音标与读法

这里为大家介绍下chemical formula 是什么意思，希望能帮助到各位朋友。

中英文翻译

化学式。

chemical:adj. 化学的，化学作用的；应用化学的，用化学方法获得 ...formula:n. (pl. formulas, -lae ) 1.公 ...a representation of a substance using symbols for its constituent elements

同义词：formula,

A chemical formula is a way of expressing information about the proportions of atoms that constitute a particular chemical compound, using a single line of chemical element symbols, numbers, and sometimes also other symbols, such as parentheses, dashes, brackets, and plus (+) and minus (?) signs. These are limited to a single typographic line of symbols, which may include subscripts and superscripts.

例句与用法

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

有附图的专利申请，还应当提供一幅最能说明该发明或者实用新型技术特征的附图。

2.This temporary dress , consisting of a cloud of nonwoven cloth , is made by spraying a chemical formula directly onto the skin

把这种含特殊化学配方的喷雾直接喷在皮肤上，你就拥有了一件合体的临时衣服。

3.Green gas has always been mislabelled , with fake chemical formulas and incorrect pressure specifications - nobody questioned them

同时，绿气罐子外面也化学成份和压力参数也是被（厂家）故意错标的，长期没有人去怀疑它。

4.Jack : the machine won " t boot , it contains information that might stop a terrorist incident , the chemical formula of a cure for cancer and people " s lives depend on me

这机器不能启动了，它里面的信息有可能阻止一场恐怖袭击，包含的化学公式可以治愈癌症，无数人的生命都悬在我手上。

5.The structure evolution and reaction mechanism of silicon - iron composite powders treated at the temperature ranging from 700 c to 1200 c respectively were carefully investigated through xrd , sem , epma , dsc . it was found that the chemical formula , fe + si - fe ( si ) + fe3si ( si ) , controls the reaction process , and the reaction mechanism of powder homogenization was clarified

通过利用xrd ， sem ， epma ， dsc等多种测试手段，详细研究了铁硅复合粉末带材在700 1200的热处理温度条件下的反应状况及结构变化，明确了反应过程中的化学方程式： fe + si fe ( si ) + fe _ 3si ( si ) ，并解释了各个热处理温度范围内，铁硅粉末均一化的反应机理。

单词网dAnCi.583316.COm