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25.367  Articles
1 of 2.538 pages  |  10  records  |  more records»
When studying the temperature dependences of the acoustic absorption and the modulus of elasticity, absorption peaks are often observed, which correspond to the characteristic step on the temperature dependence of the modulus of elasticity. Such features ... see more

The shelf life of a composite solid propellant is one of the critical aspects for the usage of solid propellants. To assess the ageing behavior of the composite solid propellant, the activation energy is a key parameter. The activation energy is determine... see more

Arrhenius equation stated that reaction will proceed faster at higher temperature and with lower activation energy (Ea). Many literatures reported that preexponential factor (A) is constant for certain reaction and there is no relation between A and Ea. E... see more

Transesterification of waste cooking oil (WCO) for fatty acid methyl ester synthesis using calcium oxide (CaO) as a catalyst with absence and presence of free fatty acid (FFA) pretreatment (untreated and pretreated) prior to reaction have been investigate... see more

Alkali activated materials (AAM) are generally cured at high temperatures to compensate for the low reaction rate. Higher temperature accelerates the reaction of AAM as in cement-based materials and this effect is generally predicted using Arrhenius equat... see more

The enriched thermal mechanisms and progressive of nanomaterial has enthused scientists to give devotion to this area in current days. The versatile and synthesizing utilization of such particles embrace energy production, solar systems, heating and cooli... see more

AbstractRed fruit sauce was sauce that made from mixing red fruit paste and mikmak sweet potato flour. This reserach aimed to study the shelf life red fruit sauce with ASLT method using Arrhenius equation. The parameters of shelf life were viscosity, wate... see more

Abstrak. Informasi umur simpan tomat sangat penting untuk proses penanganan pasca panennya sehingga dapat mengurangi resiko kerugian yang dihadapi oleh para petani dan pedagang. Penelitian ini bertujuan untuk mengetahui apakah model Arrhenius dan Q10 dapa... see more

Appropriate drying model is an important attribute for describing the drying kinetics of food products. Thin layer drying of taro roots were performed in a laboratory scale hot air dryer operated at 50oC, 60oC and 70oC temperature with air velocity of 0.5... see more

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