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Niku temahefte 30, 1999
New Jersey Journal of Communication, 1999
Computational and theoretical chemistry, 2020
We have investigated the optical structural and electronic properties of NH 3 capped (ZnO) 21 and (ZnO) 34 nanoclusters of varying sizes, and their complexes by using density functional theory (DFT. B3LYP functional with LANL2DZ basis set which are implemented in the Gaussian09 package. Structural study of bond length, bond angle and bond distortion increases slightly with increase in the surface passivation. From PDOS there is merely an equivalent contribution to the surface states from ZnO and NH 3 molecules except for 3 NH 3 capping where contribution of ZnO is very less. Surface of nanoclusters is capped upto five NH 3 molecules for both nanoclusters have been examined. The band gap of ZnO clusters decreases with the increase in particle size, illuminating quantum confinement in nanoclusters. The band gap becomes reliable with increase in the surface passivation. Additionally, the uv-vis spectra delivers blue shift of the entire absorption spectra. The amount of spectral displacement from red to blue shift happens due to increase in NH 3. Also the presence of amine group on Zn atom will extensively increases its nucleophilicity.
Archaeological and Anthropological Sciences
In this paper, we investigate the Scandinavian Late Neolithic and Early Bronze Age of Kinnekulle in southwestern Sweden. The above-mentioned periods in the study area are poorly understood and the archaeological record consists of a few stray finds and a concentration of 20 gallery graves. This study focuses on three of the gallery graves where commingled skeletons from successive burials were recovered. The human remains and the artefacts from the graves were used for discussing individual life stories as well as living societies with the aim of gaining new knowledge of the last part of the Neolithic and the beginning of the Early Bronze Age in southwestern Sweden. We focused on questions concerning health and trauma, mobility and exchange networks, and diet and subsistence of the people using the graves. Chronological, bioarchaeological, and biomolecular aspects of the burials were approached through the application of archaeological and osteological studies, as well as stable iso...
Bucură-te, Maica Domnului, apărătoare nebiruită a poporului bine credincios!
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