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Relevant bibliographies by topics / Stepped pressure filtration

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Academic literature on the topic 'Stepped pressure filtration'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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Journal articles on the topic "Stepped pressure filtration"

1

Tiller, F. M., W. P. Li, and J. B. Lee. "Determination of the critical pressure drop for filtration of super-compactible cakes." Water Science and Technology 44, no. 10 (November 1, 2001): 171–76. http://dx.doi.org/10.2166/wst.2001.0611.

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In accord with Darcy's law, the flow rate through a porous bed depends upon the pressure drop Δpc. In general, increasing Dpc leads to increased values of flow rate and average percentage solids in filtration operations. When cakes become super-compactible, their behavior undergoes an unexpected change in which both the flow rate and the percentage solids reach maximum values and thereafter are unaffected by increasing Δpc. The critical pressure drop ΔpcR is defined as that value at which the flow rate reaches 90% of its ultimate value. When Δpc is greater than DpcR and is doubled or tripled,

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2

Hill, J. V., G. Findon, R. J. Appelhoff, and Z. H. Endre. "Renal autoregulation and passive pressure-flow relationships in diabetes and hypertension." American Journal of Physiology-Renal Physiology 299, no. 4 (October 2010): F837—F844. http://dx.doi.org/10.1152/ajprenal.00727.2009.

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We investigated renal hemodynamics in isolated, perfused kidneys from rat models of diabetes and hypertension. Autoregulation and passive vascular responses were measured using stepped pressure ramps in the presence of angiotensin II (pEC50) or papaverine (0.1 mM), respectively. Male diabetic heterozygote m(Ren2)27 rats were compared with three male control groups: nondiabetic, normotensive Sprague-Dawley (SD) rats; nondiabetic, hypertensive heterozygote m(Ren2)27 rats; and diabetic, normotensive SD rats. Kidney function (proteinuria, creatinine clearance) was monitored before induction and at

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3

LAI-FOOK, STEPHEN J. "Pleural Mechanics and Fluid Exchange." Physiological Reviews 84, no. 2 (April 2004): 385–410. http://dx.doi.org/10.1152/physrev.00026.2003.

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Lai-Fook, Stephen J. Pleural Mechanics and Fluid Exchange. Physiol Rev 84: 385–410, 2004; 10.1152/physrev.00026.2003.—The pleural space separating the lung and chest wall of mammals contains a small amount of liquid that lubricates the pleural surfaces during breathing. Recent studies have pointed to a conceptual understanding of the pleural space that is different from the one advocated some 30 years ago in this journal (Agostoni E. Physiol Rev 52: 57–128, 1972). The fundamental concept is that pleural surface pressure, the result of the opposing recoils of the lung and chest wall, is the maj

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Dissertations / Theses on the topic "Stepped pressure filtration"

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Kurt, Nilufer, and nilf_k@yahoo com au. "A Study of Channelling Behaviour in Batch Sedimentation." RMIT University. School of Civil and Chemical Engineering, 2006. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20061220.120258.

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Batch sedimentation is a method that enables us to understand the mechanism of compaction and compression of sedimenting slurry. However, batch settling behaviour is a very complex phenomenon that is not easily described fully by a mathematical model. This causes unrealistically large empirical calculations when the thickener size estimations are required. Channelling, reverse concentration gradients and the initial concentration of the slurry have large effects on batch settling. Existing procedures do not provide clear relationships involving these three significant variables. In this stud

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Book chapters on the topic "Stepped pressure filtration"

1

Penman, Alan D., Kimberly W. Crowder, and William M. Watkins. "Intraocular Pressure Control and Long-Term Visual Field Loss in Open-Angle Glaucoma." In 50 Studies Every Ophthalmologist Should Know, 91–96. Oxford University Press, 2020. http://dx.doi.org/10.1093/med/9780190050726.003.0016.

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The Collaborative Initial Glaucoma Treatment Study (CIGTS) was a randomized clinical trial to determine whether patients with newly diagnosed open-angle glaucoma (OAG) were managed better by initial treatment with medications (using a stepped regimen of medications starting initially with a topical beta-blocker) or by immediate filtration surgery (trabeculectomy with or without 5-fluorouracil). Although the surgery group achieved a lower mean intraocular pressure (IOP) than the medication group, both groups had similarly low rates of visual field progression. Three measures of IOP fluctuation over extended time, the range of IOP, the standard deviation of IOP, and the maximum IOP, seem to play an important role in visual field progression The results showed that more aggressive treatment was warranted when undue elevation or variation in IOP measures is observed.

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