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多偶差热分析系指在同一加热器(高温炉)中,用多付热电偶同时分析几个样品的差热分析方法。此法能使工作效率成倍提高,耗电量大大降低,更可贵的是能在完全相同的条件下(主要是升温条件)进行对比研究。这就有可能用已知标样与未知样品进行简易快速半定量分析,研究与对比具有不同地质成因的同一种矿物,如研究矿物的有序一无序,对比不同层位,研究变质带和蚀变带等等。
Multi-pass differential thermal analysis refers to the same heater (high temperature furnace), with multiple thermocouples simultaneous analysis of several samples of differential thermal analysis. This method can make work efficiency doubled, power consumption greatly reduced, more valuable is the same conditions (mainly temperature conditions) for comparative study. It is possible to use simple and fast semiquantitative analysis of known and unknown samples to study and compare the same minerals with different geological causes, such as order and disorder of the studied minerals, contrast of different horizon, study of metamorphic belt and Alteration zone and so on.