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1. http://www.mrao.cam.ac.uk/~anthony/latex/Bahcall.ps
The Mass-Density of the Universe and the Distribution of Dark Matter Neta A. Bahcall Princeton University, USA One of the most fundamental questions of cosmology is: How much matter is there in the Universe and how is it distributed? Here we show that several independent measures - including those utilizing clusters of galaxies - all indicate that the mass-density of the Universe is low: only 20-30% of the critical density. ... The results reveal a low den- sity of 0.16+-0.05. ...
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Ссылки http://www.mrao.cam.ac.uk/~anthony/latex/Bahcall.ps -- 20.8 Кб -- 14.06.2000
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2. http://www.mrao.cam.ac.uk/~mh475/5Dec08.html
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Ссылки http://www.mrao.cam.ac.uk/~mh475/5Dec08.html -- 1.0 Кб -- 05.12.2008
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3. http://www.mrao.cam.ac.uk/projects/aavp/posters/daSilva_AAVP-Cambridge2010.pdf
... The design employs a differential structure. ... The input is adapted to 100 differential, and the outputs use standard Low Voltage Differential Signaling (LVDS). ... T/H SINGLE T/H Single Input T/H Single Output 1.35 0.15 0.2 T/H DIFFERENTIAL Input T/H Output T/H 0.1 1.3 0.05 volts volts Figure 5: Digital part and digital gate 0 1.25 -0.05 -0.1 1.2 Integrated Test System A test system is integrated on chip to evaluate the transmission to the data acquisition card (fig: 7). ...
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Ссылки http://www.mrao.cam.ac.uk/projects/aavp/posters/daSilva_AAVP-Cambridge2010.pdf -- 1772.7 Кб -- 06.12.2010
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