We know that the birth of many new varieties of crops is a result of the selection of excellent genetic materials from excellent crop planting resources. Therefore, the richer the germplasm resources of crops, the higher the level of breeding, but from the actual situation From the point of view, important crop varieties in many regions are not the place of origin. Therefore, it is imperative to introduce excellent germplasm resources. The application of the crop Germplasm Bank is conducive to the introduction and exchange of crop germplasm resources, and promotes the commonness of agriculture in all regions of China. development of.
The germplasm resource bank of crops is an important equipment used for the collection and preservation of crop germplasm resources. Using this library, it can be firstly used to rescue ancient varieties of local crops and their wild relatives from various crops, and improve their quality. Features such as characteristics, cultivation methods, utilization value, and adaptation range, and the advantages of regional germplasm resources, the second crop germplasm resource bank can maintain these important crop germplasm resources in a stable and safe manner for a long time, so that people can There is no need to worry that it will be affected by the region and the environment. Therefore, the use of the germplasm resources bank of crops is not only conducive to the protection and utilization of crop germplasm resources, but also more conducive to promoting the exchange of resources and increasing the introduction of germplasm resources.
In addition, the Crop Germplasm Bank provides a convenient and efficient management program, which is conducive to the establishment of crop germplasm resources general survey database and cataloging database for the collection and preservation of crop germplasm resources in various regions to improve germplasm resources. Resource database and online data query platform, so that when the introduction and exchange of germplasm resources, it is also more convenient to carry out the work, improve the utilization value of these crop germplasm resources, and provide an exchange and sharing platform for scientific research breeding and agricultural industrialization development. To promote the efficient use of innovative germplasm.
Plasma cutting is a process that cuts through electrically conductive materials by means of an accelerated jet of hot plasma. Typical materials cut with a plasma torch include steel, Stainless steel, aluminum, brass and copper, although other conductive metals may be cut as well. Plasma cutting is often used in fabrication shops, automotive repair and restoration, industrial construction, and salvage and scrapping operations. Due to the high speed and precision cuts combined with low cost, plasma cutting sees widespread use from large-scale industrial CNC applications down to small hobbyist shops.
Plasma torches were once quite expensive. For this reason they were usually only found in professional welding shops and very well-stocked private garages and shops. However, modern plasma torches are becoming cheaper, and now are within the price range of many hobbyists. Older units may be very heavy, but still portable, while some newer ones with inverter technology weigh only a little, yet equal or exceed the capacities of older ones.
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