...酸度测定 英文名称： Plastics - Polyurethane raw materials - Aromatic isocyanates - Determination of acidity 页数： 8 采用标准： ISO 14898-1999,IDT 被替代标准： 归口单位： 引用标准： 分类号： G31 发布日期： 1999-..
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测定给药后大鼠胃液分泌量、胃酸ph、胃液总酸度值、胃蛋白酶活性的变化。
Test the gastric acid secretion, PH, total gastric acidity value, total pepsin activity of change after irrigation.
优选出最佳的测量波长，研究了酸度、显色剂浓度及干扰元素对测定的影响。
Optimum measuring wavelength was selected. The effect of acidity, concentration of chromogenic agent, and interfering elements on the measurement was studied.
确定了碱度、酸度、温度等最佳工艺条件，测定了磷化膜的晶型结构和相关性能。
The best technology concerning alkalinity, acidity and temperature is ascertained and the crystalloid contracture and relevant functions of phosphor film has been mensurated.
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