查询词典 diffusion coefficient

The results showed that diffusion coefficient and diffusive distance increased w ith raising of negative substrate bias.

结果表明扩散系数和扩散距离都随着负衬底偏压的增大而增大。

DLS is allowed for determination of thetranslational diffusion coefficient and can provide information about the size anddistribution of molecules in solution.

借助光散射，可以实现蛋白质晶体生长过程的动态控制。

Thus, non-negative property is suggested as the criterion of stability. Further, diffusion coefficient is replaced by an artificial one in the finite difference equation to simulate the entropy generation can improve the accuracy of the numerical analysis.

在尽可能满足对流扩散过程数值格式中的输运性或守恒性及稳定性的同时，以扩散熵产仿真为原则的伪扩散系数可有效地提高数值模拟的仿真性，为数值计算中扩散系数的修正提供了一种有效的手段。

It solves the problem that how to calculate diffusion coefficient D when the fluorescence have significant linear attenuation which is often observed in FRAP experi- ments.

本文提出了一种切实可行的计算膜脂流动性的方法，给出了详细的实施步骤、计算方法及结果，并解决了在荧光存在明显线性衰减这一常见情况下的扩散系数D 的计算问题。

The research indicated that chloride ingression is largely determined by exposure time, chloride binding, environment temperature, stress and cracks conditions, the symptoms of which could be found with the modifier of the apparent diffusion coefficient Da of chloride, in the model of concrete service life prediction.

研究表明，暴露时间、胶凝材料对氯离子的吸附作用、混凝土保护层应力和裂缝状态、环境温度等对混凝土中氯离子的迁移均有较大的影响，这些影响因素可以通过对氯离子表观扩散系数的修正来表征，将其引入使用寿命预测模型。

For a soil or rock of water - lacked , a heat transfer theoretical model is developed , which is a steady or unsteady , the results show that reservoir temperature , thermal diffusion coefficient , inlet temperature , flow rate of and run time of ground source heat pumps have an effect directly on heat transfer process of dhe . it can deduce that intermit running is favorable for this type of soils and rocks

对于贫含水地下岩土层建立了稳态与非稳态传热的理论模型，分析结果表明，岩土层的热储温度、导温系数、埋地换热器进水温度、流量以及地源热泵系统的运行时间或开停机比，都对埋地换热器的传热过程产生直接影响，可以推断，对于该类型岩土层的地源热泵系统，采用间歇运行将是有利的。

There are many electrochemical methods for measuring the diffusion coefficient of lithium in carbon such as Electrochemical Impedance Spectra method、Potential Step Chronoamperometer 、Potential Intermittent Titration Technique 、Current Pulse Relaxation and Warburg impedance methods.

测试锂在碳材料中扩散系数常用的方法有电化学交流阻抗图谱法、电位阶跃时间电流法、电位间歇滴定法、电流脉冲驰豫法和Warburg阻抗法等。

Furthermore, mechanical models were used to describe the modulus composition relation, the isochronal mechanical spetrum and the diffusion coefficient composion relation of the blends.

进一步，通过力学模型描述了该共混体系的模量-组成关系、动态力学温度谱以及透气系数与PVA含量的关系曲线。

And adsorption of jack bean proteins onto the amphoteric resin was studied in this paper. The amphoteric resin was in innersalt form. The results of adsorption experiments show that when the proteins are adsorpted into the amphoteric resin in the neutral phosphate buffer solution, the diffusion coefficient of protein is near twofold in 0.4 mol/L NaCl phosphate buffer solution than that in solution without salt, and the adsorption capacity of protein also rises at the same ti...

通过盐浓度对吸附的动力学和热力学影响的研究，结果表明，在中性磷酸盐缓冲液中，两性树脂吸附刀豆蛋白，有盐( 0 。4mol/L Na Cl)的比无盐的扩散系数提高将近一半，且吸附量增加，其吸附等温线的效率在最初始部分高于无 Na Cl时的；随着盐浓度( 0～ 1 mol/L Na Cl)的提高，树脂对蛋白的吸附量也变大，盐浓度提高时树脂膨胀体积的增大与蛋白吸附量的增加呈线性关系，内盐型两性树脂对大分子蛋白质的吸附作用与小分子高价离子的相似，同样是通过内盐键破裂吸附。

According to the special structure of the coefficient matrix arising from the SUPG discretization of convection-diffusion problem, or the MAC discretization of the Oseen problem, we use Kronecker product approximation to design the preconditioner.

第一章讨论预条件技术，针对对流扩散问题和 Oseen 问题离散后系数矩阵所具有的特殊结构，用近似 Kronecker 积构造预条件子。

The changes of the HAF after liver injury may be related to the volume of blood loss, the intraabdominal pressure and the pneumoperitoneum duration.

肝撞击伤伴失血后肝动脉血流量的变化与失血量、气腹压力以及气腹持续时间等有密切联系。

Reneging on our commitments to the world's poor cannot be an austerity measure, she said.

放弃我们给世界上的穷国的承诺不能成为一种紧缩措施。