Results 11 to 20 of about 359,877 (146)

Solids motion in fluidised beds of fine particles [PDF]

open access: yes, 2010
Although there has been ongoing research on fluidised beds for the past 70 years, the interaction between particles and rising bubbles and the general solids motion in bubbling fluidised beds are still not fully understood.
Lam Cheun U, You Van
core   +7 more sources

An investigation on the mechanics of homogeneous expansion in gas-fluidized beds [PDF]

open access: yes, 2015
The Richardson and Zaki (1954, Sedimentation and fluidization. Trans. Inst. Chem. Eng. 32, pp. 35–53.) equation has been used extensively to investigate the expansion profiles of homogeneous gas-fluidized beds.
Oke, O   +5 more
core   +1 more source

The invasive tropical tanner grass decreases diversity of the native aquatic macrophyte community at two scales in a subtropical tidal river

open access: yesActa Botânica Brasílica, 2021
The tropical tanner grass, Urochloa arrecta, is one of the worst aquatic plant invaders in Brazilian freshwater ecosystems. This study aimed to compare beds of macrophytes dominated and without U.
Rayana Yumi Sato   +2 more
doaj   +1 more source

Fusarium graminearum in Stored Wheat: Use of CO2 Production to Quantify Dry Matter Losses and Relate This to Relative Risks of Zearalenone Contamination under Interacting Environmental Conditions

open access: yesToxins, 2018
Zearalenone (ZEN) contamination from Fusarium graminearum colonization is particularly important in food and feed wheat, especially during post-harvest storage with legislative limits for both food and feed grain.
Esther Garcia-Cela   +4 more
doaj   +1 more source

Permanent Bed Width Has Little Effect on Crop Yield under Rainfed and Irrigated Conditions across Central Mexico

open access: yesAgriculture, 2021
In Mexico, conservation agriculture has been mainly implemented using permanent beds, where the top of the raised beds is not tilled, which allows them to obtain the benefits of conservation agriculture for yield and soil quality. However, narrow (0.75–0.
Abel Saldivia-Tejeda   +3 more
doaj   +1 more source

La méthode hydrogéomorphologique de détermination des zones inondables

open access: yesPhysio-Géo, 2011
L'ouvrage fait le point sur les développements de la méthode mise au point dans les années 1980 et présentée en détail pour la première fois en 1996.
Jean-Louis Ballais   +4 more
doaj   +1 more source

Design Requirements of Analogue Transmitters for Use in Hazardous Atmospheres

open access: yesMeasurement + Control, 1974
This paper considers some of the major design parameters of transmitters with direct current analogue output which are normally associated with measurement in the petrochemical industries.
L. C. Towle
doaj   +1 more source

Taxonomic and functional diversity of benthic macrofauna associated with rhodolith beds in SE Brazil [PDF]

open access: yesPeerJ, 2021
Rhodoliths are free-living and morphologically diverse marine calcareous algae commonly distributed over the continental shelf seafloor. They increase the seabed structural complexity and are of potential value as feeding and reproductive grounds for a ...
Patricia Sarcinelli Stelzer   +5 more
doaj   +2 more sources

Dinosaur footprints and other Ichnofauna from the Cretaceous Kem Kem Beds of Morocco [PDF]

open access: yes, 2014
We describe an extensive ichnofossil assemblage from the likely Cenomanian-age 'lower' and 'upper' units of the 'Kem Kem beds' in southeastern Morocco.
Baidder, Lahssen   +23 more
core   +2 more sources

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