نتایج جستجو برای: in southern ones on species cousinia multiloba dc
تعداد نتایج: 19135115 فیلتر نتایج به سال:
Two new species of Cousinia are described from Iran. Cousinia bornmulleriana from the west that can be placed in sect. Haussknechtii based on some key characters such as flower numbers, phyllary numbers and the inflorescence form traits. This species can be also compared with its closest relative C. haussknechtii. and C. karkasensis. The second new species, C. semnanensis, from North East of Ir...
gol-e-gohar iron ore mine of sirjan in southern part of iran is a large open pit that operates below the groundwater table and during mining operation, dewatering is required to prevent operation processes from flooding. current operation is going on by digging wells in or out of the pit and pumping to prevent flooding. as a result of the former dewatering operation a vast deep cone of depressi...
چکیده به منظور بررسی اثر تنوع گیاهی و نوع منبع تغذیه ای بر تنوع و تراکم علفهای هرز و حشرات، کارایی مصرف نهاده ها ( نور، آب، عناصر غذایی) و عملکرد و خصوصیات کیفی چند گونه زراعی، آزمایشی به صورت کرتهای خردشده بر پایه طرح بلوکهای کامل تصادفی با سه تکرار در دو سال زراعی 1385-1384 و 1386-1385 در مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه فردوسی مشهد به اجرا درآمد. تیمارهای مورد بررسی دو منبع کود دامی و...
two groups of students were assigned as experimental and control ones, and were given instruction on directed reading-thinking activities and after some treatment, they were post-tested. although the initial pre-test did not show any significant differences, the final post-test result revealed that the cooperative reading comprehension helped the experimental group. the cooperative students’...
Original meiotic or both and mitotic chromosome numbers are reported for ten endemic one non species in nine vascular plant families from Iran. The of Acantholimon schahrudicum, A. truncatum, Anthochlamys multinervis, Campanula perpusilla, Cousinia calcitrapa var. interrupta, Dorema ammoniacum, Euphorbia gedrosiaca, Hyocyamus orthocarpus were determined the first time. counts Astrodaucus persic...
The meiotic chromosome counts are reported in 10 species of the genus Cousinia including: C. adenostegia, C. antonowii, C. chaetocephala, C. dasylepis, C. eriobasis, C. freynii, C. prasina, C. rechingerorum, C. termei and C. trachyphyllaria from Iran. Specimens have been collected from different parts of Iran out of which, eight species are considered to be new and two provide confirmation of t...
this study examines the effetivenss of task-based activities in helping students learn english language structures for a better communication. initially, a michigan test was administered to the two groups of 52 students majoring in english at the allameh ghotb -e- ravandi university to ensure their homogeneity. the students scores on the grammar part of this test were also regarded as their pre...
there is no doubt that human being needs to become integrated with industry and industry needs to be progressed, daily. on the other hand, serious events in industrial units specially in oil industries has been shown that such damages and events are industry related ones. the consequence of such events and damages which resulted in chemical and poisoned explosions and loss of life and property ...
in this thesis a calibration transfer method is used to achieve bilinearity for augmented first order kinetic data. first, the proposed method is investigated using simulated data and next the concept is applied to experimental data. the experimental data consists of spectroscopic monitoring of the first order degradation reaction of carbaryl. this component is used for control of pests in frui...
گونه های cousinia parsana و c. shebliensis به ترتیب از ارتفاعات الوند (همدان) و گردنه شبلی (نزدیک تبریز) به عنوان گونه های جدید شرح داده می شوند. گونه اول نزدیک به گونه c. elwendensis bornm. است ولی در تعداد گل، طول جام، تعداد براکته و بعضی صفات دیگر از آن جدا می شود. گونه دوم با c. gilliatii rech. f. قرابت دارد ولی در صفاتی چون فقدان پوشش کرکی سفید رنگ، تعداد گل، اندازه براکته ها و برگشته بودن...
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