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- knudsen diffusion coefficient 克努曾扩散系数
- 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 moisture diffusion coefficient was increased at the early drying sta... 随后,随含水率逐渐降低呈逐步减少趋势。
- 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 diffusion coefficient of RaA atoms,being 0.071cm~2/s,was determinedusing two-filter wall deposition method. 采用壁沉积方法;测得 RaA 的扩散系数 D=0.;071cm~2/s。
- The longer time and the bigger convection and diffusion coefficient was,the bigger the polluted region. 作用时间越长,扩散系数越大,污染物影响范围越大,质量浓度值越高。
- 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 .
- Results Increasing vascular permeability coefficient P and the drug diffusion coefficient D, AUC will increase. 结果增大肿瘤间质中毛细血管对药物的通透性P，提高药物在肿瘤间质的扩散系数D，AUC的值均增大。
- 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。
- The effective diffusion coefficient and rate constant of intraparticle transport were calculated. 求出了颗粒内有效扩散系数和颗粒内扩散速率常数。
- Diffusion coefficient can be deduced from matano method using electronic microprobe. 采用电子显微探针法，“俣野”数值方法推导出扩散系数。
- The impurity concentration profile depends on epitaxy growth velocity, growth time and impurity diffusion coefficient. 如果杂质的扩散系数很小，杂质在外延层中的深度分布是均匀的。
- The effective diffusion coefficient of water-solubility chloride ion in GBC concrete is 17% of that in the OPC. GBC混凝土比普通混凝土具有更强的抗氯离子扩散性能，其水溶性氯离子有效扩散系数只有普通混凝土的17%25。
- At the same sintering temperature, the diffusion coefficient during the PCH process is larger than that of HP. 烧结温度越高，元素的相对扩散系数越大；相同烧结温度下，PCH样品的相对扩散系数要高于HP样品，即PCH过程中原子扩散要快于HP过程。
- To calculate distribution of sediment concentration in vertical under wave and current, a model of silt diffusion coefficient distribution in vertical is set up. 为了计算波流共同作用下含沙量沿垂线的分布,建立了沿垂线分布的泥沙扩散系数模型。
- Aim: To explore apparent diffusion coefficient (ADC) in the diagnosis of infarction core and ischemic penumbra(IP) affter acute cerebral infarction. 探讨磁共振表观扩散系数(adc)值对急性期脑梗死核心和缺血半暗带(IP)的诊断价值。
- The experimental results show that surface mortar layer can significantly reduce the chloride ion diffusion coefficient of concrete. 结果表明,致密的表面砂浆层能显著地降低混凝土本体的氯离子扩散系数。
- The chemical diffusion coefficient DLi Versus lithium content x in CoFe3Sb12 has been examined by EIS for the first discharge. 采用交流阻抗方法研究了Li~+在CoFe_3Sb_(12)电极中的扩散系数D_(Li)。 。
