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....
Are children born with taste aversions, or do they learn them?儿童生下来就具有味觉的厌恶呢, 还是他们学会了厌恶 呢 ?Smoking is one of my pet ( ie particular, personal ) aversions.吸烟是我特别讨厌的事.Growing research suggests that odd food yearnings - foo...
" I do leave it alone , " affirmed the accused hollowly.“ 我是不喝酒. ” 受到指责的那个人随口说道.He pauses , listening . FOOTSTEPS approach below, unhurried, echoing hollowly on stone.他停了下来, 倾听楼下那不慌不忙的脚步声在地上回荡.After the dance the littere...
Some regimes are administrated by formal organizations with large budgets and staffs.某些体系由拥有大量预算和职员的正式组织来管理.He and his staffs began throwing furniture out of the window.他和店员们开始向窗外扔家具.Many employers seek diversity in thei...
Only differences in enthalpy are of practical engineering interest.在实际工程上有意义的只是热含量之差.A change in enthalpy also takes place when a change of phase occurs.相发生变化时,焓也发生变化.The enthalpy is constant in the throttling process.节流...