The oxidation kinetics of vitamin C in green tea was conducted through the isothermal method and accelerated test.
运用定温法和加速试验相结合的方法,对绿茶中维生素C氧化进行动力学分析研究,探讨通过维生素C的保留量预测绿茶保质期方法的可行性。
This paper expatiates the operating principle of solar energy hot water supplying system that combines the fix temperature supplying water and assistant calefaction.
介绍了解放军总后勤部某宾馆太阳能热水洗浴系统 ,重点阐述了太阳能定温放水与电辅助加热相结合的热水供应系统的运行原理 ,总结了系统设计应注意的问题。