Results 31 to 40 of about 57,270 (311)

Gaia science alerts and the observing facilities of the Serbian-Bulgarian mini-network telescopes [PDF]

open access: yesSerbian Astronomical Journal, 2014
The astrometric European Space Agency (ESA) Gaia mission was launched in December 19, 2013. One of the tasks of the Gaia mission is production of an astrometric catalog of over one billion stars and more than 500000 extragalactic sources.
Damljanović G., Vince O., Boeva S.
doaj   +1 more source

A SKELETON TELESCOPE [PDF]

open access: yesSchool Science and Mathematics, 1902
n ...
openaire   +1 more source

The Metagenomic Telescope

open access: yesPLoS ONE, 2014
Next generation sequencing technologies led to the discovery of numerous new microbe species in diverse environmental samples. Some of the new species contain genes never encountered before. Some of these genes encode proteins with novel functions, and some of these genes encode proteins that perform some well-known function in a novel way.
Szalkai, Balázs   +4 more
openaire   +4 more sources

Aromatic Pummerer‐Promoted Stereospecific Cross‐Coupling of Thiazoles With Boronic Esters

open access: yesAngewandte Chemie, EarlyView.
A lithiation–borylation–aromatic Pummerer (LiBAP) strategy enables stereospecific, C5‐selective C(sp2)–C(sp3) cross‐coupling of thiazoles with boronic esters. By using exocyclic sulfoxide activation to overcome the low nucleophilicity that frustrates SEAr‐type coupling, the method delivers enantioenriched alkylated thiazoles bearing a versatile C2 ...
Mark John P. Mandigma   +4 more
wiley   +2 more sources

Optics for Nano-Satellite X-Ray Monitor

open access: yesOpen Astronomy, 2015
The Schmidt lobster eye design for a grazing incidence X-ray optics provides a field of view of the order of many degrees, for this reason it can be a convenient approach for the construction of space X-ray monitors.
Tichý Vladimír   +3 more
doaj   +1 more source

Catalyst‐Controlled Divergent Strain‐Release Amination and Skeletal Remodeling of Bicyclo[1.1.0]Butanes

open access: yesAngewandte Chemie, EarlyView.
Catalyst‐controlled nitrene transfer unlocks divergent reactivity of bicyclo[1.1.0]butanes. Rhodium catalysis promotes selective strain‐release amination to access cyclobutene and cyclobutane amino‐acid scaffolds, whereas visible‐light photocatalysis redirects nitrene reactivity toward double amination and skeletal remodeling, providing a complementary
Aksar Ali   +5 more
wiley   +2 more sources

The Asiago Astrophysical Observatory and the Recently Refurbished 1.22 m Galileo telescope

open access: yesOpen Astronomy, 2012
A history of the 1.22 m Galileo telescope of the Asiago Astrophysical Observatory is described.
Rafanelli Piero, Siviero Alessandro
doaj   +1 more source

Comparison of beam combiners for a synthetic aperture imaging telescope [PDF]

open access: yesJournal of the European Optical Society-Rapid Publications, 2006
Future astronomical space missions will comprise a constellation of several optical telescopes to detect exo-planets by interferometric nulling of starlight.
van der Avoort Casper   +3 more
doaj   +1 more source

Piloting a network of small telescopes

open access: yes, 2006
The Pilot Small Telescope Network (PSTN) is a state-of the art system of easily replicable and scalable hardware, software, servers, eXtensible Markup Language (XML) protocols, and network middleware connecting and developing a pilot array of robotic ...
Hoette, V.   +17 more
core   +1 more source

One‐Pot Biphasic Photocatalytic CO2‐to‐Carbonylation Cascades

open access: yesAngewandte Chemie, EarlyView.
Bioinspired biphasic compartmentalization enables one‐pot cascades where photocatalytic CO2 reduction generates CO for carbonylative cross‐couplings to synthesize complex organic products, including a pharmaceutical. ABSTRACT Photosynthesis compartmentalizes reactions across the thylakoid membrane in vivo to upcycle CO2 into complex chemicals that are ...
Sampurna Mitra   +3 more
wiley   +2 more sources

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