通透系数（permeability coefficient）
通透系数（permeability coefficient）
相关考题：
Twitter feature: the microblogging social website service. The limitation of every post is 140 words, permeability is very strong, but slow and steady, 1000 posts per second, active users for 560 million.()此题为判断题(对，错)。
When placed in a magnetic field, which of the materials listed will maintain the highest permeability?( )A.GlassB.BakeliteC.Soft ironD.Aluminum
关于通透量的公式，正确的是( )。A.通透量（单位时间分子数）=（C-C）×面积×厚度/通透系数B.通透量（单位时间分子数）=（C-C）×通透系数/（面积×厚度）C.通透量（单位时间分子数）=（C-C）×厚度×通透系数/面积D.通透量（单位时间分子数）=（C-C）×面积×通透系数/厚度
下面哪个参数属于材质的动力学属性？（）A、Bounce CoefficientB、Static FrictionC、Sliding FrictionD、Friction Coefficient
单选题Fighting a rig fire in the ballast pumproom with hoses would adversely affect the stability of the rig most by（）.Aincreasing the permeability of the pumproomBreduction of drill water from the storage tanksCa list caused by water filling the compartmentDa reduced KG caused by water filling the compartment
单选题When placed in a magnetic field, which of the materials listed will maintain the highest permeability?（）AGlassBBakeliteCSoft ironDAluminum
单选题（） pistons have low inertia and high coefficient of thermal expansion.ACast ironBCast steelCForged steelDAluminum
单选题An aluminum piston has lower inertia and higher coefficient of （） compared to that of cast iron.AviscosityBtwisting momentsCinertiaDthermal expansion
名词解释题生物膜的通透系数