耐久性

Permeability of ordinary concrete is determined by pervious test and electricity method in this paper, and the relativity of the results of the two methods is researched.

在高性能混凝土的渗透性和耐久性研究中，利用电化学理论对其进行快速评定是目前较常用的一种方法，而传统的透水试验方法则难以实施。

This is to increase the durability and portability of knowledge assets and to protect investments in Service Management capabilities.

这是为了增加知识财产的耐久性、轻便性，保护在服务管理能力的投资。

In the present paper,the mechanism of durability of ceramic fibre in portland cement matrix is also discussed.

本工作还探讨了陶瓷纤维的耐久性机理。

Mechanical properties and durability of ceramic fibre reinforced portland cement composites were studied.

研究了陶瓷纤维增强普通硅酸盐水泥基复合材料的力学性能及耐久性。

The results show that the rolling type lead shear damper realizes the preconcerted aim of better energy dissipation capability on the condition of small displacement.

在充分分析已有阻尼器相关技术性能及适用范围的基础上，发明了耗能效率高、性能稳定、耐久性好、占用空间小、有放大位移及转角功能的新型转动式铅剪切阻尼器。

There are several types and qualities of thermal transfer ribbons to suit the technology of the print head and the durability requirements of the label material and application.

有几种类型和品质的热转印色带，以配合应用技术的打印头和标签材料和耐久性要求的。

Variety of different materials and print materials for the ribbon and the printer has a different application.

又由于多数蜡比树脂软，打印图形的耐久性蜡碳带不如混合基和树脂基，大多数的蜡基碳带只有一层涂层。

Durability and quality rank right behind fit as important considerations.

耐久性和品质是排在合身性之后要重点考虑的。

With the above stringent control of our products and a special dedicated customer service team, all our DVDR products are not only characterized by high density recording capacity, high durability and rapid data transfer rate but also meeting customers requirements .

与上述严格控制我们的产品和特殊专用的客户服务团队，我们所有dvdr产品不仅具有高密度记录容量，高耐久性和快速数据传输率，而且满足客户的要求。

Corrosion of reinforcement in concrete is one of the main factors affecting the durability of reinforced concrete structures.

钢筋腐蚀是影响钢筋混凝土结构耐久性的主要影响因素之一，且造成的危害巨大。

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％。