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  • 1
    Digitale Medien
    Digitale Medien
    Further considerations on the preparation of small electrical contacts by spot welding (2000)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 71 (2000), S. 2228-2232 
    Details
    ISSN: 1089-7623
    Quelle: AIP Digital Archive
    Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: A recent publication by the authors describes a spot welder which can be used to join small wires to samples of metallic materials. The article also discusses the selection of contact wires, the preparation of samples prior to welding, and other details of the welding method. In the present work, we give a much improved version of the power supply circuit, and offer additional information on the technique that was not discussed previously. A "universal" method of electropolishing is also described which may be used to remove oxides and other surface contaminants from samples prior to spot welding. This technique can be applied to a variety of materials, including rare earth elements and compounds, which are generally difficult to polish or etch using other chemical or electrochemical means. © 2000 American Institute of Physics.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.1150611
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  • 2
    Digitale Medien
    Digitale Medien
    Erratum: "Spot welder for making small electrical contacts" [Rev. Sci. Instrum. 69, 2747 (1998)] (2000)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 71 (2000), S. 4344-4344 
    Details
    ISSN: 1089-7623
    Quelle: AIP Digital Archive
    Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: © 2000 American Institute of Physics.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.1318911
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  • 3
    Digitale Medien
    Digitale Medien
    Spot welder for making small electrical contacts (1998)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 69 (1998), S. 2747-2756 
    Details
    ISSN: 1089-7623
    Quelle: AIP Digital Archive
    Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: A capacitive-discharge spot welder is described which is primarily intended for making electrical connections between small (〈25–150 μm diameter) wires and samples of metallic materials, although it can be used in many applications where miniature welds must be made. It has been particularly useful in allowing low resistance (several mΩ) contacts to be created on samples of rare earth and actinide intermetallic compounds which are highly resistant to soldering. The device has a minimum time constant of about 25 μs and can deliver a maximum of between 700 μJ and 400 mJ of energy to the weld region, depending on the resistance of the latter. A suitable electrode holder is also described, and considerations for choosing the electrode materials, selecting the contact wires, preparing the sample, and creating a weld are discussed. © 1998 American Institute of Physics.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1063/1.1149010
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  • 4
    Digitale Medien
    Digitale Medien
    Extra-Uterine Pregnancy in Madagascar. (1907)
    Oxford, UK : Blackwell Publishing Ltd
    BJOG 12 (1907), S. 0 
    Details
    ISSN: 1471-0528
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1471-0528.1907.tb15424.x
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  • 5
    Digitale Medien
    Digitale Medien
    Haemangiectatic hypotrophy associated with Perthe's disease (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental dermatology 13 (1988), S. 0 
    Details
    ISSN: 1365-2230
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: A patient is described with the vascular abnormality typical of Klippel-Trenaunay-Weber Syndrome, associated with hypotrophy of the affected leg, rather than hypertrophy, and with reduced blood How and a vascular necrosis of the femoral head (Perthe's Disease) on the same side. This case supports the idea that the abnormality of limb size results from the abnormality of blood flow. It is likely that blood flow is grossly uneven, due to AV anastamoses, and therefore measurement of total flow-is unhelpful.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2230.1988.tb00687.x
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  • 6
    Digitale Medien
    Digitale Medien
    Comparison of cadexomer iodine and dextranomer for chronic venous ulcers (1987)
    Oxford, UK : Blackwell Publishing Ltd
    Clinical and experimental dermatology 12 (1987), S. 0 
    Details
    ISSN: 1365-2230
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Forty-two patients with chronic resistant varicose ulcers were observed for 6 weeks on standard out-patient therapy, and then randomly allocated to daily treatment with either cadexomer iodine (CI), a new topical agent, or dextranomer for a further 6 weeks, at which time ulcers judged clinically not to be responding could be changed to the other treatment for the remaining 20 weeks of the trial. There was no significant reduction in ulcer area during the first 6 weeks on CI or dextranomer. A significant preference for CI was shown by the optional crossover. Retrospective analysis of ulcer size shows this was not related to severity and preference was probably due to bias towards the new treatment, the trial not being blind. Neither therapy significantly reduced colonization by β-haemolytic Streptococcus, Staphytocoaus aureus, Pseudomonas or Proteus. The discrepancy between these and previous findings with CI is largely due to different methods of analysis rather than different results. We conclude that, in chronic resistant venous ulcers, topical therapy is of little importance compared with measures which improve tissue oxygenation and repair.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1111/j.1365-2230.1987.tb01939.x
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  • 7
    Digitale Medien
    Digitale Medien
    ‘Tinea indecisiva’ may mimic the concentric rings of tinea imbricata (2002)
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 147 (2002), S. 0 
    Details
    ISSN: 1365-2133
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-2133.2002.04767.x
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  • 8
    Digitale Medien
    Digitale Medien
    Mild ichthyosis in a 4-year-old boy with multiple sulphatase deficiency (2002)
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 147 (2002), S. 0 
    Details
    ISSN: 1365-2133
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: Summary We report a 4-year-old boy with multiple sulphatase deficiency (MSD). His early health was good. By the end of his first year there were concerns about developmental delay but by 26 months he showed clear evidence of regression in that he was barely able to sit unsupported and had lost all fine motor and communication skills. At that time he also had widespread mild ichthyosis that cleared completely with the use of emollients. The neurological deterioration suggested a diagnosis of metachromatic leucodystrophy, and a reduction in the leucocyte arylsulphatase A activity was detected. The ichthyosis suggested steroid sulphatase deficiency, and a reduction in the leucocyte steroid sulphatase activity was detected. The enzyme deficiency was much less marked for steroid sulphatase than for arylsulphatase A in this boy. This diversity in enzyme activities is typical of MSD and correlates with the mild ichthyosis in this child. This case shows that even mild ichthyosis should prompt measurement of steroid sulphatase activity in a child of either sex with unexplained neurological deterioration.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-2133.2002.04776.x
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  • 9
    Digitale Medien
    Digitale Medien
    Paradoxical normalization of blood pressure in a child with atopic dermatitis treated with cyclosporin (2002)
    Oxford, UK : Blackwell Science Ltd
    British journal of dermatology 147 (2002), S. 0 
    Details
    ISSN: 1365-2133
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-2133.2002.47773.x
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  • 10
    Digitale Medien
    Digitale Medien
    Progressive nodular histiocytosis in a child with a hypothalamic tumour (2002)
    Oxford, UK : Blackwell Science, Ltd
    British journal of dermatology 146 (2002), S. 0 
    Details
    ISSN: 1365-2133
    Quelle: Blackwell Publishing Journal Backfiles 1879-2005
    Thema: Medizin
    Notizen: We report a 13-year-old girl with multiple cutaneous histiocytic lesions, precocious puberty, growth hormone deficiency and a hypothalamic tumour. We conclude that she has progressive nodular histiocytosis, but this case illustrates the difficulty in differentiating the type II histiocytoses.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1046/j.1365-2133.2002.04493.x
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