نتایج جستجو برای: heat capacity of activation
تعداد نتایج: 21233602 فیلتر نتایج به سال:
It was established that at 298 K the molar heat capacity of alkali metal silicates 2 O· nSiO , Rb and Cs changes linearly when changing n from 1 to 4. Based on dependencies C o p,298 =f(n), values capacities O, O have been specified. Keywords: capacity, oxides metals.
Phase Change Materials (PCMs) has gained considerable interest for storing thermal energy originating from the solar irradiation, industrial waste heat and surplus heat. Here, we present facile scalable synthesis of PCM-carbon foam composites by using polyisocyanurate (PIR) derived carbon as porous support. The unique 3D molecular configuration materials embedded with high PCM loading capacity,...
Abstract: The heat release capacity of polymers can be generally predicted using a method based on the additivity of group contributions (the Van Krevelen approach). Nevertheless, there are some exceptions, evidencing that this approach is insufficient and must be completed. In this study, the kinetic triplet accounting for the description of pyrolysis is identified for 11 polymers. Activation ...
Scanning AC nano-calorimetry is a recently developed experimental technique capable of measuring the heat capacity of thin-film samples of a material over a wide range of temperatures and heating rates. Here we describe how this technique can be used to study solid-gas phase reactions by measuring the change in heat capacity of a sample during reaction. We apply this approach to evaluate the ox...
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