电子湿度计可以直接测量溶液上部密闭空间的相对湿度，而不能直接测量溶液的活度。
An electronic hygrometer can be used to directly measure the relative humidity over the solution placed in hermetic room without direct measurement of its activity.
在洁净度为1000的无尘室密闭环境下生产的防静电、水晶般透明的PET保护膜。
A crystal clear PET protection film with antistatic property, produced in Class 1000 Cleanroom Enclosed environment.
详细分析焦炭强度、块度、灰份、挥发分、反应性对铅锌密闭鼓风炉生产的影响，为鼓风炉生产提供一定的指导。
The effect of coke intensity and granularity, volatilization components, ashes and reactivity on Imperial Smelting Furnace (ISF) have been discusses in detail.
应用推荐