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compounds相关的网络例句

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Synthesizing new compounds are always the goal of chemist. Recent ly, the progress of the hydrothermal synthesis method is giving a new method to synthesize new compounds. The hydrothermal synthesis method is prefectly applied to synthesizing the tunnling materials, micro-and meso-porous mat erials as well as some new materials, so this method obtained the intrest of che mist.

中文题名含有杂原子的金属-氧簇(V,Mo,W,P,As)的合成与结构副题名外文题名论文作者李亚丰导师裘式纶教授学科专业无机化学研究领域\研究方向学位级别博士学位授予单位吉林大学学位授予日期2002 论文页码总数70,68页关键词金属-氧簇化学多酸化学无机合成化学馆藏号BSLW /2003 /O611 /3 合成新结构和新组成的化合物一直是化学家们的目标,近代水热合成技术的发展为合成亲新化合物提供了一种新的方法,水热由于在合成具有孔道结构、微介孔材料以及一其它一些新型材料具有其它方法无可比拟的优越性,因此,越来越受到人们的重视。

Optically active propargylic alcohols are very useful and important precursors to many chiral organic compounds including natural products, pharmaceutical compounds and macromolecules.

手性丙炔醇是非常重要的合成中间体,广泛应用于天然产物、药物以及复杂大分子化合物等的合成。

Their corrosion inhibition action of stainless steel in hydrofluoric acid is studied by adsorption theory and electrochemical polarization-curve method,the mechanism of corrosion inhibition action is analyzed.the result shows that the single molecule layer of these compounds is adsorbed on the surface of the stainless steel and followed Langmuir isothermal equation. the adsorption procedure of propiolic alcohol is endothermic reaction, the adsorption ability and corrosion inhibition efficiency increased when temperature rised. The adsorption procedure of other three compounds are all exothermic reaction , the adsorption ability and corrosion inhibition efficiency decreased when temperature increased.

实验结果表明:这几种物质在不锈钢表面产生单分子层吸附,并且满足Langmuir吸附规律,丙炔醇的吸附过程为吸热反应,随着温度的升高,吸附能力增强,缓蚀率升高;其它三种化合物的吸附过程均为放热反应,温度升高,吸附能力下降,缓蚀率降低。

The compounds are especially useful for treating psychoses by administering to a mammal a psychoses-treating effective amount of one of the compounds.

以治疗精神病有效量给哺乳动物使用这些化合物中的一种证明这些化合物特别有助于治疗精神病。

Apparently the concentration of Phe was higher than other compounds in emission and Nap and Pyr were usually in the majority in the remained compounds.

在排放个别PAHs成份中,其Phe浓度值明显比其他成份高出很多;在其他成份中,通常以Nap、Pyr的浓度较高。

For 9 pyrazole compounds, their geometry and electronic structures were analyzed by means of natural bond orbital theory; their reactivity was analyzed by electrostatic potential distributions, heats of formation and Bader density were also calculated. After that, detonation velocities and Chapman-Jouguet pressures of these compounds were given by means of VLW equation.

在最稳定几何构型基础上,基于自然键轨道理论,分析了稳定结构的成键情况和吡唑环上的共轭性;用静电势图分析了吡唑化合物的反应性;理论估算了9种化合物的标准气态生成热和Bader密度;最后采用VLW方程计算了这些化合物的爆速、爆压。

Three classes, forty-eight in total, of pyrazole compounds, imidazolo[1,2-b] pyrazoles, dipyrazolylmethanones and pyrazolyloxadiazoles, have been synthesized, and they have been fully characterized by modern spectroscopic methods, two of which were further confirmed by X-ray diffraction. Most of these compounds have been evaluated for the inhibitions of Gram-positive bacterium represented by Staphylococcus aureus and Gram-negative bacterium represented by Klebsiella pneumoniae.

论文合成了咪唑并[1,2-b]吡唑类、二吡唑基甲酮类和吡唑连噁二唑类共三类48个化合物,使用了现代结构测试手段对所合成的化合物进行了结构表征,其中两个化合物经过了X-Ray射线衍射分析,并对其中大部分化合物进行了以金黄色葡萄球菌和肺炎克雷白杆菌为代表的革兰氏阳性菌和革兰氏阴性菌的初步抑菌活性测试。

The results indicate that the introduction of bulky groups into the pyrazoline ring increases the glass transition temperature of the compounds and changes the luminescent mechanism of the compounds.

结果表明,在吡唑啉化合物的5位引入稠环取代基提高了吡唑啉化合物的熔点;同时,5位取代基的电位性质还影响着化合物的发光行为。

The thesis consists of two main sections. The synthesis of 1,3,4-thiadiazoles,triazolotriazines and dioxapyrrolinopyrazoles containing chiral pyrazolyl moietyfrom D-glucose is described in the first part and the section one is about theDiels-Alder reactions between dienophile enaminones and diene 1,2,4-triazines,which provides a new methodology to construct the pyridine compounds. A total of37 new compounds were synthesized.

本论文包含两部分内容,一是以D-葡萄糖为原料合成含手性吡唑基的1,3,4-噁二唑、三唑并三嗪及二氧代吡咯啉并吡唑类化合物;二是将烯胺酮作为亲双烯体,与双烯体1,2,4-三嗪类化合物发生Diels-Alder反应,发现了一令人意外的构建吡啶类化合物的新方法。

Bicyclic compounds containing a phenyl or pyridyl ring fused to a cycloalkyl or heterocyclic ring, to which is attached a 5-membered heterocyclic ring, including pharmaceutically acceptable salts and prodrugs thereof, are agonists of G-protein coupled receptor 40 (GPR40) and are useful as therapeutic compounds, particularly in the treatment of Type 2 diabetes mellitus, and of conditions that are often associated with this disease, including obesity and lipid disorders, such as mixed or diabetic dyslipidemia, hyperlipidemia, hypercholesterolemia, and hypertriglyceridemia.

本发明涉及含有连接在5元杂环上的稠合至环烷基或者杂环的苯基或者吡啶基环的二环化合物,包括其药学上可接受的盐和前药,它们是G蛋白偶联受体40(GPR40)激动剂并且可以用作治疗性化合物,特别是在2型糖尿病和与这些疾病相关的症状中用作治疗性化合物,这些症状包括肥胖病和脂质疾病,比如混合或者糖尿病型血脂异常症、血脂质过多、高胆甾醇血和高甘油三酯血症。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

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