| 1. | Effects of injection ratio on pressure drop in horizontal wells
注入比对水平井筒压降影响规律的研究 |
| 2. | Results indicated that the friction reduction of ship flat bottom is proportional to the air injection ratio and adversely proportional to the distance from the injection
计算结果表明，平底船的减阻率与喷气率成正比，而与离喷气口距离成反比。 |
| 3. | Applying dh can enhance the injection ratio , strengthen the confinement to the carrier and enhanced the efficiency of the recombination . this make the brightness greatly enhance
Dh结构不仅提高了载流子注入比并且加强了载流子限制作用，提高了辐射复合的效率，使得hb - led的亮度大幅度提高。 |
| 4. | At the same time , using the total energy efficiency and the equivalent exergy efficiency as the evaluation criterion , this thesis also discusses the influence of the water injection ratio and pressure ratio on the performance of this cycle
同时以总能利用率和当量(火用)效率为评价准则，讨论了注水率和压比对循环性能的影响。 |
| 5. | This thesis gives a fundamental quantitative analysis of the cycle of recuperative gas turbine cogeneration with water injection and mainly discusses the influence of water injection ratio and pressure ratio on the specific power and the amount of heating
本论文对功热并供回热注水燃气轮机热力循环进行了基本定量分析。主要分析了注水率和压比对比功和供热量的影响。 |
| 6. | Abstract : very excellent results have been achieved in injection of coaluniformlly by means of implementing three technical measures under the current conditions , thus laying a very solid foundation for raising the coal injection ratio , stabilizing the gas flow of bf , and gaining better economical efficiencies
文摘:介绍了在现有的条件下，通过三种措施的实施，取得了煤粉的均匀喷吹，为进一步提高煤比，稳定高炉煤气流，并获得更好的经济效益打下了基础。 |
| 7. | Result of numerical simulation shows that the grads of continuous phase " s velocities decreases with the presence of microbubble of which the diameter is 100 / / w , the profiles of air volume fraction in the boundary layers is similar to triangle or echelon , affected by interaction among the particle , there is a saturated air fraction , within the scope of saturated air fraction , increasing the air injection ratio can accrete the friction reduction ratio , under the condition of same air injection ratio , the free - steam velocity is larger , the effect of friction reduction is worse
计算结果表明，直径为100 m的微气泡能减小近壁面连续相的速度梯度；微气泡在边界层中的浓度分布近似为三角形或梯形分布；受粒子间相互作用的影响，存在一饱和浓度；减阻率随喷气量的增大而增大，直至饱和喷气量，此后，增大喷气量，壁面摩擦阻力变化不大；相同喷气量下，来流速度越大，减阻率越低。 |
| 8. | Appling p - n graded heterojunction instead of abrupt one is studied deeply in theory , and the conclusion is that it will enhance the current injection ratio , decrease the built - in voltage , improve the quality of the crystal and it will not affect the confinement to the hole
在理论上提出在hb - led器件的dh结构中使用p - n结的渐变异质结替代现行的p - n突变异质结。分析采用异质结渐变方式将增加hb - led的电流注入比，减小内建电势，改善晶体质量，并且不影响p - n结对空穴的限制。 |
