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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 12 (1996), S. 44-48 
    ISSN: 1437-9813
    Keywords: Ureteroceles ; Management
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The treatment of ureteroceles in children requires an individualised approach. Antenatal diagnosis is the ideal, so that postnatal urinary antibiotic prophylaxis and appropriate investigations can be organised. Postnatal investigations should assess both upper and lower urinary tract. Renal and bladder ultrasound and radiographic micturating cystourethragraphy under antibiotic cover will both detect vesicoureteric reflux and assess any bladder outlet obstruction due to the ureterocele. Renal function, particularly of the upper moiety, is best evaluated by technetium Tc99m dimercaptosuccinic acid renal scan. Both function and obstruction can be quantitated by the Tc99m-mercaptoacetyltriglycine isotope scan with intravenous volume expansion (10 ml/kg) and furosemide diuresis (1 mg/kg). Intravenous urography provides the best anatomic information when the upper moiety is functional. The surgical management is based on the clinical situation, which is often variable, and therefore needs to be tailored for each patient. The general principles include restoration of anatomy to as near normal as possible and preservation of functional renal tissue.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Pediatric surgery international 12 (1996), S. 44-48 
    ISSN: 1437-9813
    Keywords: Key words Ureteroceles ; Management
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract  The treatment of ureteroceles in children requires an individualised approach. Antenatal diagnosis is the ideal, so that postnatal urinary antibiotic prophylaxis and appropriate investigations can be organised. Postnatal investigations should assess both upper and lower urinary tract. Renal and bladder ultrasound and radiographic micturating cystourethragraphy under antibiotic cover will both detect vesicoureteric reflux and assess any bladder outlet obstruction due to the ureterocele. Renal function, particularly of the upper moiety, is best evaluated by technetium Tc99m dimercaptosuccinic acid renal scan. Both function and obstruction can be quantitated by the Tc99m-mercaptoacetyltriglycine isotope scan with intravenous volume expansion (10 ml/kg) and furosemide diuresis (1 mg/kg). Intravenous urography provides the best anatomic information when the upper moiety is functional. The surgical management is based on the clinical situation, which is often variable, and therefore needs to be tailored for each patient. The general principles include restoration of anatomy to as near normal as possible and preservation of functional renal tissue.
    Type of Medium: Electronic Resource
    Library Location Call Number Volume/Issue/Year Availability
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  • 3
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 17 (1966), S. 207-213 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Inhibition of the corrosion of aluminium 2S and 3S in hydrochloric acidThe authors describe the influence of furfural on the corrosion of aluminium 2S and 3S in hydrochloric acid of different concentrations. Even in low concentrations, furfural is found to be an extremely effective inhibitor. Its inhibitive effects increase with its concentration up to a maximum, and then decrease again. The cause of this decrease is cathodic depolarisation with high furfural concentrations. The inhibiting effect of furfural is based on the increase in cathodic polarisation. In general, aluminium 2S obtains a better corrosion protection than aluminium 3S, with the exception of 0.5 n HCl in which aluminium 2S is not protected. The effectiveness of the inhibitor is better with higher hydrochloric acid concentrations.
    Notes: Die Verfasser beschreiben den Einfluß von Furfurol auf die Korrosion von Aluminiums 2S und 3S in Salzsäure verschiedener Konzentrationen. Furfural erweist sich auch in niedrigen Konzentrationen als äußerst wirkungsvoller Inhibitor. Seine Hemmwirkung steigt mit seiner Konzentration bis zu einem Maximum, nach dem sie wieder sinkt. Die Ursache dieser Abnahme ist kathodische Depolarisierung bei hohen Furfuralkonzentrationen. Der Wirksamkeit des Furfurals als Inhibitor beruht auf der Erhöhung der kathodischen Polarisation. Aluminium 2S wird im allgemeinen besser gegen Korrosion geschützt, als Aluminium 3S;, eine Ausnahme bildet die 0,5 n HCl, in welcher Aluminium 2S nicht geschützt wird. Die Wirksamkeit des Inhibitors ist bei höheren Salzsäure-Konzentrationen besser.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Weinheim [u.a.] : Wiley-Blackwell
    Materials and Corrosion/Werkstoffe und Korrosion 21 (1970), S. 798-800 
    ISSN: 0947-5117
    Keywords: Chemistry ; Polymer and Materials Science
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Alicyclic compounds as corrosion inhibitors for aluminium-65 S in hydrochloric acidCyclohexanone, cyclohexanol, methylcyclohexanol and cyclohexylamine have been investigated as corrosion inhibitors for aluminium-65 S in hydrochloric acid solutions. All the four substances are predominantly cathodic inhibitors and reduce the protective current. The difference effect is negative in 2.0 N hydrochloric acid but becomes positive in the presence of inhibitors.
    Notes: Cyclohexanon, Cyclohexanol, Methylcyclohexanol und Cyclohexylamin wurden untersucht als Inhibitoren der Korrosion von Aluminium in salzsauren Lösungen. Alle vier Substanzen sind vorwiegend kathodisch wirksam und verringern den Schutzstrom. Der Differenzeffekt ist in 2,0 n HCl negativ, wird jedoch bei Anwesenheit von Inhibitoren positiv.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
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