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  • 1
    Electronic Resource
    Electronic Resource
    Korrosionsprüfung an Rohrleitungen mit ShearografieVortrag, gehalten auf dem Querschnittseminar „Korrosionsüberwachung mit ZfP“ der DGZfP, Berlin, 28.-29. November 1994. (1995)
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 46 (1995), S. 410-413 
    Details
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Corrosion inspection on pipelines with shearographyPipelines can be inspected quickly and reliably on inner corrosion by means of laser shearography. During pressure change in the pipe shearography measures all strain concentrations on the surface of the pipe. As corrosion leads to local wall thinnings inside the pipes these areas will expand more than non corroded areas and thus be indicated by shearography from the outside of the pipe. In this paper important features and conditions are described for application of this technique for inspection in power plants. It is reported about experience on practical inspection tasks. Latest developments enable numerical data processing and graphical and coloured data presentation for easier defect recognition.
    Notes: Mit Lasershearografie können Rohrleitungen schnell und zuverlässig auf innenliegende Korrosionsstellen und Fehler überprüft werden. Dabei werden alle Stellen an der Rohroberfläche angezeigt, die bei einer Innendruckbelastung gegenüber ihrer Umgebung erhöhte Biegedehnungswerte aufweisen. Die wichtigsten Eigenschaften und Randbedingungen für den Einsatz des Verfahrens werden dargestellt. Es wird über Erfahrungen bei praktischen Prüfeinsätzen in Kraftwerken berichtet und verschiedene Einsatzmöglichkeiten im Kraftwerksbereich werden aufgezeigt. Außerdem werden neue Entwicklungen dieser Prüftechnik vorgestellt, die eine einfachere und zuverlässigere Fehlerkennung durch numerische Datenaufbereitung und grafische und farbliche Darstellungen gewährleisten.
    Additional Material: 7 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/maco.19950460705
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  • 2
    Electronic Resource
    Electronic Resource
    Preparation of (AB)n-type block copolymers by use of polyazoesters (1978)
    New York : Wiley-Blackwell
    Journal of Polymer Science: Polymer Chemistry Edition 16 (1978), S. 1807-1814 
    Details
    ISSN: 0360-6376
    Keywords: Physics ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Polyesters of the formula, [(OR)n—O—CO—C(CH3)2—N=N—C(CH3)2—CO]m, where (OR)n are poly(ethylene oxide), Poly(propylene oxide), or PTHF units, were used to prepare block copolymers with styrene. Ester and ether groups were cleaved with HI, NaOCH3, and diisobutylaluminum hydride. The resulting polystyrene is telechelic with two COOH and OH groups, respectively. The number of styrene blocks per polymer molecule is 3-4.
    Additional Material: 1 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/pol.1978.170160804
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  • 3
    Electronic Resource
    Electronic Resource
    Auslegung von Reaktoren zur katalytischen Abgasreinigung: Experimentelle und rechnerische UntersuchungenHerrn Professor Dr. Herbert Grünewald zum 60. Geburtstag (1981)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 53 (1981), S. 637-640 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330530812
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  • 4
    Electronic Resource
    Electronic Resource
    Monomeric and polymeric azoinitiators (1977)
    New York : Wiley-Blackwell
    Die Makromolekulare Chemie 178 (1977), S. 2527-2534 
    Details
    ISSN: 0025-116X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Notes: The reaction of ethylene glycol, 1,4-butanediol, 1,6-hexanediol, 3,6-dioxaoctane-1,8-diol (triethylene glycol), poly(ethylene oxide)s with M̄n = 300,1000 and 3000, or with poly(propylene oxide)s with M̄n = 425 and 2000 in excess with AIBN leads to the corresponding bis(hydroxyalkyl) 2,2′-azodiisobutyrates (1a-i). These initiators are suited to synthesize telechelics. With equimolar amounts of AIBN and 3-oxapentane-1,5-diol (diethylene glycol), poly(ethylene oxide)s with M̄n = 300, 1000 and 12000, poly(propylene oxide) with M̄n = 425, or with poly(tetrahydrofuran) with M̄n = 1000 and 2000 polymeric azoinitiators of structure 2 are formed. Blockcopolymers may be synthesized by means of these polymeric azocompounds.
    Additional Material: 8 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/macp.1977.021780904
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  • 5
    Electronic Resource
    Electronic Resource
    Equilibrium studies on neutral red-DNA bindingA preliminary account of this work was presented in September, 1974, at the 168th National ACS Meeting in Atlantic City, New Jersey. (1975)
    New York : Wiley-Blackwell
    Biopolymers 14 (1975), S. 825-837 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Spectrophotometric binding studies were undertaken on the interaction of neutral red with native and heat-denatured, sonicated, calf thymus DNA in a 0.2M ionic strength buffer containing Tris-sodium acetate-potassium chloride at 25°C. The pKA of neutral red was found to be 6.81. At pH 5 the binding of protonated neutral red was complicated even at low concentration ratios of dye to DNA. In the pH range 7.5-8.5 the tight binding process could be studied and it was found that both protonated and free base species of neutral red significantly bind with DNA having association constants (in terms of polynucleotide phosphate) of 5.99 × 103 M-1 and 0.136 × 103 M-1, respectively, for native DNA and 7.48 × 103 M-1 and 0.938 × 103 M-1, respectively, for denatured DNA. The pKA value of the neutral red-DNA complexes were 8.46 for native DNA and 7.72 for denatured DNA. These results are discussed in terms of possible binding mechanisms.
    Additional Material: 10 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.1975.360140411
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  • 6
    Electronic Resource
    Electronic Resource
    Rapid kinetic studies on the conformation of single-stranded DNA (1972)
    New York : Wiley-Blackwell
    Biopolymers 11 (1972), S. 2365-2379 
    Details
    ISSN: 0006-3525
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The conformational states of single-stranded calf thymus DNA were probed using the tmeperature-jump kinetic technique. A rapid decrease in transmission at 260 nm followed by a broad relaxation spectrum was observed for single-stranded DNA at 0.15M KCI, pH, 6.5 at 25°. The relaxation spectrum could also be detected as a hydrogen ion release. Sonicated samples of 103,000 daltons showed identical relaxation kinetics as unsonicated samples. The relaxation kinetics were studied as a function of temperature, pH, and salt concentration and could be interpreted as representing the melting of short, isolated folded segments. The rapid process that could not be kinetically resolved is interpreted as single-strand unstacking. Upon the addition of excess MgCl2 at pH 7.0, a hydrogen ion release from single-stranded DNA was observed that was 3.5 times greater than that observed for a comparable sample of native DNA. Evidence is presented which indicates that charge-pairs exist in folded segments that are A-T rich. There was no kinetic evidence of structures in single-stranded DNA other than single-stranded stacking and short isolated folded regions.
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/bip.1972.360111115
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  • 7
    Electronic Resource
    Electronic Resource
    Naßoxidation von halogenhaltigen Industrieabwässern (1982)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 54 (1982), S. 692-693 
    Details
    ISSN: 0009-286X
    Keywords: Naßoxidation ; Chemieabwässer ; Abwasserentsorgung ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330540717
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  • 8
    Electronic Resource
    Electronic Resource
    Catalytic Incineration for Control of Volatile Organic Compound Emissions. Von M. S. Jennings et al. Noyes Publications, Park Ridge 1985. 251 S., zahlr. Abb. u. Tab., geb., $ 36, - (1986)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 58 (1986), S. 356-356 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330580428
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  • 9
    Electronic Resource
    Electronic Resource
    Abwasserreinigung durch Naßoxidation: Kosten des VerfahrensVortrag auf dem Jahrestreffen der Verfahrens-Ingenieure, 1. bis 3. Oktober 1980 in Straßburg. (1981)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 53 (1981), S. 295-295 
    Details
    ISSN: 0009-286X
    Keywords: Naßoxidation ; Zimmermann-Prozeß ; Kosten ; Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330530419
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  • 10
    Electronic Resource
    Electronic Resource
    Meß- und Dosiertechnik beim Betrieb von MiniplantsVortrag auf dem Jahrestreffen der Verfahrens-Ingenieure, 27. bis 29. Sept. 1989 in Berlin. (1990)
    Weinheim : Wiley-Blackwell
    Chemie Ingenieur Technik - CIT 62 (1990), S. 453-457 
    Details
    ISSN: 0009-286X
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Measuring and metering technology in the operation of mini-plants. The technology of measuring and metering in mini-plants differs considerably from that in production plants. The number of measuring points is greater, the process control system has to be more flexible, and the actuators, sensors, and metering devices require small construction methods. Examples taken from the author's experience serve to illustrate this situation.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/cite.330620604
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