Chitosan is compatibility from the natural N-deacetylated derivative of chitin, and has perfect biocompatibility and antibacterial function with broad-spectrum.

壳聚糖是天然甲壳素经乙酰基反应后的可溶物，具有良好的生物相容性和防腐抑菌性。

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But because any export of PAWS is illegal, the entire trade is banned, Yuri N. Privalov, the minister of natural resources for the Amur region, said in an interview.

但Amur地区的自然资源部长Yuri N . Privalov在一次访谈中说，由于任何形式的熊掌出口都是非法的，所以整个交易都是被禁止的。

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Since rock is basically music for teenagers, rock 'n' rollers have seized on and exploited the natural rebelliousness of teens with much success.

摇滚大体来讲是一种给青少年的音乐。摇滚乐在抓住并且利用青少年叛逆的天性这一点上做的非常成功。

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In the past decade an average of almost 400 events each year have met the U.N.criteria for a natural disaster.

VOA: standard.2009.10.14

In addition, Senate Energy and Natural Resources Committee Chairman Jeff Bingaman, D-N.

FORBES: An Energy Bill Starter Kit

But with its sly humor, iconoclastic wisdom, and mix 'n' match music ethos, the mostly acoustic Natural hews closer to the real spirit of punk than any CD of buzz saw guitars and shouted lyrics.

NPR: The Mekons Go 'Natural'

The Brighton Beach area is sheltered from treacherous tides by the natural barriers of Breezy Point, in Queens, and Sandy Hook, N.

WSJ: Brighton Beach: Brookyln's Swimming Mecca