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Results of 1H NMR analysis conformed that it was the structure of the target, the rosin Gemini surfactant.
Rosin chemistry and the function of rosin, Beijing chemical industry publishers, Beijing, 2005 [7] Z.
Chemistry and Industry of Forest Products, 1994, Vol.1, p.68-73
Studies on synthesis, structure and biological activities of rosin derivatives.
“Chemistry of surfactants”.

Synthesis and H+/K+-ATPase Inhibitory Activity of 2-phenyl-6,7-dihydrobenzofuran-4(5H)-one Oxime Ether Derivatives Hubiao Fang, Lei Jin, Weichen Zai, Yurong Song, Junzhi Wang, Nianyu Huang* Hubei Key Laboratory of Natural Products Research and Development, College of Chemistry and Life Sciences, China Three Gorges University, Yichang, Hubei 443002, China hny115@126.com Keywords: 2-phenyl-6,7-dihydrobenzofuran-4(5H)-one, oxime ether, H+/K+-ATPase inhibitory activity, synthesis, structure elucidation Abstract: Three pairs of 2-phenyl-6,7-dihydrobenzofuran-4(5H)-one oxime and corresponding oxime ether isomers were synthesized and separated as potential anti-ulcer agent.
Their structures were characterized by NMR, IR, ESI-MS and elemental analysis.
Furans and oxime ether are important compounds in organic chemistry since these structural elements can be found in many natural products or pharmaceutically active molecules [7-8].
Results and discussion 2.1 Synthesis and structure elucidation With the aim of investigating the structure-activity relationships between single geometric configuration of oxime derivatives and their H+/K+-ATPase inhibitory activity, the 2-phenyl-6,7-dihydrobenzofuran-4(5H)-one oxime and its derivatives were synthesized according to the literature methods [10,11] (Scheme 1).
Subsequent efforts to address the structure-activity relationship of this oxime ether derivatives and their gastric cytoprotective mechanism would be reported in due course.

Introduction Nanoparticles are one of the important research interests in science and technology due to their advantages in surface chemistry effects.
All peaks are consistent with the JCPDS data without any impurities indicating the sample has a high quality crystal with spinel structure.
Zhang, Nanocrystals as stoichiometric reagents with unique surface˗chemistry, J Phys.
Majetich, Photomagnetism and structure in cobalt ferrite nanoparticles, Appl.
Alboin and Risdiana, The Effect of Molar Composition of Co2+ to Structure and Magnetic Properties of CoFe2O4, AIP Conf.

The structure of the products was characterized by 1H-NMR and IR spectrum.
The ring-opening polymerization of cyclic monomers can be useful methods to prepare new polymers of novel structures, especially microstructure-controlled copolymers that are otherwise difficult to obtain by conventional polymerization methods.
IR characterization of novel fluorinated polyether glycol As an effort to develop the novel polymer materials, the above synthesized fluorinated epoxy compound was introduced into the polyether glycol, resulting a highly branched structure, as shown in Scheme 2.
[2] Vatsuro, K.V. and Mishchenko, G.L.: Imennye reaktsiiv organicheskoi khimii (Named Reactions in Organic Chemistry), Moscow: Khimiya, 1976, p. 403
Russian Journal of Organic Chemistry, 2007, vol.43, No.5, P.656-659

Figure 1 shows that the PS Microsphere is uniformity, morphology of structured, microspheres of about 120nm in diameter.
With the standard spectrogram Li4Mn5O12, we can know that the synthetic product is Li4Mn5O12 of spinel structure.
Physical Chemistry Chemical Physics, 2003, 5(2/3):5215−5220
Chemistry of Materials, 2000, 12(10): 3152−3157
Inorganic Chemistry Communications, 2004, 7(2): 308–310.

Thermal treatment of the mineral wool mat ZhukovAlexeyDmitrievich1, a, Smirnova Tatyana Viktorovna2, b, Zelenshchikov Dmitry Borisovich3, c, KhimichAnastasiya Olegovna4, d 1Professor,Departmentof Technology of composite materials and applied chemistry, NationalResearchUniversity MoscowStateUniversityofcivilengineering, Moscow, Russia 2Post-graduate student, DepartmentofTechnology of composite materials and applied chemistry,National Research University Moscowstateuniversityofcivilengineering,Moscow, Russia 3Post-graduate student, DepartmentTechnology of composite materials and applied chemistry, National Research UniversityMoscowstateuniversityofcivilengineering, Moscow, Russia 4Student, Institute of Civil Engineering and Architecture,National Research UniversityMoscowstateuniversityofcivilengineering, Moscow, Russia, 129337, Yaroslavskoyeshosse, 26 alj211@yandex.ru;btatyana.smirnova@rockwool.ru;czdb@acado-s.ru; dkhimichanastasia@gmail.com; Keywords:mineralwool, computer
Formation conditions of the material structure should provide maximal intersection of fibers while maintaining the uniformity of the structure.
Stabilization of the structure is achieved during thermal treatment by polycondensation the binder.In this process very important parameters are a uniform distribution of binder, the maximum polycondensationof the binder and the maximum uniformity polycondensationof the binder.
Mineral wool products with a combined structure - dual density slabs correspond to these requirements the most.
The production process these products is determined by the relevant technological regulations, and spontaneous intrusion into changing parameters is strictly not recommended [5].Thus for a more complete study of the process definition structures of the interaction of its parameters appropriate to the study system technology based on the general methodology analysis process [4].

Then, the use of these concepts to develop fully 3D finite element simulations accounting simultaneously for thermal, mechanical and chemistry phenomena will be illustrated on the particular case of SiC-based refractory.
They induce a strong complexity in the design of large refractory lining structures which adds many engineering difficulties.
This choice is justified by the fact that it is the first step of the degradation mechanism and it often (close to always) participates to the degradation of SiC-based refractory structures.
Indeed, as an illustration, many different effects more or less linked to chemistry and phase change are hidden in the temperature dependence of properties like Young’s modulus or coefficient of thermal expansion.
In the application treated here, the physics taken into account are: heat transfer, mechanics, chemistry (i.e.

X – ray Investigations of Polycrystalline Compounds with General Formula ZnCr2-xNdxSe4 JENDRZEJEWSKA Izabela 1, a,*, ZAJDEL Paweł 2,b, GORYCZKA Tomasz 3,c, MACIĄŻEK Ewa 1,d, MRZIGOD Janusz 1,e aUniversity of Silesia, Institute of Chemistry, Szkolna 9, 40-006 Katowice, Poland bUniversity of Silesia, Institute of Physics, Uniwersytecka 4,40-007 Katowice, Poland cUniversity of Silesia, Institute of Chemistry and Physics of Metals, Bankowa 12, 40-006 Katowice, Poland, aizajen@ich.us.edu.pl ,bpawel.zajdel@us.edu.pl, cgoryczka@us.edu.pl, demaciazek@ich.us.edu.pl, elifter67@poczta.wp.pl, Keywords: spinel, crystal structure, X-ray-diffraction, ceramic method Abstract.
Chalcogenide spinels are a broad class of compounds, which crystallize in a normal cubic spinel structure with general formula AB2X4.
In present work, the influence of the neodymium on the crystal structure and lattice parameters is discussed.
The stability of the spinel structure decreases with increasing anion polarizability (in the ordering O, S, Se, Te).
When the atoms become too large to occupy the tetrahedral and octahedral sites in the spinel structure, the compounds may crystallize in other related structure (e.g.

Structure Sensitive Properties of System B2O3-CaO Melts A.S.
The obtained results were used to describe the structure of borate melts.
This indicates significant change of the melt surface structure, associated with increase of structure units number with reduced σ.
Filatov, High-temperature crystal chemistry of borates and borosilicates, Science, Saint Petersburg, 2008
Manakov, Physical chemistry of oxide and oxyfluoride melts, Nauka, Moscow, 1977

It was observed that a limited content of zinc can be incorporated into the siliciate framework of HMS and appropriate amount of zinc incorporated would promote the formation of the typical wormhole-like structure of HMS and exhibited high catalytic properties while excessive zinc incorporated would destroy the structure.
Especially compare to the wormhole-like structure the interconnectivity of this unordered structure is really poor, and it may be hinder the diffusion of rectants and products.
This structure would be destroyed if the zinc content which was incorporated into HMS was too much.
Industria＆Engineering Chemistry Research,vol.50 (2010),pp.2236-2244
Industrial＆Engineering Chemistry Research, vol. 49(2010), pp.5392-5399.