نتایج جستجو برای: finch
تعداد نتایج: 2084 فیلتر نتایج به سال:
As a direct result of the awe-inspiring changes in LSI technology, an 8-bit microcomputer today has an equivalent of 8000 transistors-which for testing purposes are quite inaccessible, said Tudor Finch of Bell Labs in his introduction to Session 8. Finch, who chaired the session, went on to point out that this level of integration forces one to resort to more indirect techniques-e.g., technique...
The zebra finch has long been an important model system for the study of vocal learning, vocal production, and behavior. With the imminent sequencing of its genome, the zebra finch is now poised to become a model system for population genetics. Using a panel of 30 noncoding loci, we characterized patterns of polymorphism and divergence among wild zebra finch populations. Continental Australian ...
The offspring of brood parasitic birds benefit from hatching earlier than host young. A proposed but little-known strategy to achieve this is 'internal incubation', by retaining the egg in the oviduct for an additional 24 h. To test this, we quantified the stage of embryo development at laying in four brood parasitic birds (European cuckoo, Cuculus canorus; African cuckoo, Cuculus gularis; grea...
This paper proposes an adaptation, to the two-dimensional irregular bin packing problem of the Djang and Finch heuristic (DJD), originally designed for the one-dimensional bin packing problem. In the two-dimensional case, not only is it the case that the piece’s size is important but its shape also has a significant influence. Therefore, DJD as a selection heuristic has to be paired with a plac...
Postprint This is the accepted version of a paper published in Information Services and Use. This paper has been peer-reviewed but does not include the final publisher proof-corrections or journal pagination. Access to the published version may require subscription. Abstract. In this paper we give an overview of the development of institutional repositories in Sweden, by addressing the criticis...
Digital holography (DH) is a promising technique for modern three-dimensional (3D) imaging. Coherent holography records the complex amplitude of a 3D object holographically, giving speckle noise upon reconstruction and presenting a serious drawback inherent in coherent optical systems. On the other hand, incoherent holography records the intensity distribution of the object, allowing a higher s...
Sequencing. The zebra finch DNA for shotgun sequencing, and for bacterial artificial chromosome (BAC) and cosmid libraries was derived from a single male (Black 17) domesticated zebra finch from the laboratory of Dr. Arthur P. Arnold in the Department of Physiological Science at UCLA, Los Angeles, CA, USA. The parents of this male hatched in the same clutch in an aviary of group-housed zebra fi...
Learning and memory formation are known to require dynamic CpG (de)methylation and gene expression changes. Here, we aimed at establishing a genome-wide DNA methylation map of the zebra finch genome, a model organism in neuroscience, as well as identifying putatively epigenetically regulated genes. RNAand MethylCap-seq experiments were performed on two zebra finch cell lines in presence or abse...
An effective way to understand the genomics of divergence in non-model organisms is to use the transcriptome to identify genes associated with divergence. We examine the transcriptome of the song sparrow (Melospiza melodia) and contrast it with the avian models zebra finch (Taeniopygia guttata) and chicken (Gallus gallus). We aimed to (i) obtain a functional annotation of a substantial portion ...
George Ingle Finch (1888-1970) was the first person to prove the great value of supplementary oxygen for climbing at extreme altitudes. He did this during the 1922 Everest expedition when he and his companion, Geoffrey Bruce, reached an altitude of 8,320 m, higher than any human had climbed before. Finch was well qualified to develop the oxygen equipment because he was an eminent physical chemi...
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