基于一维静止激波理论和理想“等效气体”模型,实验确定了粒子的有效阻力系数。
On the basis of one-dimensional stationary shock theory and perfect "effective gas" model, the effective drag coefficients are determinated experimentally by pressures of relaxation zone.
很明显,因此,我们应选择舵形象和规模,让有效指导之间,直线稳定性和阻力最好的折衷办法。
Obviously, therefore, we should select the rudder profile and size that gives the best compromise between effective steering, straightline stability and drag.
趋势分析使我们能够更有效的贸易市场,明确界定各级的支持和阻力。
Trendline Analysis allows us to more effectively trade the market by clearly defining levels of support and resistance.
当你推着满满的手推车时,你其实在做有效的阻力训练,让你的手脚和身体都更结实。
As your trolley fills up, you're effectively doing resistance training, firming up arms, legs and torso.
对游泳技能有贡献的特质被命名为“生物力学”,因为它们涉及到身体在水中移动的阻力和有效利用肌肉力量推进这些因素。
"The qualities that contribute to swimming skill are termed" biomechanical "because they involve factors responsible for resistance of the body's movement through water e." g.
表面电渗法可有效地减少煤的切向阻力,但电极分布对电渗效果有很大影响。
Surface electroosmosis method can reduce coal tangential resistance but the pole distribution affects the result of reducing resistance.
表面电渗法可有效地减少煤的切向阻力,但电极分布对电渗效果有很大影响。
Surface electroosmosis method can reduce coal tangent ial resistance but the pole distribution affects the result of reducing resistance.
研究结果表明:外扩散过程是传质的控制步骤,增大风速、减小吸附剂颗粒直径是减少传质阻力的有效措施。
The results show: external diffusion is control process for mass transfer, and increasing air velocity and decreasing particle diameter are effective measures to decrease mass transfer resistance.
导向支架过载保护,能自动均衡锯齿阻力,有效延长锯带使用寿命。
Stand-oriented Overload Protection to automatically balanced serrated resistance, effectively extending the service life with a saw.
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;
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.
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。
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.
减阻剂的作用区域在流体的湍流区,它能有效的降低流体阻力增加流量。
Working area for drag reduction agents (dra) is in turbulence area, and it can reduce resistance as well as increase transportation effectively.
与水驱相比,微生物驱油可降低启动压力梯度,降低渗流阻力,扩大有效驱动距离。
The experiments show that microbe solution flooding can decrease the threshold pressure gradient, lessen the flow resistance, and extend the effective drainage distance.
按照所确定的结构制作了几何比为1:2 . 5的实验模型,模型实验结果表明,本文的数值模拟方案具有令人满意的精度,对于船用排气消声器阻力特性预估是非常有效的。
The scale of experiment model is 1 to 2.5. Model experimental results show that numerical simulation is very effective for forecast of resistance characteristics of Marine exhaust mufflers.
集料盒外包粉碎室四周设计,可有效防止粉碎时粉碎料漏出最佳剪切角度,阻力小,不容易卡死,提高削切效率;
Aggregate box outsourcing crushing room design, can effectively prevent the leakage of crushing crushing the best shear angle, small resistance, not easy clamping, improves the cutting efficiency;
采用双空滤高位进气方式,有效降低发动机进气阻力和灰尘侵入,提高了发动机的使用寿命。
Using double air filter adopts high intake, effectively reduce the resistance and dust into the engine intake, improving the engine life.
试验和分析结果表明,该系统在一定的速度范围内可以有效地测试航行器模型所受摩擦阻力,满足了设计要求。
Experimental and analytical results show that the system can be used to study the friction drag of the vehicle models at certain speed range, which full-fills the design demand.
通过阻力分析和对膜清洗的研究,得出各阻力对膜过滤性能的影响,并提出较为有效的膜再生方法。
The influence of different resistances on the performance of filtration and the effective methods for membrane regeneration were obtained, though resistance analysis and studies on membrane cleaning.
结果表明:基于净锥尖阻力的相关关系比其他经验方法具有较高的精度,可以有效地预测该地区泻湖相沉积土的固结屈服应力和超固结比。
It is shown that the correlation based on the net tip resistance has much higher accuracy for estimating the consolidation yield stress of lagoonal deposit soil than other methods.
研究表明:放顶煤开采、提高支架工作阻力可以减缓煤壁压力,煤体合理注水可以提高煤体黏聚力与抗剪强度,它们是防治极软煤层煤壁片帮的有效措施。
The following research results are obtained: the top coal caving technique and increasing the resistance of the support can reduce the pressure on the coal wall.
更有效的滑行、减少阻力,可以降低对运动员至关重要的须臾的比赛用时。
Gliding more efficiently, with less drag, can cut vital fractions of a second from a swimmer's time.
并对反应速率常数和有效扩散系数、表观反应活化能和有效扩散活化能及反应过程中各步骤阻力进行了分析。
Reaction rate constant, effective diffusivity, apparent activation energy, effective diffusion activation energy and resistance in various steps of the reaction process were analyzed in this paper.
克拉伦斯打开他的指导如何“更有效的管理”的小册子,给费利克斯看其中说明人们在引进新的、有创见的项目时必须要预见到的阻力的那一部分。
Clarence opened his pocket guide to "Managing More Effectively," and showed Felix the part about how one must always expect resistance when introducing new, innovative programs.
通过数值计算方法,模拟回转体在水下的航行,分析回转体周围流场、压强及其壁面上阻力的分布,并根据计算结果为该回转体设计了有效的微气泡减阻方案。
The flow field surrounding the revolving object, pressure and resistance distribution on its wall were calculated in order to design a micro-bubble reducing resistance scheme for the revolving object.
本项研究表明,光学流态显示和数字图象技术相结合,可以有效地揭示汽车的尾流结构,诊断阻力来源。
The results show that it is effective, by combining the laser flow visualization and the digital-image processing technology, to reveal the structure of car's wake and to determine the source of drag.
研究结果表明,外扩散过程是传质的主要阻力,增大风速、减小吸附剂颗粒直径是减少传质阻力的有效措施。
The results show: external diffusion is the main resistance for mass transfer, and increasing air velocity and decreasing particle diameter are effective measures to decrease mass transfer resistance.
通过动力学分析,得到了对于单叶双曲面平板直刃滚筒式切碎器切割秸秆层切割阻力矩的数学模型,经过试验验证验证了其有效性。
Based on the mechanics analysis, the mathematical model of the cutting torque was established, and the validity of the model was demonstrated by the experiments.
本 发明的左、右两个托辊具备从35度至60度的自由调整功能,可有效降低压陷阻力。
The left supporting roller and the right supporting roller have free adjustment function from 35 degrees to 60 degrees, and can effectively reduce the sag resistance.
为了在水池内测出船模拖曳时锚链在水流中的阻力系数,设计了一套简单而有效的实验方案。
A simple and effective experimental design is presented in this paper to determine anchor chain drag coefficient in a towing tank.
为了在水池内测出船模拖曳时锚链在水流中的阻力系数,设计了一套简单而有效的实验方案。
A simple and effective experimental design is presented in this paper to determine anchor chain drag coefficient in a towing tank.
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