Library

X
feed icon rss

Your email was sent successfully. Check your inbox.

An error occurred while sending the email. Please try again.

Proceed reservation?

Export
Filter
  • 1985-1989  (7)
  • 1975-1979
  • 1987  (7)
  • 1
    Electronic Resource
    Electronic Resource
    High-temperature pyrolysis of toluene (1987)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 91 (1987), S. 2148-2154 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100292a034
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    Separation of ceramic particles from aluminium metal-ceramic composites (1987)
    Springer
    Journal of materials science 22 (1987), S. 962-964 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract An improved method for separation and quantitative analysis of ceramic particles in aluminiumceramic mixture and cast materials is given. The mixture containing H2SO4, HNO3 and HCI has been found to be most efficient in the separation process. Mixtures containing other acids have been shown to be unsuitable. Optical and scanning electron micrographs of acid-treated aluminium-graphite and talc samples are presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01103536
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 3
    Electronic Resource
    Electronic Resource
    Effect of thermal and chemical treatments on carbon and silica contents in rice husk (1987)
    Springer
    Journal of materials science 22 (1987), S. 2457-2464 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract Thermal treatment of rice husk has been conducted up to 1000° C in air, oxygen, argon and non-oxidizing atmospheres. Chemical treatments consisted of HCI, H2SO4, HNO3, NaOH and NH4OH. Purity, particle size distribution and SEM micrographs of chemically treated samples are presented. Carbon and SiO2 contents in rice husk, coked at different temperatures and time, have been determined to show that a C : SiO2 ratio of 2:1, required for the production of solar grade silicon, can be achieved at low temperature. SiO2 of 99% purity can be obtained by acid leaching. The results have been interpreted in terms of two types of bonding of silicon, a rigid structural framework, and selective sites for the preferential attack of acid and alkali in rice husk.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01082130
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 4
    Electronic Resource
    Electronic Resource
    Preparation and evaluation of 99mTc(V)-DMSA complex: Studies in medullary carcinoma of thyroid (1987)
    Springer
    European journal of nuclear medicine 12 (1987), S. 623-628 
    Details
    ISSN: 1619-7089
    Keywords: 99mTc(V)-DMSA ; Medullary carcinoma ; Tumour imaging
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Consequent to the promising results reported with 99mTc(V)-DMSA for imaging certain types of soft tissue tumors, we have developed methods to prepare this radiopharmaceutical in three ways:-(i) from freshly prepared reagents, (ii) through the use of a two component kit and (iii) use of the standard renal DMSA kit by a modified recipe. The 99mTc(V)-DMSA complex has been subjected to paper electrophoretic and chromatographic procedures and also biodistribution studies. The distinctly different behaviour of this new product compared to that of the well known renal DMSA complex has been clearly established. Scintiimaging in a preliminary clinical trial in patients with medullary carcinoma of the thyroid has been encouraging.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00284540
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 5
    Electronic Resource
    Electronic Resource
    Morphology of solution crystallized trans-1,4-polyisoprene (1987)
    Springer
    Colloid & polymer science 265 (1987), S. 592-596 
    Details
    ISSN: 1435-1536
    Keywords: Morphology ; crystallization ; singlecrystal ; trans-1 ; 4-polyisoprene
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The film formation method has been successfully used to grow single crystals and other complex morphological features of low melting form (LMF) and high melting form (HMF) of trans-1,4-polyisoprene (TPIP). Below 40 °C dilute amyl acetate solution gave hexagonal shaped LMF crystals. Thick and elongated hexagonal shaped morphology was shown by HMF crystals at temperatures above 40 °C. Straight faces and sharp corners of the single crystals, and also of complex crystals, acquired round shapes when highly polydispersed TPIP was used for crystallization.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01412774
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 6
    Electronic Resource
    Electronic Resource
    Thermal behaviour of starches and their graft copolymers with polyacrylonitrile (1987)
    Weinheim : Wiley-Blackwell
    Angewandte Makromolekulare Chemie 150 (1987), S. 45-64 
    Details
    ISSN: 0003-3146
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Physics
    Description / Table of Contents: Es wurde das thermische Verhalten von 12 verschiedenen Stärken und ihren Pfropfcopolymeren mit Polyacrylnitril (PAN) aus dem nativen und gelierten Zustand mit Hilfe der Differentialkaloriemetrie (DSC) und der Rasterelektronenmikroskopie (REM) untersucht. Alle Stärken wiesen zwei endotherme Peaks bei etwa 65 und 260°C und einen exothermen Peak bei ca. 335°C auf. Das Pfropfcopolymere aus nativer Stärke zeigt einen schwachen endothermen Peak um 65°C und einen exothermen bei 300°C, während gelierte Stärke den charakteristischen exothermen Peak von Polyacrylnitril bei 250°C zusammen mit dem exothermen Peak des Propfproduktes bei 300°C aufweist. Um die endothermen Peaks der Stärke bei 65 und 265°C aufzuklären, wurden REM Untersuchungen durchgeführt. Der erste Peak läßt sich durch Dehydratation beim Erhitzen erklären, während der zweite dem Aufschmelzen von Kristalliten in der Stärke zuzuschreiben ist. Eine spezifische Eigenschaft der Hülsenfruchtstärken ist das Festhalten von Feuchtigkeit, selbst wenn sie im gelierten Zustand gepfropft wurden.
    Notes: Thermal behaviour of twelve different starches and their graft copolymers with polyacrylonitrile (PAN) from granular and gelatinized state, has been examined by differential scanning calorimetry (DSC) and scanning electron microscopy (SEM). All the starches exhibit two endotherms around 65 and 260°C and an exotherm around 335°C. The graft copolymer from granular starch shows a weak endotherm around 65°C and an exotherm around 300°C, while gelatinized starch exhibits the characteristic exotherm of PAN at about 250°C along with the exotherm of graft product at 300°C. Scanning electron microscopic studies were carried out to explain the endotherms of starch at 65°C and 265°C. The former one may be due to heat of dehydration while the latter one is attributed to the fusion of crystallites in the starch. Legumine starches seem to have a specific property of retaining moisture even if they are grafted in gelatinized state.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/apmc.1987.051500105
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
  • 7
    Electronic Resource
    Electronic Resource
    SEM studies on silica from plant materials (1987)
    New York, NY [u.a.] : Wiley-Blackwell
    X-Ray Spectrometry 16 (1987), S. 57-60 
    Details
    ISSN: 0049-8246
    Keywords: Chemistry ; Analytical Chemistry and Spectroscopy
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Physics
    Notes: The Silica structural framework in plant materials can be separated from the organic part by acid leaching and can be examined by SEM. Scanning electron micrographs characterizing the bonding and distribution patterns of silica in rice husk, rice straw and sugarcane leaves are presented. The differences in the surface morphology of the three plant products are discussed.
    Additional Material: 12 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/xrs.1300160204
    Library Location Call Number Volume/Issue/Year Availability
    BibTip Others were also interested in ...
    Paper (German National Licenses)
    Fulltext
Close ⊗
This website uses cookies and the analysis tool Matomo. More information can be found here...