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Sulphur is an element with a complex inorganic chemistry.
Our results suggest that, under aerobic conditions, the chemical structure of sulphur obtained from biological tetrathionate hydrolysis may be different from elemental sulphur used in M88+S medium.

ZnO is interesting material because it has stable wurzite structure, high transmittance for visible light and potential applications.
Vaidyan, Materials Chemistry and Physics 58 (1999) 71

Thermal and Mechanical Properties of Boron-containing Bisphenal-A Formaldehyde Resin composites Jungang Gaoa, Xing Lib and Bei-bei Sunc College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China agaojg@hbu,edu,cn , blx860824@163.com , csunbeibei-1986@163.com * Correspondence to: Jungang Gao; e-mail address: gaojg@hbu.edu.cn Keywords: Boron-containing bisphenal-A formaldehyde resin; Silsesquioxane; composites Abstract: Boron-containing bisphenol-A formaldehyde resin (BBAFR) with different amounts of boron was synthesized from bisphenol-A, formaldehyde solution and boric acid.
This was shown the hexatomic ring structure containing B←O coordination bond had formed at higher temperatures and the coordinated oxygen was offered by phenol hydroxyl because most methylol groups had been reacted before this temperature [3,5,6].

Soil Environmental Quality Assessment on an Abandoned Industrial Land Jing Liu1, a, Shiguo Liao2, Bin Xiang1, b, Shengtao Zhang1 1College of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044, China 2Chongqing Solid Waste Management Center, Chongqing, 400020, China aliujingchengdu@163.com, bxiangbin@cqu.edu.cn Keywords: soil assessment, soil pollution, heavy metal, land planning.
In recent years, with the rapid development of economic and the industrial structure adjustment, some enterprises which will cause environmental pollution have moved out of the center area of the city successively.

., 400641 Cluj-Napoca, Romania Physics and Chemistry Department2, Technical University of Cluj-Napoca, 103-105 Muncii Ave., 400641 Cluj-Napoca, Romania aeleonora.voica@stm.utcluj.ro, bpetru.pascuta@phys.utcluj.ro, cflorin.popa@stm.utcluj.ro, dionel.chicinas@stm.utcluj.ro* Keywords: Al2O3/Ni composite powder, mechanical milling, milling time, homogeneity, X-ray diffraction Abstract.
The mean crystallite grain size is decreasing up to nanometric range, indicating that the obtained composite has nanocrystalline structure.

Electrical Conducting Properties of Unsaturated Polyester / Graphite Nanosheet Composite under Electric Field1 Hongyan Zhang, Haiquan Wang, Lintong Wang and Yimin Feng Chemistry and Chemical Engineering College Weifang University, Weifang, Shandong Province, China island_maritime@hotmail.com Keywords: conducting composite; graphite nanosheets; orientation; percolation threhold.
Results and Discussion Structure of the composite Fig.1 Scanning electron microscopy image of a fracture surface from a cured unsaturated polyester resint/ GN composite containing 0.3wt% GN SEM was employed to examine the morphology of the unsaturated resin/GN composites.

Introduction Natural zeolites usually contain high cation-exchange and molecular sieve capacity by unique structures theroy [1].
Environmental Chemistry, 2003, 22(2): 166- 171

A detail of the remainder of the shell of the palm oil fruit is shown in Fig. 1 - where the cut structure of this shell (left) and the fibrous character of the surface (right) are visible.
Procedia Chemistry, Vol. 19 (2016), pp. 327–334

Chęcmanowski1,e, Włodzimierz Tylus1,f and Bogdan Szczygieł1,g 1Surface Engineering, Catalysis and Corrosion Division, Faculty of Chemistry, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland 2Department of Structural Studies, Center of Molecular and Macromolecular Studies, Polish Academy of Sciences, ul.
Introduction The past decades have witnessed a growing interest in the use of the sol-gel process for the preparation of oxide coatings in order to protect stainless steel structure against electrochemical corrosion.

Introduction TiC, with cubic crystal structure of NaCl type, has been widely used in many fields, such as aerospace materials, cutting tools materials, wear-proof refractory materials, because of its outstanding properties, including high melting point(3067oC), high elastic modulus(410-450GPa), high electrical conductivity(30×106S/cm) and thermal conductivity, high Vickers hardness(29-34GPa) and good compatibility with other carbides[1-3].
Acknowledgments This study was financially supported by the National Natural Science Foundation of China (Nos. 51362011 and 51362012) and the Chemistry Discipline Master’s Site Construction Open Foundation of Honghe University of Yunnan Province(No.