耐久性

Silica fum concrete also controls the alkaline aggregate reaction effectively and improves the d.

硅灰混凝土还可以有效抑制碱骨料反应，提高结构物的安全度和耐久性，延长使用寿

The new design integrates the grippy, protective rubber from previous models with a new shiny stainless steel face plate for added durability.

新设计结合grippy，橡胶防护以往模式面临着新的光泽不锈钢板加耐久性。

Controllable composite grouts belong to stable slurry, and its bleeding rate is smaller than 5%.

可控复合浆液的结石体具有较高的早期强度，结石体的耐久性好。

The process includes making samples using Superpave Gyratory Compactor, selecting gradation by the criterion of stone-on-stone contact and certain air voids in the mix and determining the optimal asphalt content limited by draindown test and expected air voids as the main controllability condition. It is suitable to increase the asphalt content of the mix in the range of expected air voids, which can ensure the compatibility of function and durability of porous asphalt.

该方法采用旋转压实仪成型试件，通过计算法确定初试沥青用量，以石-石接触和一定条件下的空隙率作为设计级配选取的根本依据，在最佳沥青用量的确定中，以沥青析漏损失和空隙率作为主要的控制指标，在设计空隙率的基础上，通过使用纤维增大沥青用量，以保证沥青混合料兼备功能性和耐久性。

Hinoki blades have always been well-known for their stiffness, high speed and durability.

hinoki叶片一直是著名的为他们的刚度高，速度快，耐久性。

Durability of CFRP and GFRP under aggressive environmental conditions such as wet dry cycles, freeze thaw cycles and hygrothermal aging either in an unstressed state or loaded in about 30% or 60% of the initial ultimate load are investigated.

结果表明了本文的CFRP有效搭接长度在荷载与恶劣环境(冻融循环、干湿交替和湿热)共同作用下可以满足耐久性要求。2。

In particular, traffic accident, asphalt pavement damage and poor antiskid performance appears to be prominent in the areas of high temperature and rainfall. Thus,It is of great realistic significance to ensure traffic safety and reduce damage in steep road by evaluate accident rates effectively, to design an inerrable structure of asphalt pavement to , to enhance the antiskid performance and the durability of that in asphalt pavement.

在南方高温多雨气候和景区园道陡坡急弯组合情况下，如何保障景区园道交通安全、合理设计防推移破坏的陡坡路段沥青路面结构和材料、提高沥青路面抗滑和抗滑耐久性，对于保障南方景区园道沥青路面的交通安全和道路质量均具有很现实的意义。

In recent years, academia of archival preservation has made a rich achievement on theory prove of feasibility of measures of protecting against and killing pests,realistic application and lethiferous effectiveness. Whereas research on affect on durability of making materials caused by measures of protecting against and killing pests has not come to systematism.

近年来，档案保护学界在防治措施可行性的理论论证及实际操作方法和杀虫效力方面的研究取得了丰硕的成果，但在防治措施对档案制成材料耐久性的影响方面的研究还未成体系。

This thesis introduces the domestic and international research development on techniques of preventing against and killing archives pests briefly at first, on the basis of advantages and disadvantages of chemical 、 physical、 biological pest-killing techniques and practice of realistic archives preservation,determines to research lethiferous effectiveness of high temperature pest-killing technique、 low temperature pest-killing technique、 microwave pest-killing technique and high pressure nitrogen suffocation pest-killing technique,and affect on durability of making materials of paper archives systemically.

本论文首先简要介绍了国内外档案害虫防治技术研究进展，在分析化学防治法、物理防治法和生物防治法的优缺点及现实档案保管工作实践的基础上，确立系统研究高温杀虫法、低温杀虫法、微波杀虫法、高压充氮杀虫法的杀虫效力及对纸质档案制成材料耐久性的影响。

The trial equipment of Su rui can simulate the most rigorous narural environment, for example high temperature, low temperature, wet and hot, change temperature from high to low, solarization, drench, sandstorm, atomizing and acid, fall down, librate and so on. The trial equipment can use to test the adaptability and wear of all materials, kits and total machines. Now the products have been welcome by many country and areas, like as south-east Asia, Africa, also they select by mant industry, scientific research CO and most University, for example ABB, GP, LG, LELON, NEC, SAMSUNG, SHINCO, KELONG, SOUTH CABLE, STHD, HAIER CO, CHANGCHENG CAR CO, Chinese sciences and technologies Electronics CO, and BEIJIN UNIVERSITY, QINGDAO SCIENCES UNIVERSITY and so on. They all give us the best appraise.

公司研发生产的各类试验设备模拟严酷的自然环境，如高温、低温、湿热、高低温交变、日晒、雨淋、沙尘、盐雾腐蚀、跌落、振动等，适用于对各种材料、元器件和整机的适应性耐久性试验，已为上千家国内及东南亚、非洲等分布于各行各业、科研单位及大专院校的客户所选用，其中包括ABB、GP、LG、LELON、NEC、SAMSUNG、SHINCO、科龙电器、南方电缆、希捷硬盘、海尔集团、长城汽车、航天科技集团、中国电子科技集团等知名企业以及北京大学、东北林业大学、青岛科技大学、广西电子质量检测所、福州电子质量检测所等单位院校，且反应良好。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。