But the larger starting frictional resistance.
但起动摩擦阻力较大。
It has enough energy to overcome the frictional resistance in valves and registers.
它有足够的能量克服阀门和记录器的摩擦阻力。
Rolling material support ball is set, to minimize fish tail with sheet bar and to reduce frictional resistance.
滚动托料球,减少板料划伤,并可减少摩擦阻力。
And the mechanism causing the difference is also analyzed based on the concept of negative frictional resistance.
并根据打桩引起的桩负摩阻力概念对两类桩基沉降差异的机制作了分析。
An automatic detection device was developed to measure the frictional resistance force between the tracks on the brackets of car seats.
为了检测汽车座椅支架上下滑道的阻力,设计了滑道阻力的检测装置。
Analysis the causes and results of the phenomenon that calculating of frictional resistance in industrial pipe-line design is not accurate enough.
分析了目前工业管道设计中存在沿程阻力计算不够准确这一现象的原因及由此产生的后果。
To find out a new method for decreasing-adhesive force and frictional resistance, this paper re- searched on the Elaphe rufodorsata s ventral scale.
为探索减小粘附和摩擦阻力的新方法,本文对红点锦蛇腹部鳞片进行了研究。
Drive tension is caused by resistance of driving force and cutting resistance and frictional resistance and it is not the same value at different places.
锯链的驱动张力是驱动力与切削阻力及摩擦阻力相对抗而产生的,在不同位置其大小不等。
The system has strong ability of increasing viscosity, good prop-carrying capacity, low frictional resistance, less residue after gel-breaking and so on.
冻胶压裂液是一种报道较少的压裂液体系,该压裂液具有增粘能力强、携砂性好、摩阻低、冻胶水化破胶后残渣少等优点。
Since if the frictional resistance coefficient is a function of relative roughness, then the form resistance coefficient is independent of the Reynolds number.
若流线型物体表面的摩擦阻力系数仅为相对粗糙度的函数,则形状阻力系数与雷诺数无关。
A theoretical basis may be provided for analyzing and forecasting the frictional resistance in horizontal drilling. A high calculation precision can be obtained.
该力学模型和理论方法为水平井摩阻分析预测提供了理论依据,并具有较高的计算精度。
The influence of the grouting on the frictional resistance and tip resistance and the sharing condition of load are studied. Some significant conclusions are drown.
通过试验分别研究了注浆对桩侧摩阻力和桩端阻力的影响及荷载分担情况,得到了一些有益结论。
Theoretically the single pile vertical bearing capacity of rock-socketed pile is composed of the frictional resistance, the socketed force and the end-bearing force.
嵌岩桩的单桩竖向承载力理论上应由摩阻力、嵌固力、端承力组成。
The standard value of ventilation resistance and coefficient of frictional resistance is very significant to the ventilation management of the mine as the basic data.
标准风阻值和标准摩擦阻力系数值作为矿井通风技术管理的基本资料对矿井通风管理具有重要意义。
The variation of fouling resistance and frictional resistance coefficient of heat exchanger using connate Yangtze River water as cooling water is tested experimentally.
通过实验方法测试了以原生长江水为冷却水的换热器污垢热阻和摩阻系数的变化。
The structure of the friction-increasing chain effectively increases the frictional resistance between the wheel and the mud pit so that the anti-sliding effect is good.
该增摩链的结构有效增加了车轮与泥坑之间的摩擦阻 力,防滑效果好。
The results of laboratory tests show as follows:The frictional resistance between angle steel and concrete is primarily acting on the front end under the same small load;
试验结果表明:在较小的同一荷栽作用下,角钢与混凝土间的摩擦力主要是由前端部分承受;
This paper expatiates on the causes of negative frictional resistance which may appear on bridge piles, analyses the calculation methods and gives ten methods reducing it.
阐述了桥梁桩基负摩阻力产生的原因,分析了桩基中性点位置确定、负摩阻力计算等问题,并提出了十条有效减少负摩阻力的措施。
At the same time, the revised method can be used to calculate the settlement of a bored pile and that of a foundation pile caused by negative frictional resistance around the pile.
同时,该修正方法可应用到钻孔灌注桩及桩侧负摩阻力引起的基桩沉降计算中。
The frictional resistance factor increases with the increase of the flow velocity, decreases with the increase of temperature and its variation law with the pressure is complicated.
摩擦阻力系数随着流速增大而增大,随着温度的升高而减小,而其随着压力的变化特别复杂。
Finally, the influence of frictional resistance factors on the controlled tensioned stress is discussed and the general principle and requirements of field measurement are presented.
最后讨论了摩阻系数对张拉控制应力的影响,提出现场测试的一般性原则和要求。
This article discusses the changes in properties, in particular with regard to frictional resistance and the enormous reduction in wear, which can be achieved by adding aramid to PA66.
本文讨论了性能上的变化,特别是在改进耐摩擦性和大量减少磨损时的性能变化,这种改进是通过在PA66中添加芳胺纤维达到的。
Combining with a manual berth project in frozen area park, frictional resistance and uplift displacement of piles induced by tangential frozen heaving force are decided by in-site test.
结合寒冷地区某公园人工湖船台工程,通过现场试验,确定船台桩基切向冻胀力作用下的摩阻力值和上拔位移。
Curved traveling crawler machine is relied on a frictional resistance between the crawler treads and ground. This paper gives the calculation of curved traveling on three-crawler machine.
准确地确定了三履带旋转时的瞬时中心的位置与履带面各点的滑动方向及由此产生的摩擦力,对三履带式运行装置转弯工作情况的计算加以说明。
Whether we can correctly understand the frictional resistance characteristics of the modified dry fracturing fluid or not would influence the fracture technology's effective implementation.
对改良的干法压裂液这种非牛顿流体的摩擦阻力特性的正确认识,关系着干法压裂技术的有效实施。
Viscosity: viscosity is the crude oil in the flow caused by the internal frictional resistance, crude oil viscosity depends on temperature, pressure, dissolved gas and its chemical composition.
粘度:原油粘度是指原油在流动时所引起的内部摩擦阻力,原油粘度大小取决于温度、压力、溶解气量及其化学组成。
In this paper, the differential equation for the frictional resistance on the drill string in branch horizontal Wells was established and the total drill string friction during tripping was got.
本文建立了在水平分支井眼中的钻柱摩擦阻力微分方程,并得到了在起、下钻过程中钻柱的总摩阻。
The model of laminar flow in tubes in rolling motion is established. The dimensionless correlation of velocity is derived, and the correlation of frictional resistance coefficient is also obtained.
建立了摇摆条件下圆管内的层流流动模型,推导出无量纲化的速度表达式,得到摩擦阻力系数关系式。
The value of frictional force of soil to pile body and resistance to pile toe has a close relation with the penetration depth and relative rigidity of soil layer at pile body and pile toe.
支承桩的桩身摩擦力和桩尖阻力的大小与入土深度及桩身、桩尖处土层的相对刚度密切相关。
The value of frictional force of soil to pile body and resistance to pile toe has a close relation with the penetration depth and relative rigidity of soil layer at pile body and pile toe.
支承桩的桩身摩擦力和桩尖阻力的大小与入土深度及桩身、桩尖处土层的相对刚度密切相关。
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