Results 31 to 40 of about 119,769 (265)
Research on New Numerical Simulation Method of Erosion Rate of High Pressure Manifold
Shiyou jixie, 2021 At present, the calculation of erosion rate is mainly based on semi-empirical calculation models. The prediction results of the models are not very accurate.
Li Jianting, Zeng Yun, Li Ning
doaj
Chronobiology of Cancer: How Aging Fuels Oncogenesis at the Molecular Level
Aging and Cancer, EarlyView.This graphical abstract illustrates the key biological pathways linking aging with cancer development and progression. In the upper left, cumulative exposure to ultraviolet radiation, toxins, and reactive oxygen species (ROS) causes DNA damage and genomic instability, whereas age‐related decline in repair mechanisms, such as ATM/ATR, BER, and NER ...
Anu Singh, Aroonima Misra, Sufian Zaheer
wiley +1 more source
Erosion Factor Analysis of Coiled Tubing with Helical Buckling
Shiyou jixie, 2023 During coiled tubing(CT)operations,a wide annulus between CT and casing may lead to helical buckling and serious erosion of the CT inner wall.The inner wall erosion of CT with helical buckling was investigated through physical experiment and numerical ...
Cao Yinping +4 more
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Hydraulic erosion characteristics based on transparent soil-rock mixture
Yantu gongcheng xuebao, 2023 The soil-rock mixture is a material with extremely uneven mechanical properties, and the hydraulic erosion process of soil-rock mixture is often complex and difficult to predict.
LIU Hanlong 1, 2, 3, ZHONG Wenhan 2, ZHANG Wengang 1, 2, 3, ZHOU Hang 1, 2, 3, WANG Luqi 1, 2, 3, GU Dongming 4
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The Role of Calcitonin Gene‐Related Peptide in High‐Altitude Headache: A Prospective Field Study
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective High‐altitude headache (HAH) is a common neurological condition associated with rapid ascent to high altitude. The pathophysiological mechanisms underlying HAH remain incompletely understood. Calcitonin gene‐related peptide (CGRP), a neuropeptide implicated in migraine pathophysiology, may play a key role in the pathophysiology of ...
Roman Schniepp +4 more
wiley +1 more source
A Two‐Stage Questionnaire and Actigraphy Screening for iRBD in a Multicenter Retrospective Cohort
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Isolated rapid‐eye‐movement sleep behavior disorder is a prodromal marker of synucleinopathies. However, most cases remain undiagnosed due to the insufficient predictive value of questionnaires and limited access to confirmatory video‐polysomnography. We assessed a two‐stage screening strategy combining a brief questionnaire on rapid‐
Caleb A. Massimi +17 more
wiley +1 more source
ModellingAccurate prediction of erosion rates in polymeric and composite materials is essential for their effective design and maintenance in diverse industrial environments. This study presents a predictive modelling framework developed using the JMP Pro machine
Ali Al-Darraji +2 more
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Formulating Fine to Medium Sand Erosion for Suspended Sediment Transport Models
Journal of Marine Science and Engineering, 2015 The capacity of an advection/diffusion model to predict sand transport under varying wave and current conditions is evaluated. The horizontal sand transport rate is computed by vertical integration of the suspended sediment flux.
François Dufois, Pierre Le Hir
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Study on Ablation Behavior of Phenolic Composites Prepared with Different Amounts of Zirconia and Asbestos Fiber [PDF]
علوم و تکنولوژی پلیمر, 2012 Ablative materials play a strategic role in aerospace industry. These materialsproduce a thermal protection system which protects the structure, theaerodynamic surfaces and the payload of vehicles and probes duringhypersonic flight through a planetary ...
Mir Asad Mirzapour +2 more
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Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Building on our prior Behavioral Risk Factor Surveillance System analysis identifying adults aged 18–39 as the primary driver of the national increase in self‐reported cognitive disability, we examined factors associated with this rise using 2013–2024 U.S. BRFSS data. Methods We analyzed U.S.
Adam de Havenon +9 more
wiley +1 more source