Search results

The void hinder the contact between C-S-H gel and fiber, meanwhile due to low ion level in ITZ, the C-S-H gel decrease and ITZ become a loose net structure[10].
In: Proceeding of 7th International Congress on the Chemistry of Cement.

Synthesis and Characterization of Photochromic 1-(3,5-dimethyl-4-isoxazolyl)-2-[2-methyl-5-(3-methylphenyl)-3-thienyl] perfluorocyclopentene Hui Li, Shouzhi Pu* and Shiqiang Cui Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, P.
The structures of diarylethene 1o were confirmed by melting point, NMR and IR.

Preparation of SDC Interlayer and Influence on Performances of Anode Supported Solid Oxide Fuel Cells Weitao Bao 1, Jianfeng Gao 2 and Guangyao Meng2 1 Department of Chemistry and Materials Engineering, Hefei University, Hefei 230022, China 2 Department of materials science and Engineering, University of Science and Technology of China, Hefei 230026, China Keywords: Solid oxide fuel cells; YSZ; SDC interlayer; dense electrolyte film Abstract.
The phase identification indicates the sample is a solution with a cubic structure.

Fig.1 Block diagram of monitoring system Fig.2 Structure of sensor 1 working electrode 2, 6 Membrane by gas through 3 Electrolyte 4 corresponding electrode 5 reference electrode System constitution and monitoring process.
[6] Xiujuan Lu: Studies and Manufactures of Electrolytic Gas Sensors in Semi-solid and Solid State Using Control Electric Potential , Chinese Academy of Science Changchun Institute of Applied Chemistry (1998),p. 2－8. in Chinese.

In the WC rich region, metal serves as matrix phase and displays typical network structure with dispersed WC particles.
Fabrication of ZrO2/NiCr functionally graded material by powder metallurgy Materials Chemistry and Physics, Volume 68, Issues 1-3, 15 February 2001, Pages 130-135

The polymers made with the RAFT method have more definite molecular structure and more stable performance in comparison with those made with other methods.
[2] Ge Z S, Chen D Y, Zhang J Y，et al. : Journal of Polymer Science: Part A: Polymer Chemistry, .

Advances in Graphene-based Fluorescent Sensors for Heavy Metals Lingling Luo1, a，Min Zhou1, b，Jingyi Yang2，c，Shunxian Zhong1, d， Jianrong Chen 2 e* 1College of chemistry and life sciences, Zhejiang normal university, Jinhua, China 2College of geography and environmental sciences, Zhejiang normal university, Jinhua, China a334668199@qq.com, bzhoumin836645788@qq.com, cyjywayward@sina.com dshuxian@zjnu.cn, ecjr@zjnu.cn Keywords: graphene; heavy metals; fluorescent; sensors Abstract.
As a monolayer of carbon atoms packed into honeycomb and one-atom-thick crystal structure, graphene has attracted increasing attention in many aspects.[6-8] Particularly, graphene shows great promise for potential applications in fluorescence detection in recent years, due to its ability of quenching fluorescence and characteristic of photoluminescence arising from electron-hole pairs localized within small sp2 carbon clusters embedded in a sp3 matrix.[9-15] In this article, we will selectively review recent advances of graphene-based fluorescent sensors for heavy metal ions.

In these cases, the bentonite clays cannot be used without a previous organic treatment in order to become hydrophobic, since they are naturally hydrophilic[4], and are obtained by the addition, in aqueous media, of a quaternary ammonium salt which substitutes the ion Na+ in the structure of the mineral clay[5] For specific applications, the clays which were only organofilizated do not result in a quality raw matter, due to several factors, as follows.
[5] VAN OLPHEN, H., An introduction to clay colloid chemistry, Krieger Publishing Company, Second Edition, Malabar, Florida, 1991

Reaction Kinetics and Optical Storage Characters of a New Diarylethene Materials with Composite Properties Shiqiang Cuia, Yanhua Yanga and Shouzhi Pu*,a College of Chemistry and Chemical Engineering, Jiangxi Science and Technology Normal University, Nanchang 330013, P.
The structure of compound 1a was confirmed by 1H NMR (400 MHz, CDCl3, TMS): δ 1.92 (s, 3H, -CH3), 1.94 (s, 3H, -CH3), 7.28 (t, 4H, J = 6.8 Hz, benzene-H), 7.36 (t, 2H, J = 7.6 Hz, thiophene-H), 7.45 (d, 1H, J = 5.6 Hz, benzene-H), 7.53 (d, 4H, J = 7.2 Hz, benzene-H), 10.48 (s, 1H, -CHO).

Urban sewage treatment is generally divided into three steps: The first step, remove insoluble contaminants and parasite eggs in wastewater by physical treatment; The second step: Degraded complex organic compounds into simpler substances using biological treatment sewage; The third step, remove phosphorus, nitrogen, biodegradable organics, inorganic salts in wastewater by chemical precipitation, biochemistry, physical chemistry, etc.
First, set up the first level and second level indicators established indicators matrices of order n, then complete the assigned matrix by an assessment of its relevance, and finally draw the appropriate conclusions by mathematical deduction data matrix of order n(as shown in fig1 Hierarchical structure figure).