它们最大的优点是属于合成材料，因此可大规模生产，而且它们的纯度也很容易控制。
Their biggest advantage is that they are synthetic materials and so can be produced in large amounts; also, their purity can be more easily controlled.
结论：该方法用于测定蛋白纯度，方法准确、可靠，可用于该类制品的质量控制。
Conclusion: the method to determine the purity of albumen is accurate, reliable, and can be applied to the quality control of the product.
在生产过程中控制药物产品的质量，以确保它们符合效价，纯度，均匀性，稳定性和安全标准。
Control the quality of drug products during production to ensure that they meet standards of potency, purity, uniformity, stability and safety.
为达到这种感觉，我特别注意控制好明度的关系和色彩的纯度变化，从而产生一种特殊的秩序感。
In order to achieve this feeling, I specifically tried to create a special sense of order by controlling the relationship of light and the changes of color purity.
该法具有反应温和、易于控制、硫酸消耗少、成本低廉和产品纯度高的优点。
This method has the advantages of easy control reaction, less consumption of sulfuric acid, cheap cost and higher purity of the product.
结果显示，该提纯方法比其它方法回收率高，纯度高，氧化条件柔和，实验过程易于控制。
The result indicated that the purification methods presented could result in high recovery ratio, high purity, mild oxidation condition, and easy control of test in contrasted with other ones.
本发明的制备方法具有操作简单，易于控制，反应一步完成，纯度高，无毒无害等优点。
In the invention, the preparation method has the advantages of simple operation, easy control, one-step finished reaction, high purity, innocuity and the like.
FET和FPT注射液放化纯度大于95%，各质量控制指标符合放射性药物质量要求。
The radiochemical purity of FET and FPT injection was above 95%, and all quality parameters met the quality requirements of radiopharmaceuticals.
本发明方法具有不需要催化剂、成本低、反应平稳且容易控制、产品收率高、纯度高的特点。
The method of the invention has no use for a catalytic agent, has a low cost, is reacting stationary, is easy to control, and has a high product yield and a high purity.
实践表明，使用该法开工对异丁烷纯度要求可由98%降低到90%，同时具有安全可靠、控制稳定的特点。
Practice shows that the needful iso butane purity has been reduced from 98% to 90% and the new method is characterized by safety, reliability and a stable control.
并通过对上述因素的控制获得纯度较好的棒状纳米ha。
And through the control factors the better rod nano HA are obtain.
控制沉淀比、酸度和硫酸铵含量等条件，都可提高稀土纯度，且适合于处理各种料液。
Pretreatmented solution is subjected to double precipitation first with ammonium bicarbonate and then with oxalic acid to obtain pure RE. Precipitating ratio, PH and amount of …
保持金粉过量投料，控制氰化亚金钾溶液的浓缩水量是得到高纯度和高收率产品的关键。
The reduced gold powder was used as a gold source and kept excessive in the process of producing KAu(CN) 2.
保持金粉过量投料，控制氰化亚金钾溶液的浓缩水量是得到高纯度和高收率产品的关键。
The reduced gold powder was used as a gold source and kept excessive in the process of producing KAu(CN) 2.
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