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  • 1
    Electronic Resource
    Electronic Resource
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 52 (1988), S. 465-467 
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Photoluminescence spectroscopy has been used to study silicon-on-insulator substrates formed by oxygen implantation. Samples having post-implantation anneals at 1200 and 1300 °C were investigated. The dislocation-related D-line emission is observed in all the samples, but with lower intensity in the samples annealed at the higher temperature, indicative of their superior crystal quality. Group V contaminants in some samples were identified from their excitonic emission. Additional low-temperature anneals at 450 and 750 °C significantly increased the intensity of the excitonic emission from the samples, and in addition, emission from thermal donors was also observed.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 64 (1988), S. 1 
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: This review summarizes recent experimental data on imploding z-pinches and their radiation output, and gives an overview of theoretical issues concerning radiation production in the pinch plasma. A z-pinch plasma is created when the current from a fast, powerful electrical generator compresses and heats a small amount of material between the electrodes. The hot, dense plasma emits copious amounts of radiation extending from the visible to the x-ray region. With a 10-TW electrical discharge the radiative power may be a few TW, with an energy per pulse of up to tens of kilojoules. Our interest is mainly in the photons with energy around 1 keV, which are useful in x-ray lithography, microscopy, surface studies, and other applications.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 540 (1988), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Palo Alto, Calif. : Annual Reviews
    Annual Review of Biophysics and Biomolecular Structure 17 (1988), S. 217-239 
    ISSN: 0084-6589
    Source: Annual Reviews Electronic Back Volume Collection 1932-2001ff
    Topics: Biology , Physics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 53 (1988), S. 0 
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Soybeans were grown hydroponically and labeled with 75Se-selenite or 75Se-selenate. The seeds were then processed into a full fat soy flour, a defatted soy flour, and an acid-precipitated high-protein concentrate. Analysis for 75Se and total selenium showed that selenium concentration was dependent on the protein levels of the processed fractions indicating that the major portion of 75Se in soybeans is incorporated in proteins.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 10 (1988), S. 21-25 
    ISSN: 1279-8517
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
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  • 7
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    Denton, Tex. : Periodicals Archive Online (PAO)
    Studies in the novel. 20:4 (1988:Winter) 436 
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  • 8
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    Unknown
    Oxford : Periodicals Archive Online (PAO)
    Cambridge journal of economics. 12:1 (1988:Mar.) 29 
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 10 (1988), S. 151-160 
    ISSN: 1279-8517
    Keywords: Apex of the heart ; Cardiac apex ; Apical arteries ; Apical blood supply ; Anatomical apex ; Geometric apex of the heart
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Cette étude comporte un essai de définition de l'apex du cœur et une présentation d'une classification en 3 types: l'apex « anatomique », dont la base est délimitée par l'incisure de l'apex du cœur, l'apex « anatomique élargi », occupant le double volume du précédent et l'apex « géométrique », occupant le tiers distal des ventricules. La vascularisation de ces 3 types d'apex cardiaque par les branches superficielles des artères coronaires, est précisé. Ce travail a été effectué sur 81 cœurs normaux (56 hommes et 25 femmes) dont 60 Caucasiens et 21 non Caucasiens. Les artères ont été injectées avec un mélange de gélatine colorée et de substance radio-opaque. Le nombre des rameaux artériels va en décroissant depuis le type géométrique (le plus volumineux) jusqu'à l'apex anatomique (le plus petit): 27 sont retrouvés à la surface de l'apex géométrique, 14 à la surface de l'apex anatomique élargi et 7 seulement au niveau de l'apex anatomique. Des différences selon le sexe ont été observées au niveau du rameau postérieur du ventricule gauche qui est retrouvé plus souvent chez les hommes que chez les femmes pour les apex anatomiques élargis. Pour les apex géométriques, 3 branches sont également plus fréquentes chez les femmes: le rameau antérieur et inférieur du ventricule gauche, les branches I et IV du rameau postérieur et latéral du ventricule gauche.
    Notes: Summary The cardiac apex was defined and 3 types were presented: the anatomical apex, the base of which was established at the incisura apicis cordis; the amplified anatomical apex, twice the volume of the preceding; and the geometric apex, the distal third of the ventricles. These types of cardiac apex were studied in connection with the superficial branches of the coronary series at their level. The investigation was conducted on 81 normal hearts (56 males and 25 females) of 60 Caucasian and 21 non-Caucasian individuals. The arteries were injected with colored gelatine mixed with a radiopaque substance. The number of branches decreased from the geometric (the largest type) to the anatomical apex (the smallest): 27 on the surface of the geometric apex, 14 on the surface of the amplified anatomical apex, and 7 on the surface of the anatomical apex. The sternocostal aspect had a higher number of superficial branches than the diaphragmatic aspect in all types of cardiac apex. Sexual differences were found in the incidence of the r posterior ventriculi sinistri intermedius on the amplified anatomical apex as it was more frequent in females than in males. In the geometric apex there were 3 branches also more frequent in females: r anterior ventriculi sinistri inferior, r posterior ventriculi sinistri lateralis I, and r posterior ventriculi sinistri lateralis IV.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Pflügers Archiv 411 (1988), S. 322-327 
    ISSN: 1432-2013
    Keywords: Tubuloglomerular feedback ; Juxtaglomerular apparatus ; Glomerular filtration rate ; Acute volume expansion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Loss of sensitivity or “resetting” of tubuloglomerular feedback has been reported after both acute and chronic volume expansion in rats. In chronic volume expansion due to dietary salt loading, resetting was found to result from the appearance of an inhibitory factor in tubular fluid. The aim of the present study was to test the possibility that resetting after acute isooncotic volume expansion may also be due to such an inhibitor. Rats were acutely volume expanded (4.5% of body weight) by infusion of a solution of fresh plasma and Ringer's solution. Tubuloglomerular feedback activity was assessed in expanded and control animals by measuring early proximal flow (EPF) rate during perfusion of the loop of Henle at varying rates with proximal tubular fluid harvested from the control (control TF) and expanded animals (AVE TF). When loops of Henle in control animals were perfused with control TF at 10, 20 or 40 nl min−1, EPF fell from (mean ±SD) 29.8±5.6 at zero loop flow to 27.5±7.5, 21.1±4.2 and 15.5±4.5 nl min−1 gKW−1 respectively. Perfusion at the same rates with control TF in expanded animals reduced EPF from 39.5±9.6 (at zero loop flow) to 35.9±11.3, 31.6±4.3 and 22.9±6.8 nl min−1 gKW−1 respectively. When loops of Henle in control animals were perfused with AVE TF, EPF fell from 28.6±9.5 (zero loop flow) to 23.5±8.6, 19.9±8.2 and 15.6±6.5 nl min−1 gKW−1 respectively. Perfusion at these rates with AVE TF in the expanded animals depressed EPF from 36.7±7.8 (at zero loop flow) to 33.6±7.3, 28.6±7.6 and 22.7±8.0 nl min−1 gKW−1 respectively. Since the responses to the two perfusion fluids were the same in each group, it is concluded that there is no inhibitory factor present in AVE TF. Although EPF at each perfusion rate was significantly higher in the expanded animals than in control, the change in EPF per unit change in loop perfusion rate was the same in both groups from which it is concluded that no resetting of tubuloglomerular feedback occurred in the present study.
    Type of Medium: Electronic Resource
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