They then used "very fast and very gentle" purification techniques to obtain ribosome crystals, from which they worked out the structure with X-rays.

然后他们用“非常快速温和”的净化技术得到核糖晶体，通过用X射线研究晶体绘出核糖的结构。

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Use high quality fruit shell as raw material, the gap reasonable structure, widely used in the purification, gas processing, adsorption of toxic gases such as mist.

产品采用优质果壳为原料，空隙结构合理，广泛用于有毒气体的净化，废气处理，漆雾吸附等。

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Described are the structure and features of the compellent exhausting air purification system (applied) in smoking rooms on EMUs in Japan.

介绍了在日本电动车组吸烟室内采用的强制排风空气净化系统的结构和特点。

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