用石膏细粉代替小块煅制煅石膏河南省鄢陵县人民医院（４６１２００）曹连民石膏为含水硫酸钙（ＣａＳＯ４）的矿石。临床上石膏有生用及煅用两种，目前大多采用传统煅法制备煅石膏，即将净石膏置耐火容器内，放入炉火中，煅至红透，取出放凉，碾碎。由于此法煅制程度不易... Replacement of small pieces of calcined calcined gypsum with gypsum fines. People’s Hospital of Yanling County, Henan Province (461200) Cao Lianmin’s gypsum is an ore that contains calcium sulfate (CaSO4). Clinically, there are two types of gypsum used in natural and calcined. At present, calcined gypsum is usually prepared by traditional calcination methods. The net gypsum is placed in a refractory container and placed in a fire. The calcined material is calcined to redness, taken out and let cool, and crushed. Because this method is not easy to forge...