نتایج جستجو برای: flora of iran
تعداد نتایج: 21176042 فیلتر نتایج به سال:
the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...
astragalus kurdaicus saposhn. ex sumn is now considered as an additional species of the flora of iran. this species was introduced from middle asia, and is also recorded from ne iran. it belongs to astragalus section cystium.
Bromus sect. Triniusa is revised in Khorassan based on the new taxonomic concepts of Bromus danthoniae complex group and a remarkable herbarium material collected from Khorassan (Kopetdagh, northeastern Iran), as the main center of its diversity. Bromus turcomanicus, a narrow endemic species in central Kopetdagh hitherto known only from the type locality in southern Turkmenistan, is newly recor...
one of the most important factors in study of project’s , is the study of environmental opportunities factors the permanent study of environmental opportunity factors . the study of permanent environmental changing and knowing golden threats’ cooperate with possible threats and at the result in structure forming and future skeleton of organization has a vital effects . the petrochemical industr...
abstract there is not much sources about ancient carnival and ceremonies , but some information can be gain from documents . as a matter of fact the ceremonies were a part of zarartiyan principles which zartosht had taken them to his religion . it should be mentioned that the oldest ceremonies are about poster and agriculture principles this seasonal ceremonies were very important for agri...
the issue of curriculum and syllabus evaluation and revision has been in center of attention right from when curriculum came into attention of educational institutions. thus everywhere in the world in educational institutions curricula and syllabi are evaluated and revised based on the goals, the needs, existing content, etc.. in iran any curriculum is designed in a committee of specialists and...
در ضمن تدوین فلور ایران مربوط به جنس کوزینیا بخش سراتولوئیده تعداد دو گونه جدید برای علم گیاهی کشف گردید که در این مقاله کسب اعتبار می نمایند. یکی از گونه ها به نام cousinia farimanensis نامگذاری می شود که از اطراف فریمان دراستان خراسان جمع آوری شده است. این گونه، به گونه c. concolor شباهت دارد که منطقه انتشار آن در شمال منطقه انتشار گونه جدید قرار گرفته است. علاوه بر این گونه جدید، با داشتن بر...
گونه primula fedtschenkoi که براساس فلورا ایرانیکا پراکنش آن تا کنون فقط از افغانستان و ازبکستان گزارش شده است، در این مقاله برای اولین بار از ایران (استان خراسان) گزارش می شود. این گونه از نظر ویژگی های ریخت شناسی با گونه شبیه به آن مقایسه شده است و تصویرها و نقشه پراکنش آن در ایران نشان داده شده است.
three medium magnitude events happened inside the transitional border of south alborz and central iran; namely kahak-qom 2007/06/18 event with ml 5.6, zanjan 2008/05/27 event with ml 5.3 and aradan-garmsar 2007/11/19 event with ml 5.1. this provides us the opportunity to compute focal mechanism and stress drop of the events and compare them with those events happened within the alborz range.
Considering fundamental changes in the classification of angiosperms, based on phylogenetic studies, makes revising and updating Floras inevitable. Hence, in this paper, changes in the flora of Afghanistan have been listed and compared with the flora of Iran. As the latest studies indicate, according to APG IV system, the flora of Afghanistan comp-rises 40 orders, 130 families, about 1030 gener...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید