positive pressure fan是什么意思

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用法例句

Principal cause of emerging positive pressure in evaporation separator & its countermeasures;

蒸发分离器出现正压的主要原因及对策

The successful application of dense-phase positive pressure pneumatic ash handling technology to Zhanjiang Power Plant PhaseⅠis introduced.

介绍浓相正压气力除灰技术在湛江发电厂一期成功应用,既降低了对环境的污染,又产生了良好的经济效益,为其他同类电厂改造提供参考。

The positive pressure distribution on the bearing surface of screw down system of 950 primary mill was studied using FEM and the corresponding improvement way has been put forward.

通过有限元分析,研究了950开坯机压下系统球面轴承表面正压力的分布情况,并据此提出了相应的改进措施。

,acting on the silo wall s positive pressure.

根据美国学者詹尼克（ＡＷＪｅｎｉｋｅ）的基本观点，阐述了圆筒仓在偏心卸料时，贮料在仓底附近形成偏心动力拱，仓壁不仅受到拱脚边界中面的径向力作用，而且同时还受到纬向力作用，并将该互相垂直的经向、纬向力合成为作用于圆筒仓壁的径向力，即作用于圆筒仓壁的正压力。

After comparing several methods often used for repairing a buckled dome roof of 5000m3 residual oil tank, the positive pressure method is adopted.

对常用的检修法、正压修复法进行比较,决定采用注水正压法进行修复。

Discusses the influences of the mechanical ventilation rate and air distribution on the workshop pressure, and presents some effective measures to maintain the uniform micropositive pressure in the workshop.

分析了机械通风量和气流组织对车间压力分布的影响,并提出了纺织车间保持均匀稳定微正压的技术措施。

The theory to confirm the location of blockage in pipeline which using the positive wave happened in the course of water hammer was first put forward in the paper.

提出了利用管道水击过程中的正压波确定天然气管道冰堵位置的原理和方法。

This paper illustrates the importance of positive pressure explosion-proof system in comprehensive logging instruments, introduces the method for realizing the positive pressure explosion-proof control of SDL9000 comprehensive logging instrument using IP1612 programmable controller and its realization theory and corresponding technology.

该文阐述了正压防爆系统在综合录井仪中的作用及重要性,介绍了应用IP1612可编程控制器实现SDL9000综合录井仪正压防爆控制技术的方法,以及具体实现原理及相关技术,说明了核心部件IP1612可编程控制器的特点、硬件连接和程序设计。