Refractory শব্দের উদাহরণ বাক্য (Example Sentences)
Graphite is also used as a refractory in high-temperature furnaces, to make black paint, in explosives and matches, and in certain kinds of cathode ray tubes.
When stimulated after the refractory phase (2 s after the spontaneous reversal or later), the cells responded within ~ 2 s to the stimulus.