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One dog (positive and one basic), its use is very important, and it is necessary for the Tao, and it cannot be surpassed.
One dog, the main thing is to remove evil and help the right, and the right. A person's disease is not invaded by evil, that is, the disharmony of the viscera. A dog has the characteristics of a dog, and it can be used to cure diseases like a dog.
In externally sensed diseases, a dog can relieve and disperse evil. If it is cold, the disease is cold, and the pain in the body is painful, it can manage and dissipate evil, and make the evil on the surface sweat and solve. Intrusion, causing pain, sore throat, coughing, can also clear the table, evacuate the evil of the disease, and make the disease disappear.
In the case of disease, a dog can manage the internal organs. If the spleen and stomach are weak, the transformation is abnormal, the food is less loose, and the fatigue is weak, it can strengthen the spleen and help the spleen and stomach restore the ability of health. If the liver is weak, the mood is not comfortable, and the chest is weak, it can soothe the liver and relieve pain, relieve pain, and make the body pass.
And the power of a dog in the body and the body is also. Loss of disease, all diseases come from birth. Or, or, or, a dog can, with its cold nature, save the bad, and make the dog balance. Such as, with its effectiveness, it can help people's essence; those who are good, with its ability to nourish, fill in the essence of lean.
Furthermore, in the case of poison, a dog can eliminate and dissipate, detoxify and excrete. The pain of the beginning, or the pain that has been achieved, can be effective, and promote its dissipation or elimination and healing.
In this way, a dog can be used to cure diseases and save people, and a boat can be used in rivers and seas.

The red and bright color, often in the color of vermilion, is eye-catching, this is its significant appearance characteristics. The texture is relatively brittle, and it is easy to break and crack when hit by hard objects. Its specific gravity is quite large, and when placed in the hand, it has a feeling of sinking. Compared with ordinary things, the weight is obviously heavy.
The red sand has a luster, and when reflected in the light, it can be seen that it flickers and shimmers, as if it contains endless mysterious power. And its hardness is low, and it can be scratched with a fingernail, or it can leave traces.
In ancient times, the red sand was cherished because of its unique physical properties. Alchemists often used Dan Sha as raw material to refine medicine, seeking the wonderful medicine of longevity, because its color is red like blood, and the ancients thought it had a magical effect. In painting, Dan Sha is also often used to prepare pigments, and the painted colors are bright and lasting, and will not fade over time. It is loved by many Dan Qing experts. And in rituals such as sacrifices, Dan Sha is also often used as a special item, symbolizing auspiciousness, exorcism, and carrying the ancient people's prayers for a better life. Its physical properties are closely related to cultural connotations, and it runs through many aspects of ancient life.

Saltpeter (n-saltpeter) has many chemical properties. Saltpeter, chemically called potassium nitrate, is an important inorganic compound.
It is highly oxidizing and often acts as an oxidizing agent in many chemical reactions. If mixed with charcoal and sulfur, this is the main ingredient of black powder. In case of open flame and hot topic, it is easy to cause violent combustion and even explosion. This is because in the combustion reaction, it can provide sufficient oxygen for other substances, so that the reaction can proceed rapidly.
Saltpeter is easily soluble in water. When dissolved, it will absorb heat, causing the solution temperature to decrease. This property was also used in ancient times, such as making ice with saltpeter, putting saltpeter into water, and by means of its dissolution and endothermic properties, the water cools down and freezes.
And the stability of saltpeter is also manifested under specific conditions. At room temperature and pressure, its properties are relatively stable and can be stored for a long time. In case of hot topics, strong reducing agents, etc., it is prone to chemical reactions and generate other substances.
Furthermore, the aqueous solution of saltpeter is neutral. This is because it is a strong acid and alkali salt, which is completely ionized in water, and neither anions nor cations are hydrolyzed, so the pH value of the solution is about 7. This property also makes it unique in some chemical reactions or industrial production with specific requirements for pH. Overall, saltpeter has a variety of chemical properties and was used in ancient military, life, and industrial production fields.

The essence of Dan Sha, the essence of the supreme sun, is found in the flame and separation, the body contains mystery, the accumulation changes and receives qi, and then it is formed. When it is stored and transported, all kinds of taboos must be carefully observed.
The way to hide, the first priority is its nature. The nature of Dan Sha is fire and heavy, and it should be placed in a dry place to avoid water and wet erosion. If it is in a humid place, water and gas seep, it will easily damage its quality for a long time, causing the medicinal power to weaken, and the color is dull. And Dan Sha is afraid of magnets, the two cannot be the same. The nature of magnets attracts iron, and it can also disturb the spirit of Dan Sha, making it chaotic and impure. In addition, Dan Sand will change when it encounters fire. Although it is originally transformed by fire essence, it should not be roasted near the fire where it is stored. If fire is forced, the nature of Dan Sand will change rapidly, or it will cause it to be poisonous and lose its original beauty.
As for transportation, there are also many concerns. When handling, it must be light and stable. The quality of Dan Sand is brittle and fragile, and it may be cracked if there is a slight bump and collision. On the way, it should be padded with soft things to prevent shock. The escort must understand its nature and not be careless. In hot weather, it is especially necessary to take precautions. High temperature can easily promote changes in Dan Sand. It is advisable to choose a cool time to rush, or try to cool down in the carrier. At the same time, when transporting, do not mix with filth, Dan Sha is pure to the sun, if the filth invades, its essence will be contaminated and lose its supernatural effect. Furthermore, do not mix with lead and mercury, the nature of lead and mercury is mixed with Dan Sha, and it may change unexpectedly.
In short, the storage and transportation of Dan Sha is related to its quality and efficacy, and all precautions need to be followed carefully in order to keep its spirit and medicinal power alive.

The ancient method of preparing the fish is as follows:
First, take the fresh fish, which is mostly born in rivers and lakes. It is better to choose the one produced in a place with clear water. After catching the fish, wash it repeatedly with clean water to remove the dirt and debris on its body surface, so that the fish body is clean and free of filth.
Then, place the fish on a bamboo plaque, drain the water in its body, and make its body surface dry. Then prepare a ceramic crock pot, wash and dry it, and lay a thin layer of loess on the bottom of the pot. The loess needs to be sifted, free of coarse gravel impurities, and it is appropriate to have moderate viscosity.
Next, place the fish lightly on the loess, and the fish bodies are neatly arranged without stacking each other. Then, cover the fish body with another loess, which is about twice the thickness of the fish body, and bury the fish completely.
After that, seal the crock. You can mix it with yellow mud with a damp cloth, rub it into mud strips, and seal it along the edge of the can mouth to ensure that there is no gap in the slightest to prevent heat from overflowing during processing.
After sealing, place the crock on the stove and simmer slowly. The heat is extremely critical, and the fire should not be fierce to prevent the fish from burning; it should not be weak, so that the processing is not transparent. Special personnel are required to guard and control the heat to make the crock pot evenly heated. This lasted for about two hours, until the outer wall of the crock was slightly reddish, and the fish had been properly processed.
Finally, when the crock is cooled, gently smash it, take out the processed fish, and remove the loess from its surface. At this time, the fish body is dry and crispy, and can be used as needed, or ground into powder, or directly used in medicine. Only when the fish is processed in this way can it exert its best medicinal effect.