化学式

过氧阴离子（化学式为O2-2）存在于无机过氧化物中。

The peroxide anion ( chemical formula O22 - ) is present in peroxides of inorganic compounds .

硝酸：一种无机化合物，无色、冒烟、高度腐蚀性的液体，化学式为HNO3。

Nitric acid : Inorganic compound , colourless , fuming , highly corrosive liquid , chemical formula HNO3 .

氧化钇化学式：Y2O3说明：白色粉末。

Yttrium oxide Numerator formula : Y2O3 Description : white powder .

通过元素分析表明它的化学式为ZnS6（C5H5N）2，并经红外光谱、紫外可见光谱归属，在标题化合物中存在多硫基及吡啶配体。同时进行循环伏安的研究。

The title compound was also characterized by element analysis , IR and UV-V is spectra and cyclic voltammetry .

兴安石是我国新发现的一种富含稀土、铍的硅酸盐新矿物，其理想的化学式为（Y，Ce）BeSiO4（OH）。

Xinganite , a new mineral discovered in China , is a REE-Be-rich silicate . The ideal formula is : ( Y , Ce ) BeSiO_4 ( OH ) .

该矿物页片相的化学式可表示为Cu1.684S，是笔者未曾查到有人曾描述过的一种新的CuS矿物相。

The lamellar phase can be represented by Cu 1.684 S , which is a new mineral phase never documented .

采用低温自蔓延方法合成了Mn-Zn铁氧体纳米晶，EDS测试结果表明该纳米晶的化学式为（MnZn）（0.5）Fe2O4。

Nanometer-sized crystal of ( MnZn ) _ ( 0.5 ) Fe_2O_4 was synthesized through low temperature self-propagating method , which was characterized by the XRD and EDS tests .

在水溶液中合成了配合物[Zn（phen）3]·2TsTausH（化学式为C54H48N8O11S4Zn），其结构经X射线衍射、IR和元素分析等表征。

The title complex was synthesized by reaction of o-phenanthroline ( phen ), N-p-tolysulfonytaurine ( TsTausH ) and zinc acetate in water-ethanol solution . The structure was characterized by X-ray diffraction , IR and elemental analysis .

一种天然存在的单醣，化学式为C6H12O6。

Galactose Organic compound , a monosaccharide , chemical formula C6H12O6 .

甲醛又名蚁醛，化学式为HCHO，是一种无色，有强烈刺激型气味的气体。

Ants , also known as aldehyde formaldehyde , chemical formula HCHO , is a colorless , has a strong stimulating gas-type smell .

采用泡生法和提拉法生长出三硼酸铯（化学式CsB3O5，简称CBO）晶体，研究了晶体生长工艺条件及晶体生长形态。

Single crystals of CsB3O5 ( CBO ) were grown by Kyropoulos method and Czochralski method respectively .

甲基哌啶一种合成的麻醉性化合物，化学式为C15？H21NO2，其结晶性盐酸盐被用作止痛剂和镇静剂。

A synthetic narcotic compound , C15H21NO2 , used in its hydrochloride form AS an analgesic and a sedative .

KDP（化学式KH2PO4）晶体是一种重要的非线性光学材料，被广泛应用于激光领域。

As an important kind of nonlinear optical components , KDP ( chemical formular KH2PO4 ) crystal which is widely used in the laser field .

果糖：有机化合物。糖的一种。化学式为C6H12O6。

Fructose ( or levulose or fruit sugar ): Organic compound , one of the simple sugars ( monosaccharides ), chemical formula C6H12O6 .

任一种白色的晶体酸，化学式为COOH（CH2）8COOH，用于生产某些合成胶、纤维多种增塑剂和聚脂橡胶。

A white crystalline acid , COOH ( CH2 ) 8COOH , used in the manufacture of certain synthetic resins and fibers , various plasticizers , and polyester rubbers .

氨基酸，化学式为C4H8NCOOH，存在于大多数蛋白质中，是胶原蛋白的主要成分。

An amino acid , C4H8NCOOH , that is found in most proteins and is a major constituent of collagen .

采用直接法制备了主族金属元素铅取代的以锰为中心原子的杂多配合物，经ICP，TG曲线确定其化学式为K14[Pb（MnW11O39）2]。

Adopt direct method to produce the main group metal element-lead to take the place of heteropoly com-pounds with Mn as the central atom . By means of ICP and TG , the molecular formulas were confirmed as K14 [ Pb ( MnW11O39 ) 2 ] .

Crook-County蒙脱石的化学式计算

Calculation of the chemical formula of Crook - Country montmorillonite

基于分析和分子量的化学式。

A chemical formula based on analysis and molecular weight .

说明书摘要可以包含最能说明发明的化学式；

The abstract may contain the chemical formula which best characterizes the invention .

我把化学式的讨论，留到下节课。

I 'll leave till next time the discussion of the chemical potentials .

三八面体云母晶体化学式计算的方法和程序

Method and computer program for the calculation of crystal-chemical formulas of trioctahedral micas

异构体被定义为化学式相同而结构不同的化合物。

Isomers are defined as compounds having the same formula but different structures .

化学式：化合物的组成或结构的任何一种表达式的总称。

Chemical formula : Expression of the composition or structure of a chemical compound .

金云母-蛭石间层矿物分晶层晶体化学式的计算及意义

The calculation and significance of individual crystal layer chemical formula of phlogopite-vermiculite interstratified mineral

目前，干化学式生化分析仪也已得到较为广泛的应用。

At present , the dry type biochemistry analyzer was also more widespread application .

一种修正单斜辉石晶体化学式计算的方法&穆斯堡尔谱在计算晶体化学式中的应用

A modified calculation of crystal-chemical formula of clinopyroxene & the application of Mossbauer spectrum

也为其它类似间层矿物的研究提供了一种计算分晶层晶体化学式的可行方法。

The method alse can be used on studying other analogous types of interstratified minerals .

泡沫（化学式）灭火器

Foam type ( stored pressure ) extinguisher

离子晶体的单位化学式就是其中不同离子间的最简比。

The simplest ratio of the ions in thecrystal is known as the formula unit .