| 1. | En 12462 biotechnology . performance criteria for pumps 生物技术.泵的性能标准 |
| 2. | Biotechnology - performance criteria for pumps ; german version en 12462 : 1998 生物技术.泵的性能标准 |
| 3. | And the author also indicated the impact of the structure parameters and thus guided the design of the pump 在以上研究基础上,论文还分析了结构参数对泵的性能的影响,从而指导泵的设计。 |
| 4. | The cop of mhhp rises with temperature increasing of driving heat source , while the range of temperature upgrading reduces with the temperature increasing of driving heat source 金属氢化物热泵的性能系数随驱动热源温度的升高而增大,但温升幅度随驱动热源温度的升高而减小。 |
| 5. | Centrifugal pump is a commonly hydraulic machine , whose inner flow has direct influence on pump ' s performance and is a considered problem by the pump designers 离心泵是一种通用水力机械,其内部流动情况一直是泵设计人员十分关注的问题,因为泵内流动的优劣直接影响泵的性能。 |
| 6. | The results of tests with different methods proposed by three countries of soviet union , america and german because of different properties of oil and pumps used in these methods 新方法的试验结果与三国的换算方法都有差别,其原因是各国换算方法所用油品的物性及泵的性能不同。 |
| 7. | Structure and performance of a screw centrifugal pump used in aero - engine was discussed in this paper . and the calculation method of the pump ' s performance was also given out 本文着重研究了用于航空发动机的某型螺旋型离心泵的结构和性能,对此种新型离心泵的原理作了分析,并进行了泵的性能计算。 |
| 8. | Both the parameters and the working condition can affect the pump ' s operation and performance directly . it is a useful way to change these parameters to meet the need of the engineering 泵的结构参数和工作状况对泵的性能有直接的影响,可以通过改变这些参数来改进泵的性能,从而满足工程实际的需要。 |
| 9. | The testing technique and system of the newly developed , miniaturized sputtering ion pump with low pumping speed has been developed in accordance with the standards formulated by machine industry 摘要本文介绍了小抽速微型溅射离子泵的性能测试系统和参考机械行业标准确定的测试方法,探讨了测量结果误差来源。 |
| 10. | The experiment shows that by changing the velocity coefficient , the separation of boundary layer on pump vane can be controlled , and the performance of pump is improved and its hydraulic efficiency 实验证明通过改变叶片型线参数方程中的速度系数的取值,可以控制边界层的分离,进而改善泵的性能,提高其水力效率。 |