查询词典 diffusion cosettes

The measurements of self-diffusion coefficient,spin-spin relaxation and interproton distance at 318 K suggest that N,N′-bis-α,ω- alkane propane diammonium dibromide (16-3-16) quasi-global micelles are formed in the dilute solution at a concentration of 0.26 mmol/L and the head groups are in a saw-toothed form staying at the surface of the micelle to overcome the strong electrostatic repulsion force.

从自扩散系数、横向弛豫和质子距离等NMR测定参数推测，在浓度为0.26 mmol/L（318 K）的N，N′-双-α，ω-丙烷溴化铵(16-3-16)溶液中形成了近似球形的胶束，胶束表面的带正电荷的铵基极性头呈锯齿状排列以减弱分子间静电排斥力的影响。

Roadway boundary condition has a good applicability and stability in difference calculation of diffusion equation.

巷道边界条件适用于扩散方程的差分计算并具有很好的稳定性。

Assuming that the intermediate system decayes with a statistical lifetime, the general behaviour of the threefold differential cross section d~3σ/dZdEdθ in the dissipative collisions of 68MeV ~(12)C+~(27)Al and 68.6MeV ~(12)C+~(40)Ca system are analysed in the diffusion model framework.

在扩散模型的框架内，用假定中间组合系统以一个统计的寿命衰变的方法分析了68MeV~(12)C+~(27)Al和68.6MeV~(12)C+~(40)Ca的耗散碰撞中产生的产物的三重微分截面d~3σ/dZdEdθ的一般趋向。

After the founding of the new China, as social stability and national scientific establishment improved, the diffusion entered a new phrase, with Poincare's groundbreaking works in qualitative theory of differential equations and topology being well spread and developed.

建国后，随着社会的稳定和国家科技体制的逐渐完备，庞加莱学说在中国的传播进入新的阶段，他在微分方程定性理论、拓扑学等领域的开拓性工作都得到了很好的传播和发展。

Objective:To investigate the value of diffusion weighted imaging in the diagnosis and differential diagnosis of brain tumors.

目的：探讨MR扩散加权成像在脑肿瘤诊断和鉴别诊断中的价值。

Another way is to include the effect of a crack on the diffusion coefficient.

另一种方法是将效力一支精干的扩散系数。

This work provides a useful method for obtaining diffusion coefficient, which is the key parameter in migration model.

为获得小分子在聚合物中的扩散系数提供了一种较好的方法。

The experimental results show that the doping of Co increases the diffusion coefficient and enhances the stability of the structure.

结果表明掺杂Co可以提高Li〓的扩散系数，还能增强结构的稳定性。

Therefore, how to enhance its electron conductivity and lithium-ion diffusion coefficient is studied in this thesis.

本论文主要围绕提高LiFePO_4的电子电导率和离子扩散系数从而提高其电化学性能的目的对其进行改性研究。

The objectives of this paper are to study both theoretically and experimentally liquid diffusion coefficient as follows

基于目前的状况，本文从以下几个方面对液相扩散系数进行理论探索和实验测定的研究。

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。