以下为句子列表：
英文: Abstract: The function expression for coefficient of pipeline's local head loss was presented through optimizing fitting to coefficient values listed in tables.The fitting accuracy is acceptable.
中文: 文摘:采用优化拟合法通过对图表中有关数值的拟合，给出了管道阀件阻力系数的函数表达式，具有较高的拟合精度。
更详细...
英文: Based on the principle of hydraulics, the general equation for head loss and the formula for calculation of pressure head along the flexible hoses were worked out, and the method for determination of the maximum and minimum heads and their positions was g
中文: 摘要根据水力学原理建立了软管沿程水头损失的一般方程，得出了软管沿程压力水头的计算公式，给出了确定最大和最小压力水头位置及大小的方法，从计算结果与试验实测结果的对比看，具有一定的合理性。
更详细...
英文: Features short end-to-end dimensions, light weight stainless steel body, and the lowest head loss available.
中文: 主要特点在于端到端尺寸较短，轻型不锈钢阀体，落差损失最小。
更详细...
英文: Obtains the theoretical errors of specific frictional head loss including 42.56% for laminar flow, -12.77% for critical area, 8.51% for turbulence smooth area, smaller than 8.51% for turbulence transition area and neglectable error for turbulence rough ar
中文: 计算得到了比摩阻的理论误差：层流区42.56%、临界区-12.77%、湍流光滑区8.51%、湍流过渡区小于8.51%、湍流粗糙区误差可以忽略。
更详细...
英文: The main achievements are as follows: it is verified that there is an unique mean square solution to the stochastic surge model; the formulas for probability density function of head loss and the maximum relative surge level were deduced; the joint probab
中文: 主要研究成果有：证明了调压室涌浪随机模型存在唯一的均方解；推导出了水头损失和最大相对涌浪值的密度函数计算公式；求解了调压室涌浪解过程的联合密度函数和简单水力系统的水头均值过程等。
更详细...
|
