Physics clearly defined: the loss or gain of electrons formed after the formation of electrically charged particles called ions, the loss of electrons in the molecules (groups) or atoms show a positive electrical properties called positive ions, to get the excess electrons in the molecules (groups) or atoms show a negative electrical properties called negative ions. Negative oxygen ions, on the other hand, refers to the oxygen ions that have gained excess electrons, one is negative ions, one is negative oxygen ions, the two, although there is only a difference of one word, but there is a big difference.
From these standard concepts it is not difficult to see that the negative ion range is wider, it contains negative oxygen ions, and we usually say that negative ions are good for the human body, in fact, refers to negative oxygen ions, but it is the ordinary people will be simple to draw the two on the same number.
Related data show that in the forest, seaside, the negative ion content of up to 5000 ~ 20,000 / cm?, while in the heavily polluted city, this data is only 300 ~ 1000 / cm?, indoors is even less, only 100 ~ 200 / cm?,? or even none.
In the forest beach and other places will feel the air fresh, breathe freely, because the natural environment of the air quality is relatively high, including the air humidity and dryness of the air is appropriate, high content of negative oxygen ions, the right amount of oxygen content, temperature, airflow, the smell of plants, the sound of the water and so on, but the role of the human body is the most direct and most effective is the anion, and the anion in the human body can produce a series of chemical reactions in the human body right after the entry of the anion, and the anion can produce a series of chemical reactions in the human body. The first is a series of chemical reactions in the human body.
Expanded
Negative ions can not only contribute to the human body synthesis and storage of vitamins, strengthen and activate the body's physiological activities, so it is also known as "air vitamins", that is, like food vitamins, on the human body and other biological life activities have a very important impact, such as thunderstorms, the negative ions in the air, people feel better. Increase, people feel comfortable. In the air-conditioned room, the negative ions in the air after a series of air-conditioning purification process and a long ventilation pipe almost all disappeared, people in which the long-term stay will feel chest tightness, dizziness, fatigue, work efficiency and health decline, known as "air conditioning syndrome".