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ultramicroscopic structure
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ultramicroscopic structure
Encyclopedia
理学
超显微构造
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ultramicroscopic structure
超显微构造
在普遍光学显微镜下观察不能分辨清楚,借助扫描电子显微镜(SEM)、投射电子显微镜(TEM)或电子背散射衍射系统,能观测和测量岩石和矿物各部细微乃至纳米级的结构和构造。
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natural purification
natural purification technology
natural quartz
natural radiation belt
natural radiation level
natural radiation source
natural radioactive decay series
natural radioactive nuclide
natural radioactivity
natural radioactivity survey instrument
natural radio background
natural radioelement
natural radioelements
natural radionuclide
natural range
natural reactor
natural reference frame
natural reference system
natural refrigerant
natural region
natural regionalization map
natural regulation of population
natural regulatory T cell,nTreg
natural release
natural remnant land
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