1. A composite pump was developed which is composed of a non evaporable getter pump and a sputtering ion pump. 结合消气剂和离子泵的各自优缺点,研制了一种由非蒸散型消气剂泵与冷阴极溅射离子泵组成的复合泵。
2. In the paper the kinetics of hydrogen absorption was studied, and a basic model was presented for the non-evaporable getter material. 以非蒸散型吸气剂材料为研究对象,提出了一种吸氢动力学的基本模型。
3. The concepts of equivalent un-evaporable water content and the hydration effecting factor Eh are proposed to evaluate the effect of fly ash on the early hydration of cement. 提出可用等效结合水含量和水化影响因子来定性和定量分析粉煤灰对水泥早期水化作用的大小。
英英解释
adj.
1. (used of substances) capable of being volatilized