1) gas permeability
透气性，气相渗透率，气体渗透性
2) gas permeability
气渗透率;透气性
3) gas permeability
气体渗透性
1.
Testing study of gas permeability of fracture rock under peak stress;
峰值破裂岩石的气体渗透性试验研究
2.
The carbonation performances and gas permeability of four types of concrete(ordinary concrete,fly ash concrete,air-entrained concrete and fly ash airentrained concrete) were studied in this paper.
研究了普通混凝土、粉煤灰混凝土、引气混凝土和粉煤灰引气混凝土等四类混凝土的抗碳化性能和气体渗透性能。
3.
The characteristics of pore structures, surface appearance,the ratio of gas permeability (J) and separation factor (α), etc were performed by SEM, XRD and gas permeability experiments.
０ｍｍ），并通过ＳＥＭ、ＸＲＤ及气体渗透性等研究，从孔结构、表面形貌、气体渗透率和分离因子等多方面进行表征。
4) gas phase permeability
气相渗透率
1.
The coal core flow tests are conducted in following steps: injecting 5 g/L salt water to measure water phase permeability,K_w;injecting in opposite direction N_2 gas to measure gas phase permeability,K_g,changing with time,t;injecting 2 g/L surfactant solution in the salt water and measuring K′_w;injecting in opposite direction N_2 gas to measure K′_g,changing with t;the water phase .
0 h测气相渗透率Kg随时间变化,正向注2 g/L的表面活性剂盐水溶液并测K′w,反向注氮气测K′g随时间变化,由Kw和K′w计算水相损害率αw,由Kg和K′g(t)计算气相渗透率αg(t),其稳定值αg∞被称为热力学水锁损害率。
5) gas relative permeability
气体相对渗透率
补充资料：透气性
分子式：
CAS号：
性质：透气性是皮衣、皮鞋等供穿用的革制品的一项可贵的卫生性能，透气性与皮革纤维偏织形态及纤维束分散程度、革的孔率及加油、填充和涂饰层性能有关。绒面革及不涂饰的革透气性好，填充重的或涂层厚的革透气性差。透气性可用仪器测定，以在一定压力下和一定时间内，皮革试样单位面积所透过的空气量(以)表示。
CAS号：
性质：透气性是皮衣、皮鞋等供穿用的革制品的一项可贵的卫生性能，透气性与皮革纤维偏织形态及纤维束分散程度、革的孔率及加油、填充和涂饰层性能有关。绒面革及不涂饰的革透气性好，填充重的或涂层厚的革透气性差。透气性可用仪器测定，以在一定压力下和一定时间内，皮革试样单位面积所透过的空气量(以)表示。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条