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Online since: September 2011
Authors: Jae Ho Lee, Hong Guan, Yew Chaye Loo, Michael Blumenstein, Xin Ping Wang
This is a key drawback because bridge collapse usually occurs as a result of the failure of single member(s).
Journal of Transportation Engineering, 121(3), 267-272
Computing in Civil and Building Engineering, 1363-1370
"Improving reliability of Bridge deterioration model using generated missing condition ratings." 3rd International Conference on Construction Engineering and Management (ICCEM), Jeju, S.
Proc, the 21st Australasian Conf on Mechanics of Structures and Materials, Melbourne, Australia, 775-780.
Journal of Transportation Engineering, 121(3), 267-272
Computing in Civil and Building Engineering, 1363-1370
"Improving reliability of Bridge deterioration model using generated missing condition ratings." 3rd International Conference on Construction Engineering and Management (ICCEM), Jeju, S.
Proc, the 21st Australasian Conf on Mechanics of Structures and Materials, Melbourne, Australia, 775-780.
Online since: May 2020
Authors: Dmitry А. Chinakhov, V. Sydorets, Olena M. Berdnikova, I. Krivtsun, A. Bernatskyi
Introduction
General tendencies in creating designs of advanced engineering structures of different functional area in many industries (chemical and food, power engineering and shipbuilding, aerospace manufacturing, etc.) are associated with a reduction in mass of products [1-5], with the use of materials having improved mechanical [6-9] and operational characteristics [9-13], and also with the introduction of modern treatment technologies [14-18].
Materials and Methods General information.
Chemical composition of investigated materials Material Chemical element and its amount [wt.%] AISI 321 C Mn P S Si Cr Ni Ti Fe <0.08 <2.0 <0.045 <0.03 <1.0 17-19 9-12 <0.5 Bal.
Martikainen, Current trends in welding processes and materials: improve in effectiveness, Rev.
In Advances in Thin Films, Nanostructured Materials, and Coatings (2019) 119-128.
Materials and Methods General information.
Chemical composition of investigated materials Material Chemical element and its amount [wt.%] AISI 321 C Mn P S Si Cr Ni Ti Fe <0.08 <2.0 <0.045 <0.03 <1.0 17-19 9-12 <0.5 Bal.
Martikainen, Current trends in welding processes and materials: improve in effectiveness, Rev.
In Advances in Thin Films, Nanostructured Materials, and Coatings (2019) 119-128.
Online since: February 2012
Authors: Li Juan Zhao, Jose R. Peralta-Videa, Jose Angel Hernandez-Viezcas, Jie Hong, Jorge L. Gardea-Torresdey
., El Paso, TX 79968, USA
2Environmental Science and Engineering PhD program, The University of Texas at El Paso, 500 West Univ.
The widespread use of nanoparticles (NPs) in consumer goods could put these materials in the waste stream, potentially to soil and sediments.
Materials and methods 2.1 Soil characteristics Two types of soils collected from Horizon, Texas and close to the Rio Grande river around El Paso, TX (31°51’59.06” N and 106°36’14.32” W) were used in this research.
Key properties of two soils used in the column experiments are shown in Table 1.
Tufenkji, Aggregation and deposition of engineered nanomaterials in aquatic environments: role of physicochemical interactions, Environ.
The widespread use of nanoparticles (NPs) in consumer goods could put these materials in the waste stream, potentially to soil and sediments.
Materials and methods 2.1 Soil characteristics Two types of soils collected from Horizon, Texas and close to the Rio Grande river around El Paso, TX (31°51’59.06” N and 106°36’14.32” W) were used in this research.
Key properties of two soils used in the column experiments are shown in Table 1.
Tufenkji, Aggregation and deposition of engineered nanomaterials in aquatic environments: role of physicochemical interactions, Environ.
Online since: September 2012
Authors: Harold C. Godwin, C.E. Okafor
Okafor2,b
1,2Department of Industrial/Production Engineering, Nnamdi Azikiwe University Awka, Nigeria
ahcgodwin@yahoo.com, bchrisok@grpjournal.org
[Date received: 9 October 2011.
Decisions 4 Production decision maker Action 6 Interaction 5 Forecast 3 Raw materials 2 Performance 1 Figure 1 Time series forecasting and managerial decision making (Adapted from [5]) In this study we applied the multiplicative decomposition model because it has been found to be useful when modeling time series that display increasing or decreasing seasonal variation [19, 20].
The key assumption observed in this model is that seasonality can be separated from other components of the series.
These demand peaks recur following almost a predictable pattern which concurs Busetti and Harvey [24] such that understanding seasonal fluctuations helps plan for sufficient goods and materials on hand to meet varying seasonal demand.
In general, the software developed for the project has a wide range of application in the field of Production Engineering analysis in particular and other similar fields with little modifications.
Decisions 4 Production decision maker Action 6 Interaction 5 Forecast 3 Raw materials 2 Performance 1 Figure 1 Time series forecasting and managerial decision making (Adapted from [5]) In this study we applied the multiplicative decomposition model because it has been found to be useful when modeling time series that display increasing or decreasing seasonal variation [19, 20].
The key assumption observed in this model is that seasonality can be separated from other components of the series.
These demand peaks recur following almost a predictable pattern which concurs Busetti and Harvey [24] such that understanding seasonal fluctuations helps plan for sufficient goods and materials on hand to meet varying seasonal demand.
In general, the software developed for the project has a wide range of application in the field of Production Engineering analysis in particular and other similar fields with little modifications.
Online since: January 2013
Authors: Jie Song, Jing Wang, Liang Wu Bi, Zhen Dong Zhao, Yan Gu, Dong Mei Li, Yan Ju Lu
Study on the Reaction Characteristics of Directional Synthesis of a-Terpineol from Turpentine
Yan Gu1,2,3,4,a, Zhendong Zhao*1,2,3,4,b, Jie Song5,c, Dongmei Li1,2,3,4,d,
Jing Wang2,3,4,e, Yanju Lu2,3,4,f, Liangwu Bi1,2,3,4,g
1 Institute of New Technology, CAF, Nanjing, 210042, China;
2Institute of Chemical Industry of Forest Products, CAF, Nanjing, 210042, China;
3National Engineering Lab. for Biomass Chemical Utilization, Nanjing, 210042, China;
4Key and Open Lab. on Forest Chemical Engineering, SFA, Nanjing, 210042, China;
5 Department of Chemistry and Biochemistry, University of Michigan-Flint, Flint, 48502, USA
aguy97212@sina.com, bzdzhao@189.cn, cjiesong@umflint.edu, dlidongmei57@163.com, enjwj8324@163.com, fluyanju-1982@163.com, gbiliangwu@126.com
Keywords: α-terpineol; γ-terpineol; stereochemistry structure; thermodynamic analysis; reaction mechanism
Abstract.
Experimental Raw materials Materials: Turpentine (α-pinene content was 70.56%), provided by Guangdong Pine Forest Perfume Ltd.
In other words, carbocations were the key to the reaction, and the speed of the whole reaction was determined by the formation speed of carbocations.
Experimental Raw materials Materials: Turpentine (α-pinene content was 70.56%), provided by Guangdong Pine Forest Perfume Ltd.
In other words, carbocations were the key to the reaction, and the speed of the whole reaction was determined by the formation speed of carbocations.
Online since: September 2017
Authors: Qing Bo Yu, Song Hui Fang, Xiao Ze Wang
The g-C3N4 Nanosheets Separated by PS
for Photocatalytic Degradation of Dye
Qingbo Yu1,a*, Songhui Fang2,b and Xiaoze Wang3,c
1,2,3Department of Materials Science and Engineering, Anhui University of Science and Technology, Huainan 232001, P.
Experimental Materials.
Result and Discussion It is well known that the hydrophilicity of particles play a key role in Pickering emulsions.
The photocatalytic performance of these g-C3N4-containing materials for degrading MB was evaluated under visible light irradiation (λ>400 nm), as shown in Figure 8a.
This unexpected behavior can be understood by considering factors influencing photocatalytic activity of the g-C3N4-containing materials.
Experimental Materials.
Result and Discussion It is well known that the hydrophilicity of particles play a key role in Pickering emulsions.
The photocatalytic performance of these g-C3N4-containing materials for degrading MB was evaluated under visible light irradiation (λ>400 nm), as shown in Figure 8a.
This unexpected behavior can be understood by considering factors influencing photocatalytic activity of the g-C3N4-containing materials.
Online since: July 2003
Authors: Nick Warrior, M. Ribeaux
Ribeaux2
School of Mechanical, Materials, Manufacturing Engineering and Management,
University of Nottingham, NG7 2RD, UK,
1
nick.warrior@nottingham.ac.uk, 2 eaxmr@gwmail.nottingham.ac.uk
Keywords: Composite, Energy Absorption, Damage, Crashworthiness, Experimental.
Fernie [5] showed that, for this material, the ultimate tensile and compressive stresses increased by 115% and 26% at the rate of 5ms -1.
Secondary effects, such as inertia and material damping would also tend to localise the material failure at the crush zone away from the damage under dynamic conditions.
Key Eng.
[5] Fernie, R. and Warrior, N.A. (2002) Impact Test Rigs for High Strain Rate Tensile and Compressive Testing of Composite Materials.
Fernie [5] showed that, for this material, the ultimate tensile and compressive stresses increased by 115% and 26% at the rate of 5ms -1.
Secondary effects, such as inertia and material damping would also tend to localise the material failure at the crush zone away from the damage under dynamic conditions.
Key Eng.
[5] Fernie, R. and Warrior, N.A. (2002) Impact Test Rigs for High Strain Rate Tensile and Compressive Testing of Composite Materials.
Online since: March 2024
Authors: A. Blanton Godfrey, Shaghayegh Rezaei-Arangdad
The pandemic's effects were felt across the supply chain, from raw materials to finished goods, and had a significant impact on production, transportation, and consumer demand.
These disruptions have led to shortages of raw materials and components, as well as delays in shipping and delivery [5].
Delays in the transportation of raw materials affected the production schedules of textile manufacturers, leading to shortages and interruptions in the supply chain.
· Adopt dual sourcing strategies for critical raw materials and components.
IEEE Engineering Management Review, 48(3), 153-166
These disruptions have led to shortages of raw materials and components, as well as delays in shipping and delivery [5].
Delays in the transportation of raw materials affected the production schedules of textile manufacturers, leading to shortages and interruptions in the supply chain.
· Adopt dual sourcing strategies for critical raw materials and components.
IEEE Engineering Management Review, 48(3), 153-166
Online since: October 2011
Authors: Zhi Sun, Quan Chao Zhuang, Wen Jing Bao, Zheng Yuan, Yong Li Cui
Electrochemical Performance Ni Doped Spinel LiMn2O4 Cathode for Lithium Ion Batteries
Cui YongLi*, Bao WenJing, Yuan Zheng, Zhuang QuanChao*, Sun Zhi
School of Materials Science and Engineering, China University of Mining & technology, Xuzhou 221116, China
Keywords: Lithium ion batteries, LiMn2O4 cathode, LiNi0.5Mn1.5O4, Electrochemical performance
Abstract.
Lithium manganese oxide (LiMn2O4) with a three-dimensional crystal structure is one of the most promising cathode materials for high abundance, low toxicity, high energy density and excellent voltage profile characteristics [1-3].
In comparison pure spinel materials, a shift of the XRD peaks of LiNixMn2-xO4 toward high angles is observed.
This means the stability of the structure has been enhanced after 0.5Ni-doped, which will help to improve the material electrochemical performance .
According to valence balance, the maximum x of doping active Ni2+ for LiNixMn2-xO4 electrode material is 0.5, which would raise the charge and discharge capacity of the battery at high voltage.
Lithium manganese oxide (LiMn2O4) with a three-dimensional crystal structure is one of the most promising cathode materials for high abundance, low toxicity, high energy density and excellent voltage profile characteristics [1-3].
In comparison pure spinel materials, a shift of the XRD peaks of LiNixMn2-xO4 toward high angles is observed.
This means the stability of the structure has been enhanced after 0.5Ni-doped, which will help to improve the material electrochemical performance .
According to valence balance, the maximum x of doping active Ni2+ for LiNixMn2-xO4 electrode material is 0.5, which would raise the charge and discharge capacity of the battery at high voltage.
Online since: December 2010
Authors: Bor Jang Tsai, Koo David Huang, Chien Ho Lee
Hybrid Structural Systems of An Active Building Envelope System(ABE)
Borjang Tsai1,a,Koodavid Huang2,b and Chienho Lee1,c
1,3 Department of Mechanical Engineering, Chung Hua University, No.707, Sec.2, Wu Fu Rd., Hsinchu, Taiwan 300,China,TEL:886-3-5186478 FAX:886-3-5186521
2Department of Vehicle Engineering, National Taipei University of Technology,1, Sec. 3, Chung-Hsiao E.
Madsen: Optimization method for wind turbine rotors, Journal of Wind Engineering and Industrial Aerodynamics 80 191-206. (1999) [4] A.
Wood: The starting and low wind speed behavior of a small horizontal axis wind turbine, Journal of Wind Engineering and Industrial Aerodynamics 92, 1265–1279. (2004) [5] J.
Epaarachchi and Clausen: The development of a fatigue loading spectrum for small wind turbine blades, Journal of Wind Engineering and Industrial Aerodynamics 94, 207–223. (2006) [6] B.
Huang: A Swiss-Roll Recuperator for the Microturbine Engine, Applied Thermal Engineering. (2007) [7] J.
Madsen: Optimization method for wind turbine rotors, Journal of Wind Engineering and Industrial Aerodynamics 80 191-206. (1999) [4] A.
Wood: The starting and low wind speed behavior of a small horizontal axis wind turbine, Journal of Wind Engineering and Industrial Aerodynamics 92, 1265–1279. (2004) [5] J.
Epaarachchi and Clausen: The development of a fatigue loading spectrum for small wind turbine blades, Journal of Wind Engineering and Industrial Aerodynamics 94, 207–223. (2006) [6] B.
Huang: A Swiss-Roll Recuperator for the Microturbine Engine, Applied Thermal Engineering. (2007) [7] J.