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- Objective To determine the morphologic and physiochemical properties of bovine jugular conduit with valves stabilized by dye mediated photo oxidation. 目的:探讨光氧化反应处理后的牛颈静脉带瓣管道的外观形态、组织稳定性及流体物理性能的特征。
- The Study of Photo Oxidation Mech Anism of PS 聚苯乙烯光氧化机理研究
- Effect of OMMT on thermal oxidative aging of PPC/OMMT nanocomposites was investigated. 研究了OMMT对PPC/OM-MT纳米复合材料热氧老化的影响。
- C 60 SENSITIZED PHOTO OXIDATION OF cis 1,4 POLYBUTADIENES C_(60)敏化的顺-1,4-聚丁二烯的光氧化
- Thermal oxidative aging, thermal oxidative aging kinetics and hygrothermal aging of polypropylene/montmorillonite nanocomposites was especially investigated. 并主要研究了复合材料热氧老化性能、热氧老化动力学以及湿热老化性能。
- The results showed that the reserved values of tensile strength and elongation at break of PPC/OMMT nanocomposites were higher than that of pure PPC after thermal oxidative aging. 结果表明,老化以后复合材料的拉伸强度以及断裂伸长率的保留率均高于纯PPC。
- 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。
- Keep the sun behind you when you take a photo. 拍照时要让太阳留在你的身后。
- He showed me a photo of a family group. 他给我看一张合家欢的照片。
- Many a time have we come across this same photo. 我们多次都见到过这同一张照片。
- He adjusted the shutter before taking a photo. 在照相前,他调整了快门。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- The woman on the photo is my paternal grandmother. 照片上的这个妇人是我祖母。
- He took a lot of photo last sunday, and so do I. 他上星期照了许多照片,我也一样。
- 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。
- The photo made him quite attractive. 照片把他拍得相当英俊。
- 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。
- That photo is a good likeness of David. 戴维那张相片照得很像。
- The average age of the boys in this class is fifteen. 本班男生的平均年龄是十五岁。
- 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。