The Una Corda String Quartet will perform when the Spinet music club meets 7 p.m. Tuesday, Jan. 21, at Trinity Episcopal Church, 419 S. Fourth St., Redlands. The public is invited to the free program.
通过差热分析(DTA)技术,可以测定材料在加热过程中的热效应,如熔融、结晶等。本实验使用汇诚仪器的高温差热分析仪DTA-1550S测试铜合金材料的熔融温度,其中纯铜的熔点为1083℃。DTA-1550S采用封闭式陶瓷炉体结构和铂铑合金传感器,控温精准、波动性小且 ...