Výsledky vyhledávání - "Daniel Raucher"

Unsaturated Zone and Ground-Water Contamination by Organic Pollutants in a Sewage-Effluent-Irrigated Site

Autor: Daniel Ronen, Lea Muszkat, Daniel Raucher, Abraham J. Amiel, Mordeckai Magaritz

Publikováno v: Ground Water. 31:556-565

This study describes the distribution of organic pollutants from the ground surface, through the unsaturated zone, to the water table at a citrus grove irrigated by sewage effluent for about 20 years. The citrus grove, located in Israel, overlies an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ae7f0a7d1a93ee2b4226a28949840abe
https://doi.org/10.1111/j.1745-6584.1993.tb00588.x

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Liability of Groundwater and Depth of Soil to Contamination by Pesticides and Other Organic Xenobiotics: Two Case Histories

Autor: Lea Muszkat, Daniel Ronen, Daniel Raucher, Mordeckai Magaritz, Lina Bir

Publikováno v: Water Science and Technology. 27:203-212

We discuss the penetration of organic pollutants into the depth of soil and into groundwater under different environmental and geological conditions. In one case a field study was conducted on the impact of prolonged irrigation by effluents on ground

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::70189187f66b206ffb9eb09edc30a456
https://doi.org/10.2166/wst.1993.0553

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Kinetics of vinyl fluoride polymerization

Autor: Moshe Levy, Daniel Raucher

Publikováno v: Journal of Polymer Science: Polymer Chemistry Edition. 17:2663-2673

Vinyl fluoride was polymerized, at low temperatures and pressures, by photo- and ..gamma..-ray initiation. The kinetics of this heterogeneous polymerization reaction was studied and a general scheme was proposed to explain the experimental results. T

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6c5177a7e63c91269c7b1df8b155de4d
https://doi.org/10.1002/pol.1979.170170902

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Thermal stability of homo- and copolymers of vinyl fluoride

Autor: Moshe Levy, Daniel Raucher

Publikováno v: Journal of Polymer Science: Polymer Chemistry Edition. 17:2675-2680

The thermal stability of poly(vinyl fluoride) (PVF) was studied by thermal gravimetry and mass spectrometry (TGA and TGA–MS). In low-molecular-weight polymers a two-step decomposition pattern was observed. It consisted of the dehydrofluorination to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6b0b168e7e3f2741e19274e12d0ca806
https://doi.org/10.1002/pol.1979.170170903

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Photopolymerization of vinyl fluoride

Autor: Moshe Levy, Daniel Raucher

Publikováno v: Journal of Polymer Science: Polymer Chemistry Edition. 13:1339-1346

The photopolymerization of vinyl fluoride, in the presence of peroxide, was studied in dimethyl sulfoxide (DMSO) solution and in bulk. It was found that high rates of reaction could be obtained in spite of the fact that the polymer precipitates at an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fbb5795fe30349203a3ed34aa088d4d3
https://doi.org/10.1002/pol.1975.170130606

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Diffusivity of gases and main-chain cooperative motions in plasticized poly(vinyl chloride)

Autor: M. D. Sefcik, Jacob Schaefer, Daniel Raucher, F. L. May, S. M. Dub

Publikováno v: Journal of Polymer Science: Polymer Physics Edition. 21:1041-1054

Permeability and time-lag measurements for H2 and CO in poly(vinyl chloride) (PVC) plasticized with tricresyl phosphate show that the apparent diffusion coefficients at first decrease as the plas-ticizer concentration is increased. The diffusion coef

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3827753497aa49cb6d7f1c402c915ae
https://doi.org/10.1002/pol.1983.180210705

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Polymerization of vinyl fluoride initiated by the system silver nitrate–tetraethyl lead

Autor: Arieh Demiel, Daniel Raucher, David Vofsi, Moshe Levy

Publikováno v: Journal of Polymer Science: Polymer Chemistry Edition. 17:2825-2832

The initiator system AgNO3–tetraethyl lead was used for the polymerization of vinyl fluoride. Dimethyl sulfoxide was found to have a specific effect on the half-life of the initiating system, which leads to long reaction times and high conversions

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c7aaf2722239095906b488ff3c418514
https://doi.org/10.1002/pol.1979.170170919

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