是电和热的不良导体；混合物中含有某些金属氧化物时，玻璃会呈现出不同的颜色。大多数种类的玻璃容易破碎。
A poor conductor of heat and electricity, glass takes on colours when certain metal oxides are included in the mix. Most glass Breaks easily.
利用某些有机烷氧基金属化合物的热分解，可在玻璃、金属、陶瓷或半导体基片上沉积相应的金属氧化物次级发射膜。
A metal-oxide secondary emission film can be deposited on glass, ceramic or semiconductor substrates by thermal decomposition of an organo-metal alkoxide.
后者是指从被污染地下水中沉淀析出石膏、方解石、萤石以及某些重金属元素的氢氧化物、氧化物、酸式盐和碱式盐的过程。
The technogenic sedimentation refers to the precipitation of gypsum, calcite, fluorite, as well as hydroxides, oxides and salts of some heavy metallic elements from polluted groundwater.
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