نتایج جستجو برای: 1 ba and 1 mgl

تعداد نتایج: 17236979  

2017
Kaixian Ba Bin Yu Zhengjie Gao Wenfeng Li Guoliang Ma Xiangdong Kong

Kaixian Ba 1, Bin Yu 1,2,*, Zhengjie Gao 1, Wenfeng Li 1, Guoliang Ma 1 and Xiangdong Kong 1,2,3 1 School of Mechanical Engineering, Yanshan University, Qinhuangdao 066004, China; [email protected] (K.B.); [email protected] (Z.G.); [email protected] (W.L.); [email protected] (G.M.); [email protected] (X.K.) 2 Hebei Provincial Key Laboratory of Heavy Machinery Fluid Power Transmi...

Journal: Journal of Herbal Drugs 2010
Amir Mehdi Shokati Marzieh Shafiee Hajiabad, Nastaran Sadeghi

Background & Aim: Effects of ultra violet spectrum on plants due to their obligatory requirement for sunlight for survival are unavoidable. Direct effects of UV on plant growth and development are generally negative and usually they use many different defense mechanisms to acclimate and protect themselves. Material & Methods: The present research for the first time was conducted to investigate...

Journal: Journal of Herbal Drugs 2010
Amir Mehdi Shokati Marzieh Shafiee Hajiabad, Nastaran Sadeghi

Background & Aim: Effects of ultra violet spectrum on plants due to their obligatory requirement for sunlight for survival are unavoidable. Direct effects of UV on plant growth and development are generally negative and usually they use many different defense mechanisms to acclimate and protect themselves. Material & Methods: The present research for the first time was conducted to investigate...

Nodal explants of Phyla nodiflora (L.) Greene, were cultured on Murashige and Skoog (MS) medium supplemented with different combination and concentration of cytokinins and auxins for multiple shoots regeneration. The maximum numbers of shoots were found in MS medium supplemented with2.5 mgl-16-benzylaminopurine (BA) and 0.5 mgl-1 kinetin (KN). Elongated shoots were transferred to rooting ...

Journal: :iranian journal of natural resources research 2012
yousef ali saadat ladan jokar laila sayyah jahromi

fars province is one of the natural habitats of pyrus species in iran. harvesting of fruits, deforestation, expansion of agriculture and overgrazing in recent years has threatened the wild pear open forests and imposed detrimental effects on their natural regeneration, therefore, investigation on propagation of wild pear species for afforestation is needed. this research was carried out to deve...

Journal: :Journal of environmental biology 2008
D N Saksena R K Garg R J Rao

The physico-chemical characteristics of Chambal river water in National Chambal sanctuary (Madhya Pradesh) have been studied. The stretch of Chambal river contained in the National Chambal sanctuary (located at 25 degrees 23'-26 degrees 52'N, 76 degrees 28'-79 degrees 15'E) is extending up to 600 km downstream from Kota (Rajasthan) to the confluence of the Chambal with Yamuna river (Etawah). Th...

ژورنال: :تحقیقات گیاهان دارویی و معطر ایران 2015
لیلا رازقی مجید عزیزی سید مهدی زیارت نیا عبدالرضا باقری سیدحسین نعمتی

کرفس کوهی (kelussia odoratissima mozaff.) از تیره چتریان از گونه های شناخته شده دارویی بومی مراتع ایران بوده که تاکنون وجود آن در سایر مناطق جهان گزارش نشده است. به دلیل برداشت بی رویه آن در اوایل دوره رویشی و زمان نسبتاً زیاد مورد نیاز برای استقرار و تولید بذر، این گیاه فرصت تجدید حیات و تولید بذر را نداشته و به همین دلیل از گیاهان در معرض انقراض ایران محسوب می شود. پیشرفت های صورت گرفته در زمی...

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2010
nastaran sadeghi marzieh shafiee hajiabad amir mehdi shokati

background & aim: effects of ultra violet spectrum on plants due to their obligatory requirement for sunlight for survival are unavoidable. direct effects of uv on plant growth and development are generally negative and usually they use many different defense mechanisms to acclimate and protect themselves. material & methods: the present research for the first time was conducted to inv...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه لرستان - دانشکده کشاورزی 1392

گلوکان سوکراز ها (glucansucrases)، آنزیم های خارج سلولی هستند که انواعی از گلوکان ها از قبیل دکستران، موتان، آلترنان و روتران را از ساکاروز سنتز می کنند. موتان سوکرازی (gtfi) که توسط باکتری streptococcus downei mfe28 تولید می شود، از ساکاروز بیوپلیمری مهم به نام موتان (mutan) را سنتز می کند. واحدهای گلوکز در موتان عمدتاً با پیوندهای گلوکوزیدی a(1®3) با کمی انشعاب a(1®6) به هم متصل شده اند. یک سا...

Journal: :Journal of environmental biology 2008
T R Shashi Shekhar B R Kiran E T Puttaiah Y Shivaraj K M Mahadevan

In this paper Shannon-Weaver (SI-3.58-4.07, SII-3.1-3.72, SIII-1.64-2.25, SIV-2.54-2.95 and SV-3.09-3.23) diversity index was applied to surface phytoplankton to study the water quality status of river Bhadra receiving Mysore paper mill and Iron and steel mill effluent. A total of 45 species of phytoplankton belonging to 5 classes were recorded and study indicated that the phytoplankton diversi...

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