... molybdenum boat 钼舟 molybdenum oxide 氧化相 molybdenum single crtstal 钼单晶 ...
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气相二氧化硅 Fumed Silica ; gel amorphous silica ; pyrogenic silica
化学汽相氧化法 chemical vapor phase oxidation process
金属氧化物固定相 metal oxides stationary phase
轴向汽相氧化法 Axial Vapor-phase Oxidation Process
气固相氧化催化剂 gas-solid phase oxidation catalyst
液相氧化催化剂 liquid-phase oxidation catalyst
氧化化学气相淀积 oxidative chemical vapor deposition
液相氧化 liquid-phase oxidation ; liquid oxidation
氧化物相铁建造 oxide-facies iron formation
也可以使用气相二氧化硅。
周生贤在一次全国性会议上指出,二氧化硫的排放量与2005年相比已经下降了24.6%。
Zhou told a national conference that sulfur dioxide emissions were down 24.6 percent compared with that of 2005.
早在1997年,《京都议定书》就试图建立一个类似的体系,其目标是到2012年,发达国家的二氧化碳排放量与1990年相比将减少5%。
The 1997 Kyoto Protocol was an early attempt at such a system, with the aim of having developed nations reduce their carbon emissions an average of 5% below 1990 levels by 2012.
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