Results 21 to 30 of about 62,227 (265)

Protein-Bound Uremic Toxins in Hemodialysis Patients Relate to Residual Kidney Function, Are Not Influenced by Convective Transport, and Do Not Relate to Outcome

open access: yesToxins, 2020
Protein-bound uremic toxins (PBUTs) are predominantly excreted by renal tubular secretion and hardly removed by traditional hemodialysis (HD). Accumulation of PBUTs is proposed to contribute to the increased morbidity and mortality of patients with end ...
Maaike K. van Gelder   +11 more
doaj   +1 more source

Convective Initiation Proxies for Nowcasting Precipitation Severity Using the MSG-SEVIRI Rapid Scan

open access: yesRemote Sensing, 2020
In this study, we investigate the ability of several convective initiation predictors based on satellite infrared observations to distinguish convective weak precipitation events from those leading to intense rainfall.
Donatello Gallucci   +10 more
doaj   +1 more source

Materializing Convection [PDF]

open access: yesArchitecture and Culture, 2019
This essay uses a physical modeling technique from mechanical engineering, the filling box, as a speculative architectural design tool. In the filling box, dyed salt water is injected into acrylic models submerged within a tank of fresh water, simulating the introduction of cold air into a warm environment or, when mirrored, the introduction of warm ...
openaire   +1 more source

Model of smoothing roughness on GaAs wafer surface by using nonabrasive chemical-and-mechanical polishing

open access: yesSemiconductor Physics, Quantum Electronics & Optoelectronics, 2017
Studied experimentally in this work has been the process of smoothing relief roughness on the GaAs wafer surface by using the method of contactless nonabrasive chemical-and-mechanical polishing under conditions of its rotational movement relatively to ...
A.V. Fomin   +3 more
doaj   +1 more source

A Stochastic Framework for Modeling the Population Dynamics of Convective Clouds

open access: yesJournal of Advances in Modeling Earth Systems, 2018
A stochastic prognostic framework for modeling the population dynamics of convective clouds and representing them in climate models is proposed. The framework follows the nonequilibrium statistical mechanical approach to constructing a master equation ...
Samson Hagos   +4 more
doaj   +1 more source

Multiple‐Instance Superparameterization: 1. Concept, and Predictability of Precipitation

open access: yesJournal of Advances in Modeling Earth Systems, 2019
We have investigated the predictability of precipitation using a new configuration of the superparameterized Community Atmosphere Model (SP‐CAM). The new configuration, called the multiple‐instance SP‐CAM, or MP‐CAM, uses the average heating and drying ...
Todd R. Jones   +2 more
doaj   +1 more source

The Effect of Internal and External Heating on the Free Convective Flow of a Bingham Fluid in a Vertical Porous Channel

open access: yesFluids, 2019
We study the steady free convective flow of a Bingham fluid in a porous channel where heat is supplied by both differential heating of the sidewalls and by means of a uniform internal heat generation.
D. Andrew S. Rees, Andrew P. Bassom
doaj   +1 more source

Granular Convection in Microgravity [PDF]

open access: yesPhysical Review Letters, 2013
We investigate the role of gravity on convection in a dense granular shear flow. Using a microgravity modified Taylor-Couette shear cell under the conditions of parabolic flight microgravity, we demonstrate experimentally that secondary, convective-like flows in a sheared granular material are close to zero in microgravity and enhanced under high ...
Murdoch, N.   +6 more
openaire   +6 more sources

Multiple‐Instance Superparameterization: 2. The Effects of Stochastic Convection on the Simulated Climate

open access: yesJournal of Advances in Modeling Earth Systems, 2019
The cloud‐permitting model (CPM) of the superparameterized Community Atmosphere Model (SP‐CAM) is a stochastic parameterization. As reported in a companion paper, we have created a variant of SP‐CAM, called MP‐CAM, that uses the averaged feedback of 10 ...
Todd R. Jones   +2 more
doaj   +1 more source

Criterios para el inicio de la convección y la formación de estructuras coherentes sobre Camagüey, Cuba Criteria for the onset of convection and the formation of coherent structures over Camaguey, Cuba

open access: yesRevista Brasileira de Meteorologia, 2011
São apresentados os resultados de uma investigação sobre o processo de convecção de Rayleigh - Bénard partindo do cálculo dos números adimensionais de Rayleigh (Ra) e de Richardson (Ri), com o objetivo de encontrar critérios que sejam representativos do ...
Nivian Quintana Rodríguez   +2 more
doaj   +1 more source

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