نتایج جستجو برای: mahan

تعداد نتایج: 187  

Journal: :Catalysts 2021

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 ...

2008
Martina Hentschel Georg Röder Denis Ullmo

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...

2017
Laura Lee McIntyre

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...

Journal: :Physical review letters 2011
André Schleife Claudia Rödl Frank Fuchs Karsten Hannewald Friedhelm Bechstedt

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...

2015
Susmita Roy

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...

2013
F. Esra Güneş

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...

2001
David H. Baker Ioannis Mavromichalis Douglas M. Webel

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...

ژورنال: علوم آب و خاک 2013

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...

2006
Mahan Mj Lawrence Reeves

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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