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- 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 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。
- 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 mechanism in the intercalation-deintercalation processes in the CAW electrode and the related chemical diffusion coefficient of Li+ were determined. 测定锂离子在碳原子线内的化学扩散系数D_(Li+)等动力学参数。
- The results indicated that the dyeing affinity and the diffusion coefficient of disperse dye on modified wool fiber were higher than that on the normal wool fiber. 通过测试分散染料在未改性和改性羊毛织物上的上染速率曲线,得到了分散染料在这些纤维中的扩散系数;
- Abstract : The diffusion coefficient of the liquid midia in polymer coatings has been calculated by A.C. method.The time dependance of the coating capacitance has been obtained. 摘要 : 介绍并应用了交流电容法及电阻法计算液体介质在高聚物涂层中的扩散系数,作出了涂层电容随时间变化的理论和实验曲线,两者吻合较好。
- A method of determining the solid diffusion coefficient of electrode materials in the lithium battery was introduced,where the capacity was the main variable. 介绍了一种以容量参数为主变量的测定锂二次电池中电极材料固相扩散系数的方法。
- SU Xiguang,LONG Huizun,ZHU Zhenguo,et al.Study on diffusion coefficient of radioactive Sr,Cs and actinides in bentonite[J].At Energy Sci Technol,1998,32(Suppl.):67-75(in Chinese). [2]苏锡光;龙会遵;朱振国;等.;放射性铯、锶及锕系元素在膨润土中的扩散系数研究[J]
- The average diffusion coefficient of carbon in surface layer of steel20 rare ea rth carburized at880 and900℃ for8 h was calculated by substituting the mea sured layer depths into the diffusion equation. 通过对20钢常规气体渗碳和稀土渗碳层深的测定,计算出稀土渗碳时碳在奥氏体中的平均扩散系数。
- Objective To investigate the diffusion coefficient of water molecules using magnetic resonance(MR)diffusion weighted spectroscopy(DWS)with normal medical magnetic resonance device. 目的在常规医用磁共振机上利用扩散加权波谱技术测量水分子的扩散系数。
- Slattery, J.C., and Bird, R.B., “Calculation of the Diffusion Coefficient of Dilute Gases and the Self-diffusion Coefficient of Dense Gases, ”A. I. Ch. E. Journal, Vol. 4, p. 137, 1958. 林贵添,“两相互作用之层流喷流的质传分析,”国立成功大学机械工程研究所硕士论文,1996。
- Application of CL Formula in CAM Software for NC Machining. CL公式在数控线切割机床CAM系统中的应用
- In the engineering design, Arnold equation is recommended for estimating the diffusion coefficients of CO_2 in A. 在工程计算中,推荐用Arnold式来估算CO_2在碳酸丙烯酯,聚乙二醇二甲醚中的扩散系数。
- The diffusive coefficient of endothelia-cell (EC) keeps constant in normal tissue out of tumor. 肿瘤外正常组织内皮细胞扩散系数是常数;
- The results indicate that the chloride diffusion coefficients of concretes increase with the increasing of the replacement of the limestone powder. 结果表明,混凝土中掺入石灰石粉对其抗氯离子渗透不利;
- DIFFUSION COEFFICIENT OF Dy IN LIQUID Al 镝在液态铝中的扩散系数
- Diffusion coefficient of C in Co binder phase 碳原子在钴粘结相中的扩散系数
- The addition of fly ash can effectively the chloride diffusion coefficients of the concretes with limestone powder, thus improving their ability to counter chloride diffusion. 粉煤灰能有效降低石灰石粉混凝土的氯离子扩散系数,提高其抗氯离子渗透能力;
- The diffusion coefficients of water through epoxy coatings with talcum powder filler coated by stearic acid with different concentrations were calculated. 通过计算求出了硬脂酸不同包覆浓度时,水在涂层中的扩散系数。
- Water has a variable coefficient of expansion. 水的膨胀系数是可变的。