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| 1 | Efficient desulfurization of gasoline fuel using ionic liquid extraction as a complementary process to adsorptive desulfurization显示文摘The extractive desulfurization of a model gasoline containing several alky]thiols and aromatic thiophenic compounds was investigated using two imidazolium-based ionic liquids(ILs).1-butyl-3-methylimidazolium tetrachloroaluminate,and l-oetyl-3-methylimidazolium tetrafluoroborate.as extractants.A fractional factorial design of experiments was employed to evaluate the effects and possible interactions of several process variables.Analysis of variance tests indicated that the number of extraction steps and the IL/gasoline volume ratio were of statistically highly significant,but none of the interactions were significant.The results showed that the desulfurizalion efficiency of the model gasoline by the ILs could reach 95.2%under the optimal conditions.The optimized conditions were applied to study the extraction of thiophenic compounds in model gasoline and several real gasoline samples:the following order was observed in their separation:benzothiophene > thiophene > 3-methylthiophene > 2-melhylthiophene.with 96.1%removal efficiency for benzothiophene.The IL extraction was successfully applied as a complementary process to the adsorptive desulfurization with activated Raney nickel and acetonitrile solvent.The results indicated that the adsorptive process combined with IL extraction could provide high efficiency and selectivity,which can be regarded as a promising energy efficient desulfurization strategy for production of low-sulfur gasoline. | N.Farzin Nejad A.A.Miran Beigi | 2015 | Petroleum Science2015，12，2： | 8 |
| 2 | Expansion of Bcr-Abl-Positive Leukemic Stem Cells Is Dependent on Hedgehog Pathway Activation显示文摘 | Christine Dierks Ronak Beigi Gui-Rong Guo Katja Zirlik Mario R. Stegert Paul Manley Christopher Trussell Annette Schmitt-Graeff Klemens Landwerlin Hendrik Veelken Markus Warmuth | 2008 | Cancer Cell2008，，3： | 2 |
| 3 | Investigation of wax precipitation in crude oil:Experimental and modeling显示文摘In this work,a series of experiments were carried to investigation of rheological behavior of crude oil using waxy crude oil sample in the absence/presence of flow improver such as ethylene-vinyl acetate copolymer.The rheological data covered the temperature range of 5e30C.The results indicated that the performance of flow improver was dependent on its molecular weight.Addition of small quantities of flow improver,can improve viscosity and pour point of crude oil.Also,an Artificial Neural Network(ANN)model using Multi-Layer Perceptron(MLP)topology has been developed to account wax appearance temperature and the amount of precipitated wax and the model was verified using experimental data given in this work and reported in the literature.In order to compare the performance of the proposed model based on Artificial Neural Network,the wax precipitation experimental data at different temperatures were predicted using solid solution model and multi-solid phase model.The results showed that the developed model based on Artificial Neural Network can predict more accurately the wax precipitation experimental data in comparison to the previous models such as solid solution and multi-solid phase model with AADs less than 0.5%.Furthermore,the number of parameters required for the Artificial Neural Network(ANN)model is less than the studied thermodynamic models. | Taraneh Jafari Behbahani Ali Akbar Miran Beigi Zahra Taheri Bahram Ghanbari | 2015 | Petroleum2015，1，3： | 2 |
| 4 | Species diversity and geographic distribution of hard ticks (Acari: Ixodoidea: Ixodidae) infesting domestic ruminants, in Qazvin Province, Iran显示文摘 | Khadijeh Shemshad Javad Rafinejad Karim Kamali Norayer Piazak Mohammad Mahdi Sedaghat Masoomeh Shemshad Akbar Biglarian Fathollah Nourolahi Enshallah Valad Beigi Ahmad Ali Enayati | 2012 | Parasitology Research2012，，1： | 2 |
| 5 | Adaptation of parameters of BP algorithm using learning automata显示文摘 | Hamid Beigy Meybodi M R | 2000 | Proceedings Sixth Brazilian Symposium on Neural Networks2000，，6： | 1 |
| 6 | Vaginal yeast colonization in nonpregnant women: a longitudinal study显示文摘 | Beigi R H Meyn L A Moore D M | 2004 | Obstet Gynecol2004，104，： | 1 |
| 7 | Effects of the arteriovenous fistula on pulmonary artery pressure and cardiac output in patients with chronic renal failure显示文摘 | Beigi A Sadeghi A Khosravi A | 2009 | J Vasc Access2009，10，： | 1 |
| 8 | Late and very late initial probing for congenital naso laerimal duct obstruction:what is the cause of failure?显示文摘 | Kashkouli MB Beigi B Parvaresh MM | 2003 | Br J Ophthalmol2003，87，9： | 1 |
| 9 | Prognostic significance of recurrent chromosomal aberrations detected by comparative genomic hybridization in sporadic colorectal cancer显示文摘 | De Angelis P M Stokke T Beigi M | 2001 | Int J Colorectal Dis2001，16，1： | 1 |
| 10 | Immobilized-liposome chromatographic analysis of drug partitioning into lipid bilayers显示文摘 | Beigi F Yang Q Lundahl P | 1995 | J Chromatogr A1995，704，2： | 1 |
| 11 | Treatment considerations for bacterial vagi-nosis and the risk of recurrence显示文摘 | Chen JY Tian H Beigi RH | 2009 | J Womens Health (Larchmt)2009，18，12： | 1 |
| 12 | Regulation of glucose transport by hypoxia显示文摘 | Zhang JZ Behrooz A Ismail Beigi F | | 0，，01： | 1 |
| 13 | Keratoacanthoma frequently show chromosomal aberrations as assessed by comparative genomic hybridization显示文摘 | CLAUSEN O P BEIGI M VILUND L | 2002 | J Invest Dermtol2002，119，： | 1 |
| 14 | Chromosomal 20q gain in the DNA diploid component of aneuploid colorectal carcinomas显示文摘 | De Angelis P M Stokke T Beigi M | 2007 | Int J Cancer2007，120，12： | 1 |
| 15 | Pelvic inflammatory disease and tubo-ovarian abscess 显示文摘 | Lareau SM Beigi RH | 2008 | Infect Dis Clin North Am2008，22，4： | 1 |
| 16 | Room-temperature ionic liquids as electrolytes in electroanalytical determination oftraces of 2-furaldehyde from oil and related wastewaters from refining processes显示文摘 | Shamsipur M Beigi A A M Teymouri M | 2010 | Talanta2010，81，12： | 1 |
| 17 | Intraocular pressure and pulsatile ocular blood flow after retrbulbar and peribulbar an- aesthesia显示文摘 | Warkins R Beigi B Yates M | 2001 | Br Ophthalmo12001，85，： | 1 |
| 18 | The efficacy of retreatment with the same medication for early treatment failure of bacterial vaginosis 显示文摘 | Bunge KE Beigi RH Meyn LA | 2009 | Sex Transm Dis2009，36，11： | 1 |
| 19 | Cellular learning automata with multiple learning automata in each cell and its applica- tions 显示文摘 | Beigy H Meybodi M R | 2010 | IEEE Transactions on Systems Man and Cyber- netics Part B : Cybernetics2010，40，1： | 1 |
| 20 | Pelvic Inflammatory Disease and Tubo-ovarian Abscess显示文摘 | Susan M. Lareau Richard H. Beigi | 2008 | Infectious Disease Clinics of North America2008，，4： | 1 |
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