نتایج جستجو برای: diamine chelate
تعداد نتایج: 7316 فیلتر نتایج به سال:
در این پایان نامه سولواتوکرومیسم کمپلکس های مس (ii) با فرمول کلی [cu(y-acac)(diamine)]x ( کهy-acac = لیگاندهای 3-کلرواستیل استوناتو، استیل استوناتو و 3-متیل استیل استوناتو و diamine = لیگاند n,n- دی متیل-n- بنزیل اتان-1و2-دی آمین و x نشان دهنده ی یون های مخالف پرکلرات، تترافنیل بورات، هگزا فلوئورو فسفات و تترا فلوئورو بورات) بررسی گردید. این کمپلکس ها با استفاده از روش های تجزیه ی عنصری، هدایت ...
Nano-fertilizers are designed in order to gradually release their food contents. They are also manufactured in such a way that the time of their liberation matches with the food product requirement. The use of nano-fertilizers leads to an increase in the efficiency of the consumption of food elements. With regard to the strategic importance of cotton plant and the effects of zinc in increasing ...
Peanut is one of the important legume crops and its grain rich in oil (47-53 %) and protein (25-36 %). Peanut has very high nutrient requirement, Hence, in order to evaluate the effects of Zn and Ca nano-chelates and their application methods on yield and some physiological traits in peanut, a field experiment carried out in 2016 cropping season as split plot arrangement based on randomized com...
BACKGROUND The purpose of this study was to assess the in vivo ability of glucosaminic acid-cobalt (II) chelate to reduce glycemia. METHODS Different concentrations of chelate solution were administrated to mice with diabetes induced by streptozotocin. RESULTS Daily oral administration of chelate solution 0.4 mL at various concentrations (0.32-0.4 g/mL) led to reduction in water intake by t...
In order to investigate the effect of humic acid and nano-calcium chelate on Gerbera jamesonii cv. Dune, an experiment was performed as factorial based on a completely randomized design with two factors and three replications in hydroponic conditions. First factor was included: humic acid in 4 concentrations of 0 (control), 500, 1000, and 2000 mg L-1 as drench and the second factor: nano-calciu...
Diamine oxidase was previously measured in human pregnancy serum with putrescine or histamine as substrate. We have now documented the presence of spermidine oxidase activity in pregnancy serum by means of a specific radioactive assay with l '4Clspermidine as substrate and Dowex 50 cation-exchange chromatography to separate products from substrate. The apparent Km of a partially purified prepar...
In order to investigate the effect of zinc - chelate on drought tolerance of Azadi cross wheat, a randomized complete block design was conducted as split plot with three replicates in the Kherameh during 1383 - 1384. The main plot was four drought levels (control and drought stress in the stages of flowering, seed milk stage and two phases, together), and sub plot was zinc - chelate rates 0, 5,...
Six alkali metal tris(HMDS) magnesiate complexes (HMDS, 1,1,1,3,3,3,-hexamethyldisilazide) containing chiral diamine ligands have been prepared and characterised in both the solid- and solution-state. Four of the complexes have a solvent-separated ion pair composition of the form [{M·(chiral diamine)(2)}(+){Mg(HMDS)(3)}(-)] [M = Li for 1 and 3, Na for 2 and 4; chiral diamine = (-)-sparteine for...
To evaluate the effects of different levels of iron (Fe) (from Fe-nano-chelate and Fe-EDDHA sources) on growth parameters, concentration and absorption of Fe and some nutrients in cowpea (Vigna unguiculata) in a calcareous soil, a greenhouse experiment was conducted based on completely randomized design with three replications. Treatments consisted of four levels of Fe (0, 0.135, 0.270 and 0.40...
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