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1·This is the molecular formula of diazine.

这是氯哒嗪的分子式。

2·This is what the molecular formula means.

这就是此分子式的含义。

3·At last confirming the pigment was delphinidin-3-O-glucoside, the molecular formula is C21H21O12.

最后确定样品可能是飞燕草色素-3-葡糖苷，分子式为C21H21O12。

4·Before we can assign a structural formula to a compound, we must first know its molecular formula.

在确定一个化合物的结构式之前，首先应知道它的分子式。

5·Based on the valence bond theory, a general molecular formula for organic com - pounds is derived.

本文根据价键理论导出了一个有机化合物的分子总通式。

6·The molecular formula, C6H14, does not show anything except the total number of carbon and hydrogen atoms.

分子式C6H14只用来表示碳原子和氢原子的总数。

7·Thee molecular formula, C6H14, does not show anything except the total number of carbon and hydrogen atoms.

分子式c 6h14只用来表示碳原子和氢原子的总数。

8·It is calculated in practice by summing the atomic weights of the atoms making up the substance's molecular formula.

实际计算中是把组成该物质分子式的各原子的原子量求和而得。

9·Their general molecular formula were characterized with elemental analysis, ir, UV, XRD, TEM, TG-DTA and TPR techniques.

通过元素分析、IR、UV、XRD、TEM、TG DTA、TPR等测试手段对其组成、结构、颗粒大小、热稳定性以及表面性能进行了表征。

10·Facing thees numerous and complicated molecular formula, he doesn't know what to do, because he is a layman to them. His major is art.

面对着这些纷繁的分子式，他不知如何是好，因为他对它们一窍不通，他是学艺术的。

分子式

1·According to the principle of isomeric chemistry, when organic substances have the same molecular formula and the same functional groups, their chemical and physical properties are very similar.

根据同分异构的化学原理，有机物有相同的分子式和相同的官能团时，它们的化学性质和物理性质很相似。

2·The result shows that the measurement results agree well with standard values by choosing simulative average molecular formula on balance.

结果表明，采用模拟的平均分子式作为平衡项处理，测定结果与给出的标准值吻合。

3·This paper estimates the carbon content of different trees by the plant molecular formula, and estimated the forest carbon sequestration in our country using the carbon content as parameter.

本文通过植物分子式的方法确定不同树种的含碳量，以此为参数对我国的森林碳汇量进行了估算。

4·To provide the molecular formula and molecular weight, as the substance has a unique and defined molecular structure according to item III of your notification form.

根据申报表项填写情况，申报物质有唯一确定的分子结构，所以应准确填写申报物质的分子式和分子量。

5·This is what the molecular formula means.

这就是此分子式的含义。