Results 221 to 230 of about 3,043,651 (296)

Estudios de la carrera de química: objetivos de la química

open access: yesRevista Colombiana de Química, 2009
Universidad Nacional de Colombia Universidad Nacional de Colombia
doaj  

µCT scanning effects on aDNA and a multi-step workflow for archaeological petrous portions. [PDF]

open access: yesPLoS One
Menéndez LP   +35 more
europepmc   +1 more source

Big Bird: A global dataset of birds in drone imagery annotated to species level

open access: yesRemote Sensing in Ecology and Conservation, EarlyView.
Drones are a valuable tool for surveying birds, but manually detecting and identifying birds in drone images is costly. We assembled a diverse dataset of 23 865 images of birds captured with 21 different drones across 11 countries. We labelled 4824 of these images, detailing the location, species, posture category, age category, and sex of 49 990 birds
Joshua P. Wilson   +19 more
wiley   +1 more source

Social Sustainability in Circular Bioeconomy Business Models: Insights From Argentina

open access: yesSustainable Development, EarlyView.
ABSTRACT Research on circular bioeconomy business models (CBEBM) has largely prioritised environmental and economic aspects, leaving out the social pillar. To address this gap, this paper analyses to what extent and in what ways social sustainability is integrated into CBEBM, based on 12 cases from northern Argentina, a region with high potential for ...
Celina N. Amato   +2 more
wiley   +1 more source

Association between periodontal disease and chronic obstructive pulmonary disease: an umbrella review. [PDF]

open access: yesFront Oral Health
Cruzado-Oliva FH   +6 more
europepmc   +1 more source

Does Carbon Intensity Affect the Cost of Equity? An Empirical Study From Mexico

open access: yesSustainable Development, EarlyView.
ABSTRACT Climate change poses significant risks for companies, particularly in emerging countries like Mexico, where sustainability perceptions are evolving. This study analyzes how carbon emissions affect the cost of equity capital (CoE) for Mexican firms.
Guillermo Pérez‐Elizundia   +2 more
wiley   +1 more source

Primer congreso colombiano de estadística

open access: yesRevista Colombiana de Estadística, 1982
Universidad Nacional de Colombia Universidad Nacional de Colombia
doaj  

Author Correction: Tree diversity is changing across tropical Andean and Amazonian forests in response to global change. [PDF]

open access: yesNat Ecol Evol
Fadrique B   +160 more
europepmc   +1 more source

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