扩散

The diffusion coefficient of 〓 was determined by PITT.

利用恒电流间歇滴定法研究了〓中的锂离子扩散系数。

Dihammus cervinus Bates is one of the main pests of coffee tree in the tropical area of Simao.

咖啡旋皮天牛是云南省思茅热区咖啡树的重要害虫之一，随着咖啡种植面积的扩大，其发生呈扩散和危害加重态势。

At the same time, the important process of technological innovation—the technological innovation diffusion has also been get many governments and scholar's cogitation.

与此同时，技术创新过程中的一个重要环节——技术创新扩散正得到越来越多的关注。

The results indicate that permeability and diffusivity of hydro-gen in various alloys over the experimental temperature range follow arrheniusequations and hydrogen permeation behaviour is not obviously influenced by cold-work and heat treatment of materials, but slightly influenced by the composition.

结果指出，氢在各合金中的渗透率和扩散系数在实验温度范围内均遵循Arrhenius方程，材料的冷加工和热处理状态对氢渗透行为没有明显影响，合金成分略有影响。

Permeability, diffusivity and solubility of hydrogen in austenitic stain-less steels 316L, 316LN, 21-6-9, 21-9-9, 304 and 1Cr18Ni9Ti have been measuredby gaseous permeation technique over the temperature range of 200 to 430℃. Theeffects of composition, cold-work and heat treatment on hydrogen petmeation havebeen investigated.

本工作采用超高真空-气相渗透技术，在200—430℃范围内，测定了氢在316L，316LN，21-6-9，21-9-9，304和1Cr18Ni9Ti等六种奥氏体不锈钢中的渗透率、扩散系数和溶解度常数，研究了合金成分和材料的冷加工、热处理状态对氢渗透行为的影响。

Went showed that this active agent diffused into gelatin from living oat coleoptile tips.

温特证明，这种活性物质从活的燕麦胚芽鞘扩散到凝胶中去。

Additionally solved in the catalyst and gas diffusion layers, as well as in the current collector.

此外，在解决催化剂和气体扩散层，以及在当前的收藏家。

Gas diffusion layer is one of the most important components in proton exchange membrane fuel cell. The contact resistance between current collector and gas diffusion layer is an important part of the total resistance of fuel cell and is also a key factor led to the power loss of PEMFC.

气体扩散层是质子交换膜燃料电池的重要组件，其与极板之间的接触电阻是燃料电池内阻的重要组成部分，也是导致燃料电池功率损失的重要因素。

"Dialysis In chemistry, separation of suspended colloidal particles from dissolved 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。

"Dialysis In chemistry, separation of suspended colloidal particles from dissolved ions or small molecules via their unequal rates of diffusion through pore s 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。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失