نتایج جستجو برای: venturi meter
تعداد نتایج: 26991 فیلتر نتایج به سال:
Methicillin-resistant Staphylococcus aureus (MRSA) has emerged as an important pathogen. Successful detection starts with the selection of an appropriate specimen collection device. The Copan ESwab, a new swab, was compared with a commonly used Copan Venturi swab for the recovery of MRSA. In vitro assessment was performed according to the Clinical and Laboratory Standards Institute (CLSI) M40-A...
The necessity for dissolved oxygen in water is crucial the survival and growth of aquatic organisms, particularly tilapia. Seventy-five percent tilapia will die if there insufficient water. This work seeks to develop a venturi bubble-generating technique combat scarcity A floating pump with capacity 12 m<sup>3</sup>/hour was selected as medium distributing generating vacuum pressure...
Negri, A. (2020). De la fábrica a metrópolis. (F. Venturi, trad.). Cactus. 256 pp.
long-throated flumes are measurement structures often used in water and wastewater systems to determine the flow discharge. the head-discharge relationship of long-throated flumes is traditionally determined following the critical flow theory and the boundary layer concept. after a review of the traditional approach and an analysis of the approximate assumptions of the boundary layer approach, ...
RESUMO O objetivo deste trabalho foi avaliar o potencial do Venturi para a síntese de biodiesel partir óleo comestível residual em rota metílica. Para tanto, construído escala laboratório um aparato experimental constituído tanque 5,2 L e dispositivo projetado produzir fenômeno cavitação. A produção avaliada três diferentes pressões entrada Venturi: 4,4; 2,9; 1,4 bar. Os teores ésteres metílico...
Venturi tubes are widely used to measure the gas flow rate in a wet-gas stream. To calculate rate, require liquid loading (i.e. Lockhart-Martinelli parameter) be known as an input so-called over-reading correction correlation. It is challenging derive parameter without installing additional devices series tube thus adding significant cost and complexity. A relatively low easy implement method b...
This paper reports a new microfluidic method for pumping fluid and the generation of droplets and bubbles using the Venturi principle, driving flow using pressure without numerous connections or extensive external control systems. The 2-layer devices in PDMS have no moving parts, and can pump fluid at flow rates >
A rheolytic thrombectomy catheter was used to remove thrombus without thrombolytics from the sigmoid and transverse sinuses of a 34-year-old woman. Using small, high-flow fluid jets and Venturi-effect suction, this catheter allowed mechanical removal of thrombus. This technique may obviate the need for thrombolytic agents and the risks associated with their use.
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