منابع مشابه
An approximation to the errors in the planetary ephemerides of the Astronomical Almanac
Errors in the planetary coordinates of the Astronomical Almanac are approximated by comparing their fundamental ephemerides, upon which they are based, with a more recent ephemeris. JPL’s DE200 provided the fundamental planetary and lunar ephemerides of the Astronomical Almanac for the years, 1984–2002, and DE405 has replaced DE200 in that role, starting in 2003. Recently, new observational mea...
متن کاملAlmanac 2013: heart failure.
Competing interests None. Provenance and peer review Commissioned; internally peer reviewed. Correspondence: Professor Andrew L. Clark Academic Cardiology Hull York Medical School Castle Hill Hospital Castle Road UK-Cottingham HU16 5JQ United Kingdom a.l.clark[at]hull.ac.uk 1 This article was first published in Heart (Heart. 2013;99[21]:1562–6. doi: 10.1136/ heartjnl-2013-304761. Epub 2013 Aug ...
متن کاملAlmanac 2014: cardiomyopathies.
Cardiomyopathies are myocardial disorders that are not explained by abnormal loading conditions and coronary artery disease. They are classified into a number of morphological and functional phenotypes that can be caused by genetic and non-genetic mechanisms. The dominant themes in papers published in 2012-2013 are similar to those reported in Almanac 2011, namely, the use (and interpretation) ...
متن کاملAlmanac 2012: Interventional cardiology.
The field of interventional cardiology continues to progress quickly. The efficacy of percutaneous interventions with newer generation drug-eluting stents has advanced a lot over the last decade. This improvement in stent performance has broadened the level of indication towards more complex interventions such as left main and multi- vessel PCI. Major improvements continue in the field of medic...
متن کاملAlmanac 2014: congenital heart disease.
This Almanac summarises important congenital heart disease articles published between 2012 and 2014 in Heart and other major cardiac journals. It highlights what the authors perceive to be highly relevant articles in the field. While the aim was to provide a comprehensive overview of the area, a focus on certain areas of interest was required. The selection is, therefore, by necessity a subject...
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ژورنال
عنوان ژورنال: Astronomy & Geophysics
سال: 1998
ISSN: 1366-8781,1468-4004
DOI: 10.1093/astrog/39.1.1.6