appropriate fraction
英 [əˈprəʊpriət ˈfrækʃn]
美 [əˈproʊpriət ˈfrækʃn]
【经】指定的部分，部分拨款
双语例句
- The results indicate that the appropriate barrier height ( the Al mole fraction) is lower when the p-doping concentration is higher.
结果表明，当p型掺杂水平增高时，所需要的势垒高度减小，即Al组分减小。 - The experimental results showed that an appropriate vacuum degree and volume fraction of liquid should be chosen for maximizing the cooling capacity of the evaporator.
实验结果表明，采用适当的真空度和液容率，可以提高微槽群蒸发器的散热效果。 - According to the experimental results, the appropriate radius of the round corner of concave-convex die and the proper conditions of friction and lubrication can greatly decrease the fraction probability of ( AZ31) magnesium alloy sheets with thermal deep-drawing process, and are beneficial to their deep-drawing process.
实验结果表明：合适的凸凹模圆角半径与有利的摩擦润滑条件可以大大减少AZ31镁合金板热拉深成形过程中发生破裂的可能性，有利于其拉深成形的顺利进行。 - The model is based on data obtained from a single zone heat release rate analysis coupled with appropriate soot formation and oxidation models for evaluation of the radiation and burned zone temperatures, the soot volume fraction, the soot emissivity and the global radiative heat flux.
该模型利用单区放热率所得资料，配合适当的碳粒形成和氧化的子模型，以计算辐射温度，燃烧区温度，碳粒浓度，碳粒发射率和总体辐射热流量等。 - Adopting appropriate catalyst and controlling ethylene mass fraction at 7% can endow the resin with excellent impact resistance.
选择合适的催化剂及控制乙烯质量分数为7%，可使树脂获得良好的抗冲击性能。 - It is found that the appropriate lowering of the chamber temperature of water gas producer and the thickness of coal bed is favorable to controlling the volume fraction of O_2 and CO in the recovered flue gas.
通过试验与分析，发现适当降低水煤气发生炉炉温与煤层厚度，有利于控制回收烟气中O2及CO的体积分数。 - The results show that the polarization and piezoelectric properties of0-3 composites can effectively increase with an appropriate volume fraction of PANI.
结果表明：适量PANI能够有效地提高0-3型复合材料的极化和压电性能。 - The appropriate catalyst packing fraction should be 10%-30% ( V).
就催化蒸馏干气制乙苯过程而言，适宜的催化剂装填体积分率为10%～30%。 - Under the appropriate water condition, although the high nitrogen supply was beneficial to improve the antioxidant enzyme activity and free proline mass fraction, it caused a certain degree of osmotic stress, representative by the increasing of MDA molality and relative conductivity.
正常水分条件下，高氮处理有利于提高抗氧化酶（SOD，POD，CAT）活性和Pro质量分数，但造成一定程度的渗透胁迫，使MDA质量摩尔浓度和相对电导率升高。 - The patients underwent coronary angiography and left ventriculography at appropriate time to investigate the extent of coronary artery disease and left ventricular ejection fraction ( LVEF).
病人在适当时间接受冠状动脉造影及左室造影，了解冠状动脉病变范围及左室射血分数。