Dry preparation of carboxymethyl starch for warp sizing by adding alkali twice was studied.

采用两次加碱法工艺，对经纱上浆用羧甲基淀粉干法制备工艺进行了研究。

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The invention also relates to a preparation method of the Ganciclovir freeze-dry preparation for injection.

本发明还涉及该注射用更昔洛韦冻干制剂的制备方法。

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Dry preparation has many advantages such as low cost, excellent product property, no pollution to environment, etc.

干法制备具有生产成本低，产品性能优良，对环境无污染等优点。

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And then they found that they could freeze-dry this preparation of virus, and freeze-drying to lower the temperature, freeze it, then extract out all the water, so you're left with a powder, basically a powdered form of the virus, that could be shipped all over the world, and then reconstituted by adding water to it.

研究者们发现可以冷冻干燥这些病毒制剂,冷冻干燥就是就是降低温度,冷冻病毒,然后提取出所有水份,然后就剩下一些粉末,这主要是粉末状的病毒,这样就能将它运往全世界,并可以通过加水来恢复病毒的活性

耶鲁公开课 - 生物医学工程探索课程节选

When the school officially opened in January 2007, groundskeepers sprayed the dry, yellow grass with green dye in preparation for the arrival of dignitaries like Mandela and celebrity friends like Diane Sawyer and Spike Lee.

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