Methods: the basic fuchsin method used to show the anoxic cardiac muscle was modified by prolonging the hematoxylin staining time and adding a step of hydrochloric acid alcohol differentiation.
方法：改进显示缺氧心肌的碱性复红法，即延长苏木素染色时间并增加盐酸酒精分化的步骤。
White crystal or offwhite powder, undissolving in water or alcohol, dissolving in concentrated sulphuric acid or hydrochloric acid or ammonia or potassium iodide.
白色结晶或灰白色粉末，见光易分解变成棕黄色。不溶于水和乙醇。溶于浓硫酸和盐酸，亦溶于氨水、碘化钾。
The composite amino acids lauryl alcohol ester was synthesized by lauryl alcohol and the composite amino acids from rapeseed meal which was hydrolyzed with hydrochloric acid.
以菜籽粕水解制得的复合氨基酸浓缩液为原料，与月桂醇酯化制得复合氨基酸月桂醇酯。
Combine with the"S N2 "mechanism, after analyses the reaction process of alcohol and hydrochloric acid, we reasonably determined the industrial process for the production of Ethyl chloride.
前言：结合双分子亲核取代反应机理，对乙醇和盐酸反应过程进行分析，合理确定了工业生产乙基氯的工艺路线。
Methods: In the presence of hydrochloric acid or nitric acid, geranyl sulfone was prepared from geraniol in isopropyl alcohol or THF under reflux conditions for 18 h or 28 h, respectively.
方法：以异丙醇或THF为溶剂，盐酸或硝酸为催化剂，香叶醇与苯亚磺酸钠回流反应18或28h得香叶基砜。
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。
After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.
提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。
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