计算公式

This paper analyses axial effort between bend and adjacent straight pipe by integral calculation.In this paper it deduces the computing formula of axial effort,which lays a foundation of stress analysis on bend.

项江从弯管的受力分析入手，通过积分计算，分析了弯管与相邻直管段的轴向作用力，并推出了该轴向作用力的计算公式，为弯管的应力分析打下了基础。

Based on the investigation of the growth status of gardens plants with the same site conditions, the important values of populations were calculated with the software of ArcMap, the niche breadth of populations were studied using the Shannon-weinne diversity index, Levins niche breadth index and niche overlap.

通过对立地条件类型相同城市的园林绿地植物生长状况进行调查，运用ArcMap软件计算各种群的重要值；采用Shannon-weinne多样性指标、Levins生态位宽度指数和1994年黄英姿提出的生态位重叠计算公式进行种群生态位宽度的研究，将种群生态位理论运用于生态园林建设中。

This paper studies in detail the dropping cut method which the Bucket Wheel Excavator normally adopts,and on this basis,deduces carefully some more exact formulas of slice depth,width and height in dropping cut ting process.

本文针对斗轮挖掘机经常采用的水平切削方式作了较为详细的分析，在此基础上推导了水平切割时切削厚度、切削高度和切削宽度的较为精确的计算公式，为斗轮挖掘机水平切削时的受力分析和功率计算提供了较为可靠的理论依据。

In this paper, the current research situation of flotation technology and its application in water and waste-water treatment is reviewed. The mechanism of cavitation air flotation and the design mechanism of CAP cell are studied systematically and the design theory of CAF cell is proposed.

本文通过对近年来CAF气浮设备和应用研究成果的回顾，较为详细地分析研究了CAF气浮设备的工作及设计原理，提出了CAF气浮设备设计计算公式，讨论了CAF气浮机设计放大的基本原理和方法，初步建立了CAF气浮设备工作及设计计算理论体系。

According to glow discharge cathode fall theory, a formula of cathode current density was drawn when source electrode discharge.

以空心阴极放电理论为基础，提出了用宏观工艺参数直接计算不等电位空心阴极放电电流放大系数的经验计算公式，并与实测值相符。

So,in this thesis,with regard to the stability and deformation of composite soil-nailing in soft clay foundation pit, the studies listed below were carried out, considering current research and design status of the soil nailed retaining structure. 1 Based on the use of leading pile with soil nailing protection, studied the work mechanism of mini-pile with composite soil-nailing, the model of stability analysis of the composite soil-nailing is established and examined by analysis engineering case.

因此本文鉴于软粘土地区深基坑工程土钉支护结构的研究及设计现状，在前人研究的基础上，就复合土钉支护软粘土基坑的稳定性和变形展开相应的专题研究，主要完成了以下几个方面的工作： 1针对软土条件超前桩的应用，研究了桩加土钉的复合土钉支护机理，建立了复合土钉支护稳定性分析模型和计算公式，并对工程实例进行计算分析，检验了模型。

Numerical simulation of water injection into coal seam throughlong drill hole and determination of its reasonable parameters

用有限元数值模拟方法求解了煤层注水二维、三维非定常渗流方程，用该数值计算模型结合具体实例，主要分析了工艺参数中注水压力、时间和钻孔间距与湿润范围的动态变化关系，给出了选取合理的注水工艺参数的计算公式。

On the basis of experiments, a mechanical model of cold-rolled steel matrix composites is established and a corresponding calculating equation is deduced.

摘要在实验的基础上，提出冷轧钢基复合材料的轧制力计算模型，并由此推导冷轧钢基复合材料的轧制力计算公式。

this paper basis on the current codes,taking axis compressive resistance concrete column bearing capacity formula as constraint condition., taking cost as objective function, taking reinforcement diameter and concrete strength grade as design variables, giving an optimization design, got the best basic parameters which satisfied application conditions,to provide better calculation for the axis compressive resistance concrete colum design.

本文以现行规范为依据，以混凝土强度理论推导出的轴心抗压混凝土柱的承载力计算公式作为约束条件，以造价为目标函数，以混凝土中的钢筋直径、混凝土强度等级为设计变量，对其进行优化设计得到了满足使用条件下的最优基本参数，为轴心受压混凝土柱的设计提供了较好的计算依据。

It is shown that the strength of plane crank designed by theory of stress is not safe enough.

推导出应矩的计算公式，通过两种理论对实例的计算对比，得出应力理论设计的曲杆强度不能保证安全，因此，曲杆必须要用应矩理论加以修正，才能保证达到要求的安全系数。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。