作者: Michael A. Macchiarelli , Jamie Greenberg
DOI:
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摘要: Finely divided particles preferably formed into tablets or pellets of granular temperature indication material are used as a thermometer and brought contact with surface to measure by change in appearance the at known temperature. Pellets made from comminuted solid indicating shaped pill tablet. In version invention different temperatures indicated separate parts product, such stacked layers assembled composite unit form an article manufacture.