The results could be used in the crystallization procedure of penicillin G potassium or penicillin G sodium.
试验结果可用于青霉素G钾或青霉素G钠结晶过程。
Penicillin G potassium salt can be oxidized by Hydrogen Peroxide or Peracetic acid to give sulfoxide with a yield of 91.5%.
以青霉素G钾为原料，分别采用过氧乙酸和双氧水作氧化剂合成青霉素G亚砜，收率可达91.5 %。
Soil organic matter and nutrients(e. g. nitrogen, phosphorus and potassium) play important roles in soil fertility.
土壤有机质和养分（氮、磷和钾等）是土壤肥力重要的物质基础。
The scientists observed that even without stimulation, there is a lot of energy transfer between the G protein and the potassium channel, suggesting that they are very close together.
科学家观察到在G蛋白和钾通道之间，即使没有刺激，也有许多的能量转移，这表明它们是非常接近的。
The effects of 2 g PTCs used are better than those of 4 g PTCs, and the yield of azelaic acid is raised as the amount of potassium permanganate increases.
四丁基溴化铵和四乙基溴化铵的催化效率相当；采用2克相转移催化剂的催化效率大于采用4克催化剂的催化效率；壬二酸的产率随高锰酸钾用量的增加而增加。
It makes soils more acid since cations (e. g. potassium and magnesium) are replaced by hydrogen ions.
它能使土壤酸化，因为阳离子(如钾离子和镁离子)被氢离子所代替。
The pollution of potassium permanganate was caused by the point pollution sources mainly, e. g. the waste water from factories and urban families.
高锰酸盐指数主要是由点源污染引起，即工业废水和城镇生活污水的污染为主。
The pollution of potassium permanganate was caused by the point pollution sources mainly, e. g. the waste water from factories and urban families.
高锰酸盐指数主要是由点源污染引起，即工业废水和城镇生活污水的污染为主。
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