Distribution of flow volume for unsteady mass flow in the straight pipe was analyzed and modeled by means of momentum balance and energy balance.
通过动量衡算及能量衡算方法分析并计算了直管内变质量流体流动的流量分配。
Momentum balance equations were established for both x-direction and y-direction, by which bubble growth rate and departure diameter can be calculated.
进而获得了沸腾气泡的生长速率与脱离直径的计算方法。
Based on momentum balance and the law of momentum conservation, two new graphic methods are developed to determine the pre-impact vehicle momentum or collision speed in this paper.
本文根据动量平衡和动量守恒定律的基本原理，提出了两种推算碰撞前汽车动量或碰撞速度的图解方法。
Here's a drill that will help you maintain balance and forward momentum during the breath.
这里有个练习方法将会帮助你在换气时保持平衡和获得持续前进的动力。
The balance calculations were carried out of energy and momentum of reactant flows in an impingement mixing unit used for reaction injection molding.
对反应注射成型机所采用的碰撞混合器进行分析，并就其进料喷嘴及混合室中的物料流动进行了能量及动量衡算。
Walk forward. That means tilt slightly forward from the waist when walking. Bend your arms at the elbow and pump them as you walk. This helps to create momentum and balance.
走路时腰部以上微微前倾 ，肘关节自然弯曲摆动，这有利于产生动力并平衡身体。
It will also make you aware of the importance of a steady kick to your overall balance and momentum.
做端枪练习还能使你意识到不停地打腿对保持整个身体平衡、产生推进力是多么重要。
It will also make you aware of the importance of a steady kick to your overall balance and momentum.
做端枪练习还能使你意识到不停地打腿对保持整个身体平衡、产生推进力是多么重要。
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