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Online since: October 2020
Authors: Tjokorda Gde Tirta Nindhia, I Wayan Surata, Akmal Raka Pamungkas, Tjokorda Sari Nindhia, Zdenek Knejzlik, Tomas Ruml
Tensile Strength of Single Fiber of Antheraea pernyi Cocoon Prepared by Various Protocols
Akmal Raka Pamungkas1,a, Tjokorda Gde Tirta Nindhia2,b, I Wayan Surata2,c, Tjokorda Sari Nindhia3,d, Zdenek Knejzlik4,e, Tomas Ruml4,f
1Master Student at Study Program of Master in Mechanical Engineering, Engineering Faculty, Udayana University, Denpasar, Bali, Indonesia
2Study Program of Mechanical engineering, Faculty of Engineering, Udayana University, Jimbaran, Bali, Indonesia
3Study Program of Veterinary Medicine, Faculty of Veterinary medicine, Udayana University, Denpasar, Bali, Indonesia
4Faculty of Food and Biochemical Technology, University of Chemistry and Technology, Prague, Technicka 5, 166 28 Prague, Czech Republic
aakmalrakap@gmail.com, bnindhia@yahoo.com, ciwasura@gmail.com, dsnindhia@yahoo.com, eZdenek.Knejzlik@vscht.cz, fTomas.Ruml@vscht.cz
Keywords: Tensile, strength, single, fiber, Antheraea pernyi, cocoon
Abstract.
The functions of these protein structures are for assisting to complete metamorphosis by moisture and thermal, protection from predators, pathogens, and parasitoids [1].
The cocoon biophysical structure should make it constructive and effective.
The functions of these protein structures are for assisting to complete metamorphosis by moisture and thermal, protection from predators, pathogens, and parasitoids [1].
The cocoon biophysical structure should make it constructive and effective.
Online since: October 2020
Authors: Everson do Prado Banczek, Yuji de Araújo Takahashi, Viviane Teleginski Mazur, Sílvia do Nascimento Rosa
Professora Laura Pacheco Bastos, 800, 85053-525, Guarapuava – PR – Brazil
2State University of Midwest (UNICENTRO) Chemistry Department,
Rua Simeão Varela de Sá, 03, Cascavel, 85040-167, Guarapuava – PR – Brazil
3Federal University of Technology (UTFPR) – Paraná, Industrial Maintenance Technology,
Av.
Some of these steel grades are used in structures such as truck chassis, cranes and earthmoving machines, in order to reduce weight and/or to increase the payload.
Finally to compare the surface structure after potentiodynamic testing, SEM was performed.
Some of these steel grades are used in structures such as truck chassis, cranes and earthmoving machines, in order to reduce weight and/or to increase the payload.
Finally to compare the surface structure after potentiodynamic testing, SEM was performed.
Online since: July 2020
Authors: Zhi Min Ou, Yuan Lu, Hong Qian Dai
(3)
In the formula, CR: the concentration of (R)-CHBE; CS: the concentration of (S)-CHBE.
3 Results and Discussion
3.1 Characterization of Fe3O4, Fe3O4-Lys, and Fe3O4-Lys-Cells
The surface structure of Fe3O4, Fe3O4-Lys, and Fe3O4-Lys-Cells were characterized by SEM(Fig. 3a-c).
The surface structure provided the basis for further immobilization of cells.
De Angelis, Efficient enantioselective synthesis of (R)-(-)-carnitine from glycerol, Journal of Organic Chemistry, 2000, 65(20):6766
The surface structure provided the basis for further immobilization of cells.
De Angelis, Efficient enantioselective synthesis of (R)-(-)-carnitine from glycerol, Journal of Organic Chemistry, 2000, 65(20):6766
Online since: July 2017
Authors: Laura Meucci, Eugenii V. Nikolayev, Sergey N. Kharlamov
Thus, the effective prediction of separation process due to the phase transitions and structure instability of the component composition is a significant element.
Thus, the mixtures separation problems are still far from complete and require to be studied in detail, especially in the part of substance structure evolution in the regimes of mass transfer augmentation.
[8] Mahsakazemi, Optimization of Oil and Gas Multi Stage Separators Pressure to Increase Stock Tank Oil, Oriental J. of Chemistry, 4 (27) (2011) 1503-1508
Thus, the mixtures separation problems are still far from complete and require to be studied in detail, especially in the part of substance structure evolution in the regimes of mass transfer augmentation.
[8] Mahsakazemi, Optimization of Oil and Gas Multi Stage Separators Pressure to Increase Stock Tank Oil, Oriental J. of Chemistry, 4 (27) (2011) 1503-1508
Online since: June 2015
Authors: A.V. Filonov, O.A. Kireeva
Reuse of the sludges in construction materials, especially bricks and concrete structures, reduces pollution and negative effects of galvanic waste components on human health.
Danilov, Reasons for Negative Formation of Structures in Carbon Steel Processing of Pressure, 7th International Forum on Strategic Technology (IFOST - 2012): Proceedings, Tomsk. 2 (2012) 151-154
Water Chemistry and Technology. 1 (1991) 68-71
Danilov, Reasons for Negative Formation of Structures in Carbon Steel Processing of Pressure, 7th International Forum on Strategic Technology (IFOST - 2012): Proceedings, Tomsk. 2 (2012) 151-154
Water Chemistry and Technology. 1 (1991) 68-71
Online since: February 2022
Authors: Denis G. Sergeev, Evgeny A. Marinin, I.S. Belashova
Various structures of the hardened areas with a characteristic microhardness distribution over the cross-section of the melt bath was obtained depending on the power density and the thickness of the saturating coating (δ).
The diameter of the laser impact area is the distance between the boundaries of structural transformations on the metal surface; the thickness of the laser impact area is the maximum distance along the center of the phase transformations to the original structure.
Transfer of an alloying element in a melt upon laser irradiation of metals in gaseous media, Physics, Chemistry and Mechanics of Surfaces. 5 (1988) 129-137
The diameter of the laser impact area is the distance between the boundaries of structural transformations on the metal surface; the thickness of the laser impact area is the maximum distance along the center of the phase transformations to the original structure.
Transfer of an alloying element in a melt upon laser irradiation of metals in gaseous media, Physics, Chemistry and Mechanics of Surfaces. 5 (1988) 129-137
Online since: June 2008
Authors: Ming Qiu Zhang, Min Zhi Rong, Tao Yin
Self-healing of Cracks in Epoxy Composites
Tao YIN
1,2,a, Min Zhi RONG
3,b and Ming Qiu ZHANG3,c
1
Key Laboratory for Polymeric Composite and Functional Materials of Ministry of Education, OFCM
Institute, School of Chemistry and Chemical Engineering, Zhongshan University, Guangzhou
510275, P.
Comparatively, microcracking is one of the fatal deteriorations generated in service, which would bring about catastrophic failure of the composites and hence significantly shorten the lifetimes of structures.
Due to the specific structure of the laminates, the released healing resin is hard to fully impregnate the fiber-rich region and the broken fibers cannot be jointed as the original versions [3].
Comparatively, microcracking is one of the fatal deteriorations generated in service, which would bring about catastrophic failure of the composites and hence significantly shorten the lifetimes of structures.
Due to the specific structure of the laminates, the released healing resin is hard to fully impregnate the fiber-rich region and the broken fibers cannot be jointed as the original versions [3].
Online since: September 2008
Authors: Mikhael Bechelany, Gabriel Ferro, Jacques Dazord, David Cornu, Philippe Miele
For example one can expect
strong carrier confinements in quantum structures associating SiC and a narrow gap material such
as Si.
They underwent separate and appropriate thermal treatments in order to reveal a regular step and terrace structure at their surface.
When comparing with the literature it is important to take attention to the difference in deposition chemistry (CVD with silane versus solid source MBE).
They underwent separate and appropriate thermal treatments in order to reveal a regular step and terrace structure at their surface.
When comparing with the literature it is important to take attention to the difference in deposition chemistry (CVD with silane versus solid source MBE).
Online since: April 2009
Authors: Konstantin N. Rozanov, D.A. Petrov, Andrei V. Ivanov, S.N. Starostenko, V.Yu. Galkin, V.A. Ivanov, A.N. Shalygin
Kurnakov Institute of General and Inorganic Chemistry of the RAS, 119991 Moscow, Russia
4
Institute for Theoretical and Applied Electromagnetics of the RAS, 125412 Moscow, Russia
Keywords: Amorphous microwires, microwave permeability, metamaterials.
Conventionally, a metamaterial is considered to consist of metal wires and metal split rings assembled in a periodic cell structure.
Such structure can be produced by printing an appropriate pattern on a dielectric circuit board with further stacking the boards together to comprise a bulk metamaterial [3].
Conventionally, a metamaterial is considered to consist of metal wires and metal split rings assembled in a periodic cell structure.
Such structure can be produced by printing an appropriate pattern on a dielectric circuit board with further stacking the boards together to comprise a bulk metamaterial [3].
Online since: October 2008
Authors: Jéferson Luis de Moraes Machado, Luis Alberto Santos
There are several methods to obtain porous ceramics, and among the more common ones are [3]:
sintering control, sol-gel, replication of polymeric porous structures, foam formation is ceramic
suspensions, and incorporation of volatile materials which are eliminated during firing, i.e., the
fraction, size and distribution of pores volume are determined by the amount of volatile phase, that
can be naphthalene, was, flour, coal, and some types of polymers.
Information regarding permeability of a porous structure can provide an estimative on how easy is for liquids and gases to penetrate inside it and attack it.
Hench: Introduction to Biomaterials, Journal of the Spain Roy of Chemistry, Spain, v. 93, n. 1 (1997)
Information regarding permeability of a porous structure can provide an estimative on how easy is for liquids and gases to penetrate inside it and attack it.
Hench: Introduction to Biomaterials, Journal of the Spain Roy of Chemistry, Spain, v. 93, n. 1 (1997)