耐久性

The mechanism of RCC''s metamorphism is expatiate on the hiberarchy of the applying theories and the designed method of the mixed ratio of the cement grout enriched RCC was put forward by studing on the correlativity of grout materials involved in the vibration-diffusion mechanism, the mixed ratio, the cement grout enriched RCC and RCC etc. The durability of antifreezing of the cement grout enriched RCC is enhanced by the improvement and optimization of grout materials.

中文摘要：通过对变态浆材在碾压混凝土中的振动扩散机理，变态浆材掺加量、变态混凝土和碾压混凝土的关联性等的研究，在应用理论基础层次上阐明碾压混凝土变态的机理，提出变态混凝土的配合比设计方法；通过对变态浆材的改性和优化研究，提高变态混凝土的抗冻耐久性。

The mechanism of RCC''s metamorphism is expatiate on the hiberarchy of the applying theories and the designed method of the mixed ratio of the cement grout enriched RCC was put forward by studing on the correlativity of grout materials involved in the vibration-diffusion mechanism, the mixed ratio, the cement grout enriched RCC and RCC etc. The durability of antifreezing of the cement grout enriched RCC is enhanced by the improvement and optimization of grout materials.

通过对变态浆材在碾压混凝土中的振动扩散机理，变态浆材掺加量、变态混凝土和碾压混凝土的关联性等的研究，在应用理论基础层次上阐明碾压混凝土变态的机理，提出变态混凝土的配合比设计方法；通过对变态浆材的改性和优化研究，提高变态混凝土的抗冻耐久性。

Increasing wearing resistance and durability of asphaltic concrete pavement ,reducing temperature suspectibility of asphalt were shown in several previous investigations.

以前的若干调查研究曾表明，使用炭黑添料能增加路面的耐磨性和耐久性、降低石油沥青的温度感应性等等。

This paper briefly introduces the production and the characteristic of high Belite cement, and discusses the main reason of its good workability, high long-term strength and perfect durability,meanwhile,also discusses its adaptability to the climate of Hainan.

简要介绍了高贝利特水泥的生产及其特性，讨论了高贝利特水泥具有工作性好、长期强度高和耐久性好的主要原因及其与海南气候的适应性。

It can be seen from above mentioned that a high performance concrete suitable for dam project can be obtained with high belite cement.

综上所述：采用高贝利特水泥可以配制适合于大坝工程用的高性能混凝土，而且在抗裂性和耐久性上，高贝利特水泥混凝土将比三峡一、二期工程使用的中热水泥大坝混凝土的性能提高一步。

Under the normal test conditions, the initial slump of High Belite Cement Concrete or VC value is similar to that of medium-heat cement concrete as well as the slump loss with time.

该水泥能耗低、环境污染少，同时又具有水化热低、后期强度高、耐久性好等优点，为配制新型的低热高性能大坝混凝土提供了可能。

An object of the present invention is to provide a high-quality biaxially oriented film exhibiting an excellent electromagnetic conversion property, traveling durability, magnetic head traveling performance, etc.

本发明的目的在于提供一种特别是用于磁记录介质时，电磁转换特性、走行耐久性和对磁头的走行性优良的高品质双向取向薄膜。

The combined strength and durability of these fine textured, bunchy grasses bring a unique appeal to this mixture.

这些耐久性的优良性质可以带来独特的景观。

The combined strength and durability of these fine textured, bunchy grasses bring a unique appeal to this mixture.

天然牧草：选自于欧亚大陆和美洲，杰克林爱尔兰混合草种可以忍耐各种各样的土壤和维护。这些耐久性的优良性质可以带来独特的景观。

The macroscopic shrinkage of cementitious materials often causes cracking when it is used as paving material and reduces its durability.

水泥基路面材料在使用过程中常会发生明显的体积收缩趋势，在结构中引起收缩裂缝，降低路面结构耐久性。

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％。