On the basis of calculation analysis of the theory , the static test research on double - prestress ultra - thin composite structure is made to study its static loaded performance during the course of construction 理论还需实践检验，本文结合二次预应力组合结构试验梁的研究，在理论计算分析的基础上，对试验梁制作过程进行了静力性能试验研究。
By using gpc grogram , the paper calculates the variety of grounding potential with different placements of grounding rods . on the basis of calculations and analysis , the model of grounding grids and current - electrode are presented 使用gpc接地软件计算了各种接地体不同布置时地网外地面电位的变化，阐述了将不同布置情况的接地网等效为一以地网最大边长为直径的圆盘电极的理论。
2 ) on the basis of calculation , evaluation indexes are quantified according to the following four conditions : normal state , regular observation , regular warning and urgent warning . then , the static evaluation threshold value of tie bar is preliminarily determined 2 )在计算分析的基础上,将系杆安全评估指标按正常状态、一般观察、一般预警和严重预警四种状态进行量化,初步确定系杆监测系统的静态评估阈值。
The paper uses data envelope analysis model to analyze urban circular economy operation efficiency and proposes corresponding urbanization strategy on the basis of calculation thus provides theoretical basis for strategic decisions for the relevant government departments 本文运用数据包络分析模型对城市循环经济运行效率进行了分析，并根据计算结果提出相应的城市化推进策略，为相关政府部门的战略决策提供理论依据。
Hi this paper , firstly , a preliminary theoretically analysis of the possible impact of sub - grid land surface heterogeneity on model results is carried out . and then on the basis of calculation with the numerical modeling and the observed data respectively , we discussed the basic characteristics of the influence induced by most sub - grid scale landscape heterogeneities on the estimation of the land surface flux 本文首先从理论出发分析了陆面次网格非均匀性对区域(大尺度模式网格尺度)通量计算存在的影响及原因，继而以数值模拟计算和实测资料计算初步讨论了不同气象要素次网格尺度的非均匀性分布特征及对模式地表各通量计算的影响特点。
The flowsheet design for recycle water of scrubing tailing in the scrubing factory of jinling phosphate mine was introduced . the main equipment in the flowsheet such as hydrocyclones and thickeners were selected on the basis of calculation . the production practice and effects of recycle water was introduced in brief 介绍了晋宁磷矿擦洗厂尾矿的厂内回水工艺流程设计，对回水工艺流程中的主要设备?水力旋流器和浓缩机进行了计算和选型，并简要介绍了回水生产实践及效果。
On the basis of calculation results , the paper still analyzed several defects about end - plate connection calculation model existing in our country ' s current design criteria , furthermore , it proposed so me improvements about end - plate connection calculation model according to bolt force distribution 在计算分析的基础上，本文还分析了我国现行钢结构设计规范在端板连接受力计算模型方面存在的不足，并根据节点受力分析得到的螺栓拉力分布规律，提出了节点计算模型的改进意见。
