催化数：在给定酶浓度下，单个活性位点每秒执行的底物分子的化学转化次数的极限值。
Turnover number has two related meanings:
转换数-引用次数：1
参考来源四磺酸基金属酞菁/MCM
更换数
回转数
周转数
转换数
转化数
周转率
酶的转换数 (turnover number) 是指在酶被底物饱和的条件下，每个酶分子每秒钟将底物转化为产物的分子数。
... 蛔虫病：Ascariasis 回转数：turnover number 回游性鱼：migrating fish ...
...酶的转换数（turnover number）,用来表示酶的催化效力(catalytic power),其定义为:每摩尔的酶(单体酶)或每摩尔的酶活性中心(含有多个活性中心的酶)在单位时间内...
... turnips 红萝卜；芜菁 turnover number 酶变率 turasole ① 石蕊 ② 天芥菜 ...
[生化]转换数，周转率
The device is convenient, the move is convenient, the movement speed is quick, the turnover number is many, the service life is long and so on the characteristic.
装置便利，搬家便利，移动速度快，周转次数多，运用寿命长等特色。
They emphasize the importance of having the right number of qualified staff, appropriate incentives to minimize turnover, and infection control measures to prevent contamination.
他们强调指出，具备适当数量的合格医护人员、制定旨在最大限度地减少人员流动的合理激励机制、出台感染控制措施具有重要意义。
Employees' expectations have been rising as the economy recovers and the number of available positions increases, which affects turnover rates.
随著经济复苏和职位的增加，雇员的期望值在升高，这同时也影响了人员流动率。
Tesco still ranks third behind Carrefour in global turnover (Wal-Mart is number one).
ECONOMIST: Retailing in South-East Asia: Exit Carrefour | The
The company said the impact on staff would be minimised by natural turnover and redeployment, and the number of permanent employees who would leave the company was estimated to be about 800.
Last January's report had raised concerns about a number of areas, including staff turnover, high levels of reported violence, healthcare and the level of participation by prisoners in various activities on offer.