Aim: To investigate the regulatory function of Cox7a2 on steroidogenesis and the mechanism involved in TM3 mouse Leydig ......

The slow kinetics at the cathode of oxygen reduction reaction(ORR)seriously limits the efficiencies of fuel cells and me......

如果要评选五月底广州音响唱片展上视听效果最震撼的展厅,位于东方宾馆6楼会议室的圣谛展厅绝对榜上有名。展厅内搭建的是一套造价......

Four types of unprecedented and chemodivergent reactions betweenα-diketones and alkynylα-diketones have been achieved ......

An approach for the simulation and optimization of continuous catalyst-regenerative process of reforming is proposed in ......

A Yi Abalone Ready Meal Gift Box The world renowned A Yi Abalone has always been the first choice of top gourmets when e......

3-Ethyl-3,4,4a,10a-tetrahydro-2H-1,5-dioxa-3-aza-phenanthren-6-one(C_(13)H_(13)NO_3,M_r=231.24)was synthesized and chara......

Collective phenomenon in neon isotopes is an interesting topic.However,even the ground-state deformations cannot be well......

A catalytic addition of amine N H bonds to carbodiimides using aluminum chloride as a Lewis acid catalyst is developed.T......

A new aromatic diamine,3,5-diaminobenzoylpiperazine (3,5-DABP),was synthesized from 3,5-diaminobenzoic acid and 1-formyl......

Copolymers of N-pentafluorophenyl maleimide (PFPMI) with methyl methacrylate (MMA) were synthesized by a free radical in......

The coupling reactions of simple methyl ketones with o-bromoacetophenones and subsquential cyclization reactions were re......

Cu-TiO_2 catalysts supported onγ-Al_2O_3 are prepared and used in glycerol cyclization with 1,2-propanediamine to produ......

Based on the designed As_2Se_3 and As_2S_3 chalcogenide glass photonic crystal fiber(PCF) and the scalar nonlinear Schr......

This paper summarizes significant progress in quantifying organic substituent effects in the last 20 years. The main con......

The microwave assisted liquefaction process of wheat straw alkali lignin was investigated to obtain monophenolic compoun......

In the afternoon of December 14th, 2011, the Embassy of the United States in Beijing celebrated the grand benchmark of r......

Presently the world economy is in downturn. The changeable international political situations have put leaders of vario......

Polyvinyl alcohol carriers bearing active amide and active ester groups were prepared by acetaliza-tion of granular mac......

I really can’t tell you anything about the opening ceremony,“ Director Zhang Yimou says with a smile. Presently, Zhang......

一、引言随着我国会计电算化不断发展提升,对会计人员的计算机应用知识的要求越来越高,有些企业的会计信息系统正面临从传统的核算......

This investigation developed a new method for determining metal complex’s property containing the stepwise real absorpt......

Here we report the chemoenzymatic synthesis of Ro 25-8210 (1) and Ro 25-6630 (2) by using microbial reduction of a-chlor......

In the preparation of catalyst for propylene polymerization, the Mg(OEt) 2 support was activated with ethanol/CO 2 sys......

A possible isomerization channel from BrONO (bromine nitrite) to BrNO2 (nitryl bromide) is predicted by means of MP2 and......

Using 4-Dialkylaminopyridinium salt as a thermal stable phase-transfer catalyst (PTC), the excellent results were obtain......

In this paper, the silver nanoparticle ink and ink-jet printing technology are used to manufacture the surface acoustic ......

[Objective]The paper was to understand the rodent fauna in southeast forest region of Heilongjiang Province and its harm......

We present integrated-optic building blocks and functional photonic devices based on amorphous siliconon-insulator techn......

We demonstrate the temperature-dependent fluorescence properties of Pr.LiGdF_4 crystal for the first time,to tie best of......

...

The power performances of a point absorber wave energy converter(WEC)operating in a nonlinear multidirectional random se......

Turbulent two-phase reacting flow in the chamber of LOX/RP-1 bipropellant liquid rocket engine is numerically investigat......

This article gives a brief introduction to the two prize-winning research results achieved by the CAS institute in Xinj......

The diffusivity of hydrogen in two Ni3Al alloys (No.1 and No.2) has been measured in the temperature range of 100’C to ......

Nanoscale tungsten powder was prepared by reducing nanoscale tungsten trioxide in hydrogen to WO2.90 and further to W po......

The morphology,mechanical properties of unsaturated polyester(UP)resin modified with TDI were studied via dynamic FT-IR ......

Based on the characteristics of the internal structure of closed-cell aluminum foam, this paper attempts to illus- trate......

The lingering high price on the metal market has made many of the industry analysts feel at loss, leading to some new co......

A plate’s internal quality is very critical,especially for boilers and high-pressure vessels.The ultrasonic test(UT) is......

Objective To investigate Fos expression in rat lumbarsacral spinal cord and medulla oblongata induced by chronic colonic......

In a recently published article Sydney Brenner argued that the most relevant scientific revolution in biology at his tim......

AIM To study the epitope distribution of hepatitis G virus(HGV) and to seek for the potential recombinant antigensfor t......

The distribution of stable isotopes and ions in precipitation in the Shule River Basin,northwestern China,were investiga......

Recent studies on hydrogen combustion were reviewed briefly. The laminar flow and combustion of premixed hydrogen/air mi......

The intragastric changes especially the changes of nitrite levelafter the cimetidine treatment with or without concomit......

北京央美术馆YANG ART MUSEUM,BEIJING2017.3.11-2017.5.14与其把“都市折叠”当成一场当代艺术展览,不如说是一次方向明确的社会......

The quenching processes of the excited singlet state of pyrene by triphenylamine,diphenyl-amine and N,N-dibenzylaniline......

The reaction between [Ru_3(CO)_9(CCO)]~(2-) supported on magnesium oxide and alky-lating agent CH_3I was investigated i......

Infill drilling is now recognized as a viable improved recovery process. However, the reliable prediction of incremental......