老化

This was a result of carbonization and nitridation of component during service in high temperature enviromental condition.

而设备正常运行时偶尔异常高温造成钢材性能轻微老化，促进了钢材脆性转变温度升高。

We speculate that AEP2 and OLI1 have evolved during the adaptation of S. bayanus to nonfermentable carbon sources, thereby driving speciation.

这项成果对于未来医学应用有也帮助，可以持续观察粒线体扮演的角色，为癌症与老化方面的研究提供参考。

How to prevent the aging of electrodes is important topic. This thesis novelly proposes to deal with this troublesome problem by using different materials and configurations for EHD driving electrodes.

因此基於防止电极老化之研究动机，本论文率先提出以不同电极材质或构形，来克服此一棘手问题，而使得电液体微帮浦可以长时间运作，并增加流量。

Montmorillonite/styrene–butadiene–styrene modified bitumen composites were prepared by melt blending with different contents of Sodium montmorillonite and organophilic montmorillonite.

因此，提高SBS改性沥青的耐老化性对于延长沥青路面的使用寿命具有重要的意义。

Organophilic montmorillonite/SBS modified bitumen composites were prepared by melt intercalation and their microstructures were charactenzed by XRD and fluorescence microscopy. The physical properties and ageing properties of OMMT/SBS modified bitumen were investigated.

采用熔融插层法制备了有机蒙脱土/SBS改性沥青，利用SRD和荧光显微镜表征了OMMT/SBS改性沥青的微观结构，研究了OMMT对SBS改性沥青物理性能和老化性能的影响。

Samples prepared by sol-gel method have the largest OSC and suitable specific surface area.

采用溶胶—凝胶法制备的储氧材料老化前有较大的储氧量和合适的比表面。

It may dredge the water supplementing channel of the skin, make water penetrate the water preventive barrier of the skin, supplement the lost water due to transpiration of the skin surface, natural ageing, and overtiredness, balance pH value of the skin, improve the dry and water-starved skin, create a transparent and bright skin.

蕴含珍贵的B-香叶酸活性元素并以新鲜玫瑰花瓣为原料制成，可疏通皮肤的补水通道，使水分透过皮肤的防水屏障，补充皮肤因表层蒸腾、自然老化和过度疲劳等原因而失去的水分，平衡皮肤PH值，改善暗哑、缺水的皮肤状况，创造清澈明亮肌肤。

It is used for aging test for wire, cable, the sheath of rubber ( plastics and artificial leather ) and insulation layer, as well as the other high polymer materials under the specific pressure and temperature in the medium of oxy

本仪器适用于电线、电缆、橡胶护套及绝缘层以及其它高分子材料在规定的压力和温度下，在氧气和压缩空气的介质中进行老化试验。

Keywords polypropylene;bumper; paintable ;anti-aging;mechanical property

关键词聚丙烯；保险杠；可漆；耐老化；力学性能

Keywords polypropylene;bumper; paintable ;anti-aging;mechanical property

聚丙烯；保险杠；可漆；耐老化；力学性能

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。