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  • 1
    Digitale Medien
    Digitale Medien
    Early Viral Proteins As Autoantigens (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 540 (1988), S. 0 
    Details
    ISSN: 1749-6632
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Allgemeine Naturwissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1749-6632.1988.tb27206.x
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  • 2
    Digitale Medien
    Digitale Medien
    Radikalische Copolymerisation von p-Chlorstyrol und n-Butylmethacrylat (1986)
    Springer
    Colloid & polymer science 264 (1986), S. 494-497 
    Details
    ISSN: 1435-1536
    Schlagwort(e): Radikalische Massecopolymerisation ; Copolymerisationsparameter ; Fineman-Ross ; Kelen-Tüdös ; Run Number
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau
    Beschreibung / Inhaltsverzeichnis: Abstract The radical copolymerization of p-chlorostyrene (1) with n-butylmethacrylate (2) was studied at low conversions in bulk at 60
    Notizen: Zusammenfassung Die Copolymerisation von p-Chlorstyrol (1) mit n-Butylmethacrylat (2) wurde in Masse bei 60
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01422002
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  • 3
    Digitale Medien
    Digitale Medien
    Relationship between directed visual attention and saccadic reaction times (1988)
    Springer
    Experimental brain research 73 (1988), S. 546-552 
    Details
    ISSN: 1432-1106
    Schlagwort(e): Attention ; Fixation ; Saccades ; Saccadic reaction times
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Summary Saslow (1967) and Fischer and Ramsperger (1984) found that saccadic reaction time (SRT) depends on the interval between the fixation point offset and the target onset. Using a continuously visible fixation point, we asked whether a similar function would be obtained if subjects attended to a peripherally viewed point extinguished at variable intervals before or after the target onset. The interval was varied between -500ms (i.e., attention stimulus offset after saccade target onset = overlap trials) and 500ms (i.e., attention stimulus offset before saccade target onset = gap trials). The results show a constant mean SRT of about 240 ms for overlap trials, and a U-shaped function with a minimum of 140 ms, at a gap duration of 200 ms, for gap trials. These findings suggest that saccadic latencies do not depend on the cessation of fixation per se, but rather on the disengagement of attention from any location in the visual field. The time required for subjects to disengage their attention is approximately 100 ms. This disengaged state of attention — during which short latency (express) saccades can be made — can be sustained only for a gap duration of 300 ms. At longer gap durations mean SRTs increase again.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00406613
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  • 4
    Digitale Medien
    Digitale Medien
    Temperaturabhängige Infrarot-Absorptionsbanden des kristallisierten isotaktischen Polystyrols (1959)
    Springer
    Naturwissenschaften 46 (1959), S. 444-444 
    Details
    ISSN: 1432-1904
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie , Allgemeine Naturwissenschaft
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00684321
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  • 5
    Digitale Medien
    Digitale Medien
    Untersuchungen zur Korrosion durch Kunststoffschmelzen an verschiedenen wärmebehandelten Werkzeugstählen mittels ESCA, AES und SIMS (1987)
    Springer
    Fresenius' Zeitschrift für analytische Chemie 329 (1987), S. 311-322 
    Details
    ISSN: 1618-2650
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie
    Notizen: Summary The processing of synthetic material by injection molding machines and extruders produce wear on metal surfaces being in contact with the synthetic material. The corrosion in the melting areas of such machines depends on the chemical and morphological properties of the steel surface. The processing generates chemical changes which can be monitored by means of surface analysis methods. We examined different steels — containing Cr, Mo and V — which were corroded by various melts of synthetic materials. AES, ESCA and SIMS measurements show that some components especially chromium, play a key role for the corrosion process. Corrosion at the surface causes changes of the chemical composition along varying depths (100 – 300 Å). The knowledge of the correlation between chemical changes and surface properties will be helpful for choosing adequate alloys for synthetic material processing machines.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00469162
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  • 6
    Digitale Medien
    Digitale Medien
    Free radical copolymerization of 1-vinyl naphthalene with styrene, methyl methacrylate, and acrylonitrile (1989)
    Springer
    Colloid & polymer science 267 (1989), S. 1096-1100 
    Details
    ISSN: 1435-1536
    Schlagwort(e): Freeradicalcopolymerization ; 1-vinyl-naphtalene ; styrene ; methylmetha-crylate ; acrylonitril ; relativereactivity ratios ; Q- ande-values
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau
    Notizen: Abstract Investigations on free radical copolymerization of 1-vinyl naphthalene (1-VNph, monomerM 2) with styrene (St), methyl methacrylate (MMA) and acrylonitrile (AN) (monomersm 1) in bulk at 60°C with AIBN as initiator are presented. Relative reactivity ratios were calculated by the Kelen-Tüdös method yielding:r st=0.70 ±0.23 andr 1−VNph=2.02 ±0.40 for system St/1-VNph;r MMA=0.32 ±0.10 andr 1−VNph=0.57 ±0.07 for system MMA/1-VNph andr AN=0.11 ±0.03 andr 1−VNph=0.45 ±0.09 for system AN/1-VNph.Q, e values for 1-VNph according to Alfrey, Price scheme were calculated toQ 1−VNph=1.02,e 1−VNph=−0.62.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01496929
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  • 7
    Digitale Medien
    Digitale Medien
    Monocyte functional studies in asymptomatic, human immunodeficiency disease virus (HIV)-infected individuals (1988)
    Springer
    Journal of clinical immunology 8 (1988), S. 486-494 
    Details
    ISSN: 1573-2592
    Schlagwort(e): Monocytes ; human immunodeficiency disease virus (HIV) ; lymphokine-activated killer (LAK) cells
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Various aspects of monocyte-associated function were evaluated in the peripheral blood mononuclear cells of male homosexuals who were infected with the human immunodeficiency disease virus (HIV). The functional assessments included indomethacin-sensitive regulation of blastogenesis and lymphokine-activated killer (LAK)-cell induction, chemiluminescent responses of mononu-clear leukocytes to opsonized zymosan, and the expression of HLA-DR antigen on CD-14-positive monocytes. The results obtained demonstrate that each of these functions is abnormal in asymptomatic individuals who have HIV core antigen (p24) in their circulation. These results suggest that monocyte abnormalities which could contribute to immune dysfunction in HIV-infected patients can be detected early during the course of HIV infection and are associated with the expression of serum HIV antigen.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00916955
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  • 8
    Digitale Medien
    Digitale Medien
    Book reviews (1988)
    Springer
    Colloid & polymer science 266 (1988), S. 97-99 
    Details
    ISSN: 1435-1536
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01451537
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  • 9
    Digitale Medien
    Digitale Medien
    ATR-FTIR spectroscopy as a tool for studies of polymer-polymer miscibility (1989)
    Springer
    Polymer bulletin 21 (1989), S. 63-68 
    Details
    ISSN: 1436-2449
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau , Physik
    Notizen: Summary Attenuated total reflection Fourier transform infrared (ATR-FTIR) spectroscopy is a useful technique for studies on specific interactions between polymers in miscible blends. The application of ATR-FTIR spectroscopy is demonstrated for blends of chlorine containing vinylpolymers of varying chlorine content with different polycarbonates. The miscibility is correlated to specific interactions between polar groups, leading to shifts of the infrared absorption bands.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00700270
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  • 10
    Digitale Medien
    Digitale Medien
    Assignment of UV-absorption maxima of degraded PVC (1985)
    Springer
    Polymer bulletin 14 (1985), S. 39-43 
    Details
    ISSN: 1436-2449
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau , Physik
    Notizen: Summary UV-spectra of degraded PVC are put together in a complicated but surveyable way by superposition and deletion of the a-, b-, c-, and d-absorptions of individual polyenes. The existing conception according to which all maxima are based on the most intensive longest-wave d-absorption of a definite polyene sequence could not be confirmed. It has been established that all spectra are showing clearly two additional maxima resulting from a superposition of other polyene absorptions. Thus, counting all maxima for d-absorptions, in the literature a wrong assignment of the UV-maxima to the individual polyenes is reported. Furtheron, it is shown that the frequency distribution of the polyene sequence length is not influenced by the extent of PVC-degradation, but is mainly depending on the degradation temperature.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00254913
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