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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Review of accounting studies 3 (1998), S. 175-208 
    ISSN: 1573-7136
    Source: Springer Online Journal Archives 1860-2000
    Topics: Economics
    Notes: Abstract We find evidence that initial public offering (IPO) firms, on average, have high positive issue-year earnings and abnormal accruals, followed by poor long-run earnings and negative abnormal accruals. The IPO-year abnormal, and not expected, accruals explain the cross-sectional variation in post-issue earnings and stock returns. The results are robust with respect to alternative abnormal accruals and earnings performance measures. IPO firms adopt more income-increasing depreciation policies when they deviate from similar prior performance same industry non-issuers, and they provide significantly less for uncollectible accounts receivable than their matched non-issuers. The results taken together suggest opportunistic earnings management partially explains the new issues anomaly.
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    The visual computer 15 (1999), S. 90-99 
    ISSN: 1432-2315
    Keywords: Key words: Cloth deformation ; Geometric constraint ; Geometric physical method ; Constrained finite element method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Experiments in fluids 20 (1996), S. 429-432 
    ISSN: 1432-1114
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A new technique of calibrating a parallel-wire depth probe is presented. The technique allows the effects of electric conductivity of liquids to be compensated. The advantage of the probe lies in its simple AC circuitry employed which consists of only a variable resistor together with one AC input and an AC output. The compensation technique employs a two-staging compensation method that allows only one calibration curve to be used for measuring the depth of various liquids with different electric conductivity values.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Heat and mass transfer 34 (1998), S. 63-68 
    ISSN: 1432-1181
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Abstract The experimental investigations were consisting of two parts. The first part was carried out to study the effect of corner geometry on the steady-state forced convection inside horizontal isosceles triangular ducts with sharp corners. The electrically-heated triangular duct was used to simulate the triangular passage of a plate-fin compact heat exchanger. The isosceles triangular ducts were manufactured with duralumin, and fabricated with the same length of 2.4 m and hydraulic diameter of 0.44 m, but five different apex angles (i.e. θ a =15∘,30∘, 40∘,60∘, and 90∘) respectively. The investigation was performed under turbulent flow condition covering a wide range of Reynolds number (i.e. 7000≤Re D ≤20000). It was found that the best thermal performance is achieved with the apex angle of 60∘. The second part was performed to investigate the effect of surface roughness on the forced convection of the same system. Horizontal equilateral triangular ducts with an apex angle of 60∘ were fabricated with the same length and hydraulic diameter, but different average surface roughnesses of 1.2 m,3.0 m and 11.5 m respectively. It was concluded that the duct with a higher surface roughness will have a better heat transfer performance. Non-dimensional expressions for the determination of the heat transfer coefficient of the triangular ducts with different apex angles and surface roughnesses were also developed.
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  • 5
    ISSN: 1573-904X
    Keywords: monoamine oxidase inhibitors ; tranylcypromine ; N-(2-cyanoethyl)tranylcypromine ; catecholamines ; brain ; prodrug
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Abstract The disposition of the N-cyanoethyl analogue of tranylcypromine (TCP) and the TCP formed from it have been studied in the rat brain following intraperitoneal (ip) administration (0.1 mmol/kg) and the resultant data compared with those obtained following an equimolar dose of TCP. Brain concentrations of the neurotransmitter amines dopamine (DA) and noradrenaline (NA) have also been determined, as well as the percentage inhibition of monoamine oxidase (MAO) types A and B. Our results indicate that the N-cyanoethyl analogue may be a useful prodrug of TCP, providing lower but more sustained concentrations of TCP in brain. Brain levels of DA were increased in a similar pattern after CE-TCP or TCP. Brain levels of NA were decreased by TCP at most time intervals, while CE-TCP produced a much less pronounced effect. Both CE-TCP and TCP inhibited MAO-A and MAO-B, with maximum inhibition occurring 60 min after CE-TCP dosing and 30 min after dosing with TCP, times at which brain concentrations of CE-TCP and TCP were at the maximum.
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Journal of scientific computing 3 (1988), S. 121-137 
    ISSN: 1573-7691
    Keywords: Computational fluid dynamics ; compressible Navier-Stokes equations ; zonal method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract An Euler/Navier-Stokes zonal scheme is developed to numerically simulate the two-dimensional flow over a blunt leading-edge plate. The computational domain has been divided into inner and outer regions where the Navier-Stokes and Euler equations are used, respectively. On the downstream boundary, compatibility conditions derived from the boundary-layer equations are used. The grid is generated by using conformal mapping and the problem is solved by using a compressible Navier-Stokes code, which has been modified to treat Euler and Navier-Stokes regions. The accuracy of the solution is determined by the reattachment location. Bench-mark solutions have been obtained using the Navier-Stokes equations throughout the optimum computational domain and size. The problem is recalculated with sucessive decrease of the computational domain from the downstream side where the compatibility conditions are used, and with successive decrease of the Navier-Stokes computational region. The results of the zonal scheme are in excellent agreement with those of the benchmark solutions and the experimental data. The CPU time saving is about 15%.
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  • 7
    ISSN: 1573-8248
    Keywords: Biosteres tryoni ; Ceratitis capitata ; survivorship potential fecundity ; realized fecundity ; Biosteres tryoni ; Ceratitis capitata ; survie ; fécondité potentielle ; fécondité réelle
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Résumé LesBiosteres tryoni élevés en laboratoire atteignaient le sommet de leur maturation ovarienne le 5e jour après l'émergence chez les ♀♀ vierges et le 7e jour chez les ♀♀ accouplées. Quand il n'était pas permis aux ♀♀ de pondre, le contenu des oocytes était hydrolysé et réabsorbé. Cependant, quand des hôtes étaient disponibles pour la ponte, on notait une augmentation significative du taux de maturation des œufs. La moyenne de la fécondité réalisée durant la vie était 71,7±8,1 et 69,0±6,7 et la longévité moyenne était 13,5±0,9 et 15,1±0,6 jours pour les ♀♀ accouplées et les ♀♀ vierges respectivement.
    Notes: Abstract Laboratory-rearedBiosteres tryoni (Cameron) reached peak ovarian maturation on the 5th and 7th days after emergence in unmated and mated ♀♀, respectively. When ♀♀ were not allowed to oviposit, contents of the oocytes were hydrolyzed and reabsorbed. However, when hosts were available for oviposition a significant increase of egg maturation rate was noticed. Mean realized fecundity during the life span was 71.7±8.1 and 69.0±6.7, and mean longevity was 13.5±0.9 and 15.1±0.6 days for mated and unmated ♀♀ respectively.
    Type of Medium: Electronic Resource
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  • 8
    Electronic Resource
    Electronic Resource
    Springer
    BioControl 37 (1992), S. 391-396 
    ISSN: 1573-8248
    Keywords: Braconid ; opiine ; parasitoid ; trap ; fruit fly ; Braconidae ; Tephritidae ; parasitoïde ; piège
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Description / Table of Contents: Résumé Dans le but d'étudier les braconides parasitoïdes larvaires de la Mouche des fruits, un piège simple mais efficace a été conçu sous la forme d'une petite balle de plastique jaune contenant à l'intérieur une source d'odeur et recouverte à l'extérieur de Tanglefoot. Des essais de ce piège dans de grandes cages sur le terrain ont montré qu'il était plus simple d'utilisation, de moindre coût et d'une plus grande efficacité que les modèles précédemment signalés.
    Notes: Abstract A simple but effective trap for conducting field studies with opiine braconid parasitoids of fruit fly larvae was designed from yellow plastic balls containing an internal odor source and coated on the exterior with Tanglefoot. Tests of the trap in large field cages showed that it was simpler to use, less expensive, and more effective than previously reported designs.
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  • 9
    Electronic Resource
    Electronic Resource
    Springer
    Cellular and molecular life sciences 32 (1976), S. 1469-1471 
    ISSN: 1420-9071
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Summary The effects of red and far red light on the development of the retinas were studied in the neonatal rat models. Red light appeared to be stimulatory and far red light appeared to be inhibitory.
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  • 10
    ISSN: 1423-0127
    Keywords: Rostral ventrolateral medulla ; Cardiovascular neurons ; Arterial blood pressure ; Angiotensin II ; Hypertension
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Notes: Abstract The interactive role of rostral ventrolateral medulla (RVL) cardiovascular neurons and brain angiotensin II (Ang II) in regulating the arterial blood pressure was examined by recording simultaneously the spontaneous activity of these spinal projecting neurons and the arterial blood pressure in the pentobarbital-anesthetized spontaneously hypertensive rat (SHR) and its normotensive control, the Wistar Kyoto rat (WKY). It was found that Ang II elicited dose-dependent excitatory responses in a subpopulation of RVL cardiovascular neurons, followed by a subsequent increase in blood pressure. These effects of Ang II were significantly greater in SHR than in WKY. The effects were attenuated or abolished by co-administration of Ang II antagonist, [Sar1, Ile8]-Ang II. Pre-administration of [Sar1, Ile8]-Ang II to RVL using bilateral microinjection attenuated the blood pressure effects of intracerebroventricularly administered Ang II by as much as 70%. These results indicated that spinal projecting RVL cardiovascular neurons are important in mediating the pressor action of Ang II. The enhanced sensitivity and responsiveness of RVL cardiovascular neurons to Ang II may be pertinent to the genesis of hypertension in adult SHR.
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