منابع مشابه
Distribute the Selfish Ambitions
The distributed project scheduling problem is a distributed resource allocation problem extended with temporal constraints. Herein a project consists of a series of activities, the scarce resources are assigned to those activities at certain time windows such that all the activities are performed and certain objectives are optimized. In the past, methods from Operations Research (OR) and Artifi...
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The Austrian Academy of Sciences has taken the bold step of closing a successful institute in Salzburg and opening two new ones in Vienna with the aim of creating an internationally attractive critical mass of biological research activity in the capital. Graham Tebb reports.
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The European Union has always been associated with mathematical problems, from the growing number of its member states, via the formidable challenge of working out the financial contributions paid by some, and subsidies received by other member states, through to squaring the circle of the failed constitution. Recently, the European Commission has made a new foray into mathematics by studying t...
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Static tests of horizontally restrained rocket motors at the ATK facility in Promontory UT, USA result in the deposition of entrained soil and fuel combustion products, referred to as Test Fire Soil (TFS), over areas as large as 30-50 mile (80-130 km) and at distances up to 10-12 miles (16-20 km) from the test site. Chloride is the main combustion product generated from the ammonium perchlorate...
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ژورنال
عنوان ژورنال: Nature
سال: 1990
ISSN: 0028-0836,1476-4687
DOI: 10.1038/346403b0