摘要：本文是对回收的废旧电路板非金属粉（PCBS)用于水泥砂浆作为掺合料进行了详细介绍。对其机械性质、体积密度、气体含量、保水性、收缩率和水的毛细吸附力等性质进行测试。...
Abstract Quality management system implementation has become a must for construction companiesin some countries to be able to enter tenders. One of the most common quality standards is the ISO9000 quality management standard and many compani...
AbstractConstruction is one of the most hazardous industries due to its unique nature. Measured byinternational standards, construction site safety records in China are poor. This paper aims toexamine the status of safety management in the C...
摘要由于轴承元件间不断的滑动，在一个旋转轴上的有缺陷的滚动轴承的震动信号是一个不稳定状态。正是由于这一原因，基于傅立叶分析的传统的鉴别方式，并不能清晰的发现缺点的...
建筑结构的地震易损性分析是建筑行为预测的基本方法这很可能发生在地震中。通常情况下，失败的概率在指定的时间段内的结构，通过一个卷积的时间结构场地地震危险曲线的脆弱性...
Sizer And Its Related Technologies Surface sizing is more or less the meaning of self-evident. Size does not make paper waterproof, but only delay the penetration of water. Surface sizing you can achieve the same effect. On a specific paper...
本研究的目的是确定一个特定工艺选择的主要驱动程序，来制造印刷瓦楞纸箱。这项研究还探讨了生产采用传统工艺印刷瓦楞纸箱，特别强调小批量印刷的相对成本的估算费用。 传统的...
摘要当前模具应用广泛，与之相关的模具制造技术也有了很大的发展。目前，采用高速切削生产模具已经成为模具制造的大趋势。在一些模具生产厂家，高速机床大面积取代电火花机床...
ABSTRACT The wake of a short aspect ratio cylinder placed in a uniform flow is experimentally investigated. After having characterized the temporal behavior of the Benard-Von Karmim vortex shedding by the use of a classical hot-wire anemome...
摘要在本文中我们提出了仿真研究为解决负载平衡问题在半导体，导体晶圆制造工厂的结果。在瓶颈区域的光刻步进电机，形成几个不同的子组。这些子组拥有不同的尺寸，例如，在掩...
