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Detailed Calculation formulae of zero, 1〓 and 2〓 order wave-making resistance have been derived and calculation programs have also been compiled.

本文深入研究了新细长船兴波阻力理论，导出0阶、1阶和2阶兴波阻力的具体计算公式，并成功地编制了计算程序。

This paper describes the fluvial ecological water requirement types and the calculation method in water-power engineering,discusses the theory of calculation.

生态需水量是实现水资源合理规划与配置的重要因素。要保证水资源可持续利用，必须保证河流足够的生态需水量。

The hydrodynamic performance and the calculation of induced velocity along flow on the constant point after foil shows that if the effects of tip vortex and decay of vortex panel strength be considered, the accuracy of calculation can be increased. Velocity peak value in propeller wake current and distribution of induced velocity after three-dimensional short foil else can be calculated accurately.

通过对三维短翼的水动力性能和翼后给定点沿流向的诱导速度计算表明：采用考虑翼梢涡影响和涡的衰减影响的计算模型，可以提高三维短翼的水动力性能计算精度；可以准确地计算出螺旋桨尾流场的速度峰值；可以较好地计算出三维短翼翼后的诱导速度分布。

In this design, the calculation of load is very important, according to the result of the calculation, can choose the section of line, the model of the voltage changer, the relaying of voltage and current and so on.

在这次设计中，负荷计算是非常重要的，根据计算结果，可以选择供电系统中线路的导线截面、变压器的型号、电压和电流互感器等主要电气设备的型号。

Through hydraulic calculation, determines and tests mean friction resistance of riser and horizontal branch circuit of new two-pipe heating system, provides reference for its hydraulic design calculation.

本文分析了新双管系统与传统双管系统的不同，提出了确定新双管系统平均比摩阻联值的方法，并通过水力计算，确定并验证了新双管系统中立管与水平支路的平均比摩阻的取值，为新双管系统水力设计计算提供参考。

The basic equations of two-fluid model are established. The physical characteristic parameters of liquid and gas phase are necessary for theoretical calculation and so the calculation methods are listed.

液相的物性参数是理论计算所必需的，本文根据油水两相实验的数据导出了计算油水混合物流动的表观粘度计算式，同时给出了液相和气相其它的物性参数的计算方法。

Finally, based on the theory of Timoshenko beam, a beam model of this crankshaft is built, which is compared with solid model. The results indicate that this beam model can meet the needs of calculation precision and calculation efficiency. With this beam model, the condition in which real loads are put on the crankshaft is simulated. The displacement curves、velocity curves、acceleration curves of the main journals and the pulley of this crankshaft and torsion vibration curve of the pulley are then gained. With these curves, the dynamic characteristic of the crankshaft is analyzed. The conclusion indicates that this crankshaft has good dynamic characteristic.

最后利用Timoshenko梁理论建立了曲轴的梁单元模型，将此梁单元模型与体单元模型进行了比较，结果表明梁单元模型能够满足精确度和计算效率的要求；利用该梁单元模型，模拟了实际条件下的载荷作用时曲轴的响应，得到了曲轴各主轴颈和皮带轮端的位移、速度、加速度曲线以及皮带轮端的扭转振动曲线，分析了曲轴的动态特性，结论表明该型曲轴具有良好的动态特性。

Based on the design and calculation methods for common tight joint bolt, which is subjected to the changing load, a design and calculation methods for flexible bolt is given.

在普通承受交变载荷紧螺栓连接设计计算方法的基础上，给出了采用柔性螺栓的设计计算方法和公式，并以某型柴油机气缸盖螺栓为例，进行了改用柔性缸盖螺栓的设计计算。

Re-calculation of the Gulf region over the next 30 years the probability of earthquake risk; access to the prehistoric earthquake in the time and strength, strike-slip fault with the city's fault slip rate of new information; development of the Gulf region, the new three-dimensional structure of the crust and sedimentary rock velocity model ; Calculation in the Gulf region's history, location and intensity of the earthquake, regional seismicity rate changes over time, little is known about the fault is, unknown thrust fault and the fault rate of seismic activity; development of the Quaternary sedimentary rocks in the area of new digital map .

重新计算海湾地区未来30年地震危险概率；获取史前大地震的时间和强度、城市内走滑断层的断层滑动速率的新的信息；发展海湾地区新的地壳三维结构和岩石沉积岩速度模型；计算海湾地区历史地震的位置和强度、区域地震活动性速率随时间的变化、了解甚少的正断层、逆断层及未知断层的地震活动速率；发展该地区第四纪沉积岩的新的数字地图。

Based on the three-span calculation model and considering the influence of top tower deviation, the new calculation formulas for cable bent are suggested by making use of mechanical and geometrical relationships.

基于三跨计算模型，考虑主塔塔顶偏位的影响，利用力学关系和几何关系得到了新的主缆垂度计算公式。

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％。