نتایج جستجو برای: fracture shape factor
تعداد نتایج: 1112999 فیلتر نتایج به سال:
in the present study, the mechanical properties and fracture mechanisms of two powder metallurgy low alloy steels, i.e. distaloy dh and distaloy hp, were investigated. all samples were sintered at 1120 ºc for 30 min in n2/h2 atmosphere. for evaluation of the effect of cooling rate on final properties, samples were cooled from sintering temperature with two different cooling rates. in addition, ...
studies of genetic diversity of plant populations are very important tools for plant breeders. in this study, 110 rice genotypes, including 39 iranian local, 20 iranian improved and 51 foreign improved varieties were studied for 14 agronomic traits in the the rectangular lattice design at the rice research institute of iran (rasht). the analysis of variance showed that there were significant di...
BACKGROUND Fracture represents the single most important clinical event in patients with osteoporosis, yet remains under-predicted. As few premonitory symptoms for fracture exist, it is of critical importance that physicians effectively and efficiently identify individuals at increased fracture risk. METHODS Of 3426 postmenopausal women in CANDOO, 40, 158, 99, and 64 women developed a new hip...
This paper describes shape analysis of the caudate nucleus structure in a large schizophrenia study (30 controls, 60 schizophrenics). Although analysis of the caudate has not drawn the same attention as the hippocampus, it is a key basal ganglia structure shown to present differences in early development (e.g. autism) and also to present changes due to drug treatment. Left and right caudate wer...
Prior austenite grain (PAG) structure is an important factor influencing hydrogen embrittlement (HE) susceptibility of ultrahigh-strength steels. In this study, the effect PAG shape and size on HE behaviour investigated using a novel tuning-fork testing method thermal desorption spectroscopy (TDS). Different structures were acquired via re-austenitization (860°C = A860, 960°C A960) rapid quench...
This study investigated the effects of aging and fat content on the texture of Cheddar cheese, both mechanical and sensory aspects, over a 9-mo aging period. Cheeses of 6, 16, and 33% fat were tested at 0.5, 3, 6, and 9 mo of aging. Cheeses were evaluated by a trained sensory panel using an established texture lexicon as well as instrumental methods, which were used to probe cheese structure. S...
introduction: the purpose of the present study was to evaluate the effect of prednisolone on the sensitivity of bone scanning to detect the simulated closed fracture in the rat tibia. methods: a total number of forty eight adult, male nmri rats randomly assigned into two parts, one part for 4 and other for 8 weeks experiments. each part has been divided into four groups, one group not receivi...
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