Barat Ghobadian
Professor
Speciality: Mechanical Engineering
  • BS/BA: FMP
  • MS: FMP
  • PhD: Internal Combustion Engines
  • Phone:
  • Fax:
  • Email: ghobadib@modares.ac.ir
  • Address: School of Agriculture, Tarbiat Modares University
  • Resume Download
 

Papers Published in Journals:

1-      Chegini, G. R. and Ghobadian B. (2005). Effect of Spray Drying Conditions on Properties of Orange Juice Powder. Drying Technology: An International Journal. Vol.33, Issue No.3., 2005.

2-      Hassan Beygi, S. R. and Ghobadian, B. (2005). Noise Attenuation Characteristics of Different Road Surfaces During Power Tiller Transport. CIGR Journal of Scientific Research and Development. No. VII, March 2005.

3-      Roostapour, O. R., HosseinAlipour, M. and Ghobadian, B. (2006). An Experimental Investigation of lime Juice Drying in a Pilot Plant Spray Dryer. Drying Technology: An International Journal. Vol. 24, Issue No. 2, 2006.

4-      Ghobadian, B.and Khatamifar, M. (2006). Biodiesel Fuel Production Using  Transesterification of Waste Vegetable Oils. The Journal of Engine Research. Number 8-9, 2nd/3rd  year. Winter/Spring 2006. . pp. 24-35.

5-      Hassan Beygi, S. R., Ghobadian, B., Kianmehr, M.H. and Amiri Chayjan, R. (2007). Prediction of a Power Tiller Sound Pressure Level in Octave Bands Using Artificial Neural Networks. The International Journal of  Agriculture and Biology. Vol. 9, No.3, 2007.

6-      Chegini, G.R. and Ghobadian,B. (2007). Spray Dryer Parameters for Fruit Juice Drying. World Journal of  Agricultural Sciences 3 (2) : 230-236, 2007.

7-      Najafi, G., Ghobadian, B., Yusaf, T.F. and Rahimi, H. (2007). Combustion Analysis of a CI Engine Performance Using Waste Cooking Biodiesel Fuel with an Artificial Neural Network Aid. American Journal of Applied Sciences 4(10) : 756-764, 2007.

8-      Jafari, A., Khanali, M., Ghobadian, B. and Rafiee, Sh. (2007). Design and Development of a New Pump Based on Linear Induction Motor. International Journal of  Agricultural Technology. Vol. 3, Number 1, June 2007.

9-      Chegini, G.R., Khazaei, J., Ghobadian,B. and Goudarzi, A.M. (2007). Prediction of Process and Product Parameters in an Orange Juice Spray Dryer Using Artificial Neural Networks. Journal of Food Engineering, Vol. 84, Issue 4. Pages 534-543.

10-  Amiri And Chayjan, R., Montazar, G.A., Tavakoli Hashjin, T., Khoshtaghaza, M.H. and Ghobadian,B.(2007). Prediction of Pistachio Thermal Conductivity Using Artificial Neural Network Approach. International Journal of  Agriculture and Biology. Vol. 9, No. 6, 2007.

11-  Ameri, M., Ghobadian, B. and Baratian, I. (2007). Technical Comparison of a CHP Using Various Blends of Gasohol in an IC Engine. Journal of Renewable Energy, Volume 33, Issue 7, July 2008, pp 1469- 1474.

12-  Ghobadian, B., Tavakoli Hashjin, T. and Rahimi, H. (2008). Production of Bio ethanol and Sunflower Methyl Ester and Investigation of  Fuel Blend Properties. Journal of Agricultural Science and Technology. Volume 10, pp 225-232.

13-  Najafi, B., Pirouzpanah, V., Ghobadian, B., Najafi, G., and Yusaf, T. (2007). Experimental Investigation Of Performance and Emission parameters of a Small Diesel Engine using CNG and Biodiesel. SAE and JSAE Transactions. SAE Paper No. 320075 and JSAE Paper No. 20076557, 2007.

14-  Ghobadian, B., Najafi, G., Rahimi, H. and Yusaf, T. F. (2009). Future of Renewable Energies in Iran. Journal Of Renewable And Sustainable EnergyReviews. Vol.13, pp 689-695.

15-  Rahimi, H., Ghobadian, B., Yusaf, T., Najafi, G. and Khatamifar, M. (2009). Die sterol: An Environment Friendly IC Engine Fuel. Journal of Renewable Energy, Volume 34, Issue 1, pp 335- 342.

16-  Hassan Beygi, S. R., Ghobadian, B. and Amiri Chayjan, R. (2009). Prediction of  Power Tiller Noise Levels Using Back Propagation Algorithm. Journal Of JAST, Vol.11, No.2 , pp 147 – 160.

17-  Mostafaie Maynagh, B., Ghobadian, B., Jahannama, M. R. and Tavakoli Hashjin, T. (2007). Effect of Electronic Induction parameters on Droplets of Charging for Agricultural Application. Journal Of JAST, Vol.11, No.3 , pp 249 – 257.

18-  Nadi, F., Ghobadian, B. and Chegini, G. R. (2007). Design and Manufacture of an Indirect- Active Grape Solar Dryer for Tehran Region. Under Review in JAST.

19-  Baratian, I, Ghobadian, B. and Ameri, M., (2008). Economic Investigation of  ICECHP Using Gasohol- A Case Study for Iran. American Journal of Applied Sciences, 5(9): 1206- 1211, 2008.

20-  Ghobadian, B, Rahimi, H., Nikbakht, A.M., Najafi, G. and Yusaf, T.F.(2009). Diesel engine performance and exhaust emission analysis using waste cooking biodiesel fuel with an artificial neural network. Journal of Renewable Energy, Volume 34, pp 976- 982.

21-  Roostapour, O. R., Hosseinalipour, M. and Ghobadian, B., Moghadam, F. And Maftoon Azad, N.( 2009). A proposed numerical- experimental method for drying kinetics in a spray dryer. Journal of Food Engineering, pp 20- 26.

22-  Najafi, G., Ghobadian, B, Tavakoli, T., Buttsworth, D.R., Yusaf, T.F., and Feyzollahnejad, M.(2009). Performance and exhaust emissions of a gasoline engine with ethanol blended gasoline fuels using artificial neural network. Journal of Applied Energy, 86(2009) pp 630-639.

23-  Najafi, G., Yusaf, T.F, Ghobadian, B, Najmeddin, V.R. and Yusif, B.F.(2009). performance and exhaust emissions  of a SI engine fuelled with Potato Waste  Ethanol and Its Blends with Gasoline. International Energy Journal 10(2009) 215-226.

24-  Najafi, G., Ghobadian, B, Tavakoli, T., and Yusaf, T.F(2009). Potential of Bio Ethanol Production From Agricultural Wastes in Iran.  Journal of Renewable and Sustainable Energy Reviews, Vol.13, pp 1418-1427.

25-  Najafi, G.,Ghobadian, B., Tavakoli, T., Yusaf, T.F. and Buttsworth,  D. “Evaluation of ethanol as alternative fuel in spark ignition engines”. Journal of Biomass and Bio Energy (under review).

26-  Nikbakht, A.M., Tavakoli Hashjin, T., Malekfar, R., and Ghobadian, B. (2009). Nondestructive Determination of Tomato Fruit Quality Parameters Using Raman Spectroscopy. Journal of Agricultural Science and Technology(JAST), In Press.

27-Jafari, h., Idris, M.H., Ourdjini, A., Rahimi, H. and Ghobadian, B.(2009).          Effect of ethanol as gasoline additive on vehicle fuel delivery system. Journal of Materials and corrosion. 2009, 60, No. 9999.

28-  Kiani Deh Kiani, M., Ghobadian B., Tavakoli, T. Nikbakht, A. M, and Najaf. G.(2010). Application of artificial neural networks for the prediction of performance and exhaust emissions in SI engine using ethanol- gasolineblends. Journal of Energy. pp. 65-69.

29-Nowroozi Ghaleh Babakhani, A., Ghobadian, B., Salahshoor, K. and Mohtasebi, S.(2010). An innovative design of actuation mechanism for active seat suspension of an off-road vehicle. Journal of Vibro engineering. Vol. 12, Issue 1, pp. 57-66.

30-  Ghobadian, B.,and Mohammadi Mazrae, H. (1379). Design chair for balance charging non-road machines. Journal of Agricultural Science teacher. First period, the third number, Spring 1379.

31-Ghobadian, B.(2000); “Brain Drain Phenomenon or BrainRebuttal”; Journal of Science, Research & Technology. Affilited to the Ministry of Science, Research and Technology (in Persian).

32-  Sakenian Dehkordi, N., Ghobadian, B., and Minaei, S. (1380). Evaluation factors soil moisture storage. Journal Science and Agricultural and Natural Resources. Fifth year, the second number, Summer 1380.

33-  Chegini, Gh. R. , Ghobadian, B., and Barkateyn, M. (1382). Factors affecting the deposition of orange juice powder Spray dryer wall. Journal of Agricultural Sciences and Natural Resources. The seventh / Number IV / Winter 1382.

34-  Ghobadian, B., Chegini, Gh. R., and Tavakoli Hashjin, T. (1382). Design, construction and evaluation Spray dryer juices. Journal of Agricultural Sciences. In the ninth number (4), Winter 1382.

35-  Hasanbeygi Bidgoli, S. R., Ghobadian, B., Nasiri, P., and Kamalian, N(1383). Analysis and noise prediction models provide a two-wheel tractor. Journal of Agricultural Sciences and Natural Resources. In the eighth, Number IV, Winter 1383.

36-  Momeni Abkharki, D., Ghobadian, B., Hammat, A., and Minaei, S. (1383). Manufacturing semi-automatic differential lock for Copper Ferguson 382 tractor. Journal of Agricultural Sciences and Natural Resources. In the eighth, Number IV, Winter 1383.

37-  Hasanbeygi Bidgoli, S. R, Ghobadian, B., and Kamalian, N(2004) Model predicted noise level Tractor Rim Road in rural soil. Journal of Agricultural Sciences. The tenth, Number II, Summer 1383.

38-  Sheikh Davoudi, M. J., Minaei, S., Almasi, M., and Ghobadian, B. (1384). Construction and evaluation system to measure the full study earth charisma process under controlled conditions. Journal of Agriculture. Volume 28, Number (1), Summer 1384.

39-  Rostami Kondori, S., and Ghobadian, B. (1384). Design, construction and evaluation of differential lock control mechanism. Scientific Research Agricultural Sciences journal. Year XI, No. (1), Spring 1384.

40-  Roostapour, A. R., Ghobadian, B., Khoshtaghaza, M. H., and Fakhrpour, GH. (1384). Determine the thermal properties - physical sour lemon. Journal of Agricultural Sciences, No. (4), Year 36, 1384.

41-  Roostapour, A. R., and Ghobadian, B. (1384). Determine the thermal conductivity of water with lemon Astvanhhay time axis. Accepted for printing in future volumes of Journal of Agricultural Sciences.

42-  Younesi Alamouti, M., Khoshtaghaza, M. H., and Ghobadian, B. (1385). Damping properties of wheat straw at different levels and Dubai density spraying water spray cone. Journal of Agricultural Engineering Research. Volume 7, Number 27, Summer 1385.

43-  Imanmehr, A., Ghobadian, B., Minaei. S, and Fardmal, J, Vol. (1385). Determine the physical properties of grain kolza (Lykvrd varieties). Journal of Agricultural Engineering Research. Volume 7, Number 29, Winter 1385.

44-  Najafi, G., Ghobadian, B., Nikbakht, A.M.and Rahimi, H.(1385). Compression ignition engine performance analysis using a mixture of diesel fuel - biodiesel with artificial neural networks  method. Journal of the engine research. Third year, numbers 10 and 11, summer and autumn of 1385. pp. 6-15.

45-  Chegini, Gh. R., and Ghobadian, B. (1386). Mathematical model to estimate ignition delay period in a small diesel engine direct spraying. International Journal of Science and Technology. No. 3, Volume 18. Autumn 1386.

46-  Taghizadeh AliSoraei, A., Tavakkoli Hashjin, T., and Ghobadian, B. (1386). Universal tractor seat vibration review my 650. Journal of Agricultural Sciences. Volume 38, Year 1386.

47-  Taghizadeh AliSoraei, A., Tavakkoli Hashjin, T., and Ghobadian, B. (1386). Daily exposure to vibration analysis of tractor user with Rim. Journal of Agricultural Engineering Research. Volume 8, Number 4, Winter 1386.

48-  Najafi, B., Pirooz Panah, V ,. and Ghobadian, B. Experimental study of performance and emission parameters of diesel engine using alternative fuel biodiesel. Journal of Engineering lecturer. No. 28, Summer 1386, pp 79-91.

49-  Imanmehr, A., Ghobadian, B. and Khoshtaghaza, M. H. Design, construction and evaluation of canola seed pneumatic conveyors. Journal of Agricultural Engineering Research. Volume 8, Number 4, Winter 1386. pp 33-46.

50-  Agha Mostafaei Meynagh, B,. Ghobadian, B., and Jahannama, M. R. Design and Construction and Evaluation of greenhouse electrostatic sprayer drops pregnancy. Journal of Agricultural Science Faculty of Agriculture affiliated to Tabriz University. Number 1, Vol.17, Year 1387. pp 229-242.

51-  Sadeghi, A., Tavakkoli Hashjin, T, Ghobadian, B., Khoshtaghaza, M. H. and Minaei. S. Heat conductivity coefficient design mass Pvstgyry not pistachio. Journal of Agricultural Science Faculty of Agriculture affiliated to Tabriz University. Number 1, Volume 17, Year 1387. pp 215-227.

52-  Zonouzi, A., Ghobadian, B. and Tavakkoli Hashjin, T. Impact of waste oil methyl ester function (1386).Tractor engine. Journal - Research "Technical - Engineering affiliated to Tarbiat Modarres University lecturer."  Tehran. Iran.

53-  Younesi Alamouti, M., Khoshtaghaza, M. H., and Ghobadian, B. (1387). Study of parameters affecting the process of moisture absorption in wheat straw. Journals of Agricultural Sciences (Biosystem Engineering Journal), Volume 39, Number 1, Year 1387. pp. 21-31.

54-  Zonouzi, A., Ghobadian, B. And Tavakkoli Hashjin, T., Feyzollah Nejad, M.. and Bagherpour, H. Impact Combination of diesel and biodiesel fuels derived from waste oils in the engine combustion performance Density (CI). Journal - fuel and combustion research. In the first year, the first number, Persian date Shahrivar 1387, Tehran. Iran. pp. 53-59.

55-  Kiani Deh Kiani, M., Ghobadian, B., Rahimi. H., and Najafi, Gh. A review of pollutants a spark ignition engine using Gazvl. Journal - Research and combustion of fuel. First year, the first number, Persian date Shahrivar 1387, Tehran. Iran. pp 33-40.

56-  Nikbakht, A.M., Tavakkoli Hashjin, T., Malekfar, R. and  Ghobadian, B.(1387). Application of Raman  spectroscopy to study  the  non-destructive tomato qualitative parameters. Iranian Journal of Food Science and Food Processing.

57-  Zeraatkari Fard, M.H and  Ghobadian, B.(1387). Designing the land leveler Bucket Suitable for MF258 Tractor.Journals of Agricultural Sciences (Biosystem Engineering Journal), Volume 39, Number 3, Year 1387.

58-  Saiedi, M.R., Ghobadian, B., Tavakoli Hashjin,T. and Khoshbakhti Saraie, R.(1388). An experimental investigation of a diesel engine ignition delay using biodiesel and diesel fuels. Journal of Fuel and Combustion. Vol.2, Number 1. Spring and Suumer 2009, Tehran. Iran. Pp 55-68.

59-  Feyzollah Nejad, M., Ghobadian, B., Tavakkoli Hashjin, T., Bagherpour, H. and Zonouzi, A. Study effective leaching parameters biodiesel fuel. Journals of Agricultural Sciences (Journal of Biosystem Engineering Journal), Volume 40, Number 2, Year 1387.

60-  Taghizadeh AliSoraei, A., Tavakkoli Hashjin, T., andGhobadian, B. (1386). Analysis of  power tiller vibration  at stationary condition.Journals of Agricultural Sciences (Journal of Biosystem Engineering Journal), Volume …, Number …, Year 1387.

61-  Bagherpour, H.,Ghobadian, B., Tavakoli Hashjin, T., Mohammadi, Abbas , Feyzollah Nejad, M. and Zonouzi, A. Optimization of effective parameters in the production of biodiesel fuel using Astryfykasyvn Trans. Journals of Agricultural Sciences (Journal of Biosystem Engineering Journal), Volume …, Number …, Year 1387.

62-  Rahnama, M.,  Khoshtaghaza, M.HandGhobadian, B. (1388). The equilibrium and heat absorption and excretion of Estameran Dates. Iranian Journal of Food Science and Food Processing(in print).

63-  Saiedi, M.R., Ghobadian, B., Tavakoli Hashjin,T. and Najafi, G.(1388). Experimental investigation of the performance parapeters of a diesel engine using biodiesel fuel. Journal of the engine research. …….. year, numbers … and …, summer and autumn of 1388. pp. …….

 

 

2 - Papers published in Cinferences:

1-      Ghobadian, B. and SinghP.(1988). Design  and Development of a Low Horse Power Land Leveler. Proceeding of National Seminar on Problems in Irrigation Managemant of Command Areas. 20 Feb.   18-20, 1988. Udaipur,  India.

2-      Dubey, O.P., Ghobadian, B. ,Bhathacharya M., and Mehta, P.S(1991).An Experimental Investigation of Engine Noise and Exhaust Smoke on a Small DI Diesel. SAE Paper No. 911255, 1991.

3-     Ghobadian, B.,Singh, N., Bhattacharya, M., Mehta, P.S., and Jain, S.C. (1992). An Efficient Instrumentation Schemefor Noise and Vibration Study in an I.C. Engine. All India. Applied Instrumentation Conference . Feb.14-15, 1992. Roorkee, India,

4-     Ghobadian, B., Bhattacharya, M., Singh, N., and Jain, S.C. (1992). Structural Attenuation Characteristicsof a Small Single Cylinder DI Diesel Engine. Proceeding of the 7th NationalConference on IC Engines and Combustion.  Sep.15-18,  1992. .  Dehra Dun, India.

5-     Bhattacharya, M., Ghobadian, B., Jain, S.C., Singh, N. and Mehta, P.S.  (1992) An Estimation of Combustion and Mechanical Noise Components of A small DI Diesel. Proceeding of the National Symposiumon Acoustics  (NSA 92), Dec. 13-14 , 1992. Madras,   India.

6-     Ghobadian, B., Jain, S.C., Bhattacharya, M., Singh, N. and Mehta, P.S. (1993). A Comprehensive Solution Approach to Engine Noise Investigation. SETC Conference.  SAEPaper  No. 931571, 1993. Pisa, Italy.

7-     Ghobadian, B.(1994). The Parametric Dependence of Diesel Engine Noise. The 3rd International Congress on Air- and Structure Borne SoundandVibration. June 13-15, 1994. Montreal, Canada.

8-     Ghobadian, B., Bhattacharya, M., Jain, S.C. and Mehta, P.S. (1995). A Parametric Study of Engine Noise and ItsCombustion Components. SETC Conference. SAE Paper No. 951759, 1995. Milwaukee, US.,

9-     Jain, S.C., Bhattacharya, M., Joshi, N.K., Singh, N. and Ghobadian, B. (1995). Estimation  of Structure Borne Sound Transmission in a small DI Diesel Using Motored and Running Engine Techniques. SETC Conference. SAE Paper
   No. 951756, 1995. Milwaukee, USA.

10-Ghobadian, B., Bhattacharya, M., Jain, S.C. and Mehta P.S. (1995).  Dependence of Engine Noise on CylinderPressure and Its Derivatives: An Experimental Study. Proceeding of the 9th ISME Conference. November, 10-11 , 1995. Roorkee, India.

11-Ghobadian, B., and Araghi M.K.(19986). Subsoiling Practice for WaterHarness and Soil Conservation Management. Proceeding of the5th International Conference on Rainwater Catchment Systems.  April 25-29,  1996.  Tehran, Iran.

12-Ghobadian, B., Bhattacharya, M., Jain, S.C. and Mehta P.S. (1997). Correlation Based  Methods to Predict Engine Combustion Noise. International Conference on Advances in Mechanical andIndustrial Engineering. February, 6-8, 1997. Roorkee, India.

13-Ghobadian, B., and Sakenian N. (2001). A New Approach to Pasture landsSoil Conservation and Run-Off Management. The 2nd International. Iran andRussiaConference.  February, 1-2, 2001. Moscow,   Russia.

14-Ghobadian, B. (2002) Iran,s Policy on Renewable Energy Development. A two day Conference on Iran Energy Forum, Upstream and Downstream, May 27 – 28,  2002. London, England.

15-Ghobadian, B. , and Jafari A. , Field Crop Pest and Insect Control-Using Motorcycle  Sprayer. The 3rd International Iran and Russia Conference, Moscow, Russia, Sep.18-20th , 2002.

16-Ghobadian, B. and Rahimi, H.(2004). Biofuels-Past, Present and Future Perspective. The 4th International Iran and Russia Conference. September 8-10, 2004. Shahrkord,  Iran.

17-Ghobadian, B., and Emami, M.R. (2004). Design of Forest Trees Cutting Mechanism.The 4th International Iran and Russia Conference. September 8-10, 2004. Shahrkord, Iran.

18-Chegini, G.R. andGhobadian, B. (2004). Estimating the Regression Based Mathematical Models of Orange Juice Powder Physical Properties with Operating Variable of Spray Dryer. Proceedings of International Workshop and Symposium on Industrial Drying.December 20–33, 2004. Mombai, India.

19-Imanmehr, A., and Ghobadian, B. (2004). Range Dissemination Using Motorcycle Seeder. The 4th International Iran and Russia Conference. September 8-10, 2004. Shahrkord, Iran.

20-Chegini, G. R. and Ghobadian, B. (2005). Study of Physical Properties and Particle Morphology of Orange Juice Powder. ICA, the 9th International Conference on Agrophysics, Environment and Food Safety. Aug. 28-31,2005. Lublin, Poland.

21-Chegini, G. R. and Ghobadian, B. (2005). Determination of Basic Design Parameters of Fruit Juice Spray Dryer. Proceeding of XI Polish Drying Symposium. 13-16 Sep. 2005. Poznan, Poland.

22-Chegini, G. R., Khazaei, J. and Ghobadian, B. (2005). Prediction of Apparatus, process and Product parameters in an Orange Juice Spray Drayer. Proceeding of XI Polish Drying Symposium. 16 Sep. 13- 2005. Poznan, Poland.

23-Chegini, G. R., Khazaei, J., Ghobadian, B. and Tavakoli Hashjin, T.(2005). Prediction of Orange Properties and Spray Dryer Performance Indices Using Neural Networks. . Proceeding of XI Polish Drying Symposium. 13-16 Sep. 2005. Poznan, Poland.

24-Nadi, F. and Ghobadian, B. (2005). Mixed – Mode Solar Dryer for Grape. Proceeding of the 9th International Conference on Mechanization and Agriculture Engineering and 27th International Conference on, CIGR Section IV. Sep. 27-29, 2005. Izmir, Turkey.

25-Mostafaie Maynagh, B.,Ghobadian, B., Hassanpour, D., Chitsaz, M., and Narmani, S. A. (2005). Reduction of Pesticide consumption Using Charged Droplets. The 3rd Iranian Seminar of Biochemistry and Environment. Sep. 29 and 30, 2005. Kurdistan University. Sanandaj, Iran.

26-Hassan Beygi, S. R., Ghobadian, B., Amirichayjan, R. and Kianmehr, M. H. (2005). Intelligent Prediction of a Power Tiller Noise Levels Using Artificial Neural Networks. Interantional Congress on Information Technology in Agriculture, Food and Environment. October 12-14, 2005. Adana, Turkey.

27-Ghobadian, B.,  Hassan Beygi, S. R. and Kamalian, N. (2005). Acquisition and Processing Sound Pressure Signals of a Power Tiller. Interantional Congress on Information Technology in Agriculture, Food and Environment.  October 12-14, 2005. Adana, Turkey.

28-Hassan Beygi, S. R. and Ghobadian, B. (2005). Estimating of Power Tiller Sound Pressure Levels in 1/3rd Octave and Octave Bands. Interantional Congress on Information Technology in Agriculture, Food and Environment.  October 12-14, 2005. Adana, Turkey.

29-Ghobadian, B.(2005). Solar Dryer Design Criteria for Agricultural  products. Interantional Congress on Information Technology in Agriculture, Food and Environment.  October 12-14, 2005. Adana, Turkey.

30-Ghobadian, B. andKhatamifar, M. (2005). Biodiesel Fuel Production using Transesterification of Waste Vegetable Oils. Proceedings of the 4th International Conference on Internal Combustion Engines. Nov. 16-18, Tehran. Iran.

31-Ghobadian, B., Rahimi, H. andKhatamifar, M. (2005). Evaluation of Engine Performance Using Net Diesel Fuel and Biofuel Blends. The 1st combustion conference of Iran (CCI1). Feb. 15-16, 2006. Tarbiat Modares University, Tehran, Iran.

32-Hassan Beygi, S. R., Ghobadian, B., Amiri Chayjan and Kianmehr, M. S. (2006). Intelligent Prediction of a Power Tiller Sound Pressure Level in 1/3 Octave Using Artificial Neural Networks. XVI CIGR World Congress: Agricultural Engineering for Better World. Sep. 4-7, 2006. Bonn, Germany.

33-Mostafaei Maynagh, B., Ghobadian, B., Jahannama, M. R. and Chitsaz, M. (2006). Improvement of Pesticide Applications Efficiency and Deposition Using Charged Droplets. The 4th National Congress on Agricultural Machinery Engineering and Mechanization. University of Tabriz .August 29-30, 2006. Tabriz, Iran.

34-Hassan Beygi, S. R., Ghobadian, B., Amiri Chayjan, R. and Kianmehr,   M. H. (2006). Prediction of a Power Tiller Sound Pressure Levels in Octave Frequency Bands Using Artificial Neural Networks. International Conference on: Information Systems in Sustainable Agriculture, Agroenvironment and Food Technology (HAICTA2006). 20-23 September 2006. Xenia Hotel, Volos, Greece.

35-Hassan Beygi, S. R.,and Ghobadian, B. (2006). Application of Artificial Neural Networks for Prediction of a power Tiller Sound Pressure Levels in Octave Frequency Bands. The 1st Mechanical Engineering Congress. Dec. 13, 2006. Islamic Azad University, Majlesi Branch. Isfahan, Iran.

36-Jafari, A., Ghobadian, B., Khanali, M., and Rafiee, Sh. (2006). Design and Development  of a New Pump Based on Linear Induction Motor. International Conference on Innovations in Food and Bioprocess Technology. Dec. 12-14, 2006. Bangkok, Thailand.

37-Jafari, A., Ghobadian, B., Khanali, M., and Rafiee, Sh. (2006). Design and Development  of an Instrumentation for Magnetic Permeability Measurement of Agricultural Materials and Products. International Conference on Innovations in Food and Bioprocess Technology. Dec. 12-14, 2006. Bangkok, Thailand.

38-Ghobadian, B., Najafi, G., and Rahimi, H. (2007). Future of Renewable Energies in Iran. The 6th Iran National Energy Congress. June 12-13, 2007. Tehran, Iran.

39-Ghobadian, B., Najafi, G., Rahimi, H. and Khatamifar, M.( (2007). Comprehensive Evaluation of Engine Performance with Diesel and Biodiesel Fuel Blends. The 3rd International Bioenergy Conference and Exhibition. Sep. 3-6, 2007. Finland.

40-Ghobadian, B., Ameri, M. and Baratian, I. (2007). Economic Investigation of ICCHP Using Gasohol- A Case Study for Iran. . The 3rd International Bioenergy Conference and Exhibition. Sep. 3-6, 2007. Finland.

41-Yusaf, T., Najafi, G., Ghobadian, B., Najafi, B. and Pirouzpanah, V. (2007). Experimental Investigation of  Performance and Emission Parameters of Small Diesel Engine Using CNG and Biodiesel. The 13th Small Engine Technology Conference (SETC). October 30- November 1, 2007. Toki Messe, Niigata Convention Center, Niigata, Japan.

42-Ghobadian, B., Rahimi, H. and Khatamifar, M. 2007). Experimental Evaluation of Engine Performance Using Typical Diesterol. The International Congress on Biodiesel: The Science and the Technology. November, 5-8 , 2007. Vienna, Austria.

43-Ghobadian, B., Khatamifar, M. and Rahimi, H. 2007). Design, Fabrication and Evaluation of a Patent Biodiesel Processor. The International Congress on Biodiesel: The Science and the Technology. November, 5-8 , 2007. Vienna, Austria.

44-Zenouzi, A. and Ghobadian, B. (2007). Design and Fabrication of a Multifunction Biodiesel Processor. The International Congress on Biodiesel: The Science and the Technology. November, 5-8 , 2007. Vienna, Austria.

45-Mohammadi, A., Omidkhah, M. R. and Ghobadian, B. (2007). Optimization of Biodiesel Production from High Free Fatty Acid Feedstocks (Part I: Continuous Process). The International Congress on Biodiesel: The Science and the Technology. November, 5-8, 2007, Vienna, Austria.

46-Mohammadi, A., Omidkhah, M. R. and Ghobadian, B. (2007). Optimization of Biodiesel Production from High Free Fatty Acid Feedstocks (Part II: Batch/ Semi-continuous Process). The International Congress on Biodiesel: The Science and the Technology. November, 5-8, 2007, Vienna, Austria.

47-Ghobadian, B., Najafi, G., Rahimi, H. and Nikbakht, A. M. (2007). Analysis of CI Engine Performance Using Biodiesel-Diesel Blend with Artificial Neural Network. The 5th Conference on Internal Combustion Engines. November 20- 22, 2007. Tehran, Iran.

48-Zenouzi, A. and Ghobadian, B. (2007). Design and Development of a Biodiesel Processor for Providing FFV,s Refrence fuel. The 5th Conference on Internal Combustion Engines. November 20- 22, 2007. Tehran, Iran.

49-Ghobadian, B., Rahimi, H., Khatamifar, M. and Najafi, G. (2007). Diesterol: An Environment – Friendly IC Engine Fuel. The 5th Conference on Internal Combustion Engines. November 20- 22, 2007. Tehran, Iran.

50-Ghobadian, B., Karbalai reza, H., Najafi, G., Manteghi, A. and Nikbakht, A. M. (2007). Design and Installation of a Diesel Engine on Nissan Z24. The 5th Conference on Internal Combustion Engines. November 20- 22, 2007. Tehran, Iran.

51-Nikbakht, A.M., Minaei, S. and Ghobadian, B. (2007). Study of Soil Mechanical Parameters using Horizontal Sensor. International Agricultural Engineering Conference (IAEC2007), 3 – 6 December, Bangkok, Thailand.

52-Taghizadeh, A., Tavakoli Hashjin, T., Ghobadian, B. and Nikbakht, A.M. (2007). Evaluation of Vibration in Power Tiller on the Asphalt Surface. International Agricultural Engineering Conference (IAEC2007), 3 – 6 December, Bangkok, Thailand.

53-Kiani, Dehkiani, M., Ghobadian, B., Tavakoli Hashjin, T., Rahimi, H. and Najafi, G. (2008). The Effect of Ethanol – Gasoline Blends on Thermal Balance of an SI Engine. The Second Combustion Conference of Iran. Islamic Azad University, Mashhad. 12-13 February, 2008. Mashhad, Iran. 

54-Najafi, G., Ghobadian, B., Rahimi,H, Nikbakht, A.M.and Kiani Dehkiani, M. (2008). Simulation of Laminar Burning Velocities for Alternative Fuels in SI Engines. The Second Combustion Conference of Iran. Islamic Azad University, Mashhad. 12-13 February, 2008. Mashhad, Iran.

55-Ghobadian, B., Najafi, G., Rahimi,H, Nikbakht, A.M. and Kiani Dehkiani, M. (2008). Experimental and Theoretical Investigation of Combustion Process and Its Phases in a Diesel E nginE. The Second Combustion Conference of Iran. Islamic Azad University, Mashhad. 12-13 February, 2008. Mashhad, Iran.

56-Najafi, G., Ghobadian,B. Tavakoli, T. Yusaf, T.F. and Buttsworth, D. (2008). Performance and exhaust emission of an SI engine fuelled with potato waste ethanol and its blends with gasoline.  International Conference on Environment 2008 Malaysian conference, December 2008, Penang, Malaysia.

57-Najafi, G., Ghobadian, B., Mior M.S. Buttsworth, D. and Yusaf, T.F. (2008). Theoretical and experimental investigation of SI engine performance and exhaust emissions using ethanol-gasoline blended fuels. International Conference on Sustainable Energy Technologies (IEEE), 24-27 November 2008,Singapore.

58-Ghobadian, B. Liquid biofuels potential and outlook in Iran. The 13th Oil and Gas Conference on Energy Management, Policies and Experiences. 30 Nov-1 Dec 2008. Olympic Hotel, Tehran, Iran.

59-Zenouzi, A., Safiadin., M.,Ghobadian, B and Tavakoli Hashjin, T.(2009). Optimization of biodiesel and diesel blend ratio for MF-399 tractor engine using genetic algorithms. The 2nd International congress on biodiesel: the science and the technologies. 15- 17 november 2009,Munch, Germany.

60-Zenouzi,A. Mohammadi, B. Ghobadian, and S.Minaee.(2009). Flexible Batch Pilot Plant for Glycerol Purification in the Biodiesel Production Process.,.The 2nd International congress on biodiesel: the science and the technologies. 15- 17 november 2009,Munch, Germany.

61-Ghobadian, B.(2009). A Comprehensive Review of the Biodiesel Production and Purification Technologies in Iran. The 2nd International congress on biodiesel: the science and the technologies. 15- 17 november 2009,Munch, Germany.

62-Ghobadian, B, Nayebi, M. and Najafi, G.(2008). A Semi- Emperical model to predict diesel engine combustion parameters. The 6th International Conference on Internal Combustion Engines. November 17-19, 2009. . Olympic Hotel, Tehran, Iran.

63-Nikbakht, A.M., Malekfar, R., Tavakoli Hashjin, T and Ghobadian, B.( 2009). Nondestructive quantitative analysis of tomato fruit using Raman spectroscopy and chemometrics. 2nd Iranian seminar of Chemometrics, 28-30th of October 2009, UrmiaUniversity, Urmia, Iran.

64-Saiedi Neicharan, M., Ghobadian, B. and Tavakoli Hashjin, T.(2009). Effects of biodiesel – diesel blended fuels on diesel engine ignition delay. The 6th International Conference on Internal Combustion Engines. November 17-19, 2009. . Olympic Hotel, Tehran, Iran.

65-Jafari, h., Idris, M.H., Ourdjini, A., Rahimi, H. and Ghobadian, B.(2010). Corrosion Study of Metallic Materials of an Automotive Fuel Injection System in Ethanol Blended Gasoline.24th Symposium of Malaysian Chemical Engineers / 1st International Conference on Process Engineering and Advanced Materials- 1st International Conference on Process Engineering and Advanced Materials. 15-17th June 2010. Kuala Lumpur Convention Center. Malaysia.

66-Ghobadian, B. Estimating the real  amount of sound  attenuation in a DI diesel engine structure. Proceedings of the 1st first annual Industrial-Scientific conference of Mechanical Engineering Associatin. Engineering Faculty of Tehran University. February 2-9, 1371. Tehran. Iran.

67-Ghobadian, B. Design of a fixed dome Biogas Plant. The first biogas seminar in Iran. Persian date 3 Aban month, 1375. Tehran. Iran.

68-Ghobadian, B., and Soleimani, M. J. The three way relationship between  people, industry and university in a dynamic R & D system. A seminar on industrial research and development. 6 and 7  December, 1375. Mashhad, Iran.

69-Sakenian Dehkordi, N., and Ghobadian, B. Factors affecting soil moisture storage using the mulch strip subsoiler under the soil. The first National Conference on dehydration and drought. 9 and 10 March, 1379. Kerman, Iran.

70-Kalantari, D., Ghobadian, B., and Tavakoli Hshjin, T. Design, construction and evaluation of  fixed cone cylindrical valve. Tenth Annual Conference (International) Mechanical engineering. June 3-6, 1381. Tehran. Iran.

71-Chegini, Gh. R., and Ghobadian, B. Design and manufacture of fruit juice Spray dryer . Proceedings of the 12th annual conference (International) Mechanical Engineering. May 29 to 31 months, 1383. Tehran, Iran.

72-Imanmehr, A., and Ghobadian, B. Design, construction and testing of motorcycle sprayer. . Proceedings of the 12th annual conference (International) Mechanical Engineering. May 29 to 31 months, 1383. Tehran. Iran.

73-Ghobadian, B., and Saeedi, M. Design and construction of garden sprayer . The 3rd National Congress on Agricultural Machinery and Mechanization Engineering. University of Kerman. 10 to 12 September, 1383. Kerman, Iran.

74-Hasanbeigi Bidgoli, S. R., and Ghobadian, B. To determine the minimum and maximum envelope  covering 1 / 3 Octave noise pressure of a power tiller in  transportation mode. The 3rd National Congress on Agricultural Machinery and Mechanization Engineering. University of Kerman. 10 to 12 Aug., 1383. Kerman, Iran.

75-Roostapour, A. R., Ghobadian, B., and HosseinAlipour, S. M. Construction of  coaxial cylinders for measuring thermal conductivity of lemon juice. The 3rd National Congress on Agricultural Machinery and Mechanization Engineering. University of Kerman .10 to 12 September, 1383. Kerman, Iran.

76-Imanmehr, A., and Ghobadian, B. Perception  and application of  boom type motorcycle sprayer. The 3rd  National Congress on Agricultural Machinery and Mechanization Engineering. University of Kerman. 10 to 12 September, 1383. Kerman, Iran.

77-Sheikh Davoudi, M. J., Minaei, S., Almasi, M., and Ghobadian, B. Construction and evaluation of a system to measure the full earth traction process under controlled conditions. The 3rd  National Congress on Agricultural Machinery and Mechanization Engineering. University of Kerman. 10 to 12 September, 1383. Kerman, Iran.

78-HasanBeigi Bidgoli, S. R., Amiri Chayjan, R., and Ghobadian, B. To predict the overall noise level of  a power tiller in transportation  mode using back propagation algorithm. The 13th International Conference of Mechanical Engineering. May 29-27, 1384. Isfahan, Iran.

79-Nadi, F., and Ghobadian, B. The role  of  solar dryer in reducing waste raisins. Proceedings of the  2nd National Conference agricultural agricultural products losses. Persian date 24 Aban, 1384. TarbiatModares University, Tehran, Iran.

80-Younesi Alamooti, M., Khoshtaghaza, M. H., and Ghobadian, B. Determination of moisture storage properties of wheat straw. Proceedings of the  2nd National Conference agricultural agricultural products losses. Persian date 24 Aban, 1384. Tarbiat Modares University, Tehran, Iran.

81-Ghobadian, B., and Khatamifar, M. Producing biodiesel from waste edible oils. Proceedings of the  2nd National Conference 0n Agricultural Products Losses. Persian date 24 Aban, 1384. Tarbiat Modares University, Tehran, Iran.

82-Hassan Beigi Bidgoli, S. R., and Ghobadian, B. Power tiller  noise,  a threat to the  operators health. The 2nd National Conference on  sound, health and development. University of Kashan. 24 to 26 November, 2005. Kashan, Iran.

83-Ghobadian, B. Diesel passenger cars in Iran and the world (past, present and future). Proceedings of the 4th International Conference on Internal Combustion Engines. International Olympic Hotel. 25 to 27 November, 2005. Tehran, Iran.

84-Najafi, B., Piroozpanah, V., and Ghobadian, B. Effects of biodiesel to reduce diesel engine pollution. The 1st Combustion Conference of Iran. Tarbiat Modarres University. 26 and 27 February, 2005. Tehran, Iran.

85-Imanmehr, A, Ghobadian, B., and Ismaeili, A. Comparing  the physical properties of different grain varieties for canola. The 4th National Congress of Agricultural Machinery Engineering and mechanization. Universityof Tabriz. 7 and 8 Shahrivar Persian date, 1385. Tabriz, Iran.

86-Momeni, D., Ghobadian, B., Hemmat, A., and Minaei., S. Optimization MF-285 tractor differential lock. The 4th National Congress of Agricultural Machinery Engineering and Mechanization. University of Tabriz. 7 and 8 Shahrivar Persian date, 1385. Tabriz, Iran.

87-Momeni, D., Ghobadian, B., Hemmat, A., and Minaei., S. Effects of differential lock on wheel slip of MF-285 tractor. The 4th National Congress of Agricultural Machinery Engineering and Mechanization. University of Tabriz. 7 and 8 Shahrivar Persian date, 1385. Tabriz, Iran.

88-Mohammad Nikbakht, A., Minaei, S. Ghobadian, B., and Zaki Dizaji, H. To study  the effective parameters  on soil mechanical resistance using horizontal sensor in soil bin. The 4th National Congress of Agricultural Machinery Engineering and Mechanization. University of Tabriz. 7 and 8 Shahrivar Persian date, 1385. Tabriz, Iran.

89-Hassan Beigi Bidgoli. S. R., Amiri Chayjan, R., and Ghobadian, B. Using the propagation error algorithm to estimate the 1/3 Octave Sound pressure of power tiller in transport mode. The 4th Annual Conference (International) Mechanical Engineering. Isfahan University of Technology. Persian date 28 to 26 Ordibehesht months, 1385. Isfahan, Iran.

90-Mohammadi, A., Omidkhah, M. R., and Ghobadian, B. Conceptual design process for continuous production of biodiesel with high percentage of free fatty acids feedstock. The 11th National Congress of Chemical Engineering. Tarbiat Modarres University. 7 - 9 November, 1385. Tehran, Iran.

91-Taghizadeh., Alisaraei, A., Tavakkoli Hashjin, T., and Ghobadian, B. The  daily exposure of operator to power tiller vibration. The 1st Regional Conference of Mechanical Engineering, Isfahan. Azad University, Unit of Isfahan  Majlesi City. November 22, 1385. Isfahan, Iran.

92-Najafi, G., Ghobadian, B., and Rahimi, H. Comparing the diesel engine pollutins using waste oil biodiesel and diesel fuel. The 3rd Student Conference on Agricultural Machinery Engineering and Mechanization. 29 30 April, 1386. Shiraz, Iran.

93-Mohammad Nikbakht, A., Ghobadian, B., and Khatamifar, M. A comprehensive review of biodiesel fuel in Iran. The 3rd Student Conference on Agricultural Machinery Engineering and Mechanization. 29 30 April, 1386. Shiraz, Iran.

94-Ghobadian, B. and Kiani Deh Kiani, M. Biodiesel production from  fuel canola to  create employment and increase farmers income for Izeh city farmers. Proceedings of  a  Conference o Izeh city sustainable development strategies. Izeh,  April 1, 1387, p. 103-97.

95-Imanmehr, A., and Ghobadian, B. Design, construction and evaluation of fine materials dilute phase pneumatic conveyors. Proceedings of the 15th annual conference (International) Mechanical Engineering. Amir Kabir University. May 22-27, 1386. Tehran, Iran.

96-Ghobadian, B., Mohammad Nikbakht, Salehian, A., and Khatamifar, M. Capacities to  use  biodiesel as a clean fuel for sustainable development environment. Persian date 21 Khordad months 1386. Tehran University. Tehran, Iran.

97-Zenouzi, A., and Ghobadian, B. Comparing the produced biodiesel as renewable energy from four edible oils. The 6th National Congress of energy. 22 and 23 June, 1386. Tehran, Iran.

98-Mohammadi, A., Omidkhah, M. R., and Ghobadian, B. Design and optimization of biodiesel production process of food waste industry . The 6th National Congress of energy. 22 and 23 June, 1386. Tehran, Iran.

99-Imanmehr, A., Ghobadian, B., Minaei, S. and Khoshtaghaza, M. Investigating the ffect of canola varities on  physical and geometric properties of canola seed. The 1st Symposium of canola and canola oil. Islamic Azad University . ShahreKord unit . 1 Aban, 1386. ShahreKord, Iran.

100-  Najafi, B., Piroozpanah, V. and Ghobadian, B. Experimental investigation of performance and emission parameters of a dual fuel diesel engine using alternative CNG and biodiesel fuels. The 5th Internal Combustion engines Conference  . Persian date 29 Aban to Persian date 1 Azar, 1386. Tehran, Iran.

101-  Najafi, G., Ghobadian, B. and Rahimi, H. Potential of bioethanol production from agricultural wastes in Iran. The 3rd National Conference on agricultural products losses. Persian date 30 Aban, 1386, Tehran, Iran.

102-  Imanmehr, A., and Ghobadian, B. Effect of impact force on the germination of some legume cultivars. The 3rd National Conference on agricultural products losses. Persian date 30 Aban, 1386, Tehran, Iran.

103-  Ghobadian, B. and Bagherpour, H. Comparison of alkaline and acidic methods and Glysryn extraction from waste oil in biodiesel fuel production process. The 3rd National Conference on agricultural products losses. Persian date 30 Aban, 1386, Tehran, Iran.

104-  Ghobadian, B. and Feyzollah Nejad, M. Evaluation of  biodiesel production washing methods  from waste vegetable oil. The 3rd National Conference on agricultural products losses. Persian date 30 Aban, 1386, Tehran, Iran.

105-  Zenouzi, A., Ghobadian, B., Tavakkoli Hashjin, T., Feyzollah Nejad, M. and Bagherpour, H. Combustion of Biodiesel from waste oil in a 6 cylinder Perkins engine. The 2nd Conference of Combustion. Islamic Azad University of Mashhad. 23 and 24 February 1386. Mashhad, Iran.

106-  Ghobadian, B.,Kiani Deh Kiani, M.., Rostami, S. and Kianian, H.(1387). Creating  employment and increasing income by using straw and stubble grain processing. A Conference on Izeh city Agricultural Aevelopment Atrategies. Persian date 26 Ordibehesht month 1387. Izeh, Iran.

107-  Ghobadian, B.,Kiani Deh Kiani, M. and Jamshidi, A.(1387). Energy balance assessment of wheat cultivation for Izeh city. Proceedings of A Conference on Izeh city Agricultural Development Strategies. Persian date 26 Ordibehesht month 1387. Izeh, Iran.

108-  Kiani Deh Kiani, Ghobadian, B., Rahimi, H. and Najafi; G.(1387). Investigating the Pollutions in a spark ignition engine using Gasohol. National Conference of Fuel, Energy and the Environment. 9-7 June 1387, Materials and Energy Research Institute, Karaj, Iran.

109-  Hazbavi, A., Minaei, S., Ghobadian, B., Khoshtaghaza, M. and Kazemi, Sh. The moisture effect on some physical properties  of  okra seed. The 5th National Congress of Agricultural Engineering and Mechanization. 6 and 7 Aug. 1387. Mashhad, Iran.

110-  Minaei, S., Hazbavi, A., Ghobadian, B. and Kazemi, Sh. Standard box design to reduce waste fig fruits during transportation and storage. The 5th National Congress of Agricultural Engineering and Mechanization.  6 and 7 Aug. 1387. Mashhad, Iran.

111-  Minaei, S., Hazbavi, A., Ghobadian, B. and Kazemi, Sh. Studies under the persimmon fruit queries. The 5th National Congress of Agricultural Engineering and Mechanization. 6 and 7 Aug. 1387. Mashhad, Iran.

112-  Hazbavi, A., Minaei, S., Ghobadian, B., Khoshtaghaza, M. and Mostaan, A. Some physical properties ¬ 6 digit core Iranian Dates. The 5th National Congress of Agricultural Engineering and Mechanization.  6 and 7 Aug. 1387. Mashhad, Iran.

113-  Imanmehr, A. and Ghobadian, B. Design, construction and evaluation of pneumatic grain conveyors kolza dilute phase. The 5th National Congress of Agricultural Engineering and Mechanization.  6 and 7 Aug. 1387. Mashhad, Iran.

114-  Abbaszadeh, A. and Ghobadian, B. The effect of working parameters of a diesel engine exhaust smoke opacity levels. The 5th National Congress of Agricultural Engineering and Mechanization.  6 and 7 Aug. 1387. Mashhad, Iran.

115-  Karimi, S. and Ghobadian, B. Analysis of diesel fuel sample agricultural water pumping. The 5th National Congress of Agricultural Engineering and Mechanization. 6 and 7 Aug. 1387. Mashhad, Iran.

116-  Mohammad Nikhbakht, A., Tavakkoli Hashjin, T., Malekfar, R. and Ghobadian, B. Using scattering spectroscopy for nondestructive review tomato fruit quality parameters. The 5th National Congress of Agricultural Engineering and Mechanization. 6 and 7 Aug. 1387. Mashhad, Iran.

117-  Bagherpour, B.,Ghobadian, B., Tavakkoli, T., Mohammadi, A., Feyzollah Nejad, M. and Zenouzi, A. Biodiesel fuel from waste oil using Astryfykasyvn Trans The 5th National Congress of Agricultural Engineering and Mechanization.  6 and 7 Aug. 1387. Mashhad, Iran.

118-  Hazbavi, A., Minaei, S., Ghobadian, B., Khoshtaghaza, M. H. and Kazemi, Sh. The moisture effect on some physical properties of cotton seed. The 18th Congress of Food Science. 25-24 October 1387. Mashhad, Iran.

119-  Hazbavi, A., Minaei, S.and  Ghobadian, B. Determination  and investigation of some chemical characteristics of waste  okra seeds to introduce as a nutrient for poultry. The 3rd  National Congress on Animal Sciences - October 1387, Ferdowsi University, Mashhad, Iran.

120-  Hazbavi, A., Minaei, S., Ghobadian, B., and Kazemi, Sh. Introduced okra seed as a supplementfor Poultry feed. The 1st National Coference on Livestock Industry in Golestan Province.  3 - 5 Dey months of  Persian date  1387, Gorgan, Iran.

121-  Hazbavi, A., Minaei, S., Ghobadian, B., and Kazemi, Sh. Some physical properties of seed cotton  under moisture effect.The regional conference on perosperity and innovation in medecine plants. 22 Dey months of  Persian date  1387.Azad University, Shabestar Branch, Shabestar, Iran.

122-  Hazbavi, A., Minaei, S.and Ghobadian, B. Investigating some chemical properties of palm kernel. The 4th Ntional Symposium on Losses of Agricultural Products. 22 Aban  months of  Persian date  1388. Tarbiat Modares University. Tehran, Iran.

123-  Hazbavi, A., Minaei, S.and Ghobadian, B. Investigating the mechanical properties of   palm kernel to produce recycled powder. The 4th Ntional Symposium on Losses of Agricultural Products. 22 Aban  months of  Persian date  1388. Tarbiat Modares University. Tehran, Iran.

124-  - Nikbakht, A.M., Malekfar, R., Tavakoli Hashjin, T., and Ghobadian, B. Raman sepectroscopy technicque  to study the nondestructive fruit quality parameters. The 5th Optics and Photonics Association Conference. 8-10 Bahman  months of  Persian date  1387.Isfahan, Iran.

125-  Rahname,M., Khoshtaghaza, M.H., Ghobadian,B. and Avalin Chaharsooghy, K. Investigating the heat treatment of  Mostameran  Date to reduce the warehouse pest colonies. The 4th Ntional Symposium on Losses of Agricultural Products. 22 Aban  months of  Persian date  1388. Tarbiat Modares University. Tehran, Iran.

126-  Ghobadian, B., Rahimi, H.,  Jafari, H., Shakeri, O. and Jalali, A.(1388). Impact of increased ethanol to gasolineon corrosion behavior of automotive fuel system components. The 6th International Conference on Internal Combustion Engines. Nov. 17-19 2009, International Olympic Hotel, Tehran, Iran.

127-  Mirzaei, R., Ghobadian, B., Khoshtaghaza, M.H.  A model to predict the Dieselengine combustion noise. The 6th International Conference on Internal Combustion Engines. Nov. 17-19 2009, International Olympic Hotel, Tehran, Iran.

128-  Ghobadian, B., Rahimi, H.,  Shakeri, O. and Jalali, A. (1388).  To study the approach of  worl automotive manufacturers in Providing  compatible products with renewable bioethanol fuel. The 7th National Energy Congress. 22-23 Dec. 2009, Tehran, Iran.

129-   Ghobadian, B., Rahimi, H.,  Shakeri, O. and Jalali, A. (1388). Investigating the impact of the bioethanol fuel on some  important characteristics of gasoline fuel. The 7th National Energy Congress. 22-23 Dec. 2009, Tehran, Iran.

130-  Saiedi, M.R., Ghobadian, B., Tavakoli Hashjin,T. and Najafi, G.  Experimental investigation of performance parameters in a diesel engine using biodiesel fuel. The 3rd Combustion Conference of Iran. Amir Kabir University,  2 and 3 February 2010. Tehran, Iran.

131-  Najafi, G, Ghobadian, B., Tavakoli Hashjin,T. andRahimi, H.  Investigating the  combustion and performance parameters and pollution and simulating the SI engines performance cycle with fuel ethanol and gasoline mixtue. The 3rd Combustion Conference of Iran. Amir Kabir University,  2 and 3 February 2010. Tehran, Iran.

132-  Saffiedin Ardebili, M., Ghobadian, B., and Tavakoli Hashjin, T. Determination of the  Castor oil apparent elastic coefficient to be used for optimum  processing. The 3rd Combustion Conference of Iran. The 1st scientific conference on the developmentt of  the medicne plants. March 1388.Tehran, Iran.

133-  Saffiedin Ardebili, M., Ghobadian, B., Azadbakht, M. and Nasiri, A. Energy balance of canola in Golestan provine for biodiesel fuel production. The 3rd Combustion Conference of Iran. Amir Kabir University,  2 and 3 February 2010. Tehran, Iran.

134-  Karimi, S. and Ghobadian, B. The effect of chloride salt on the operations of the bioethanol fuel distillation. The 3rd Combustion Conference of Iran. Amir Kabir University,  2 and 3 February 2010. Tehran, Iran.