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水化合物

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Layered double hydroxides are sort of anionic layered materials with anion exchanging ability and show wide application prospects in the fields of catalysis, pharmaceutical, environmental protection and functional additive agents etc.

水滑石类化合物是一类阴离子型层状功能材料,因其层间阴离子的可交换性,调整层板结构和组成发生变化,从而使之在催化、制药、环保、功能助剂等领域显示出广阔的应用前景。

The main products and business: Pharmaceutical intermediates,Bactericide and Algaecide, Amino acids and derivatives,Polypeptide reagents, Chiral compounds, oxygen absorbers, biochemical reagents and fine chemicals, our products sold in Europe and America, the Middle East and other regions.

主要产品及业务:医药中间体,水处理杀菌剂,氨基酸及衍生物,多肽试剂,手性化合物,脱氧剂,生化试剂和精细化学品,销往欧美,中东等地区。

In this work, a series of layered silver-long chain alkylamine complex has been synthesized in the alcohol/water system for the first time, and such compound possesses the special sponge-like macroporous structure.

在本工作中,系列银-不同碳链长度的有机胺的配合物首次在醇-水体系中被合成获得,且该化合物具有特征性的海绵形貌中空结构。

The results indicated that the viscosity of the anhydrous system has a significant influence on the proton migration.

电导率的测定结果表明,非水条件下磷酸的自解离传递质子的能力优于磷酸与有机含氮杂环化合物共同传递质子的能力。

An anhydrous sodium borate used in the manufacture of glass and various ceramics.

无水硼钠化合物,用于制造玻璃和各种陶瓷。

A novel method for determination of aniline compounds in water and waste water was described by ultraviolet spectrophotometric method.

建立了利用紫外分光光度法测定水和废水中苯胺类化合物的一种新方法,研究结果表明,本方法比现行方法快速、准确、灵敏、简便易行。

This phenomenon is supposed to be due to the abundant animalcule and active organic oddment in the surficial sediments and decomposition of organic matter and phosphorus compounds, leading to the dissoluble phosphorus into the pore water.

沈积物和孔隙水中磷的剖面特徵研究表明,表层沈积物和孔隙水中的磷都有明显上升的趋势,是由於沈积物的表层微生物和活性有机碎屑层比较丰富,有机质降解和含磷的有机化合物分解,使溶解性磷酸盐进入孔隙水。

Chapter five: A method for the separation of anthraquinone compounds based on nonaqueous capillary electrophoresi s has been developed.

第五章:建立了非水相毛细管电泳分离蒽醌类化合物的实验方法。

A Cu-promoted ring-closed reaction of di-pyridylketone azine was developed in the design of a fluorescent chemodosimeter for potential selective Cudetection.

晶体结构和光谱分析表明,在DPKA的乙腈/水混合溶剂中,引入铜离子可以促使苯并三氮唑类荧光化合物(2)的形成,该反应可以使得溶液的荧光明显增强。

The title compound (C21H15N5O) was obtained by the reaction of 3-methyl-1-phenyl-1H-pyrazol-5(4H)-one and 4-(2,2-dicyanovinyl)benzonitrile in water in the presence of TEBA and by recrystallization from EtOH(95%) and DMF.

水溶剂中,在三乙基苄基氯化铵存在下,由3-甲基-1-苯基-1H-吡唑-5(4H)-酮和4-(2,2-二氰基)苯基氰合成并经N,N-二甲基甲酰胺与95%乙醇的混合溶剂重结晶得到化合物C21H15N5O的晶体。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。