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Online since: September 2005
Authors: R. Tamm, C.G. Oertel, Werner Skrotzki, G.H. Cao, B. Holzapfel, K. Subba Rao, S.C. Wimbush
The compounds are
characterized by a layered crystal structure similar to that of the superconducting copper oxides with
the planar CuO2 sheets replaced by distorted (Ni-B)2 sheets.
However, in spite of the layered structure, the borocarbides have almost 3D properties [3].
Acknowledgements This work was supported by the Deutsche Forschungsgemeinschaft as part of SFB 463 "Rare earth transition metal compounds: structure, magnetism and transport".
Dean: Lange's Handbook of Chemistry (McGraw Hill, New York 1985) [17] G.H.Cao, P.
However, in spite of the layered structure, the borocarbides have almost 3D properties [3].
Acknowledgements This work was supported by the Deutsche Forschungsgemeinschaft as part of SFB 463 "Rare earth transition metal compounds: structure, magnetism and transport".
Dean: Lange's Handbook of Chemistry (McGraw Hill, New York 1985) [17] G.H.Cao, P.
Online since: December 2012
Authors: Hong Zhu, Hong Xu Qiao
It can be observed that wheat straw cell structure ruptured, lignin dissolved and removed for cooking 90 min under a fluorescence microscope (Figure 1).
Figure 1 Wheat straw fiber structure of initial state and cooking for 90 min 3.2 Analysis of Black Liquor Lignin Content and Alkali Concentration in Cooking Process The lignin removed was left in the black liquor in pulping process.
[8] Lou Rui, Wu Shu-bin, Lu Gao-jin, Yang Qing.Chemical Structure and Thermochemical Properties Lignin from Herbaceous Plant.Journal of South China University of Technology.8(2010), Vol.38, 1-6 [9] Qin Menghua, Fu Yingjuan, Wang Zhen, Liu Nali.Employment of Polysulfide and Anthraquinone in Extended Delignification of Wheat Straw Soda-AQ Pulp.Transactions of China Pulp and Paper. 13 (1998) 16-21(in Chinese)
[10] Obrocea,PP ,Teodorescu,GN; Obrocea,P.Studies on NSSC-AQ pulping of aspen wood.I.Kinetic aspects.Cellulose Chemistry and Technology. 29(2005)247-252 [11]Peter Axegard, Steve Moldenius and Leelo Olm.
Figure 1 Wheat straw fiber structure of initial state and cooking for 90 min 3.2 Analysis of Black Liquor Lignin Content and Alkali Concentration in Cooking Process The lignin removed was left in the black liquor in pulping process.
[8] Lou Rui, Wu Shu-bin, Lu Gao-jin, Yang Qing.Chemical Structure and Thermochemical Properties Lignin from Herbaceous Plant.Journal of South China University of Technology.8(2010), Vol.38, 1-6 [9] Qin Menghua, Fu Yingjuan, Wang Zhen, Liu Nali.Employment of Polysulfide and Anthraquinone in Extended Delignification of Wheat Straw Soda-AQ Pulp.Transactions of China Pulp and Paper. 13 (1998) 16-21(in Chinese)
[10] Obrocea,PP ,Teodorescu,GN; Obrocea,P.Studies on NSSC-AQ pulping of aspen wood.I.Kinetic aspects.Cellulose Chemistry and Technology. 29(2005)247-252 [11]Peter Axegard, Steve Moldenius and Leelo Olm.
Online since: August 2004
Authors: Ruth Herta Goldsmith Aliaga Kiminami, M.R. Morelli
Several investigations of the characteristics of LaCrO3, such as their structure and their
catalytic, electrical and magnetic properties, have been reported in the literature [8].
The proportions of the initial reagents were calculated based on the total valences of the reacting elements in order to supply the ratio [oxidizer (N)/fuel (U)] = 1 to release the maximum energy for the reaction, following the concepts of propellant chemistry [8].
Results and Discussion The XRD patterns of LaCrO3 and La0.8Ca0.2Cr0.7Co0.3O4 prepared by microwave-induced combustion reaction method showed a single-phase perovskite structure of LaCrO3 and La0.8Ca 0.2Cr 0.7Co0.3O4.
The proportions of the initial reagents were calculated based on the total valences of the reacting elements in order to supply the ratio [oxidizer (N)/fuel (U)] = 1 to release the maximum energy for the reaction, following the concepts of propellant chemistry [8].
Results and Discussion The XRD patterns of LaCrO3 and La0.8Ca0.2Cr0.7Co0.3O4 prepared by microwave-induced combustion reaction method showed a single-phase perovskite structure of LaCrO3 and La0.8Ca 0.2Cr 0.7Co0.3O4.
Online since: May 2011
Authors: Hong Wei Yang, Yi Wei Fei, Xian Yong Wei, Jian Qiang Hu, Chao Wu
Fig. 1 Sketch map of fluorocarbon surface structure
Experimental
Contact Angle.
The microstructures of the surface-fluorinated polymer’s surface are similar to the hierarchical structures of the surface of a lotus leaf which can obtain barrier properties towards fuel oil.
In: Organofluorine Chemistry.
The microstructures of the surface-fluorinated polymer’s surface are similar to the hierarchical structures of the surface of a lotus leaf which can obtain barrier properties towards fuel oil.
In: Organofluorine Chemistry.
Online since: July 2011
Authors: Chang Mao Hung
Centi (1995) published an excellent review of the chemistry of copper-based catalysts, in which they indicated avenues for future research [4].
Rather, in this case, studies on cytotoxicity are available, especially for copper-group materials that have been used for decades, but very little is known on the toxicological effect and interaction with cellular structures for most newly developed materials.
The inhibition of this effect, associated with treatment with phosphoric acid may be related to the formation of aluminum phosphate, which alters the composition and structure of the γ-Al2O3 support, consistent with the literature [8].
Rather, in this case, studies on cytotoxicity are available, especially for copper-group materials that have been used for decades, but very little is known on the toxicological effect and interaction with cellular structures for most newly developed materials.
The inhibition of this effect, associated with treatment with phosphoric acid may be related to the formation of aluminum phosphate, which alters the composition and structure of the γ-Al2O3 support, consistent with the literature [8].
Online since: April 2011
Authors: Ling Liu, Shi Xing Zhang, Yun Wang
Birch has fine fiber structures, strong mechanics intensity and flexibility etc.
This apparatus was used widely in biology, iatrology, paleontology, geology, chemistry, physics, electronics and other areas for its distinct merits, and it has been one of the most important study means [1].
It is obvious that the damage to the inner structure is not distinct at this heating-up temperature; When the heating-up temperature rises to 500°C, the fiber external films have been destroyed, but the inner films have not been affected.
This apparatus was used widely in biology, iatrology, paleontology, geology, chemistry, physics, electronics and other areas for its distinct merits, and it has been one of the most important study means [1].
It is obvious that the damage to the inner structure is not distinct at this heating-up temperature; When the heating-up temperature rises to 500°C, the fiber external films have been destroyed, but the inner films have not been affected.
Online since: June 2015
Authors: Kwang Hwan Jhee, Hong Gi Oh, Hyo Geun Nam, Joon Mook Lim, Kwang Soup Song
Cytotoxicity assessment of SH-SY5Y cells grown on graphene sheet
Hong-Gi Oh 1a, Hyo-Geun Nam 1b, Kwang-Hwan Jhee2c, Joon-Mook Lim3d, Kwang-Soup Song1e*
1Department of Medical IT Convergence Engineering, Kumoh National Institute of Technology, Gumi 730-701, Korea
2Department of Applied Chemistry, Kumoh National Institute of Technology, Gumi 730-701, Korea
3Department of Creative Convergence Engineering, Hanbat National University, Daejeon 305-719, Korea
ahonggi@kumoh.ac.kr, bhyogeun@kumoh.ac.kr, ckhjhee@kumoh.ac.kr djmlim@hanbat.ac.kr, ekssong10@kumoh.ac.kr
Keywords: Graphene, SH-SY5Y, Cell viability, Fluorescence, MTT assay
Abstract.
Introduction Graphene is a single atom sheet of sp2 bonded carbon atoms in a closely packed honeycomb structure.
Roth, The structure of suspended graphene sheets, Nature 446 (2007) 60-63
Introduction Graphene is a single atom sheet of sp2 bonded carbon atoms in a closely packed honeycomb structure.
Roth, The structure of suspended graphene sheets, Nature 446 (2007) 60-63
Online since: July 2014
Authors: Jun Du, Han Han Du
The new buildings’ spatial structure has connection in space context with old buildings around such as Hu Qing Yu Chinese Pharmacy and Yuanfengxiang Teahouse, and the topologic relation is also consistent with aesthetics and romantic charm of traditional garden architecture in the South Yangzi River area, thus achieving the high degree of unity in both form and spirit between the old and new buildings as shown in Figure 6
The protective historical building at No.19 of Jinchaidai Lane is used as administrative office and connected to main buildings with a steel structure corridor.
Biology, Physics and Chemistry lab and teacher’s offices are at the west corridor and east corridor of school buildings No.2 and 3respectively.
The protective historical building at No.19 of Jinchaidai Lane is used as administrative office and connected to main buildings with a steel structure corridor.
Biology, Physics and Chemistry lab and teacher’s offices are at the west corridor and east corridor of school buildings No.2 and 3respectively.
Online since: December 2011
Authors: Zheng Yong Wu, Ming Gang Huang, Jian Hu
Use of Software to Facilitate Intumescent Fire-retardant Coatings for Structural Steelworks’s Formulation
HU Jian1,2, a, HUANG Ming Gang1,b and WU Zheng yong1,c
1Department of Chemical Engineering,Sichuan College of Chemical Technology,Luzhou China
2 College of Chemistry, Sichuan University, Chengdu, China
ahujianbox@163.com, bhmggw@163.com, c67891451@qq.com
Keywords: Intumescent fire-retardant coatings; Structural steelworks; Uniform design
Abstract.
Steel, a non-combustible material with good ductility, begins to lose its structural properties above 500°C or even as low as 450°C in case of fire and tends to distort, leading to the collapse of building structures.
properties of the coating Multivariate Design of Intumescent Fire Retardants Via Uniform Design of Experiments with Mixtures Design of Experiment (DOE) is a structured, organized method that is used to determine the relationship between the different factors affecting a process and the output of that process (response) through observance of forced changes made methodically as directed by systematic tables.
Steel, a non-combustible material with good ductility, begins to lose its structural properties above 500°C or even as low as 450°C in case of fire and tends to distort, leading to the collapse of building structures.
properties of the coating Multivariate Design of Intumescent Fire Retardants Via Uniform Design of Experiments with Mixtures Design of Experiment (DOE) is a structured, organized method that is used to determine the relationship between the different factors affecting a process and the output of that process (response) through observance of forced changes made methodically as directed by systematic tables.
Online since: February 2018
Authors: Jing She Li, Zheng Yang Chen, Qing Liu, Shu Feng Yang
Jagodič, Microwave-assisted nonaqueous sol-gel chemistry for highly concentrated ZnO-based magnetic semiconductor nanocrystals, J.
Arda, Preparation, structure, and magnetic characterization of Ni doped ZnO nano-particles, J.
Singh, Improved structure stability, optical and magnetic properties of Ca and Ti co-substituted BiFeO3 nanoparticles, Appl.
Arda, Preparation, structure, and magnetic characterization of Ni doped ZnO nano-particles, J.
Singh, Improved structure stability, optical and magnetic properties of Ca and Ti co-substituted BiFeO3 nanoparticles, Appl.