نتایج جستجو برای: n 14
تعداد نتایج: 1272662 فیلتر نتایج به سال:
N–H cleavage vs. Werner complex formation: reactivity of cationic group 14 tetrelenes towards amines
In order to evaluate the response of major nutrients concentration, uptake and their efficiencies of isabgol (Plantago ovata) to N fertilizer combinations and irrigation regimes, a field experiment was conducted at the agricultural research farm of Shahrekord University, 2009. The experiment was arranged as split-plot, in randomized complete block design with three replications. The irrigation ...
چکیده: آنولن ها ترکیبات جالبی در شیمی هستند. علاوه بر شیمی گسترده آنها ساختارشان هم مورد توجه ویژه است. یک دسته مهم از آنها، ]8[ آنولن ها می باشند که از لحاظ تئوری ضد آروماتیک هستند و طبیعتاً ایزومر های دی آزوسین، دی فسفسین و آزافسفسین هم باید رفتار مشابه با آن داشته باشند. در این پروژه برای بررسی عوامل موثر بر پایداری ایزومرهای مختلف دی آزوسین (daz)، دی فسفسین (dap) و آزافسفسین (dax)، که در...
line n-78-14 with the pedigree of sha4/chil cm91099-25y-om-3n-1y-oyz-o10m-oy-3m-o10 was obtained from cimmyt, mexico in 1996 through high rainfall wheat screening nursery. preliminary evaluation of the genotypes in international nursery in gorgan and sari research stations during 1996-97 cropping season, resulted in selection of this line as one of the most high yielding genotypes. selected lin...
We have reported in this journal1) the biosynthesis of the glycocinnamoyl moieties of the antibiotic cinodine (Fig. 1), the broad-spectrum antibiotic discovered and identified at the Lederle Laboratories2,3). The glycocinnamoyl moieties were found to originate directly from D-glucosamine and L-tyrosine by isotope incorporation studies. The biosynthesis of the rest of the molecule, i.e., the spe...
A computational study at the level density functional theory (DFT) was carried out to investigate the influences of Si and C-doping on the N and Al quadrupole coupling constant in the (10, 0) zigzag single – walled Aluminum-Nitride nanotube (AlNNT). To this aim, a 1.16nm, length of AlNNT consisting of 40 Al atoms and 40 N atoms were selected where the end atoms are capped by hydrogen atom. To f...
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