backward reaction 中文意思是什麼
backward reaction
解釋
逆向反應-
If an arm is stretched forward under water resistance is increased and a reaction force backward is developed, both of which would contribute to negative acceleration
如果手臂在水中是向前伸展則阻力會隨之增加而向後方的反作用力也會出現，二者都會產生負加速度。 -
Connect the microphone, adjust the sound control panel to make the sound ' s reaction speed is moderate, adjust speed, backward play speed and lasting time
連接好麥克風，調試聲控劃塊，使得聲音的反應適中，調節速度、倒放倍速和持續時間。 -
In the numerical solution algorithm, the method of characteristics, analytic method and galerkin finite element method ( galerkin - fem ) can be chosen to solve the advective equation, diffusion equations, reaction ( source / sink ) equations, propagation equations and pressure poisson equation, respectively. the developed new algorithm has been verified using analytical solution of circular conduit flow in a reynolds number range of 100 < re < 1 000 and experimental data of the laminar flow over a backward - step facing step. the flow properties are well characterized by this three - dimensional numerical model
本論文在評述三維粘性流動數學模型已有研究成果的基礎上，著重在數值計算方法的選擇和定解條件的給定對數學模型計算結果的影響進行了研究，並首次提出了求解三維純對流方程的高精度的擬協調單元法，建立了三維低雷諾數re流動的數學模型，並在圓管流動、臺階突擴矩形管道流動中得到驗證和應用。
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