نتایج جستجو برای: potential step
تعداد نتایج: 1303668 فیلتر نتایج به سال:
Support Vector Regression (SVR) has been widely applied in time series forecasting. Considering long term predictions, iterative predictions perform many one-step-ahead predictions until the desired horizon is achieved. This process accumulates the error from previous predictions and may affect the quality of forecasts. In order to improve long term iterative predictions a hybrid multiple Autor...
There is much evidence to suggest that psychotherapy is effective, however, it is far from flawless (e.g., Lilienfield, 2007; Stuart, 1970). As the field of mental health changes, there has been a recent movement in routine practice toward the use of standardized measures to track client progress and to collect feedback about treatment response (Lambert & Shimokawa, 2011). The use of standardiz...
El-Sayeh et al (2006) raise some important issues regarding the design and reporting of clinical trials. However, we feel that the conclusion that ‘aripiprazole has been licensed despite the fact that few reliable data on this drug are publicly available’ merits further clarification. Aripiprazole was first approved in November 2002 in the USA, and in 2004 in Europe, based on the submission of ...
Submitted for the MAR10 Meeting of The American Physical Society Berry-phase effect on reflection amplitude in bilayer graphene with potential step SUNGHUN PARK, H.-S. SIM, KAIST — We theoretically study the phase of the reflection amplitude of an electron at a lateral potential step in Bernal-stacked bilayer graphene [1]. The phase shows an anomalous jump of π, as the electron incidence angle ...
Complex aircraft require periodic maintenance checks to assess needed repairs for continued vehicle availability. However, such checks are expensive and the associated aircraft downtime can reduce fleet mission effectiveness. The United States Air Force plans to consolidate the time-based (isochronal) C-5 aircraft major inspection activities for eight C-5 home stations into three locations. Iso...
We present the development of a LabVIEW multimedia module for introductory Quantum Physics courses and our experience in the use of this application as an educational tool in learning methodologies. The program solves the Time Dependent Schrödinger Equation for arbitrary potentials. We describe the numerical method used for solving this equation, as well as some mathematical tools employed to r...
A simple approach for the screening of oxygen evolution reaction (OER) electrocatalyst arrays by scanning electrochemical microscopy (SECM) in the substrate generation/tip collection (SG/TC) mode is described. The methodology is based on the application of a series (9−10 replicates) of double-potential steps to a catalytically active substrate electrode, which is switched between potentials whe...
We consider driven systems where the driving induces jumps in energy space: (1) particles pulsed by a step potential; (2) particles in a box with a moving wall; (3) particles in a ring driven by an electro-motive-force. In all these cases the route towards quantum-classical correspondence is highly non-trivial. Some insight is gained by observing that the dynamics in energy space, where n is th...
The polarity shift problem is amajor factor that affects classification performance ofmachinelearning-based sentiment analysis systems. In this paper, we propose a three-stage cascade model to address the polarity shift problem in the context of document-level sentiment classification. We first split each document into a set of subsentences and build a hybrid model that employs rules and statis...
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