Results 201 to 210 of about 83,920 (263)

Occurrences of Neuroptera and Raphidioptera in some regions in European Russia. [PDF]

Biodivers Data J
Ruchin A, Makarkin V, Esin M, Egorov L, Artaev O, Lobachev E, Lukiyanov S, Anikin V, Khapugin A, Semishin G.   +9 more
europepmc   +1 more source

Ants from the tropical dry forest in the Cauca River geographic valley, Colombia: new records and expansion of distributions. [PDF]

Biodivers Data J
Bautista-Giraldo MA, García EI, Armbrecht I, Guerrero RJ.   +3 more
europepmc   +1 more source

Shallow reef fish assemblage from Fernando de Noronha Archipelago, Southwest Atlantic. [PDF]

Biodivers Data J
Ilarri MI, Valentim L, Gitirana HM, Rosa RS, Souza AT.   +4 more
europepmc   +1 more source

Dataset of barcoded Reticulariaceae: ten years of DNA sequencing. [PDF]

Biodivers Data J
Leontyev D, Yatsiuk I.
europepmc   +1 more source

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Geodetic Datum Transformation and Inverse Transformation

Applied Mechanics and Materials, 2014
Geodetic datum transformation and inverse transformation are very basic tasks in geodesy, and surveying engineering, etc. Considering the rotation angles are in seconds, the rotation matrix is simplified, and then the observation equation is easily linearized and solved by least squares technique. The inverse transformation is derived explicitly, which
Huaien Zeng
openaire   +3 more sources

Geodetic Datum and Geodetic Control Networks

2014
To measure terrain, surface features, position coordinates, heights, and gravity values at points on the Earth’s surface, there need to be corresponding reference points or surfaces (also known as datum points or surfaces), namely geodetic datums, to which surveying and mapping results are referred. Geodetic datums consist chiefly of coordinate datums (
Shubo Qiao, Yunying Qu, Zhiping Lu
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Kansas and the Geodetic Datum of North America [PDF]

Transactions of the Kansas Academy of Science (1903-), 1948
Kansas has the distinction of having within its borders two significant landmarks. One of these is the geographical center of the United States, the other is the Meades Ranch triangulation station or the geodetic datum known as the North American datum of 1927.
Walter H. Schoewe
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A new analytical solution of nonlinear geodetic datum transformation

2010 18th International Conference on Geoinformatics, 2010
Nonlinear geodetic datum transformation is particular suitable for the case of large rotation angles, and has been an active area of research in recent years. In this paper, we propose a new analytical solution. The method expresses the scale parameter and translation parameters as the function of rotation matrix, through the derivation process.
Huaien Zeng, Qinglin Yi
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