Results 51 to 60 of about 187,881 (274)

Viking lander design and systems integration [PDF]

open access: yes, 1974
Malfunction protection requires redundancy planning and mechanization in Viking lander design and systems integration in order to maximize the chance of getting the data back through the Orbiter. Various subsystems are discussed that protect the downlink
Goodlette, J.
core   +1 more source

Identification of Chlorobenzene in the Viking Gas Chromatograph‐Mass Spectrometer Data Sets: Reanalysis of Viking Mission Data Consistent With Aromatic Organic Compounds on Mars

open access: yesJournal of Geophysical Research: Planets, 2018
Motivated by the recent detection of chlorobenzene by the Sample Analysis at Mars instrument suite on the Curiosity rover, and the identification of its carbon source as indigenous to the martian sample, we reexamined the original, microfilm preserved ...
M. Guzman   +6 more
semanticscholar   +1 more source

Forbs in Viking lands: the effect of disturbing dominant graminoids on recruitment in tundra grasslands

open access: yesOikos, EarlyView.
Grasslands, by definition, are dominated by graminoids. Nevertheless, forbs also make up a substantial part of vascular plant diversity in grasslands and are important resources of mammalian herbivores. However, forb recruitment is constrained by successful dominant graminoids, limiting access to safe sites for germination.
Gerardo Celis   +5 more
wiley   +1 more source

Women Traders of the Viking Age: An Analysis of Grave Goods [PDF]

open access: yes, 2017
The image of Viking culture that most of us carry in our heads is largely masculine and testosterone-driven. Where are women in the Scandinavian past? Examining grave goods associated with female burials—including items of personal adornment—this article
Mierswa, Emily
core   +2 more sources

Integrated diagnostic approaches for superficial radial neuropathy: The role of ultrasonography in enhancing morphological assessments

open access: yesPM&R, EarlyView.
Abstract Background Ultrasonography is useful for evaluating cutaneous nerve lesions. Objective To investigate the clinical utility of ultrasonography in accurately localizing nerve abnormalities in distal superficial radial neuropathy, based on clinical symptoms and electrodiagnostic test results. Design Retrospective descriptive study.
Hong Bum Park   +3 more
wiley   +1 more source

More than ten years' experience with the Björk-Shiley tilting disc valve.

open access: yesActa Médica Portuguesa, 1980
PRÓTESE DE DISCO DE BJÖRK-SHILEY - Análise de uma Experiência Superior a 10 Anos Neste artigo faz-se breve referência às válvulas utilizadas até à boa aceitação obtida pelas próteses de disco basculante. Descreve-se com mais pormenor a válvula de Björk-
Viking O. Björk
doaj   +1 more source

New tonalities with the Thummer and The Viking [PDF]

open access: yes, 2008
In this paper we explain the theoretical background of Dynamic Tonality using the Thummer, a new musical interface, and The Viking, a software synthesizer written especially for it.
Milne, Andrew J., Prechtl, Anthony
core  

Concussed: Unintended Consequences of the Guardian Cap Mandate in the NFL

open access: yesSouthern Economic Journal, EarlyView.
ABSTRACT Guardian Caps are padded shells worn over American football helmets to cushion impacts and reduce concussion risks. In 2022, the NFL mandated their use for specific position groups during preseason practices, later expanding this requirement. While the league praised the Caps for enhancing player safety, skeptics argue they may promote riskier
Kerianne Lawson Rubenstein, Todd Nesbit
wiley   +1 more source

A critical assessment of the evidence for selective female infanticide as a cause of the Viking Age

open access: yesGroundings, 2018
There currently exists in the study of Viking archaeology a strong support for the theory, popularised by Barrett (2015), that selective female infanticide in the Late Scandinavian Iron Age to Early Viking Age resulted in the sudden expansion of ...
Edward Stewart
doaj   +1 more source

Kinesiska investeringar i Sverige: från framgång till fara?

open access: yesInternasjonal Politikk, 2020
Under 2017 och 2018 ökade Kinas direktinvesteringar i Sverige avsevärt till följd av ett antal stora förvärv, mestadels i fordonsindustrin. Samtidigt har den svenska offentliga debatten kring kinesiska investeringar blivit mer kritisk sedan 2017, då ...
Nicola Nymalm, Viking Bohman
doaj   +1 more source

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