نتایج جستجو برای: while it decreased potassium concentration in roots

تعداد نتایج: 17174816  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان - دانشکده شیمی 1390

abstract venlafaxine, 1–[2–(dimethylamino)–1–(4–methoxyphenyl) ethyl]cyclohexanol hydrochloride is a novel non-tricyclic antidepressant. venlafaxine is a second generation antidepressant drug, has a neuropharmacologic profile distinct from that of existing antidepressants including tricyclic compounds, selective serotonin reuptake inhibitors and monoamine oxidase inhibitors. venlafaxine impart...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیراز - دانشکده علوم پایه 1392

a novel and ultra low cost isfet electrode and measurement system was designed for isfet application and detection of hydronium, hydrazinium and potassium ions. also, a measuring setup containing appropriate circuits, suitable analyzer (advantech board), de noise reduction elements, cooling system and pc was used for controlling the isfet electrode and various characteristic measurements. the t...

Journal: :علوم باغبانی ایران 0
حسن احمدی دانشجوی سابق کارشناسی ارشد، پردیس کشاورزی و منابع طبیعی، دانشگاه تهران مجتبی دلشاد دانشیار پردیس کشاورزی و منابع طبیعی، دانشگاه تهران مصباح بابالار استاد پردیس کشاورزی و منابع طبیعی، دانشگاه تهران

the aim of this study was to evaluate the effect of different potassium (k) and nitrogen (n) concentrations in nutrient solution and their interaction on growth and quality of tomato transplants. a full factorial experimental design was carried out with three potassium concentrations (1.5, 3 and 6 meql-1) and three nitrogen concentrations (1.5, 3 and 6 meql-1) for 27 days after seed germination...

This study was conducted to determine the effects of Artemisia sieberi extract (0.2%, 0.4%, and control) on germination, some morphological characteristics, photosynthesis pigments, and nutrients uptake of Peganum harmala. Results showed that the extract of A. sieberi had a significant effect on seed germination and morphological characteristics of P. harmala. The highest seed germination was c...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

deposite the different criticisms on contrastive analysis it has been proved that the results of it(when processed)can be usuful in a tefl environment,specially at the level of phonology.this study is an attempt to compare and contrast the sound systems of kurdish and english for pedagogical aims. the consonants,vowels,stress and intonation of the twolanguages are described by the same model-ta...

Journal: :علوم باغبانی 0
عبدالرضا سجادی نیا حمید روستا محمد سوری اصغر رحیمی

abstract in this study different proportions of nh4+ and no3- in the growth medium on plant growth were investigated in hydroponic greenhouse experiments. the objectives of these studies were to investigate if ammonium (nh4+) stress in cucumber, a species sensitive to nh4+ toxicity, can be alleviated by matching the nitrogen supply rate to the plant nitrogen demand. ammonium was applied at a re...

Journal: :Plant physiology 2014
Tianyuan Yang Song Zhang Yibing Hu Fachi Wu Qingdi Hu Guang Chen Jing Cai Ting Wu Nava Moran Ling Yu Guohua Xu

In plants, K transporter (KT)/high affinity K transporter (HAK)/K uptake permease (KUP) is the largest potassium (K) transporter family; however, few of the members have had their physiological functions characterized in planta. Here, we studied OsHAK5 of the KT/HAK/KUP family in rice (Oryza sativa). We determined its cellular and tissue localization and analyzed its functions in rice using bot...

Journal: :علوم و فنون کشت های گلخانه ای 0
نسرین فرزانه n. farzaneh احمد گلچین a. golchin کاظم هاشمی مجد k. hashemi majd

the effects of different levels of nitrogen (100, 200, 300 and 400 mg/l) and potassium (125, 250 and 375 mg/l) on yield and leaf n and k concentrations of tomato were investigated in perlit culture using a factorial randomized design with three replications. the highest fruit yield was obtained with 200 mg/l n. higher levels of nitrogen decreased tomato yield. with increasing nitrogen concentra...

Journal: :emergency journal 0
saeed safari emergency department, shohadaye tajrish hospital, shahid beheshti university of medical sciences, tehran, iran iraj najafi department of nephrology, dr. shariati hospital, tehran university of medical sciences, tehran, iran mostafa hosseini department of epidemiology and biostatistics, school of public health, tehran university of medical sciences, tehran, iran alireza baratloo emergency department, shohadaye tajrish hospital, shahid beheshti university of medical sciences, tehran, iran mahmoud yousefifard department of physiology, school of medicine, tehran university of medical sciences, tehran, iran hamidreza mohammadi emergency department, shohadaye tajrish hospital, shahid beheshti university of medical sciences, tehran, iran

introduction: many of those who survive following an earthquake die in the next phase due to preventable and treatable medical conditions such as hyperkalemia. the present study aimed to evaluate the trend of potassium changes in crush syndrome patients of bam earthquake. methods: in this retrospective cross-sectional study, using the database of bam earthquake victims, which were developed by ...

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

abstract since heubners (1985) pioneering study, there have been many studies on (mis) use/ non-use of articles by l2 learners from article-less and article languages. the present study investigated how persian l2 learners of english produce and interpret english definite descriptions and demonstrative descriptions. it was assumed that definite and demonstrative descriptions share the same cen...

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