Results 131 to 140 of about 21,652,589 (289)

R&D, Production Structure, and Productivity Growth in the U.S., Japaneseand German Manufacturing Sectors [PDF]

open access: yes
The paper analyzes the production structure and the demand for inputs in three major industrialized countries, the U.S., Japan and Germany. A dynamic factor demand model with two variable inputs (labor and energy)and two quasi-fixed inputs (capital and R&
Pierre A. Mohnen   +2 more
core  

El factor de modificación de respuesta, R, para edificios de período corto

open access: yesRevista de I + D Tecnológico, 2002
La aplicación del Factor de Modificación de Respuesta, R, en la estimación del cortante sísmico basal (ATC-3-06), reconoce la habilidad de una estructura para disipar energía en el rango inelástico.
Óscar Ramírez
doaj  

Rain Erosivity Factor (R) and Topographic Factor (LS) of the Universal Soil Loss Equation (USLE) in a Semi-Desert Area

open access: yesEarth
Water erosion is a critical degradation process that reduces fertility and agricultural sustainability, especially in semi-arid regions. The Universal Soil Loss Equation (USLE) allows for the quantification of this phenomenon using factors such as ...
Lorena Ceballos-Pérez   +5 more
doaj   +1 more source

Ligand‐dependent transcriptional heterogeneity in cell cycle gene expression delays G1/S entry

open access: yesFEBS Letters, EarlyView.
EGF and HRG induce distinct G1/S progression programs in ErbB2‐amplified BT474 breast cancer cells. Despite activating the potent ErbB2–ErbB3 heterodimer, HRG does not accelerate cell‐cycle entry. Instead, EGF promotes earlier restriction‐point passage via ERK–FOS signaling, whereas HRG activates the AKT–MYC axis, driving transcriptional heterogeneity ...
Ririn Rahmala Febri   +5 more
wiley   +1 more source

Estimation of soil erosion using revised universal soil loss equation (RUSLE) and GIS in the Surma watershed, Omo Basin, Ethiopia

open access: yesDiscover Environment
Soil erosion is a critical environmental issue, particularly in developing regions like Ethiopia, where agricultural practices and deforestation exacerbate land degradation.
Adimasu Tafesse Gontte   +3 more
doaj   +1 more source

Emerging experimental and computational methods for studying redox‐regulated structural transitions

open access: yesFEBS Letters, EarlyView.
Redox reactions can reshape proteins and alter how they behave in cells, with important consequences for health and disease. This review explores emerging experimental and computational approaches for discovering these redox‐sensitive protein switches, revealing their structural effects, and predicting their behavior, opening new opportunities to ...
Tasneem Rass   +2 more
wiley   +1 more source

Translophagy—A potential link between autophagy impairment and translational errors

open access: yesFEBS Letters, EarlyView.
Neurodegenerative diseases are characterised by the accumulation of abnormal proteins and protein aggregates, but their origin often remains unknown. We propose that selective autophagy removes damaged protein‐making machinery, preventing errors during protein synthesis.
Mykola V. Korolchuk   +11 more
wiley   +1 more source

El Giro de Lenin o el Factor-R de la Comunicación

open access: yesRevista Mad, 2012
La identidad puede ser modelada por el enfoque matemático cualitativo de Spencer-Brown, introduciendo la identidad como un tema acordado entre el observador de primer orden y de segundo orden durante una situación comunicativa.
Dirk Baecker
doaj  

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