نتایج جستجو برای: imposed strain

تعداد نتایج: 253056  

Journal: :فصلنامه تخصصی جنگ ایران و عراق 0
حمیدرضا رئوفی محقق

economy as a basis of any society has an important function in breaking out, proceeding and termination of deferent wars. this principle is true about iran-iraq war. this essay in addition to explaining important indicators and factors affecting states economy in war period, tries to analyse deferent economies like us, japan, iraq and some others during world war ii. it also considers iran econ...

Journal: :American journal of physiology. Regulatory, integrative and comparative physiology 2002
Irena Lavelin Noam Meiri Miriam Einat Olga Genina Mark Pines

Comparison of RNA fingerprinting of the avian eggshell gland (ESG) without and with an egg revealed upregulation of a 382-bp cDNA fragment that showed high homology to the mammalian glypican 4 (GPC-4). The gene sequence revealed a conserved glypican signature, a glycosyl phosphatidyl inositol-anchorage site, and cystein residues, most of which were conserved. GPC-4 was expressed in the ESG in a...

2009
Hervé Pelletier Christian Gauthier Robert Schirrer

For elastic–plastic contacts, we propose a complete description of the plastic strain field beneath the indenter during indentation and scratch with a spherical indenter (with R, the tip radius), as a function of the testing conditions, defined by the geometrical strain, noted a/R (with a, the contact radius), and the local friction coefficient mloc. The main parameter of the description is the...

2009
Damir Hodžić

Slow strain rate test (SSRT) represent a dynamic slowly increasing strain imposed by an external means on uniaxial tension specimen according to ASTM G 129 standard. It is used for relatively rapid screening or comparative evaluation of environmental, processing or metallurgical variables that can affect resistance of material. Testing has been accomplished on low-alloyed boiler steel 14MoV6-3 ...

Journal: :The Annals of occupational hygiene 2013
Yoram Epstein Yuval Heled Itay Ketko Jeni Muginshtein Ran Yanovich Amit Druyan Daniel S Moran

OBJECTIVES The high values of thermal resistance (Rct) and/or vapor resistance (Ret) of chemical protective clothing (CPC) induce a considerable thermal stress. The present study compared the physiological strain induced by CPCs and evaluates the relative importance of the fabrics' Rct, Ret, and air permeability in determining heat strain. METHODS Twelve young (20-30 years) healthy, heat-accl...

Journal: :Applied and environmental microbiology 2009
Jiaofang Huang Yuquan Xu Hongyan Zhang Yaqian Li Xianqing Huang Bin Ren Xuehong Zhang

Pseudomonas sp. strain M18, an effective biological control agent isolated from the melon rhizosphere, has a genetic background similar to that of the opportunistic human pathogen Pseudomonas aeruginosa PAO1. However, the predominant phenazine produced by strain M18 is phenazine-1-carboxylic acid (PCA) rather than pyocyanin (PYO); the quantitative ratio of PCA to PYO is 105 to 1 at 28 degrees C...

Journal: :Hypertension 1999
J N Bella M J Roman R Pini J E Schwartz T G Pickering R B Devereux

Examining left ventricular midwall as opposed to endocardial mechanics enhances understanding of left ventricular function in individuals with abnormal cardiac geometry. Accordingly, we used carotid ultrasound and applanation tonometry of arterial pressure to derive carotid midwall strain and its relation to carotid peak-systolic and end-diastolic stresses in 82 apparently normal, employed subj...

Journal: :فصلنامه تخصصی جنگ ایران و عراق 0

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Journal: :ACS energy letters 2021

Despite their ubiquitous usage and increasing societal dependence on Li-ion batteries, there remains a lack of detailed empirical evidence Li intercalation/deintercalation into graphite even though this process dictates the performance, longevity, safety system. Here, we report direct detection dissociation specific crystallographic phases in lithiated graphite, which form through stepwise stag...

Journal: :Clinical biomechanics 2009
J Troy Blackburn David R Bell Marc F Norcross Jeff D Hudson Megan H Kimsey

BACKGROUND Musculotendinous stiffness provides an estimate of resistance to joint perturbation, thus contributing to joint stability. Females demonstrate lesser hamstring stiffness than males, potentially contributing to the sex discrepancy in anterior cruciate ligament injury risk. However, it is unclear if the sex difference in hamstring stiffness is due to differences in muscle size or to in...

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