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  • Polymer and Materials Science  (3)
  • Animals  (2)
  • 550 - Earth sciences  (1)
  • 2020-2022
  • 1995-1999  (6)
  • 1945-1949
  • 1940-1944
  • 1935-1939
Collection
Keywords
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Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    In situ FTIR investigation of MMA plasmas, plasma-polymerized films, and reaction mechanisms (1998)
    Bognor Regis [u.a.] : Wiley-Blackwell
    Journal of Polymer Science Part A: Polymer Chemistry 36 (1998), S. 587-602 
    Details
    ISSN: 0887-624X
    Keywords: plasma polymerization ; methyl methacrylate ; in situ FTIR/ATR diagnostic ; in situ FTIR plasma diagnostic ; analysis of variance ; regression analysis ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Methyl methacrylate (MMA) plasmas and plasma-polymerized methyl methacrylate (PPMMA) films were studied in situ with FTIR and FTIR/ATR (attenuated total reflection) in an r.f. capacitively coupled glow discharge. A statistically designed experiment was conducted by varying the r.f. power, process pressure, and MMA flow rate. MMA plasma fragments were identified from the gas-phase FTIR measurements. They include the intermediate species such as dimethylketene, formaldehyde, allene, and propene; small hydrocarbons such as acetylene, methane, and ethylene; and oxygenates such as carbon dioxide, carbon monoxide, and methanol. Statistical analysis techniques (correlation analysis, analysis of variance and regression analysis) were used on both gas and film data. Gas-phase reaction mechanisms are proposed, and the relationship between the gas and film data is investigated to understand the film deposition chemistry. The deposition rate is positively correlated to the relative concentrations of MMA fragments which are identified as the major film precursors in the deposition process. © 1998 John Wiley & Sons, Inc. J Polym Sci A: Polym Chem 36: 587-602, 1998
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
  • 2
    Electronic Resource
    Electronic Resource
    Spectral narrowing in optically pumped poly (p-phenylenevinylene) FilmsWe thank Cambridge Display Technology (CDT) for supplying the PPV precursor used in this research. This work is supported by the Engineering and Physical Sciences Research Council, and is part of a collaborative program with the chemistry group of A. B. Holmes and S. C. Moratti in Cambridge. (1997)
    Weinheim : Wiley-Blackwell
    Advanced Materials 9 (1997), S. 547-551 
    Details
    ISSN: 0935-9648
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/adma.19970090705
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  • 3
    Electronic Resource
    Electronic Resource
    Computer simulation of high-speed spinning of PETThis article is based on the thesis of Jeffrey S. Denton, North Carolina State University (1993). (1995)
    New York, NY [u.a.] : Wiley-Blackwell
    Journal of Applied Polymer Science 57 (1995), S. 939-951 
    Details
    ISSN: 0021-8995
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: An interactive computer simulation of the steady-state melt spinning of poly(ethylene terephthalate) was developed based upon a combination of physical laws and empirical relationships. The simulation incorporates crystallization effects which makes it valid for a wide range of take-up speeds. Modifications to the conventional threadline that allow judicious control over the threadline dynamics were modeled and included in the simulation for exploration of the effects of these perturbations. The modifications include quenching and on-line zone heating. The simulation was verified using experimental measurements of threadline diameter, velocity, and temperature at 3000, 4000, 5000, and 6000 m/min take-up. Off-line measurements of crystallinity and birefringence were also compared with the values calculated by the simulation at these speeds. © 1995 John Wiley & Sons, Inc.
    Additional Material: 20 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/app.1995.070570806
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  • 4
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    Beetle juice (1998)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1998-09-12
    Description: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Denton, F R 3rd -- New York, N.Y. -- Science. 1998 Aug 28;281(5381):1285.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/9735041" target="_blank"〉PubMed〈/a〉
    Keywords: Animals ; Beetles/*chemistry/metabolism ; Chemistry, Pharmaceutical ; *Flavonoids ; Phenols/chemistry ; Plants/*chemistry ; Polyamines/*chemistry ; Polymers/chemistry ; Polyphenols ; Pupa/chemistry/metabolism ; Terpenes/chemistry
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 5
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    Mutations in the dystrophin-associated protein gamma-sarcoglycan in chromosome 13 muscular dystrophy (1995)
    American Association for the Advancement of Science (AAAS)
    Details
    Publication Date: 1995-11-03
    Description: Severe childhood autosomal recessive muscular dystrophy (SCARMD) is a progressive muscle-wasting disorder common in North Africa that segregates with microsatellite markers at chromosome 13q12. Here, it is shown that a mutation in the gene encoding the 35-kilodalton dystrophin-associated glycoprotein, gamma-sarcoglycan, is likely to be the primary genetic defect in this disorder. The human gamma-sarcoglycan gene was mapped to chromosome 13q12, and deletions that alter its reading frame were identified in three families and one of four sporadic cases of SCARMD. These mutations not only affect gamma-sarcoglycan but also disrupt the integrity of the entire sarcoglycan complex.〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Noguchi, S -- McNally, E M -- Ben Othmane, K -- Hagiwara, Y -- Mizuno, Y -- Yoshida, M -- Yamamoto, H -- Bonnemann, C G -- Gussoni, E -- Denton, P H -- Kyriakides, T -- Middleton, L -- Hentati, F -- Ben Hamida, M -- Nonaka, I -- Vance, J M -- Kunkel, L M -- Ozawa, E -- NS23740/NS/NINDS NIH HHS/ -- P01-NS26630/NS/NINDS NIH HHS/ -- New York, N.Y. -- Science. 1995 Nov 3;270(5237):819-22.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉National Institute of Neuroscience, National Center for Neurology and Psychiatry, Tokyo, Japan.〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/7481775" target="_blank"〉PubMed〈/a〉
    Keywords: Amino Acid Sequence ; Animals ; Base Sequence ; Chromosome Mapping ; *Chromosomes, Human, Pair 13 ; *Cytoskeletal Proteins ; DNA, Complementary/genetics ; Dystrophin/chemistry/genetics/metabolism ; Humans ; Linkage Disequilibrium ; Membrane Glycoproteins/chemistry/*genetics/metabolism ; Molecular Sequence Data ; Molecular Weight ; Muscle, Skeletal/chemistry/metabolism ; Muscular Dystrophies/*genetics ; Mutation ; Phenotype ; Rabbits ; Sarcoglycans ; Sequence Deletion
    Print ISSN: 0036-8075
    Electronic ISSN: 1095-9203
    Topics: Biology , Chemistry and Pharmacology , Computer Science , Medicine , Natural Sciences in General , Physics
    Published by American Association for the Advancement of Science (AAAS)
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  • 6
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    Preliminary results from a passive seismic array over the Chicxulub impact structure in Mexico (1998)
    In:  Meteorites: flux with time and impact effects | Geological Society special publication ; 140
    Details
    Publication Date: 2020-02-12
    Description: A passive, 20-element, short-period (1 Hz) and broadband seismic array was deployed over the Chicxulub impact structure for c. 100 days in early 1996. The principal objective was to study the shear-wave anisotropy associated with the structure; in particular, to determine the presence (or absence= of radial symmetry which will allow comment on the time variance of that anisotropy. A total of 15 teleseismic, 75 regional, and 100 local events were recorded. Preliminary results from studies of the surface-wave dispersion of the local events, and a receiver function analysis of a single teleseismic event are reported here. Thirty local events have been located, a number of which originated from quarries within the array. Analysis of seismograms from three of these events demonstrates a bimodal distribution; those whose ray-paths cross the outer part of the impact structure show a strong inverse produced by the sedimentary depositional environment, with deeper water sedimentation in the outer part of the post-impact crater basin and shallower water sedimentation over the upraised peak-ring block at the centre. Receiver functions derived for an event originating in Peru are dominated by an efficient mode conversion, simply modelled as a P-S multiple from the base Tertiary boundary. This shows a strong correlation with distance from the centre of the impact structure and implies it has an S-wave radial symmetry. The multiple also has a variable delay probably related to the depth of the conversion boundary. Unfortunately, the Moho conversion occurs at almost exactly the same time as this surface layer sediment multiple, restricting any modelling of Moho topography and its influence on the receiver functions.
    Keywords: 550 - Earth sciences
    Type: info:eu-repo/semantics/bookPart
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