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Daily data of minimum and maximum temperature from 76 meteorological stations for 1960–2010 are used to detect the annual and seasonal variations of temperature extremes in the arid region, China. The Mann–Kendall test and Sen estimator are used to assess the significance of the trend and amount of change, respectively. Fifteen temperature indices are examined. The temperature extremes show patterns...
A thermodynamic description for the TiO 2 –Y 2 O 3 system is performed by considering reliable literature data and newly measured phase equilibria. Using X-ray diffraction, the phase composition range and the decomposition temperature of fluorite are detected. The present description of the TiO 2 –Y 2 O 3 system yields a set of critical thermodynamic...
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