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Enormous opportunities for new business both at home and abroad for China and Chinese vehicle manufacturers and supplier......
The future development and orientaion of China’s fourpillar industries (electromechanical products, telecom, IT andaut......
INSERTION REACTION OF CARBOETHOXYLCARBENE TO N-HEXANE IN THE PRESENCE OF BENZOPHENONE AND THE SENSIT
In the presence of protosensitizer-benzophenone, ethyl diazoacetate was photolyzedand the resulting carboethoxylcarbene......
A new class of chiral pyrrolidine ligands for homogeneous catalytic enantioselective cyclopropanatio
A new class of chiral pyrrolidine ligands have been successfully synthesized and their chiral induction abilities have ......
Following high speed growth in consecutive years, the development speed of China’s chemical products imports & exports......
(Name LISts withoutorder of Priority)MinistryOfForeignTradeandEeonomieCooPerationState General AdministrationofCUstomSSt......
Based on observed data from field-testing embankment of the Qinghai-Tibet Railway, ground-temperature controlling effec......
The trade volume of China’s machine tool and toll importand export in the period of January to November 2000 totaledUS......
通风道内有沉淀物是由于空气中的微粒在靠近通风道壁的边层出现扩散而引起的。作者从通风道的清理、清理的重要性以及沉淀速度等三......
During the design process of Blu-ray disc optical pick-up(BD OPU),the optical system and the collimator lens design is e......
An experimental study is conducted to investigate the heat transfer augmentation in developing turbulent flowthrough a ......
AIM: To examine the effect of acute infection caused by herpesvirus (pseudorabies virus, PRV) on pancreatic ductal secre......
The objectives of this review are to outline the recent findings related to the morphological heterogeneity of the bilia......
Biliary wound healing, ductular reactions, and IL-6/gp130 signaling in the development of liver dise
Basic and translational wound healing research in the biliary tree lag significantly behind similar studies on the skin ......
Recently, a novel and distinct pancreatic cystic tumor termed “mudnous nonneoplastic” cyst was described in the litera......
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文章通过对目前中国市场上影响较大的减肥药广告进行详实解析,发现它们的针对人群为中青年女性,鼓吹产品可塑造充满性感魅力的“苗......
1 Introduction Early attempts to create a sound absorber which would function without the involvement of any fibrous or ......
Sjgren syndrome is a systematic inflama-tory,auto-immune chronic disease.Since 1981,60 cases have been treated by mea......
Enantiomerically pure 6-acetyl-1,3,3-trimethyl bicyclo[2.2.2]octan-2-one,a key inter-mediate for synthesis of(-)-patcho......
A SIMPLE ACCESS TO UNSOLVATED MONOMERIC COMPLEXES OF EARLY LANTHANIDE IODIDES(CH_3OCH_2CH_2C_5H_4)_2
(CH_3OCH_2CH_2C_5H_4)_2LnI(Ln=La,Nd)complexes have beensynthesized by the reaction between NaI and[(CH_3OCH_2CH_2C_5H_4......
Application of dual reciprocity boundary element method for prediction of acoustic characteristics o
The Dual Reciprocity Boundary Element Method (DRBEM) is applied to predict the acoustic characteristics of ducts and sil......
Objective: To develope two simple and accurate spectrophotometric methods for the determination of meloxicam (Ⅰ) in pre......
【正】 With the rapid development of petro-chemical and plastic preparations sec-tors after the 1990s,the output of plas......
Pinanyldioxy styrylboronic ester (1) was employed for asymmetric 1,3-dipolar cycloaddition with nitrile oxides, optical......
A general procedure for the HgCl2-mediated monolithiation reaction of 1-phenyl-l-alkynes was developed....
Based on the concept of Green Chemistry, a new procedure of finding bioactive compounds and their synthetic routes by c......
Bile duct hamartomas(von Mayenburg complexes) mimicking liver metastases from bile duct cancer:MRC f
We present a case of a 72-year-old man with acommon bile duct cancer,who was initially believedto have multiple liver m......
Hydrolysis of DNA is an important enzymatic reaction , but it is exceedingly difficult to mimic in the laboratory becau......
Import of New and High-tech Products Increases Rapidly The proportion of new and high-tech products in the total import......
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An efficient method for the synthesis of dialkyl chlorophosphates from trialkyl phosphites using bis
A mild and simple method for the synthesis of dialkyl chlorophosphates is described,bis(trichloromethyl)carbonate(BTC)is......
Herein we report an efficient organocatalyst for the multicomponent Hantzsch reaction under mild condition.The product e......
During the early time of July, Martin Tlapa, Deputy Minister of Industry and Trade, Czech Republic visited China. During......
Due to the complicated constitution and high precision requirements of the EAST superconducting tokamak, a meticulous as......
People would gasp in admiration if they went to Shanghai’s new scenic spots which include Hongqiao International Airpo......
In the course of studying the fauna of Coccoidea of China, three new species of Diaspididae were found, they belong to ......
Surgical Treatment of Intrahepatic Cholelithiasis:A Retrospective Evaluation of the Experience in 18
Despite the recent improvement in the surgical treatment ofintrahepatic cholelithiasis,inadequate correction of the con......
The major aims combustion engineers all over the worldare striving at are conservation of energy and allevia-tion of env......
（CH<sub>3</sub>OCH<sub>2</sub>CH<sub>2</sub>C<sub>5</sub>H<sub>4</sub>）<sub>2</sub>LnI（Ln=La,Nd）complexes have beensynthesiz......
STUDY ON THE INTRAMOLECULAR CVCLIZATION THROUGH OPENING OF EPOXIDE II RING CLOSURE OF N-METHYL-N-BEN
When the title compound was treated in protic solvent with alkali catalyses,γ-lacatam wasalmost the sole product.The ra......
A new type of macro-micro-macro triple electrode is fabricated. The kinetic equation is obtained by using the decrease i......
The reacdynamics on Ba+BrCH<sub>3</sub>→BaBr+CH<sub>3</sub> has been investigated in the firstproposed potential energy......
Photochemical reactions of 3-methylindole,carbazole,benzimidazole with fusedpolycyclic aromatic hydrocarbons in solid st......
EXPERIENCE ON 60 CASES OF SJOGREN’S SYNDROME DIAGNOSED AND TREATED WITH TRADITIONAL CHINESE MEDICINE
Sjgren syndrome is a systematic inflama-tory,auto-immune chronic disease.Since 1981,60 cases have been treated by mean......
BioTechnica International公司向美农业部(USDA)提出申请,欲对其含种质改良基因的遗传工程玉米进行田间试验.若得到USDA和州立机......
