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Online since: December 2011
Authors: Jian Jun Yang, Jian Guo Li, Yang Fan Zhou, Guang Hua Wen, Cui Xia Li
The microscopic scanning structure of green cross-linked movable gel.
Fig.4 (a) shows that the hydrophobic associating polymer forms weak space reticulated structure because of the association between molecular chains.
The green cross-linked movable gel has a strong three-dimension network structure.
Applied Chemistry of Oil-gas Field [M].
Oilfield Chemistry, 2000, 12(3):56~58
Online since: February 2015
Authors: S. Ravichandran, Selvi C. Senthamil, C.P. Malliga, C. Thenmozhi, V. Kannappan
The addition of hexane with a mixture leads to a compact structure due to presence of dipolar type interaction.
In the basic sciences, ultrasonic waves have acquired the status of an important probe for the study of structure and properties of matter.
K.; Techniques of chemistry, Wiley: New York, 1986; Vol. 2, pp 74, 434, 990
[5] Vogel A I, A Textbook of practical Organic Chemistry, 5th Edn(John Wiley, New York) 1989
[6] Weissberger A, Prokaher f S, Reddick J A & Toops E E, Techniques of Organic Chemistry, Vol VII,Organic Solvents, Interscience, New York,1955
Online since: June 2014
Authors: Yan Shi, Xi You Li
Morphology and Conductivity of Self-Assembled Pyrene-Perylenetetracarboxylic diimide Dyad Yan Shi , Xiyou Li,a Key Laboratory of Colloid and Interface Chemistry, Ministry of Education, Department of Chemistry, Shandong University, Jinan, 250100, China axiyouli@sdu.edu.cn Keywords: Perylenetetracarboxy diimides, Self-assembly, Morphology, Conductivity Abstract.
The results revealed highly ordered structure for these molecular self-assembly.
Fig. 1 The molecular structure of PDI 1 Results and Discussion Electronic Absorption and Fluorescence Spectra.
The internal structure of self-assembled nanostructures of this compound was investigated by XRD analysis.
Summary Aggregates of PDI 1with ordered nanobelt structure was controllably prepared by QLS method.
Online since: January 2013
Authors: Peter J. Wellmann, Margareta K. Linnarsson, Rositza Yakimova, Mikael Syväjärvi, Michl Kaiser, Yi Yu Ou, Valdas Jokubavicius, Hai Yan Ou
Fabrication of broadband antireflective sub-wavelength structures on fluorescent SiC Y.
The surface reflectance, measured from the opposite direction of light emission, over a broad bandwidth range is significantly suppressed from 20.5% to 1.0 % after introducing the sub-wavelength structures.
In this work, we fabricated antireflective sub-wavelength structures (ARS) on fluorescent 6H-SiC and obtained broadband surface antireflection as well as omnidirectional light enhancement.
Summary Fabrication of antireflective sub-wavelength structures on fluorescent 6H-SiC by using reactive-ion etching is demonstrated.
The use of surface nanocones structures on fluorescent 6H-SiC eliminate the Fabry-Pérot microcavity interference effect.
Online since: April 2009
Authors: Rui Weng, Lian Meng Zhang, Chong Hui Wang, Shui Ping Wang
The structure and properties of OSPOSAA are also investigated by many methods such as Fourier Transform Infrared (FTIR), Nuclear magnetic resonance (NMR), Thermogravimetric analysis (TGA), differential thermal analysis (DTA), dissolvability test and Mastersizer analysis.
ATS was from Yingcheng Debang Chemistry Limited Company, Hubei.
Toluene and dimethyl sulfoxide were provided by Tianjin Chemistry Company and Shanghai Chemistry Company respectively.
Online since: May 2012
Authors: Yan Ping Zong, Xian Hua Liu, Yi Ren Lu, Xi Wen Du, Xiao Xuan Shi
Experimental section Chemicals and Regents Titania dioxide(99.8% anatase, average diameter 40nm) was obtained from aladdin chemistry Co.
Ltd, China. 2,4,5–TCP(99%) was purchased from Shanghai chemistry company.
Hydrogen peroxide (30% solution) was obtained from Tianjin northern hospital chemistry company.
Through analyzing the abundance of MS charts, the molecular structure of 2,4,5-TCP and molecular weight, the most likely intermediates such as (1,4-dichloro-Naphthalene), (phthalic acid, isobutyl octadecyl ester), (1,2–Benzenedicarboxylic acid, bis(2-methylpropyl) ester), (1,2-Benzenedicarboxylic acid, mono(2-ethylhexy) ester), etc. are speculated.
Online since: May 2021
Authors: Anastasia Jajah, Mahshuri Yusof
The morphological structure of each film also varied from one another.
The morphological structure of the films was determined with SEM.
Indonesian Journal of Chemistry, 18(2), 367-375
Journal of Chemistry, 2018
Journal of agricultural and food chemistry, 55(4), 1188-1192
Online since: December 2011
Authors: Zhao Mei Wang, Kai Jun Xiao, Jian Yong Wu
The Disassociation of Cordyceps Exopolysaccharide in Aqueous Solution Induced by Ultrasound Zhao-mei Wang1,2,3,a, Kai-jun Xiao1,b and Jian-yong Wu3,c 1 College of Light Industry and Food Science, South China University of Technology, Guangzhou 510640, China 2 Key Laboratory of Cellulose and Lignocellulosics Chemistry, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Guangzhou 510650, China 3.
Most structure characterization was frustrated with a result of poor solubility and thus a low resolution in instrumental analysis.
In this study, US at moderate intensity was applied to disassociate PS and the effect of US on the higher structure of PS was investigated.
Cambridge, UK: The Royal Society of Chemistry [6] Q.
Wu: Food Chemistry, Vol. 117(2009), p. 641 [10] A.
Online since: March 2019
Authors: Battseveen Buyankhishig, Nyamsuren Byambasuren, Enkhtuul Surenjav, Narandalai Byamba-Ochir
Silver particles were connected each other creating a chain-like structure as it can be seen from the SEM images.
There are relatively sharp peaks of silver crystals with cubic structure.
Melcer, Removal of aromatic pollutant surrogate from water by recyclable magnetite-activated nanocomposite: An experiment for general chemistry.
Chemistry.Physics1 (2018) 1-9
Sangaa, A Study of Nanoparticle Sizes and Their Distribution along a Main Road in Ulaanbaatar City, Physical Chemistry 7(3) (2017) 70-74
Online since: March 2013
Authors: Arumugam Ranjitha, Rangasamy Balasundaraprabhu, Santhanam Agilan, Chinna Kannaiyan Senthil Kumaran, Dhayalan Velauthapillai Dhayalan Velauthapillai, Natarajan Muthukumarasamy, Thottipalayam Subramaniyan Senthil, Mariyappan Thambidurai
As we know, metal dendrite like structure is one type of attractive supramolecular structure and it can provide a natural frame work for the study of disordered systems [12].
The synthesized particles are found to have dendrite like structures.
The image confirms the formation of dendrite structure.
When the reaction rate increases with the time then it form a dendrite like structure.
[12] Yujie Xiong, Yi Xie, Guoan Du, Xiaobo Tian, Yitai Qian, “A Novel in Situ Oxidization–Sulfidation Growth Route via self-Purification Process to β-In2S3 Dendrites” Journal of Solid State Chemistry 166 (2002) 336-340.