compound 四级GMAT考研

Cacodylic acid, or sodium cacodylate is an arsenical compound and popular crystallization buffer and is not compatible with reducing agents.

二甲胂和 二甲胂酸钠是结晶中常使用的含砷，它们不能与还原剂共同使用。

The by-product arsenic compound obtained by this method can be used as the clearing agent and decolorizer for the glass industry.

所得副产品含砷可作为玻璃工业的澄清剂及脱色剂。

The Linking device of asyndetic compound sentences is one of the important grammatical problems in Russian teaching and research.

无连接词复句的连接手段是俄语教学和研究中的重要语法问题之一。

The catalyzed asymmetric synthesis was the effective method to prepare the optics active compounds, the pentamethide obtaines the widespread application as the reagent or the catalyst in this domain.

催不对称成是制备光学活性的有效方法，金属有机作为试剂催剂在这一领域得到了广泛的应用。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类分子共面性较强,为较大的共轭体系,取代羟基的接入,对橙酮类共面性影响不大。

A strain may be defined as an organic compound containing a benzene ring plus a chromophore and auxochrome group.

染料定义为含有苯环与呈色官能基与辅助成色官能基的。

Triaminoguanidine is a kind of non-azide nitrogen-rich flammable compound, which has some advantages of high nitrogen, good thermal stability, and high positive formation enthalpy, etc.

摘要三氨基胍是一种非叠氮类、富氮型、可燃性，其系列含能具有高的正生成焓、热稳定性好、氮含量高等特点。

Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR，1HNMR，FAB-MS and elemental analysis.

首次成了叠氮亚磷酸酯及叠氮磷酰胺类，并用IR、1HNMR、FAB-MS及元素分析对结构进行了鉴定。

The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).

利用基质辅助激光解吸电离飞行时间质谱法分析三苯胺偶氮。

Azo-dye is a quality second-order nonlinear light-induced chromophore molecular.Silicohydride compound has excellent photoconduction, transparence and non-linearity.

偶氮染料是优良的二阶非线性光学生色分子,而硅烷又具有优良的光学光导透明性和非线性。

The products are widely used in dry mortars like self leveller compounds, tile adhesives, tile grouts and repair mortars.

公司主要产品如Fondu，TernalLC和TernalWhite已经在中国市场获得众多客户的信赖。

The in-plane resistivity of nanogold film can be changed after it adsorbed sulphydryl compounds.

纳米金膜在吸附巯基后,金膜的平面电阻会发生相应的变。

Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.

摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应，成了链状冠醚二芳醛缩氨硫脲类。

We have observed similar protection and viability with other water-insoluble compounds such as calcium alginate, dimethylglyoxime, zinc carbonate, barium carbonate, and 1-aminoanthraquinone.

我们已观察到其他非水溶性（如海藻酸钙、丁二酮肟、碳酸锌、碳酸钡及1-氨基蒽醌）也有类似的保护和生存能力。

The results showed that the main compound categories of aromatic components were alcohols, esters, terpenes and ketones for all half-highbush blueberry cultivars.

结果表明，半高丛越橘以醇类、酯类、萜类和酮类质为主。

Chapter four deals with the synthesis , spectroscopic and structural study of two novel chiral annuloid compounds derived from 1,2-diaminocyclohexane (DACH) via silicon and phosphor.

第四章讨论了两个硅、膦环环己二胺手性配体的成及其光谱特性与结构特征。

All five biguanides tested interacted synergistically with atovaquone against Plasmodium falciparum in vitro.All of the other compounds tested were either additive or antagonistic.

【文献摘要】The synergistic potential of a range of biguanides, their triazine metabolites, tetracyclines, and pyrimethamine in combination with atovaquone has been assessed.

For the apolar compounds, the derivatization was not necessary.

对于非极性，不一定要进行这样的衍生。

Apochromatic lens: Compound lens corrected for chromatic aberration, i.e. the three primary colours , red, green and blue are corrected. Also called Apochromat.

矫正色差的复式透镜：即是红、绿和蓝三原色的色差都已矫正。

It was found that the compounds are adsorbed on the Ag surface through the carboxyl oxygen atoms, the benzene adopts acclivitous conformation, others lie low on the Ag surface.

在银溶胶表面上，羧基氧原子与银形成学建，苯环是稍微倾斜地吸附在银胶面上，其它部分则平躺吸附于银溶胶表面。