您要查找的是不是:
- The research progress of the aeronautical Perspex aging is presented including aging properties, experimental method, and atmospheric aging lifetime. 摘要介绍了航空有机玻璃老化的研究现状,包括老化性能研究、实验方法研究和老化寿命研究。
- The effect of the sulfur variation on the thermal aging properties of NR tube was investigated by laboratory test. 进行了硫黄变量小配合试验,研究硫黄用量对NR内胎耐热老化性能的影响。
- The dampness & heat aging properties and service life of FRP bracket with pull-extrusion molding were studied. 研究了冷却塔拉挤成型玻璃钢托架的湿热老化性能及使用寿命;
- Age property that returns a value by calculating the difference between the current year and your birth year. 属性,前者表示出生年份,它永远不变,后者通过计算当前年份与出生年份之间的差值返回值。
- The influence of chlorobutadiene rubber(CBR) proportion on the physical properties,aging properties and flame retardance of CBR/CR,NBR or CPE blends was investigated. 考察氯化顺丁橡胶(CBR)用量对其与CR,NBR或CPE并用胶的物理性能、耐老化性能和阻燃性能的影响。
- The dispersion of TiO 2 nanoparticles, mechanical properties, light aging properties and light aging mechanism of HIPS/nano-TiO 2 composites were studied. 研究了纳米TiO2粒子在高抗冲聚苯乙烯(HIPS) /纳米TiO2复合材料中的分散及纳米TiO2对复合材料光老化性能的影响,探讨了复合材料的光老化机理。
- Mooney viscosity, vulcanization curve, tensile strength, lag losing, rebound resilience, aging properties and dynamic viscoelastic properties of vulcanized were measured. 测定了混炼胶生胶的门尼粘度,硫化曲线,硫化胶的拉伸强度,滞后性能,回弹性能有、动态粘弹性能以及老化性能。
- The influence of TMPTA co curing agent on the curing behavior,the physical properties and the aging properties of the peroxide cured EPDM was investigated. 采用三羟甲基丙烷三丙烯酸酯(TMPTA)作共交联剂,研究其对EPDM的过氧化物硫化行为、力学性能及老化性能的影响。
- The drainage system has been aged. 排水系统已经老化了。
- The results showed that the viscosity of mix decreased,the optimum cure time shortened,and the physical properties and aging properties improved by adding TMPTA. 结果表明,TMPTA可降低混炼胶料的粘度,缩短正硫化时间,提高交联效率,改善力学性能,提高耐老化性能等。
- He prefers to assort with people of his own age. 他更喜欢与自己的同龄人交往。
- The aged is taken care of in the old folks home. 老年人在养老院里受到照顾。
- The progress of the aging property of solid propellant were reviewed. 综述了国内外推进剂材料老化性能的研究进展。
- 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。
- 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。
- 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。
- The sick and the aged need our help. 病人和老人需要我们帮助。
- It was difficult to tell his exact age. 很难判断他到底多大岁数。
- The aging properties of lead metaniobate piezoelectric ceramics have been investigated. The result indicated that the additives accumulate in grain boundary caused the material having good aging properties. 对偏铌酸铅压电陶瓷的老化性能作了一些探讨,实验表明,掺杂改性后的偏铌酸铅显微结构发生了变化,晶界处有杂质分凝使得该材料老化性能好。