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1)  oxygen permeability
透氧性
1.
The oxygen permeability of the hydrogel materials,with different assembly,water content and thickness were studied.
实验发现,随NVP含量的增大,水凝胶的含水量越大,透氧性增大,水凝胶材料的透氧率(Dk/L)的倒数与其厚度成正比。
2.
Edible films with desirable oxygen permeability can be prepared from wheat gluten under certain conditions.
一定的条件下 ,以小麦蛋白为原料可以制得具有良好透氧性的薄膜。
2)  oxygen permeability
透氧性能
1.
Penetrating mechanism of oxygen in copolymer hydrogel for contact lens, synthesized by copolymerization of N-vinylpyrrolidone, hydroxyethylmethacrylate and methylmethacrylate, ethylmethacrylate or butylmethacrylate, was researched, diffusion model of oxygen in the hydrogel was established, and oxygen permeability of the hydrogel was determined by static penetration as well.
以N-乙烯吡咯烷酮(NVP)、甲基丙烯酸2-羟乙酯(HEMA)以及甲基丙烯酸甲酯(MMA)、甲基丙烯酸乙酯(EMA)或甲基丙烯酸丁酯(BMA)为原料,制备共聚物水凝胶角膜接触镜材料,分析了氧气在水凝胶膜中的渗透机理,建立了氧气在水凝胶膜中的扩散模型,并采用等压渗透法测定了水凝胶膜的透氧性能。
2.
The oxygen permeability(Dk) and dehydrate behavior of chitosan-based contact lens in deionized water and OPTI-FREE contact lens solution were studied and compared.
考察和比较了壳聚糖角膜接触镜样品在去离子水和OPTI-FREE杀菌全护理液中的脱水行为和透氧性能,并研究了壳聚糖角膜接触镜的脱水反应动力学,建立了壳聚糖角膜接触镜的透氧系数和含水量之间的数学模型。
3)  oxygen nitrogen permeation
氧氮透过性
4)  Oxygen-nitrogen selective permeability
氧氮透气选择性
5)  Oxygen and nitrogen permeabilities
氧氮选择透过性
6)  Permeability and selectivity for oxygen and nitrogen
氮氧透气选择性
补充资料:不透性石墨
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性质:用树脂和石墨制成的介质不能渗透的石墨材料。按制造方法可分为浸渍石墨、压制石墨、铸塑石黑三类。是一种很好的耐腐蚀导热材料。其物理机械性能较石墨高。具有优良的导热性能。主要用于制造各种耐酸介质的换热器和管道、阀门等。例如在氯碱、农药等工业中石墨换热器广泛用于冷却。

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