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Adsorption of Methyl Orange from Solution by IOCZ in Batch Mode: Equilibrium Study Shaohua Chena, Yubin Jiaob, Xiaona Zhangc, Yinyin Sud and Runping Hane* School of Chemistry and Molecular Engineering, Zhengzhou University, Kexue Road 100, Zhengzhou, 450001, PR China aemail: yueziqiu@163.com, bemail: Jiaohj@zzu.edu.cn, cemail: 854975880@qq.com, demail: suyinyin2010@126.com, eemail: rphan67@zzu.edu.cn Keywords: Iron-Oxide-Coated- Zeolite; Adsorption; Methyl Orange; Abstract.
Dyes usually have a synthetic origin and complex aromatic molecular structures which make them more stable and more difficult to biodegrade.

Micro flow devices are more and more widely used in biomedicine, analysis system and chemistry.
The structure of the microchannel represents the flat collision surface in the pump, such as the pump body and pump case.

Synthesis, Photochromic Properties of a Novel Unsymmetrical Hybrid Diarylethene Material with Benzene Unit Hongjing Jia, Jingjing Liu and Shouzhi Pu * Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University, Nanchang 330013, P.
The structure of compound 1o was characterized by 1H NMR spectroscopy.

Graphene oxide-reinforced hollow fiber solid-phase microextraction coupled with HPLC for the determination of parabens in beer Ting GAO 1, a, NengSheng YE 1, b 1 Department of Chemistry, Capital Normal University, Beijing, 100048, P.
It can be seen clearly that GO showed thin, wrinkled and layered structures and HF was porous and hollow.

The structure of the Al2O3-CaO-SiO2-CaF2-MgO slag was checked by X-ray diffraction (XRD) using a D/Max-rB diffractometer with Cu Kα radiation, and the scattering angle (2q) range was 5-100℃ (b) (a) （ａ）5％MgO　　（ｂ）7％MgO Fig.2 XRD patterns of Al2O3-CaO-SiO2-CaF2-MgO slag Fig. 2 shows the XRD patterns of Al2O3-CaO-SiO2-CaF2-MgO slag.
[6] X.M.Chen:The Dominated the Metallurgical Process Physical Chemistry(Metallurgical Industry Press,Beijing:1994) [7]J.X.Chen: Chart Data Commonly Used Manual Steelmaking (Metallurgical Industry Press,Beijing1984)

The dense net structure blocked the contacting of the reactants, and hindered the release of chlorine dioxide either.
Chemistry, 2003, 66(9): 598-605.

It is very important to research the thermal damage and failure of vulcanized rubber for the efficiency and durability of rubber-like structures [2].
Medalia.Rubber Chemistry and Technology ,(1991) ,64(3) :481-491

Dvorkin, Finite element analysis of steel rolling processes, Computers and Structures 79(2001)2075-2089
BeiJing: Chemistry industry press, 2000.

Synthesis and Property of a New Photochromic Diarylethene Bearing both an Isoxazole Unit and a Methoxy Group Hongliang Liu, Shouzhi Pu*, Shiqiang Cui, Weijun Liu Jiangxi Key Laboratory of Organic Chemistry, Jiangxi Science and Technology Normal University Nanchang 330013, P.R.China pushouzhi@tsinghua.org.cn Keywords: Diarylethene, Isoxazole, Photochromism, Fluorescence, Optical storage recording.
The structure of 1o was characterized by 1H NMR spectroscopy. 1H NMR (400 MHz, CDCl3): δ 2.04 (d, 6H, J = 8.0 Hz, -CH3), 2.22 (s, 3H, -CH3), 3.92 (s, 3H, -OCH3), 6.99 (s, 1H, thiophene-H), 7.26-7.31 (m, 2H, benzene-H), 7.39 (s, 1H, benzene-H), 7.55-7.57 (m, 2H, benzene-H).

Preparation of Strontium-Barium Hydroxyapatite by Coprecipitation He-Bin Shi 1,2,a, Xing Tian2,b, Hong Zhong1,c, Yu Liu3,d and Ting Wan2,e 1College of Chemistry and Chemical Engineering, Central South University, Changsha 410081, China; 2School of Materials Science and Engineering, Wuhan Institute of Technology, Wuhan 430073, China; 3 Zijin Mining Institute，Fuzhou University，Fuzhou 350108，China ahbshi1010@163.com, b499586240@qq.com, c zhongh@mail.csu.edu.cn; d liuyu@fzu.edu.cn; e476997627@ qq.com Key words: strontium-barium hydroxyapatite, coprecipitation, effect of pH Abstract.
Fig.3 The crystal cell parameter of Sr5-xBax(PO4)3OH as a function of Ba content Fig.4 FTIR spectra of Sr-Ba hydroxyapatite Fig.5 SEM graphs of SrHA (a) and BaHA (b) There are two nonequivalent sites in the crystal structure of hydroxyapatite for Sr2+ and Ba2+.