...谱法；龟芩膏；铅和铜 [gap=369]key word: Flame atom absorption spectrographic methods; Turtle qin paste; Lead and copper ...
基于6个网页-相关网页
研究了初制加工对茶叶铅和铜污染的影响。
The effect of processing on the Pb and Cu pollution of tea was studied in this paper.
据此，本发明分别利用能够让发光带转换至更长或更短波长的铅和铜来替代碱土离子。
Accordingly, the present invention is a good possibility to substitute earth alkaline ions by lead and copper for a shifting of the emission bands to longer or shorter wave length, respectively.
因此，保持加工场所的清洁卫生和调整揉捻机揉筒和揉盘的金属组成是降低茶叶加工过程中铅和铜污染的有效途径。
Therefore, keeping clean in workshop and regulating the metal constitution of rolling machine could reduce the Pb and Cu pollution during tea processing.
应用推荐