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Gas hydrates are systems of prime importance. In particular, hydrogen hydrates are potential materials of icy satellites and comets, and may be used for hydrogen storage. We explore the H₂O-H₂ system at pressures in the range 0-100 GPa with ab initio variable-composition evolutionary simulations. According to our calculation and previous experiments, the H₂O-H₂ system undergoes a series of tran...
the present research has been deducted from a provincial research project which aims at determining the relationship of variables of variables of occupational self-concept, intelligence beliefs and metacognitive with entrepreneurship among the students of payame noor university of kurdistan. the volume of the samples was 1080 students (576 female and 504 male students). the research methodology...
attribution 6 1 0 0 1 0 1 0 0 9 (3%) Target 0 0 0 0 0 0 0 0 0 0 (0%) None 19 23 25 26 29 27 28 27 18 222 (82%) Total 30 30 30 30 30 30 30 30 30 270 (100%) Table 4. Sentiment in the tweets of article links. Sentiment Wiley Science Direct Springer JSTOR PLOS ONE PNAS Science Nature DOI Total Neutral 29 28 29 27 30 29 28 30 30 260 (96%) Positive 1 2 1 3 0 1 2 0 0 10 (4%) Negative 0 0 0 0 0 0 0 0 0...
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