This paper introduces the present situation of the application and development of the international container and in accordance with the present situation and the coming deve lopment of container transportion in China,puts forward the optimum size of LN 2 cold storage container.
介绍了国际集装箱的应用与发展状况，针对我国集装箱运输的现状及未来的发展，提出了开发液氮冷藏集装箱的优选箱型，并就液氮冷藏集装箱绝热材料选择、绝热层制作及其有关问题进行了分析研究。
Optimization of welding sequences of box-like structure based on a genetic algorithm method;
基于遗传算法的箱型结构焊接顺序优化
Buckling behaviour of composite box-like structures is researched by using the arbitrary quaduangular plate (shell) element possessing rotation degree of freedom.
采用带旋转自由度参数C0 类板 (壳 )单元 ,研究复合材料箱型结构的初始屈曲性态 。
Based on the theory of shew slab sedimentation tank and the full exertion of Lamella separator, further improvements were made to the early model, and a new kind of wastewater treatment box-type device was being designed to combine reaction, water distribution and sedimentation into one device.
本装置在同向流斜板沉淀池的理论基础上 ,充分发挥Lamella分离器的优点 ,在改进初期存在的问题的同时 ,将反应、配水及沉淀 3池合为一体 ,这是一种新型废水处理箱型装置 。
Based on the factors that affect the diffusion of vehicle exhaust gas for urban road, the general equation of diffusion box model of vehicle exhaust gas is established by analyzing dimensions.
首次采用量纲分析法 (π定理 ) ,在确定城市道路汽车 (含其他机动车 )尾气污染物扩散影响因素的基础上 ,求导并建立了尾气扩散箱型模式的普遍式 。
Then,a proposal of widening and reinforcing the bridge by installing a box-girder was put forward and finally, the load bearing features and technical and economical advantages of the proposed project was presented.
通过对荥经大桥现状的实地调查,分析了桥梁的承载能力,提出了采用预应力箱型梁进行拓宽加固的改造方案,简要分析了该方案受力特点和技术经济优势。