METHODS 3 - hydroxy estrogen reacted with dimethyl sulfate in acetone in the presence of potassium carbonate.

方法以含 3- 酚羟基的雌激素类化合物为原料,丙酮为溶剂,在碳酸钾存在下与硫酸二甲醋反应.

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Some proposals about prepassivation of mild steel equipments in hot potassium carbonate CO _ 2 - stripping systems are suggested.

从理论上对热钾碱脱碳系统碳钢设备的预钝化工艺提出了建议.

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The concentration of the chloride in the potassium carbonate was measured by spectrophotometry.

采用硫氰酸汞分光光度法测定工业碳酸钾中氯化物的含量.

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Some suggestions for the development of potassium carbonate industry in China are given.

针对我国碳酸钾工业存在的问题提出了今后发展建议.

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METHODS 3 - hydroxyestrogen reacted with dimethylsulfate in acetone in the presence of potassium carbonate.

方法以含3 - 酚羟基的雌激素类化合物为原料,丙酮为溶剂,在碳酸钾存在下与硫酸二甲醋反应.

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Breadcake: wheat powder. fine palm oil. salt. sodium carbonate. potassium carbonate. vitamin B 2. gardenia.

面饼: 小麦粉. 精炼棕榈油.淀粉. 食用盐. 碳酸钠. 碳酸钾. 维生素B2. 栀子黄.

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