The Rotating Casing Flow Field in Eccentric Annuli and Its Effecting on Displacement Efficiency of Cementing;
偏心环空旋转套管流场及对注水泥顶替效率的影响
Results from analytical derivation and numerical simulation demonstrate that,the injection efficiency under new system is very high which is nearly 100%,and perturbation on stored beam is small,whose centre-mass growth is lower than orbit stability requirement.
解析分析和数值模拟结果表明,新设计注入系统具有非常高的注入效率,配合合肥自由电子激光实验装置中直线加速器改造,注入效率接近100%;同时,储存束流扰动很小,质心发射度增长满足束流稳定性要求,系统具有向准恒流运行模式发展的潜力。
The results reveal several relations between the current injection efficiency and a few parameters,i.
通过在量子阱激光器中的分别限制结构层引入4种不同的渐变方式,即线性渐变、抛物线渐变、扩散渐变以及高斯渐变,利用电流连续方程、泊松方程以及边界条件进行数值计算,得到了在不同渐变方式下器件的电流注入效率与注入载流子密度、有源层厚度及渐变长度的关系。
Based on a short anode GTO structure(SA-GTO),a novel GTO structure called an injection efficiency controlled gate turn off thyristor(IEC-GTO)is proposed,in which the injection efficiency can be controlled via an additional thin oxide layer located in the short anode contact region.
在阳极短路型门极可关断晶闸管(SA-GTO)的基础上,提出了一种新颖的注入效率可控的门极可关断晶闸管(IEC-GTO),其注入效率可通过一层位于阳极短路接触区的薄氧化层来控制。
Research on Calculating and Analyzing of Efficiency of Water-injection System in Sazhong Region;
萨中地区注水系统效率计算与分析研究
An Study of Saving Energy Measures and Calculating Efficiency in Watre-Injection System;
注水系统的节能措施及效率计算研究
Efficiency of Daqing Oilfield Water Injection System & Problems on Heat Energy Step Utilization
大庆油田注水系统的效率与热能的梯级利用问题
A Water-Filling Power Control Algorithm for Turbo-BLAST System
Turbo-BLAST系统中的注水功率控制算法
Analysis and Approaches to Improving of the Thennal Efficiency of Steam Injeeting Boiler
注汽系统用能分析及提高注汽锅炉效率研究
Some Measures to Increase Efficiency of Injection Surface System and Their Application Effects
提高注聚区地面系统效率的措施及实施效果
theoretical waterflood areal sweep
理论注水面积波及效率
The Study and Development in Efficiency Measure System of the Hydro-turbine Based on Virtual Instrument;
基于虚拟仪器的水轮机效率测试系统
The System Technology of High Performance R-410A Air-cooled Water Chillers
高效率R-410A气冷式冰水机系统技术
Analysis of Thermal Efficiency of Collective Solar Hot Water System
集中集热太阳能热水系统热效率分析
Testing and Analyzing Gathering System Efficiency during High Water Cut
高含水期集输系统效率测试分析研究
Analysis to the circulate efficiency of the mineral well drains system and tube net
矿井主排水系统管网运行效率的分析
Study of Radiation Effect of the Silicon Gate Si/SiO_2 System Implanted BF_2～+ at Low Dose Rate;
BF_2～+注入硅栅Si/SiO_2系统低剂量率辐照效应的研究
ERP Measurements Phased Array Antenna by power injection method
宽带相控阵系统等效辐射功率注入法测试方法
Primary-secondary Pumping System Efficiency Optimization Strategy
变水量空调二次泵供水系统效率优化策略研究
Innovation of Property Right, Technical Efficiency and Groundwater Irrigation Management;
地下水灌溉系统产权制度创新、效率及政策
Contrastive Analysis of Water Supply System in China and Japan;
中日城市供水系统静态效率的对比研究
Design of Water Pump Efficiency Tester Based on ARM Embeded Systerm
基于ARM嵌入式系统水泵效率检测仪的研制