expansion ratio
英 [ɪkˈspænʃn ˈreɪʃiəʊ]
美 [ɪkˈspænʃn ˈreɪʃioʊ]
膨胀比
双语例句
- 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。 - Because of the large expansion ratio of liquid-to-gas, it is very important to provide adequate ventilation in areas where liquid oxygen is in use.
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。 - 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，邯郸强膨胀岩的膨胀率与干密度线性正相关，与初始含水率线性负相关。 - The EG with bigger particle size and higher expansion ratio usually has better flame-retardant synergistic effect.
粒径和可膨胀倍数较大的EG具有更好的阻燃增效作用。 - The research on preparation of nano dietary fiber by Microfluidizer homogenizer, and characteristics of T nano dietary fiber, such as surface areas, expansion ratio, water-retaining capability.
本研究利用动态超高压技术研制纳米级膳食纤维，并对纳米级膳食纤维的比表面积、持水力和膨胀率等性质进行研究。 - Theoretical Evaluation on Expansion Ratio and Half-time of Foamed Asphalt
泡沫沥青膨胀率和半衰期的理论测算 - Experimental Research and Prediction of Expansion Ratio of Foamed EVA Plastics
EVA塑料发泡倍率的实验研究与预测 - 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岩重塑样进行了膨胀率试验，分析吸湿条件下膨胀岩膨胀变形规律。 - Experimental study on the expansion ratio of preloaded circular concrete columns with CFRP confinement
带载状态下CFRP约束混凝土圆柱膨胀比试验研究 - Influence of pressure-braise system on the pressure-braise expansion ratio of concrete and cement mortar mixed with MgO
压蒸条件对外掺MgO水泥砂浆和混凝土压蒸膨胀率的影响 - Development of High Expansion Ratio Turbine and Some Problems of its Aerodynamic Design
高膨胀比涡轮的发展及气动设计研究的若干问题 - The variation of salt expansion ratio and collapsibility ratio was a parabolic function of freezing and thawing cycles.
低液限粘土、含砂低液限粘土的盐胀率和粘土质砂的溶陷率与冻融周期之间的关系符合二次抛物线变化规律。 - The results indicate that the expansion ratio increases with the increase in the initial dry density, while decreasing with the increase in the initial water content and vertical pressure.
研究结果表明，膨胀量随初始干密度的增大而增加，随初始含水率和垂直压力的增加而减小； - Study on design technology of turbine& compressor with low Re number and low expansion ratio
低雷诺数和低膨胀比涡轮&压气机组件的设计技术研究 - Exerting DC electric field after injecting low salinity water could reduce effectively the expansion ratio of clay;
施加电场时机对电场降低粘土膨胀率的效果有较大影响：在注入蒸馏水的同时施加电场可以有效防止粘土膨胀； - The apparent volume change during curing process was estimated and the volume expansion ratio of the monomer was calculated (+ 10 44%).
测定了固化过程中的体积变化，估算了该单体的体积膨胀率（＋10.44%）。 - With the increasing of pressure of gas generator under less injector number and expansion ratio, combustion efficiency increase.
在喷嘴数目较少和扩张比较小时，增加燃气发生器工作压强补燃效率增加。 - 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 the characteristics of favorable compatibility with formation fluid, high recovery rate of cutting, little dosage and low expansion ratio at high temperature along with little damage to natural core, favorable test effect has been obtained on-spot.
该防膨剂具有与地层流体配伍性好、在高温条件下对岩屑的回收率高、用量少、膨胀率低以及对天然岩心伤害小等特点，在现场应用中取得了较好效果。 - And the suggestion for raising its expansion ratio by mixing flyash and expansion agent in concrete is proposed.
为此，讨论了混凝土自生体积变形的影响因素和规律，同时提出了通过掺入粉煤灰和膨胀剂来提高混凝土自生体积变形的膨胀量。 - 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。 - Dispersity of gas flow can be enhanced and afterburning efficiency can be improved by increasing primary nozzle numbers and nozzle expansion ratio.
增加一次喷嘴的数目和加大喷嘴的扩张比增加了燃气的分散性，提高了补燃效率。 - 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。 - _,__0 the experimental parameter, Researched the influence of particle diameter, particle size distribution, static bed heights and superficial gas velocity to the bed expansion ratio;
研究了大颗粒流化床中物料的粒度组成、静床层高度和床层表观风速对床层膨胀比的影响，研究了床层中的压力分布以及压力脉动的变化。 - With the temperature increased, the volume expansion ratio increased gradually;
随着温度升高，HfB2复合材料的体积膨胀率单调增加； - There is a maximum oscillation expansion ratio of jet flow in the fixed geometrical sizes.
射流在固定几何尺寸的条件下，存在最大可振荡膨胀比。 - The impacts of degree of gelatinization, relative crystallinity, moisture content, expansion temperature and expansion duration on thermal-expansion property were investigated through single factor experiments using expansion ratio and fracture energy as indicators.
通过单因素实验，以膨化率和断裂能为指标综合考察了糊化度、相对结晶度、饼坯水分含量、膨化温度及膨化时间对淀粉热膨化性质的影响。 - The increment of salt expansion ratio of strong chlorine saline soil was increased gradually with increasing cycles.
罗布泊强氯盐渍土的累加盐-冻胀率随冻融次数的增加而逐渐增大。 - In expanded feed processes, increases of material moisture content, feed rate, screw speed and barrel temperature enhanced starch gelatinization, in-vitro protein digestibility and expansion ratio, respectively.
膨化饲料生产中，物料水分含量、喂料速度、螺杆转速和机筒温度的增加都使淀粉糊化度、蛋白质体外消化率和膨化度增大。 - The experimental result shows that this method can improve the precision and effectively reduce the expansion ratio of index.
最后，通过实验对这种新型的索引方法进行验证与分析，实验结果表明，该方法提高了查准率，并有效降低了索引的膨胀比。