نتایج جستجو برای: 4s
تعداد نتایج: 3604 فیلتر نتایج به سال:
The effect of strain on the CeNi5 system has been investigated using density functional theory (DFT). The studies have shown that localised Ce 4f and Ni 3d states carry the magnetic moment of the material. The Ce 4f moment remains relatively unchanged during strain whereas the Ni 3d moment increases as the strain becomes increasingly tensile in both the basal and non-basal directions. A signifi...
در این مقاله، اثر زاویه قرارگیری الیاف بر روی چقرمگی شکست بین لایه ای در مودI ماده مرکب الیاف شیشه/ اپوکسی، به طور تجربی مورد بررسی قرار می گیرد. به عبارتی به بررسی نمونه ها در پدیده تورق و پدیده پل زنی در الیاف می پردازیم. بدین منظور از آزمون تیر یکسر گیردار دولبه با ترک اولیه یکسان برای همه نمونه ها استفاده می شود. بدین منظور نمونه های مورد نظر، با الیاف شیشه با بافت دو بعدی، که تا کنون انجام...
The objective of this study was to evaluate a partially introgressed (Gossypiumbarbadense L. × G. hirsutum L.) population of cotton for two years. The traits that studied were lint yield per plant, lint %, fiber length, fiber strength and micronaire. A total of 31 cytogenetically stable lines (2n=4x=52) were produced from a cross between a G. barbadense line, Carnak and a G. hirsutumline, 4S,...
Collisions between nitrogen (N) and ion (N+) are fundamental phenomena in the Earth planetary atmospheres. In this work, we carried out a theoretical study of collision data for N(4S)–N+(3P) N(4S)–N+(1D) interactions, including scattering cross sections integrals. Potential energy curves N2+ obtained using state-of-the-art ab initio method then used to provide input calculations resonant charge...
Response to Simvastatin Therapy in Scandinavian Simvastatin Survival Study (4S) To the Editor: Ballantyne et al1 compared the coronary heart disease (CHD) event rate and the response to simvastatin therapy in a subgroup of approximately 500 individuals from the Scandinavian Simvastatin Survival Study (4S) study with “isolated increased LDL-C” with a similarly-sized subgroup that had not only an...
Magnetic anisotropy is generated in two related d 7 single-molecule magnets; (1) via 3d-4s orbital mixing Fe I ; and (2) a non-Aufbau ground state Co II , demonstrating that the electronic configurations are large retained independent of geometry.
The 7Fe ferredoxin of Rhodobacter capsulatus (FdII) could be expressed in Escherichia coli by cloning the fdxA gene coding for FdII downstream from the lac promoter. The expressed recombinant ferredoxin appeared as a brown protein which was specifically recognized in E. coli cell-free extracts by anti-FdII serum. The purified recombinant ferredoxin was indistinguishable from R. capsulatus FdII ...
Zn(O,S) buffer layer electronic configuration is determined by its composition and thickness, tunable through atomic layer deposition. The Zn K and L-edges in the X-ray absorption near edge structure verify ionicity and covalency changes with S content. A high intensity shoulder in the Zn K-edge indicates strong Zn 4s hybridized states and a preferred c-axis orientation. 2-3 nm thick films with...
We study the states arising from the [Ar]4s(2)3d6 and [Ar]4s(1)3d7 configurations of iron atom with explicitly correlated wave functions. The variational wave function is the product of the Jastrow correlation factor times a model function obtained within the parametrized optimized effective potential framework. A systematic analysis of the dependence of both the effective potential and the cor...
In this paper, we present new infinite families of three and four variable orthogonal designs based on several constructions derived from complementary sequences. The above method leads to the construction of many classes of orthogonal designs. In addition, we obtain new infinite families of weighing matrices constructed by complementary sequences, such as W (144 + 4s, 144) and W (224 + 4s, 196...
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