The result showed that the composition of naphthoxazine was dependent on the polarity of the reaction medium, the stronger of solvent polarity, the less of ring content.

结果表明，该预聚物的成环率和溶剂的极性有关，溶剂的极性越强，成环率越低。

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This kind of air compressor cylinder basically does not include any oil content in, the piston ring and packing is commonly ptfe.

这种空压机气缸中基本上不含油，其活塞环和填料一般为聚四氟乙烯。

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Content Abstract: on the African game preserve where his father works, Akimbo devises a dangerous plan to capture a ring of elephant poachers.

内容简介：在父亲工作的地方——非洲野生动物保护区，阿金波想出了一个相当危险的方法，以夺得偷象者手中的戒指。

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The second obstacle: To get music, videos, ring tones and games out wirelessly, content providers such as Hurray!

FORBES: Chinese Wireless On Sale

Linktone sells ring tones, virtual pets and other forms of wireless content over mobile phones.

FORBES: Stand Out

Marketers and content producers that were on the fence are now going to be throwing their hat in the ring.

FORBES: Nielsen and Twitter: A Game-Changing Partnership That Will Shape the TV Ecosystem