In order to enhance coalbed methane recovery, taking a self-developed largecale simulation system for the platform, a mo......

<正> In 1967, Pedersen reported his pioneering work on crown ethers. Since then, a large variety of macrocyclic compound......

The Ni-CeO2/Al2O3 catalysts with a nickel content of 15 wt% prepared via impregnating boehmite were found to be highly a......

A new 5,5’ -bisdiazo-dipyrromethane, compound 2, has been synthesized and cha- racterized. The crystal of 2 is of monoc......

In this work,syngas methanation over Ni-W/TiO2-SiO2catalyst was studied in a fluidized-bed reactor(FBR)and its performan......

Nanopolystyrene was used as a solid support for the covalent immobilization of Candida antarctica lipase B(Cal B) using ......

[Objective]The aim was to find optimum reaction conditions for synthetic process of Vitamin C.[Method]Vitamin C sodium w......

To enhance the electrocatalytic activity of anode catalysts used in alkaline-media direct methanol fuel cells(DMFCs), a ......

[Objectives] To compare different extraction methods for total alkaloids from Abrus Cantoniensis Hance taking chloroform......

[Objectives] To study the material foundation of liposoluble constituents from buds,flowers and fruits of Millettia spec......

The density functional theory was used to investigate the adsorption of CH_4 and H_2O on different rank coal surfaces.Th......

The photopolymerization of acrylonitrile initiated by benzophenone-aniline system wasstudied under the irradiation at 3......

This study on the vertical distributions and sources of sixteen PAHs in Xiamen Bay after their separation and determinat......

Coal chemical is defined as producing chemical products with coal as main raw material.Based on different production pr......

On May 10th,2008 Shanxi Jinye Coal & Coking Group Co.,Ltd.(Shanxi Jinye)began construction of a 300000t/a methanol proj......

【正】 China’s demand for energy increased rap-idly in 2007 while the tight supply pushed the market price of liquefied......

【正】 Marketing price of energy and chemical products are dropping dramatically pulled by the increasingly significant ......

【正】 China Blue Chemical Limited (HK:3983),a subsidiary of China’sthird largest oil company - CNOOC,introduced recent......

【正】 Methanol In early October 2008,the prices fo methanol firstly rebounded in some local regions inclubing northern ......

Henan Longyu Coal Chemical Company Limited,un-der Yongcheng Coal and Electric Power Group Corporation,has put into oper......

Methanol fuel Pure methanol and pure etha-nol(ethyl alcohol)can be usedas vehicle fuels.Such vehicles are usually calle......

Shanxi Lanhua Sci-Tech Venture Co.,Ltd.(Lanhua,SH:600123)a ccomplished amain-business revenue of RMB3461.0 million in 2......

substituted hexahydro-1H-1,4-diazepine analogues were synthesized starting from N,N?-dibenzyl-1,3-propylene diamine and ......

The triangular matrixing modified relaxation model equation was established for the syn-thesis of TAME with catalytic di......

NO．1Theanaltwofbf1selevdandawttionpe(:I]al,ueanditSaPPlicat1oI1………… WANHmi。,LIUZhaun(1)7k:llzxiocvofdallneartngstrUC......

The adsorption difference of Pb2’ and Zn2 in sandstone and breccia of Pb-Zn Mine of Yunnan Province was studied by usin......

...

We evaluated the antitumor effect of combined therapy with tegafur/uracil (UFT) plus leucovorin (LV) (UFT/LV)and protein......

[Objective] The aim was to explore an optimized method to measure the artificial pigment by means of high performance li......

Chemical-looping combustion with zero energy penalty of CO2 separation is a significant breakthrough in resolving energy......

The synthesis of poly(2-methoxy-5-(2’-ethyl-hexyloxy)-1,4-phenylenevinylene) (MEH- PPV) in the presence of organophilic......

In order to increase the yield of hydrogen production for hydrogen-producing microbe, the enhancement effect of nanomete......

AIM:The study evaluated the effects of br eathing helium-oxygen(79%heliox and 21%oxygen)on respiratory insufficiency by ......

Azide-functionalization of single-walled carbon nanotubes(SWCNTs) was achieved by electrochemical oxidation of N_3~- in ......

Core ZHS-176 contains the paleoenvironmental records from the northern South China Sea (NSCS) since the Last Glacial Max......

Microcystis aeruginosa is the dominant algae in most of the eutrophicated lakes in China. It can produce cyclic heptapep......

Rice brown planthopper(BPH)(Nilaparvatalugens Stal,)which occurs 4 generations with-in one year in Jiangsu Province has......

Rice leaffolder(Cnaphalocrocis medinalis Guenee) hasbecome a serious pest on rice in Jiangsu Province. The in-sect appe......

The adhesive properties of a series of oligo-mers prepared from 2-isocyanatoethyl methac-rylates (IEM) and/or m-isoprop......

[Objective] A new method for the industrial extraction of essential oil from Ramulus Cinnamomi was selected. [Method] Wi......

[Objective] To establish a method to determine the content of bergenin in RHIZOMA BERGENIAE SCOPULOSAE by HPLC.[Method] ......

[Objective] To establish a method to determine the content of protocatechuic acid in CORTEX ACAN THOPANACIS.[Method] Con......

Fifteen pyridine and substituted benzene diselenides,seleninic acids and seleninic anhydrideshave been synthesized.Amon......

[Objective] Based on optimizing a variety of experimental conditions,a method for the determination of resveratrol in RH......

[Objective] To explore the effects of ethanol concentration on the extraction rate of gentiopicroside in RADIX GENTIANAE......

[Objective] To establish a method for determining the content of total flavonoids in Mukdenia rossii (Oliv.) Koidz.[Meth......

Objective: To develope two simple and accurate spectrophotometric methods for the determination of meloxicam (Ⅰ) in pre......

The method of synthesizing ternary solid mixed ligand complexes from 1,10-phenanthroline, 2,2’-bipyridyl is reported. ......

【正】 China Development Bank Shaanxi Branch andShaanxi Provincial Investment Group Co.,Ltd.signed a loan contract in Xi......

The resolutions of both enantiomers of the ornidazole and sec-nidazole were achieved with high enantiomeric excesses (e......