1)equivalent length当量长度
1.A IG541 fire suppression laboratory and a equivalent length of pipe fittings measuring system were established.设计并建立了IG541管道配件当量长度测量系统和IG541气体灭火实验系统。
2.This paper based on the example, the variable section step-shaft with spline or slot, and according to equal rigidity condition, Presenting calculable formula of equivalent length in accordance with the shaft under torsional working condition.以机械传动中所常见的开有花键或键槽的变截面阶梯轴为例,根据刚度相同条件,推导出了在扭矩作用下变截面阶梯轴所对应的当量长度的计算公式。
3.The model of equivalent length, the feasibility of the evacuation route and the concepts of the coefficient of pass difficulty, ease and danger were put forward.当毒气泄漏时 ,正确的疏散指挥是避免和减少人员伤亡的关键 ,而选择最佳疏散路线又是正确指挥的前提·基于扩散理论和毒物伤害模型之上 ,把事故伤害范围划分为致死区、重伤区、轻伤区和吸入反应区·接着 ,讨论了疏散路径的可行性和当量长度模型 ,提出了通行难易程度系数和危险系数的概念 ;然后根据网络理论的k最短路解法 ,讨论了两点间k条最短疏散路径的求法·最后 ,以某市化工厂的氯气泄漏为例 ,求出从泄漏点到疏散安全地点的 3条最短路线的当量长度分别为 2 4780m ,2 72 2 1m和 386 79m
英文短句/例句
1.Calculation of Local Resistance of Gas Pipeline by Equivalent Length Method燃气管道局部阻力的当量长度法计算
2.Change rate models of equivalent queue length for congested traffic flow拥挤交通流当量排队长度变化率模型
3.Current Connection Queue Length is the current number of connection requests that are pending on the server.“当前连接队列长度” 是指服务器上当前等待处理的连接请求的数量。
4.The wheelbase must have an adequate length too.轴距也应该有适当的长度，因为该参量可以影响底盘强度。
5.dissemination of quantity in length measurement长度计量的量值传递
6.an inch is a measure of length.对是长度的度量单位。
7.The length or measurement of such a seam.这样的缝的长度或量度
8.being of a considerable distance or length.距离或长度相当大的。
9.an ancient Roman unit of length equivalent to 1620 yards.罗马长度单位相当于码。
10.an instrument that shows the extent or amount or quantity or degree of something.测量长度数量或质量或程度的装置。
11.Some measurements are direct, as when we find the length of a table by placing a yard or meter scale beside it.有些测量是直接的，例如当我们求一张桌子的长度时是通过把码尺或米尺放到桌边量出来的。
12.tenth-normal solution十分之一当量浓度溶液
13.Noise equivalent temperature difference (NETD)噪声当量温度差(NETD)
14.height equivalent to a theoretical stage (plate)理论塔板的当量高度
15.pyrometric cone equivalent (PCF)耐火度测温锥当量值
16.Equivalent I.Q. I.Sensitivity象质指示器当量灵敏度
17.An amount or length of film or videotape.尺数，长度影片或录像带的数量或长度
18.4.13 When logging or general overhaul for long time, mud density must be raised to E.C.D. for stable of hole.在电测或长时间停钻检修设备时，将泥浆密度提高到循环时的当量泥浆密度范围。
相关短句/例句
reduced length and reduced period当量长度与当量周期
1.This paper develops a method of an approximate thermal analysis for a regenerative heat exchanger based on the idea of reduced length and reduced period.基于当量长度与当量周期的概念，提出了回转式空预器稳态温度分布的近似解析方法。
3)equivalent queue length当量排队长度
1.Change rate models of equivalent queue length for congested traffic flow拥挤交通流当量排队长度变化率模型
2.The equivalent queue length model is built for a single-lane segment according to conservation equation.利用流量守恒方程,建立了单车道路段当量排队长度模型,并在此基础上,推导出多车道路段平均当量排队长度模型。
4)elbow equivalent弯管当量长度
5)equivalent length等效长度，当量长度
6)equivalent slope length当量坡长
延伸阅读
当量长度分子式：CAS号：性质：计算流体流过管件或阀门的局部(摩擦)阻力时，为方便起见，可将该阻力折算成为相当于流体流过一定长度的直管时的摩擦阻力。这个长度称为当量长度(Le)。例如，当流体湍流流过一个90°标准肘管而直管内径d=50mm时，其局部阻力的当量长度Le=35d，即此阻力相当于流过1.75m直管的摩擦阻力。当量长度的图表可从有关书籍或手册中查出。
