化学计量的英文：
stoichiometry

There are some defects that leave the stoichiometry unaffected
有些缺陷并不影响化学计量。

A considerable amount of effort has been made into forcing lead dioxide to conform to exact stoichiometry.
相当多的努力一直被花费在强制性地把二氧化铅转变为化学计量意义上准确的Pb2O上。

The specific synthetic conditions are as follows: ①Mg:B(mol)=1:1-1.05 ②KCl,NaCl or NaOH could be used as flux
其具体的合成工艺条件为:①Mg:B(摩尔比)按化学计量比以1:1-1.05配料，结果满意;②氯化钾、氯化钠、氢氧化钠均可作为助溶剂

There are some defects that leave the stoichiometry unaffected
有些缺陷并不影响化学计量。

The stoichiometry of the material cannot be readily adjusted as is the case with VPE
材料的化学比不象VPE法一样容易进行调节。

A compound has stoichiometry and ion distribution opposite to that in one of the structures just mentioned
化合物的计量关系及其离子分布和刚才提到的结构恰好相反。

The ratio of air to fuel for which perfect combustion takes place is called stoichiometry
实现完全燃烧时的空气和燃烧的比率称为化学当量比。

Undoubtedly many different reactions contributed to the overall stoichiometry of photosynthesis
无疑，这种光合作用的总的化学计量学中，包含有许多不同的反应。