| 1. | Experimental research on low specific speed roto - jet pump
低比转数旋喷泵的试验研究 |
| 2. | Approach to training model of specific speed for elite long jumpers
对高水平跳远运动员专项速度训练模式的探讨 |
| 3. | Dimensionless specific speed
无因次比转速 |
| 4. | Kinematic specific speed
运动学比速率 |
| 5. | Dynamic specific speed
动力比速 |
| 6. | An ultimate specific speed method checked by formula of manufacturer is proposed
提出用极限比速法，并采用厂家公式校核的方法选取冲击式机组。 |
| 7. | A series of tests on centrifugal oil pumps with different specific speeds were done under different conditions of liquid viscosities and pump rotary speeds
摘要用比转速为66 ， 90 ， 105的离心泵在不同粘度、不同转速下进行了一系列试验，提出了一种新的油泵液体粘度换算方法，该方法考虑了转速对换算系数的影响。 |
| 8. | A new type of very low specific speed pump ? roto - jet pump is presented for low flowrate and high head transportation , which is introduced at the end of the thesis
论文最后主要研究了一种隶属于极低比转数离心泵范畴的新型泵? ?旋喷泵，它是一种新型的石油化工用泵，具有流量小、扬程高、流量扬程曲线平缓的特点。 |
| 9. | But there is still a difficult problem present in the low specific speed sewage pumps : with changeable operation points , the motor is often destroyed by overload , which restricts the application of the pump in many fields
但是低比速排污泵在工况多变的场合极易因过载而烧毁电机，这一问题一直没有得到很好的解决，这大大限制了排污泵的使用范围。 |
| 10. | It is a vane pump with high head , small flow and low specific speed , which is smaller , flight and simpler in structure than positive displacement pump mulfistage centrifugal pump , and may handle liquid of high gas or steam content
该泵是一种高扬程，低比速的叶片泵，比容积式泵和多级离心泵体积小、重量轻、机构简单等优点，并可以输送气体或蒸气含量较轻的液体。 |
