There are two main types of uses of radioactive isotopes in biochemistry.在生物化学中,放射性同位素主要有两方面的应用.Nucleon and use of radioactive isotopes to launch particle ionizing air molecules.核子中和利用放射性同位素发射粒子,使空气分子电离.More reactive are...
the many isotopes of carbon碳的诸多同位素Tritium is one of the mildest radioactive isotopes.氚是最和缓的放射性同位素之一.The inferno spewed a deadly plume of radioactive isotopes into the atmosphere.这个象炼狱般的地方将一缕致死的放射性同位素喷入大气层....
Morocco is an independent monarchy.摩洛哥是个独立的君主国家。He's already been to Tunisia, and is to go on to Morocco and Mauritania...他已经去过突尼斯了，还要去摩洛哥和毛里塔尼亚。The couple set off in August from Morocco, drove through the Sahara, v...
He was one of the most formidable intellects of his time.他是他那时代的盖世奇才.Einstein was one of the greatest intellects of his time.爱因斯坦是他的时代里最有才智的人之一.They were both intellects whose work was widely respected.他们俩都是才华出众的人,其工作深受大...
In this paper, the antioxidative function of carnosine and its mechanism are received.本文综述了肌肽的抗氧化特性及其作用机理.Antioxidative activity of Hengshun aromatic vinegar was evaluated by means of DPPH.用DPPH法初步研究了恒顺香醋的抗氧化活性.Objective...
亚胺基杂环丙烷季铵盐的阳离子,一定是按协同反应的方式开环的.The aziridinium ions must all be opened by a concerted process.偶氮杂环丙烷是一类重要的 、 环内张力颇大的化合物.The diazirines are interesting , highly strained ring systems.在最佳反应条件下,环丙烷羧酸异丙酯的产率达92%.Under the opti...