Flavin: Any of a class of organic compounds, pale yellow biological pigments that fluoresce green.黄素: 一组浅黄 、 绿萤光生物色素,在植物和动物组织中分布很广,含量少.The cheaper FNDs fluoresce roughly as well as those produced with an electron beam.此种...
Eating in East Berlin used to be a hazardous and joyless experience.在东柏林就餐曾经是一件危险而且沉闷无趣的事情。Life seemed joyless.生活似乎毫无乐趣。To her, life seems grey and joyless.对她来讲, 人生似乎很乏味....
Continuous application of this drug may lead to sensitization.连续用此药可导致敏化作用。Results The isobutyl chitosan has no cytotoxicity, sensitization, irritation and systemic acute toxicity.结果:异丁基壳聚糖无细胞毒性 、 无致敏 、 刺激及全身毒性作用.When th...
This could intensify the risk of a nuclear exchange.这可能会加剧爆发核战争的危险。The conflict is almost bound to intensify.冲突几乎注定会加剧。We must intensify our educational work among our own troops.我们必须加强自己部队的教育工作....