Results 71 to 80 of about 488,632 (276)
Analysis of proportional valve flow field in common rail system
The Journal of Engineering, 2020 A certain type of proportional valve has been optimised in design by adding a damping hole in its structure, which solves the problem of pressure rise in the fuel chamber due to gap leakage when closing.
Li Yazhou +6 more
doaj +1 more source
Computer simulation of platelet activation in a pulsatile ventricular assist device, through finite elements and a simplified geometry [PDF]
, 2017 Ventricular assist devices are a technological solution for patients who suffer from cardiac insufficiency and await a transplant. In this work, a new design of an implantable pulsatile blood pump is analyzed in terms of blood damage, by means of finite ...
Berli, Marcelo Eduardo +4 more
core
In situ molecular organization and heterogeneity of the Legionella Dot/Icm T4SS
FEBS Letters, EarlyView.We present a nearly complete in situ model of the Legionella Dot/Icm type IV secretion system, revealing its central secretion channel and identifying new components. Using cryo‐electron tomography with AI‐based modeling, our work highlights the structure, variability, and mechanism of this complex nanomachine, advancing understanding of bacterial ...
Przemysław Dutka +11 more
wiley +1 more source
FEBS Letters, EarlyView.The Ile181Asn variant of human UDP‐xylose synthase (hUXS1), associated with a short‐stature genetic syndrome, has previously been reported as inactive. Our findings demonstrate that Ile181Asn‐hUXS1 retains catalytic activity similar to the wild‐type but exhibits reduced stability, a looser oligomeric state, and an increased tendency to precipitate ...
Tuo Li +2 more
wiley +1 more source
Experimental Study on Benchmarking Performance of Natural Circulation Flap Valve in DHR-400
Yuanzineng kexue jishuThe 400 MW deep pool-type low-temperature heating reactor (DHR-400) is a novel pool-type reactor, which is designed by China National Nuclear Corporation (CNNC).
YU Song, ZHOU Ping, CHENG Daoxi, ZHAI Weiming, MA Xiaoyao, LI Ruizhi, XING Mingdi, GAO Weilong, GE Guangyuan, ZHANG Xuefeng, QI Xiaoguang, CHAI Baohua
doaj +1 more source
Development of Cased Hole Sliding Sleeve and Closing Tool for Infinite Stage Fracturing
Shiyou jixie, 2020 The staged fracturing technology has become an effective technical means to enhance production in low-permeability tight oil and gas reservoirs. Especially, the hydraulic staged fracturing technology can realize infinite stage fracturing, and provide ...
Luo Jianwei +5 more
doaj
Wasit Journal of Engineering Sciences, 2020 Refrigeration and air conditioning systems consume high rates of electrical energy of the total global power consumption. The major part of this energy is used by compressor which is the main equipment in vapor compression refrigeration systems. In this
Ahmed H. Al-Hassani, Alaa R. Al-Badri
doaj +1 more source
Performance experiments with alternative advanced teleoperator control modes for a simulated solar maximum satellite repair [PDF]
Experiments are described which were conducted at the JPL Advanced Teleoperator Lab to demonstrate and evaluate the effectiveness of various teleoperator control modes in the performance of a simulated Solar Max Satellite Repair (SMSR) task. THe SMSR was
Bejczy, A. K. +4 more
core +1 more source
Electrocardiogram Baseline Wander Suppression Based on the Combination of Morphological and Wavelet Transformation Based Filtering [PDF]
, 2019 One of the major noise components in electrocardiogram (ECG) is the baseline wander (BW). Effective methods for suppressing BW include the wavelet-based (WT) and the mathematical morphological filtering-based (MMF)algorithms.
Li, Feng-cong +6 more
core +1 more source