查询词典 concrete layer

In view of the concrete crack image characteristic, it emphatically discussed the recognition system three core issues. Firstly, it particularizes image preprocessing technology for reducing noise of concrete crack image. On the base of anglicizing the noise of specimen crack image and the characteristic of the noise , it propose the scheme that a hybrid filter will be used to reduce noise and introduce the principle of a hybrid filter.

随后，针对混凝土裂纹图像的特点，着重讨论了识别系统的三个核心问题：首先，详细讨论了对混凝土裂纹图像进行降噪的图像预处理技术，在分析了试件表明裂纹图像噪声的基础上，结合试件裂纹图像噪声的特点，提出组合滤波器的降噪方案，并介绍了组合滤波器的原理。

Its pillar industries are concrete pipe, precasting concrete beams.

据此制定出企业总体发展战略。

According to the testing results of high-performance concrete in sulphate erosion environment at Nanjing underground railway project,a prognosticating model of sulphate-resistance erosion is established,which is based upon the disintegration law of concrete,and the project service life is prognosticated by using this model.

根据南京地铁工程高性能混凝土在硫酸盐侵蚀环境下的试验研究结果，初步建立了基于混凝土衰变规律的抗硫酸盐侵蚀耐久寿命模型，并对该工程进行了寿命预测。

Besides strength and workability, many other properties of concrete, such as heat of hydration, have become more and more important in Concrete Mixture Proportioning.

强度、和易性这两个指标之外的混凝土的其它性质日益得到重视。

Combined with the repaving design of existed cement concrete pavement the application of asphalt concrete overlays and other new materials are introduced in order to prolong service period of pavement and improve the water-stable property of asphalt pavement.

结合旧水泥混凝土路面加铺改造的现状，对采用沥青混凝土加铺层改造旧水泥混凝土路面的处治方案及新材料的应用等内容作了介绍，以延长路面使用周期，提高路基的稳定和沥青路面的水稳

Both shrinkage experiments of full-grade concrete and sieved concrete were conducted.

混凝土裂缝会对结构的稳定产生不利因素，为此进行了全级配和湿筛混凝土的干缩变形试验。

The research status of precast concrete structures at home and abroad was indicated. And then a kind of precast concrete frame, whose components are connected by post tensioned prestressing tendons, was introduced in detail. Based on experimental study and theoretical analysis, outline of the design approach of this kind of frame was obtained.

介绍了预制预应力混凝土结构在国内外的研究现状，并着重介绍了一种采用通过后张预应力筋将预制构件连接在一起所形成的柔性连接预制框架结构，在对其进行试验研究和理论分析的基础上给出了设计过程中的一些要点。

In the construction of the super Large-sized reinforced concrete ground of a project, it is required that the concrete be place in one time, with surface being toweled to form pressed finish with the newly placed mortar simultaneously.

某工程大面积超厚钢筋混凝土地坪要求一次浇筑，面层随浇随抹，原浆压光，一次成型，地面浇筑的速度控制、地坪标高及表面平整度控制成为施工难点，因此采取了一系列技术措施，满足了表面光洁、无裂纹、无起砂等质量要求，平整度偏差均小于3mm。

Well over 375 products all designed and manufactured for worldwide distribution include: concrete and mortar mixers; power trowels; concrete and masonry saws; hand held, walk behind and ride on dirt and asphalt compactors and material handling equipment, the products are Right Built to be more productive, reliable, easy to service and easy to operate

我们设计生产了多于375种产品，包括：混凝土和灰浆搅拌机、动力抹刀、混凝土和石工用具、手柄、手扶式和骑压式泥土货沥青压土机以及材料处理设备，我们生产的产品更高效、更可靠、服务更便捷、操作更简单

Tubed reinforced concrete column ; concrete filled steel tubular column ; confinement ; aseismic design ; ductility ; Fiber Rinforced Plastics

套管钢筋混凝土柱；钢管混凝土柱；约束；抗震设计；延性；纤维增强塑料

The United Kingdom has pledged to provide technical assistance to the peacekeeping effort in Darfur, including airlifting supplies and equipment to assist the African peacekeepers.

英国承诺为达佛的維和努力提供技术帮助，包括提供非洲的維和部队空运补給和裝备。

Results: The level of ET-1mRNA in placental villus was significantly higher in pre-eclamptic women than that in control group.

结果：妊高征组患者胎盘绒毛组织ET-1 mRNA的表达较正常妊娠组明显增高。