نتایج جستجو برای: 825
تعداد نتایج: 1806 فیلتر نتایج به سال:
abstract: identification of spatial-temporal anomalies sea level pressure in part of northern hemisphere was the main aim in this research. for this purpose six hourly data used from the to eastern longitude and to northern latitude. in this location, there are 825 pixels to geographical degree. therefore, database extent created. in this matrix, 825 are number of the pixels at that location an...
Abstract Aim of study was to verify the effect temperature on pozzolanic reactivity thermally activated attapulgite and sepiolite samples. Activation temperatures were selected: 650, 700 750 °C for 800, 825 850 sepiolite. Content reactive SiO 2 Al O 3 after thermal treatment amount Ca(OH) consumed in reaction measured. It should be noted that a higher activation improves The upper limit increas...
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