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Effect of various functional groups on biodiesel synthesis from soybean oils by acidic ionic liquids
Preparation of biodiesel from soybean oils catalyzed by five acidic ionic liquids with three cationic functional groups ......
Objective To investigate the impact of extended culture of early stage embryos on pregnancy outcome of frozen embryo tra......
Physical characteristics of high-rank coal reservoirs in different coal-body structures and the mech
The physical characteristics of coal reservoirs are important for evaluating the potential for gas desorption,diffusion,......
The evaluation methods of planarization capability of copper slurry are investigated.Planarization capability and materi......
In this report, the analytical expression of Coulombic interaction between a spherical nanoparticle and a tetragonal nan......
20001575 Fang Lianyu(No.3 Hydrogeologyand Engineering Geologieal Team,Hebei Bu-reau of Geologieal Exploration,Hengshui,H......
Volcanic rocks in the Ordos Basin are of mainly two types: one in the basin and the other along the margin of the basin.......
Controls on reservoir quality in the paleogene Kalatar Formation of the southwestern region of the T
The Paleogene Kalatar Formation is a main target for petroleum ex125 ploration in the southwestern region of the Tarim B......
Deformation Processed Cu-15 wt pct Cr Composite Synthesized by Hot Hydrostatic Extrusion of Mechanic
A novel technique was developed for the preparation of Cu-15 wt pct Cr composite with high strength and conductivity.Th......
Improve Market Environment for Promoting Rapid, Sustainable and Healthy Developmentof China Auto Ind
During the 8th Five-Year Plan period, an average annual growth rate of 24% was achieved by China auto industry, which i......
Conformation-activity studies on the interaction of berberine with acetylcholinesterase:Physical che
Berberine has been reported as an acetylcholinesterase(AChE) inhibitor.With significantly low cytotoxicity,berberine wil......
The reaction of acetaldehyde with hydroxyl radical was studied by means of quantum chemical methods. The geometries for......
Selenium nanoparticles were prepared by a reverse microemulsion system. Sodium selenosulfate was used as selenium source......
Density Functional Theory method is applied to investigate the enol-keto tautome- rism of both acyclic and cyclic α-flu......
Having larger atomic size than that of Fe, rare earth (RE) atoms could not diffuse into the crystal lattice of Fe based ......
Main Controlling Factors and Dominant Reservoir Series Analysis of Es_3 in the Qibei Area of Qikou S
Based on analysis of geophysical data such as core observation,rock slices identification, physical property,scanning el......
我们从第六期开始陆续刊登首届“北外杯”中学生写作大赛的部分获奖作文。本期选登的是广州华南师大附属中学高一6班袁明韵同学的......
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There exist strong interests of developing nano-grained steels because of the outstanding properties including high stre......
CHINA’s economic development and reforms to its economic system have made great strides in the almost four decades sinc......
Therapeutic safety evaluation of sodium glycididazole combined with ~(131)I radiotherapy for differe
To evaluate safety and therapeutic efficacy of sodium glycididazole (CMNa) combined with 131I radiotherapy for different......
The treatment of primary gastric diffuse large B-cell lymphoma(DLBCL) has changed radically over the last 10–15 years, ......
According to meteorological conditions for sugar cane growth and development,surface meteorological observation data of ......
MHEORETICAL STUDIES ON THE REACTION MECHANISMS OF CYCLOADDITION REACTIONS BETWEEN KETENE OR SUBSTITU
The cycloaddition reactions between ketene or substituted ketenes andcyelopentadiene have been studied theoretically by ......
指出我国农村基础设施建设采用BOT等新型投融资方式对弥补农村基础设施建设传统财政投资规模的不足、提高农村基础设施建设质量、......
【正】"美国的汽车经销商拥有很多权利来与汽车制造商抗衡。"我有一辆三年租约的本田思域汽车,它需要更换零部件,我到租车的本田经......
正如美国著名学者罗伯特·吉尔平所指出，任何一个区域的经济一体化运动都会涉及政治与经济两方面的动机。为应对全球化和区域一......
应用层序地层学方法，通过钻井、测井、地震反射等标志，将惠民凹陷沙四上亚段划分为1个三级层序，并以地层叠置样式、岩性、岩相的变化......
【正】 Beijing, May 17, 2002, Captain Frank Hankins from Boeing China Inc. is talk-ing with the kindergarten classes at ......
