On the basis porous carbon , the reactive sintering silicon carbide ceramics were prepared by ihrigizing reaction.以此为基础, 进一步通过渗硅反应,制成反应烧结碳化硅陶瓷.The effect of the sintering temperature on the degrease performance is obviou...
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...
45岁的达芙妮·法洛外貌言谈都还像个稚气未脱的小女生。Daphne Farlow, at forty-five, still looked and spoke like an overgrown schoolgirl.从你的言谈话语中,我看出你打算离开那个公司.I understand by your remark that you intend to leave the firm.她的言谈使我心烦意乱,她的举止也一样.Her spee...
This sighting occurred during my dive to a sunken wreck off Sardinia.这是我在撒丁岛附近的沉船残骸处潜水时所见的景象。a reported sighting of the Loch Ness monster据报道有人看见尼斯湖水怪Have had a shocking UFO sighting or multiple sightings in your life.在生活...
Industrial orders had already fallen in the preceding months.工业订单在前几个月就已减少。the years preceding the war战前的几年The preface to this book is on the preceding page.前边一页是这本书的序言....