278 research outputs found
A SCUBA Scanmap of the HDF: Measuring the bright end of the sub-mm source counts
Using the 850 micron SCUBA camera on the JCMT and a scanning technique
different from other sub-mm surveys, we have obtained a 125 square arcminute
map centered on the Hubble Deep Field. The one-sigma sensitivity to point
sources is roughly 3 mJy and thus our map probes the brighter end of the sub-mm
source counts. We find 6 sources with a flux greater than about 12 mJy (>4
sigma) and, after a careful accounting of incompleteness and flux bias,
estimate the integrated density of bright sources N(>12 mJy)= 164 (+77/-58) per
square degree (68 per cent confidence bounds).Comment: 5 pages, 2 figures, Accepted for publication in MNRA
The interaction between science and policy in the control of Phragmites in oligohaline marshes of Delaware Bay
Author Posting. © Blackwell, 2005. This is the author's version of the work. It is posted here by permission of Blackwell for personal use, not for redistribution. The definitive version was published in Restoration Ecology 13 (2005):223-227, doi:10.1111/j.1526-100X.2005.00027.xPublic Service Enterprise Group of New Jersey restored Delaware Bay marshes to enhance fish production as part of a mitigation negotiated in a company’s NJPDES permit. Restoration meant control of an introduced type of the common reed, Phragmites, that had displaced Spartina alterniflora and S. patens. Phragmites dominance altered the function and structure of these brackish marshes and reduced habitat value by raising and flattening marsh surface and covering smaller tidal creeks. A common control technique is to use an herbicide – Glyphosate, but public concern about herbicide use resulted in an agreement between PSEG and NJ regulators to test other methods for reed control and limit the amount of herbicide used. Experiments with methods of Phragmites control indicate that herbicide application over three or more growing seasons, concentrating in an area until control was complete, is the most effective control method
Transposição de marcadores microssatélites derivados de mamona em tungue.
Entre as culturas oleaginosas, o tungue é uma alternativa de grande potencial econômico para o sul do Brasil por apresentar elevado rendimento de óleo. Embora genótipos introduzidos no Estado tenham demonstrado adaptação, é fundamental desenvolver um programa de melhoramento genético para a cultura, a fim de oferecer cultivares mais produtivas. Uma forma eficiente de auxiliar os programas de melhoramento é a análise da variabilidade genética por meio de marcadores moleculares. Muitos estudos têm mostrado que grande parte dos marcadores SSR encontrados numa espécie podem ser transferidos para espécies correlatas. Tanto a mamona (Ricinus communis L.) como o tungue (Aleurites fordii), pertencem à famÃlia Euphorbiaceae, o que pode facilitar a transposição de primers microssatélites de mamona para tungue. O presente trabalho teve como objetivo testar a transposição de marcadores microssatélites do genoma de mamona para tungue. Foram utilizados 74 pares de primers sintetizados a partir do genoma da mamona. Os resultados demonstram ser possÃvel utilizar marcadores microssatélites em genótipos de tungue desenvolvidos a partir do genoma de mamona
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This article answers the question: After ordering a type and screen I was notified by the blood bank that my patient has cold autoantibodies. Does this mean that my patient has a cold agglutinin disease?Includes bibliographical reference
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