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Open Access
Wei Li, Zhikai Guo, Hengdao Quan
Abstract:A facile synthetic route for the preparation of a series of hydrofluoroethers (HFEs) was developed. This route was based on two key reactions. The first reaction involved the alcoholysis of various fluoroalcohols with p-toluenesulfonyl chloride in a sodium hydroxide solution, while the second involved the Williamson ether s [...] Read more.
Abstract      ReferencesPDF (430 K)   September 25, 2018     1125 Downloads    1053 Views
Open Access
Yali YIN
Abstract:According to the investigation of the Replacement Teaching Practice which carries out by the Gannan Normal university, I discovered that practice teaches have great influence to the majority normal university students. Some of them complain about the difficult condition and are unwilling to take Practice Teaches in Chinese [...] Read more.
Abstract      ReferencesPDF (170 K)   September 25, 2018     993 Downloads    1352 Views
Open Access
Gladys Modupe Kayode, Racheal Omowunmi Ajayi, Oyin Oluwasesan Oladele
Abstract:The potentials of livestock in the sustenance of the economy of rural women of Ekiti State, Nigeria was examined in this study. Semi structured questionnaire guides were used to interview 240 selected rural women from the three zones of the state. The interviews were focus, conversational and two-way in communication. The d [...] Read more.
Abstract      ReferencesPDF (486 K)   August 8, 2018     269 Downloads    769 Views
Open Access
Ali Seyedkazemi, Meysam Mirzaeipour, Saman Eftekhar Ardabili
Abstract:Waste foundry sand, often piled in a large amount in the enclosures of the foundries, is the by-product of metal casting industry. Rice hull which is often burned after it is removed from rice is also a by-product of the agriculture industry. Disposing of these wastes leads to the environmental pollution. To optimal use of [...] Read more.
Abstract      ReferencesPDF (1405 K)   August 8, 2018     227 Downloads    767 Views
Open Access
Sergey M. Afonin
Abstract:In the general form for the equation of the electroelasticity the generalized structural-parametric model and the generalized matrix transfer function of the electroelastic actuator with the output parameters displacements are determined from the solutions of the wave equation with using the Laplace transform. The parametri [...] Read more.
Abstract      ReferencesPDF (438 K)   August 3, 2018     2916 Downloads    19244 Views
Open Access
Eduardo Flores, Jeffrey Scaturro
Abstract:Light displays particle and wave properties within the bounds of the inequality, K^2+V^2≤1, where K represents particle information and V represents corresponding wave information. Using two laser beams that cross and then diverge from each other we explore the inequality. Results, based on semiclassical analysis, are in co [...] Read more.
Abstract      ReferencesPDF (582 K)   August 2, 2018     309 Downloads    810 Views
Open Access
WOLF Marc, WOLF François, LE COZ Corentin
Abstract:We propose a new algorithm solving the extended gcd problem, which provides a solution minimizing one of the two coordinates. The algorithm relies on elementary arithmetic properties. [...] Read more.
Abstract      ReferencesPDF (269 K)   August 2, 2018     197 Downloads    1158 Views
Open Access
WOLF Marc, WOLF François
Abstract:We study the composite odd numbers via their indices with a function ranging through all of them. This mapping allows us to demonstrate that the set of these indices are described with two families of finite sequences with arithmetic differences. Composite odd numbers are then shown to be obtained as differences of two squa [...] Read more.
Abstract      ReferencesPDF (623 K)   August 2, 2018     325 Downloads    1432 Views
Open Access
Minoru Aoyagi, Takahiro Ueno
Abstract:The micrometer-sized network structure of a calcium-alginate hydrogel, which was synthesized from sodium alginate, calcium sulfate dihydrate, trisodium phosphate 12-hydrate, glycerol, and water, was observed using an optical microscope, cryogenic-scanning electron microscope, and an energy-dispersive X-ray spectrometer. For [...] Read more.
Abstract      ReferencesPDF (960 K)   August 2, 2018     198 Downloads    692 Views
Open Access
Michał Marek
Abstract:Sandpile Paradigm was proposed by Bak, Tang and Wiesenfeld (Bak et al. 1987) to explain simple model of Self-Organized Criticality (SOC). When the piles fall on the sandpile (input driver), we will see, that at some critical point (reaching adequate angle of response), sand will slide down to get the saturation phase.
T [...] Read more.
Abstract      ReferencesPDF (610 K)   August 2, 2018     83 Downloads    616 Views
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by Sergey M. Afonin
2916 Downloads 19244 Views
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by Syed Adil Hussain, Taha Hasan Associate Professor
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by Omprakash Sikhwal, Yashwant Vyas
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by Munmun Nath, Bijan Nath, Santanu Roy
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