نتایج جستجو برای: eaqìqah alma
تعداد نتایج: 6078 فیلتر نتایج به سال:
The ALMA array configuration design has been split into a compact array, an extended array, and a “zoom” spiral array which aims to connect them. The currently accepted extended array is a 14 km ring around Chascón. Based on Fourier plane coverage, resolution, operations, engineering, and environmental arguments, we present an alternative to the extended configuration: a Y-shaped set of zooming...
Today, there is an unmistakable shift in international consensus away from private health financing, including the use of user fees toward public financing mechanisms (notably tax financing), to achieve universal health coverage (UHC). This is, however, much the same as an earlier consensus reached at the WHO"s World Health Assembly at Alma-Ata in 1978. When considering the full circle journey ...
We have proposed a FX correlator system for an enhanced ALMA. Maximum bandwidth per IF is 4096MHz and spectral resolving points per antenna per IF is 128 x 1024. The number of correlation is 3160 for 80 antennas per IF and the number of output frequency bins for each correlation is 16 x 1024. We will prepare 4 sets of this correlator for 4 IF bands. This FX correlator system always realizes bot...
Proposed receiver cartridges for ALMA may utilize up to 96 wires for SIS mixer bias, IF amplifier bias, thermometry and other functions [1]. To reduce heating of the mixer block and minimize the load on the 4 K refrigerator stage, heat sinks will be required on the 80 K, 12 K and 4 K stages. The present concept for the receiver cartridges requires disassembly of each thermal stage to effect rep...
We present an overview of the ALMA chemical survey disk-outflow sources in Taurus (ALMA-DOT), a campaign devoted to characterization molecular emission from partly embedded, young stars. The project aims at better understanding gaseous products that are delivered planets by means high-resolution maps assorted lines probing disks time planet formation (less than 1 Myr). Nine different molecules ...
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