好词典

stoichiometry

UK //ˌstɔɪ.kiˈɒm.ɪ.tri//US //ˌstɔɪ.kiˈɑː.mə.tri//

词源

源自希腊语 'stoicheion'(元素)和 'metron'(测量),意为'元素的测量'。

noun

❶ 化学计量学,研究化学反应中反应物与生成物之间定量关系的学科,用于计算反应中各物质的比例和数量。

“Stoichiometry is essential for balancing chemical equations.”

(化学计量学对于配平化学方程式至关重要。)

“We used stoichiometry to determine the amount of product formed.”

(我们利用化学计量学计算了生成物的量。)

同义词:chemical calculation, reaction stoichiometry, quantitative chemistry

常见短语

stoichiometric ratio — 化学计量比,指化学反应中反应物和生成物之间的精确比例关系。

“The stoichiometric ratio of hydrogen to oxygen in water is 2:1.”

(水中氢与氧的化学计量比为2:1。)