Search results for: Wei-Fan Chen

Items from 1 to 20 out of 34 results

article

Cross‐disciplinary curriculum integration spaces for emergency management engineering talent cultivation in higher education

Yao‐Yao Wei, Wei‐Fan Chen, Tian Xie, Jian‐Jun Peng

Computer Applications in Engineering Education > 30 > 4 > 1175 - 1189

Cultivating cross‐disciplinary emergency management engineering talent is necessary and significant for responding to major emergencies. As barriers to intercourse and cognition exist between the different disciplines, the massive, heterogeneous, unordered cross‐disciplinary curricula are difficult to integrate. To solve these problems and integrate the courses from various disciplinary curriculum...

article

Effects of bottom electrode on resistive switching of silver programmable metallization cells with GdxOy/AlxOy solid electrolytes

Ya-Ting Chan, Wei-Fan Chen, Jer-Chyi Wang, Chao-Sung Lai

Vacuum > 2017 > 140 > C > 30-34

This study investigated the effects of the bottom electrode (BE) on the resistive switching (RS) of silver programmable metallization cells (Ag-PMCs) with gadolinium oxide and aluminum oxide (Gd_xO_y/Al_xO_y) solid electrolytes (SEs). The RS mechanisms of memories with different bottom electrodes were proposed based on the temperature dependence of the resistance at low resistance state (LRS) and current–voltage...

article

Effects of orthographic consistency and homophone density on Chinese spoken word recognition

Wei-Fan Chen, Pei-Chun Chao, Ya-Ning Chang, Chun-Hsien Hsu, more

Brain and Language > 2016 > 157-158 > C > 51-62

Studies of alphabetic language have shown that orthographic knowledge influences phonological processing during spoken word recognition. This study utilized the Event-Related Potentials (ERPs) to differentiate two types of phonology-to-orthography (P-to-O) mapping consistencies in Chinese, namely homophone density and orthographic consistency. The ERP data revealed an orthographic consistency effect...

article

A Computer-Assistance Learning System for Emotional Wording

Wei-Fan Chen, Mei-Hua Chen, Ming-Lung Chen, Lun-Wei Ku

IEEE Transactions on Knowledge and Data Engineering > 2016 > 28 > 5 > 1093 - 1104

Language learners’ limited lexical knowledge leads to imprecise wording. This is especially true when they attempt to express their emotions. Many learners rely heavily on the traditional thesaurus. Unfortunately, this fails to provide appropriate suggestions for lexical choices. To better aid English-as-a-second-language learners with word choices, we propose RESOLVE, which provides ranked synonyms...

article

Investigation of AlGaN/GaN Ion-Sensitive Heterostructure Field-Effect Transistors-Based pH Sensors With Al₂O₃ Surface Passivation and Sensing Membrane

Han-Yin Liu, Wei-Chou Hsu, Wei-Fan Chen, Chih-Wei Lin, more

IEEE Sensors Journal > 2016 > 16 > 10 > 3514 - 3522

This paper demonstrates an AlGaN/GaN ion-sensitive heterostructure field-effect transistors (ISHFETs)-based pH sensors with an aluminum oxide (Al₂O₃) to serve as a passivation layer and a sensing membrane at the same time. Al₂O₃ was deposited by the ultrasonic spray pyrolysis deposition (USPD) method. It was found that the ISHFET with Al₂O₃ showed a higher pH sensitivity of 55.6 mV/pH, a faster response...

chapter

Using 3-D open source software to facilitate students' spatial visualization skills

Wei-Fan Chen, Pao-Nan Chou, Robert Carey

2015 IEEE Frontiers in Education Conference (FIE) > 1 - 3

2015 IEEE Frontiers in Education Conference (FIE)

This study investigated the effect of Google SketchUp on students' learning achievements in spatial visualization. A quasi-experimental with pre-test and post-test design was used to conduct the research. Eighty-four fifth graders from a public elementary school in Taiwan voluntarily participated in the study. Students from different classes were divided into three instructional modules: Google SketchUp...

article

Enhanced Performances of AlGaN/GaN Ion-Sensitive Field-Effect Transistors Using H₂O₂-Grown Al₂O₃ for Sensing Membrane and Surface Passivation Applications

Han-Yin Liu, Wei-Chou Hsu, Ching-Sung Lee, Bo-Yi Chou, more

IEEE Sensors Journal > 2015 > 15 > 6 > 3359 - 3366

This paper uses H₂O₂ oxidation technique to grow Al₂O₃ on AlGaN/GaN heterostructure. The H₂O₂-grown-Al₂O₃ is served as a sensing membrane and a surface passivation layer. The contact angle of the ion-sensitive field-effect transistor (ISFET) with the H₂O₂-grown-Al₂O₃ is improved from 66.5° to 40.6° and this phenomenon indicates that the hydrophile characteristic is improved after the H₂O₂ treatment...

article

Thickness-Optimized Multilevel Resistive Switching of Silver Programmable Metallization Cells With Stacked SiO_x/SiO₂ Solid Electrolytes

Jer-Chyi Wang, Chun-Hsiang Chiu, Wei-Fan Chen

IEEE Transactions on Electron Devices > 2015 > 62 > 5 > 1478 - 1483

Multilevel resistive switching (RS) characteristics of silver programmable metallization cells (Ag-PMCs) with stacked SiO_x/SiO₂ solid electrolytes have been investigated. Combined with conventional high/low resistance states and additional two middle resistance states (MRS1/MRS2), a multilevel cell operation of stacked-solid-electrolyte Ag-PMCs is achieved and optimized by the film thickness. Furthermore,...

chapter

The effect of post-oxide annealing on H₂O₂-grown Al₂O₃, AlGaN/GaN polarization charges and MOS-HEMT performances

Han-Yin Liu, Wei-Chou Hsu, Ching-Sung Lee, Bo-Yi Chou, more

2014 International Conference on Information Science, Electronics and Electrical Engineering > 1 > 592 - 595

2014 International Conference on Information Science, Electronics and Electrical Engineering (ISEEE)

This work investigates the effect of post oxide annealing (POA) on the AlGaN/GaN MOS-HEMT with a gate oxide grown by the H₂O₂ oxidation technique. The experimental results suggest that the gate dielectric layer with the POA treatment improves the dielectric material quality and MOS-HEMT performances. The dielectric breakdown field (E_BD) of Al₂O₃ is improved from 6.5 to 7.9 MV/cm. In addition, the...

article

Honeycomb-like polymeric films from dendritic polymers presenting reactive pendent moieties

Yu-An Su, Wei-Fan Chen, Tzong-Yuan Juang, Wei-Ho Ting, more

Polymer > 2014 > 55 > 6 > 1481-1490

In this paper we describe the fabrication of honeycomb-shaped polyurethane films from dendritic side-chain polymers presenting reactive pendent units. Two novel functional polyurethanes, poly(urethane-co-acylurea) (PU-PACY) and polyurethane-co-azetidine-2,4-dione containing polyurethane (PU-PAZ), were synthesized. The waxy dendrons featured focal urea/malonamide linkages favorable for hydrogen bonding...

article

Experimental study of a hand-drawn cart for measuring the bridge frequencies

Yeong-Bin Yang, Wei-Fan Chen, Hao-Wen Yu, C.S. Chan

Engineering Structures > 2013 > 57 > Complete > 222-231

This paper presents an experimental study of a hand-drawn cart designed for measuring the bridge frequencies. The technique presented herein is considered as an indirect approach for bridge frequency measurement, in that the vibration sensor is mounted indirectly on the moving cart, rather than on the bridge, as is the case with the conventional direct approach. The idea of developing a hand-drawn...

chapter

Peer evaluation in an undergraduate database management class: A quasi-experimental study

Wei-Fan Chen, Hei-Chia Wang

2013 IEEE Frontiers in Education Conference (FIE) > 179 - 180

2013 IEEE Frontiers in Education Conference (FIE)

This study is to evaluate whether peer evaluation increases student participation and thus improves learning achievement in an e-learning 2.0 environment. We first implemented an e-learning 2.0 platform and then collected data from student participants, including RSS, blogs, Wiki, and other online forums. A quasi-experimental design was used in the study. The student participants were divided into...

article

A novel antithrombotic effect of sulforaphane via activation of platelet adenylate cyclase: ex vivo and in vivo studies

Thanasekaran Jayakumar, Wei-Fan Chen, Wan-Jung Lu, Duen-Suey Chou, more

The Journal of Nutritional Biochemistry > 2013 > 24 > 6 > 1086-1095

Sulforaphane is a naturally occurring isothiocyanate, which can be found in cruciferous vegetables such as broccoli and cabbage. Sulforaphane was found to have very potent inhibitory effects on tumor growth through regulation of diverse mechanisms. However, no data are available concerning the effects of sulforaphane on platelet activation and its relative issues. Activation of platelets caused by...

article

Quadriplegia secondary to cervical spondylotic myelopathy—A rare complication of head and neck surgery

Wei‐Fan Chen, Chung‐Jan Kang, Sai‐Cheung Lee, Chung‐Kan Tsao, more

Head & Neck > 35 > 2 > E49 - E51

BackgroundFree tissue reconstruction after ablation of head and neck malignancy often requires extensive cervical manipulation, which may exacerbate preexisting cervical spondylosis and result in progression to cervical myelopathy. We present a rare case of postoperative quadriplegia caused by cervical spondylotic myelopathy after head and neck reconstruction. Methods and ResultsA 63‐year‐old man...

chapter

A syllable-based prosody modeling for L1 and L2 English speeches

Wei-Fan Chen, Chin-Kuan Kuo, Yih-Ru Wang, Sin-Horng Chen

2012 8th International Symposium on Chinese Spoken Language Processing > 281 - 285

2012 8th International Symposium on Chinese Spoken Language Processing (ISCSLP 2012)

In this paper, a statistical prosody modeling approach for L1 and L2 English speeches is proposed. The study focuses on the modeling of two prosodic-acoustic features: syllable duration and log-pitch contour. Several major affecting factors (AFs) that influence the variations of these two features are considered. They include lexical stress, word length, nearby break type, phonemic constituent of...

article

A novel salvage approach for pedicle axial flap—free‐ization of pedicle internal mammary artery perforator flap

Wei‐Fan Chen, Chung‐Kan Tsao, Ming‐Huei Cheng

Microsurgery > 32 > 4 > 314 - 317

A pedicle flap with distal segment compromise is classically managed by allowing tissue demarcation, debridement of non‐viable tissue, and local tissue manipulation to achieve wound closure. When aggressive debridement leaves insufficient tissue for defect coverage, the original flap is often discarded. We present a case of distal necrosis of a pedicle internal mammary artery perforator flap for cheek...

article

The commissure-based triangular flap for lip revision following reconstruction of a through-and-through defect

Chung-Kan Tsao, Derrick C. Wan, Wei-Fan Chen, Dennis S. Kao, more

Journal of Plastic, Reconstructive & Aesthetic Surgery > 2012 > 65 > 2 > 271-273

chapter

Work in progress — Using a computer gaming strategy to facilitate undergraduates' learning in a computer programming course: An experimental study

Kuo-Chuan Yeh, Wei-Fan Chen

2011 Frontiers in Education Conference (FIE) > S4H-1 - S4H-2

2011 Frontiers in Education Conference (FIE)

This study implemented and evaluated an educational computer game as a supplemental instructional method in a fundamental computer programming course. Twenty undergraduates who enrolled in a fundamental computer programming course for non-computer science majors participated in the study. They were randomly assigned to use one of two different supplemental instruction delivery methods for a three-week...

article

Inhibitory signaling of 17β-estradiol in platelet activation: The pivotal role of cyclic AMP-mediated nitric oxide synthase activation

Gong-Jhe Wu, Jie-Jen Lee, Duen-Suey Chou, Thanasekaran Jayakumar, more

European Journal of Pharmacology > 2010 > 649 > 1-3 > 140-149

Arterial thromboses are mostly composed of platelets adherent to ruptured endothelial surfaces. Platelets are anucleated cells; therefore, they represent an excellent and unique model to selectively investigate the signaling pathways mediating the nongenomic effects of estrogen. The aim of this study was to examine the signal transduction pathways of 17β-estradiol in preventing platelet activation...

chapter

Work in progress — An investigation of varied game-based learning systems in engineering education

Wei-Fan Chen

2010 IEEE Frontiers in Education Conference (FIE) > S1G-1 - S1G-2

2010 IEEE Frontiers in Education Conference (FIE 2010)

This study developed and evaluated two varied game-based learning systems in a software engineering course. The first system adopted a role-playing gaming strategy for students to learn about the process of software development effort estimation in a team-based environment. The second system used a traditional drill-and-practice gaming strategy to guide design. An experimental study involving human...

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INFONA - science communication portal

Search results for: Wei-Fan Chen

Cross‐disciplinary curriculum integration spaces for emergency management engineering talent cultivation in higher education

Effects of bottom electrode on resistive switching of silver programmable metallization cells with GdxOy/AlxOy solid electrolytes

Effects of orthographic consistency and homophone density on Chinese spoken word recognition

A Computer-Assistance Learning System for Emotional Wording

Investigation of AlGaN/GaN Ion-Sensitive Heterostructure Field-Effect Transistors-Based pH Sensors With Al₂O₃ Surface Passivation and Sensing Membrane

Using 3-D open source software to facilitate students' spatial visualization skills

Enhanced Performances of AlGaN/GaN Ion-Sensitive Field-Effect Transistors Using H₂O₂-Grown Al₂O₃ for Sensing Membrane and Surface Passivation Applications

Thickness-Optimized Multilevel Resistive Switching of Silver Programmable Metallization Cells With Stacked SiO_x/SiO₂ Solid Electrolytes

The effect of post-oxide annealing on H₂O₂-grown Al₂O₃, AlGaN/GaN polarization charges and MOS-HEMT performances

Honeycomb-like polymeric films from dendritic polymers presenting reactive pendent moieties

Experimental study of a hand-drawn cart for measuring the bridge frequencies

Peer evaluation in an undergraduate database management class: A quasi-experimental study

A novel antithrombotic effect of sulforaphane via activation of platelet adenylate cyclase: ex vivo and in vivo studies

Quadriplegia secondary to cervical spondylotic myelopathy—A rare complication of head and neck surgery

A syllable-based prosody modeling for L1 and L2 English speeches

A novel salvage approach for pedicle axial flap—free‐ization of pedicle internal mammary artery perforator flap

The commissure-based triangular flap for lip revision following reconstruction of a through-and-through defect

Work in progress — Using a computer gaming strategy to facilitate undergraduates' learning in a computer programming course: An experimental study

Inhibitory signaling of 17β-estradiol in platelet activation: The pivotal role of cyclic AMP-mediated nitric oxide synthase activation

Work in progress — An investigation of varied game-based learning systems in engineering education

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