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Online since: April 2014
Authors: Qian Wei Xu, Xian Kun Meng
Effect of Nucleating Agent on the Structure and Mechanical Properties of Oriented PET Xu Qianwei1,a, Meng Xiankun2,b 1,2School of Materials Science and Engineer, Tongji University, Shanghai, 201804, China axu_qw@mail.tongji.edu.cn , bchinayouth529@163.com Key words: PET; Nucleation agent; Toughness; Crystallization; Orientation.
However, the toughening modification method of PET by blending with other materials often decrease the tensile strength.
Journal of materials science, 2004, 39(12): 4049-4051
Polymer Materials Science and Engineering, 2009, 25: 137-140
Applied Mechanics and Materials, 2013, 295: 1806-1809
Online since: July 2011
Authors: Peter Whiteley
Further material can be obtained by Googling: Hertwich Engineering, Thermcon Ovens, LOI, and Mecatherm for example.
In addition to the foregoing there are a lot of important engineering details to address to ensure furnace structural integrity and durability by finite element stress and deflection analyses, which are beyond the scope of this discussion.
These materials are now also available for gunning
In the authors view..”running a productive casthouse is principally an exercise in efficient materials handling”.
If you simply stand in a position which affords a decent view of the overall casthouse, and observe the activities, 90% of what you see will be one form or another of materials handling, all having a degree of interdependence.
Online since: July 2016
Authors: Stefano de Santis, Gianmarco de Felice, Annalisa Napoli, Roberto Realfonzo
Proc. of Society for the Advancement of Material and Process Engineering Symposium, Long Beach, Ca, USA: 20-27, 2004
“Characterization of reinforced concrete beams strengthened by steel reinforced polymer and grout (SRP and SRG) composites” Materials Science and Engineering: A, Vol. 412, No. 1–2, 2005, pp. 129-136
Materials and Structures. 2015.
“Intrados strengthening of brick masonry arches with composite materials”, Composites Part B: Engineering, Vol. 42, No. 5, 2011, pp. 1164-1172
Key Engineering Materials, Vol. 624, 2015, pp. 652-659
Online since: January 2011
Authors: Shi Sheng Zhou, Bin Du, Nan Wang
Influences of Surfactants on Gloss of Aluminum Paste Printing Ink DU Bin1,a, ZHOU Shi-sheng1,b, WANG Nan1,c 1 Institute of Printing and Packing Engineering, Xi’an University of Technology, Xi’an Shaanxi 710048, P.
China abindu_830211@yahoo.com.cn, bzhoushisheng@xaut.edu.cn, c253715399@qq.com Key words: aluminum powder, aluminum paste printing ink, surfactant, gloss Abstract.
Firstly, pretreatment for aluminum powders, getting 100g of aluminum powders of raw materials into the 500ml beaker, adding 300ml ethyl acetate, after 3h stirring with a magnetic stirrer, standing for 2h, then filtering, drying and setting aside.
As ethyl acetate can be used as vehicle material of aluminum powders, which has good dispersion in ethyl acetate, ethyl acetate can be used as liquid for testing the wettability of aluminum powders.
Online since: July 2011
Authors: John A. Taylor, Paul W. Cleary, Mahesh Prakash
Taylor2,# c 1CSIRO Mathematics, Informatics and Statistics, Private Bag 33, Clayton South, VIC 3169, Australia 2School of Mechanical & Mining Engineering, The University of Queensland, Brisbane, QLD 4072, Australia #CAST Cooperative Research Centre aMahesh.Prakash@csiro.au, bPaul.Cleary@csiro.au, cjohn.taylor@uq.edu.au, Keywords: oxide formation, crucible tipping rate, SPH, flow modeling Abstract.
One of the key controlling parameters is the pouring rate or crucible tipping rate.
In SPH, materials are approximated by particles that are free to move around rather than by fixed grids or meshes.
One particular advantage that SPH has over other competing methods for modelling some industrial heat and mass flows is that complex free surface and material interface behaviour, including fragmentation, can be modelled easily and naturally with low resolutions and produce accurate predictions with no mass lost or numerical diffusion of the interfaces.
Online since: November 2011
Authors: Wei Guo, Di Hui Lai, Xin Hua Hou
Dynamic Complexity of E-Commerce Systems Base on Synergy Field Lai Dihui1, Hou Xinhua1 and Guo Wei1 1 Department of Management Engineering, Tianjin Institute Of Urban Construction,Tianjin, P.
The interaction of the homogenous particles or heterogenous particles forms particle field; by means of the dynamic function, interrelated function and fluctuated function, depending on the crossed integration of certain material stream, energy stream and information stream, the basis kernel of self-organizational evolution, the foundation of quantum field, is formed.
The establishment of the synergy field equation illustrates that the field has gauge invariance, that is the evolution of the E-commerce system is not supposed to change with the change of time-space scale on the time-space point, and the material’s degree of freedom inside and outside the system does not influence the evolution of the system; the evolutional state of the system shows the integral cooperativity.
Before the spontaneous symmetry breaking takes place, the slight rise of the synergy field is under the critical state; the field runs effectively, and various material streams, information streams and energy streams flow orderly within the field, which makes the field keeps a pre-established change based on the present stable interface – the stable state, and the initial points of the direction of the rise and fall are both the original stable state of the field.
*The paper is supported by National Key Technology R&D Program in the 11th Five-year Plan of China(2008BAJ08B16-07).
Online since: January 2013
Authors: Ying Hua Yu, Hong Qi Yuan, Xiang Li Zhong, Xue Qiu
The hydrogen index was 85-156mg/g, which more than 100 occupied the majority, and the oxygen index was 97-107mg/g,the value of satisfied hydrocarbon/ aromatic hydrocarbon was 2.17-2.21,the main type of organic material was Type II, the content of organic carbon was about 1%, the content of chloroform asphalt A was up to 0.14%, the value of Ro was about 1%, it had the hydrocarbon-generating ability in some degree.
The hydrogen index was13-300mg/g,and the oxygen index was 7-155mg/g,the value of satisfied hydrocarbon/ aromatic hydrocarbon was 1.27-3.7,the main type of organic material was Type II, the content of organic carbon was up to 3.5%, the content of chloroform asphalt A was about 0.16%, the value of Ro was about 0.8%, and it had the hydrocarbon-generating ability in some degree.
The Sq2 Sq3 sediments were supplied rapidly and were the product near the material source which accumulated fleetly, and the transportation distance was short, so the sorting features of the sand bodies and the physical property of the reservoirs were bad.
The hydrocarbon migration channels were the key to resolve the problem of the secondary hydrocarbon migration paths.
Quarterly Joumal of Engineering Geology Hydrogeology.
Online since: December 2012
Authors: Wan Fen Pu, Qin Peng, Feng Sheng Yao, Rui Liu
Synthesis of AM-co-NVP and thermal stability in hostile saline solution Rui Liu1,a, Wan Fen Pu1,b , Qin Peng2,c , Feng Sheng Yao1,d 1 Xindu Avenue No. 8, Zip Code: 610500, State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, People’s Republic of China 2 Xindu Avenue No. 8, Zip Code: 610500, School of Chemistry and Chemical Engineering, Southwest Petroleum University, Chengdu, People’s Republic of China abreakthroughliu@yahoo.cn, bliurpengq@yeah.net, cbreakthroughliu@yeah.net, d675792114@qq.com, Keywords: copolymer preparation; structure characterization; thermal stability; brines solution.
Experiment The materials in our experiments were all purchased from KeLong Chemical Reagent Company, Chengdu, China.
Commercial grade material of partially hydrolyzed polyacrylamide (HPAM) was refined under vacuum and store below 0 °C.
Online since: August 2013
Authors: An Pi Chang, Chen Yu Hsu, Jyh Dong Lin, Chien Cheng Chou
achang.anpi@gmail.com, bjyhdongl@ncu.edu.tw, cccchou@ncu.edu.tw, d973402002@cc.ncu.edu.tw Key words: Tabular CUSUM Charts, process mean, Shewhart Control Chart, Quality Control.
In this way, it will be accumulated to current-term average sample count for overall consideration in order to effectively evaluate the supplier’s concrete quality control and stability in material used in the same construction site, the same strength mixing ratio, and the same design strength.
It has specified that a minimum 2 pieces of cylindrical subjects shall be taken and the allowable NG rate shall be 1% (actual value will be 0.26%) [14], for which, μ0 represents the mean value of the characteristics for the same material previously used and σ is all standard deviations.
It is especially true for the material supply end.
[12] Information on http://www.businessdictionary.com/definition/tabular-CUSUM-chart.html [13] Chinese Institute of Civil and Hydraulic Engineering, Concrete construction norm and explaining, Civil 402-94, Taipei, 2005
Online since: January 2013
Authors: Li Xin Zhang, Ning Zhang, Jinhua Li, Zhonghua Wang
New α-glucosidase inhibitory polysaccharides isolated from marine green algae Enteromorpha linza Li-Xin Zhang 1,a, Ning Zhang1,b, Jin-Hua Li 1,c, Zong-Hua Wang 1,2,d 1College of Chemical and Environmental Engineering, Qingdao University, Qingdao 266071, China 2Laboratory for New Fiber Materials and Modern Textile, Growing Base for State Key Laboratory, Qingdao University, China alxzhanghot@hotmail.com, bzhangning1988@hotmail.com, cjinhuali1978@163.com, dwang_zonghua@yahoo.com.cn Keywords: Enteromorpha linza, Polysaccharides, α-glucosidase, Antioxidant activity.
Experimental Material.
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