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Online since: February 2021
Authors: Shamo Zokhrab Tapdiqov
Since 1970, the conjugation of polyethylene glycol (PEG) with proteins and the synthesis of temperature-sensitive smart materials has delivered new solutions in this area [12-16].
Materials and Methods Methyl ether of polyethylene glycol (mPEG) Mn = 2000, L-alanine (Ala), L-Aspartic acid α-benzyl ester (BAsp), triphosgene (TFG), trifluoroacetic acid-d (TFA-d), phosphate-buffered saline with a pH of 7.2 (PBS), elastase from porcine pancreas (lyophilized powder, suitable for cell culture) were all obtained from Sigma-Aldrich.
Journal of Biomimetics, Biomaterials and Biomedical Engineering, 39, 77, (2018)
Bromberg, J.Phys., Novel family of thermogelling materials via C–C bonding between poly(acrylic acid) and poly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide), Chem.,102, 1956, (1998)
Matyjaszewski, ATRP in the design of functional materials for biomedical applications, Prog Polym Sci, 37, 18, (2012)
Materials and Methods Methyl ether of polyethylene glycol (mPEG) Mn = 2000, L-alanine (Ala), L-Aspartic acid α-benzyl ester (BAsp), triphosgene (TFG), trifluoroacetic acid-d (TFA-d), phosphate-buffered saline with a pH of 7.2 (PBS), elastase from porcine pancreas (lyophilized powder, suitable for cell culture) were all obtained from Sigma-Aldrich.
Journal of Biomimetics, Biomaterials and Biomedical Engineering, 39, 77, (2018)
Bromberg, J.Phys., Novel family of thermogelling materials via C–C bonding between poly(acrylic acid) and poly(ethylene oxide)-b-poly(propylene oxide)-b-poly(ethylene oxide), Chem.,102, 1956, (1998)
Matyjaszewski, ATRP in the design of functional materials for biomedical applications, Prog Polym Sci, 37, 18, (2012)
Online since: October 2010
Authors: Gui Cheng Wang, Chun Gen Shen, Shu Lin Wang, Wen Wu Nie, Gang Liu
HSK63A toolholder was built based on the ISO12164-1 standard using the parametric method, their physical and mechanical properties were shown as follow in Table 1:
Table 1 Material properties of HSK63A tool system components
Appellation
Material
Density
[Kg/m3]
Young modulus [GPa]
Poisson ratio
Tensile strength limit [MPa]
Yield strength [MPa]
Tool holder
40CrNi2Mo
7.85
193
0.284
1240
1178
Cutting tool
Cemented Carbide
19.3
400
0.28
980
750
We combined the toolholder and collect chunk as one part for reducing the computing scale with the finite element method, so we only need to establish finite element model of toolholder and cutting tool.
Davies and M.D.Kennedy: Journal of Manufacturing Science and Engineering, Vol. 123(2001), pp. 700~707
Davies and M.D.Kennedy: Journal of Manufacturing Science and Engineering, Vol. 123(2001), pp. 700~707
Online since: November 2012
Authors: Xi Min Liu, Li Qin Li, Li Bin Zhao, Da Yu Wang, Xing Wang Wen
Fig. 3 Positions for presetting anti-deformation on the stringer
Fig. 4 Positioning and clamping point of the set
The determination of anti-deformation
Anti-deformation ƒ0 of frame rails is preliminarily estimated by formula (1)[8]:
f0=== (1)
Where is yield strength of materials at high temperature, E2 is elastic modulus, l is the length of the stringer, y is the distance of the weld away from the neutral axis.
Journal of Japan Welding Socity,1959,27(6):13-20
Wuhan: Huazhong University of Science and Technology Library, 2005.4
Journal of Japan Welding Socity,1959,27(6):13-20
Wuhan: Huazhong University of Science and Technology Library, 2005.4
Online since: May 2011
Authors: Xiang Lin Gu, Qing Hua Huang, Wei Ping Zhang, Qing Zhang Zhang
The transmission of chloride ion in concrete is a complicated procedure, which is not only related to the external environment, but also the material properties and quality of concrete itself.
Arliguie: submitted to Material and Structures (1998) [4] Y.S.
Xu: submitted to Journal of Harbin Institute of Technology (2006) [9] Duracrete.
Chen: submitted to Tsinghua Science and Technology (2008) [11] B.J.
Arliguie: submitted to Material and Structures (1998) [4] Y.S.
Xu: submitted to Journal of Harbin Institute of Technology (2006) [9] Duracrete.
Chen: submitted to Tsinghua Science and Technology (2008) [11] B.J.
Online since: January 2014
Authors: Eddy S. Koenhardono, Eko Budi Djatmiko, Adi Soeprijanto, Mohammad I. Irawan
Proceedings of IMarEST - Part A - Journal of Marine Engineering and Technology,. 2005 Dec;Volume 2005(Number 7):25–32(8)
Technical University of Hamburg-Harburg, Germany: IMarEST, Institute of Marine Engineering, Science and Technology; 1993. p. 9.1–9.14
Applied Mechanics and Materials. 2011 Oct;121-126
Technical University of Hamburg-Harburg, Germany: IMarEST, Institute of Marine Engineering, Science and Technology; 1993. p. 9.1–9.14
Applied Mechanics and Materials. 2011 Oct;121-126
Online since: January 2018
Authors: Hanaa Y. Ghorab, Hossam E.H. Ahmed, Ali S. Shanour, Hamdy M.A. Wahdan
Wahdan2,d
1Faculty of Science, Helwan University, Cairo, Egypt
2Faculty of Engineering, Shoubra, Benha University, Cairo, Egypt
aHanaa.ghorab@gmail.com. bHossam-heliopolis@hctc.com, cali.shnor@feng.bu.edu.eg, deng_hamdy.whdan2031@yahoo.com
Keywords: Portland limestone cement; Calcined clays, Sulfate solutions, Compressive strength, Expansion, 5oC
Abstract.
The use of calcined clays as pozzolanic material in cement is known as early as the beginning of the twentieth century [1].
The fineness of the ground material was 3654 (cm2/g) Blaine.
On the durability of Portland limestone cement: effect of pH on the thaumasite formation HBRC Journal (accepted, in press)
The use of calcined clays as pozzolanic material in cement is known as early as the beginning of the twentieth century [1].
The fineness of the ground material was 3654 (cm2/g) Blaine.
On the durability of Portland limestone cement: effect of pH on the thaumasite formation HBRC Journal (accepted, in press)
Online since: January 2005
Authors: Sang Min Park, Soon Hwa Jung, Soung Hee Park, Sang Done Kim
Journal Citation (to be inserted by the publisher)
Copyright by Trans Tech Publications
Silicon oxide thin film deposition on alumina in a circulating
fluidized bed reactor
Sang Min Park
1
, Soon Hwa Jung2 , Soung Hee Park
3
,
Sang Done Kim
1 **
1
Department of Chemical and Biomolecular Engineering,
Korea Advanced Institute of Science and Technology,
373-1 Guseong-dong, Yuseong-gu, Daejeon, 305-701, Korea
2
Cooperative R&D, LG Chem, Ltd., Research Park, Yuseong-gu, Daejeon, 305-380, Korea
3
Department of Chemical Engineering, Woosuk University, 490, Hujung-ri, Samrye-up,
Wanju-gun, Chonbuk, 565-701, Korea
**Corresponding author : kimsd@kaist.ac.kr
Keywords: plasma, CVD, circulating fluidized bed, powder, TEOS, HMDSO, atmospheric
pressure.
Also, these types of precursor allow the deposition of a large variety of materials, from silica to silicon polymers, with different properties [3, 4].
Also, these types of precursor allow the deposition of a large variety of materials, from silica to silicon polymers, with different properties [3, 4].
Online since: April 2010
Authors: Maria Luisa Di Vona, Philippe Knauth, Sebastiano Tosto
The water uptake and loss is thus also of fundamental importance for the
proper functioning and the long-time stability of polymer exchange membrane fuel cells (PEMFC),
because it is related to irreversible dimension changes of the material and a morphological
instability, which can be connected to the mechanical properties of the membrane, especially its
elastic modulus.
The mechanism through which the adsorbates penetrate into the material is not discussed in detail; the existence of the various is is simply the result of local Langmuir isotherms that control the net balance between the evaporation and condensation rates.
Knauth: Journal of Membrane Science Vol. 304 (2007), p.76
The mechanism through which the adsorbates penetrate into the material is not discussed in detail; the existence of the various is is simply the result of local Langmuir isotherms that control the net balance between the evaporation and condensation rates.
Knauth: Journal of Membrane Science Vol. 304 (2007), p.76
Online since: November 2015
Authors: Matthew Sunderland, Steven McNeil, Peter Ingham, Warren Meade
Wool carpets perform well as dedicated acoustic materials in absorbing airborne noise; additionally, they reduce floor impact noise at source.
Tapp, The design and initial evaluation of visual cues in carpets to assist walking, Journal Text.
Pitts, Felted wool yarns, Wool Science Review. 56 (1980) 61-80.
Tapp, The design and initial evaluation of visual cues in carpets to assist walking, Journal Text.
Pitts, Felted wool yarns, Wool Science Review. 56 (1980) 61-80.