...键词】 麻醉机；文丘里原理；潮气量；检测；维修 detection an [gap=575]key words: anesthesia ventilator; venturi principle; tidal volume; detection procedure; maintenance ..
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Venturi i principle 文丘里原理
An automatic topdressing system was designed on the base of the principle of hydrokinetics using energy of static pressure for pipe irrigation and the feature of Venturi pipe in solar greenhouse.
依据流体动力学原理，利用日光温室管网灌溉的静压能和文丘里管的特性，设计出在日光温室正常灌溉情况下的自动施肥系统。
The principle, structure and water flow measuring formula of Venturi Pitot tube flowmeter are introduced. The simple calibration with flow method adopting field condition is also presented.
介绍了文丘里皮托管流量计的原理、结构和测量水流量公式，以及采用流量法利用现场条件对文丘里皮托管流量计进行简易标定。
This paper will compare the different pressure control measure, introduce the principle and characteristic of Venturi pressure control and introduce practice effect.
本文就生物安全实验室压力控制的不同方法进行比较，介绍了文丘里压力控制阀的基本原理、特点，及工程的实际应用效果。
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