Traditional Culture Encyclopedia - Hotel reservation - What does ph mean?

What does ph mean?

"ph" is a favorite word of many young people. It is an English abbreviation with rich connotation, which is the abbreviation of "playing house". In English, playing house means "playing house"; Dollhouse; Playing house games itself means "children imitate adults, play roles and do things that adults do in life", such as playing themselves as chefs or firefighters to put out fires; Doctors treat patients and so on; However, if adult men and women say "about ph" and "about ph", they are actually "playing house between the opposite sex". In the adult world, "play house" is a relatively hidden code word, which is equivalent to "yp".

Of course, at present, there are also bars called "play house" in Chengdu, Xi and other places, which are purely places to drink. If there is such a bar, saying "about ph" and "about ph" may mean going to bars and nightclubs to drink together. Of course you know the deeper meaning of going to the bar to drink in the middle of the night.

PH is the hydrogen ion concentration index, which refers to the ratio of the total number of hydrogen ions to the total amount of substances in the solution. P stands for German Potenz, strength or concentration, and H stands for hydrogen ion (H). PH is pondus hydrogenii in Latin.

Under the standard conditions of thermodynamics, the aqueous solution with pH=7 is neutral, with pH; 7 cases were alkaline.

The pH range is 0~ 14, which is only suitable for dilute solution. The pH value of the solution with hydrogen ion concentration or hydroxide ion concentration greater than 1mol/L is directly expressed by concentration.