温度计用来计量在不时冒烟的发动机热量中燃料的扩散程度。
The thermometers account for fuel expansion in the sometimes-blistering engine heat.
本文采用一个简单模型，在仅计质量无序的情况下，由CPA方法讨论了超晶格中界面两侧原子的互扩散对其声子结构的影响。
With a simple model and only considering the mass disorder, we have discussed the effect of interface diffusion on the phonon structure of superlattices by means of CPA method.
概述了同位素封闭体系内的矿物氧扩散和同位素交换机制及其在地质速率计上的应用。
Oxygen diffusion in minerals and accompanied isotopic exchange inclosed systems are discussed with special application to geospeedometry.
本文论述了在胶州湾用罗丹明B作示踪剂，模拟可溶性污染物的稀释扩散，采用水中荧光计现场实地检测及取样实验室分析，共进行了五次实验。
A modeling experiment on the dilution and diffusion of soluble contaminators in Jiaozhou Bay using Rhodamine-B as a tracer was performed five times.
因为纤维催化剂比粒状催化剂的外表面积大得多，而直径却小得多，因而予计对扩散控制的快速表面反应是有利的。
Because of its much larger external surface area and much smaller pore diameter than granular carriers, it is expected to benefit diffusion-controlled fast surface reactions.
因为纤维催化剂比粒状催化剂的外表面积大得多，而直径却小得多，因而予计对扩散控制的快速表面反应是有利的。
Because of its much larger external surface area and much smaller pore diameter than granular carriers, it is expected to benefit diffusion-controlled fast surface reactions.
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