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Online since: December 2015
Authors: Khoje Golshad, Asghari Jila
A Facile method for synthesis of CdS/P(St-co-MMA) nanorods composite and characterization of its optical properties
Asghari Jila1,a*, Khoje Golshad2,b
1,2 Department of Chemistry, Golestan University, Gorgan, P.O.
Structure and morphology of CdS nanoparticles have been characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM).
The XRD measurements suggest the cubic structure for CdS and the particles size was estimated to about 3.35 nm by applying Scherrer’s equation.
The SEM analysis confirmed the nanorode structure of CdS/ (St-co-MMA) composite.
X-ray diffraction patterns revealed that the synthesized CdS nanoparticles in copolymer matrix have cubic structure.
Structure and morphology of CdS nanoparticles have been characterized using X-ray diffraction (XRD) and scanning electron microscopy (SEM).
The XRD measurements suggest the cubic structure for CdS and the particles size was estimated to about 3.35 nm by applying Scherrer’s equation.
The SEM analysis confirmed the nanorode structure of CdS/ (St-co-MMA) composite.
X-ray diffraction patterns revealed that the synthesized CdS nanoparticles in copolymer matrix have cubic structure.
Online since: March 2007
Authors: Kai Tak Wan
Experiments were carried out for a range of
liposomes with different chemical makeup and substrate chemistry [5].
To fully understand the lens behavior, the nano- and micro-structure and their characteristics must be quantified.
The former tends to reject the oversimplified assumptions in solid-mechanics modeling, and the latter is reluctant to tackle soft biological tissues that contrast conventional engineering structures.
To fully understand the lens behavior, the nano- and micro-structure and their characteristics must be quantified.
The former tends to reject the oversimplified assumptions in solid-mechanics modeling, and the latter is reluctant to tackle soft biological tissues that contrast conventional engineering structures.
Online since: February 2011
Authors: Qiang Liu, Bing Jian Zhang
Synthesis and characterization of a novel biomaterial for the conservation of historic stone buildings and sculptures
Qiang Liu1, a and Bingjian Zhang2, b
1 Yunnan key laboratory of nanomaterials & nanotechnology, Department of materials science and technology, Yunnan University, Kunming 650091, China
2 Department of Chemistry, Zhejiang University, Hangzhou310027, China
ayusosliu@yahoo.com.cn, bzbj@mail.hz.zj.cn
Keywords: Stone conservation; Consolidation; Surface protection; Biomimetic synthesis; Apatite.
The biominerals, such as sea shells and teeth, have the same composition and structure as the stones’, but they have some unique features— light weight, mechanically robust and unique functions, which provide a new direction to explore new materials for the stone conservation.
Moreover, the net-like structure of apatite can permit the protected materials to breathe while protecting.
The biominerals, such as sea shells and teeth, have the same composition and structure as the stones’, but they have some unique features— light weight, mechanically robust and unique functions, which provide a new direction to explore new materials for the stone conservation.
Moreover, the net-like structure of apatite can permit the protected materials to breathe while protecting.
Online since: June 2007
Authors: Jong Rack Sohn, Dong Cheol Shin
Characterization and Acid Catalytic Properties of NiO Supported on ZrO2
and Modified with MoO3
Jong Rack Sohn, Dong Cheol Shin
Department of Applied Chemistry, Engineering College, Kyungpook National University, Taegu
702-701, Korea
Corresponding author: jrsohn@knu.ac.kr
Keywords: NiO-ZrO2/MoO3, Acid catalysis, Cumene dealkylation, Characterization
Abstract.
The MoO3 structure is made up of distorted MoO3 octahedra.
Wavenumber, cm -1 1200 1000 800 600 400 200 MoO3 content, wt% 100 30 25 15 10 5 Intensity, a.u. 370 640 608 472 325 265 975 825 360 970 995 819 667 290 Transmittance, % Wavenumber, cm -1 2000 1500 1000 500 100 MoO3 content, wt% 5 15 20 30 50 40 1625 599 862 994 Crystalline structures of catalysts.
The MoO3 structure is made up of distorted MoO3 octahedra.
Wavenumber, cm -1 1200 1000 800 600 400 200 MoO3 content, wt% 100 30 25 15 10 5 Intensity, a.u. 370 640 608 472 325 265 975 825 360 970 995 819 667 290 Transmittance, % Wavenumber, cm -1 2000 1500 1000 500 100 MoO3 content, wt% 5 15 20 30 50 40 1625 599 862 994 Crystalline structures of catalysts.
Online since: May 2011
Authors: Jia Liu, Shun Xiang Li
Nano-ZnO: the average particle size is 20nm, which was from Changchun Institute of Applied Chemistry, Chinese Academy of Sciences.
Through a series of trainings, the structure of the model was finally determined as 5*8*1.
Conclusions The nonlinear model on process parameters and mechanical properties in which the structure was 5*8*1 can be more accurately fit test sample data, in which the error is less than 1.5%, and the relevant index was very close to 1.
Through a series of trainings, the structure of the model was finally determined as 5*8*1.
Conclusions The nonlinear model on process parameters and mechanical properties in which the structure was 5*8*1 can be more accurately fit test sample data, in which the error is less than 1.5%, and the relevant index was very close to 1.
Online since: June 2010
Authors: Tao Ye
The total increment of occupation is 982 employees concentrated in the chemistry,
the photovoltaic and the plastic sector.
This allows me to conclude that the results are reasonably robust with respect to misspecification of the cost structure of module manufacturing.
The simulation proves that impact analysis results are reasonably robust with respect to misspecification of the cost structure.
This allows me to conclude that the results are reasonably robust with respect to misspecification of the cost structure of module manufacturing.
The simulation proves that impact analysis results are reasonably robust with respect to misspecification of the cost structure.
Online since: October 2010
Authors: Qing Ge Feng, Shao You Liu
Synthesis of Uranium Doped TiO2 Nanomaterial and Its Visible Light Degradation Property
Liu Shao-You1,2,a, Feng Qing-Ge1,b
1College of Environmental Studies, Guangxi University, Guangxi, Nanning, 530004, China
2Institute of Applied Chemistry, Kaili University, Guizhou, Kaili, 556011, China
alsy651204@163.com, bfengqg@gxu.edu.cn
Keywords: Uranium doped; TiO2; Solid state reaction; Quinoline; Visible light degradation
Abstract.
The lattice parameters of U-TiO2 samples decrease accordingly along the c-axis with the increase of uranium amount, indicating that uranium may enter into the lattice of TiO2 crystal structure.
The textural structure examination of the typical sample U-TiO2 (U/Ti=3:20) observed from the SEM photograph (Fig.2) shows the size of the U-TiO2 (U/Ti=3:20) nanoparticle is about 100 nm.
The lattice parameters of U-TiO2 samples decrease accordingly along the c-axis with the increase of uranium amount, indicating that uranium may enter into the lattice of TiO2 crystal structure.
The textural structure examination of the typical sample U-TiO2 (U/Ti=3:20) observed from the SEM photograph (Fig.2) shows the size of the U-TiO2 (U/Ti=3:20) nanoparticle is about 100 nm.
Online since: December 2010
Authors: Ruslan Valiev
In the years passed since the first conference held in 1999 [1] the subject has expanded from isolated pioneering publications to one of the most actively developing trends in materials science and related disciplines such as materials processing technology, solid state physics and chemistry.
It also demonstrated the importance of processing routes defining for the formation of UFG structures and materials properties [4].
There were many discussions held on tunable atomic structuring and properties that can be observed in nanoglasses (Prof.
It also demonstrated the importance of processing routes defining for the formation of UFG structures and materials properties [4].
There were many discussions held on tunable atomic structuring and properties that can be observed in nanoglasses (Prof.
Electro-Generation of 2, 3, 5, 6-TCP in Zn, Ni,P-mSA/mCS Bipolar Membrane Equipped Electrolysis Cell
Online since: July 2011
Authors: Hong Fang Xie, Yan Chun Xiao, Shao Bin Li, Chen Zhen
Electro-generation of 2, 3, 5, 6-TCP in Zn, Ni,P-mSA/mCS Bipolar Membrane Equipped Electrolysis Cell
Hongfang Xie1a, Yanchun Xiao1b, Shaobin Li1c, Zhen Chen1,2d
1Chemistry Department of Fujian Ningde Teachers College, Ningde 352100, China
2College of Chemistry and Materials Science, Fujian Normal University, Fuzhou 350007, China
axiehongfang66@163.com,bXiaoyanchun312@126.com,cbin806@sina.com,dzc1224@pub1.fz.fj.cn
Keyword: Bipolar Membrane; phosphorylation; electroless plating; electro-generation
Abstract: P-ferrocene-SA/acetylferrocene-CS Bipolar Membrane (BPM) was prepared with phosphorylated agent as the cation exchange layer, and chitosan (CS) modified with acetylferrocene as the anion exchange layer.
The outer electronic structure of zinc atom was 3d104s2, and that of nickel atom was 3d134s2.
The two-layer structure of the P-mSA/mCS BPM was evident in the micrographs.
The outer electronic structure of zinc atom was 3d104s2, and that of nickel atom was 3d134s2.
The two-layer structure of the P-mSA/mCS BPM was evident in the micrographs.
Online since: September 2011
Authors: Xin Zhou, Xue Wu
Structure of receptor 1, 2 and amino acids
Results and Discussion
To demonstrate the selective recognition of amino acid, we targeted 16 kinds of L-amino acids as analytes representing every mode of polarity, charge, basicity, and acidity amino acids.
Moreover, it should be noted that receptor 1 showed no response to citrulline, although it has the similar molecular length and structure to Arg.
Inorganic Chemistry Communications, 2009, 12, 815-818; (b) Wong, W.
Moreover, it should be noted that receptor 1 showed no response to citrulline, although it has the similar molecular length and structure to Arg.
Inorganic Chemistry Communications, 2009, 12, 815-818; (b) Wong, W.