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  • 1
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Scandinavian journal of immunology 42 (1995), S. 0 
    ISSN: 1365-3083
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Vaccination of five baboons with an anti-idiotypic vaccine to irradiated Schistosoma mansoni cercariae resulted in nearly 19% protection compared to 39% protection conferred to five baboons vaccinated with an irradiated vaccine. Vaccination with the anti-idiotypic antibodies resulted in a significant reduction of pathology and granuloma size following challenge with live unattenuated cercariae. Results presented in this work are considered highly significant because the anti-idiotypic vaccine markedly influenced schistosomiasis morbidity which is the main consideration in this disease.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Surgical and radiologic anatomy 15 (1993), S. 21-29 
    ISSN: 1279-8517
    Keywords: Liver anatomy ; Large inferior right hepatic vein ; Magnetic resonance imaging ; Intraoperative ultrasonography
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Les vv. hépatiques droites moyennes et inférieures sont très fréquentes voire constantes, mais le plus souvent de petit diamètre. L'existence d'une v. hépatique droite inférieure de grand diamètre, le plus souvent unique, entraine une variation dans le drainage veineux du lobe droit du foie. Les vv. hépatiques droites inférieures atteignant ou dépassant 0,5 cm de diamètre ont été recherchées sur 125 préparations anatomiques du foie : 70 pièces d'injection-corrosion, 32 foies embaumés au formol et sur des coupes du tronc frontales ou frontales-obliques effectuées chez 23 cadavres. La fréquence de ces veines a été estimée à 9 % sur les pièces d'injection-corrosion, 13 % sur les coupes et 16 % sur les foies embaumés au formol. Dans la littérature, la fréquence de ces veines varie de 10 % à 24 % selon la méthode employée pour les reconnaitre. naitre. Un balancement équilibré existe le plus souvent entre les vv. hépatiques droites supérieure et inférieure. Exceptionnellement la v. hépatique droite inférieure est prédominante par rapport à la v. hépatique droite supérieure. La situation d'une v. hépatique droite inférieure de grand diamètre est constante, à proximité de la face viscérale du foie. Le territoire qui lui est propre est le segment VI, mais il peut déborder un peu sur les segments voisins. En clinique, l'existence d'une v. hépatique droite inférieure de grand diamètre, reconnue par l'IRM et surtout repérée par l'échographie per-opératoire, permet de réaliser une hépatectomie sub-totale en ne conservant que le segment VI. Dans certaines circonstances pathologiques, grâce au développement des anastomoses entre les vv. hépatiques, une v. hépatique droite inférieure de grand diamètre peut contribuer à une suppléance circulatoire en direction de l'atrium droit.
    Notes: Summary The right middle and inferior hepatic vv. are very frequent, indeed constant, but usually of small caliber. The presence of an extra-wide right inferior hepatic v., usually solitary, produces a variation in the venous drainage of the right lobe of the liver. The right inferior hepatic vv. reaching or exceeding a caliber of 0.5 cm were investigated in 125 anatomic liver specimens: 70 injection-corrosion specimens, 32 formolised livers and frontal or frontal-oblique sections of the trunk made in 23 cadavers. The incidence of such vv. was estimated at 9% in the injection-corrosion specimens, 13% in the sections and 16% in the formolised livers. The incidence of these vv. in the literature varies from 10% to 24% according to the method used to demonstrate them. Usually, there is a balance between the right superior and inferior hepatic vv. Rarely, the right inferior hepatic v. predominates compared with the right superior hepatic v. The position of an extra-wide right inferior hepatic v. is constant, close to the visceral aspect of the liver. Its appropriate territory is segment VI, but it may encroach somewhat on adjacent segments. Clinically, the existence of an extra-wide right inferior hepatic v. as detected by MRI and, especially, located by intraoperative ultrasonography, allows performance of a subtotal hepatectomy leaving only segment VI. In certain pathologic conditions, thanks to the development of anastomoses between the hepatic vv., an extra-wide right inferior hepatic v. may contribute to a compensatory circulation towards the right atrium.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Stamford, Conn. [u.a.] : Wiley-Blackwell
    Polymer Engineering and Science 35 (1995), S. 921-928 
    ISSN: 0032-3888
    Keywords: Chemistry ; Chemical Engineering
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A computer simulation, based on a thermoviscous model of cooling and gravity induced flow (sag) in plastic pipe manufacture, which has previously been described in detail and validated against experimental results, is here used to investigate the effectiveness of die mandrel offsetting and pipe rotation in combatting sag. SDR11 MDPE pipes of 315, 560, 800, and 1000 mm diameter are considered. Results are examined in terms of a waste percentage, representing polymer used in excess of that corresponding to the minimum wall thickness. With a concentric mandrel, waste is predicted to be 4.3, 14.0, 17.9, and 18.7% for the four sizes, respectively. Optimum offsets and minimum waste percentages are found to be: 2 mm, 0.8%; 15 mm, 4.6%; 42 m, 9.8%; 63 mm, 12.7%, respectively. For the largest pipe this corresponds to a wall thickness variation of 19.6 mm. Simulations of rotation of the 800 mm pipe show waste falling rapidly to 5% at 1 revolution/4800s, then a slower decrease, reaching 1.6% at 1 revolution/600s. The simulation is equally applicable to all grades and sizes of pipe, and provides a valuable computer aid for the design and operation of pipe cooling lines.
    Additional Material: 9 Ill.
    Type of Medium: Electronic Resource
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