Results 21 to 30 of about 1,709,689 (401)

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

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

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

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

Nonequilibrium identities of granular vibrating beds [PDF]

open access: yes, 2013
We derive the integral fluctuation theorem around a nonequilibrium stationary state for frictionless and soft core granular particles under an external vibration achieved by a balance between an external vibration and inelastic collisions.
Hayakawa, Hisao
core   +2 more sources

Biosensors Best Paper Award 2015

open access: yesBiosensors, 2015
With the start of 2015, Biosensors is instituting an annual award to recognize outstanding papers related to science and technology of biosensors and biosensing that meet the aims, scope and high standards of this journal.[...]
Jeff D. Newman
doaj   +1 more source

El bosque petrificado Piedra Chamana

open access: yesRevista Peruana de Biología, 2020
El Bosque Petrificado Piedra Chamana, cerca del pueblo de Sexi en Cajamarca, registra la vegetación de los trópicos de Sudamérica de hace 39 millones de años, la que existió en los inicios de la historia de los bosques tropicales del Nuevo Mundo y antes ...
Deborah Woodcock   +4 more
doaj   +1 more source

Effects of El Niño on beds of Ulva lactuca along the northwest coast of the Gulf of California, Mexico [PDF]

open access: yesGeofísica Internacional, 2003
The effect of El Niño 1997-1998 on the biomass and size of beds of the green alga Ulva lactuca L., along the northwest coast of the Gulf of California across the Canal de Ballenas, was evaluated in May 1998 and compared with May 1995, 1996 and 2000.
R. Blanco-Betancourt   +5 more
doaj  

Estimating risk when zero events have been observed [PDF]

open access: yes, 2013
Assessing the risk of complications or adverse events following an intervention presents challenges when they have not yet occurred. Suppose, for instance, a chronic shortage of cardiac telemetry beds has prompted a hospital to implement a new policy ...
Dawson, Jesse   +2 more
core   +1 more source

Effect of mattress deflection on CPR quality assessment for older children and adolescents [PDF]

open access: yes, 2009
Appropriate chest compression (CC) depth is associated with improved CPR outcome. CCs provided in hospital are often conducted on a compliant mattress. The objective was to quantify the effect of mattress compression on the assessment of CPR quality in ...
Nishisaki, Akira   +11 more
core   +2 more sources

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