硕士论文-环己酮催化氨肟化中吸附和反应及扩散机理的分子模拟 - docin.com豆丁网 ight II和 Discover-等。 分子力学方法通过下列三种技术研究分子筛的各种性质 (1) 能量最小化(EnergyMinimization,EM),适用与研究分子筛的晶体 结构、阳离子位置,吸附位及表面结构等。 (2) 分子动力学(Molecul
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所以,其实人们不是小化地球,自己看不起自己,而是地球本来就小得不能再小了。
So, people actually not small of earth, oneself despise ourselves, but the earth was tiny-little.
将柔性药囊储药器集成于泵的入口通道,并置于带有两个环形电极的壳体中,实现了结构的轻小化。
The structure compactness was realized by integrating the flexible drug bag into the entryway of the pump in a shell with two annular electrodes.
本文论述了研磨原理及球体圆度误差趋小化研磨机理;对现有的各种研磨方式的研磨原理、研磨精度、研磨效率等进行了较为全面的比较。
This paper explains lapping principle and the small tendency mechanism of ball roundness error. It compares the principle, precision and efficiency of several high-precision lapping methods.
As carefully as people work with radioactivity here, and using often much, much safer radioactive materials than radium bromide, and using them, and special hoods, and having special procedures, they still do a lot of checking with these Geiger counters to make sure everything's safe.
虽然在这里人们,用放射性物质都非常的小心,而且通常用的材料放射性,都比溴化镭要小得多,并且用的时候,都用特殊的容器,特殊的操作过程,但我们平时仍会用。
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