نتایج جستجو برای: mahan
تعداد نتایج: 187 فیلتر نتایج به سال:
In this study, we report the catalyst-free growth of n-type wurtzite InN, along with its optical properties and carrier dynamics different surface dimensionalities. The self-catalyzed epitaxial InN nanorods grown by metal–organic molecular-beam epitaxy on GaN/Al2O3(0001) substrates has been demonstrated. substrate temperature is dominant in controlling nanorods. A dramatic morphological change ...
Many-body phenomena, a key interest in the investigation of bulk solid state systems, are studied here in the context of the x-ray edge problem for mesoscopic systems. We investigate the many-body effects associated with the sudden perturbation following the x-ray excitation of a core electron into the conduction band. For small systems with dimensions at the nanoscale we find considerable devi...
Overview: In the United States, it is estimated the prevalence of intellectual and developmental disabilities (IDD) for children is between three to four percent (Emerson, 2012). Although a considerable number of intervention approaches have been developed for individuals with IDD, it is likely that children with IDD require a unique approach. One promising and strongly supported intervention a...
Electron doping turns semiconductors conductive even when they have wide fundamental band gaps. The degenerate electron gas in the lowest conduction-band states, e.g., of a transparent conducting oxide, drastically modifies the Coulomb interaction between the electrons and, hence, the optical properties close to the absorption edge. We describe these effects by developing an ab initio technique...
Rajbanshis, the descendants of Koches, are living in the Terai and Brahmaputra valley of the eastern Himalaya for thousands of years. This area is a treasure house of biodiversity. Traditionally being settled agriculturist, people under this community have a vast array of knowledge on the uses of plants. They inherit the knowledge of using plants for the treatment of common diseases prevailed i...
The purposes of medical nutrition therapy in dialysis patients are to promote the nutrition to correct patients’ appetite, to correct systemic complications composed by the loss of nephrons in progress, to reduce of protein catabolism to the lowest level, to relieve or prevent the cardio‐ vascular, cerebrovascular, peripheral vascular diseases formation, to prevent increasing fluid and electrol...
Pharmacologic levels of supplemental Zn are well established as growth promoters for newly weaned pigs. Feed-grade zinc oxide (ZnO) manufactured by the Waelz process dominates the feed-grade Zn market for pigs, and this source of ZnO also has been most heavily researched as a growth promotant for nursery pigs (Hahn and Baker, 1993; Hill et al., 1999; Mahan et al., 2000; Mavromichalis et al., 20...
Study of land use effects on soil quality indicators leads to sustainable management and preventing progressive land degradation. The TM (1987) and ETM+ (2000 and 2005) data were used to study land use change effects in Mahan-Joopar area on soil quality indicators. Fifty random soil samples from 0-30 cm depth of each land use were taken using provided maps. Organic matter, microbial respiration...
We prove a combination theorem for trees of (strongly) relatively hyperbolic spaces and finite graphs of (strongly) relatively hyperbolic groups. This gives a geometric extension of Bestvina and Feighn's Combination Theorem for hyperbolic groups.
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