نتایج جستجو برای: mesa
تعداد نتایج: 4377 فیلتر نتایج به سال:
Article history: Mormon Mesa, Nevada, US Received 25 January 2008 Received in revised form 1 September 2008 Accepted 12 December 2008
The spatial variation of stress tensor in selective-area metalorganic chemical-vapordeposition-grown GaAs on Si substrate by using a linearly polarized cathodoluminescence (CL) technique has been examined. The polarized CL technique enables a precise determination of the energy positions for the strain-split j= 3/2 valence-band excitonic contributions to the luminescence by a simultaneousdeconv...
OBJECTIVE Metabolic syndrome (MetS) has been associated with increased prevalence of aortic valve calcium (AVC) and with increased progression of aortic stenosis. The purpose of this study was to determine whether MetS is associated with increased risks for the development of new ("incident") AVC or for progression of established AVC as assessed by CT. RESEARCH DESIGN AND METHODS The relation...
Pericardial fat is a localized fat depot associated with coronary artery calcium and myocardial infarction. We hypothesized that genetic loci would be associated with pericardial fat independent of other body fat depots. Pericardial fat was quantified in 5,487 individuals of European ancestry from the Framingham Heart Study (FHS) and the Multi-Ethnic Study of Atherosclerosis (MESA). Genotyping ...
1.3m InGaAsP multiple-quantum-well (MQW) capped mesa buried heterostructure (CMBH) lasers with mesa widths ranging from 1 m (standard single mode) to 100 m (wide area) were fabricated on one wafer with identical current blocking layers at the sides. The single-mode devices had three times larger nominal threshold current density than the wide-area devices. Measurement of gain and loss in the de...
The influence of starting surface topography on the nucleation and growth of epitaxial silicide layers was investigated. CoSi2 layers were grown via the template technique on one-dimensionally patterned Si~100! substrates. These substrates contained mesa stripes, running parallel to Si@011#, and exhibited either a number of Si $hkl% facets, or ‘‘smoothly varying’’ sinusoidal profiles. Conventio...
We have previously shown that local exposure of plants to stress results in a systemic increase in genome instability. Here, we show that UV-C-irradiated plants produce a volatile signal that triggers an increase in genome instability in neighboring nonirradiated Arabidopsis thaliana plants. This volatile signal is interspecific, as UV-C-irradiated Arabidopsis plants transmit genome destabiliza...
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