| 1. | A method to enhance rod pumping efficiency
一种提高有杆泵抽油系统效率的方法 |
| 2. | Study on efficiency of well irrigation engineering system
提高井灌工程系统效率的研究 |
| 3. | Efficiency measuring method of artificial lifted well system
机械采油井系统效率测试方法 |
| 4. | Factors influencing hybrid electric vehicle system efficiency
混合动力汽车系统效率的影响因素 |
| 5. | Effect of methanol synthesis ratio on a polygeneration system
甲醇合成产率对多联产系统效率的影响 |
| 6. | We introduce two efficient algorithms for the elliptic curve cryptography
本文给出了两种提高椭圆曲线密码系统效率的算法。 |
| 7. | Effect of nitrate concentration on phosphorus removal in denitrifying dephosphatation system
硝氮对反硝化除磷系统效率的影响 |
| 8. | Analysis of influence factor on the pump well system efficiency in huqing oilfield
提高胡庆油田抽油井系统效率影响因素分析与对策 |
| 9. | Efficiency test and unit energy consumption calculation method of crude oil gathering system
原油集输系统效率测试和单耗计算方法 |
| 10. | Efficiency comparison of series - parallel co - production system and parallel co - production system
串并联与并联形式的联产系统效率比较 |
