Results 21 to 30 of about 609,297 (304)

Proposal for ultrafast switching of ferroelectrics using mid-infrared pulses

open access: yes, 2015
I propose a method for ultrafast switching of ferroelectric polarization using mid-infrared pulses. This involves selectively exciting the highest frequency $A_1$ phonon mode of a ferroelectric material with an intense mid-infrared pulse. Large amplitude
Subedi, Alaska
core   +1 more source

Evolving perceptions of COVID-19 vaccines among remote Alaskan communities

open access: yesInternational Journal of Circumpolar Health, 2022
Given the dynamic nature of the ongoing pandemic, public knowledge and perceptions about COVID-19 are evolving. Limited transportation options, inconsistent healthcare resources, and lack of water and sanitation infrastructure in many remote Alaskan ...
Micah B. Hahn   +3 more
doaj   +1 more source

Some thoughts on estimating change to Arctic cod populations from hypothetical oil spills in the eastern Alaska Beaufort Sea

open access: yesArctic Science, 2017
We describe a fecundity-hindcast model that incorporates Arctic cod (Boreogadus saida) acute toxicity data, field studies of Arctic cod larval distribution and abundance, natural mortality estimates for Arctic cod eggs and larvae, and an oil spill fate ...
Benny J Gallaway   +2 more
doaj   +1 more source

Temporal Variation of Moose–Vehicle Collisions in Alaska

open access: yesHuman-Wildlife Interactions, 2020
Collisions between vehicles and wildlife have long been recognized to pose threats to motorists and wildlife populations. In addition to the risk of injury or mortality faced by the motorists involved in wildlife-vehicle collisions (WVCs), other drivers ...
Lucian R. McDonald   +2 more
doaj   +1 more source

Geographical space and cinema images of the white Arctic on a white screen (Part II)

open access: yesПроблемы постсоветского пространства, 2023
The second part of the article is devoted to the consideration of two genres of Arctic fi lms — animal (faunal) and adventure. The basis for their implementation on the screen was Russian America, Alaska — the cinematic state of Hollywood, Chukotka and ...
I. S. Zonn
doaj   +1 more source

First-principles study of the electronic structure and magnetism of CaIrO$_3$

open access: yes, 2012
I study the electronic structure and magnetism of postperovskite CaIrO$_3$ using first-principles calculations. The density functional calculations within the local density approximation without the combined effect of spin-orbit coupling and on-site ...
Subedi, Alaska
core   +1 more source

A bitter taste of fish: the temporality of salmon, settler colonialism, and the work of well-being in a Yupiaq fishing village

open access: yesEcology and Society, 2020
In southwest Alaska, dominant narratives of subsistence and conservation are concerned predominantly with material relations with fish, with the number of fish that are killed. In Akiak, an Alaska Native (Yupiaq) village located along the Kuskokwim River,
William Voinot-Baron
doaj   +1 more source

A Natural Community of Interests and Sympathies: Russia and America in the 19th Century

open access: yesКонцепт: философия, религия, культура, 2022
This brief review of the first century of Russian-American relations seeks to explain why the profound conflict between the ideological foundations of the two states — an autocratic empire and a democratic republic — did not hamper the relations between ...
S. M. Plekhanov
doaj   +1 more source

Inpatient Food Insecurity and Pediatric Hematology Oncology Hospitalization Outcomes

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Children with cancer and blood disorders are at risk for food insecurity (FI). We aimed to describe the association of inpatient food insecurity (IFI) and hospitalization outcomes among patients admitted to the pediatric hematology oncology service. Of 325 caregivers screened for IFI, 60 (18.6%) screened positive.
Joanna M. Robles   +4 more
wiley   +1 more source

Does fire always accelerate shrub expansion in Arctic tundra? Examining a novel grass-dominated successional trajectory on the Seward Peninsula

open access: yesArctic, Antarctic, and Alpine Research, 2021
Over the last century in the circumpolar north, notable terrestrial ecosystem changes include shrub expansion and an intensifying wildfire regime. Shrub invasion into tundra may be further accelerated by wildfire disturbance, which creates opportunities ...
Teresa N. Hollingsworth   +3 more
doaj   +1 more source

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