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Discovery of bioactive ingredients from plants and fungi is always the hot spots in medicinal chemistry.
Results and Discussion Chemistry.The TAB semi-synthetic derivatives (2, 3) were prepared with aim for obtaining better anti-gastric cancer agents.
These results encouraged us to further investigate the structure-activity relationship of TAB semi-synthetic derivatives.

Determination of PAHs in river water using bamboo charcoal as a solid-phase extraction adsorbent by Synchronous Fluorescence Spectrometry Lifang Hea, Xiahong Zhangb and Ruping Zhangc 1 Department of Chemistry and Material Engineering, Longyan University, Longyan,Fujian,364000,China a helefeng@163.com, b lw-ly@126.com, c zhangruping@163.com Keywords: bamboo charcoal; solid phase extraction (SPE); Polycyclic Aromatic Hydrocarbons (PAHs); constant wavelength synchronous fluorescence (CWSL) spectrometry; Water.
PAHs exist in various water with low content and more kinds, so a fast and accurate analysis method for PAHs in qualitative and quantitative is always the frontier field in Analytical chemistry.
Bamboo charcoal was aroused wide concern for its special porous structure and biological properties in recent years.
Because of low price, larger specific surface area and special porous structure, it has advantage in solid phase extraction material for concentration trace substance in environment[15, 16].
[6] Yuan Xu, Wenmin Liu and Jinhong Zhao, et al: Chinese Journal of Analytical Chemistry Vol. 33 (2005), p. 1401-1404. in Chinese

The highest hydrophilisation is observed after some H2 containing plasmas, such as N2/H2 chemistries in Ch 2 or NH3 based plasmas in Ch 3.
Both small (1070 cm-1) and large angle (1134 cm-1, caged structure) stretch band peaks are present.
The intensity of the peak for the Si-CH3 structure at 1134 cm-1 also decreased after plasma treatments.
Decrease of Si-CH3 bonds after CF4/O2 plasma was relatively small in comparison with N2/H2 based reducing chemistries.
Degree of plasma damage (hydrophilisation) depends on chemistry, pressure, ion energy and temperature. 2.

The structures of them were shown in Scheme 1.
Scheme 1 Structures of dye 1 and 2 Cyanine sensitizing nano-TiO2 film method and materials Two-membrane-pieces method.
B2011203231) and Hebei Key Laboratory of Applied Chemistry (in Yanshan University) for providing the financial support for this project.
Winter: Chemistry Vol. 18 (2012), p. 10733 [2] Z.Y.
Fu: Chinese Journal of Organic Chemistry Vol. 31(2011), p. 415 [3] Y.

Meso-Macro Scale Behavior Analysis of Polymeric Systems under their Melting States Yinghao Yu1a, * Mamtimin Geni1b , Zhongyuan Lu2c and Wei Jiang3d 1 School of Mechanical Engineering, Xinjiang University, Urumqi 830008, China. 2 State Key Laboratory of Computational and Theoretical Chemistry, Jilin University, Changchun 130023, China 3 State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China *Corresponding Author: Mamtimin Geni a yufuhua0@163.com, bmgheni@263.net Keywords: Meso-scale Analysis, DPD, Macro-scale Analysis, FEM, Discrete Particles Abstract: In this study, the meso-scale analysis are conducted by using the Disperse Particle Dynamics(DPD) analysis, and the constitutive equation model between viscosity and shear velocity are obtained by using different constrained mutual sufficient area.
Introduction One of the most important areas in modern polymer research is to understand and quantitatively predict the structures and properties in the final materials and processing applications starting from the melting to condensed and to solid state, and moreover, the state function appear strong non-linearity and also show equilibrium and non-equilibrium physical and phase structures.

Introduction Computational chemistry which including the calculation of structures and properties of molecules and solids is a branch of chemistry that uses computers to assist in solving chemical problems.
Molecular dynamics (MD) is a major computational chemistry method to simulate physical movements by atoms and molecules, and is usually used to probes the relationship between molecular structure, movement and function.In the chemical simulation, nonbonded force calculation is the most computer-intensive and important part, and calculating pair-wise forces between all nonbonded pairs of atoms in the system would take O(n2) time (where n is the number of atoms in the system).

Although it has a complex structure and is difficult to distinguish the specific crystal texture, there are more and higher crystal peaks in slag pattern.
There are more crystal structures in slag which is obtained after fly ash melting process
Journal of Fuel Chemistry and Technology Vol. 33 (2005), p. 703-707, in chinese [2] H.
Analytical Chemistry Vol. 51 (1979), p. 844-851 [4] S.
Journal of Fuel Chemistry and Technology Vol. 33 (2005), p. 184-188, in chinese

Corrosion Inhibition and Adsorption Behavior of 4-((2-Thiophenecarboxylic acid hydrazide)methylene)benzoic Acid on Copper Surface in CO2-saturated Oilfield Water Shiliang Chen1,2,a, Zheng Liu1,2,b and Jie Liu1,2,c 1College of Chemical and Biological Engineering, Guilin University of Technology, Guilin 541004, Guangxi, China 2Key Lab of New Processing Technology for Nonferrous Metals and Materials Ministry Education, Guilin 541004, Guangxi, China a piaocsl@163.com, b lisa4.6@163.com, c liujie410306@126.com Keywords: Copper; Acylhydrazone; Corrosion inhibitor; Electrochemical test; Inhibition mechanism Fig. 1 Molecular structure of HD Abstract.
Yang, et al., Self-assembled monolayer of ammonium pyrrolidine dithiocarbamate on copper detected using electrochemical methods, surface enhanced Raman scattering and quantum chemistry calculations, Thin Solid Films 519 (2011) 6492
Liu, Synthesis, Characterization, Structure and quantum chemistry of the 4-((2-Thiophenecarboxylic acid hydrazide) methylene)benzoic acid, Chinese J.
Tang, Study on corrosion inhibition performance of imidazoline phosphonoamide hydrochloride in simulated oilfield water, Oilfield　Chemistry, 25 (2008) 34

Influence of electron beam irradiation on the structure of polymeric materials such as polyvinyl alcohol and polylactic acid was investigated.
Surface structure and property alteration of industrially important polymers promotes physicochemical property change.
According to SEM, there are structures of high crystallization degree in irradiated PLA samples.
Zakhary Electron beam induced surface modifications of PET film, Radiation Physics and Chemistry 102 (2014) 96-102 [6] R.
Kazitsyna, The use of UV-, IR- and NMR- spectroscopy in organic chemistry (in Russian), M.

There are five most important properties of carbon black, such as surface area, structure, and surface chemistry, physical nature of surface and particle porosity.
Two types of filler have been choosing which are N375 and N339 that represents high structures and low structures of carbon black.
It is caused by bulking structure in styrene group that made a restriction in rotation of the molecules.
· Low structure carbon black filler, N375 showed better performance in heat conductivity rather than high structure carbon black filler, N339 in NR/SBR blends
H,”A New Flexometer to Predict Heat Generation of Truck Tires” Tire Materials Development, Bridgestone Corporation, Tokyo, Japan. 148th Meeting of American Chemical Society, Division of Rubber Chemistry, 1995 [11] ISO 4666/4.