نتایج جستجو برای: formation of non
تعداد نتایج: 21320245 فیلتر نتایج به سال:
The Asmari Formation was deposited in the foreland basin of southwest Iran (Zagros Basin). Carbonate sequences of the Asmari Formation consist mainly of large benthic foraminifera along with other skeletal and non-skeletal components. Three assemblage zones have been recognized by distribution of these large foraminifera in the study area that indicate Oligocene age (Rupelian-Chattian). Absence...
Background & Objectives: Non enzymatic glycation is a reaction that occurs between reducing sugars and amino groups of proteins. Advanced Glycation End-products (AGE) have been accounted for principal biological processes like aging and pathogenesis of some diseases. Accumulation of AGE during hyperglycemia can cause structural and functional changes of long-lived proteins. Therefore, it will...
since bone marrow has been shown to contain osteoprogenitor cells, an experiment was devised to test its effects when injected percutaneously into osteotomies sites in rabbit radii. in this experimental study, the osteogenicity and its effect on early bone repair of bone marrow grafts were investigated. the purpose of this study was to determine whether bone marrow grafted percutaneously led to...
tetrazole-containing compounds have been the subject of much recent research because of theirpotential as high energy density materials (hedms). in this work, theoretical studies on the 1htetrazolylderivatives of tetrahedrane were done at the density functional theory (dft) method withthe 6-31g(d) basis set without any symmetrical restrictions in order to find the structural andenergetically pr...
the aim of this study has been to find answers for the following questions: 1. what is the effect of immediate correction on students pronunciation errors? 2. what would be the effect of teaching the more rgular patterns of english pronunciation? 3. is there any significant difference between the two methods of dealing with pronuciation errore, i. e., correction and the teaching of the regular ...
statement of problem: reconstruction methods are an essential prerequisite for functional rehabilitation of the stomatognathic system. platelet-rich plasma (prp) offers a new and potentially useful adjunct to bone substitute materials (e.g. xenografts) in oral and maxillofacial bone and implant reconstructive surgery. purpose: an animal study was carried out to investigate the influence of prp ...
hydrogenation of oils might be considered as the largest reaction in the edible oil industry. the reaction consists of the addition of hydrogen at the double bounds of fatty acids. although for some reasons this might be considered a desirable reaction but for some others it might create problems in the food and nutrition chain circle due to the formation of saturated and trans fatty acids. soy...
introduction: the objective of this study was to evaluate the relationship between spermiogenic defects such as protamine deficiency, and acrosomal integrity with fertilization and pregnancy rate in ivf patients. material and methods: density, motility and morpology of semen samples from 70 infertile couples undergoing ivf at isfahan fertility and infertility center were analyzed according to w...
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