1, Food industry
The food industry and fisheries are used for salting and can also be used as raw materials for seasonings and as refined salt.
Adding salt to cooking dishes can remove some of the odor of the raw materials and increase the deliciousness. This is the refreshing effect of salt.
Sodium chloride is very important to life on Earth. Most biological tissues contain a variety of salts. The concentration of sodium ions in the blood is directly related to the regulation of the safe level of body fluids. The conduction of nerve impulses caused by signal conversion is also regulated by sodium ions.
Water containing 0.9% sodium chloride is called physiological saline because it has the same osmotic pressure as plasma. Saline is the main body fluid substitute, widely used in the treatment and prevention of dehydration, as well as intravenous therapy and prevention of hypovolemic shock.
Humans differ from other primates in that humans secrete large amounts of sodium chloride by sweating.
Sodium chloride is indispensable to humans. The total amount of sodium ions contained in an adult is about 60 g, 80% of which is present in the extracellular fluid, that is, in the plasma and intercellular fluid. Chloride ions are also mainly present in extracellular fluids. The physiological functions of sodium ion and chloride ion are mainly:
(1) maintaining the osmotic pressure of the extracellular fluid;
(2) Participation in the regulation of acid-base balance in the body;
(3) Chloride ions participate in the formation of gastric acid in the body. In addition, sodium chloride also plays a role in maintaining the normal excitability of nerves and muscles.
Its aqueous solution can be used for seed selection. The NaCl solution is configured according to the needs of the species, and its density is larger than that of water. The seeds are placed in a NaCl solution, and the floating is not full, and the sinking is full.
Sodium chloride can significantly increase the capacity of the hard disk. Specifically, the existing conventional hard disk uses a randomly allocated magnetic disk storage technology, which can only achieve a data density of 0.5 TB per square inch. The new technology, thanks to the help of sodium chloride, coupled with the new high-resolution lithography factor technology, data data density will be more orderly, can reach 3.3TB per square inch without complex equipment upgrades. This technology enables 1TB hard drives to achieve 6TB capacity without adding discs.
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