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  • 1
    Electronic Resource
    Electronic Resource
    Adult right-sided Bochdalek hernia facilitated by coexistent hepatic hypoplasia (2000)
    Springer
    Abdominal imaging 25 (2000), S. 394-396 
    Details
    ISSN: 1432-0509
    Keywords: Key words: Adult right-sided Bochdalek hernia—Hepatic hypoplasia—Intrathoracic intestinal strangulation—Acute abdominal distress—Convergence of mesenteric folds.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract An adult case of right-sided Bochdalek hernia complicating intrathoracic intestinal strangulation is presented. Formation of this rare right-sided diaphragmatic hernia was facilitated by coexistent hypoplasia of the medial segment of left hepatic lobe. Computed tomography showed characteristic findings such as dilated small intestine with convergence of mesenteric folds in the thorax, which was highly diagnostic of intestinal strangulation due to diaphragmatic hernia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1107/s002610000021
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  • 2
    Electronic Resource
    Electronic Resource
    Optically pumped polarized H− ion source for RHIC spin project : The 8th international conference on ion sources (2000)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 71 (2000), S. 1237-1239 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: In the RHIC spin experiment, the high intensity polarized H− ion source is requested. The required 2×1032/s cm2 luminosity in RHIC can be obtained with a 0.5 mA injected H− ion beam intensity. In order to realize such beam intensity, a KEK optically pumped polarized H− ion source is being upgraded at TRIUMF for future installation at RHIC. The first results of polarization measurements are presented here. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1150436
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  • 3
    Electronic Resource
    Electronic Resource
    A new scheme of direct beam chopping in a negative hydrogen ion source : The 8th international conference on ion sources (2000)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 71 (2000), S. 696-697 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: Direct fast H− beam chopping in a surface-plasma-type negative hydrogen ion source has been studied at KEK. The H− beam is chopped at several MHz by modulating the converter bias voltage of the ion source. However, in this case, a slow rise time of the chopped H− beam is one of the most serious problems for synchrotron injection. In order to make the rise time faster, a negative voltage was applied to the anode electrode. In the new scheme, mesh inserts were installed inside the ion extraction hole of the anode. Applying a retarding voltage on the meshes, the fast beam chopping was tested and the results are reported and discussed in the article. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1150264
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  • 4
    Electronic Resource
    Electronic Resource
    Atmospheric pressure plasma chemical vapor deposition system for high-rate deposition of functional materials (2000)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 71 (2000), S. 3173-3177 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: The atmospheric pressure plasma chemical vapor deposition (CVD) system has been developed to fabricate functional thin films at very high deposition rate. The atmospheric pressure plasma, in which high-density radicals are created, has been effectively used to deposit thin films. Combination of the newly designed rotary electrode and the 150 MHz very high frequency power supply makes it possible not only to generate the high-density atmospheric pressure plasma but also to avoid ion bombardment against the film. By virtue of these noble characteristics of the system, high quality films can be fabricated at an unprecedented high deposition rate. In order to demonstrate the effectiveness of the atmospheric pressure plasma CVD system, hydrogenated amorphous silicon (a-Si:H) films were prepared in gas mixtures containing He, H2, and SiH4. The results showed that homogeneous a-Si:H films grew when substrates were heated at 200 °C. Extremely high deposition rate, which was more than 100 times faster than that of the conventional low-pressure plasma CVD technique, was realized. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1305510
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  • 5
    Electronic Resource
    Electronic Resource
    A 2.45 GHz microwave negative hydrogen ion source : The 8th international conference on ion sources (2000)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 71 (2000), S. 1042-1044 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A 2.45 GHz microwave plasma sputter-type of negative hydrogen ion source has been developed at KEK. The microwave discharge was produced by a 2.45 GHz microwave source. In this ion source, negative hydrogen ions are produced at the surface of a molybdenum converter electrode which is placed in a hydrogen plasma confined by a cusp magnetic field. In preliminary experiments, a H− beam current was obtained in pulsed mode operation (0.2 ms, 20 Hz). Impurities (O− and OH−) of 27% in the total negative ion beam current were observed. © 2000 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1150381
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  • 6
    Electronic Resource
    Electronic Resource
    Coherence–incoherence and dimensional crossover in layered strongly correlated metals (2002)
    [s.l.] : Macmillian Magazines Ltd.
    Nature 417 (2002), S. 627-630 
    Details
    ISSN: 1476-4687
    Source: Nature Archives 1869 - 2009
    Topics: Biology , Chemistry and Pharmacology , Medicine , Natural Sciences in General , Physics
    Notes: [Auszug] The properties of an interacting electron system depend on the electron correlations and the effective dimensionality. For example, Coulomb repulsion between electrons may inhibit, or completely block, conduction by intersite electron hopping, thereby determining ...
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1038/nature00774
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  • 7
    Electronic Resource
    Electronic Resource
    New water shock sensor (2001)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 72 (2001), S. 2123-2127 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: A new shock sensor for liquids is described in this article which is suitable for precise shock Hugoniot compression curve measurement of water in the relatively low pressure region of ≤1 GPa. The present method is based on the fact that the refractive index of water has a very large pressure dependence. A laser beam incident on the liquid–glass boundary from the proper angle of incidence is totally reflected at the interface. The condition of total internal reflection is violated if the refractive index changes instantaneously by shock compression. The shock target assembly was designed for a gas gun experiment based on the above concept. Two examples of the shock Hugoniot measurement data of water were given. © 2001 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1347966
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  • 8
    Electronic Resource
    Electronic Resource
    Shock Hugoniot compression curve for water up to 1 GPa by using a compressed gas gun (2002)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 91 (2002), S. 476-482 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: A shock Hugoniot compression curve for water has been measured up to less than 1 GPa. A plane and steady shock wave is produced in water by the flat plate impact of a projectile accelerated by a compressed gas gun. A new experimental procedure was proposed to detect the shock wave front sensitively, which makes it possible to measure shock Hugoniot in higher precision than the previous method. The present method is based on the very large pressure dependence of the refractive index of water upon compression. By using this method, the shock compression curve was determined within the precision of 2% to 3% of the estimated shock pressure. The precision is better than that of the previous data. It was confirmed that within the pressure range covered in this experiment, the shock-particle velocity Hugoniot can be described by a linear relation with a large slope. Shock Hugoniot states on the pressure–temperature plane were calculated by using the obtained Hugoniot data combined with the values of thermodynamical variables. Thermodynamic analysis of the shock compression process was developed to estimate the contributions of irreversible heating by shock compression. © 2002 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1421630
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  • 9
    Electronic Resource
    Electronic Resource
    Central Cholecystokinin-Octapeptide Accelerates the Activity of the Hypothalamic Gonadotropin-Releasing Hormone Pulse Generator in Goats (2003)
    Oxford, UK : Blackwell Science Ltd
    Journal of neuroendocrinology 15 (2003), S. 0 
    Details
    ISSN: 1365-2826
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: To clarify central actions of cholecystokinin-octapeptide (CCK-8) on reproduction, effects of an intracerebroventricular (i.c.v.) administration of CCK-8 on the activity of the gonadotropin-releasing hormone (GnRH) pulse generator were examined in ovariectomized (OVX) goats in the absence or presence of oestradiol. Goats were chronically fitted with recording electrodes in the mediobasal hypothalamus, and electrophysiological manifestations of the GnRH pulse generator were monitored as characteristic increases in the multiple-unit activity (MUA volleys). In OVX goats, a bolus i.c.v. injection of as little as 0.01 nmol of CCK-8 induced a MUA volley with a short latency, which resulted in a significant decrease in the post-treatment volley interval compared to that in the saline injected control. Administration of higher doses of CCK-8 (0.1 and 2 nmol) did not further accelerate the occurrence of the MUA volley, but stimulatory effects were observed for a longer period than that after the 0.01 nmol injection. When goats were treated with oestradiol, while a bolus i.c.v. injection of 0.01 nmol CCK-8 had no effect, an injection of 0.1 nmol of the peptide significantly decreased the post-treatment volley interval. On continuous i.c.v. infusion of CCK-8 at 3 nmol per 200 µl/h for 3 h, MUA volleys with shorter intervals than those in the control were successively induced without any apparent change in basal plasma luteinizing hormone levels in OVX goats. These results demonstrate that central CCK-8 strongly accelerates the activity of the GnRH pulse generator in goats.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1046/j.1365-2826.2003.00965.x
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  • 10
    Electronic Resource
    Electronic Resource
    Evaporation of single liquid drops in an immiscible liquid at elevated pressures: equipment and preliminary results (2004)
    Springer
    Experiments in fluids 6 (2004), S. 73-79 
    Details
    ISSN: 1432-1114
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract This paper describes a piece of equipment which has been specially designed to permit the study of the evaporation of single liquid drops in an immiscible liquid at elevated pressures up to the order of 1 MPa. It is equipped with a piezoelectric discharger for yielding nucleation in each drop and with a dilatometer for detecting the change in volume of the drop in the course of evaporation succeeding the nucleation. Some preliminary results, obtained with the equipment, for n-pentane drops evaporating in a water medium at pressures up to 0.5 MPa (5 atm) are also presented.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00196456
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