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

异构体被定义为化学式相同而结构不同的化合物.

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He can never write chemical formulas correctly for chemical reactions.

他总是不能准确地写出化学反应的化学式.

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

目前, 干化学式生化分析仪也已得到较为广泛的应用.

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Nitric acid: Inorganic compound, colourless, fuming, highly corrosive liquid, chemical formula HNO 3.

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.

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

化学式: 化合物的组成或结构的任何一种表达式的总称.

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Yttrium oxide Numerator formula: Y 2 O 3 Description: white powder.

氧化钇化学式: Y2O3说明: 白色粉末.

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

离子晶体的单位化学式就是其中不同离子间的最简比.

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The metal or nonmetal is written first in the formula , followed by oxygen.

(方式状语)在化学式中先写金属或非金属,气候是氧.

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The invention relates to a acid tromethamine salt , of which the formula is C 18 H 23 NO 5.

一种联苯乙酸氨丁三醇盐, 化学式为C18H23NO5.

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Fructose fruIt'sugar : Organic compound, one of the simple sugars ( monosaccharides ), chemical formula C 6 H 12 O 6.

果糖: 有机化合物.糖的一种. 化学式为C6H12O6.

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