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- 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 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;
- In this paper, we prove existence and uniqueness of strong solutions for stochastic differential equations by a transformation of killing their diffusion coefficients. 在这篇文章中我们通过一种去掉扩散系数的变换证明了随机微分方程强解的存在唯一性。
- In this paper,we prove existence and uniqueness of strong solutions for stochastic differential equations by a transformation of killing their diffusion coefficients. 在这篇文章中我们通过一种去掉扩散系数的变换证明了随机微分方程强解的存在唯一性.
- 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。
- The results show that the SPSR method is reliable and has the advantage that it is fast and easy when it serve to determine the diffusion coefficients in catalyst pellets. 结果表明:SPSR法测定固体催化剂有效扩散系数的模型是可行的,而且该方法具有准确、快捷等特点。
- Using these approaches, diffusion coefficients were obtained for the first time for complexes under tensile stress condition and no stress condition respectively. 用这些计算方法,首次从实验上求得了空位与溶质原子复合体分别在低张应力状态和无应力状态下的扩散系数。
- The relation between the dye diffusion coefficients in the electrochemical dyeing of soybean protein fiber knitwear when changing the bath voltage and temperature was studied on regarding the dynamics. 摘要从动力学角度出发,研究了大豆蛋白纤维针织物电化学染色染料扩散系数随槽电压、温度的变化关系。
- Finally, the diffusion coefficients of benzene and cyclohexane in the membranes were calculated by Einstein relation, and found that the diffusion coefficients in hybrid membranes were larger than those in the control membrane. 最后通过Einstein公式计算了苯和环己烷在膜中的扩散系数,发现苯和环己烷在杂化膜中扩散系数大于空白膜。
- The diffusion coefficients calculated from the Green-Kubo integral over velocity correlation function and from the Einstein relation for the mean square displacement were equivalent. 采用Green Kubo法和Einstein法计算的扩散系数相等 .
- 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。
- In this paper, the diffusion coefficients of the ~(14)C in austenite of armco iron specimens vari-ously cold deformed were investigated by using the radioisotope technique, and it was autora-diographed on the carburization surface layer. 采用放射性同位素技术测定了在渗~(14)C过程中~(14)C在不同量室温形变工业纯铁奥氏体中的扩散系数,并对渗层进行自射线照相。
- Molecular dynamics simulations have been carried out for mixtures of Lennard-Jones fluids. Selfdiffusion coefficients and mutual diffusion coefficients have been obtained for Ar and Ar/Kr mixture. 采用分子动力学(MD)模拟的方法;计算了模型流体氩及氩/氪溶液的自扩散系数和互扩散系数;及其与温度的关系.
- The location of Malachite green in CTAB micelles and the effects of Malachite green on the first cmc, the aggregation numbers N, the diffusion coefficients D, and the diffusion activation energies of CTAB micelles have been studied. 研究了孔雀绿(MG)对十六烷基三甲基溴化铵(CTAB)胶束的临界胶束浓度cmc,CTAB胶束聚集数N,胶束扩散系数D,胶束扩散活化能的影响以及孔雀绿在CTAB胶束中的定位。
- It was indicated that the steady-state diffusion coefficients of vapour in direction parallel to panel surface of OSB were about 10 times as large as that in direction perpendicular to panel surface. 结果表明,定向结构板内平行于板面的水蒸气稳态扩散系数约是垂直于板面的水蒸气稳态扩散系数的10倍左右。
- Three kinetic models are applied to theexperimental data,the diffusion coefficients are calculated,and the rate constants of chemical reac-tions are also obtained by Moving Boundary Model. 分别用三种动力学模型处理实验数据;计算了扩散系数并用动边界模型计算了化学反应速度常数;
- With the increase of mean cluster size(MCS)at different water activities, multi-layer sorption and capillary condensation occur, which lead to the diminution of diffusion coefficients in P... 结果显示,随着水蒸气活度的增加,膜内水分子簇尺寸增大,并在膜的微孔内产生多层吸附甚至毛细管冷凝,导致扩散系数迅速降低。
- Diffusion coefficients of dodecyltrimethylammonium bromide(DTAB)/ alcohols/ heptane/ H2O microemulsion system were measured by cyclic voltammetry using K3Fe(CN)6 as the electrochemical probes. 以铁氰化钾为电化学探针,用循环伏安法测定了十二烷基三甲基溴化铵(DTAB)/醇/庚烷/水体系微乳液的扩散系数,同时用电导率法研究了微乳液的结构及结构转变。
- Diffusion coefficients of Cu and Fe elements to PCH and Radiation Hot( RH) joining methods were calculated.The coefficients to PCH were larger by three orders of magnitude than those of RH. 计算了脉冲大电流热焊接和辐射热焊接下Cu/Fe体系的扩散系数,得出在相同焊接温度下,前者原子的扩散系数比后者的大三个数量级。