نتایج جستجو برای: canister
تعداد نتایج: 433 فیلتر نتایج به سال:
In the development process of a certain CHINA VI proprietary brand car model, there exists problem intermittent “dada” sound in cockpit during idling. After investigation, it’s determined that air pulse noise generated when canister purge solenoid valve is working, it transmitted to panels through pipeline, and then cockpit, which would cause sound. By adding expansion chamber desorption pipe d...
Controlled laboratory experiments were conducted to demonstrate the use of passive samplers for soil vapor concentration monitoring. Five different passive samplers were studied (Radiello, SKC Ultra, Waterloo Membrane Sampler, ATD tubes and 3M OVM 3500). Ten different volatile organic compounds were used of varying classes (chlorinated ethanes, ethanes, and methanes, aliphatics and aromatics) a...
STUDY OBJECTIVE We evaluated the difference in work of breathing (WOB) during spontaneous ventilation with continuous positive airway pressure (CPAP) among three methods of triggering the ventilator: conventional pressure triggering, tracheal pressure triggering, and flow-by triggering. METHODS In an in vitro model of the respiratory system consisting of a bellows (lungs) in a plastic caniste...
BACKGROUND Insufficient data exist on the production of compound A during closed-system sevoflurane administration with newer carbon dioxide absorbents. METHODS A modified PhysioFlex apparatus (Dräger, Lübeck, Germany) was connected to an artificial test lung (inflow at the top of the bellow approximately/= 160 ml/min CO2; outflow at the Y piece of the lung model approximately/= 200 ml/min, s...
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