论文部分内容阅读
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥主桥连续预应力混凝土变截面箱梁2#～7#块、8#、8
Kinetics of Carbothermic Reduction of MnO2 and Catalytic Effect of La2O3
【摘 要】
：
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生、测量监控等方面人手,介绍了S226海滨大桥
【机 构】
：
Institute of Process Engineering, Chinese Academy of Sciences, Beijing, 100080“,”Metallurgy school,
【出 处】
：
北京科技大学学报
【发表日期】
：
2002年1期
其他文献
In order to develop a new type of contact cable with high strength and high electrical conductivity, Cu-Cr alloy series were selected as materials and Cu-Cr all
Correlations Based on CFD and Their Applications in Optimization for Staggered and Parallel Plate Fi
Both parallel and staggered plate fin arrays have shown promise for use in high performance heatsinks regard of its individual manufacturing costs. The geometri
Performances of BPSK, balanced-quaternary modulation, dual-quaternary modulation and complex-quaternary modulation in direct-sequence spectrum-spread (DS-SS) sy
粗糙集理论是一种较新的软计算方法 ,可以有效地分析和处理不完备信息 .本文介绍了知识的粒度、属性的重要度及协调度等概念及计算方法 ,并给出属性的重要度在求属性集的最小
提出了严格第k最小树的概念.利用定长支撑树问题的复杂性,证明了求支撑树的长度分布L(G)问题是NP-C的,从而证明了严格第k最小支撑树问题也是NP-C的.对于k=2的情况, 给出了一
Kinetic equations characterizing double reversible transformations in heating CuZnAlMnNi shape memor
The apparent activation energies and frequency factors of the double reversible transformations occurring in heating CuZnAlMnNi shape memory alloy (SMA) were de
The near-field distribution and far-field pattern of a monopulse ring-focus shaped reflector antenna are studied. The four-fold integral appearing in the formul
目的 :应用系统综合集成预测法探讨洪灾后急感的发病趋势 .方法 :由果及因建立急感构成比数学模型和灰色数列 GM( 1 ,1 )模型 ,分别对 1 998年洪灾后急感发病趋势进行预测 ,
Stochastic resonance (SR) is shown in a two-parameter system, a model of electrochemical oxidation of formic acid on Pt. The driving current and the saturation
The relationship between the types of binary alloy phase diagrams of Vlll and IB group elements and the Men deleev numbers was discussed for the first time usin