Results 31 to 40 of about 4,208,553 (288)

Study of a laminar falling film flowing over a wavy wall column: Part I. Numerical investigation of the flow pattern and the coupled heat and mass transfer [PDF]

open access: yes, 2001
Flow pattern and heat and mass transfer characteristics for a film flowing over a vertical wavy column are numerically investigated in a laminar flow regime.
Prevost, Michel   +5 more
core   +1 more source

Detection of changes in flow regime of rivers in Poland

open access: yesJournal of Hydrology and Hydromechanics, 2018
The aim of this study is to detect changes in flow regime of rivers in Poland. On the basis of daily discharges recorded in 1951-2010 at 159 gauging stations located on 94 rivers regularities in the variability of the river flow characteristics in the ...
Wrzesiński Dariusz, Sobkowiak Leszek
doaj   +1 more source

The salmonid and the subsurface: Hillslope storage capacity determines the quality and distribution of fish habitat

open access: yesEcosphere, 2023
Water in rivers is delivered via the critical zone (CZ)—the living skin of the Earth, extending from the top of the vegetation canopy through the soil and down to fresh bedrock and the bottom of significantly active groundwater. Consequently, the success
D. N. Dralle   +8 more
doaj   +1 more source

Experimental Study on the Flow Regime Evolution of Stiff Shotcrete Materials in Pneumatic Conveying

open access: yesBuildings
Pneumatic conveying of stiff shotcrete material plays a crucial role in mine support; however, the flow regime evolution mechanism of its complex multi-scale particle system during conveying remains insufficiently studied.
Zhi Zhou, Zhiwei Shi, Zhenjiao Sun
doaj   +1 more source

Central Nervous System Tumors Among Infants in Canada: A Report From CYP‐C

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Central nervous system (CNS) tumors in infants are rare, pose unique clinical challenges, and lack large‐scale evidence‐based data to guide management. This study seeks to describe CNS tumors in Canadian infants and to compare their outcomes with those of older children.
Samuel Sassine   +17 more
wiley   +1 more source

Low-level vertical wind shear effects on the gravity wave breaking over an isolated two-dimensional orography [PDF]

open access: yesTellus: Series A, Dynamic Meteorology and Oceanography, 2012
Flow regimes of dry, stratified flow passing over an isolated two-dimensional (2-D) orography mainly concentrate at two stagnation points. One occurs on the upslope of the orography owing to flow blocking; another is related to gravity wave breaking (GWB)
Xu-Wei Bao, Zhe-Min Tan
doaj   +1 more source

Retrospective Analysis of Donor Lymphocyte Infusions in Pediatric Patients With Mixed Chimerism After Hematopoietic Stem Cell Transplantation

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Allogeneic hematopoietic stem cell transplantation (alloHSCT) is an essential therapy for several malignant and nonmalignant diseases, but relapse and graft loss remain the principal threats to its success. Routine monitoring of chimerism and minimal residual disease (MRD) enables early detection of imminent recurrence and guides ...
Carmen Junk   +10 more
wiley   +1 more source

A new method to assess the flow regime alterations in riverine ecosystems

open access: yes, 2014
Assessing alterations of a river's flow regime provides the basis for river protection and restoration planning. The range of variation approach (RVA) is a commonly used method to evaluate alterations in a river's flow regime. However, RVA underestimates
Yang, Z.-F., Petts, G.E., Yin, X.-A.
core   +1 more source

Eco-hydrological impacts of urbanization

open access: yesShui kexue jinzhan, 2012
Eco-hydrological impacts caused by urbanization are important issues in protecting and restoring river ecosystem.Given the importance of flow regime in maintaining river ecosystem integrality,an eco-hydrological indicator system including flow duration ...
SUN Yan-wei   +4 more
doaj   +1 more source

Diagnosing Stagnant Gas Bubbles in a Polymer Electrolyte Membrane Water Electrolyser Using Acoustic Emission

open access: yesFrontiers in Energy Research, 2020
The use of acoustic emission as a low-cost, non-destructive, and operando diagnostic tool has been demonstrated for a range of electrochemical energy conversion and storage devices, including polymer electrolyte membrane water electrolysers (PEMWEs) and ...
Maximilian Maier   +14 more
doaj   +1 more source

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