常用生化试剂，级别：high purity grade（高纯级），纯度>99%，用于不可逆地抑制丝氨酸类蛋白酶，比如：胰蛋白酶，胰凝乳蛋白酶，血管舒缓素，枯草蛋白酶，凝血酶。
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...ator grade） 水溶解试验 合格 PH变色范围 3.8(黄色)-5.4(蓝色) 灼烧残渣(以 硫酸盐计) 8.5-11.5% 品级Grade 高纯级 (High pure) 外观Appearance 暗绿色至棕色、黑色粉末或结晶 红外光谱鉴别Infrared spectrometry Conforms 纯度Purity 98.0 to 105.0 % (以干...
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高纯磷酸是指食品级磷酸和半导体级磷酸等高纯度、高浓度的磷酸。
High purity phosphoric acid means food grade, semiconductor grade and other high purity and high concentration phosphoric acid.
以甲醇为原料，氧化铝为催化剂，对甲醇气相催化脱水制气雾剂级高纯二甲醚的工艺条件进行了试验研究。
The process conditions for producing high purity DME of aerosol grade by catalytic dehydration of methanol in gas phase were studied and tested by using alumina as a catalyst.
用二级脱氟处理方法可使高纯煤中氟含量达到实际应用所允许的要求，接近原煤中的氟含量。
The fluorine content in cleaned coal will be nearly same as its original matrix by two grade defluorination treatment.
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