نتایج جستجو برای: C24
تعداد نتایج: 745 فیلتر نتایج به سال:
The structural and electronic properties of C24-2nBn Nn and M@ C24-2nBn Nn (M= alkaline and earth alkaline metals; n=3 and 6) molecules are studied using the Density Functional Theory (DFT). It was found that the most interaction is in M@ C24-2nBn Nn complexes (M=Be, Mg; n=3 and 6). The negative nucleus-independent chemical shifts confirm that C24-2nBn Nn (n=3 and 6) cages exhibit aromatic char...
The structural stabilities, geometry and electronic properties of C24 and some its heterofullerenederivatives are compared at the B3LYP/6-311-EFG**//B3LYP/6-31+G* level of theory. Vibrationalfrequency calculations show that all the systems are true minima. The calculated binding energies ofheterofullerenes show C24 as the, most stable fullerenes by 9.03eV/atom. While decreasing bindingenergy in...
This study was carried out for remediation of drill cutting soil from two oil field sites in Kurdistan Region Iraq. nanotechnology implemented. Heavy metal (Pb, Cd, Cr, Ni and petroleum hydrocarbons (C8-C24, C24-C40, TPH) were analyzed before after soil. The experiment designed. results indicate that the concentration heavy metals (Ni, Cd Cr) within normal range except Pb. result showed removal...
the structural stabilities, geometry and electronic properties of c24 and some its heterofullerenederivatives are compared at the b3lyp/6-311-efg**//b3lyp/6-31+g* level of theory. vibrationalfrequency calculations show that all the systems are true minima. the calculated binding energies ofheterofullerenes show c24 as the, most stable fullerenes by 9.03ev/atom. while decreasing bindingenergy in...
This study was performed to investigate the role of pH and temperature postmortem, and to demonstrate the importance of these factors in determining meat quality. Postmortem pH 45min (pH at 45 min postmortem or initial pH) via analysis of Pearson's correlation showed high positive correlation with pH change pH c24 (pH change from pH 45min to pH 24h postmortem). However, postmortem pH after 24 h...
4.5. C24-Alkylation Reduction Bifurcation in Phytosterol Synthesis 6433 5. Sterol Enzyme Action 6434 5.1. C24 Methylation 6434 5.2. C24-Reduction 6438 5.3. Removal of Nuclear Methyl Groups at C4 6439 5.4. Removal of Nuclear Methyl Group at C14 6441 5.5. Shift of Δ to Δ-Position 6442 5.6. 9β,19-Cyclopropane Ring Opening 6444 5.7. C22 Desaturation 6444 6. Concluding Remarks 6445 Author Informatio...
Sulfatide-reactive type II NKT cells have been shown to regulate autoimmunity and anti-tumor immunity. Although, two major isoforms of sulfatide, C16:0 and C24:0, are enriched in the pancreas, their relative role in autoimmune diabetes is not known. Here, we report that sulfatide/CD1d-tetramer(+) cells accumulate in the draining pancreatic lymph nodes, and that treatment of NOD mice with sulfat...
Heterosis is an important phenomenon in agriculture. However, heterosis often greatly varies among hybrids and among traits. To investigate heterosis across a large number of traits and numerous genotypes, we evaluated 12 life history traits on parents and hybrids derived from five Arabidopsis thaliana ecotypes (Col, Ler-0, Cvi, Ws, and C24) by using a complete diallel analysis containing 20 hy...
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