Results 151 to 160 of about 6,630,412 (287)

Tractor Testing; Drawbar; Test Car

open access: yes, 1920
"View of tractor and dynamometer car in 1920. Fred Laub driving. Lew Wallace in test car." The tractor is not identifiable. This load/test car was a second edition of the first open test car, which was called the bath-tub by the ...
Nebraska Tractor Test Laboratory
core  

Structural insights into θ‐type carbonic anhydrases 3 and 4: Tuning the directionality of CO2 hydration in a diatom

open access: yesThe FEBS Journal, EarlyView.
θ‐CA3 from a marine diatom has an N‐terminal transmembrane helix and two homologous catalytic domains. The enzyme functions as a dimer, with active sites formed near the dimer interface. A bicarbonate ion binds on the symmetry axis of the dimer and forms hydrogen bonds with both monomers, thereby activating θ‐CA3 and tuning CO2 hydration activity ...
Hiroto Negoro   +5 more
wiley   +1 more source

Tractor Testing; Belt Power Test; Massey Harris

open access: yes, 1948
"Test no. 401. Massey-Harris Pony. R. Valentine, H. Hartz, E. Dahl (factory representative), H. Mizner, V. Hitt." They are standing behind the Massey-Harris Pony tractor inside the tractor test lab.
Nebraska Tractor Test Laboratory
core   +1 more source

Ford 1600 Diesel, test 1228

open access: yes, 1976
The Ford 1600 Diesel is being driven on the tractor test track followed by the test car and an Oliver ...
Nebraska Tractor Test Laboratory
core  

Contrasting Food Web Dynamics Across Oceanographic Boundaries in Subarctic Pelagic Ecosystems

open access: yesFisheries Oceanography, EarlyView.
ABSTRACT Understanding the structure of pelagic food webs across multiple trophic levels is critical for elucidating species interactions, energy flow, and anthropogenic impacts on production. This study presents a comprehensive analysis of the eastern North Pacific pelagic food webs, focusing on the Gulf of Alaska (GoA) during late winter of 2019.
Genyffer C. Troina   +3 more
wiley   +1 more source

Auxin response and PIN‐mediated transport in chlorophyte algae

open access: yesJournal of Integrative Plant Biology, EarlyView.
Like multicellular plants, green algae respond to auxin and move it across their cells. However, their PIN‐like proteins do not act like plant auxin exporters, suggesting that basic auxin transport evolved early and specialized directional transport appeared later in plant evolution.
Adrijana Smoljan   +11 more
wiley   +1 more source

Test Track; Maintenance

open access: yes, 1970
Water wagon sprays the soil test area beside the concrete track. The disced ground alongside the track is sprayed with water. This is in preparation for some future special tests.
Nebraska Tractor Test Laboratory
core  

Identification and functional analysis of class 3 lipases associated with triacylglycerol metabolism in Nannochloropsis oceanica (Eustigmatophyceae)

open access: yesJournal of Phycology, EarlyView.
Abstract Microalgae accumulate triacylglycerols (TAGs) as storage lipids in response to nutrient limitation, yet the mechanisms governing TAG turnover remain incompletely understood. In the oleaginous microalga Nannochloropsis oceanica, functional studies of TAG degradation have focused on lipases containing patatin domains, whereas the roles of other ...
Masako Iwai   +9 more
wiley   +1 more source

Dive surveys and eDNA detect contrasting macroalgal community composition in Nova Scotia, Canada

open access: yesJournal of Phycology, EarlyView.
Abstract Morphological identification of macroalgae can be time‐consuming and species may be difficult to observe, collect, or identify, preventing detailed study on the distribution and ecology of many species. The use of eDNA in species surveillance and biodiversity assessments has gained considerable traction in studying macroalgae, as it provides ...
Cody M. Brooks   +3 more
wiley   +1 more source

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