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The purpose of the presented garbage collector interface is to provide a universal interface for many different implementations of garbage collectors. This is to simplify the integration and exchange of garbage collectors, but also to support incremental, non-conservative, and thread safe implementations. Due to the complexity of the interface, it is aimed at code generators and preprocessors. Exp
The astrometric satellite Gaia was launched in December, 2013. It will observe nearly one billion stars in the Milky Way and beyond along with many extragalactic objects such as quasars and galaxies. The analysis of quasar data will provide the optical counterpart of the International Celestial Reference Frame (ICRF). Also, the analysis of data for stars in our Galaxy provide a revolution in our u
This paper presents an FPGA implementation of a novel snd Ihighl! scalable hardware architecture for inversion of triangiiliir matrices. An integral part of modern signal processing and communications applications involves manipulation of large matrices. Therefore, scalable and flexible hardware architectures are increasingly sought for. In this paper the traditional triangular shaped array archit
In 2012, there were 11 000 accidents and near-miss reported of which most of it can be prevented. Though reporting and investigating injuries present a more detailed picture, this is still a lagging indicator — measuring after the event. Recording and investigating near misses, on the other hand, can be used as a positive indicator of performance tool to fix problems before injuries occur. Employe
QCD EVENT GENERATORS This report is a survey on QCD Event Generator issues of relevance for LEP 2. It contains four main sections: a summary of experience from LEP 1, extrapolations to LEP 2 energies, Monte Carlo descriptions and standardization issues.
This study investigated eye movements during visual imagery, under two experimental conditions. Participants recalled complex pictures from memory while looking at a blank screen under a condition of free viewing and under a condition where fixation was maintained in the centre of the screen. The recall task was to orally describe the picture. Results showed that, under the condition of free viewi
Process water from a Swedish thermomechanical pulp mill was purified by consecutive treatment by microfiltration, ultrafiltration and nanofiltration. In the present study the nanofiltration step was studied. The flux and retention of four nanofiltration membranes were compared. The NF99HF membrane (Alfa Laval, Lund, Sweden), had significantly higher flux and higher retention of lignin and charged
