查询词典 diffusion

"Dialysis In chemistry, separation of suspended colloidal particles from dissolve d ions or small molecules via their unequal rates of diffusion through pores of semipermeable membranes (e.g., parchment, collodion, cellophane)."

渗析法：一种化学分离方法，利用通过半透膜微孔时扩散率的不同，分离悬浮的胶态粒子和溶于液体的离子或小分子的方法。

Our algorithm contains three parts, the fuzzy segmentation part, the colorization part, and the over-diffusion removal part.

在著色时，此遮罩不仅可保留背景留白的特性，更可持物件间的细微镂空之处。

A new block cipher is designed where the diffusion of matrix multiplication is combined with the confusion of specially designed matrix operation to encrypt information.

设计了一种新的分组密码算法，该算法利用矩阵乘法的扩散作用与专门设计的一种矩阵运算的混乱作用实现对信息的加密。

It shows that combustion reaction rate is controlled by diffusion rate in temperature of 500~1000℃.

实验表明在500—1000℃范围燃烧反应是由扩散控制的。

According to theory of diffusion and permeation,and theory of adsorpt ion equilibrium of commixture gas,the mechanism of increasing coalbed methane production by gas injection is studied, with which it is illustrated for enhancing energy of storing gas stratum, heightening pressure conduction coefficient of storing gas stratum and binging domino effect of competition adsorption by gas injection, consequently yield and ratio of recovery of coal bed methane are also enhanced.

依据扩散渗流和多组分吸附平衡理论，研究了注气开采煤层气的增产机制。研究表明，注气增加储层能量，提高储层压力传导系数并产生竞争吸附置换效应，从而提高煤层气开采时的单产量及回收率。

In chapter 3,by means of Comparison Theorem,we investigate the persistence of a prey-predator system with diffusion and delays .

在第二章，我们运用独立子系统方法考虑了一类具有生理阶段结构的竞争捕食-被捕食系统正周期解的存在性及其全局吸引性。

In this paper, A class of diffusion systems with nonlinear source were studied, using comparison theorem and method of upper and lower solutions .

本文利用比较定理与上、下解方法研究了一类具非线性源的扩散系统，证明了该系统整体解的存在性与零解的稳定性，推广了C。

There are many procedures involve cleaning step such as oxidization, extension, diffusion, photofabrication and global complanation in the fabrication sequence of ULSI. The most time of cleaning is 80 times.

在ULSI的制备过程中，氧化、外延、扩散、光刻以及多层布线的全局平面化等工序都要涉及到去除污染物的清洗，清洗最多可以达到80多次。

Khasminskii ([19]) studied the ergodic properties of recurrent diffusion processes on aσ-compact complete metric space.

Khasminskii([19])研究了σ-紧完备距离空间上常返扩散过程的遍历性。

By adding YJ-504 corrosion inhibiting composite concrete additive and adopting the match technique of slag powder and fly ash,the high performance concrete shows excellent properties of low Cl-diffusion coefficient and freeze-thaw cycles ;The property of corrosion inhibition on steel of YJ-504 corrosion inhibiting additive satisfies completely the demands of related standard.

采用YJ-504复合型混凝土防腐阻锈剂，辅之以矿渣粉和粉煤灰双掺技术配制的高性能混凝土，表现出优异的抗氯离子扩散、抗冻融循环破坏性能；YJ-504复合型混凝土防腐阻锈剂的阻锈性能完全满足相关标准规定要求。

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。