The electrical properties of minerals are the basis for electrification. The electrical properties of the two minerals are different and it is possible to conduct electrical selection. The parameters indicating the electrical properties of the mineral mainly include the dielectric constant, electrical conductivity and relative electrical resistance, electrothermal property, specific conductivity and rectification of the mineral.
The dielectric constant is represented by the symbol ε, and the larger ε indicates the better conductivity of the mineral, and vice versa. Under normal circumstances, ε > 10 ~ 12 or more belong to the conductor, can be separated by the usual high-voltage electrification, and those below this value are difficult to use conventional electrification sorting.
Generally, the mineral resistance referred to in the electric selection is the resistance when the mineral particle size is d = 1 mm, that is, the ohmic value. When the mineral resistance is less than 10 6 Ω, it indicates that the conductivity is better. If the resistance is greater than 10 6 Ω and less than 10 7 Ω, the conductivity is medium, and the resistance is greater than 10 7 Ω. The conductivity is poor and cannot be separated by conventional electric separation.
The specific conductivity of minerals is the amount of electrons flowing into or out of the ore. It is usually expressed by the ratio of the lowest voltage of the electron flow on the ore to the lowest voltage of the electrons flowing out on the graphite . The larger the value, the more electrons flow out on the mineral. The higher the voltage, the worse the conductivity.
Some minerals are only used as conductors when the high-voltage electrodes are negatively charged, while others are only used as conductors when the high-voltage electrodes are positively charged. Some minerals can be used as conductors regardless of the positive and negative of the high-voltage electrodes. Separation, this property of minerals is called rectification. The minerals that only get negative electricity are called negative rectification, such as quartz and zircon ; the minerals that only get positive charge are called positive rectification, such as calcite ; whether the electrode is positive or negative, the mineral can obtain electric charge, called full rectification. properties, such as cassiterite, magnetic iron ore.

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The weather in the south is cold and humid, the pores are tightened, and the blood circulation is not smooth, so it is difficult to show a healthy complexion. Therefore, it is of great benefit to have a moderate facial massage after washing your face every time. From top to bottom, spiral from inside to outside, massage the face for a few minutes can accelerate blood circulation, warm the skin, expand pores, discharge old epidermal cells, and restore ruddy and healthy facial skin. This method can also improve the skin's resistance to cold. When massaging, pay attention to the cleanness of hands and gentle manipulation.


Winter bath tips:

If you don't want to see your skin haggard and dry next spring, you'd better take active action this winter and take advantage of bathing "beauty body"!

Alternate hot water bath: a simple way to enjoy a sauna at home. Flush with hot water with a water temperature of about 40oC for 2 ~ 3 minutes to warm the body, and then flush with cold water with a water temperature of about 17oc for 2 ~ 3 minutes. If you feel that the temperature difference is too large and you are not used to it, you can make the cold water temperature a little higher at first. Flush the body with the above hot water and cold water alternately for five times, and finally flush the body with hot water to feel smooth and comfortable.

There is no doubt that getting up in the morning in winter is "reluctantly", and the body generally feels a little stiff. Using the morning bath to clear your mind and stimulate your muscles can inadvertently make your mind clear and cool and start a happy day. The shower is 20 ~ 30 cm away from the face. Gently rinse it with cold water for five or six minutes, which not only helps to clear your mind, but also makes it easier to put on makeup. Late bath can eliminate nerve and muscle fatigue. In order to avoid over stimulating the skin, the water temperature should be kept between 38 ~ 40 degrees. Proper use of puffs can promote blood circulation and remove dead skin.



There are four commandments for skin care in winter

In winter, when the cold wind blows and the weather is dry, it will make dry skin more likely to lose moisture unknowingly. In the process of skin care, avoid the following skin care procedures:

(1) Use strong degreasing cleanser: especially for dry skin, use mild cleanser or soap containing oil.

(2) Wash your face with hot water: hot water has strong degreasing power. Wash your face with hot water to wash away the skin oil. Water is easy to lose, and the skin is more dry and itchy.

(3) Indoor temperature is too high: when the indoor temperature is too high, the indoor relative humidity will drop, and the skin moisture is easy to lose.

(4) Dry body immediately after bathing: it is not suitable to dry your face and body with a towel after bathing. Take a bath in cold weather. When you leave warm water, everyone will quickly dry their body and put on clothes. However, to prevent skin dryness and itching, you should apply moisturizing oil and moisturizing lotion to keep moisture in the dry half of your body.

The doctor suggested that an Aroma Diffuser should be placed indoors, which can effectively and immediately solve the problem of indoor air drying, humidify the air and solve the problem of air drying. For the ultrasonic aroma diffuser, the fog is sprayed out through vibration. You can contact us to learn more about aroma diffuser

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