Results 21 to 30 of about 747,930 (316)
Modelling of multiple impacts for the prediction of distortions and residual stresses induced by ultrasonic shot peening (USP) [PDF]
, 2012 During a manufacturing process, the ultrasonic shot peening (USP) technique can be used as the final surface treatment. The aim of this operation is to introduce surface compressive residual stresses in order to prevent crack propagation advancement ...
Taheri, Sahid +10 more
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Differential response of growth and photosynthesis in diverse cotton genotypes under hypoxia stress
Photosynthetica, 2019 The objectives of the present study were to compare the dynamic of the growth and photosynthetic characteristics of cotton varieties contrasting in waterlogging (WL) tolerance when subjected to hypoxia stress.
R. PAN +5 more
doaj +1 more source
Biologia Plantarum, 2021 Nucleotides are the basic elements of the genetic material, participate in bio-energetic processes, are cofactors and components of secondary metabolites, etc. Nucleotide hydrolases (nucleotidases) are phosphatases that remove the 5'-phosphate group from
G. GALVEZ-VALDIVIESO +3 more
doaj +1 more source
Stress and stress counselling [PDF]
Postgraduate Medical Journal, 1990 Summary This is a report by the 1989 National Association of Clinical Tutors Wyeth Travelling Fellow to the United States of America. The stresses of postgraduate training and attempts to modify these are described, including stress counselling. The significance of stress and the relevance of the findings for postgraduate training in the
openaire +2 more sources
Residual stresses in ceramic metal assembly after brazing process [PDF]
, 2006 The framework of this study is the thermo-mechanical analysis of the brazing process of ceramic metal assemblies. The thermal expansion gradient between ceramic and metallic materials leads to the development of residual stresses during the cooling phase
B. Lorrain +7 more
core +1 more source
Leaf temperature and peroxidase activity of bearing pistachio cultivars [PDF]
Journal of Horticulture and Postharvest ResearchPurpose: Environmental stresses are a main disturbing factor influencing horticultural productivity around the world. It will affect all plants including resistant or non-resistant cultivars.
Mehdi Khayyat +2 more
doaj +1 more source
On Surface Grind Hardening Induced Residual Stresses [PDF]
, 2014 Grind hardening process utilizes the heat generated in the grinding area for the surface heat treatment of the workpiece. The workpiece surface is heated above the austenitizing temperature by using large values of depth of cut and low workpiece feed ...
Salonitis, Konstantinos
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Comparative study of the repair of cracked plates with two different composite patches
Fracture and Structural Integrity, 2020 The aim of this study is to analyze the behavior of a crack with and without reinforcement by a composite patch of an aluminum plate in mode I using the finite element method.
Moulgada Abdelmadjid +4 more
doaj +1 more source
Космические аппараты и технологии, 2022 At present, there is great interest in carbon-based materials. They have high thermomechanical properties and mass characteristics, are quite technologically advanced.
V. V. Kashelkin +2 more
doaj +1 more source
The effect of weld residual stresses and their re-distribution with crack growth during fatigue under constant amplitude loading [PDF]
, 2010 In this work the evolution of the residual stresses in a MIG-welded 2024-T3 aluminium alloy M(T) specimen during in situ fatigue crack growth at constant load amplitude has been measured with neutron diffraction.
Lin, J. +13 more
core +1 more source