Volume 26 Issue 1 - February 28, 2014 PDF
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Articles Digest

Research Express@NCKU Feb. 28 ~ Mar. 13, 2014

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Design, Analysis, and Implementation of Solar Power Optimizer for DC Distribution System
Tsorng-Juu Liang

This paper proposes a high step-up solar power optimizer (SPO) that efficiently harvests maximum energy from a photovoltaic (PV) panel then outputs energy to a dc-microgrid. Its structure integrates coupled inductor and switched capacitor technologies to realize high step-up voltage gain. The leakage inductance energy of the coupled inductor can be recycled to reduce voltage stress and power …

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In silico identification of oncogenic potential of fyn-related kinase in hepatocellular carcinoma
H. Sunny Sun

Cancer development is a complex and heterogeneous process. Moreover, cancer is considered to be a genetic disease and develops, at least in part, because of DNA damage1. Generally speaking, genes involved in tumorigenesis are divided into two major categories based on their actions: oncogenes and tumor suppressor genes (TSGs) 2. While oncogenes encode proteins that control …

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Ferroelectric Control of the Conduction at the Oxide Heterointerface
Chung-Lin Wu

Confined charge systems, here located at oxide heterointerfaces, have attracted considerable interest due to their tremendous potential for various optoelectronics and electronic devices having multifunctional properties. Here, in this paper, the modulation of band bending at a complex oxide heterointerface (LAO/STO) by a top ferroelectric layer (PZT) is demonstrated experimentally by using …

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Gradually-varied open-channel flow profiles normalized by critical depth and analytically solved by using Gaussian hypergeometric functions
Chyan-Deng Jan

1. Introduction
Many hydraulic engineering works involve the computation of surface profiles of gradually-varied flow (GVF) that is a steady non-uniform flow in an open channel with gradually changes in its water surface elevation. The most widely used methods for computing GVF profiles could be classified into the step methods and the direct integration methods. Many attempts have been …

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