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Articles 75091 - 75120 of 196033

Full-Text Articles in Engineering

Electrochemical Preparation And Photo-Electro Catalytic Properties Of Flexible Znni/Al-Ldhs/Carbon Fibers Composite, Jing-Jing Tian, Tao Chen, Xing-Chen Bao, Meng-Xu Gao, Ye-Xiao Yu, Si-Yao Peng, Guan-Ping Jin Aug 2018

Electrochemical Preparation And Photo-Electro Catalytic Properties Of Flexible Znni/Al-Ldhs/Carbon Fibers Composite, Jing-Jing Tian, Tao Chen, Xing-Chen Bao, Meng-Xu Gao, Ye-Xiao Yu, Si-Yao Peng, Guan-Ping Jin

Journal of Electrochemistry

In this work, a promising flexible composite consisting of zinc (Zn), nickel (Ni) and aluminum (Al) layered double hydroxide coated carbon fibers (ZnNi/Al-LDHs/CFs) was prepared by electrochemical method with convenient recovery and separation. The structures, morphologies, and photo-electro catalytic properties of ZnNi/Al-LDHs/CFs were characterized by X-ray diffraction, infrared spectroscopy, field emission scanning electron microscopy, inductively coupled plasma atomic emission spectrometry and electrochemical impedance spectroscopy techniques. The excellent photo-electro bifunctional catalytic properties were obtained with the ZnNi/Al-LDHs/CFs composite as compared to that of Zn/Al-LDHs/CFs (photo catalyst) or Ni/Al-LDHs/CFs (electrocatalyst) alone, which could be used in the electro-catalytic oxidations of methanol and …

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Rose Hu Named Usu College Of Engineering Associate Dean For Research | College Of Engineering, Usu College Of Engineering Aug 2018

Rose Hu Named Usu College Of Engineering Associate Dean For Research | College Of Engineering, Usu College Of Engineering

College of Engineering News

The College of Engineering at Utah State University announced Monday that Rose Hu, a professor in the Department of Electrical and Computer Engineering, has accepted the position of associate dean for research.

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College Of Engineering Welcomes New Academic Recruiter | College Of Engineering, Usu College Of Engineering Aug 2018

College Of Engineering Welcomes New Academic Recruiter | College Of Engineering, Usu College Of Engineering

College of Engineering News

USU’s College of Engineering welcomes Danielle Roth as the new academic recruiting specialist.

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Image Classification On Iot Edge Devices: Profiling And Modeling, Salma Abdel Magid Aug 2018

Image Classification On Iot Edge Devices: Profiling And Modeling, Salma Abdel Magid

Computer Science and Engineering Master's Theses

With the advent of powerful, low-cost IoT systems, processing data closer to where the data originates, known as edge computing, has become an increasingly viable option. In addition to lowering the cost of networking infrastructures, edge computing reduces edge-cloud delay, which is essential for mission-critical applications. In this thesis, we show the feasibility and study the performance of image classification using IoT devices. Specifically, we explore the relationships between various factors of image classification algorithms that may affect energy consumption such as dataset size, image resolution, algorithm type, algorithm phase, and device hardware. Our experiments show a strong, positive linear …

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Landsliding Near Enguri Dam (Caucasus, Georgia) And Possible Seismoectonic Effects, Alessandro Tibaldi, Paolo Oppizzi, John S. Gierke, Thomas Oommen, Nino Tsereteli, Davit Odilavadze Aug 2018

Landsliding Near Enguri Dam (Caucasus, Georgia) And Possible Seismoectonic Effects, Alessandro Tibaldi, Paolo Oppizzi, John S. Gierke, Thomas Oommen, Nino Tsereteli, Davit Odilavadze

Michigan Tech Publications, Part 1

The Enguri dam and water reservoir, nested in southwestern Caucasus (Republic of Georgia), are surrounded by steep mountain slopes. At a distance of 2.5 km from the dam, a mountain ridge along the reservoir is affected by active deformations with a double vergence. The western slope, directly facing the reservoir, has deformations that involve a subaerial area of 1.2 km2. The head scarp interests the main Jvari-Khaishi-Mestia road with offset of man-made features that indicate slip rates of 2-9 cm/y. Static, pseudostatic and Newmark numerical analyses, based on field and seismological data, suggest different unstable rock volumes basing on the …

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Experimental Investigation Of Impact Localization In Composite Plate Using Newly Developed Imaging Method, Mohammad Faisal Haider, Asaad Migot, Md Yeasin Bhuiyan, Victor Giurgiutiu Aug 2018

Experimental Investigation Of Impact Localization In Composite Plate Using Newly Developed Imaging Method, Mohammad Faisal Haider, Asaad Migot, Md Yeasin Bhuiyan, Victor Giurgiutiu

Faculty Publications

This paper focuses on impact localization of composite structures, which possess more complexity in the guided wave propagation due to the anisotropic behavior of composite materials. In this work, a composite plate was manufactured by using a compression molding process with proper pressure and temperature cycle. Eight layers of woven composite prepreg were used to manufacture the composite plate. A structural health monitoring (SHM) technique was implemented with piezoelectric wafer active sensors (PWAS) to detect and localize the impact on the plate. There were two types of impact event that were considered in this paper (a) low energy impact event …

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Investigation Of Flow Mechanisms In Gas-Assisted Gravity Drainage Process, Iskandar Dzulkarnain Aug 2018

Investigation Of Flow Mechanisms In Gas-Assisted Gravity Drainage Process, Iskandar Dzulkarnain

LSU Doctoral Dissertations

In this study we investigate displacement mechanism for oil recovered using Gas- Assisted Gravity Drainage (GAGD) method. For a typical oil recovery under gravity drainage, the recovery profile can be characterized by an initial bulk flow which occurs rapidly and a later film flow that extends for a longer duration. It is the latter period where film spreading, the ability of oil to spread above water in the presence of gas, is identified as the displacement mechanism responsible for recovering the remaining oil in gravity drainage process. Literature survey indicates that mathematical models for gravity drainage do not account for …

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Application Of Project Management Method In Offshore Engineering, Bangyan Zhou Aug 2018

Application Of Project Management Method In Offshore Engineering, Bangyan Zhou

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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China's Maritime Search And Rescue Management System From The Perspective Of Crisis Management, Peng Zhong Aug 2018

China's Maritime Search And Rescue Management System From The Perspective Of Crisis Management, Peng Zhong

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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Formal Safety Assessment On Inland Self-Unload Carriers In The Pearl River Delta, Weijun Zhang Aug 2018

Formal Safety Assessment On Inland Self-Unload Carriers In The Pearl River Delta, Weijun Zhang

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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An Improved Control Algorithm For Ship Course Keeping Based On Nonlinear Feedback And Decoration, Xiaxiao Yao Aug 2018

An Improved Control Algorithm For Ship Course Keeping Based On Nonlinear Feedback And Decoration, Xiaxiao Yao

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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Analysis And Research Of Cruise Ship Safety At Wusongkou International Cruise Ship Terminal, Zhanglong Wang Aug 2018

Analysis And Research Of Cruise Ship Safety At Wusongkou International Cruise Ship Terminal, Zhanglong Wang

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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Risk Study Of Ship Navigation In Ice Areas, Angang Sun Aug 2018

Risk Study Of Ship Navigation In Ice Areas, Angang Sun

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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A Study On Pilotage Risk Assessment In Jiangsu Section Of The Yangtze River, Ruihong Ran Aug 2018

A Study On Pilotage Risk Assessment In Jiangsu Section Of The Yangtze River, Ruihong Ran

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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Research On Navigation Safety Evaluation Of Jiaxing Port, Chao Meng Aug 2018

Research On Navigation Safety Evaluation Of Jiaxing Port, Chao Meng

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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Dynamic Risk Assessment Model Of Tianjin Vts Water Area And Its Application, Jinkai Liu Aug 2018

Dynamic Risk Assessment Model Of Tianjin Vts Water Area And Its Application, Jinkai Liu

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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Research On The Collision Risk Of Ships In Chengshanjiao Water Based On Svm, Ziming Li Aug 2018

Research On The Collision Risk Of Ships In Chengshanjiao Water Based On Svm, Ziming Li

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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Analysis And Evaluation Of Maritime Traffic Risk In Circumjacent Water Of Dagushan Peninsula Of Dalian, Yuanshan Jiang Aug 2018

Analysis And Evaluation Of Maritime Traffic Risk In Circumjacent Water Of Dagushan Peninsula Of Dalian, Yuanshan Jiang

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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Research On Safety Management Of Maritime Autonomous Surface Ships, Kangqun Chen Aug 2018

Research On Safety Management Of Maritime Autonomous Surface Ships, Kangqun Chen

Maritime Safety & Environment Management Dissertations (Dalian)

No abstract provided.

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College Welcomes Newest Engineering Faculty | College Of Engineering, Usu College Of Engineering Aug 2018

College Welcomes Newest Engineering Faculty | College Of Engineering, Usu College Of Engineering

College of Engineering News

The College of Engineering at Utah State University is excited to welcome 11 new faculty members.

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Product Innovation Design Based On Deep Learning And Kansei Engineering, Huafeng Quan, Shaobo Li, Jianjun Hu Aug 2018

Product Innovation Design Based On Deep Learning And Kansei Engineering, Huafeng Quan, Shaobo Li, Jianjun Hu

Faculty Publications

Creative product design is becoming critical to the success of many enterprises. However, the conventional product innovation process is hindered by two major challenges: the difficulty to capture users’ preferences and the lack of intuitive approaches to visually inspire the designer, which is especially true in fashion design and form design of many other types of products. In this paper, we propose to combine Kansei engineering and the deep learning for product innovation (KENPI) framework, which can transfer color, pattern, etc. of a style image in real time to a product’s shape automatically. To capture user preferences, we combine Kansei …

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Text Enhanced Recommendation System Model Based On Yelp Reviews, Peter Kouvaris, Ekaterina Pirogova, Hari Sanadhya, Albert Asuncion, Arun Rajagopal Aug 2018

Text Enhanced Recommendation System Model Based On Yelp Reviews, Peter Kouvaris, Ekaterina Pirogova, Hari Sanadhya, Albert Asuncion, Arun Rajagopal

SMU Data Science Review

In this paper, we introduce a useful natural language model for improving recommendation systems using collaborative filtering algorithms on ordinal ratings data. Since their inception, recommendation systems have evolved from simple user-business-rating matrices to complex systems that can consume multiple dimensions. Using Yelp's competition data set, we explore extending these dimensions to include natural language by leveraging a dual neural network architecture to produce a new and improved star rating system which offers potential improvements to collaborative filtering based recommendation systems.

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Enhancing Trust In The Cryptocurrency Marketplace: A Reputation Scoring Approach, Dan Freeman, Tim Mcwilliams, Sudip Bhattacharyya, Craig Hall, Pablo Peillard Aug 2018

Enhancing Trust In The Cryptocurrency Marketplace: A Reputation Scoring Approach, Dan Freeman, Tim Mcwilliams, Sudip Bhattacharyya, Craig Hall, Pablo Peillard

SMU Data Science Review

Trust is paramount for the effective operation of any monetary system. While the distributed architecture of blockchain technology on which cryptocurrencies operate has many benefits, the anonymity of users on the blockchain has provided criminal users an opportunity to hide both their identities and illicit activities. In this paper, we present a scoring mechanism for cryptocurrency users where the scores represent users’ trustworthiness as safe or risky transactors in the cryptocurrency community. In order to distinguish law-abiding users from potential threats in the Bitcoin marketplace, we analyze historical thefts to profile transactions, classify them into risky and non-risky categories using …

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Yelp’S Review Filtering Algorithm, Yao Yao, Ivelin Angelov, Jack Rasmus-Vorrath, Mooyoung Lee, Daniel W. Engels Aug 2018

Yelp’S Review Filtering Algorithm, Yao Yao, Ivelin Angelov, Jack Rasmus-Vorrath, Mooyoung Lee, Daniel W. Engels

SMU Data Science Review

In this paper, we present an analysis of features influencing Yelp's proprietary review filtering algorithm. Classifying or misclassifying reviews as recommended or non-recommended affects average ratings, consumer decisions, and ultimately, business revenue. Our analysis involves systematically sampling and scraping Yelp restaurant reviews. Features are extracted from review metadata and engineered from metrics and scores generated using text classifiers and sentiment analysis. The coefficients of a multivariate logistic regression model were interpreted as quantifications of the relative importance of features in classifying reviews as recommended or non-recommended. The model classified review recommendations with an accuracy of 78%. We found that reviews …

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Evaluating Nanoshells And A Potent Biladiene Photosensitizer For Dual Photothermal And Photodynamic Therapy Of Triple Negative Breast Cancer Cells., Rachel S. Riley, Rachel K O'Sullivan, Andrea M Potocny, Joel Rosenthal, Emily S Day Aug 2018

Evaluating Nanoshells And A Potent Biladiene Photosensitizer For Dual Photothermal And Photodynamic Therapy Of Triple Negative Breast Cancer Cells., Rachel S. Riley, Rachel K O'Sullivan, Andrea M Potocny, Joel Rosenthal, Emily S Day

Henry M. Rowan College of Engineering Departmental Research

Light-activated therapies are ideal for treating cancer because they are non-invasive and highly specific to the area of light application. Photothermal therapy (PTT) and photodynamic therapy (PDT) are two types of light-activated therapies that show great promise for treating solid tumors. In PTT, nanoparticles embedded within tumors emit heat in response to laser light that induces cancer cell death. In PDT, photosensitizers introduced to the diseased tissue transfer the absorbed light energy to nearby ground state molecular oxygen to produce singlet oxygen, which is a potent reactive oxygen species (ROS) that is toxic to cancer cells. Although PTT and PDT …

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Computational Thinking And Literacy, Sharin Rawhiya Jacob, Mark Warschauer Aug 2018

Computational Thinking And Literacy, Sharin Rawhiya Jacob, Mark Warschauer

Journal of Computer Science Integration

Today’s students will enter a workforce that is powerfully shaped by computing. To be successful in a changing economy, students must learn to think algorithmically and computationally, to solve problems with varying levels of abstraction. These computational thinking skills have become so integrated into social function as to represent fundamental literacies. However, computer science has not been widely taught in K-12 schools. Efforts to create computer science standards and frameworks have yet to make their way into mandated course requirements. Despite a plethora of research on digital literacies, research on the role of computational thinking in the literature is sparse. …

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An Analysis Of Cabin Ozone Regulations, Taylor L. Pottinger, Cheryl L. Marcham Aug 2018

An Analysis Of Cabin Ozone Regulations, Taylor L. Pottinger, Cheryl L. Marcham

Publications

Exposure to elevated levels of ozone have been reported to be associated with complaints of discomfort such as dry mouth, eye irritation and dryness, nasal irritation coughing, and headaches. The Federal Aviation Administration (FAA) established regulatory requirements in 1980 to limit cabin ozone levels to no more than 0.25 parts per million (ppm) at any time or 0.1 ppm averaged over a 3-hour interval for any flight over four hours in length. The FAA also published an Advisory Circular (AC), AC 120-38, to provide guidance to air carriers on how to comply with these then new ozone regulations. Methods of …

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Developing A New Storage Format And A Warp-Based Spmv Kernel For Configuration Interaction Sparse Matrices On The Gpu†, Mohammed Mahmoud, Mark Hoffmann, Hassan Reza Aug 2018

Developing A New Storage Format And A Warp-Based Spmv Kernel For Configuration Interaction Sparse Matrices On The Gpu†, Mohammed Mahmoud, Mark Hoffmann, Hassan Reza

Computer Science Faculty Publications

Sparse matrix-vector multiplication (SpMV) can be used to solve diverse-scaled linear systems and eigenvalue problems that exist in numerous, and varying scientific applications. One of the scientific applications that SpMV is involved in is known as Configuration Interaction (CI). CI is a linear method for solving the nonrelativistic Schrödinger equation for quantum chemical multi-electron systems, and it can deal with the ground state as well as multiple excited states. In this paper, we have developed a hybrid approach in order to deal with CI sparse matrices. The proposed model includes a newly-developed hybrid format for storing CI sparse matrices on …

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In Vivo, Real-Time Spectroscopic Assessment Of Contusion-Based Spinal Cord Injury In A Rat Model, Kyle Kelly Bishop Aug 2018

In Vivo, Real-Time Spectroscopic Assessment Of Contusion-Based Spinal Cord Injury In A Rat Model, Kyle Kelly Bishop

Theses - ALL

The goal of this study was to (1) develop a methodology for real-time, in vivo probing of chemical and physical changes in spinal cords and (2) compare these changes in the immediate aftermath of a localized contusive injury to uninjured spinal cords. Raman spectroscopy images were obtained on in vivo spinal cords that had been surgically exposed between T9 and T10. A total of six rats were studied in two n=3 groups of injured and uninjured control animals. A single 830 nm laser of 100 um round spot size was either spatially scanned across the cord or held at a …

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Homotypic And Heterotypic Self-Assembly Of Claudin Family Of Tight Junction Proteins, Lisa Danielle Nguyen Aug 2018

Homotypic And Heterotypic Self-Assembly Of Claudin Family Of Tight Junction Proteins, Lisa Danielle Nguyen

Theses - ALL

Tight junctions, found in all epithelial cells, are selective barriers that restrict the diffusion of ions and molecules within the paracellular space. They are important for maintaining cell polarity as well as for compartmentalization and establishing homeostasis within the human body. Tight junctions are comprised of complex protein assemblies. Within this protein assemble are a family of transmembrane proteins known as claudins that play a crucial role in establishing the tight junction network. Claudins are also influential in controlling the tight junction permeability. When mutations or malfunctioning occurs within a claudin gene, tight junction function is impaired. Disruption of their …

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