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Synthesis of New Phenoxypropylamines and Evaluation of Their Antiulcer Activity as H2-Receptor Antagonist Hui Zhang1, a, Min-fan Wu2,b, Yu Tian3,c, Jian Tong4,d and Li-hong Shang5,a 1Department of Chemistry, Shenyang Medical College, Shenyang 110034, China 2Department of Physiology, Shenyang Medical College, Shenyang 110034, China 3Key Lab of New Drugs Design and Discovery of Liaoning Province, School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, 110016, China 4 College of Chemistry, Liaoning University, Shenyang 110036, China; 5 Function Experimental Center, Shenyang Medical College, Shenyang 110034, China aa13998826073@163.com, bminfanwu0594@sina.com, ctianyu19831029@163.com, dtongjian62@sina.com Keywords: roxatidine; phenoxypropylamines; synthesis; antiulcer agents; biological activity.
The structure activity relationships of gastric acid antisecretory activity are also discussed in detail.
Jian Tong for assistance with multidimensional NMR experiments, and providing coordinates of the published NMR structure of target compounds and high resolution mass spectral analyses.

Modified zeolite and Treatment with Cr3+ in the Wastewater Jianli Yang1, a, Meili Du, Jie Huang and Xiaogang Yang 1 School of Chemistry and Chemical Engineering, Xi′an University of Science and Technology, Xi′an 710054, China ayjl0823@163.com Keywords: Ultra-zeolite 4A;Microwave method; Adsorption;Cr3+ Abstract.
The functional groups of product structure is identified by the Infrared spectrometer.Using potassium bromide tablet method, the peak of zeolite is mainly vibration bands in the region of 500 ~ 1300cm-1.
By comparing we found the ultra-zeolite 4A prepared by microwave, the particle size is significantly reduced and uniform, reach ultra-structure about 700 ~ 800nm, consist with the XRD results.
Zeolites and porous materials chemistry.

Transparency of PP Improved via Random Copolymerization In order to meet the requirements of medicine and food industry further, the emphasis of HTPP is converted from the research of NTA to the contol of its molecular structures.
HTPP Polymerized with Metallocene Catalyst HTPP also can be polymerized with metallocene catalyst which controls the molecular weight of polymer and its distribution, crystal structure and ways of monomer copolymerized insertion.
Niu: Chemistry and Adhesion.
[5] MeDonald J.G,Cununins C.L,Barkley R.M.: Analytieal Chemistry Vol. 50 (2008), p. 5532

Electrochemical and photochemical technology has won the industrial application, while magnetic chemistry is still under development [6-8].
Gui-Rong Li et al. [10] did the research on the solidification organization of in situ synthesis of Al matrix composite under the electromagnetic stirring, which showed that after electromagnetic stirring, mixing and perturbation promote the mass transfer, thereby improving the structure and properties of the synthesized composites.
Magnetic chemistry is still limited to a single magnetic field.
The solidification structure of (Al2O3 + Al3Zr) p/A356 composite synthesized under electromagnetic stirring [J], Special Casting & Nonferrous Alloys, 2005, 25 (8): 502-504.

Conclusion and Discussion Divided the organic- mineral complexes into three groups: the first group(G0) is Water dispersion complex, the second group (G2) is Sodium dispersion complex ,a kind of Calcium-combined organic-inorganic complex, the complex in this group has an very important effect on the formation of Structure body, the third group(G2) is Sodium grinding complex, is an iron and aluminum oxides sturdy combined organic-inorganic complex.
The complex in this group has an vital effect on fixity of Structure body.[7] The study indicates that the complex from G0 is a mixture of free mineral granule and micro aggregates[8],.
Beijing：Agriculture Press,1988:40-41(In Chinese) [6] Professional Committee of Chinese Soil Science Society of Agricultural Chemistry.
Conventional analysis methods of soil agricultural chemistry [M].

However, the quality of CFA added cement composite is affected by the CFA mineralogy, chemistry and morphology.
The chemistry of CFA depends on the type of coal burned to produce it and the CFA morphology is controlled by the coal combustion temperature and subsequent cooling rate.
Due to its hollow structure, cenospheres have low particle densities [3].
According to literature, cenospheres, magnetic particles, and fine ash are primarily spherical in nature; in contrast carbon has a larger porous structure exhibiting a more irregular shape [3].

For the past several decades, Kalman filtering has successfully solved a great variety of estimation problems in control engineering, chemistry, mechanics, biology and chemistry industry.
The structure of the tool box is shown in Fig.1.
Fig. 1 Structure of Filter and Guidance Toolbox Each sub-module both under core and user defined modules is a set of standardized functions of Matlab Language thus can be used repeated with very little chance when dealing with different kind of estimation tasks.

It includes elements of applied physics and chemistry, as well as chemical, mechanical, civil and electrical engineering.
The basis of all materials science involves relating the desired properties and relative performance of a material in a certain application to the structure of the atoms and phases in that material through characterization.

In conclusion, this model is more realistic than the monosite 2-pK model, but it requires a good knowledge of the crystal structure and surface orientations of the solid.
In fact, kinetic effects play an important role in sorption chemistry.
In this case, it is possible to correlate this diffusion to the crystal structure and to the ion exchange model developed in a previous part of this review.
Freundlich, "Colloid and Capillary Chemistry", Methuen, London, England (1926)
Stumm, "Chemistry of the Solid-Water Interface", Wiley-Interscience (1992)

Investigated powder before and after PUA has polycrystalline structure.
TEM method unlike to XRD allows to study the phase composition and peculiarities of lattice structure for a single particle.
Khasanov, Influence of powerful ultrasonic treatment on the structure of dry ceramic nanopowders, in: 5th International Forum on Strategic Technology: Proceedings, IEEE, Ulsan, 2000, pр. 48-50
Pokholkov, Structural features of ultrafine zirconia as probed by synchrotron X-ray diffraction, Doklady Physical Chemistry. 377 (2001) 121–123
Khasanov, G.S.Yur’ev, Yu.F.Ivanov, Coexistence of cubic and tetragonal structures in yttria-stabilized zirconia nanoparticles, Inorganic Materials. 37 (2001) 950–952