Results 11 to 20 of about 33,763,849 (105)

Basal body and flagellum mutants reveal a rotational constraint of the central pair microtubules in the axonemes of trypanosomes. [PDF]

open access: yes, 2006
Productive beating of eukaryotic flagella and cilia requires a strict regulation of axonemal dynein activation. Fundamental to any description of axonemal beating is an understanding of the significance of the central pair microtubules and the degree to ...
Wickstead, B.   +3 more
core   +5 more sources

A Microcomputer-Based Tree-Ring Measuring System

open access: yes, 1980
A brief discussion is presented on a new measuring system based on an APPLE microcomputer. Aspects of both hardware and software are considered, with emphasis on the software that provides operator interaction.
Robinson, William J., Evans, Robert
core   +5 more sources

From line to dots: an improved computerised rod and frame system for testing subjective visual vertical and horizontal [PDF]

open access: yes, 2010
Background Perception of subjective visual vertical (SVV) and horizontal (SVH) has traditionally been measured by rotating a mechanical rod either with or without a frame present. The computerised rod and frame (CRAF) system has previously only been used
Jeff Bagust   +5 more
core   +1 more source

Noise removal at the rod synapse of mammalian retina [PDF]

open access: yes, 1998
Mammalian rods respond to single photons with a hyperpolarization of about 1 mV which is accompanied by continuous noise. Since the mammalian rod bipolar cell collects signals from 20–100 rods, the noise from the converging rods would overwhelm the ...
M.C.W. van ROSSUM   +4 more
core   +1 more source

Homosexual Copulations by Male Tree Swallows [PDF]

open access: yes, 1994
Homosexual courtship behavior in non-human animals is well known (Ford and Beach 1980) and occurs in a wide variety of taxa. However, homosexual copulations, especially between males, are less well known.
Faro, Christine A   +4 more
core  

Robust language pair-independent sub-tree alignment [PDF]

open access: yes, 2007
Data-driven approaches to machine translation (MT) achieve state-of-the-art results. Many syntax-aware approaches, such as Example-Based MT and Data-Oriented Translation, make use of tree pairs aligned at sub-sentential level.
Zhechev, Ventsislav   +3 more
core   +3 more sources

Video - 1992 WMC-TV Southern Sojourn

open access: yes, 1992
1992 WMC Southern Sojourn 00:00:06 A trip down the Mississippi on the Delta Queen 00:00:39 promo for the 10pm news 00:00:42 A special report from the Memphis cobblestones, 6:00pm departure for Greenville, MS.
Starns, Rod
core   +1 more source

Avian ultraviolet/violet cones identified as probable magnetoreceptors [PDF]

open access: yes, 2011
Background: The Radical-Pair-Model postulates that the reception of magnetic compass directions in birds is based on spin-chemical reactions in specialized photopigments in the eye, with cryptochromes discussed as candidate molecules.
Gross, J.   +34 more
core   +2 more sources

Interior of Acme Sucker Rod Company

open access: yes, 2018
A copy of a black and white photograph of the interior of the Acme Sucker Rod Factory in Toledo, Ohio entitled "where the Acme sucker rods are made" The photo was taken from page 5 of a pamphlet done by the company entitled "The Fine Art of Producing ...

core   +1 more source

Bildungsgrenzen im Spiegel der Panel-Studie TREE [PDF]

open access: yes, 2016
Der Beitrag exploriert die heutigen Schweizer Bildungsgrenzen, wie sie sich einerseits in allgemeinen statistischen Kennwerten zum Bildungssystem, andererseits in den Ergebnissen von TREE spiegeln, der nationalen Längsschnittstudie zu Verläufen zwischen ...
Meyer, Thomas
core   +3 more sources

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