查询词典 molecular formula

The database can be searched by the serial number and molecular formula of the chemicals.

介绍了核磁共振波谱信息查询系统的程序设计和应用方法。

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

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。

With two atoms of oxygen, and is expressed by the molecular formula CO2. Carbon

二氧化碳是由一个碳原子两个氧原子组成的一种化学物质，其分子结构式为CO2。

Results show that the molecular formula of HA and FA is nC21H21O9N and nC24H33O7N, respectively.

结果表明，黑土HA和FA的元素组成分子式分别为nC21H21O9N和nC24H33O17N。

The molecular formula shows nothing but the total number of carbon and hydrogen atoms.

这个分子式只不过表示碳和氢原子的数目。

A simple set of six numerical codes was used to represent each alkylbenzene structure on the basis of its molecular formula.

根据烷基苯的分子结构式，其每个结构分别采用含有6数字的编码来表示。

From the molecular formula alone, we can deduce the "degrees of unsaturation" in the molecule.

仅从分子式，我们就能推断分子中的"不饱和度"。

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。

The molecular formula of tristearin, a common animal fat , is ?

有一种普通的动物脂肪--硬脂酸甘油酯分子式为？

There are mainly three formulas to name chemicals. First there is the molecular formula this gives the number of each type of atom in a molecule.

命名化学品的分子式主要有三种：第一种给出了分子内每一种原子的数量。

Means the parent directory, so this command means to execute "toolchain.sh," which is in the current directory.

代表父目录，所以这个命令就是执行当前目录下的"toolchain.sh"。

Yes,In fact,I'm on our city ream.

是的。事实上我是我们市队的。