نتایج جستجو برای: physiological and chemical characteristics

تعداد نتایج: 16952984  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1389

fluorescence chemical sensors for the highly sensitive and selective determination of pb2+ , hg2+, co2+ and fe3+ ions in aqueous solutions are described. the ion sensing system was prepared by incorporating lipophilic ligand (l) as a neutral ion-selective fluoroionophore in the plasticized pvc membrane containing sodium tetraphenylborate or potasium tetrakis (p-chlorophenyl) borate as a liphoph...

Journal: :journal of agricultural science and technology 2011
s. maleki-farahani m. r. chaichi d. mazaheri r. tavakkol afshari gh. savaghebi

the effect of different fertilizing systems and drought stress during grain development on grain minerals of barley (hordeum vulgare l.) was studied in field experiments on a clay-loamy soil during 2007 and 2008 growing seasons. the treatments consisted of three irrigation regimes (main plots) of: non-stressed (ns, normal irrigation continued until the end of plant physiological maturity), ...

Journal: :iranian journal of microbiology 0
d selvakumar department of aquatic biology and fisheries, university of kerala, kariavattom campus, trivandrum 695 581, kerala, india. k arun department of biotechnology, avvm sri pushpam college, poondi, thanjavur613 503, tamil nadu, india. s suguna department of biotechnology, avvm sri pushpam college, poondi, thanjavur613 503, tamil nadu, india. d kumar department of biotechnology, avvm sri pushpam college, poondi, thanjavur613 503, tamil nadu, india. k dhevendaran department of aquatic biology and fisheries, university of kerala, kariavattom campus, trivandrum 695 581, kerala, india.

background and objectives: in the present study, isolation of streptomyces associated with marine sponges and its bioactive potential against fish and shellfish pathogens were assessed. the streptomyces sp. were isolated from the marine sponges namely callyspongia diffusa, mycale mytilorum, tedania anhelans and dysidea fragilis collected from vizhinjam port, situated in the south-west coast of ...

Journal: :علوم زیستی ورزشی 0
سعید نظری کارشناس ارشد فیزیولوژی ورزش دانشگاه شهید بهشتی علیرضا سلیمی آوانسر استادیار فیزیولوژی ورزش دانشگاه شهید بهشتی وحید نظری کارشناس ارشد مدیریت ورزش دانشگاه مازندران

the aim of this study was to investigate anthropometric and physiological characteristics in junior volleyball players for talent identification according to their volleyball playing positions. 15 junior national volleyball players (mean age 17.7±0.3 years) participated in this study. players were classified to five groups according to their playing positions: setters, liberoes, middle blockers...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1370

دسته ای از ترکیبات شیمیائی که مخصوصا با گسترش زندگانی جدید (ماشینی)اهمیت فرآینده ای پیدامی کنند، افزودنیهای مختلف غذائی میباشند که در صنایع مربوطه بکار گرفته می شوند بکارگیری بخشی از این موا تحت عنوان طعم دهنده ها بمنظور تامین طعم و مزه طبیعی درفرآورده های صنعتی تقریبا اجتناب ناپذیر گشته و همگام با توسعه تولیدات روبه توسعه می رود. یک شناخت سیستماتیک و جامع از خواص و آثار اینگونه مواد طبیعتا مست...

Acetyl coenzyme A is an important molecule in metabolism playing role in many biochemical reactions.  Its main function is to convey the carbon atoms within the acetyl group to the citric acid cycle (Krebs cycle) to be oxidized for energy production. In order to find out if this chemical compound could affect physiological and morphological characteristics of rosemary plant, the present study w...

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