rate of pressure decline

基本解釋

If dark energy density decreased over time, the acceleration rate of universal expansion would decline and potentially cease if the pressure/density ratio reached -1/3.
如果暗能量的密度隨時間降低，宇宙的膨脹速率將出現下降，如果其壓力/密度比達到-1/3，那么宇宙的膨脹甚至會出現停滯。
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Reservoir pressure decline, the increase of recovery rate and the damage of rock structure are main reasons of micro fine migration and sand production during oil recovery process of s…
疏松砂巖油藏開采過程中，油層壓力下降和采油速度的增加以及巖石結構的破壞，是造成油層巖石微細粒運移和油井出砂的主要原因。
It shows that the effects of back pressure on penetration, spray cone angle, and decline rate of centerline velocity and concentration of the spray are greater than that of fuel injection pressure.
背壓對貫穿距離、噴霧錐角、噴霧軸心速度和濃度衰減率的影響均大于啟噴壓力。