The head loss of flume is less, and the average loss is nearly 12% of the total head in upstream.
机翼形量水槽的水头损失较小,平均水头损失约占上游总水头的12%左右。
The backwater and general formula of the local head loss of regulation structures is presented in this paper.
简述整治建筑物的壅水及其机理,归纳出局部水头损失壅水的通用公式。
Chiu and Seman (1971) studied the head loss of flows transporting sediment in circular and square pipes with spiraling motion.
邱和思门(1971)研究了在圆管和方形管中输沙时具有螺旋运动的水流的水头损失问题。
The head loss of the left side is always greater than that of the right side, and the head loss curves don't comply with the second order parabolic law.
非设计工况下流道的水力损失恒大于相同流量时设计工况下的水力损失,左侧的水力损失大于右侧的水力损失,且不符合二次抛物线变化规律。
By making study on the characteristics of mass transfer efficiency-head loss of fiber bundle media, the technical parameters were determined for the fiber bundle filter.
从研究纤维束滤料的传质效率—水头损失特性出发,确定了纤维束过滤器的技术参数。
By making study on the characteristics of mass transfer efficiency - head loss of fiber bundle media, the technical parameters were determined for the fiber bundle filter.
从研究纤维束滤料的传质效率一水头损失特性出发,确定了纤维束过滤器的技术参数。
This paper presents a nonuniform slap door, whose top hinge refrains from impact when the door is opened and the head loss of the water is zero when the door running steady.
本文提出一种新的非均质拍门,可使拍门在启门时顶铰免受冲力,在稳定运行时拍门水头损失为零。
In order to make optimal operation calculation of small hydroplant more accurate and rational, head loss of hydroelectric plant with complex diversion system is analyzed in this paper.
为了使小型水电站厂内优化运行计算的结果更趋准确、合理,对具有复杂引水系统的小型水电站引水损失情况进行了分析。
Based on the analysis of hydraulic theory and experimental data obtained by author, it is confirmed that Chevielev's formula can be used for computing the hydraulic head loss of plastic tubes.
在理论分析和实测资料的基础上,作者肯定了谢维·列夫公式能用来分析和计算塑料管的水头损失。
The computation for the processing head loss of water diversion in the pressure pipe is related to that whether or not the project can reach the designed flowrate or the project can operate safely.
有压管道输水的沿程水头损失计算,关系到工程能否达到设计输水流量和能否安全运行。
Blood vessels in the head tighten to stop the loss of body heat and then relax to let blood flow rise; that sudden rush of blood is what causes the headache.
头部的血管收紧以阻止身体热量的流失,然后放松让血液流动起来,血液的突然涌入是引起头痛的原因。
The sherry went to my head and I was im- poverished for days by the loss of sixpence.
六便士的酒钱落到我头上,接下来几天我几乎身无分文。 这里的女主人叫艾伦?
Two years ago, his elderly mother began showing signs of memory loss after striking her head on the pavement outside her home.
2年前,年岁已高的妈妈在门口的人行道上摔到了头,之后开始出现失忆症状。
The financial rescue plan passed by the US Congress is viewed as flawed but necessary to head off panic in financial markets and loss of confidence in the economy.
人们认为美国国会通过的金融纾困计划有缺陷,但对于防止金融市场中出现恐慌情绪、避免人们丧失对经济的信心,又是必要之举。
Concussions are a type of internal head injury that causes the temporary loss of normal brain function.
脑震荡是一种闭合性脑损伤,它会引起短暂的脑功能障碍。
Hypothyroidism is an underproduction of certain hormones and is the most common cause of patchy hair loss known as alopecia areata (which can affect the whole body and not just the head).
甲状腺功能衰退症就是某种激素分泌较少,这是头发脱落形成斑秃的最常见原因(这可能影响整个身体而不仅仅是头部)。
Men tend to get all the more aggressive when they hit the highways increasing the chances of loss of control over the car, head-on collisions and roll overs.
上了高速公路以后,男司机们会变得更加势不可挡,这样失控、追尾、翻车的概率也就随之升高。
With inherited hair loss, men usually get bald spots around the forehead or on the top of the head, while women have thinning all over the scalp.
男性通常是前额或头顶的头发脱落,女性则是所有的头发变细。
Alopecia areata (mild - medium level) usually shows in unusual hair loss areas e. g. eyebrows, backside of the head or above the ears where usually the male pattern baldness does not affect.
斑秃(早期—中期)通常是在眉毛,后枕部或者是在头的两侧这些本不容易掉头发的地方狂掉头发。
These phenomenon jeopardize the condition of the project seriously, and it is the main factor that influences the loss of local water head.
这些现象严重危害管道的工况,并且是影响阀道局部水头损失的主要因素。
The Newton iteration method is used to solve the economic pressure on the unknown node, so as to calculate the economic head loss and economic pipe diameter of each section,.
采用牛顿迭代法来求解各未知节点的经济水压,进而得出各管段的经济水头损失、经济管径和水源二级泵站的经济扬程。
Actually, in the tube engineering, the proportion of the loss of local water head in the loss of pipeline water head is big.
在实际管道工程中,阀门阀道的局部水头损失占管路水头损失的比例是相当大的。
The basic equations describing unsteady flow in lock manifold are derived, in which various hydraulic loss and inertia head of culvert and ports are included.
在考虑了阀门井水流、各水头损失及廊道和支孔惯性长度的影响之后,推导了船闸廊道复合管非稳定流的基本方程组。
The loss of efficient head of circulation pump in the primary loop of PWR will increase with the increase of resistance coefficient of JetPump under forced circulation.
强迫循环条件下,压水堆一回路主循环泵有效压头的损失随喷射泵阻力系数的增加而增加;
Influential factors of friction factor of head loss are analyzed by adopting artificial neural network (ANN).
采用神经网络(ANN)方法对沿程水头损失系数的影响因素进行了分析。
The flow regime, sediment deposition and the loss of head of two head tanks of the sewage pumping station with different dimensions are studied by using a hydraulic model test method.
采用水力模拟的方法对两个不同结构尺寸的污水泵站高位井的水流流态、泥沙淤积及水头损失等进行了模型试验。
It is an effective method for improving test precision that the water head loss tests of hydropower station inlet section are performed by increasing discharge or raising reservoir water level.
同时采用加大流量法和提高库水位进行进水口段的水力损失试验,对提高试验精度是一个行之有效的方法。
Other causes of hearing loss include earwax buildup, an object in the ear, injury to the ear or head, ear infection, a ruptured eardrum, and other conditions that affect the middle or inner ear.
其他的一些诱发因素包括耳垢、耳中异物、耳朵或头部损伤、耳部感染、鼓膜穿孔以及其他一些可以引起中耳、内耳炎症的因素。
When submersible pumps for wells have qualified efficiency, the high head and flow of impellers will generate reactive power loss.
在效率合格的情况下,井用潜水泵的叶轮扬程和流量偏高时会产生无功损耗。
Usually the cost of printing ink, head loss, by the media, and some film. The figure of waste composition.
通常喷绘的本钱由喷头损耗、墨水、介质、废图和覆膜挂轴等有些构成。
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