نتایج جستجو برای: edx
تعداد نتایج: 5172 فیلتر نتایج به سال:
Using Deep Level Transient Spectroscopy (DLTS), we have investigated the properties of the DX center in GaAsP for the whole range of alloy composition x. We have determined the variation of the defect characteristics (thermal ionization energy Ei, barrier for electron capture B, and energy level location EDX) versus x. From the relationship that exists between Ei, B and EDX, and between B and D...
The origins of distinctive compositional dependence of relative permittivity, 計r, in the Pb-free piezoelectric system (1-x)Na0.5K0.5NbO3-xLiTaO3, x≤ 10 mol% modified with BiScO3 have been revealed using transmission electron microscopy with energy dispersive X-ray analysis (TEM-EDX). As the LiTaO3 content increased the Curie peak at ~370°C in 計r –T plots became more diffuse, and at x= 5 mol% an...
Nano oxides of Manganese Nickel and Cobalt Nickel were synthesized by chemical coprecipitation method from the reaction of respective metal sulfides of manganese, nickel, cobalt and sodium carbonate using ethylene diamene tetra acetic acid as an effective capping agent. The carbonate precursors were heated at different temperatures so as to form their oxides. Through the X-ray line broadening t...
The emerging of nanoparticles into the living system especially for medical purposes has opened up a new challenge of synthesizing them in a benign fashion. In the present study, 5 endophytic fungi were isolated from the mangrove leaves of Rhizophora annamalayanna and among that A. terreus was produced the AgNPs extracellularly and the presence of AgNPs was confirmed by XRD, SEM with EDX, TEM a...
This paper studies the properties of thermally evaporated 1 μm of aluminium (Al) thin films on polyimide (PI) and polyethylene terephthalate (PET) substrates at room temperature with thermal evaporation in a vacuum of about 3 x 10 -5 Torr for use as window materials for solar cells. Effects of substrate types on the structural and electrical characteristics of the films were studied. Sets of ex...
This paper introduces the “Search, Align, and Repair” datadriven program repair framework to automate feedback generation for introductory programming exercises. Distinct from existing techniques, our goal is to develop an efficient, fully automated, and problem-agnostic technique for large or MOOC-scale introductory programming courses. We leverage the large amount of available student submiss...
The enhancement of the performance of advanced nitride-based optoelectronic devices requires the fine tuning of their composition, which has to be determined with a high accuracy and at the nanometer scale. For that purpose, we have evaluated and compared energy dispersive X-ray spectroscopy (EDX) in a scanning transmission electron microscope (STEM) and atom probe tomography (APT) in terms of ...
INTRODUCTION This study evaluated the applicability of diffusion tensor imaging (DTI) of therapeutic ultrasound (US) and wrist splints in addition to clinical and electrophysiological assessments of patients with carpal tunnel syndrome (CTS). METHODS This prospective study analyzed 41 patients (30 women, 11 men; 56 wrists) with CTS. Therapeutic US and wrist splints were performed for 3 and 4 ...
Experiments on encapsulating Pt-labelled DNA molecules inside multiwalled carbon nanotubes (MWCNT) were performed under temperature and pressure conditions of 400K and 3 Bar. The DNA-CNT hybrids were purified via agarose gel electrophoresis and analyzed via high resolution transmission electron microscopy (HR-TEM) and energy dispersive X-ray spectroscopy (EDX). The results showed that the Pt-la...
Tobacco (Nicotiana tabacum) was recently shown to detoxify heavy metals by exudation of metals as a metalsubstituted calcite (calcium carbonate) through leaf trichomes. In this paper, we describe the applications of the variablepressure scanning electron microscopy (VP-SEM) system to investigate tobacco trichomes exudates after heavy metal treatment. An energy-dispersive X-ray analysis (EDX) sy...
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