نتایج جستجو برای: t i o_2
تعداد نتایج: 1628404 فیلتر نتایج به سال:
in the fifth development plan establishment, establishment of the cadastre system of agriculture nationwide has been defined to be the work priority of institutions and organizations responsible in the area of agriculture and equity issuance in the country. in this study, the possibility of provision of the cadastral mapping of agriculture by a integration of the data of the remote sensing and ...
abstract background: multiple sclerosis (ms) is the most common autoimmune disease of central nervous system with destruction of myelin sheath mediated by auto reactive cd4+ t lymphocytes. because of the possible role of epstein-barr virus in etiology of ms and t cells immune response, the aim of this study was to evaluate anti-epstein barr virus antibodies as a marker of reactivity and produ...
background and objectives: the region of the experiment is located in golestan province, iran, with agriculture subject to various farming conditions (rain-fed and irrigation) and different levels of salinity (more than 38% of golestan’s total land area is salt-affected). the purpose of this study has been to evaluate the stress indices in the selection of tolerant wheat genotypes, not only for...
the discovery of the antifertility activity of gossypol led scientists and researchers to the development of compounds with antifertility activity that can be used as male contraceptives. these studies resulted in discovery of the antifertility activity of several classes of compounds which have been reported in the literature. this article deals with the synthesis of four new analogues of pyri...
harvesting of sour cherries is very difficult task which is done either by machine or hand. in order to facilitate fruits harvesting ethephone with different densities is used. in this research work iranian produced ethephone with density of 1.18 g/cm3 and england produced ethephone with density of 1.45 g/cm3 was utilized with different concentration (0, 150, 225 and 300) in a 2×4 factorial exp...
japan is a region of active plate tectonics, well known for its japanese trench a geological feature evolving as a result of north pacific (np) oceanic plate pushing and sub-ducting underneath the north american (na) plate. multiple plate tectonics have been continuously recorded in the region since 1979 by the network of gps stations called geonet. the network operating and monitoring more tha...
در این پایان نامه، خواص زیر از تجزیه های اولیه روی حلقه نوتری $r$ مطالعه خواهد شد: egin{description} item[1)] به ازای مدول های متناهی مولد $nsubseteq m$ و زیرمجموعه $x=lbrace p_{1}, p_{2},ldots, p_{r} brace$ از $mathrm{ass}(m/n)$، یک مولفه $-x$اولیه $nsubseteq m$ را به صورت مقطع $n=q_{1}cap q_{2}capcdotscap q_{r}$ تعریف می کنیم که در آن $ q_{i...
background: t-2 toxin is a mycotoxin of type a trichothecenes produced by several fungal genera such as fusarium species. mycotoxins can affect both cell mediated and humoral immune compartments. objective: the purpose of this study was to investi-gate the effect of t-2 toxin on cytokine production by mouse peritoneal macrophages and lymph node t cells. methods: mouse peritoneal macrophages and...
to inspect the effect of methyl salicylate (mesa) vapor on fruit shelf life quality in kiwifruit (actinidia chinensis cv. hayward) an experiment was carried out in citrus research institute, ramsar, iran in 2006-2007. the experiment was based on a completely random design of three replications. the treatments consisted of mesa at five rates (0, 8, 16, 24 and 32 µl/l) and storage time of five le...
background: myasthenia gravis (mg) is an autoimmune disorder characterized by weakness and fatigability of skeletal muscles. the aim of this study was to determine if pathological characteristics in non-thymomatous patients of mg would correlate with prognosis in a three year follow up. methods: patients who had had their thymectomy at least three years prior to the s...
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