Results 31 to 40 of about 508,777 (249)
Science Progress, 2022 During on-site operation under wet gas compression, the volumetric efficiency of a twin-screw pump decreases sharply, the temperature in the pump rises significantly, severe vibration and even jamming can occur.
Xuejing Zhang +5 more
doaj +1 more source
BMC Pregnancy and Childbirth, 2021 Background Monochorionic diamniotic triplet pregnancies are rare. Twin reversed arterial perfusion sequence in monochorionic triplet pregnancies is extremely rare, and it is associated with high perinatal morbidity and mortality rates in the “pump fetus.”
Guiqiong Huang +4 more
doaj +1 more source
Power Pump Valve Dynamics [PDF]
, 2009 LectureThe dynamics (movement) of the check valves in a reciprocating power pump determine whether the pump will operate quietly and smoothly, or noisily with pulsation and vibration.
Henshaw, Terry
core +1 more source
T02: Mechanical Sealing Technology used in Multiphase Pump Applications
, 2021 TutorialsMultiphase Pumps have demonstrated their capability to operate successfully in pumping the product extremes, means 100%liquid up to 100% gas, as well as solids This duty is difficult for a pump and thus even more difficult for its mechanical ...
Necker, Nikolaus
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A case of twin reversed arterial perfusion (TRAP) sequence managed conservatively
The Pan African Medical Journal, 2019 The TRAP sequence, also known as acardiac twinning is a rare complication that is unique to monochorioinic multiple pregnancies affecting 1% of monochorioinic pregnancies and about 1 in 35000 of all pregnancies.
Enesia Mudenha Ziki +2 more
doaj +1 more source
Design and Performance Evaluation of a Twin Screw Water Vapor Compressor [PDF]
, 2012 The heat pump system of mechanical vapor compression/recompression (MVC/MVR) combined with evaporation is a high efficiency, energy-saving solution for energy intensive processes.
He, Zhilong +3 more
core +1 more source
Pediatric Blood &Cancer, EarlyView.ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani +7 more
wiley +1 more source
Data reduction problems using a 3 holes directional pressure probe to investigate mean flow characteristics in the vaneless gap between impeller and diffuser radial pump [PDF]
, 2013 Among several different measurement techniques that have been already performed and presented in a radial impeller pump model including PIV, a directional pressure probe has been used to obtain mean velocity field and stagnation pressure between impeller
DAZIN, Antoine +4 more
core +1 more source
Machines, 2023 Digital twin is the development trend of concrete pump trucks to realize digitalization and intellectualization. The realization of digital twin requires high calculation efficiency and accuracy of the model.
Can Zhou, Geling Feng, Xin Zhao
doaj +1 more source
Therapeutic Apheresis and Dialysis, EarlyView.ABSTRACT Background Establishing a comprehensive apheresis medicine program in a resource‐constrained setting presents significant structural, financial, and logistical challenges. Despite the growing clinical importance of apheresis services globally, published experience from sub‐Saharan Africa remains sparse.
Folasade Adelekan‐Popoola +4 more
wiley +1 more source