منابع مشابه
Thermal Dileptons as Fireball Thermometer and Chronometer
Thermal dilepton radiation from the hot fireballs created in high-energy heavy-ion collisions provides unique insights into the properties of the produced medium. We first show how the predictions of hadronic many-body theory for a melting ρ meson, coupled with quark-gluon plasma emission utilizing a modern lattice-QCD based equation of state, yield a quantitative description of dilepton spectr...
متن کاملReliability and validity testing of an archery chronometer.
Keeping the arrow velocity constant during consecutive shots and responding to "clicker's fall "are considered to be an important feature of archery performance. A specially designed device called an archery chronometer was developed to measure the reaction time of an archer to clicker's fall, arrow velocity, and external factors that may affect arrow velocity. The purposes of this study were t...
متن کاملOn the Reliability of the Re/Os Chronometer
für Naturforschung in cooperation with the Max Planck Society for the Advancement of Science under a Creative Commons Attribution 4.0 International License. Dieses Werk wurde im Jahr 2013 vom Verlag Zeitschrift für Naturforschung in Zusammenarbeit mit der Max-Planck-Gesellschaft zur Förderung der Wissenschaften e.V. digitalisiert und unter folgender Lizenz veröffentlicht: Creative Commons Namen...
متن کاملConcentration variance decay during magma mixing: a volcanic chronometer
The mixing of magmas is a common phenomenon in explosive eruptions. Concentration variance is a useful metric of this process and its decay (CVD) with time is an inevitable consequence during the progress of magma mixing. In order to calibrate this petrological/volcanological clock we have performed a time-series of high temperature experiments of magma mixing. The results of these experiments ...
متن کاملEvaluation of Clinical Trials
In a number of important clinical issues such as evaluation of the efficacy or effectiveness of therapeutic or preventive interventions as well as for comparing the harms of interventions, randomized controlled trials (RCTs) provide the highest levels of evidence, either directly or indirectly. It is obvious that critical appraisal of these studies to assess their validity and precision is of p...
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ژورنال
عنوان ژورنال: Nature
سال: 1894
ISSN: 0028-0836,1476-4687
DOI: 10.1038/051153b0