醚草通 的英文怎麼說
中文拼音 [mícǎotōng]
醚草通
英文
methometon; metometon-
By static tests, studied the uf characteristics of the uf membranes, which have two kinds of intercept molecular eight, and made from pes, pek, spes and spk ， in treating black liquid from basic straw pulp. the result showed : at the condition of static contacting, the pes and spes spk are polluted by composition of black liquid in a less degree, and the pek is in the heaviest edgree. the sulphonaled membranes with higher negative charge have better uf characteristics of black liquid. the uf membranes characteristics of 20 thousand intercept molecular weight are superior to 50 thousand intercept molecular weight
通過靜態試驗，研究了兩種截留分子量的聚醚碸、聚醚酮、磺化聚碸/聚醚碸、磺化聚碸/聚醚酮等超濾膜處理堿法草漿黑液的超濾特性，結果表明：靜態接觸條件下，聚醚碸及磺化類膜受黑液組份的污染程度較輕，聚醚酮膜的污染程度最重；荷負電性較高的磺化類膜具有較好的黑液超濾特性；截留分子量2萬的超濾膜特性要優於5萬的膜。Herba ephedrae was saturated with 0. 5 % hydrochloric acid, the extract was extracted with ether and chloroform respectively, from which ephedrine was separated and purified by column chromatography
以0 . 5 %鹽酸浸泡麻黃草，分別用乙醚、氯仿萃取麻黃粗提物，通過柱色譜法分離提純麻黃堿。
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