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What is the chemical structure of this product?
I don't know what the product you mentioned is, so it is difficult to determine its chemical structure. However, the description of "Tiangong Kaiwu" is based on the cognition and expression of the time, and discusses all kinds of process products.
If you want to describe the chemical structure of the product in detail in ancient Chinese, you should follow the knowledge system and words of the time. Although ancient scholars did not study the wonders of molecules and atoms as carefully as they do today, they still have insight into the nature, quality and change of things.
Or Keyun, looking at this product, and investigating its raw materials, if it is gold or stone, or mined from ore veins, after calcination, melting and other methods, its structure may be changed due to the intensity of fire or the immersion of water. Such as smelting iron, iron ore is calcined by fire to remove its impurities, and the quality of iron gradually purifies. Its structure is composed of ore, which is mainly composed of iron elements, and occasionally impurities such as carbon are mixed to form iron-carbon systems. This structure affects the rigidity and softness of iron.
If it is a genus of plants and trees, it is processed, tortured, etc., and the structure of its components also changes. Such as ink making, based on pine smoke or oil fume, and glue and other substances. Pine smoke and oil fume are the essence of grass and wood after burning. Its structure is originally carbon particles, while glue is made of animal skin and bones, containing protein and other ingredients. The two phases are combined. The carbon particles are wrapped in glue and form an ink structure. Therefore, when writing, ink can be attached to paper and silk, and the color is black and long-lasting.
If it is a chemical synthesis, although there are no complicated means today in ancient times, there are similar methods. For example, alchemy, although it involves much falsehood, there are traces of chemical changes in the synthesis of drugs. Or by combining water and fire, the atoms and molecules of various things can be rearranged and combined to form a new structure. However, the ancient method, based on experience and exploration, is not as accurate as today's scientific analysis of the structure.
It is a pity that due to the name of the unknown product, it is only possible to use the ancient thinking to discuss the change of chemical structure. It is difficult to determine its true appearance.
What are the main uses of this product?
The main users of this product cover many aspects.
First, in agricultural labor, its contribution is great. Farmers need to dig the ground and turn the soil to facilitate seeds to take root and germinate, and crops to thrive. This product can help farmers manually translate and reclaim the fields, make the land loose, retain water and fertilizer, create a good growth foundation for crops, make the grains abundant, and the fruits and vegetables are beautiful. It is actually a good assistant to farming, which is related to the food and clothing of people's livelihood.
Second, it is also indispensable in garden construction. If you want to build a garden, you need to prepare the ground, plant trees with stones, and dig ponds for drainage. This product can accurately perform various operations, turn garden planning into reality, and create a beautiful scenery with winding paths and secluded lakes and mountains. It provides the world with a good place to rest and enjoy, and contributes a lot to cultivating temperament and pleasing body and mind.
Furthermore, in the field of architectural construction, its role is crucial. To build a house and build a building, it is necessary to level the foundation, dig the foundation and trough, and lay a solid foundation for the building. The rise of high-rise buildings and the extension of bridges and roads all depend on the power of this product. Without its help, the progress of the project will be slowed down, and the quality of the construction will not be guaranteed. Therefore, it is the cornerstone of the construction industry and promotes the continuous development of human living and transportation facilities.
Again, it is also useful in the mining industry. Prospecting and mining requires digging tunnels and mining ores. This product can go deep into the ground, efficiently collect various mineral resources, provide necessary raw materials for industrial production, and have a profound impact on the country's economic development and industrial progress, helping the steady operation of the industrial system.
Overall, this product plays a key role in agriculture, gardens, construction, mining and many other fields. It has a wide impact on human production and life, and is indispensable. It is an important tool for promoting social development and progress.
What are the physical properties of this product?
The physical properties of this product are as follows: its quality is firm and tough, like the solidity of gold and stone. Although it has been through the vicissitudes of life and wind and rain, it is difficult to damage its shape and break its quality. Touch it, it is warm and moist, like a suet jade plate, giving people a soft feeling, unlike rough things, which are difficult to touch. Looking at its color, it is pure and natural, like a natural color, uncarved and vulgar, or plain like frost and snow, or light like morning glow, all of which have unique beauty.
Furthermore, its specific gravity is moderate, holding it in the hand does not feel too heavy, nor is it too light to float, just like holding something in the palm, achieving a correct state. And its thermal conductivity is good, it is warm when heated, and the heat dissipation is also slow. It can warm hands in cold nights, but not in hot summer.
It also has its good ductility, which can be deformed according to people's wishes, or beaten into thin sheets, or pulled into filaments, and after deformation, it still retains its quality and does not crack. At the same time, it has strong corrosion resistance, does not worry about water immersion, does not fear cavitation, and can be kept outside for a long time. It can also maintain its initial appearance, just like the virtue of a gentleman, which is stained but not stained.
The physical properties of this product are so, and it has many excellent characteristics, which is really a rare material.
What are the common specifications of this product in the market?
One of them is the size scale. Take the short one, the short one is 20 inches, or more than 10 feet. For example, the beam used in the building room, its width is different due to the construction system, and it has the size of two feet or four feet; while the daily wood, such as the number of cases, The size is more than 20 feet. Its thickness also varies. The thickness of the plate is narrow, the narrow one is 20 feet, and the one is 10 feet or more. The thickness is half an inch thin, and the thick one can be 10 inches.
The second one weighs less. The heaviest one is like a wreath of a feather, which is easy to hold but not heavy, and what is contained in each catty is too heavy; the heaviest one, if it is a wreath of wreath, can be wreathed by one person, or hundreds of catties, or thousands of catties. If you make a tripod, its weight is often in thousands of catties, and it cannot be moved unless you work together.
The third is the material price. Those with wood, such as pine, cypress, sandalwood, and elm, each with its own characteristics. Pine and straight, it is suitable to build rafters; sandalwood, with its fragrance and seclusion, is mostly used for fine utensils. Those with gold, such as wreathed, wreathed, wreathed, and gold, can be wreathed; those with hard nature, often with weapons and wreathed materials. There are other stones, such as marble and Qingtian stone, the color of marble is beautiful, and it is mostly used for cutting and screen cutting. Qingtian stone is made of high-quality seal carving materials.
Its four products are high-quality. The high-quality ones are finely selected, and the flaws are high. Such as beautiful jade, the ground is low, the color is uniform, and the light is high; and the low-quality things are well-crafted, and the road is clear and smooth as fat. The medium ones have occasional flaws, but they are not large. The lower-class ones have obvious flaws and poor quality.
This is a common style of high-quality products in the city, each has its own use to meet different needs.
What are the production methods for this product?
The method of making this product is quite complicated, let me come one by one.
First, the selection of materials is the key. It is necessary to select raw materials with good texture and high quality in order to lay the foundation of the product. If good wood is used as a tool, it must first choose the one with straight texture and tough wood before it can be made into a good tool.
Second, the preparation process cannot be ignored. The raw materials are selected, and they should be processed in sequence. Or it needs to be washed to remove impurities, or it needs to be dried to make it moderately dry, just like the rice is bumpy, and the chaff is removed and the solid is kept.
Third, the molding method has its own ingenuity. Or use the method of molding, take the paradigm as the model, inject the raw materials, and wait for it to solidify and form, such as the method of casting bells, and the paradigm is shaped; or apply manual carving, the craftsman uses exquisite skills to create momentum according to the shape and carefully carve, so that the utensils have a unique charm, like jade, into a warm and moist beauty.
Fourth, the modification process increases its brilliance. Or paint the color, or engrave the pattern, so that the product is not only practical, but also more beautiful. Like brocade adding flowers, shining.
Fifth, the step of inspection, rigorous control. Examine the product one by one, check it for defects, check its performance, and discard it if it does not meet the standard, so as to ensure the same product quality.
All these are the methods for making the product. Although the steps seem independent, they are actually interlinked and indispensable. Only in this way can a good product be produced.