您要查找的是不是：
- H_2, N_2 Permeability measurements show that the separation is controlled by Knudsen diffusion mechanism. H_2、N_2渗透力与理想分离系数的测试结果说明分离主要以诺森扩散机制进行。
- The gas permeation mechanism through carbon membrane is involved in Knudsen diffusion and viscous flow. 气体透过炭膜的扩散以努森扩散为主，并伴有粘性流。
- Considering the separation mechanism, it is proposed to be the interaction of Knudsen diffusion and pressure diffusion. 探讨了介孔分离膜对空气分离的机理，认为其对空气分离是努森扩散和压力扩散共同作用的结果。
- The Knudsen diffusion plays a control role in the process of mass transfer insides holes.Activation energy reduces as particle size of absorbent get smaller. 固硫过程中的二氧化硫扩散特性与固硫剂表面性质、固硫剂粒径有关，并且努森扩散在孔内传质过程中起控制作用。
- The permeability of N-2,H-2 and CO-2 across the membrane were controlled by Knudsen diffusion,and the memebrane exhibited outstanding hydrophilicity since their permeation coefficients of H-2O/N-2 are higher than the Knudsen diffusion values. N2 、H2 和CO2 在膜内渗透由Knudsen扩散控制 ;H2 O N2 分离因子均大于Knudsen扩散值 ;表现出良好的亲水性 .
- The results showed that the viscous flow plus Knudsen diffusion could explain the permeation mechanism of supercritical CO_2 through macroporous membranes, where the surface diffusion was negligible. 理论分析与实验结果表明,当表面扩散可以忽略不计的时候,粘性流和Knudsen扩散可以解释超临界CO_2通过多孔膜的渗透行为。
- Points of knowledge: Molecular diffusion and Knudsen diffusion; 知识要点：分子扩散与努森扩散；
- calculation of Knudsen diffusivity; 努森扩散的扩散系数的计算；
- Keywords Gas Mean free walk of gas molecules Number of Knudsen Diffusion mechanism Diffusion modes; 瓦斯;分子平均自由程;诺森数;扩散机理;扩散模式;
- Clouds cause the diffusion of light from the sun. 云使阳光漫射。
- m2/(s?Pa) and the ideal selectivity of H2/N2 and H2/C3H8 was 4.21 and 7.56, which are higher than the respective Knudsen diffusion ratios of 3.74 and 4.69. m2/(s?Pa);H2/N2的理想分离系数达到4.;21;H2/C3H8的理想分离系数达到7
- tortuosity factor, difference of molecular and Knudsen diffusions; 曲节因子，分子扩散与努森扩散的判别；
- knudsen diffusion 克努曾扩散
- Knudsen was always suspicious of me. 克努森老是猜疑我。
- GM was secretly delighted to be rid of Knudsen. 通用汽车公司对于摆脱掉了努森，暗中感到高兴。
- Insulation used to prevent heat diffusion, as from a steam pipe. 绝热材料用来防止热量散失的绝热材料，如从蒸汽输送管上
- knudsen diffusion coefficient 克努曾扩散系数
- Traditional systems have used oil diffusion pumps. 常规的系统使用油扩散泵。
- The diffusion process seems to be accelerating. 传播过程看来正在加速。
- They discourage further diffusion. 它们阻碍进一步扩散。
