查询词典 flow resistance

Yin Gete shows the perforated pipe installed in the standard plate resistance is by the sound hole of the flow Mach number, and coefficient proportional to the beam.

因葛特证明，装在管路中的穿孔平板其标准的声阻是与通过小孔的流束的马赫数及系数成正比。

The problem is mainly caused by primary air pipe resistance property variation,which caused the excessive opening of movable blades,the primary fan is working on the condition of higher wind pressure and lower flow.The approaches to reduce the speed stalling of primary fan and preventive measures are put forwa...

主要原因为一次风管阻力特性的变化，使一次风机动叶开度过大，一次风机工作点处在高风压区低流量的工况点，是造成一次风机失速的主要原因，提出了运行中减少一次风机失速机率的处理方法及预防措施。

Passive expiratory flow volume technique was used to examine respiratory system static compliance and total airway resistance.

通气功能、功能残气量、呼吸系统静态顺应性、潮气呼气峰流速随月龄增大而增大，符合婴儿生长发育的规律，1～4月婴儿发育最快。

B. In order to further reduce the stopcock of the hoisting force to resist, commonly used methods to reduce cocks in diameter, so plug valves usually rectangular flow channel, this method in reducing the torque plug valves headstock the same time, increases the stopcock of the fluid resistance C.

B。 为了进一步减少旋塞阀的启闭力拒，通常采用减少旋塞直径的方法，故旋塞阀通常采用矩形流道，此方法在减少旋塞阀启闭力矩的同时，增大了旋塞阀的流体阻力 C。

Value of Resin Flow, Peel Strength and Solder Heat Resistance are those of Laminate using AD (40μ m) as adhesive in press-bonding polyimide film (50μ m) with unclad FPC.

粘接剂加热流动，剥离强度和耐锡焊高温性能是指50μ m 的聚酰亚胺薄膜与 FPC，用纯胶粘接时的数值。

All equations of velocity of viscous debris flow at present are not good at all kinds of resistance area.

目前的粘性泥石流平均速度公式还不能兼顾计算所有地区的不同阻力类型的泥石流速度。

Therefore, if the viscous resistance coefficiency is rational selected, this model can be used in calculating the gas flow field of the filter.

因此，如果多孔介质的粘性队力系数选择合理，该模型可以应用于计算过滤器的气相流场。

A number of factors areconsidered including the pressure wave and the viscous resistance in the highpressure oil pipe and the changes of flow areas in the high pressure oil chan-nels.

讨论中考虑了高、低压油管内的压力波动和粘性阻力，以及高压油通道截面变化等因素的影响，同时，对系统中出现的"空腔"现象也作了适当的处理。

Basing on the computing model of liquid viscous resistance of the sucker rod string, damping coefficient of power law flow for sucker rod string is created, using the condition of equivalent merit. Mathematics model and emulate model of the vibration of sucker rod sting are established.

以幂律流抽油杆柱液体粘滞阻力的计算模型为基础，并应用等功条件提出了幂律流条件下抽油杆柱阻尼系数的计算方法，并依此建立了聚驱抽油杆柱轴向振动的数学模型和仿真模型。

The use of the formula for calculating the grain diameter indensimeter method prescribed in "Standard for soil test method" GB/T 50123—1999 is limited to the small global grains with low velocity in a layer flow considering only the viscous resistance and effective gravity.

GB/T50123—1999《土工试验方法标准》中采用密度计法进行颗粒分析时，土粒粒径计算公式是在层流条件下，对低速运动的微小球形颗粒仅考虑介质粘性阻力和有效重力条件下导出的。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐