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  • 1990-1994  (3)
  • N yield  (1)
  • Polymer and Materials Science  (1)
  • Radical hysterectomy  (1)
  • sesquiterpenes
Datenquelle
Materialart
Erscheinungszeitraum
Jahr
Schlagwörter
  • 1
    Digitale Medien
    Digitale Medien
    Effects of nitrogen fertilizer application methods on growth and acetylene reduction activity ofAzolla pinnata and yield of rice (1991)
    Springer
    Nutrient cycling in agroecosystems 28 (1991), S. 25-30 
    Details
    ISSN: 1573-0867
    Schlagwort(e): Ammonium sulphate ; urea ; sub-surface placement ; broadcast application ; N yield
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft
    Notizen: Abstract The influence of different methods of N fertilizer application-sub-surface placement (SS) and broadcast application (BC) as a single basal dose of 40 kg N ha−1 of urea (U) and ammonium sulphate (AS)-on fresh weight (FW) and acetylene reduction activity (ARA) ofAzolla pinnata (Bangkok) and yield of rice was studied for consecutive three seasons. The FW, ARA and N yield ofAzolla were significantly superior with SS placement than with BC application. Of the two N sources, AS was superior to U in recording higher FW, ARA and N yield of Azolla irrespective of methods of N application. Crop yield and crop N uptake were higher with SS application alone and in combination with Azolla as compared to that of surface application of N fertilizers. The combined use of AS and Azolla recorded significantly higher crop yield and crop N uptake than that of U combined with Azolla, irrespective of methods of application.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01048852
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  • 2
    Digitale Medien
    Digitale Medien
    Percutaneous dilatation of benign ureteric structures following radical hysterectomy (1992)
    Springer
    European radiology 2 (1992), S. 62-65 
    Details
    ISSN: 1432-1084
    Schlagwort(e): Ureteric structures ; Radical hysterectomy ; Interventional radiology
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Medizin
    Notizen: Abstract Following radical hysterectomy in 42 patients with early invasive carcinoma of the cervix, ureteric strictures developed in 7 patients. They were long, smooth strictures situated in the distal ureter and thought to be of benign origin, related to devascularisation of the ureter. All but one were diagnosed within 8 weeks of surgery and all were treated by a percutaneous approach using a combination of dilating catheters and ureteric stenting: a balloon catheter was used in one patient. In 5 patients treatment was successful. In 1 patient there was an equivocal result as she developed tumour recurrence at 8 months, while in another the procedure failed, probably because the stricture was not detected for 12 months and she had also had radiotherapy. The follow-up period ranged from 6 to 26 months (mean l5 months). Although previous workers have indicated that ureleric strictures following radical hysterectomy would not be expected to respond to transluminal dilatation, in view of the devascularisation of the ureter our experience shows that the majority of these partially devascularised ureters are amenable to percutaneous techniques if detected within 2–3 months of surgery.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00714184
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  • 3
    Digitale Medien
    Digitale Medien
    TSDC studies on thermoelectrets of CR-39(DOP) (1990)
    Weinheim : Wiley-Blackwell
    Acta Polymerica 41 (1990), S. 48-51 
    Details
    ISSN: 0323-7648
    Schlagwort(e): Chemistry ; Polymer and Materials Science
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Physik
    Beschreibung / Inhaltsverzeichnis: Aus dem Polymer CR-39(DOP) wurden Thermoelektrete formiert, und die thermisch stimulierten Entladungsströme wurden gemessen. Die Einflüsse unterschiedlicher Formierungstemperaturen, unterschiedlicher Feldstärken und der Lagerzeit wurden untersucht, um das Elektretverhalten dieses Materials zu beschreiben. Die Polarisation ist dipolaren Ursprungs. Die Aktivierungsenergic und die Relaxationszeit wurden berechnet.
    Notizen: Thermoelectrets of CR-39(DOP) were formed and their thermally stimulated discharge current studied. In the present work, effects of different forming temperatures, polarizing fields and storage times have been studies with a view to understand the electret behaviour of this material. The polarization seems to have a dipolar origin. The activation energy and relaxation times have also been calculated.
    Zusätzliches Material: 4 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/actp.1990.010410112
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