friction head
英 [ˈfrɪkʃn hed]
美 [ˈfrɪkʃn hed]
摩阻损耗压头；摩擦（损失）水头
双语例句
- Discussion on friction head loss calculation for large diameter PCCP
大口径PCCP管道沿程水头损失计算探讨 - A piece of rough paper is stuck on the side of the box, and when a match is rubbed against it, friction heats the head of the match, making it burst into flame.
在火柴盒的边上贴上张糙纸，当火柴与其相擦时，摩擦使火柴的头发热，使其燃烧起来。 - A friction match with a large head that will stay alight in the wind.
能够在风中燃着的大头火柴。 - The striking of a match shows how the mechanical friction of rubbing the match head is changed into heat energy which in turn starts a chemical reaction which gives off flame and more heat.
当火柴划燃时，火柴头摩擦产生的机械摩擦转变为热能进而产生化学反应而发出火焰和更多的热量。 - Advantages: good toughness, low friction coefficient of the ruby head, long life.
优点：有较好的韧性，宝石头部摩擦系数低，具有超长的使用寿命。 - An analysis method for stability reliability of friction pile based on the subsidence of pile head is proposed.
据此提出了按桩顶沉降准则分析摩擦桩承载稳定性的可靠度方法。 - In general, the friction head is not concerned in the local resistance computation.
通常在计算局部阻力时没有考虑沿程阻力。 - It puts forward reasonable adjustment to each parameter, improvement to process method, strengthening friction lubrication and rational operation to reach the purpose of increasing usage life of expanding head of expander through analysis to pipe expanding process.
通过对钢管扩径工艺分析，提出合理调整各种参数，改进工艺方法，强化摩擦面润滑，合理进行操作，可达到提高扩径机扩径头使用寿命的目的。 - During friction stir welding, the thermal cycle temperature arrives at the maximum value when the stir head travels to the just peinted at the welding, and soon afterwords rapidly declines as the head leaves from the locations.
搅拌摩擦焊接过程中，焊件上任一位置于搅拌头行走到该位置所在垂直于焊缝直线的瞬间，热循环温度达到最大值，并随着搅拌头远离而迅速降低。 - A new method for studying friction factor of head loss
沿程水头损失系数研究的一种新方法 - Installation of console model multi-rope friction hoist's head sheave
落地式多绳摩擦提升机天轮安装 - The dissertation has also analyzed the friction force on plow head and put forward a new calculating method.
本论文还对刨头摩擦力进行了分析研究，提出一种新的刨头摩擦力计算方法。 - Considering the engineering of trail pile in Hubei Jingzhou Yangtze River Highway bridge, the construction process of deep cast-in-place pile under pebble geological structure, the limit load-bearing capacity of single pile, side friction stress and head drag are researched in this thesis deeply.
论文结合湖北省荆州长江公路大桥的试验桩工程，深入研究了江汉平原地区卵石地基深钻孔灌注桩的施工工艺、单桩极限承载能力、桩侧摩阻力和端阻力。 - Experiments are made on locomotion force, velocity, locomotion ability on surfaces with different friction coefficients, and pose of the head cabin.
对机器人的牵引力、运动速度、在不同摩擦系数介质表面上的运动能力、头舱姿态进行了试验。 - The calculation result that is compared with test data and empirical formula result, shows that it is convenient and effective to adopt ANN model to analyze the influential factors of friction factor of head loss.
模型计算结果与试验数据以及经验公式的计算成果比较表明，利用ANN模型进行沿程水头损失系数影响因素评估有效和方便。 - The author discussed the ways of reducing the micro-irrigation system's pressure at work and the functions of antifouling based on the formulation of the friction loss of micro tube emitter head.
本文从微管滴头摩阻水头损失计算公式，分析探讨减少滴灌系统运行工作压力和抗堵塞性能的途径。 - Calculation formula of velocity distribution, boundary layer thickness, friction force and loss of water head are given out, in accordance with the result from theory analysis of similitude solution.
对于速度边界层提出了相似性解的解析结果，给出了速度分布、边界层厚度、摩擦阻力和水头损失的解析计算表达式。 - Examined by practice, the method about the working condition parameter optimization for coal plough and the calculation about friction force on plow head are feasible.
经实践检验，本文的刨煤机工况参数优化方法和刨头摩擦力计算方法是切实可行的。 - However, For pipes with local resistance loss, the friction head loss caused by the viscosity of fluid does exist, which may lead to the calculation error.
但是在形成局部阻力损失的管段中，还会同时伴随产生由于液体的粘性力引起的漩程水头损失，这就造成了这项损失的计算误差。 - 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 friction loss is one of the main factors for the energy consumption, and it includes frictional head loss and local head loss.
其中，摩阻损失是管道输送过程中压力能消耗的主要因素之一。 - The result shows that: dual axle shoulder friction stir welding head tensile strength can achieve the mother material of 78%, but less than single shaft shoulder joint, can achieve single shaft shoulder joint strength of 86.2%.
结果表明：双轴肩搅拌摩擦焊接头的抗拉强度可以达到母材的78%，但低于单轴肩接头，能达到单轴肩接头强度的86.2%。 - As far as the negative pressure friction distribution is concerned, negative pressure values of water hammer for both trunk and branch have achieved limit negative pressure value. ( 7) The further the distance transient source is, the smaller the water hammer pressure head is.
对于负压沿程分布而言，干管和支管的水锤负压值都达到了极限负压值。（7）距离瞬变源越远，水锤压力值就越小。