Results 51 to 60 of about 12,340 (209)

QUETZAL MINI, USB-C powered Sodium-Ion compatible battery charger performance evaluation [PDF]

open access: yesRevista Română de Informatică și Automatică
Hobbyiștii și industria RC s-au bazat pe bateriile cu litiu de ani de zile ca sursă principală de energie, dar, odată cu apariția unei noi tehnologii, bazată pe ioni de sodiu, există acum o alternativă mai ecologică (Xiaosheng Cai et al., 2024). Cu toate
Andrei FOCA
doaj   +1 more source

Semblanzas Ictiológicas: Matías Pandolfi [PDF]

open access: yes, 2013
través de esta serie intentaremos conocer diferentes facetas personales de los integrantes de nuestra “comunidad”. El cuestionario, además de su principal objetivo, con sus respuestas quizás nos ayude a encontrar entre nosotros puntos en común que vayan
López, Hugo Luis, Ponte Gómez, Justina
core   +2 more sources

An ethnography of joy: Entrepreneurship among Latinx communities in East Los Angeles

open access: yesAmerican Anthropologist, Volume 126, Issue 4, Page 635-646, December 2024.
Abstract How do people living at the intersection of various forms of injury seek out collective experiences of joy? I explore this question through fieldwork with Latinx female and queer artists and entrepreneurs, some of them undocumented, who consciously seek out and enact joy in their communities in East Los Angeles.
Yana Stainova
wiley   +1 more source

Herbarium and field studies of nickel hyperaccumulator plants from ultramafic soils in Guatemala

open access: yesEcological Research, Volume 39, Issue 6, Page 838-851, November 2024.
A survey of herbarium specimens from ultramafic (serpentine) soils in Guatemala, using x‐ray fluorescence analysis, has revealed hyperaccumulation of nickel in several species, not previously known to accumulate metals. The figure shows the geographic distribution of Ni‐hyperaccumulating plants in Arachnothryx linguiformis (Rubiaceae), and the ...
Haley P. Disinger   +8 more
wiley   +1 more source

Two new species of Brueelia Kéler, 1936 (Ischnocera, Philopteridae) parasitic on Neotropical trogons (Aves, Trogoniformes)

open access: yesZooKeys, 2011
Two new species of Brueelia are described and illustrated. These new species and their type hosts are: Brueelia sueta ex Pharomachrus pavoninus (Spix, 1824), the Pavonine Quetzal and Brueelia cicchinoi ex Trogon viridis Linnaeus, the White-tailed Trogon.
Michel Valim, Jason Weckstein
doaj   +1 more source

From cash to conservation: Which wildlife species appear on banknotes?

open access: yesPeople and Nature, Volume 6, Issue 5, Page 1849-1864, October 2024.
Abstract The use of wildlife imagery in society is highly varied and could contribute to reinforcing national identity. Standard depictions of wildlife include photographs, video, artwork and symbols or icons, including on currency. We investigated the representation of native fauna on 4541 banknotes from 207 countries between 1980 and 2017, to ...
Beaudee Newbery   +2 more
wiley   +1 more source

A Guatemalan Soycow Cooperative: Is the Whole Greater than the Sum of its Parts? [PDF]

open access: yes
Teaching Notes available upon request: ifamr@ifama.org; Author video:http://www.youtube.com/user/ifamr1?feature=mhum#p/u/8/FhUZu2lt6NsSoycow, cooperative, Guatemala, teaching case, Agribusiness, Q10,
Blumthal, Meredith   +3 more
core   +1 more source

Efectividad de la intervención cambiaria en Guatemala

open access: yesEl Trimestre Económico, 2010
La efectividad de las intervenciones cambiarias de compra y de venta de dólares del Banco de Guatemala se analiza en el contexto de un modelo ACT-GARCH.
Carlos Eduardo Castillo Maldonado
doaj  

Morpho-acoustic variability of cold seeps on the continental slope offshore Nicaragua: result of fluid flow interaction with sedimentary processes [PDF]

open access: yes, 2010
Based on multibeam bathymetry, high-resolution deep-towed sidescan sonar and Chirp subbottom profiling 32 cold seep sites, already identified in Sahling et al. (2008a), have been studied in an approximately 1000 km2 large area ranging from 800 to 2600 m
Bürk, Dietmar   +3 more
core   +1 more source

Western North American Cruise Shipping Network: Space Structure and System

open access: yesComplexity, Volume 2024, Issue 1, 2024.
Regionalization is the basic feature of cruise shipping network organization. We insist that the cruise networks of Alaska, Hawaii, etc., have developed into a whole with the scaling up of cruise tourism. To prove it, we used complex network analysis methods to explore the port connections and the spatial structure of the cruise shipping network in ...
Xumao Li   +3 more
wiley   +1 more source

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