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  • Articles  (33)
  • Springer  (33)
  • American Society of Hematology
  • Geological Society of America (GSA)
  • 2015-2019  (4)
  • 2010-2014  (11)
  • 2000-2004  (9)
  • 1995-1999  (8)
  • 1950-1954  (1)
  • Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics  (19)
  • Chemistry and Pharmacology  (15)
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  • Articles  (33)
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  • 1
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    Synchrotron X-ray diffraction and fluorescence study of the astrolabe (2012)
    Springer
    Details
    Publication Date: 2012-12-12
    Print ISSN: 0947-8396
    Electronic ISSN: 1432-0630
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Published by Springer
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    PAPER CURRENT
  • 2
    Electronic Resource
    Electronic Resource
    In-situ scanning tunnelling microscopy of hydrogenated amorphous silicon and microcrystalline silicon (1998)
    Springer
    Applied physics 66 (1998), S. 1101-1105 
    Details
    ISSN: 1432-0630
    Keywords: PACS: 68.55; 72.20; 81.10
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s003390051305
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  • 3
    Electronic Resource
    Electronic Resource
    UV spectroscopy of metal volatilization during thermal plasma processing of waste glass melts (1996)
    Springer
    Plasma chemistry and plasma processing 16 (1996), S. 449-460 
    Details
    ISSN: 1572-8986
    Keywords: Spectroscopy ; volatilization ; iron ; nickel ; chromium ; waste vitrification
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Technology
    Notes: Abstract Atomic emission spectroscopy (AES) is used to monitor volatilization during waste vitrification with thermal plasmas. Model baste specimens consist of am alumino-silicate clay spiked with 10 wt. % Fe, Ni, or Cr. Specimens are vitrified in processing atmospheres with 0, 8.5, and 17 vol. % oxygen/argon concentrations. Particulate generated from condensation of the volatilized materials is collected following each specimen run and analyzed by energy dispersive X-ray analysis to determine composition. Spectra are collected from the ultraviolet range 240–380 nm in where the presence of metal vapor is readily detected. Correlation between line emission intensities and volatilization rates allows the establishment of provisional detection limits for the volatilization of Ni, Cr, Si, and Fe, of 1 × 103 g/s, 4 × 104 g/s, 2 × 104 g/s, and 5 × 105 g/s, respectively. The results of this investigation support the concept of using AES as an in-situ process monitor for feedback to optimize plasma processing of hazardous metal-containing waste.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01447155
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  • 4
    Electronic Resource
    Electronic Resource
    Hydrogen plasma transport and deposition of films from a solid boron source (1997)
    Springer
    Journal of materials science 32 (1997), S. 3277-3282 
    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 Thin boron films were produced on Si substrates from a solid boron source and a hydrogen plasma. The plasma was generated using a 13.56 MHz generator and films were deposited with a forward radio frequency (RF) power of 2.0 kW. At pressures from 0.931–2.26×102 Pa under high hydrogen concentrations a capacitively coupled plasma (CCP) was observed whereas at low hydrogen concentrations an inductively coupled plasma (ICP) was observed. The films were predominantly deposited with an ICP but in one case a film was deposited using a CCP discharge. The deposited films consisted primarily of boron, but they also contained oxygen and silicon. The films were amorphous at 225 and 350°C, but revealed X-ray diffractions at 475°C. It was concluded that the hydrogen concentration, RF plasma power and surface temperature as well as the plasma-boron source interactions strongly influenced the film thickness and composition.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1018631608153
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  • 5
    Electronic Resource
    Electronic Resource
    The porosity dependence of flexural modulus and strength for capsule-free hot isostatically pressed porous alumina (2000)
    Springer
    Journal of materials science 35 (2000), S. 1205-1211 
    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 Structural properties such as flexural moduli and strength have been measured for a range of porous alumina specimens of different initial powder sizes and final porosities, sintered using the capsule-free hot isostatic pressing method. This processing method produces a porous body in which the closed porosity is negligible. The relationship of these structural properties to total porosity has been investigated. The results indicate that both a power and an exponential function could adequately describe the porosity dependence of flexural strength. The strength values obtained were test method dependent, and were significantly lower for specimens with sintering aids. A power law model based on a critical porosity, as proposed by Phani, gave the best fit for the modulus measurement data. No dependence of mechanical properties on particle size was observed. The strength measurement results did not appear to support suggestions that better strength could be obtained by the capsule-free hot isostatic pressing method than conventional sintering, as reported elsewhere.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004792605528
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  • 6
    Electronic Resource
    Electronic Resource
    Metal co-injection moulding (1996)
    Springer
    Journal of materials science 15 (1996), S. 2033-2035 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00278613
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  • 7
    Electronic Resource
    Electronic Resource
    Effects of Barbiturates on Facilitative Glucose Transporters are Pharmacologically Specific and Isoform Selective (1999)
    Springer
    The journal of membrane biology 169 (1999), S. 45-53 
    Details
    ISSN: 1432-1424
    Keywords: Key words: Barbiturates — Glucose transport — Anesthetics — Pharmacologic specificity — Isoform selectivity — Binding
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract. Barbiturates inhibit GLUT-1-mediated glucose transport across the blood-brain barrier, in cultured mammalian cells, and in human erythrocytes. Barbiturates also interact directly with GLUT-1. The hypotheses that this inhibition of glucose transport is (i) selective, preferring barbiturates over halogenated hydrocarbon inhalation anesthetics, and (ii) specific, favoring some GLUT-# isoforms over others were tested. Several oxy- and thio-barbiturates inhibited [3H]-2-deoxyglucose uptake by GLUT-1 expressing murine fibroblasts with IC50s of 0.2–2.9 mm. Inhibition of GLUT-1 by barbiturates correlates with their overall lipid solubility and pharmacology, and requires hydrophobic side chains on the core barbiturate structure. In contrast, several halogenated hydrocarbons and ethanol (all ≤10 mm) do not significantly inhibit glucose transport. The interaction of these three classes of anesthetics with purified GLUT-1 was evaluated by quenching of intrinsic protein fluorescence and displayed similar specificities and characteristics. The ability of barbiturates to inhibit other facilitative glucose transporters was determined in cell types expressing predominantly one isoform. Pentobarbital inhibits [3H]-2-deoxyglucose and [14C]-3-O-methyl-glucose uptake in cells expressing GLUT-1, GLUT-2, and GLUT-3 with IC50s of ∼1 mm. In contrast, GLUT-4 expressed in insulin-stimulated rat adipocytes was much less sensitive than the other isoforms to inhibition by pentobarbital (IC50 of 〉10 mm). Thus, barbiturates selectively inhibit glucose transport by some, but not all, facilitative glucose transporter isoforms.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/PL00005900
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  • 8
    Electronic Resource
    Electronic Resource
    Supersolidus liquid phase sintering of moulded metal components (1998)
    Springer
    Journal of materials science 33 (1998), S. 5131-5136 
    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 The influence of supersolidus liquid phase sintering (SLPS) on the density of sintered components manufactured using a Ni-base superalloy powder (N18) has been studied. A compression moulding technique was employed to simulate the metal injection moulding (MIM) process using coarse N18 powder, with a particle size distribution of 40–63 μm, as opposed to fine powders of less than 10μm normally used in conventional MIM. The study has demonstrated how the problem of low sintered density, encountered in solid-state sintering using coarse powders, can been overcome by SLPS and that the sintered densities of the N18 powder via the moulding process route were comparable with those produced by conventional die pressing and sintering.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004463432744
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  • 9
    Electronic Resource
    Electronic Resource
    Reactive plasma spraying of 80/20 nickel-chromium powders (1998)
    Springer
    Journal of materials science 17 (1998), S. 377-379 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006574831758
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  • 10
    Electronic Resource
    Electronic Resource
    Assessing the conditions forin vivo electrical virtual biopsies in Barrett's oesophagus (2000)
    Springer
    Medical & biological engineering & computing 38 (2000), S. 373-376 
    Details
    ISSN: 1741-0444
    Keywords: Virtual biopsies ; Barrett's oesophagus ; Bio-electrical impedance
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology , Medicine
    Notes: Abstract It has previously been shown that it is possible to differentiate between squamous and columnar epithelia in rat and resected human tissues using an impedance probe to makein vitro measurements. This probe can be passed down an endoscope allowing measurements to be made in patients. However, the probe emerges parallel to the oesophageal wall, with little room to manoeuvre. The conditions of control required to give reliable readings have been investigated. The importance of pressure applied and the angle of approach to the oesophagus was assessed. Pressures in the range 26.6 Pa to 46.3 kPa and angles in the range 15–90 degrees were considered. Inin vitro studies it was observed that it was possible to obtain consistent readings with pressures greater than 2.9 kPa and with angles greater than 15 degrees between the probe and the oesophagus. These conditions can be achievedin vivo, and readings obtained from twelve patients are shown (45 readings on normal squamous, 34 on Barrett's oesophagus and 22 on stomach). At low frequencies (9.6–153.2 kHz), a Mann-Whitney test shows a significant difference (p〈0.001) when comparing the means from squamous and columnar, and also when readings from Barrett's and normal gastric epithelia are compared (p〈0.001).
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02345004
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