1,721,263 research outputs found
Cambridge University Press, Cambridge, UK, 2022, 180 pp, £14.99 (paperback), ISBN: 9781009090865
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Bas Haring: Why biodiversity loss is not a disaster
Full text linkLeiden University Press, Leiden, The Netherlands, 2021, 88 pp, $17.50 (paperback), ISBN: 978908728353
Princeton University Press, Princeton, NJ, USA, 2023, 240 pp, $29.95 (hardback), ISBN: 9780691240732
No full textExperimental Investigation of the Effects of Pipe Material on the Leak Head‐Discharge Relationship
No full textThe Torricelli's formula is often used to define the dependence of the leak outflow on the flow conditions inside the pipe and on the leak characteristics. Some tests carried out at the Water Engineering Laboratory of the University of Perugia, Italy, show that differences in the leak head‐discharge relationships may arise even when the same leak is machined in pipes with the same inner diameter but of different thickness and material. These data can still be explained by the Torricelli's formula if the possible variation of the leak area due to the head is considered. When the pipe material behaves in a linear and elastic fashion, the leak area variation with the head is linear, while other formulations are needed when elastoplastic or viscoelastic materials are used. As a consequence this effect can produce different leak head‐discharge relationships, depending on the constitutive law and behavior of the pipe material
On Finite Dimensional Filtering In Discrete-time
No full textIn this paper we prove that, under suitable regularity assumptions, a necessary condition for the existence of a finite-dimensional filter in discrete time is the possibility of finding a convenient decomposition of the filter system s(z, y) into a sum of a term depending only on the first variable plus one depending only on the second one. We also give additional results concerning the observation, prediction and filtering distributions
Princeton University Press, Princeton, USA, 2023, 368 pp. US$35.00 (hardcover), ISBN 9780691243108
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