8-Fluoro-3-iodoquinoline

The light of 8-3-stone is characterized by its chemical properties. This stone contains a variety of chemical components, resulting in its special chemical properties.
First, it has a certain quality. Under normal conditions, the light of 8-3-stone rarely affects the biochemical properties of the surrounding objects, and can maintain its own chemical properties for a long time. This characteristic makes it difficult to burn for a long time, which is one of the main reasons why it can be retained for a long time.
Furthermore, when encountering specific acids, such as acid, sulfuric acid, 8-3-stone light or slow reaction. However, this reaction is not rapid and intense. Some of the components on the surface of the stone act on the acid, dissolving some particles, causing the surface of the stone to slightly melt, such as a slight change in color and a slight change in the earth.
Moreover, the tolerance of the light of 8-3-stone is not good. Under normal weak conditions, the reaction is not good; even if it is bad, the reaction is also slow, not as bright as in acid.
And in the oxidizing environment, the light of 8-3-stone also exhibits a certain antioxidant capacity. For a long time, there may be a slight oxidation phenomenon, but its speed is slow, and its integrity is limited.
In addition, if the light of 8-3-stone is subjected to a high degree of influence, a certain degree of influence, the composition of the components or the crystalline phase of the crystal are equalized, resulting in changes in its physical properties such as hardness and color. However, this high degree of influence is not achievable in ordinary daily environments. In short, the light of 8-3-stone is unique and multi-faceted, which affects its existence in different environments.

If you want to make eight or three windows of light, the ancient method is very clear. Looking at "Tiangong Kaiwu", I know that there are three methods. The first is to make fire in the sun flintlock, the second is to make fire with stone strikes, and the third is to drill wood to make fire.
The sun flintlock is also made of gold flintlock. "Zhou Li Qiuguan" contains: "Si Xuan's family, the master then took the open flame in the sun, in order to learn from the bright water in the moon, and in order to make the bright candle and the bright water in the sun." Zheng Xuan noted the cloud: "If you are satisfied, the sun will be satisfied." This is the copper and tin mirror, the concave surface, the light is gathered towards the sun, and the moxa velvet is used to carry it. When it encounters light, it will burn, and it can be used as In the past, priests often used this to make fire, because its method was clean, and it was obtained from the sky, which was the purest fire to the sun.
Those who make fire by striking stones with each other are also ancient methods. "Pipe · Forbidden" says: "Drilling flintels to make fire, I hope to have fire, but not expect to have it." Flint strikes iron tools, sparks splash, and fall on flammable things, such as moxa velvet, birch skin, fir branches, etc., to make fire. This stone is hard in texture, easy to preserve, and available everywhere, so it is commonly used by everyone. Although it requires some skills to make fire, after proficiency, it can also quickly get fire.
As for drilling wood to make fire, it is even more ancient. " "The flint man looks up at the stars, and looks down at the five trees as fire," Taiping Yulan quotes from "The Dead Man" as saying: "The flint man looks up at the stars, and looks down at the five trees as fire." The method of drilling wood is to use hardwood as a drill and softwood as a board to cut holes in the board, put flammable objects aside, and drill them with hands or bows. When drilling, friction generates heat, and when the heat is enough, the flammable objects will catch fire. This is the earliest method of obtaining fire that humans have mastered. Although it is difficult and laborious, it was necessary for survival in ancient times.
The light of eight or three windows is related to the daily life of the people, and lighting and cooking depend on it. The methods of making fire in the ancients had their own advantages and disadvantages, and they were adapted to local conditions according to time. Fire from the sun, clean and sacred; stone strikes to make fire, convenient and easy; drilling wood to make fire, although hard, but for desperate survival techniques. Although there are all kinds of convenient fire tools today, but the method of the ancients is also the crystallization of wisdom and cannot be forgotten.

"Tiangong Kaiwu" says: "The three methods of salt in the eight provinces are generally illuminated, and they are used in all directions, and each is suitable."
There are three methods of salt, which are fried, dried, and boiled. The light of these three methods varies from region to region and application.
The method of decocting salt is mostly used in inland provinces. There is no sea in the land, and the source of brine is mostly from wells. For example, in the land of Sichuan and Shu, the well salt is abundant, and the craftsman uses the decoction method to make salt. The stove fire is raging, and the brine is poured into the pot, which is burned with firewood. The fire is hot, and the water vapor is evaporated, and the salt is gradually dissolved. The salt produced is fine in granules and is mostly used in daily cooking. Because of its pure taste, it can increase the deliciousness of dishes and contribute greatly to the seasoning of Sichuan cuisine.
The method of drying salt is prevalent in coastal areas. In coastal areas, there is abundant sunlight and a strong sea breeze. Salt people lead seawater to salt pans, and by sun exposure, the sea breeze blows it, the water gradually fades, and the salt is gradually condensed. This salt production is quite abundant, and it is mostly used for the needs of people's livelihood, and it is also an important economic product in coastal provinces. And the method of drying salt, which consumes less energy and produces more, is important for the lives of coastal residents and commerce.
The method of boiling salt is also used in some areas. It may be adapted to local conditions, depending on brine resources and geographical environment. When cooking salt, carefully control the temperature and grasp the heat, so that the quality of the salt can be guaranteed. The salt produced, or the things used for pickling, is uniform in its salt content, which can keep the pickled goods from being damaged for a long time and has a unique flavor. For example, the pickling of seafood in coastal fishing villages and the pickling of vegetables and vegetables in inland farmers rely on this salt, which plays a significant role in food preservation and flavor shaping.
The salt of the eight provinces, the light of the three methods, has its own strengths and suitable applications in many fields such as cooking and seasoning, daily use of people's livelihood, commercial circulation, food preservation, etc. It is actually an important matter for the national economy and people's livelihood.

I look at what you are asking, but I am inquiring about the market price of the light of Sanzhang archway in Bianliang. However, the land of Bianliang has changed from ancient to modern times, and the light of Sanzhang archway has not been detailed about its quality, its workmanship, and its decoration. It is difficult to determine its price.
If you take common sense, the price of the archway is related to many factors. First, the material is the most important. If you use ordinary wood as material, the price may be slightly cheaper; if you use rare wood, such as nanmu, sandalwood, etc., the price must be high. Second, the craftsmanship is also required. Elaborate craftsmanship requires skilled craftsmen, which is time-consuming and laborious, and the price is not cheap; if the craftsmanship is crude, the price should be reduced. Third, the simplicity of decoration. If beads are inlaid with jade, and gold is painted and painted, the price will increase greatly; if the quality is simple and unadorned, the price will be average.
Furthermore, the price of the market also changes with the supply and demand of the world. At that time, people worshiped the light of the archway, and there were many people who asked for it, but there were few people who made it, and the price would be high; if the world was not very enthusiastic about it, the supply would exceed the demand, and the price would drop.
Although I can't say for sure the price, I can push it. The light of the archway of ordinary materials and ordinary craftsmanship is worth about 100 gold in the city; if the material is excellent, the craftsmanship is exquisite and the decoration is gorgeous, the thousand gold is also unknown. This is only the number of ideas, and the actual price shall be subject to the local conditions at that time.

"Tiangong Kaiwu" has a saying: "All mercury, the ancients said, comes from the sand of Dan, that is, cinnabar. However, it is not the sand in the stone, but the juice in the sand. It grows deep in the mountains, and inside the stone cave, the natives all have holes and wells, and they cross into more than ten meters to take it." It is also said: "Where mercury is raised to vermilion, it is called silver vermilion (also known as scarlet). For each catty of mercury, two catties of stone pavilion fat (that is, sulfur) are added. The stars cannot be seen in the same study, and the green sand head is hyped, and then it is put into the jar, and it is solidified with mud. The iron cup covers the mouth, and the fire is added to the calcined for seven days and nights, that is, it rises to vermilion."
Fu mercury, the common name of mercury The way to hide mercury is to be careful with its utensils to prevent it from escaping. Cover mercury is easy to evaporate, and if it enters the atmosphere, it will be very harmful. Therefore, those who hide mercury must store it in strong utensils, keep it in a cool and dry place, avoid direct sunlight, and avoid candles.
"Tiangong Kaiwu" also talks about the origin of mercury and the method of refining it, but the way to store mercury, although not detailed, must be heavily sealed according to common sense. Because mercury is toxic, and after evaporation, it diffuses around, touching and smelling can hurt people. It is to hide mercury, the first heavy seal, choose a thick-walled porcelain bottle or metal jar, and seal it with wax mud, so that there is no gap to escape. < Br >
And because of its chilling and heat drastic changes, so the place where the temperature should be constant. If the high temperature, the mercury is easy to gasify; in case of severe cold, although not easy to volatilize, but because of cold and crack, causing mercury leakage. As for drying, it is also the gist. Moisture is easily corrosive, and it may chemically change with mercury, damaging the quality of mercury.
To sum up, the most important thing to store mercury is in a secret container, cool and dry. According to this, the safety of mercury can be kept and its harm can be avoided.