POLARITY RULES IN COMPUTER DESIGN OF HETEROCYCLES E.V. Babaev Chemical Dept, Moscow State University, Moscow 119899, Russia Abstrac t Qualitative polarity rules for heterocyclic ring synthesis via polar reactions of cyclization or recyclization are discussed. The main idea is the application of general definition of consonant and dissonant structures to acyclic chains and cyclic heteroaromatics and analysis of interconversion of this two combinatorial properties. ...

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• Concept of Chemical Periodicity: from Mendeleev Table

... This sp ectral distribution is defined b oth by the energy distribution in the target star's sp ectrum and by the sp ectral resp onse of the detector, i.e. by the central wavelength 0 and the effective sp ectral bandwidth . ... On the right: The collection of the MASS sp ectral resp onse curves. ... Table 1: Integral characteristics of the resp onse curves of the MASS devices. 0 -- central wavelength, ef f -- effective wavelength for A0 V stars, -- effective bandwidth (integral under the curve). ...

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... Geography of World Economy . ... Cryolithology and Glaciology . ... Departments . ... Research laboratories . ... Field stations . ... Type of field courses . ... Department of Cryolithology and Glaciology The Department was founded in 1945 with the name Department of northern countries . ... Our students are active members of PYRN (Permafrost Young Researchers Network), in which they share best practices, information about conferences, field courses, jobs. ... ISBN 5-89176-095-9 . ...

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Please enter the lightcurve file name and period search parameters: . Lightcurve file: . ... Apply the Heliocentric correction and convert all dates to Terrestrial Time (TT)? ... Also, the Heliocentric correction cannot be applied to such lightcurves. ... This period search service is also available at the mirror sites: Mirror 1 , Mirror 2 , Mirror 3 , Mirror 4 . You may download the latest source code distribution and install the period search service at your own web server. ...

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In memory of Sasha Kuznetsov . Only two days ago I came back from a visit abroad to the sorrowful news that our long-time good colleague and friend, a sparkling and noble personality, Alexander Mikhailovitch Kuznetsov, to me and many others, Sasha, had passed away. ... This applied both to his own realm of molecular charge transfer phenomena but also in his interests in broader areas of condensed matter chemical physics. ... Sasha enjoyed high and increasing international respect. ... Back ...

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• Oleg A. Petrii
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Appl Phys B DOI 10.1007/s00340-010-4081-z Multifilamentation of high-power femtosecond laser pulse in turbulent atmosphere with aerosol E.P. Silaeva Ї S.A. Shlenov Ї V.P. Kandidov Received: 18 February 2010 / Revised version: 29 April 2010 ? Springer-Verlag 2010 Abstract The filamentation of a femtosecond laser pulse in atmosphere under the joint influence of turbulence and aerosol has been numerically studied for the first time. ... Strong turbulence can inhibit the pulse filamentation process. ...

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... SUPER RATIO . ... On this page I will present the most important (on my opinion) idea on Intellegence Life in the Universe . ... On the problem of the Super Ratio in astrophysics" . ... As a matter of fact, this is the main problem of the modern natural science. ... Here I shall try to speak about the most important problem of the modern natural science, the problem which is undoubtedly, of more importance than discovery of Blacks Holes, creation of Grand Unification Theory or Artificial...

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... solvation nucleation of the polymorphs Solute-solute interactions, association parameters , thermodynamics parameters , conformations growth of the crystal Nature of solvent, intermolecular interactions (solute ґ solvent, solute-solute), conformations Lattice energy , entropy of the crystal, symmetry of the lattice, conformations The conformational manifolds is the candidate to be a coordinate of reaction Methods of investigations Quantum chemistry ...

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Lomonosov project . ... Mikhail Lomonosov . ... The studies of Lomonosov determined profile of Russian science forever, and we appreciate the discoveries of the leading Russian scientists as the studies of his direct learners and successors. A recognized and the most significant input of Lomonosov into natural science is molecular-kinetic theory of heat, developed during the prevalence of theory of specific fiery matter ? ... Lomonosov?s theory drawn wide response in European science. ... Aurora. ...

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• Gamma-bursts | Университетский спутник "Ломоносов"
• Scientific goals | Университетский спутник "Ломоносов"

... Du r ing ou r exper iments, we displaced f rogs at different distances f rom their ponds and t racked their movements. ... In sum mer, the marsh f rogs f rom nor ther n population (43 individuals) af ter displacement up to 250 m tended to ret u r n to their breeding pond. ... In this case, f rogs caught in the pool and displaced 10 --15 m and 150, 250 m away f rom the pond moved to the Moscow R iver that ser ves as a hiber nation site for these f rogs. ... 0.01). , ( p < 0.05). , , , , , , - , , 4 1...

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... Paradigm shifts by Kuhn: successive change of one model by another, rather than integration of different paradigms Progress of science: from single- to multi-model approach Some examples from natural science... Ї theory of light: from vibration of ether to wave-particle duality Ї laws of motion: from Newton's dynamics to SchrЖdinger 's and Heisenberg's formalism In social and environmental sciences appreciation of the multi-model ...

135. http://www.library.biophys.msu.ru/art004/article.pdf

136. Космический научно-образовательный проект Московского государственного

137. PubMed medline query

138. http://www.mce.biophys.msu.ru/archive/doc61424/eng.pdf

139. http://www.socio.msu.ru/vestnik/eng/archive/2014/2/12.pdf

140. http://imaging.cs.msu.ru/files/courses/ipintro2012/Lec_Pt1_Color_photo.pdf