نتایج جستجو برای: number of total leaves

تعداد نتایج: 21213808  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1393

چکیده کنه تارتن دو لکه ای tetranychus urticae koch یکی از چندخوارترین آفات شناخته شده محصولات کشاورزی دنیا به حساب می آید. در این بررسی جمعیت تخم و مراحل فعال این کنه در شرایط آلودگی طبیعی و مصنوعی در برگ های 8 رقم لوبیا در سال 1392 در گلخانه و مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه ارومیه موردمطالعه قرار گرفت. آزمایش به صورت طرح کاملاً تصادفی برای شرایط مزرعه در10 تکرار و برای شرایط گلخانه ای...

baninasab, bahram, fattahi, masoud, mohammadkhani, abdorahman, ravash, roudabeh, shiran, bahram,

This study was designed to investigate the effect of Mycorrhiza symbiosis on some orphophysiological characteristics of four different pistachio rootstocks under salinity stress. This research was conducted in a completely randomized design with factorial arrangement with three factors. The factors were included rootstocks at four levels (Badami-e Riz Zarand, Qazvini, Sarakhs, and UCB1), mycorr...

نظری دلجو, محمد جواد, کنعانی, مهران,

Fragrant tuberose is the most important scented cut flower of Iran, which rank 4th among other cut flowers, based on the cultivation area and production. Due to the scarcity of water resources, soil constraints, and the aim of comparison and possible substitution of soil cultivation with soilless cultivation of tuberose, a pot experiment was conducted as factorial, based on completely randomize...

Journal: :Transactions of the American Mathematical Society 1988

2008
Gregory Gutin

An out-tree T in a digraph D is subgraph of D which is an orientation of a tree that has only one vertex of in-degree 0 (root). A vertex of T is a leaf if it has out-degree 0. A spanning out-tree is called an out-branching. We’ll overview some recent algorithmic and theoretical results on out-branchings with minimum and maximum number of leaves.

Journal: :jundishapur journal of natural pharmaceutical products 0
mohammad ali nasseri department of chemistry, college of sciences, university of birjand, birjand, ir iran; department of chemistry, college of sciences, university of birjand, birjand, ir iran. tel/fax: +98-5612502065 saeideh sharifi bigy department of chemistry, college of sciences, university of birjand, birjand, ir iran ali allahresani department of chemistry, college of sciences, university of birjand, birjand, ir iran mohammad malekaneh department of biochemistry, faculty of medicine, birjand university of medical sciences, birjand, ir iran

conclusions further investigations are needed about favorable composition of unsaturated fatty acids and flavonoid content of leaves of s. paradoxa. in addition, due to high phenolic content of the leaves, s. paradoxa is a promising source of natural antioxidants and may play good antidiabetic activity. results the amount of total phenolic compounds was higher in leaves than roots. besides, roo...

2002
TIE Noah E. FRIEDKIN

Social psychological theory on interpersonal attachments suggests that the strength of a relationship develops in stages. This paper proposes a measure of the strength of an interpersonal tie that is consistent with this social psychological theory. Three findings are reported from a study of adult (Ego-Alter) dyads in six communities. (1) Ego’s claims of frequent discussion with Alter, seeking...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه یزد - دانشکده جغرافیا 1392

the west of esfahan province, iran, is one of the most important agricultural areas throughout the country due to the climate variability and life-giving water of zayanderood river. rice is one of the major and economic crops in this area. the most important climatic elements in agricultural activities which should be considered include temperature, relative humidity, precipitation and wind. so...

Journal: :the iranian journal of pharmaceutical research 0
min zhang department of biology, college of life & environment science, shanghai normal university, guilin rd, shanghai, china. jianguo cao department of biology, college of life & environment science, shanghai normal university, guilin rd, shanghai, china. xiling dai department of biology, college of life & environment science, shanghai normal university, guilin rd, shanghai, china. xuefei chen department of biology, college of life & environment science, shanghai normal university, guilin rd, shanghai, china. quanxi wang department of biology, college of life & environment science, shanghai normal university, guilin rd, shanghai, china.

the present study was designed to explore the flavonoid contents and the radical scavenging activities of 50% ethanol extracts of leaves, stems, rachis and roots of dryopteris erythrosora. the total flavonoid contents in various parts were determined as: stems > roots > rachis > leaves. all extracts from different parts of d. erythrosora showed strong bioactivities. the dpph free radical scaven...

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