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食盐(氯化钠)是必需的食品之一,又是最重要的化工原料。在这里我们把食盐的的用途、它的资源和制造方法以及四川的井盐简明地介绍一下。食盐食盐作为食品,可以促进消化液的分泌,调节食品的可溶性,保持汁液的渗透压及交换食品蔬菜中所含有的有害於身体的钾盐等等。如果人体内所含有的盐分不够,就会影啊身体的健康。平时人体内的盐分,不断地由汗水和小便中排泄出来,每人每日由汗水中排出的盐分大约是0.4—3.0公分,由小便中排出的盐分大约是10—15公
Salt (sodium chloride) is one of the essential foods and is the most important chemical raw material. Here, we briefly introduce the use of salt, its resources and manufacturing methods, and Sichuan’s well salt. Salt as a food, can promote the secretion of digestive juices, regulate the solubility of foods, maintain the osmotic pressure of the juice and exchange the harmful substances in the body of potassium salts contained in vegetables. If the body contains enough salt, it will affect the health of the body. Salt levels in the body are constantly excreted by sweat and urine. The salt content per person per day is about 0.4 to 3.0 centimeters, and the amount of salt discharged from urine is about 10 to 15 centimeters.