The advantages and shortages of high pressure and normal temperature, magnetic driving centrifugal pump and canned-motor pump were elaborated.
阐述了高压常温法、磁力驱动离心泵和屏蔽泵的优缺点。
The turbine will operate at high temperature and high rotational speed, its pump will work under the conditions of lower or normal temperature, high pressure and high rotational speed.
涡轮在高温、高转速下工作，泵在低温或常温、高压、高转速下工作。
It is a new and efficient gas catalyst can maintain high activity and capacity at normal temperature and pressure.
它是一种新型高效的气体催化剂，能在常温、常压下保持较高的活性与容量。
By applying different pre-pressure, the speed, torque and temperature of the ultrasonic motor in low and high vacuum have been tested and compared with the normal condition.
施加不同的预压力在低、高真空环境下对超声电机的转速、转矩及温升进行测量并与常态下相比较。
Sample of porous SiC polycrystals are prepared by solid sintering process under high temperature and normal pressure using moulding SiC powder.
碳化硅粉末经压制成型后，在高温常压下固相烧结制成多孔碳化硅样品。
The new process has advantages of high zinc leaching rate, short flowsheet, leaching at normal temperature and pressure and no waste solution, suggesting a wide application field and good prospect.
新工艺锌浸出率高，流程短，可在常温常压下浸出，无废液，具有较广阔的应用前景。
The method provided by the invention is characterized by low-temperature and normal-pressure operation, low dosage, low energy consumption, high production efficiency, simple process and low cost.
本 发明所提出的方法是在低温常压下操作，药剂使用量少，具有能耗低、生产效率高、工艺简单和成本低廉的特点。
Biochemical process has a series of advantage over traditional ones:reaction at normal pressure and room temperature, high conversion, no by-products produced and little environmental problems.
微生物催化合成法具有常温常压反应。转化率高，无副反应产物、不污染环境和经济效益好的优点。
Biochemical process has a series of advantage over traditional ones:reaction at normal pressure and room temperature, high conversion, no by-products produced and little environmental problems.
微生物催化合成法具有常温常压反应。转化率高，无副反应产物、不污染环境和经济效益好的优点。
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