نتایج جستجو برای: phase change material
تعداد نتایج: 1476608 فیلتر نتایج به سال:
most specialists in the field of foreign language teachingconsiderreading skill as an interactive process between the reader’s prior knowledge and the text.accordingly, the activation of prior knowledge for an effective comprehension is very important. it is generally agreed that the pre-reading phase is the stage where this type of interaction and activation may be enhanced throughcertain stra...
in solvo-hydrothermal method, xrd pattern was indicated presence of intermediate of ammonium octatmolybdate and ammonium tetramolybdate, which were changed to stble phase of ?-moo3 annealing. sem images were indicated nanoparticle with semispheical morphology and tem image was demonstrated nanoparticles with a diameter size of 25nm. also in impregnate method. the xrd pattern was shown high crys...
The accuracy of differential scanning calorimetry (DSC) used in the dynamic method, which is method most widely to measure thermal performance existing phase-change materials (PCMs), limited when measuring range and peak temperature PCMs combined with building materials. Therefore, we measured a thermochamber; samples were sheet shape-stabilized material (SSPCM) microencapsulated PCM-impregnate...
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