Development process of textile industry
Textiles are one of the oldest human activities. After the period of eating fur in the hole, taking animal skin to cover the body, since the time of cultivation, humanit…
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Textiles are one of the oldest human activities. After the period of eating fur in the hole, taking animal skin to cover the body, since the time of cultivation, humanit…
According to calculations by scientists, at any given time, on Earth we have about 2000 active thunderstorms. Each average thunderstorm usually lasts 2 to 4 hours and ca…
One of the simple measures to assess the quality of flows is to collect and analyze major indicator organisms (aquatic insects and other aquatic organisms). This method…
Protein is the most important nutrient for plants. Their content in soil is very low, so plants often lack nitrogen. One of the most popular methods of increasing soil n…
In the 3rd century BC, the Chinese discovered that it was possible to make cast iron flexible by annealing the casted iron that would not be too brittle, resistant to im…
One day, mushrooms will gradually leave the table and be present in the fuel of cars. Shiitake usually grows on woody stems in forests, they decompose complex organic ma…
Over the past 1700 years, Chinese people have been effectively fighting insects with pure biological measures: using other insects to kill insects. Their most obvious su…
Coins, as well as hierarchical relationships and domination, are not new things created today. It has existed in civilizations even more ancient than the basin civilizat…
Basic materials for making fireworks are Pepper or match pepper, sulfur and wood charcoal. These compounds are pulverized and put a little powdered powder. But for the f…
Copper though is not widely used as iron and steel. But it has many advantages that iron and steel cannot match. Pure copper has extremely good electrical conductivity a…
In Vietnam, pistachio is used for staining teeth, but in some countries in the region such as India and Thailand, the production of pistachio plastic for export since se…
The day before the production of mirrors, people stuck behind the mirror of a tin film, then poured mercury. Because mercury can melt tin, forming a sticky white solutio…
If you use a blue and black ink to write a diary, you will find that the text written today is blue, and the text written yesterday was black. That phenomenon is the res…
How do flowers bloom right on Tet? That's the permanent question of gardeners, because flowers bloom right on Tet, which means they will be sold.
The model of raising chickens in our gardens is developing strongly in many localities in the country initially, the model has brought high efficiency for many household…