Results 21 to 30 of about 12,376,341 (299)
A Thermodynamic and experimental study of low-alloy steels after carbonitriding in a low-pressure atmosphere [PDF]
, 2014 The effect of the composition of two steels (B and 6MnCr5) on precipitation of undesirable phases (carbides, nitrides and carbonitrides) under thermochemical treatment (low-pressure or vacuum carbonitriding) is investigated.
Barrallier, L. +8 more
core +1 more source
Experimental investigations of opening leaks in a welded seam of a closed container under thermal and acoustic influences [PDF]
Омский научный вестник: Серия "Авиационно-ракетное и энергетическое машиностроение"To conduct experimental investigations of the drying process of a closed container, taking into account the opening of a leak channel in a weld, an experimental research stand, an experimental container and experimental samples with model leaks of ...
I. Yu. Lesnyak
doaj +1 more source
Pressure Promoted Low-Temperature Melting of Metal-Organic Frameworks [PDF]
, 2018 Metal-organic frameworks (MOFs) are microporous materials with huge potential as host structures for chemical processes, including retention, catalytic reaction, or separation of guest molecules.
Remo N., Widmer +13 more
core +2 more sources
Zhileng xuebao, 2021 In this study, a pressure-adjustable closed environment chamber was built, and the effect of different tube rows and circulating hot water temperatures on the characteristics of air-side convective heat transfer for a finned tube condenser at a low ...
Zhang Ruhang, Liu Jianhua, Zhang Liang
doaj
Sensors, 2015 In this paper, a pressure sensor for low pressure detection (0.5 kPa–40 kPa) is proposed. In one structure (No. 1), the silicon membrane is partly etched to form a crossed beam on its top for stress concentration.
Huiyang Yu, Jianqiu Huang
doaj +1 more source
Low blood pressure, low mood? [PDF]
BMJ, 1992 To determine whether a set of physical symptoms is associated with low blood pressure and to investigate the possible role of psychological factors in their occurrence.Analysis of data collected by questionnaire and physical screening from the first phase of the Whitehall II study, a cohort study of an employed population.23 civil service departments ...
J A, Pilgrim, S, Stansfeld, M, Marmot
openaire +4 more sources
Ciência e Agrotecnologia, 2009 O uso de sistemas de irrigação por gotejamento à baixa pressão tem como objetivo oferecer uma técnica de irrigação viável para pequenas propriedades.
João Marcelo Silva do Nascimento +4 more
doaj +1 more source
Flashover in Aircraft Cargo Compartment at Different Pressures: Experimental and Modeling Study
Fire, 2023 The increasing incidence of aircraft cargo compartment fires in recent years has caused heavy losses and drawn attention to understanding the combustion process, especially under low pressure.
Mengling Li +3 more
doaj +1 more source
Energies, 2021 Flashover of contaminated insulators is a major problem for power systems at high altitude. Laboratory experiments have shown that the optical diagnostic method can provide extensive information on the physical process of contamination flashover. In this
Hao Yang +7 more
doaj +1 more source
Increased pain sensitivity in low blood pressure. [PDF]
, 2008 . There is broad evidence for a functional interaction between the cardiovascular and pain regulatory systems. One result of this interaction is the reduced sensitivity to acute pain in individuals with elevated blood pressure, which has been established
Duschek, Stefan +5 more
core +1 more source