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与 ageing 相关的网络例句 [注:此内容来源于网络,仅供参考]

The effect of thermal and anaerobic ageing on the structure and properties of NR vulcanizates was studied.The crosslinking density and distribution of NR vulcanizates during ageing were determined with the method of devulcanization by using the chemical probes,and the physical and dynamic properties were also determined.

研究了热空气老化和真空老化对NR硫化胶结构和性能的影响,采用化学探测剂脱硫的方法测定了老化过程中NR硫化胶交联密度及交联键分布变化的情况,同时测定了硫化胶的力学性能和动态性能随时间变化的情况。

The results show that La can refine the microstructure of Zn-22%Al alloy, slow down the grain growth and reduce the equiaxial degree during ageing, that the strength of Zn-22%Al-alloys and Zn-22%Al alloy remains constant after ageing below the warm-rolling temperature, and that La can improve the strength and the stability of mechanical properties of Zn-22%Al alloy.

结果表明:La具有细化Zn-22%Al合金的组织并阻碍时效时晶粒长大和等轴程度降低的作用;在低于温轧温度(80 ℃)下时效时,加La和不加La的Zn-22%Al合金的室温力学性能保持不变; La可提高Zn-22%Al合金的强度以及时效时力学性能的稳定性。

By adding appropriate copper stearated, melamine, the PVC U products have excellent properties of pulverization preventing and ageing resistance such as inoxidizable, uvioresistant, weatherproof, ageing resistant properties, and excellent heat stabilization.

在户外用PVC U型材配方中加入适量的硬脂酸铜和蜜胺,既可防止PVC U表面的粉化现象,同时又能抑制其耐热老化性能的降低。

Based on the failure analysis of hot roll, this paper optimizedly adjusts alloy system and summarizes the experience of rolling wiresand improves ail processing properties. Then, it analyses the effects on some natural parameters such as alloy transfer coefficient, surfacing layers, welding current and arc voltage etc.. It confirms the fitting ageing technique. Also, it discusses the microscopic structural transformation back and forth ageing and the effects on hardness change of overlaying metal by some alloying elements including C, Cr, V, W, Mo, Ni, Mn, B, Re through OM, SEM and X-ray diffraction analyses. Finally the abrasive resistance, red hardness, thermal fatigue property and anti-high temperature oxidability are investigated in experimentation.

全文在热轧辊失效分析的基础上优化调整合金体系,总结了焊丝轧制的经验,改善各种工艺性能,分析了几个特性参数的影响,确定了适宜的时效工艺,并通过光学显微镜、扫描电镜和X-射线衍射对时效前后的显微组织转变以及部分合金元素如C、Cr、V、W、Mo、Ni、Mn、B、Re对堆焊层硬度变化的影响进行分析,最后通过试验考察了堆焊层金属的耐磨粒磨损性能、红硬性、耐热疲劳性和抗高温氧化性。

The cation radical film exhibits an ageing effect, i.e. the changes in the physical or chemical properties of the film with time, following its deposition. It was found that because of a strong intermolecular interaction, ageing effect resulted in different aggregation states of cation radicals in the deposited film, and the film lost its reoxidation activity.

实验表明,由于分子间存在强烈的相互作用,陈化效应导致沉积膜中阳离子基具有多种不同的聚集状态,并导致沉积膜失去重新氧化的活性。

Again, there are two kinds: increasing ageing and extinguishing and breaking ageing.

当然,这而有两类成长的衰老熄灭和破坏的衰老。

The results show: TiC particulates can act as nucleates of α-Al and enter into α-Al during solidification. They also can act as nucleates of S' phase during ageing, there are a lot dislocations around TiC particalates, which accelerate ageing process of 2024/TiC composites.

研究表明:TiC颗粒能作为α—Al形核核心,在凝固过程中进入α—Al基体;在时效过程中,TiC颗粒可以作为S′相的衬底,其周围存在大量位错,加快了复合材料的时效进程。

Not mainly the ageing of resins and asphaltenes but that of saturates and aromatics cause the ageing of asphalt.

沥青热氧老化的原因主要是饱和分和芳香分的氧化,而不是胶质和沥青质的氧化。

The influence of light stabilizing agents, antioxidant agents, colour masterbatch and filler of CaCO 3 on ageing behavior of speciality was studied by artificial accelerated ageing tests of carbon arc lamp and fluorescent UV-B type light.

选择国产基础树脂与稳定剂,采用碳弧灯和B型荧光紫外灯人工加速老化试验,研究了光稳定剂品种、用量、与抗氧剂的复配及色母粒、重钙母粒对专用料老化性能的影响。

The results show that the damping capacity of Zn-22%Al remains constant for ageing temperature below 80℃, the warm rolling temperature. Traces of Ce and La can improve the damping capacity of water quenched and warm rolled Zn-22%Al, and decrease the reduction of the damping capacity of Zn-22%Al during ageing at 150℃.

结果表明,经水淬后80℃温轧的Zn-22%Al合金在低于温轧温度下时效时,其阻尼性能保持稳定;微量Ce,La的加入,提高了经水淬后80℃温轧的Zn-22%Al合金的阻尼性能,减缓了经150℃时效后阻尼性能的降低。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。