combining zone

Study on the Al-Fe Combining Zone of Inserting Cast-in Iron Ring Aluminum Alloy Piston

镶圈铝合金活塞铝铁结合区的研究

Comprehensive protection of urban environment usually results in the destruction of environment and ecology in town-and-country combining zone, which suffers from not only the agricultural environmental problem but also the destruction from urban industrial wastewater, solid waste and air pollution.

城市环境的综合治理往往以城乡结合带环境和生态的破坏为代价，使之在遭受农业环境问题影响的同时，又遭受城市和工业废水、固体废弃物及大气污染的破坏。

The space structure evolvement in the Fuzhou urban fringe is researched and explained in this paper by combining urban zone space structure and economic course and space-time method, the develop style in the future are explored.

本研究将把城市地域空间结构与经济运行结合起来，用时空相结合的方法来研究和揭示福州城市边缘区的空间结构演变机制，并探索其未来的发展类型。

Town-and-Country combining zone is a transitional belt between urban and countryside, where environmental problems combine industry pollution with agricultural ecological destroying, showing distinctive particularity and complexity.

城乡结合带是城市与农村之间的一个过渡区带，环境问题集城市工业污染与农业生态破坏于一身，具有明显的特殊性和复杂性。

Firstly, the paper established the finite element model of different thickness TWB and divided the geometric model into non-uniform finite element mesh combining the structural characteristics of TWB. the plasma arc heating zone and heat-affected zone were also considered.

首先结合拼焊板的结构特点以及等离子体弧加热区与热影响区尺寸，建立差厚拼焊板的有限元模型并划分不均匀的有限元网格。

Main Environmental Problems of Town-and-Country Combining Zone and Its Comprehensive Control Strategy

城乡结合带主要环境问题及其综合治理对策

Combining probabilistic factors, this paper used zone model in the deterministic part.

确定性模型采用区域模拟的计算方法,并综合考虑了随机性因素.