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關于hzsm-5催化劑的制備
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想問下A0這個是什么單位哇? 哪位親有hzsm-5合成方面的文獻 求指導 跪謝 ![]() CHNS這個專業(yè)名詞是什么意思哇 |
» 搶金幣啦!回帖就可以得到:
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A CHN Analyzer is a scientific instrument which can determine the elemental composition of a sample. The name derives from the three primary elements measured by the device: carbon (C), hydrogen (H) and nitrogen (N). Sulfur (S) and oxygen (O) can also be measured. Such analyzers usually use very small quantities, many times around 1 to 3 mg of the sample The analyzer uses a combustion process to break down substances into simple compounds which are then quantified, usually by infrared spectroscopy. |
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