Volume 29 Issue 5 - July 3, 2015 PDF
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Research Express@NCKU Jul. 3 ~ Aug. 6, 2015

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A Current-Switching and gm–Enhanced Colpitts Quadrature VCO
Kuang-Wei Cheng

Power consumption is one of the most important concerns regarding radio transceivers in wireless medical devices for Medical Device Radio communications Service (MedRadio). For the coverage of broad MedRadio spectrum from 401 to 457 MHz in a single portable communication terminal, circuit designers are ever challenged by the unlimited reduction of transceiver power dissipation. …

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Monitoring of geosmin producing Anabaena circinalis using quantitative PCR
Tsair-Fuh Lin

Geosmin is one of the most commonly observed taste and odor (T&O) compounds present in fresh water bodies. The chemical is a metabolite produced by blue-green algae (now called cyanobacteria) and actinomycetes. It is usually the major cause of many T&O complaints for public water supplies and aquaculture produces. Conventionally, a geosmin associated water-quality issue can be quantified by …

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New chording text entry methods combining physical and virtual buttons on a mobile phone
Fong-Gong Wu

The clicking of virtual keys has resulted in a decrease in input efficiency and an increase in error rate. Due to this, we have developed two new input methods which put into consideration the familiarity of key positions and hand operation, combining the input methods of both the virtual and actual keys. A type of input method named MagArea uses the actual keys installed on the side of the phone …

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Design and usability testing of a learning and plagiarism avoidance tutorial system for paraphrasing and citing in English: A case study
Gi-Zen Liu

The advance of technology and the availability and convenience of Internet and online resources have resulted in a delicate problem that ESL/EFL (English as a second/foreign language) teachers have to face and handle with care: plagiarism. While software is available to detect plagiarism, the fundamental question for English learners is how to avoid textual plagiarism, especially when …

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