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X-ray film chamber with carbon target of Tien-Shan complex array (1985)

Chubenko, A. P. ; Krutikova, N. P. ; Yakovleva, T. I. ; [weitere]

In: CASI

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Publikationsdatum: 2016-06-11

Beschreibung: X-ray films were exposed inside the ionization calorimeter under 74g/sq cm of carbon and 5 cm of lead. The X-ray film chamber area is 35 sq. m. Moving X-ray films were used, 50% of the events, which succeeded to determine incidence time, were identified with corresponding extensive air showers (EAS). For such events the size spectrum of associated EAS was derived. Two methods of energy measurement using X-ray films and ionization calorimeter were compared. The energy transfer from selected hadron to electromagnetic component is illustrated. It is found that in cascades with high energy release into electromagnetic components the hadron component is practically absent.

Schlagwort(e): SPACE RADIATION

Materialart: 19th Intern. Cosmic Ray Conf - Vol. 6; p 254-257; NASA-CP-2376-VOL-6

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2

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Measurements of light background at large depth in the ocean (1985)

Volkov, A. N. ; Beresnev, V. I. ; Paka, V. T. ; [weitere]

In: CASI

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Publikationsdatum: 2019-06-28

Beschreibung: The mean intensity of Cerenkov emission from the products of K(40) decay and bioluminescence was measured at depths to 5 km. The intensity of ocean light background is found to depend upon depth and at the 5 km level is equal on averaged to 300 + or - 60 quanta/sq cms into spatial angle of 2 pi sterradian in transparency window. The amplitudes, duration and number of BL flashes were measured at various depths. The intensive flashes due to BL are shown to be observed rather seldom at depths over 4 km.

Schlagwort(e): SPACE RADIATION

Materialart: HE-5.2-8 , 19th Intern. Cosmic Ray Conf - Vol. 8; p 57-60; NASA-CP-2376-VOL-8

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3

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Modular detector for deep underwater registration of muons and muon groups (1985)

Demianov, A. I. ; Yershov, A. A. ; Sinyov, N. B. ; [weitere]

In: CASI

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Publikationsdatum: 2019-06-28

Beschreibung: Registration and identification of muons and muon groups penetrating into the ocean depth, can be performed using a modular multilayer detector with high resolution bidimensional readout - deep underwater calorimeter (project NADIR). Laboratory testing of a prototype sensor cell with liquid scintillator in light-tight casing, testifies to the practicability of the full-scale experiment within reasonable expences.

Schlagwort(e): SPACE RADIATION

Materialart: HE-5.4-15 , 19th Intern. Cosmic Ray Conf - Vol. 8; p 206-209; NASA-CP-2376-VOL-8

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4

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Cosmic ray modulation in a random anisotropic magnetic field (1985)

Shakhov, B. A. ; Nosov, S. F. ; Katz, M. I. ; [weitere]

In: CASI

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Publikationsdatum: 2019-06-28

Beschreibung: Inhomogeneities of the interplanetary magnetic field can be divided into small scale and large scale ones as may be required by the character of the problem of cosmic ray (CR) propagation. CR propagation in stochastic magnetic fields is of diffusion character. The main contribution into the scattering of CR particles is made by their interaction with inhomogeneities of the magnetic field H which have characteristic dimensions 1 of the order of Larmor radius R=cp/eH of particle (p is the absolute value of particle momentum, e is particle charge, c is velocity of light). Scattering of particles on such inhomogeneities leads to their diffusion mostly along a magnetic field with characteristic dimensions of variation in space exceeding the mean free path.

Schlagwort(e): SPACE RADIATION

Materialart: SH-4.1-20 , 19th Intern. Cosmic Ray Conf - Vol. 4; p 413-416; NASA-CP-2376-VOL-4

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5

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Estimation of composition of cosmic rays with E sub zero approximately equals 10(17) - 10(18) eV (1985)

Pravdin, M. I. ; Efremov, N. N. ; Dedenko, L. I. ; [weitere]

In: CASI

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Publikationsdatum: 2019-06-28

Beschreibung: Fluctuations of the shower maximum depth obtained from analysis of electron and muon fluctuations and the extensive air showers (EAS) Cerenkov light on the Yakutsk array data and data of other arrays are considered. On the basis of these the estimation of composition of primaries with E sub 0 = 5.10 to the 17th power eV is received. Estimation of gamma-quanta flux with E sub 0 10 to the 17th power eV is given on the poor-muon showers.

Schlagwort(e): SPACE RADIATION

Materialart: OG-5.1-14 , 19th Intern. Cosmic Ray Conf - Vol. 2; p 186-189; NASA-CP-2376-VOL-2

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6

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Search for excess showers from Crab Nebula (1985)

Morozov, A. E. ; Stamenov, J. N. ; Aseikin, V. S. ; [weitere]

In: CASI

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Publikationsdatum: 2019-06-28

Beschreibung: The arrival directions of muon poor showers registrated in the Tien Shan experiment during an effective running time about I,8.IO(4)h were analyzed. It is shown that there is a significant excess of these showers coming the direction of Crab Nebula.

Schlagwort(e): SPACE RADIATION

Materialart: OG-2.3-2 , 19th Intern. Cosmic Ray Conf - Vol. 1; p 135-138; NASA-CP-2376-VOL-1

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7

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Experimental investigation of radiative-acoustic effects in the water by the thermodynamical conditions of Dumand (1985)

Korchikov, S. D. ; Golubnichy, P. I. ; Nikolsky, S. I. ; [weitere]

In: CASI

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Publikationsdatum: 2019-06-28

Beschreibung: The value of the sound pulse produced by a high energy neutrino, if the thermoacoustical mechanism of sound generation takes place, is proportional to the density of energy absorbed, the coefficient of thermal expansion, the sound velocity, and the specific heat all of which depend on temperature, pressure and the salt content of the water.

Schlagwort(e): SPACE RADIATION

Materialart: HE-7.1-2 , 19th Intern. Cosmic Ray Conf - Vol. 8; p 325-328; NASA-CP-2376-VOL-8

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8

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Tien-Shan effect and charmed particles (1985)

Yakovlev, V. I. ; Madigozhin, D. T. ; Dremin, I. M. ; [weitere]

In: CASI

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Publikationsdatum: 2019-06-28

Beschreibung: It is shown that the Tien-Shan effect can be explained as a consequence of charmed particle production with a sufficiently high production cross-section (about 5 mb/nucleon at 100 TeV).

Schlagwort(e): SPACE RADIATION

Materialart: HE-6.2-17 , 19th Intern. Cosmic Ray Conf - Vol. 8; p 314-317; NASA-CP-2376-VOL-8

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9

Digitale Medien

Some aspects of molecular weight determination in acrylic emulsion copolymersPart of this work was presented at the COLLOQUE INTERNATIONAL SUR LES COPOLYMÉRISATION ET LES COPOLYMÈRES EN EMULSION, Lyon, 7-9 Mars 1984 (1985)

Anžur, I. ; Osredkar, U. ; Ukmar, I. ; [weitere]

New York : Wiley-Blackwell

Die Makromolekulare Chemie 10 (1985), S. 311-317

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ISSN: 0025-116X

Schlagwort(e): Chemistry ; Polymer and Materials Science

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie , Physik

Notizen: Three types of ethylacrylate (EA) and methyl methacrylate (MMA) copolymers and both homopolymers were synthesized by batch emulsion polymerization.The quantification of the influence of the low-molecular-weight compounds, originating also from the presence of emulsifiers, on molecular weight determination was the main purpose of this work.Therefore molecular weights and molecular weight distribution were determined for samples as synthesized (uncleaned samples) and for samples freed of low-molecular-weight compounds (cleaned samples).It was found that data on molecular weight averages and molecular weight distribution of cleaned samples do not provide sufficient information on the applicability of the emulsions concerning molecular weights.In this work the nonhomogeneity due to copolymer composition was neglected.With increasing the proportion of the more reactive monomer in monomer composition the molecular weight averages are increasing.

Zusätzliches Material: 5 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/macp.1985.020101985123

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10

Digitale Medien

Investigation of Benzimidazoles. 6For Part 5 see Ref. 4. - transmission of substituent effects in dianion radicals of 2-substituted 5(6)-nitrobenzimidazoles studied by ESR spectroscopy (1985)

Lopyrev, V. A. ; Larina, L. I. ; Vakul'skaya, T. I. ; [weitere]

Chichester : Wiley-Blackwell

Organic Magnetic Resonance 23 (1985), S. 305-310

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ISSN: 0749-1581

Schlagwort(e): Chemistry ; Analytical Chemistry and Spectroscopy

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: The substituent effects in dianion radicals of fourteen 2-substituted 5(6)-nitrobenzimidazoles, electrochemically generated in acetonitrile, were studied by ESR. It was found that the substituent influence on the nitro group is transmitted with approximately equal contributions from the inductive and resonance components, independently of the pairs of the σIσR, σIσRo,σIσR+ and FR substituent constants used. The radical stabilization constant σ contributes much to the correlation of the hyperfine splitting constants of H-6 and the heterocyclic nitrogen atoms. The transmission through the benzimidazole ring in dianion radicals of nitrobenzimidazoles is half that of the benzene ring in anion radicals of para-substituted nitrobenzenes.

Zusätzliches Material: 3 Ill.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/mrc.1260230506

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