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Introduction The kinetic of phase transformation, such as crystallization, is important in physics, chemistry, ceramic and material science.
As a same way the binary IV-VI compounds, those with cubic rocksalt structure (i.e.
PbS, PbSe, PbTe, SnTe) have been extensively studied, whereas the layer compounds with a distorted rocksalt structure of the orthorhombic space group D2h16 namely GeS, GeSe, SnS and SnSe have received increasing attention.

High Active Cu/SiO2 Catalyst Prepared by Hydrolysis-Polymerization Method for 2-Butanol Dehydrogenation Yunfeng Hu 1,a, Jun Cai 2,b, Guangshen Jiang 2,c , Fengping Ye3,d , Zhongyu Wei 4,e and Jun Deng5,f,* 1 Department of Chemistry and Chemical Engineering, Northeast Petroleum University, Daqing 163318, P R China. 2 Xinjiang Petroleum Exploration Design & ResearchInstitute, Xinjiang Karamay 834000, P R China 3 Daqing Institute of Product Quality Supervision & Testing, Daqing 163453, P R China 4 Inner Mongolia Datang International Keshiketengqi Coal Gas Co., Inner Mongolia, 025350, P R China 5Daqing Institute of Applied Technology,Daqing 163316, P R China ahuyfdqlh@yahoo.com.cn, bcaijun08@126.com, cJiangguangshen2009@126.com, dyfping@126.com, ecsgdq@126.com, edawei243212329@126.com,fdjun74@163.com * Corresponding author Keywords: Cu/SiO2 catalyst; dehydrogenation; 2-butanol; methyl ethyl ketone Abstract.
In contrast, the peak around 1027 cm-1 only mildly decreased, suggesting that the structure of copper hydrosilicate was mainly reserved after calcinations at 773 K.
However, it is hard to see copper phyllosilicate or chrysocolla by examination of XRD patterns, which may due to the amorphous structure of them.

Different projection directions reflect different data structure characteristics, the best projection direction is the biggest may expose in the projection direction of a kind of characteristic structure high and link the data.
Computational Biology and Chemistry, Vol. 27(2003): 339-353

High alkalinity can affect the functioning of the enzyme and this can annihilate structure and permeability properties of cell [5].
Structure and cell walls are weaken and malfunctioned, and eventually damaged [8].
B., 2004, “Synthesis and Antifungal Action of New Tricyclazole Analogues,” Agricultural and Food Chemistry, Vol. 52 (7), pp. 2003–2009

Introduction Reinforced plastics are heterophase composite materials, the set of properties of which is determined by the properties of the components - a polymer matrix and a reinforcing filler, their micro- and macrostructure, phase boundary, and the reaction of these structures to external influences.
Obviously, such a difference in the porosity of the studied composite materials is associated with both the structure of the polymers and the nature of the fillers.
Khakulova et al., Development of composite material based on polyphenylene sulfone for 3D-printing, Fibre Chemistry, 50 (2018) 373-377

Optimized Conjugative Bridge and its Length in Novel Chromophores for Electro-Optical Applications Xianmin Zhang1, a, Han Bao1, Gaowu Qin1 and Shiyoshi Yokoyama2 1Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), Northeastern University, Shenyang 110819, China 2Institute for Materials Chemistry and Engineering, Kyushu University, Fukuoka 816-8580, Japan azhangxm@atm.neu.edu.cn.
In general, the chromophores are of donor-π-acceptor structure.
Fig. 1 Molecular structure of group A (A1-A3) and group B (B1–B3) The solvatochromic effect is indicative of the β value of the chromophores [13, 14].

Diluted fluoride organic electrolyte, like EG approach has so far been successful in allowing the transformation from nanoporous structure to nanotubular ZrO2 [3, 7].
From the cross-sectional images, fibrous structure is seen on all samples which indicate the success of ZNTs formation.
Bashirom, et al., Effect of fluoride or chloride ions on the morphology of ZrO2 thin film grown in ethylene glycol electrolyte by anodization, Procedia Chemistry. 19 (2016) 611-618

Regardless of the variety of names that are available in literature, all these terms describe materials which are synthesized using the same chemistry and are produced by the alumino-silicate based source materials in a highly alkaline solution.
Ferreira et.al [9] observed that MK replacement at 20% or less improves the compressive strength, durability performance and pore structure of concrete.
In Fig. 4, it is shown that metakaolin has amorphous particles which are more likely palate structures.

The difference between the activity of β- and γ- tocopherol is small, which may be explained by their similarity of structure.
The lower activity of d-tocopherol and gallic acid may be responsible for their structure, resulting in deactivation of the hydrogen donating ability of this phenolic hydroxyl group, thus lowing the antioxidant active.The antioxidative activity of hydrophilic gallic acid was unexpected to be less effective than tocopherols in this investigation.
Nawar, in:Lipids, edited by Fennema, Food chemistry.

The components in lignocellulosic biomass such as lignin, cellulose and hemiscellulose are assembled in a complex three-dimensional structure which lead to resistant against chemicals and microbial attack that makes it very difficult to hydrolyze.
It can be inferred that temperature at 100 oC favors cracking of the cell structure of empty fruit bunch (EFB) by dissolving more lignin and carbohydrates.
Steiner, The Weak Hydrogen Bond in Structural Chemistry and Biology, Oxford University Press Inc., New York, 1999