In this paper,the strength and petrographicstructure of clinker by low-temperature burning are studied.The results show that both the calcining temperature of C
In this paper the relatienship between mi-crostructwne and strength of alnminium-toughed porcelain insu-lator has been investigated,the microstructural characte
A very popular poinl of view on the,production rate of mining mineral resources has beenheld for long time; that is.if the market price is static.the function o