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modern silicon industry in China
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modern silicon industry in China
Encyclopedia
工学
中国现代有色金属工业
释
modern silicon industry in China
中国现代硅工业
硅工业产品根据其纯度主要分为工业硅(或称金属硅)和多晶硅。一般将从硅矿石经电炉冶炼的产品称为工业硅,含硅量98%左右。以工业硅为原料,经物理或化学提纯后,得到含硅量99.99999%(7N)以上的产品称为多晶硅,多晶硅经定向生长可制得单晶硅,可用于集成电路、电子器件和太阳能电池。中国硅矿储量丰富,主要分布在云南、新疆、四川、甘肃、福建、湖南等省区。
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headphone
Head Portrait of Jade God from Xiaojiawuji Site
Head Portrait of Sargon
head positioning mechanism
headprism
head process
headquarters model
headquarters office building/corporate architecture
Headquarters of the 4th Front Army,Chinese Workers' and Peasants' Red Army
Headquarters of the 7th and 8th Corps,Chinese Workers' and Peasants' Red Army
head related impulse response
head related transfer function
Headright System
heads-and-tails distribution
headshell
headship-rate
Head-Smashed-In Buffalo Jump
heads-of-states conference in Pre-Qin period
headspace gas chromatography
headspace gas chromatography (HSGC)
headspace gas chromatography (HSGS)
headspace sampling
headspace technology
head spacing
headstand projection
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更新时间:2026/10/26 14:43:39