您要查找的是不是:
- Photooxy-degradation(aging) will happen to polymer when they accept UV-irradiation of the sun especially weak bond or unsaturated bond as diolefine exist in macromolecular chain. 聚合物尤其是存在弱链键和双烯结构的大分子链,在接受太阳紫外线辐射后,易发生光诱发的氧化降解反应(老化)。
- The simplest covalently bonded molecule is formed from two hydrogen atoms. 最简单的共价键分子由两个氢原子组成。
- But when layers form weak bonds, any new snow falls on an unstable foundation, and waits for the right trigger. 但当雪层之间的结合较弱时,新下的雪就会落在不稳定的基础上,并等待正确的触发因素。
- The spirit is willing but the flesh is weak. 心有余而力不足。
- Some biological molecules have the form of a helix. 有些生物分子呈螺旋状。
- The reduction cleaves the weak N-O bond. 这种还原反应致使弱的N-O键开裂。
- The shock make me go all weak at the knee. 这件事把我吓得两腿发软。
- You need a strong adhesive to bond wood to metal. 需要强力胶才能把木料粘在金属上。
- You must be weak in the head if you believe that. 你相信那件事可就太傻了。
- This glue makes a good firm bond. 这种胶水粘得很结实。
- He cannot run because he has a weak heart. 他有心脏病,不能跑。
- Common tastes form a bond between the two men. 共同的爱好使两人结交为朋友。
- A fearful person is a weak person. 怕这怕那的人是软弱的人。
- A chemical compound consisting of such molecules. 二聚化合物这种聚合物形成化合物
- Containing molecules consisting of two fused rings. 二环的包含由两个结合的环组成的分子的
- The shock made me go all weak at the knees. 这件事把我吓得两腿发软。
- Substances consist of small particles called molecules. 物质是由叫做分子的微粒组成的。
- His weak chest was a legacy of a childhood illness. 他那瘦弱的胸脯是儿时患病的后遗症。
- The bond that binds the smugglers together is a rope of sand. 把走私犯联接起来的是条沙做的绳子,一碰就碎。
- In a weak moment, I agreed to pay for her holiday. 我一时心软同意了支付她度假的费用。