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- It has been proved that it is economical and feasible to eliminate educt alkali from coarse sodium tungstate with electrodialysis method of negative ion (1) selective membrane. 研究表明：一价阴离子选择膜电渗析法从粗钨酸钠溶液中脱除游离碱是经济可行的。
- Cation Selectivity of Perfluorosulfonate Polymer 全氟磺酸膜的离子选择性
- A thin layer of bone, membrane, or other tissue. 骨骼、粘膜或其它组织的薄层
- She helped to select a dress for Ruth. 她帮着给露丝选了一件衣裳。
- She is selective in the dresses she wears. 她对于自己穿的衣服精挑细选。
- A plastic membrane serves as selective diffusion barrier. 一层塑料薄膜起着选择性渗透屏障的作用。
- She only stays at select hotels. 她只住一流旅馆。
- Can student willfully select the course? 学生可以随意选择课程吗？
- The sodium is removed with cation exchange resin. 钠用阳离子交换树脂来分离。
- A select group were invited to the wedding reception. 一群经过挑选的人士被邀请参加婚宴。
- A thin skin or film, such as an organic membrane or a liquid film. 薄皮，薄膜如生物膜或液体膜等细薄的皮或膜
- A tightly stretched sheet or membrane, as on the head of a drum. 绷紧的薄膜状物挤压得很紧的平板或薄膜，如鼓面
- I'm very selective about the people I associate with. 我与他人来往极慎重，不滥交。
- The cation penetrates the spore. 这种阳离子能透入孢子。
- A vibrating membrane in the ear helps to convey sounds to the brain. 耳膜的振动帮助声音传送到大脑。
- Cation, but he seems to be much of a scholar. 据说他未受过高等教育,但他看上去很有学者的风度。
- Select the drive in which you want to store the document. 选择想把文件存储在其中的驱动器。
- Our shops select only the very best quality produce. 我们商店都是精选的质量最高的产品。
- The sodium is removed with cation exchange resin . 钠用阳离子交换树脂来分离。
- The cation penetrates the spore . 这种阳离子能透入孢子。
