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What is the main use of this product 1,2-phenylene glycol, 3-fluoro-
"Tiangong Kaiwu" is a scientific and technological masterpiece written by Song Yingxing in the Ming Dynasty, and the uses of many products are detailed in the book. Today, "What is the main use of this product 1, 2 - Yinqiao Powder, 3 - Jiang -?" The answer is as follows:
Yinqiao Powder is a famous prescription in traditional Chinese medicine, with the effect of refreshing and relieving the table, clearing away heat and detoxifying. It is mainly used for the symptoms of wind-heat and cold, such as fever, headache, cough, dry mouth, and sore throat. The silver flower and forsythia in the prescription are the monarch medicines, with a fragrant smell, which can not only evacuate the wind and heat, but also clear the heat and detoxify, and remove the filth and turbid; mint and burdock taste refreshing and cool in nature, evacuate the wind and heat, clear the leader, and detoxify the pharynx; Nepeta ears, light tempeh are warm and mild, relieve the surface and dissipate evil, and assist the monarch medicine to open the fur to help remove evil; Bamboo leaves clear the scorched heat; Platycodon relieves cough and relieves throat; Licorice blends various medicines, which are combined with Platycodon, and are more pharyngeal. The combination of various medicines plays the power of evacuating wind and heat, clearing away heat and detoxifying, and is a good prescription
As for "3-Jiang-", the expression is rather vague, and it is not clear what it refers to. It is difficult to find an exact corresponding object in "Tiangong Kaiwu", so it is difficult to clarify its use. If you can provide more accurate information, you may be able to answer accurately.
What are the physical properties of 1,2-phenylene glycol and 3-fluoro-?
In "Tiangong Kaiwu", water is one of the five elements, and its physical properties are many.
Water has fluidity, and "Tiangong Kaiwu" says: "The shape of water changes with the tool." It is amorphous, and when it enters a square tool, it is square, and when it enters a round tool, it can be bypassed in case of obstacles, just like a smart thing. Water is also moist, and all things depend on it for growth and nourishment. "Water moisturizes all things without contention" can revive dry places, allow seeds to germinate, and plants to grow verdant.
Water is cold. In the cold winter, water can freeze and be as solid as a rock. This is the sign of water cold. However, ice floats in water, and it shows its characteristics. Because the density of ice is less than that of water, this physical mystery has not been explained in detail in ancient times, but it has also been observed.
Water is soluble. Salt, sugar and other substances enter the water and soon melt, invisible and dissolve in the water. This property is crucial in many skills such as cooking and brewing. For example, salt making requires water to melt salt, and then evaporate and crystallize to obtain salt.
The buoyancy of water cannot be ignored. Boats travel on water, do not sink but float, carry people and goods, and travel freely in rivers, lakes and seas. This is because water has an upward support force on objects, that is, buoyancy. According to the shape and weight of the objects, the buoyancy force varies. The ancients made all kinds of boats based on this.
The physical properties of water are diverse, and they are of critical significance to life and production. Although the ancients did not analyze it in detail with modern science, they skillfully used it in practice to achieve many skills and civilizations.
Are the chemical properties of 1,2-phenylene glycol and 3-fluoro-stable?
Those who observe arsenic stone have a fierce and poisonous nature. Although their forms are different, they all have a strong nature. As for alum stone, there are also various categories, including alum, green alum, etc. Its nature is strong and corrosive, and it is also well known to the world.
Now on the second, its nature is fierce, it hurts people when it touches, and it kills people when it is taken. It is a special poison. Although it is occasionally used skillfully in medicine, it must be done with caution. If it exceeds its degree, it will not be a disaster.
Again, its chemical properties can be seen in all kinds of changes. Alum is calcined in fire, and its color changes and it melts or dissolves, all of which show its chemical characteristics. In water, it also appears to dissolve, and it can combine with other substances. As for its stability, it depends on the environment. In ordinary environments, alum can maintain a relatively stable state. However, in extreme conditions such as strong acid and alkali, or hot topics, its chemical structure is easily destroyed, and qualitative changes occur.
The stability of the chemical properties of the husband depends on the surrounding environment and the things encountered. Therefore, if you want to understand its nature, you must carefully observe the situation in which it is located to obtain its true meaning. The second, the toxicity is fierce, and it is always toxic and cannot be ignored; the nature of alum, although slower than that of arsenic, can also change in a specific environment and cannot be ignored.
What is the production process of 1,2-phenylene glycol and 3-fluoro-?
In "Tiangong Kaiwu", for every ten catties of cast money, red copper ranks six, and black lead (the ancient name for zinc) ranks four. If you make "Yongle Tongbao", each material is about nine catties and four taels of copper, black lead (that is, white lead) is eight taels per catty, and tin is eight taels.
The method of casting money is to first melt copper, lead and other metals in proportion into the furnace. With mud as a fan, the fan is two pieces, which are shaped like an axe, hollow, and open a hole on the top, which is a copper injection port. When the metal melt reaches an appropriate temperature, pour it into the fan, and after cooling, break the mud fan, and take out the cast money blank.
Subsequently, the blank needs to be trimmed. File the edges one by one with a small file to make the edges neat and smooth. Then use bamboo strips to string into a string, put them in a special container, add tung oil, loose charcoal and other materials, and rotate and polish until the money body is bright.
The process of casting money requires strict control of heat and metal ratio. If the heat is insufficient, the metal is not fully fused, and the casting money is prone to defects; if the heat is too high, the metal loss is too much. If the metal ratio is not properly allocated, it will affect the texture and fineness of the casting money. Only when all links are closely interlocked and the operation is fine can a qualified coin be minted.
The coinage process has been continuously improved in the inheritance and development. According to the needs and technical level in different periods, the metal formula and casting process have been adjusted to meet the needs of economic circulation.
1,2-Phenylenediol, 3-fluorine - what is the market price
The price of medicinal materials in Guanfu City is related to people's livelihood and is also related to business. When it comes to the genera of Bupleurum and Alisma, there are many reasons for their high and low prices.
Bupleurum has a peaceful nature, and its power is in reconciliation, soothing the liver and rising the sun. It is a medicine often used by doctors. Its market price fluctuates first in the weather. If the wind and rain are adjusted, the land is fertile and fertile, Bupleurum is flourishing, and the yield is abundant, the price will tend to be flat. However, in case of drought or excessive rain, its rhizomes will be damaged, the output will drop sharply, and the price will rise. And in the mountains, forests and rivers, the difficulty of digging will also affect its price. If the producing area is remote, the journey is difficult, the manpower is difficult to travel, and the cost is considerable, the price will also increase.
For those with Alisma, the water is good for seepage and dampness, and the spleen is strong for heat discharge, which is also a medicine. The change in its price is related to supply and demand. If the medical profession uses it frequently, and all kinds of medicines are thirsty, and the production area does not produce enough, the price will rise. On the contrary, if there are few users for a while, and the production area has more than enough output, the price will fall. And the business of merchants also affects their prices. If the merchants are curious to stock up and bid up the market price, the price will be high; if they compete with each other to attract widely, the price may seem to decline.
To sum up, the prices of Bupleurum and Alisma in the market are not static. In fact, due to the interplay of factors such as weather, geographical location, supply and demand, and business management, their prices are often in a state of change. To know the exact price, depending on the specific situation at that time, cannot be generalized.