The molconvert ratio of L - DOPA was 82.8 % from catechol.以邻苯二酚计的转化率为82.8%.Synthesis of terpene - catechol resin from terpene resin and catechol was reported in this paper.以萜烯树脂和邻苯二酚为原料,合成了萜烯 - 邻苯二酚树脂.The research progre...
她将自己无瑕的肌肤归功于所使用的保湿霜。She attributed her flawless complexion to the moisturiser she used.她穿了一身洁白无瑕的衣服。She was dressed in virginal white.她23岁,高个子、白肤 、 金发碧眼, 是个纯洁无瑕的姑娘.She's tall, blonde, twenty - three and as pure as t...
The drift of the icebergs in the sea endangers the ships.海上冰山的漂流危及船只的安全.The spread of urban areas endangers wildlife.扩大城市面积危害着野生物.Any deviation from this pivotal task endangers our material base.离开了经济建设这个中心,就有丧失物质基础的危险....
The Bering Strait separates Asia and America.白令海峡隔开了亚洲和美洲。The single most important factor that separates ordinary photographs from good photographs is the lighting...区分普通照片和出色照片的一个至关重要的因素就是光线。Electrophoresis is a techni...