扩散的例句大全

Based on the Chapman-Enskog theory and Heyes equations, two correlation models, which can describe the diffusivity of simple fluid mixtures in porous media, are proposed as functions of the reduced temperature, density and pore width.

同时基于这些模拟值，参考CE理论和Heyes关系式，以对比温度、对比密度以及对比孔径为变量，关联出两个简单流体等摩尔混合物在微孔中扩散系数的计算模型。

Diffusion is proba-bly via the exchange mechanism.

可能的机制是交换扩散机制.

At present, the main ways to separate isotope are gas diffusion, gas centrifugation, chemical exchanging, etc. Because of their high energy consumption, low efficiency and high pollution, these ways are difficult to meet the demand of higher purity and special isotope.

目前广泛采用的同位素分离方法主要有气体扩散法、气体离心法、化学交换法等，由于这部分方法能耗高、分离效率低且环境污染严重已经难以满足对高纯度、特殊同位素的需求。

The research found that the relationships network has scale-free feature and small world feature concurrently, and its diffusion curve corresponds with a second order delay function, the average delay time is associated with the network capacity.

研究发现该人际关系网络同时具有无标度特性和小世界特性，其扩散曲线对应的延迟函数的阶数为二阶，平均延迟时间与网络容量正相关。

The calculation shows that the system point spread function is quite close to the Dirac delta function.

结果表明：系统的点扩散函数接近理想的δ函数；

The results showed that: ( 1) TiO2 promoted the sintering of chromic oxide by Ti4+ replacing Cr3+, which restrained the formation of high volatility chrome cation through forming chrome cation vacancy, and therefore caused lattice distortion and increased Cr3+ diffusion rate.

试验结果表明：（1）TiO2通过Ti4+置换Cr3+，抑制了高挥发性铬离子的形成，产生了铬离子空位及引起晶格畸变，增大了Cr3+扩散速率，从而促进了Cr2O3材料烧结。

Abstract In this paper, we expound the gist of the process control in thick-layer carburizing for heavy-duty gears which includes the selection of the suitable carburizing temperature, cycle and ratio of the carburizing to diffusing period, the way and the demand of carbon-potential control.

阐述了大型重载齿轮深层渗碳工艺控制的要点，包括渗碳温度和时间的合理选择，强渗与扩散时间的最佳分配，碳势控制的途径和要求。

On the other hand, Co binder gradient formed by liquid state carburizing is due to migration of W atoms driven by diffusion of carbon atoms, leading to coarser and closer WC grains in the surface and inward diffusion of Co atoms.

液相渗碳处理时钴相梯度结构形成主要是碳原子扩散驱动下的W原子迁移，导致表层碳化钨晶粒长大并相互靠近，从而使液态钴向合金内部迁移。

The effect of water content on diffusion of pesticides under very dry conditions has been investigated.

人们曾经研究了在十分干燥的情况下水分含量对农药扩散的影响.

And the framework of workflow management system in REM is researched.

阐明扩散制造中工作流管理系统的体系结构.

It was revealed that the wind, wave, sea current, and tide influence on the dilution factor very much.

通过试验，搞清了青岛港港池海水的稀释扩散规律以及风、流、浪。

The Measurement of Solute Diffusion Coefficient in Polymers at Infinite Dilution

小分子在高分子膜中无限稀释扩散系数的测定

The heat diffusivity of the compound, in which the addition level of carbon black was in the range of 25~ 40 phr, increased by 5% as the addition level of carbon black increased by every 1 phr.

而胶料中炭黑用量在25～40份范围内时，炭黑用量每增大1份，则胶料的热扩散系数增大约5%。

The results showed that the curing time of product extended when the heat diffusivity decreased;

结果表明，热扩散系数降低时制品的硫化时间延长；

The influence of carbon content. nickel content in binder and temperature on the thermal diffusivity of WC-Co-Ni hard metals were studied.

本文研究了配碳量、粘结相中镍含量和温度对WC－Co－Ni硬质合会热扩散事的影响。

The adsorption equilibrium constants decreased with the temperature, while the diffusivity increased with temperature.

烃分子的吸附平衡常数随温度的升高而降低，而扩散系数随温度的升高而增大。

Simultaneous temperature and thermal diffusivity measurement of ultra-high temperature material based on multi-spectral technique

基于多光谱技术同时测量超高温材料的温度和热扩散率

A molecular dynamics study of self diffusion on ag ( 100) surface

用分子动力学方法研究Ag（001）表面吸附原子的自扩散现象

Calculation of Solvent Self diffusion Coefficient in Polymer Solution by Percolation Theory

用渗流理论计算高分子溶液中溶剂的自扩散系数

NMR studies on self diffusion coefficients of lithium ions in PAN based gel

PAN为基凝胶聚合物电解质自扩散系数的NMR研究