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  • 2000-2004  (13)
  • 1995-1999  (42)
  • 1950-1954  (8)
  • 1900-1904  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Infrared Spectra of Metal Isopropoxides (1953)
    s.l. : American Chemical Society
    Analytical chemistry 25 (1953), S. 1720-1724 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac60083a034
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Iron Salts in Voltameter Solutions (1903)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 7 (1903), S. 652-655 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j150054a003
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    Drift-wave-like density fluctuations in the Advanced Toroidal Facility (ATF) torsatron (1995)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Plasmas 2 (1995), S. 398-413 
    Details
    ISSN: 1089-7674
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Density fluctuations in low-collisionality, low-beta (β∼0.1%), currentless plasmas produced with electron cyclotron heating (ECH) in the Advanced Toroidal Facility (ATF) torsatron [Fusion Technol. 10, 179 (1986)] have been studied using a 2 mm microwave scattering diagnostic. Pulsed gas puffing is used to produce transient steepening of the density profile from its typically flat shape; this leads to growth in the density fluctuations when the temperature and density gradients both point in the same direction in the confinement region. The wave number spectra of the fluctuations that appear during this perturbation have a maximum at higher k⊥ρs (∼1) than is typically seen in tokamaks. The in–out asymmetry of the fluctuations along the major radius correlates with the distribution of confined trapped particles expected for the ATF magnetic field geometry. During the perturbation, the relative level of the density fluctuations in the confinement region (integrated over normalized minor radii ρ from 0.5 to 0.85) increases from ñ/n∼1% when the density profile is flat to ñ/n∼3% when the density profile is steepened. These observations are in qualitative agreement with theoretical expectations for helical dissipative trapped-electron modes (DTEMs), which are drift-wave instabilities associated with particle trapping in the helical stellarator field; they suggest that trapped-electron instabilities may play a role in constraining the shape of the density profile in ATF, but have little effect on global energy confinement. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.870966
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  • 4
    Electronic Resource
    Electronic Resource
    Microwave scattering diagnostic on the Advanced Toroidal Facility torsatron (abstract)a) : Proceedings of the tenth topical conference on high temperature plasma diagnostics (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 841-841 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A 2 mm scattering diagnostic used to study density fluctuations of the electron cyclotron resonance heated plasma in the Advanced Toroidal Facility is described. A four-channel flexible antenna design was chosen to monitor fluctuations within the wave number range of 3〈k⊥〈20 cm−1 and to locate the scattering volume anywhere in the stellarator minor cross section. Special attention was paid to the system calibration and to the normalization of the k spectra. Analysis of the diagnostic noise showed that the main source of spurious signal was a scattering from high-level edge turbulence driven by the second-harmonic radiation from the gyrotron used for plasma heating. This spurious signal was suppressed using waveguide filters and rearrangement of the microwave circuit elements. Evidence in support of direct scattering from a well-defined plasma volume was found. Good correlation of the scattered waves' intensity with the density scale length was observed. Use of a dual-homodyne circuit configuration made is possible to determine that the plasma density fluctuations were propagating in the electron diamagnetic direction. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1146242
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  • 5
    Electronic Resource
    Electronic Resource
    Microwave scattering diagnostic on the Advanced Toroidal Facility torsatrona) (1995)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 66 (1995), S. 1221-1224 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A 2 mm scattering diagnostic used to study density fluctuations of the electron cyclotron resonance heated plasma in the Advanced Toroidal Facility is described. A four-channel flexible antenna design was chosen to monitor fluctuations within the wave number range of 3〈k⊥〈20 cm−1 and to locate the scattering volume anywhere in the stellarator minor cross section. Special attention was paid to the system calibration and to the normalization of the k spectra. Analysis of the diagnostic noise showed that the main source of spurious signal was a scattering from high-level edge turbulence driven by the second-harmonic radiation from the gyrotron used for plasma heating. This spurious signal was suppressed using waveguide filters and rearrangement of the microwave circuit elements. Evidence in support of direct scattering from a well-defined plasma volume was found. Good correlation of the scattered waves' intensity with the density scale length was observed. Use of a dual-homodyne circuit configuration made is possible to determine that the plasma density fluctuations were propagating in the electron diamagnetic direction. © 1995 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1146010
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    Paper (German National Licenses)
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  • 6
    Electronic Resource
    Electronic Resource
    Increased Concentrations of the Neurotoxin 3-Hydroxykynurenine in the Frontal Cortex of HIV-1-Positive Patients (1995)
    Oxford, UK : Blackwell Science Ltd
    Journal of neurochemistry 64 (1995), S. 0 
    Details
    ISSN: 1471-4159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Abstract: Human immunodeficiency virus (HIV)-1-associated dementia is a frequent consequence of HIV infection and is associated with neuronal deficits. Increased concentrations of the kynurenine pathway metabolites 3-hydroxykynurenine (3-HK) and quinolinic acid (QA) may contribute to this neuronal damage. We measured 3-HK concentrations and the activity of its catabolising enzyme, 3-hydroxykynureninase, in postmortem brain tissue from eight controls and 32 HIV-positive patients, including a group that exhibited dementia. 3-HK concentrations were significantly increased (over threefold) in the HIV-positive group when compared with controls. This increase was greater in those patients with dementia, but it was still apparent in the nondemented cases. 3-Hydroxykynureninase activity was significantly increased in the HIV-infected group compared with the control values. The effect was apparent in both nondementia and dementia cases, although the latter showed a slightly greater increase. The 3-HK content increase is thus unrelated to a reduction in activity of this enzyme and is likely to reflect an overall increase in the kynurenic metabolic pathway. Elevated levels of the neurotoxin 3-HK may contribute to the neuronal deficits underlying HIV-associated dementia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1471-4159.1995.64020932.x
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  • 7
    Electronic Resource
    Electronic Resource
    Quality Characteristics of Yellow-Seeded Brassica Seed Meals: Protein, Carbohydrate, and Dietary Fiber Components (1995)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 43 (1995), S. 2062-2066 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00056a020
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  • 8
    Electronic Resource
    Electronic Resource
    A vernalization protocol for obtaining progenies from regenerated and transgenic tall fescue plants (2003)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 122 (2003), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Tall fescue is an important outcrossing forage and turf grass species that requires vernalization to flower. A reproducible protocol was developed for vernalization of regenerated, transgenic and seed-derived tall fescue plants. Following the vernalization scheme that involved gradual changes of temperature and daylength, seeds were routinely produced from vernalized plants under greenhouse conditions. Molecular analyses of progenies obtained from crosses between transgenic and seed-derived plants revealed stable meiotic transmission of transgenes following Mendelian inheritance in transgenic tall fescue.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1439-0523.2003.00879.x
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  • 9
    Electronic Resource
    Electronic Resource
    The inheritance of resistance to the blossom weevil, Anthonomus rubi, in the cultivated strawberry, Fragaria×ananassa (2002)
    Oxford, UK : Blackwell Publishing Ltd
    Plant breeding 121 (2002), S. 0 
    Details
    ISSN: 1439-0523
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: The objective of this research was to determine which strawberry germplasm could be used to combine late flowering with reduced susceptibility to the strawberry blossom weevil, Anthonomus rubi. Seven cultivars and three breeding lines were compared for their susceptibility to A. rubi, by introducing adult weevils onto detached inflorescences. No consistent differences were detected but this contradicted observations from field trials. Five late-flowering strawberry genotypes were crossed in a half-diallel programme and progeny were tested for their susceptibility to A. rubi by using detached inflorescences and in a field trial where plants were exposed to a natural infestation. There was good correspondence between the results from the two methods and heritable differences were detected in both experiments, with the additive genetic variance being the more important. The cultivars ‘Idea’ and ‘Alice’ were identified as promising parents for reduced susceptibility while progeny from ‘Sophie’ were most likely to be susceptible.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1439-0523.2002.00650.x
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  • 10
    Electronic Resource
    Electronic Resource
    Resuscitation skills of trainee anaesthetists (1995)
    Oxford, UK : Blackwell Publishing Ltd
    Anaesthesia 50 (1995), S. 0 
    Details
    ISSN: 1365-2044
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: We assessed the basic and advanced cardiopulmonary resuscitation skills of 30 trainee anaesthetists in a simulated exercise. Only one person performed basic cardiopulmonary resuscitation as outlined in the 1992 European Resuscitation Council guidelines. The management of ventricular fibrillation and asystole were correctly carried out by eight (27%) and nine (30%) anaesthetists, respectively. Neither the seniority of the anaesthetists nor their postgraduate qualifications correlated with their performance level. We conclude that all trainee anaesthetists need to undergo regular training and assessment of their resuscitation skills.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2044.1995.tb06095.x
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