Results 71 to 80 of about 31,550 (224)

A pan‐cheloniid turtle from the Middle Miocene of Portugal

open access: yesThe Anatomical Record, Volume 308, Issue 6, Page 1623-1632, June 2025.
Abstract Currently, there is no information on the fossil record of Pan‐Cheloniidae from the Neogene of the Iberian Peninsula. A well‐preserved partial skeleton attributable to this lineage of turtles, from the Middle Miocene of Portugal, is presented here.
Adán Pérez‐García   +1 more
wiley   +1 more source

A Cloud-Based Environment for Generating Yield Estimation Maps From Apple Orchards Using UAV Imagery and a Deep Learning Technique

open access: yesFrontiers in Plant Science, 2020
Farmers require accurate yield estimates, since they are key to predicting the volume of stock needed at supermarkets and to organizing harvesting operations.
Orly Enrique Apolo-Apolo   +3 more
doaj   +1 more source

Mecánica de Fluidos

open access: yes, 2020
El objetivo general del laboratorio es realizar prácticas experimentales de la asignatura de mecánica de fluidos, con el fin de que el estudiante afiance los conocimientos teóricos de la asignatura.
Julio Rada, Félix   +2 more
openaire   +1 more source

Materiales de la asignatura Mecánica de Fluidos (curso 2011-2012)

open access: yes, 2012
En este material están contenidos los conceptos básicos del curso de Mecánica de fluidos, de tercer curso de la titulación de Ingeniero Químico de la Universidad de Alicante.
Martin-Gullon, Ignacio   +1 more
core  

Cinemática de los fluidos. Clasificación de los fluidos

open access: yes, 2022
El objeto de aprendizaje muestra una clasificación de los fluidos que permite contextualizar los diferentes tipos posibles para clasificar fluidos atendiendo a sus variableshttps://polimedia.upv.es/visor/?id=870ea4e0-5154-11ed-8632-3745545c58fdPérez ...
Pérez-Sánchez, Modesto
core  

Differential xylem phytohormone export from dry and wet roots during partial rootzone drying is independent of shoot‐to‐root transport in soybean

open access: yesPhysiologia Plantarum, Volume 177, Issue 3, May/June 2025.
Abstract Different phytohormones can act as root‐to‐shoot signalling molecules in response to soil drying. Recent findings suggest that root ABA levels are predominantly leaf‐sourced and not locally synthesized, thus, ABA exported from the roots in the xylem is mostly recycled from the shoot.
Jaime Puértolas   +3 more
wiley   +1 more source

Uso de explosivos en la agricultura: una alternativa en el caso de suelos compactados

open access: yesAgronomía Colombiana, 1991
La compactación del suelo afecta el medio físico del mismo, lo cual determina cambios en su comportamiento disminuyendo<br />su productividad. La compactación, originada por Causas antrópicas y/o geoquímicas reduce la permeabilidad del suelo a ...
Mesa López Luis Jorge   +1 more
doaj  

Operaciones de Flujo de Fluidos. Tema 3: Circulación de fluidos incompresibles

open access: yes, 2011
Apuntes del tema 3 de Operaciones de Flujo de Fluidos. El tema describe el flujo interno de fluidos incompresibles. La primera parte describe el flujo en conducciones cilíndricas, no cilíndricas y redes de conducciones.
Salcedo Díaz, Raquel
core  

O Vôo dos Pássaros e a Mecânica dos Fluidos [PDF]

open access: yes, 2012
Unavailable.O progresso da mecânica dos fluidos sob o ponto de vista da sua perspectiva histórica é revisto. Interessado em desvelar a mais remota linha de pensamento que tenha nos conduzido ao atual estado do conhecimento, este artigo abrange três ...
Freire, Atila Pantaleão Silva
core  

Manipulation of Cancer Cell Spheroids by Photovoltaic Tweezers: Determination of Their Charge State

open access: yesAdvanced Photonics Research, Volume 6, Issue 4, April 2025.
Droplets containing spheroids of two cancer cell lines, MCF‐7 and U‐87‐MG, have been successfully manipulated by light‐induced electrical fields generated by photovoltaic tweezers. From the droplet dynamics, the charge state of the cell culture medium and the spheroids are obtained resulting in positively and negatively charged, respectively. Moreover,
Esther Rincón   +6 more
wiley   +1 more source

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