Results 191 to 200 of about 1,055,858 (237)

Preferential trading in agriculture: New insights from a structural gravity analysis and machine learning

open access: yesAmerican Journal of Agricultural Economics, EarlyView.
Abstract Preferential trade agreements (PTAs) contain various non‐tariff provisions, yet identifying their trade effects remains challenging because these commitments are high‐dimensional and strongly correlated within agreements. We estimated a theory‐consistent structural gravity model with domestic flows for 26 agricultural subsectors over 1988–2017
Dongin Kim, Sandro Steinbach
wiley   +1 more source

Initial Stay Time and Work‐Rest Scheduling During Consecutive Heavy‐Intensity Workdays in Hot Environments in Young and Older Males

open access: yesAmerican Journal of Industrial Medicine, EarlyView.
ABSTRACT Introduction This study examined initial stay times (IST), defined as the duration of uninterrupted work before core temperature approaches recommended safety limits (38.0°C, ~1.0°C above baseline), and the efficacy of work‐rest cycles during repeated heavy work across consecutive workdays in young and older males.
Glen P. Kenny   +6 more
wiley   +1 more source

Shadow Infrastructures of Labour: A Case Study of Generative AI Use in Victorian Child Protection Practice

open access: yesAustralian Journal of Social Issues, EarlyView.
ABSTRACT Generative Artificial Intelligence (GenAI) tools such as ChatGPT are rapidly entering workplaces, yet their use in frontline human services remains largely undocumented and weakly regulated. Drawing on an investigation into a child protection worker's informal use of ChatGPT, this article provides insight into how GenAI is already shaping ...
Joel Robert McGregor   +3 more
wiley   +1 more source

Human Performance in Altered-Gravity Environments

open access: yesFrontiers in Physiology, 2018
openaire   +1 more source

Complete Pathway Refactoring and Combinatorial Biosynthesis of Anthracyclines for Modulation of Histone Eviction and DNA Damage Bioactivities

open access: yesAngewandte Chemie, EarlyView.
A synthetic biology platform was established for the complete refactoring of complex anthracycline biosynthetic pathways in Streptomyces coelicolor using standardized, chemically synthetic DNA parts. This modular construction enabled streamlined combinatorial biosynthesis, yielding novel analogs that decouple DNA damage from chromatin damage (histone ...
Rongbin Wang   +15 more
wiley   +1 more source
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Otolith Adaptive Responses to Altered Gravity

Neuroscience and Biobehavioral Reviews, 2021
The force of gravity has remained constantly present over the course of animal evolution and forms our frame of reference with the environment, including spatial orientation, navigation, gaze and postural stability. Inertial head accelerations occur within this gravity frame of reference naturally during voluntary movements and perturbations. Execution
Richard Boyle
exaly   +3 more sources

Effect of Altered Gravity on the Neurobiology of Fish

Die Naturwissenschaften, 1999
In vertebrates (including humans) altered gravitational environments such as weightlessness can induce malfunction of the inner ears due to a mismatch between canal and statolith afferents. This leads to an illusionary tilt because the inputs from the inner ear are not confirmed by the other sensory organs, which then results in intersensory conflict ...
Hinrich Rahmann, R H Anken
exaly   +3 more sources

Aging and Altered Gravity: A Cellular Perspective

open access: yesFASEB Journal
ABSTRACT The elderly and astronauts exhibit strikingly similar phenotypes. Although much research has addressed the comparison between these two groups at the level of the whole organism or organ level, like the musculoskeletal system, comparative studies at the cellular level remain limited.
Jack van Loon, Sharon van Rijthoven
exaly   +5 more sources

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