... Microbial Limits 微生物限度 pharmacopoeia criteria 药典标准 crystals 结晶粉末 Salt form 盐型 crystallization conditions 结晶条件 solvents 溶剂 ...
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Usually, the first step to obtain diffractable crystals is to get crystallization conditions by screening from hundreds or even thousands of reagents , hut it is time and labor cost.
现在一般通过规模筛选的方法从众多的溶液中筛选出可结晶的条件，但是工作量较大，效率也不高。
Under these conditions, crystallization may take 45 minutes or longer.
在这些条件下，可能需要45分钟或更长的时间结晶。
The new separation technology of the high-purity anethole from star anise oil was studied, especially on the optimum separation conditions of freezing crystallization and vacuum rectification.
研究了从八角茴油中分离高纯度茴脑的生产工艺，探讨了冷冻结晶及精馏操作的最佳工艺条件。
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