二甲醚喷油延迟角比柴油大，最高爆发压力、最大压力升高率、燃烧噪声比柴油低；
Since the ignition delay of DME is shorter than that of diesel, thus makes the lower value of maximum cylinder pressure, maximum rate of pressure rise and combustion noise.
研究结果表明：气体动力载荷因素中，压力升高率和放热率是影响燃烧噪声的重要因素。
The result shows that the rate of pressure rise and the heat release are the main dynamic load factor that affects the combustion noise.
供油提前角相同时，两者额定工况的放热率图都呈单峰，前者最大爆发压力和最大压力升高率较低。
At the rated power, the HRR for each engine has only one peak, peak pressure and rate of pressure rise for DME engine is lower comparatively.
结果表明：与柴油相比，发动机燃用二甲醚时的喷油延迟期延长，滞燃期缩短，最高爆发压力和最大压力升高率均低于柴油机。
The results show that DME operation has longer injection delay, lower maximum cylinder pressure, lower ratio of pressure rise, shorter ignition delay in comparison with diesel operation.
这一人群中抑郁症发病率逐渐升高也许反应了年轻人的压力很大，诸如上大学或者满足父母或者同辈的高期望。
The growing rate of depression in this group may reflect growing pressure on young people to attend college and meet the high expectations of their peers and parents.
分离压力升高，萃取率呈下降趋势。
The higher separating of pressure was, the lower the rate of extraction was.
随着炉内压力的逐渐升高，三原子气体的辐射强度和发射率均增大，但增大的幅度逐渐减小。
With the gradual rising of the pressure in the furnace, the radiation intensity and emissivity of triatomic gases increase, but the increasing range deduce.
对盐和二甲酚橙的截留率随压力的升高都上升，但上升速度会逐渐减慢。
The flux of water was proportional to the operation pressure, and the rejection of inorganic salts and xylenol orange increased with increasing the operation pressure.
随着肺动脉压力的升高、右心室的扩大、心功能的恶化，患者临床不良事件发生率亦大大增加。
The clinical harmful events were higher in the patients with severe pulmonary pressure and dilated right ventriculus.
影响气举方式选择的因素有：井的产率、井底压力、产液指数、举升高度及注气压力等。
Factors affect gas lift options: the yield of the well bottom-hole pressure, fluid production index, lifting height and the gas injection pressure.
提高进气压力由于进气温度的影响使滞燃期缩短，大EGR率尤其明显，导致碳烟峰值随进气压力升高而增大。
The ignition delay was shortened by increase intake pressure due to higher intake temperature, which resulted in higher smoke, and this phenomenon was more obvious at high EGR rate situation.
并且一定范围内，PET解聚率随解聚反应温度(或压力)的升高和反应时间的增长而增大。
Moreover, the degree of PET depolymerization was increased when the reaction temperature raised or the reaction time prolonged.
光甘草定截留率在低压低浓度下随压力及浓度的升高而升高，在高压高浓度下却呈现下降趋势；
The glabridin retention increased with concentration and pressure when they were low, but declined when they became higher;
光甘草定截留率在低压低浓度下随压力及浓度的升高而升高，在高压高浓度下却呈现下降趋势；
The glabridin retention increased with concentration and pressure when they were low, but declined when they became higher;
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