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IEEE International Technology Management Conference

作者： Sara Alsafadi Junu Jahana Mohamed Al-Ali Anas Alteneiji Salwa Beheiry Department of Industrial Engineering Engineering System Management Ph.D Program Sharjah UAE Department of Civil Engineering American University of Sharjah Sharjah UAE

ISBN: (数字)9798350367355

ISBN: (纸本)9798350367362

Contemporary business practices necessitate organizations to undertake multiple simultaneous projects, which can result in challenges related to meeting deadlines, budget constraints, and specifications of the end user. Although numerous studies have investigated ways to improve project management outcomes, relatively few have examined project management in multi-project environments. Multi-project environments present unique challenges such as coordination and collaboration between and within project teams, scheduling, resource allocation, and skill development. Therefore, a systematic literature review was conducted to identify the 16 most-cited articles relevant to the topic published in the past ten years, in addition to the five most-cited articles published in the past three years. These articles were analyzed to identify the most pertinent factors affecting resource allocation in multi-project environments and provide recommendations for future research directions. The data analysis approach adopted in this study was a content analysis. Through content analysis, the systematic literature review identified three major themes: (1) agile or flexible methodologies in multiproject environments, (2) human resources and labor allocation and scheduling, and (3) various factors affecting resource scheduling and allocation. This study provides an opportunity to scrutinize the past 10 years of research on the factors affecting resource allocation for simultaneous projects in programs, highlighting the main research themes and knowledge gaps, and proposing an agenda for future research.

关键词： Content management Technology management data analysis Project management Collaboration Organizations Scheduling Resource management Systematic literature review

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Structural basis and synergism of ATP and Na⁺ activation in bacterial K⁺ uptake system KtrAB

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Nature Communications 2024年第1期15卷 3850页

作者： Chiang, Wesley Tien Chang, Yao-Kai Hui, Wei-Han Chang, Shu-Wei Liao, Chen-Yi Chang, Yi-Chuan Chen, Chun-Jung Wang, Wei-Chen Lai, Chien-Chen Wang, Chun-Hsiung Luo, Siou-Ying Huang, Ya-Ping Chou, Shan-Ho Horng, Tzyy-Leng Hou, Ming-Hon Muench, Stephen P. Chen, Ren-Shiang Tsai, Ming-daw Hu, Nien-Jen Graduate Institute of Biochemistry National Chung Hsing University Taichung 402202 Taiwan Institute of Biological Chemistry Academia Sinica Taipei 115201 Taiwan Department of Civil Engineering National Taiwan University Taipei 106319 Taiwan Department of Biomedical Engineering National Taiwan University Taipei 10663 Taiwan Life Science Group Scientific Research Division National Synchrotron Radiation Research Center Hsinchu 30092 Taiwan Institute of Molecular Biology National Chung Hsing University Taichung 402202 Taiwan Graduate Institute of Chinese Medical Science China Medical University Taichung 406040 Taiwan Department of Applied Mathematics Feng Chia University Taichung 407102 Taiwan Institute of Genomics and Bioinformatics National Chung Hsing University Taichung 402202 Taiwan School of Biomedical Sciences Faculty of Biological Sciences and the Astbury Centre for Structural Molecular Biology University of Leeds Leeds LS2 9JT United Kingdom Department of Life Science Tunghai University Taichung 407224 Taiwan Institute of Biochemical Sciences National Taiwan University Taipei 106319 Taiwan Ph.D Program in Translational Medicine National Chung Hsing University Taichung 402202 Taiwan

The K+ uptake system KtrAB is essential for bacterial survival in low K+ environments. The activity of KtrAB is regulated by nucleotides and Na+. Previous studies proposed a putative gating mechanism of KtrB regulated...

The K⁺ uptake system KtrAB is essential for bacterial survival in low K⁺ environments. The activity of KtrAB is regulated by nucleotides and Na⁺. Previous studies proposed a putative gating mechanism of KtrB regulated by KtrA upon binding to ATP or AdP. However, how Na⁺ activates KtrAB and the Na⁺ binding site remain unknown. Here we present the cryo-EM structures of ATP- and AdP-bound KtrAB from Bacillus subtilis (BsKtrAB) both solved at 2.8 Å. A cryo-EM density at the intra-dimer interface of ATP-KtrA was identified as Na⁺, as supported by X-ray crystallography and ICP-MS. Thermostability assays and functional studies demonstrated that Na⁺ binding stabilizes the ATP-bound BsKtrAB complex and enhances its K⁺ flux activity. Comparing ATP- and AdP-BsKtrAB structures suggests that BsKtrB Arg417 and phe91 serve as a channel gate. The synergism of ATP and Na⁺ in activating BsKtrAB is likely applicable to Na⁺-activated K⁺ channels in central nervous system. © The Author(s) 2024.

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Mapping heavy metal distribution in soil by using GIS techniques: A case study in Hooc Mon district, Ho Chi Minh city, Vietnam 39

Mapping heavy metal distribution in soil by using GIS techni...

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39th Asian Conference on Remote Sensing: Remote Sensing Enabling Prosperity, ACRS 2018

作者： Tran, T.Q. Chou, T.Y. Hoang, T.V. Yeh, M.L. Chen, M.H. Fang, Y.M. danh, M. Tung, L.H. Ph.D Program of Civil and Hydraulic Engineering Feng Chia University Taiwan No. 100 Wenhwa Rd. Seatwen Taichung40724 Taiwan Department of Land Resources HoChiMinh City Institute of Resources Geography 01 Mac Dinh Chi St. Dist. 1 Ho Chi Minh City Viet Nam GIS research Center Feng Chia University Taiwan 100 Wenhwa Rd Situn Taichung40724 Taiwan

ISBN: (纸本)9781510879669

Metal concentration in urban soil is one of environmental problem that contributes directly or indirectly to the general life quality in city areas. The study site is located in Hooc Mon district, Ho Chi Minh City, Vietnam where is the home to many industrial activities and is the populous area. An investigation was conducted to determine the concentration of metals in urban soil;to perform an interpolation method for mapping the spatial distribution of heavy metal and understanding their contamination characteristics. There are 120 soil samples were collected by surveying for chemical analysis and determining amount of heavy metals. The Ordinary Kriging technique was applied to estimate the spatial distribution of metal concentrations at unknown points using a linear weight function of adjacent data points. The results showed that the spatial distribution of heavy metals is well interpolated. There are 3 major heavy metals contaminated in the study site including Cu, Pb and Zn. The highest contamination is found for Cu and Zn. The most elevated concentration of heavy metals was found at dong Thanh ward and the important pollutant source was suggested by dong Thanh landfill. Since spatial distribution and localization are the keys in controlling negative impacts of heavy metal of an area. determination of heavy metal levels and their spatial variations is essential for a better understanding possible risk for environment and human health in the study area. © 2018 Proceedings - 39th Asian Conference on Remote Sensing: Remote Sensing Enabling Prosperity, ACRS 2018

关键词： Kriging

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The Strategic Exercise of Options Using Government Subsidies: An Analysis of Production Subsidies for the Ground Source Heat Pump

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Journal of physics: Conference Series 2018年第1期989卷

作者： Sheng-Hau Lin Jia-Hsun Li Chih-Chen Hsu Jing-Chzi Hsieh Pin-Chao Liao Ph D Department of Ph. D Program in Civil and Hydraulic Engineering College of Construction and Development Feng Chia University Taiwan ROC. Assistant Research School of Geographic and Oceanographic Sciences Nanjing University China. Chief Executive Officer Professional Master's Program of Construction and Development Feng Chia University. Professor Department of Land Management College of Construction and Development Feng Chia University Taiwan ROC. Associate Professor Department of Construction Management Tsinghua University China.

This study utilizes consolidation investment theory to incorporate with business strategies and government subsidy to develop a strategic exercise of options model. This empirical investigation examines the ground source heat pump (GSHP) government subsidy program, which is part of China's 12th Five Year Plan. The developed model is applied to explain the behaviours of business investment with regard to strategic investment timing, option values, and the influence of government subsidies in duopolistic real-world investment decisions. The results indicate that subsidy policy can reduce the differences of investment timing among GSHP investors and has clearly evidenced the positive benefit–cost ratio of government subsidy, which facilitates China's GSHP industry development.

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Network Analysis of Water distribution System in Rural Areas using EPANET

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Procedia engineering 2015年 119卷 496-505页

作者： G. Venkata Ramana Ch.V.S.S. Sudheer B. Rajasekhar Professor of Civil Engg. Dire Dawa Institute of Technology Dire Dawa University Ethiopia Lecturer Hydraulic & Water Resources Engineering Department Debre Tabor University Debre Tabor Ethiopia Ph.D Research Scholar Jawaharlal Nehru Technological University Hyderabad India.

In order to ensure the availability of sufficient quantity of good quality of water to the various section of community in accordance with the demand. Many computer tools were developed, out of all the tools available EPANET become most popular and convenient for the effective design of complex pipe networks. This paper highlights only the effective design and distribution of network of pipes using EPANET *** residual head at each and every node was found out by having the elevation as input and thereby the corresponding flow quantities were derived like residual head, velocity and nodal demand etc.

关键词： distribution network EPANET Nodal demand Effective design Mathematical models

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development of Epoxy/BN Composites with High Thermal Conductivity for Metal-Core Printed Circuit Board(MCPCB)

Development of Epoxy/BN Composites with High Thermal Conduct...

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2015 International Conference on Intelligent Materials and Manufacturing engineering (IMME 2015)

作者： Jae Hyun Choi Bong Goo Choi Min A Lee Jae-Sik Na Laboratory of Fiber Application and Manufacturing Department of Fiber and Composite MaterialsFeng Chia University School of Chinese Medicine “China Medical University” Department of Fashion Design Asia University Department of Ph.D Program in Civil and Hydraulic Engineering Feng Chia University Department of Land Management Feng Chia University The Department of Textile Engineering “Chinese Culture University” Institute of Biomedical Engineering and Materials Science “Central Taiwan University of Science and Technology”

The epoxy composites with high thermal conductivity for metal-core printed circuit board(MCPCB) can be prepared by varnish coating and a hot press method. Alumina filler of plate-like shape was used as primary micro-filler, while plate-like alumina filler, h-BN, a-BN and s-BN filler were used for blending into the plate-like alumina filler as the secondary filler. Results showed that the secondary fillers a-BN and s-BN loaded epoxy composites have higher thermal conductivity than alumina filler single-loaded composites. Also, BN filler has high thermal conductivity, but h-BN filled epoxy composite has lower thermal conductivity than alumina filled epoxy composite. The decrease of voids in epoxy composite are very important, and the filler shape and surface modification is also necessary to achieve high thermal conductivity in epoxy composite for MCPCB

关键词： MCPCB Epoxy composite Boron nitride Thermal conductivity Thermal diffusivity

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physical Properties of Geotextiles Reinforced by Recycled Kevlar Selvages

Physical Properties of Geotextiles Reinforced by Recycled Ke...

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2015 International Conference on Intelligent Materials and Manufacturing engineering (IMME 2015)

作者： Hee Jung Moon Bong Soo Lee Seung Hyun Cho Laboratory of Fiber Application and Manufacturing Department of Fiber and Composite MaterialsFeng Chia University School of Chinese Medicine "China Medical University" Department of Fashion Design Asia University Department of Ph.D Program in Civil and Hydraulic Engineering Feng Chia University Department of Land Management Feng Chia University The Department of Textile Engineering "Chinese Culture University" Institute of Biomedical Engineering and Materials Science "Central Taiwan University of Science and Technology"

Kevlar fiber are artifical fibers that have been globally commonly used due to their attributes of a high modulus, a low elongation, an impact resistance, a chemical resistance, and thermostability. Therefore, this study proposes nonwoven geotextiles by corporating with recycled Kevlar unidirectoinal selvage with a low production cost, crimped polyester(PET) fibers, and low-melting-point PET(LPET) fibers. The content of LPET fiber is specified as 20 wt%, while the content of Kevlar fiber varies as 0 wt%, 5 wt%, 10 wt%, 15 wt%, and 20 wt%. The optimal tear strength of 195 N occurs with a content of Kevlar fiber being 20 wt%.

关键词： Recycled Kevlar fiber Low-melting-point polyester(PET) fiber Nonwoven Geotextile

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A new weir surface repair layer with shock absorbing cushion design

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Earthquake engineering and engineering Vibration 2013年第3期12卷 487-496页

作者： Tse-Shan Hsu Yi-Lang Hsieh Department of Civil Engineering Feng-Chia University Ph.D Program in Civil and Hydraulic Engineering Feng-Chia University

A shock absorbing cushion has never been introduced into any traditional weir surface repair layer design. However, shocks induced by high discharge with heavy sediment can easily produce brittle fracture and peeling over a weir surthce repair layer as it is impacted by floods accompanied by particles of different sizes. In this study, transcending traditional designs, the authors developed a composite unit designed with a shock absorbing cushion that has performed well during field tests, proving that the weir body can be effectively protected even if the composite units are directly laid on a severely uneven weir surface repair layer.

关键词： shock absorbing cushion brittle fracture peeling weir

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A Particle Floating Model for the Initiation of debris Flows

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Procedia engineering 2014年 79卷 606-611页

作者： Tse-Shan Hsu Shey-En Chiu Stephen Hsu Cheng-Chieh Ho Feng-Chia University Ph.D Program in Civil and Hydraulic Engineering No.100 Wenhwa Road Taichung 40724 Taiwan George Institute of Technology School of Civil and Environmental Engineering 790 Atlantic Drive Atlanta GA 30332-0355 USA

Riverbeds in Taiwan are full of granular materials such as boulder, cobble, gravel, sand, and silt. Under the action of floods, particles with their sizes from little to large will be floating upward and then flowing with floods gradually. Mechanical models for critical conditions of debris flows taken by some other researchers in Taiwan are mainly based on slope stability criteria. However real debris flows are generally observed to be initiated when granular soils start floating upward. Under such circumstances, a more proper mechanical model was proposed by the authors. It was proved that such a model can provide proper solutions as compared with those produced from tests.

关键词： critical conditions debris flow bottom velocity riverbed riverbank

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Effects of Needle-Punch depth on Properties of PET/LPET/Kevlar Nonwoven Geotextiles

Effects of Needle-Punch Depth on Properties of PET/LPET/Kevl...

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2nd International Conference on Advanced Composite Materials and Manufacturing engineering, CMME 2014

作者： Lin, Jia Horng Hsieh, Jing Chzi Li, Jia Hsun Hsing, Wen Hao Lou, Ching Wen Laboratory of Fiber Application and Manufacturing Department of Fiber and Composite Materials Feng Chia University Taichung City 40724 Taiwan School of Chinese Medicine China Medical University Taichung 40402 Taiwan Department of Fashion Design Asia University Taichung 41354 Taiwan Department of Land Management Feng Chia University Taichung City 40724 Taiwan Department of Ph. D Program in Civil and Hydraulic Engineering Feng Chia University Taichung City 40724 Taiwan The Department of Textile Engineering Chinese Culture University Taipei 11114 Taiwan Institute of Biomedical Engineering and Materials Science Central Taiwan University of Science and Technology Taichung 40601 Taiwan

ISBN: (纸本)9783038350651

Geotextile has been commonly used in civil and geotechnical engineering applications, and the majority of geotextiles is made of nonwoven fabrics. Therefore, this study combines crimped polyester (PET) fibers, recycled Kevlar unidirectional selvage fibers, and low-melting-point PET (LPET) fibers to form PET/Kevlar/LPET nonwoven geotextiles, and then examines how various neelde-punch depths influence mechanical properties of the resulting nonwoven geotextiles. The tensile strength, tearing strength, bursting strength, and static puncture resistance of the nonwoven fabrics increase as a result of an increase of 0.3 cm to 0.5 cm in needle-punch depth. However, an increase of 0.5 cm to 0.7 cm causes a slight decrease in all aforementioned properties. © (2014) Trans Tech Publications, Switzerland.

关键词： Needles

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