片语

outline expansion length ratio轮廓展开长度比

steam expansion ratio蒸汽膨胀比

nozzle expansion area ratio喷嘴扩散面积比

expansion area ratio扩散段截面积比

combustion expansion ratio燃烧膨胀比

expansion device ratio膨胀比

overall expansion ratio总膨胀比

expansion pressure ratio[力]

bandwidth expansion ratio[电子] 频带展宽比；带宽扩展率

英汉例句

• the paper also analyzes the impassability of limit expansion ratio for the injector and the reason why the limit expansion r…

  首次获得了从低膨胀比到超越极限膨胀比限制的高膨胀比的「引射器工作状态试验特性」。

• the expansion ratio is related to the liquid flow rate, fluidization velocity and free descending velocity of the packing material.

  填料膨胀率的大小与液体流量、填料的流化速度及自由沉降速度有关。

• for any given portion of air, the greater expansion ratio allows more energy to be converted from heat to useful mechanical energy meaning the engine is more efficient.

  对于任何给定的空气部分，更强大的扩展比允许更多的精力从热量转换为有用的机械能，这意味着发动机效率更高。

• the large expansion ratio of liquid-to-gas can rapidly build pressure in systems where liquid can be trapped.

  在液体受到束缚的系统里，液体到气体的大膨胀率能够迅速导致压力积累。

• because of the large expansion ratio of liquid to gas, it is very important to provide adequate ventilation in areas using liquid nitrogen.

  因为液体到气体的大膨胀率，为正在使用液氧的地方提供充分的通风非常重要。

• the swelling deformation properties of expansive rock during moisture absorption are studied by means of the expansion ratio tests.

  对南水北调中线强膨胀巖重塑样进行了膨胀率试验，分析吸湿条件下膨胀巖膨胀变形规律。

• the power characteristics of a helical screw expander during its isentropic expansion was studied in detail with the concept of expansion ratio of peak power being proposed.

  本文探讨了以汽水混合物为工质的螺桿膨胀机的定熵膨胀功率特性，提出了峰值功率膨胀比的概念。

• the effect of alcohol on microwave vacuum popping of popcorn according to index of the volume expansion ratio was studied in this paper.

  以膨化率为指标，研究了乙醇对微波真空膨化爆裂玉米的影响。

• moreover, the expansion ratio of scale factor and the variation ratio of string coupling constant are calculated.

  另外，计算了标度因子的膨胀比和弦耦合常数的变化比。

• this paper has simulated two-phase flow in a small expansion ratio nozzle.

  本文对小扩张比喷管内的两相流场进行了数值模拟。

• when touching water, the water shutoff agent will swell. in high concentration brine, the expansion ratio is yet higher.

  该堵剂遇水会膨胀，在高矿化度水中膨胀率也较高。

• this expansion ratio also allows atmospheres of oxygen-enriched air to form in the area surrounding a release.

  该膨胀率还导致排气口附近区域形成富氧气氛。

• a power correlation between expansion ratio and mach number at the nozzle outlet was found.

  并给出了膨胀比与喷嘴出口马赫数之间的幂指数关系。

• according to the expansion ratio tests, the expansive rock has a positive linear correlation with its dry density, and negative linear correlation with its initial water content.

  膨胀率试验表明，邯郸强膨胀巖的膨胀率与干密度线性正相关，与初始含水率线性负相关。

• because of the large expansion ratio of liquid to gas with cryogenic liquids, it is very important to provide adequate ventilation where cryogenic liquids are stored and used.

  因为液体到气体的大膨胀率，为正在使用液氧的地方提供充分的通风非常重要。

• when the expansion ratio becomes larger, both thrust and specific impulse will increase.

  适当增大扩张比能提高微喷管的性能。

• in addition, single factor effect analysis showed that polypropylene fiber has less effect on expansion ratio and relative dynamic modulus.

  此外，通过单因子效应分析可知聚丙烯纤维对膨胀率和相对动弹模的作用效应较小。

• there were five different relationships between the bed expansion ratio and the gas velocity as gas was introduced.

  提出了在液固两相流化床中通入气体后，床层膨胀比随着气体速度的增大而变化的规律具有五种不同类型。

• the long-term expansion potential due to aar of alkaline cement system is discussed with measuring the change of aar expansion ratio of mortar at different age.

  通过测定砂浆经不同养护阶段的堿集料反应膨胀率变化，探讨了堿性水泥系统堿集料反应的长期膨胀潜力。

• the effect of inlet size, inlet angle, dome height, primary nozzle expansion ratio and nozzle numbers on combustion efficiency were taken into account.

  考虑了进气道尺寸、进气夹角、头部距离、一次喷嘴扩张比和喷嘴数目等结构因素对补燃室掺混与燃烧性能的影响。

• with increase of bed height, air pressure and power consumption rise, expansion ratio of the bed decreases, but the density stability and critical fluidized velocity of the bed are hardly changed.

  随着床层高度的增加，所需风压及功率增大，膨胀率有所降低，而床层密度的稳定性和起始流化气速几乎不变。

• expanded graphite(eg) with different expansion ratio is prepared by using graphite with different particle size under the same conditions including oxidization and expansion at high temperature.

  用不同粒度的石墨在相同条件下酸化、高温膨胀，可获得膨胀倍数不同的膨胀石墨。

• laval channel is adopted to the rotor blade top in the condition of high expansion ratio and super critical flow to improve the mass flow and reduce the shock wave intensity.

  高膨胀比超临界涡轮动叶顶部采用缩放通道能够增加通流能力和降低叶栅出口的激波强度；