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The FESEM micrograph in Fig. 3 shows the morphological structure of the photocatalysts.
Diane, The sulfur problem, cleaning up industrial feedstock, Royal Society of Chemistry, Cambridge, United Kingdom (2000) 2-14
Arpac, Journal of Photochemistry and Photobiology A Chemistry 203 (2009) 64-71

Li et. al. [20] reported hexagonal phase of BaM is changed with the Co doping element substituted into the structure related to the occupation of the crystallographic sites of the crystal lattice.
Buchel (1989), Industrial Inorganic Chemistry, V.C.H.
Jefferson (2007), Materials Chemistry and Physics, 101(1), 158

Synthesize of Carboxymethyl Chitosan-graft-polycaprolactone (CMCS-g-PCL) and the Preparation of Micelles Meng-ru ZHANG1, a, Heng XU2, b and Mei-dong LANG3,c 1Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China 2Anhui Collaborative Innovation Center for Petrochemical New Materials，School of Chemistry and Chemical Engineering, Anqing Normal University, Anqing 246011, China  3Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China aemail:mrzhang666@163.com, bemail:xuheng312@163.com,c email:mdlang@ecust.edu.cn Keywords: Carboxymethyl chitosan, PCL, Graft polymer, Micelle.
Results and Discussion The chemical structures of graft copolymers were verified by 1H NMR spectra.
Dong, Preparation and characterization of chitosan-graft-poly (ϵ-caprolactone) with an organic catalyst, Journal of Polymer Science Part A: Polymer Chemistry. 44(2006) 5353-5361

Synthesis and Adsorption of Molecularly Imprinted Polymers of Dibutyl Phthalate in Food Junfeng Zhu*a, Guanghua Zhangb, Ting Shangc, Wei Xiong d （Key Laboratory of Additives of Chemistry & Technology for Chemical Industry, Ministry of Education; College of Chemistry and Chemical Engineering, Shaanxi University of Science & Technology, Xi'an 710021, China） azjfeng123123@163.com, bzhanggh@sust.edu.cn, c179421652 @qq.com, d 313492430 @qq.com Keywords：dibutyl phthalate，molecular imprinted polymers，adsorption，template Abstract.
It might because the hole-like mesh structure of the imprinted membrane on the surface of silica polymerization increased the specific surface area.

The corrosion resistant cement system for oil and gas wells Huan Yang1,2,a, Dajun Chen1,b，Hua Zhao3,c 1 Department of Chemistry and Chemical Engineering, Southwest petroleum university, Chengdu Sichuan China, 610500 2 Department of Chemistry and Environmental Engineering, Yangtze University, Jingzhou Hubei China, 434023 3No. 4 Oil Production Plant of Changqing Oilfield Company PetroChina Yinchuan Ningxia China,750006 a yanghuan_2119@yahoo.com.cn b dajunchen_swpu@126.com c zhua1_cq@petrochina.com.cn Keywords: cement system; corrosion resistant; mechanism of corrosion; additive Abstract.
Cement structure changed and the strength of cement was lost significantly.

The experimental research on the effect of mounts of stone power and the different curing methods on the shrinkage of concrete were implemented. 2 Experimental research 2.1 The raw material and mix proportion The performance and the chemistry component of the cement used for the experiment are listed in Table 1 and Table 2.
Table 1 Performance of the cement used for experiment Water requirement of normal consistency (%) Congealing time (min) Compressive strength (MPa) Initial set Final set 3 days 28 days 28 145 187 25.4 53.1 Table 2 Chemistry component of the cement used for experiment CaO SiO2 Al2O3 Fe2O3 R2O MgO SO3 57.4 20.3 5.2 3.3 0.58 1.9 4.24 The different mix proportions of concrete, testing the dry shrinkage of small blocks, are listed in Table 3.
Considering above reasons, if the concrete blocks after 28 day’s curing are applied to the practical engineering, the shrinkage will continue to be generated during the construction of structures.

At the interfaces between the oxide layers there is a change of chemistry and structure between the different regions[1].
“Evolution of Surface Chemistry and Morphology of Oxide Scale Formed during Initial Stage Oxidation of Modified 9Cr–1Mo Steel.”

This is mainly because finer structure formed in niobium alloyed ductile iron reduced the dislocation movement, but do not completely prevent it which keeps the material ductile as there are presence of ferrite structure, which resulted in much tougher material.
Addition of Niobium at 0.5 wt% had promoted finer lamellar pearlite and ferrite structure, and finer structures were formed when 2wt% niobium were added in alloyed ductile iron samples.
Finer structures are favorable as it reduces the movement of dislocations, thus forming stronger and tougher material.
Effect of austempering heat treatment on fracture toughness of copper alloyed gray iron. .Materials Chemistry and Physics, 63 (2000) 75–81
Influence of matrix structure on the fatigue properties of an alloyed ductile iron.

The detailed characterization confirmed that LaMnO3 perovskite had a single-phase orthorhombic structure with estimated crystallite size of 44 nm.
As can be depicted, no hyperfine structure was observed in our ESR spectrum, suggesting that both Mn2+ and Mn3+ are present in the sample.
Chand, The chemistry of ultrasonic degradation of organic compounds, Current Organic Chemistry, vol. 15, p. 168–177, 2011

Vilatela Journal of Materials Chemistry A, vol. 2, p. 3881, Feb. 2014
Bond Journal of Intelligent Material Systems and Structures, vol. 25, no. 1, pp. 87-97, 2013
Takeda Smart Materials and Structures, vol. 23, no. 11, p. 115014, 2014
Huston Smart Materials and Structures, vol. 20, no. 2, p. 025010, 2011
Pope Smart Materials and Structures, vol. 25, no. 5, p. 055028, 2016.[19] A.