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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The high purity manganese carbonate is prepared by the process of leaching, removing impurities and crystallizing from Guangxi's low grade manganese ore.
采用广西某地低品位碳酸锰矿为原料，以硫酸浸出、浸出液除杂、碳化结晶工艺制备得到高纯碳酸锰产品。
High purity phosphoric acid means food grade, semiconductor grade and other high purity and high concentration phosphoric acid.
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。
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.
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。
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