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- Hot oxygen aging of SIS thermoplastic elastomer 国产SIS热塑性弹性体的热氧老化性能
- Poly(methyl methacrylate) branched chain in MG molecule structure was destroyed when thermal and oxygenous aging. MG分子结构上的显著变化是聚甲基丙烯酸甲酯支链破坏,热稳定性取决于接枝物结构及其热性能。
- The thermal and oxygenous aging behavior of unvulcanized ENR and MG was studied by using Differential Scanning Calorimetry(DSC) and Fourier Transform Infrare Spectroscopy(FTIR). 用差示扫描量热仪(DSC)和傅立叶转换红外光谱仪(FTIR)研究了环氧化天然橡胶(ENR)和甲基丙烯酸甲酯接枝天然橡胶(MG)塑炼胶在模拟湿、热环境中的热性能和结构变化。
- The rusult showed that the thermal and oxygenous aging reaction of ENR was a self-catalyzed reaction,and the products were acid,aldehyde,ketone,ether,et al. 结果表明,ENR热氧老化反应主要是在环氧键上进行,产物与NR热氧老化的产物基本相似,不同的是ENR的碳碳双键和环氧键都参与了热老化反应;
- Water contains hydrogen and oxygen. 水含有氢和氧。
- The aging football player was playing on the skids. 那个上了年纪的足球运动员很明显地在走下坡路。
- Oxygen enters into many compound bodies. 氧是许多化合物的组成部分。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- Even the best quality rubber will perish with age. 就是最佳质量的橡胶也会因老化而腐烂。
- Mars is too dry and poor in oxygen. 火星上面过于干燥,并且缺乏氧气。
- He come to the fore as a physicist at an early age. 他在早年就成了杰出的物理学家。
- Water is composed of hydrogen and oxygen. 水由氢和氧组成。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- Fish take in oxygen through their gills. 鱼通过鳃摄取氧气。
- Education should not be restricted to any one specific age group. 教育不应限制在任何特定的年龄组上。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- The annular markings on a tree indicate its age. 树的环形纹理显示其年龄。
- The oxygen react vigorously with the impurity in the iron. 氧气与铁中的杂质发生剧烈的化学反应。
- Age and wedlock we all desire and repent of. 成年与婚姻,均为我辈所欲,亦为我辈所悔。
- Her widowhood condemns her to a lonely old age. 守寡使她不得不过着孤独的晚年生活。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries