In order to ensure a good harvest of summer food next year, if the soil is not empty and the fields are lacking, winter irrigation must be carried out. At present, the best time for winter irrigation has passed, we must master the watering method and scientific watering.
One is the.......
Seat belt tensile testing machine to ensure the safe performance of the belt
We know that seat belts have become a top priority for drivers and occupants, and .......
1. Principles to be followed when interplanting Chinese herbal medicines in orchards: First, according to the biological characteristics of different fruit trees and Chinese herbal medicines, a reasonable field structure should be formed. The selection of Chinese herbal medicine varieties .......
Now, vegetable growers who are ready to plant early spring watermelons have begun to grow seedlings. According to the author's observation, the depth of the nursery bed used by the melon farmers is equivalent to the height of the trays. However, in order to facilitate the placement of .......
In recent years, many fruit trees in the Jiaodong area have been seriously or greatly affected. The authors found through investigation that the root cause of the disease prevention and control in the current fruit tree production is that the pathogens of the disease are misunderstood and .......
Flammulina velutipes is a common mushroom variety in our lives, and the market price has not been low. Especially in the cold winter, as a necessity for many friends hot pot, the market demand for Flammulina velutipes is very huge. Then, is the Flammulina a good specie.......
In March of this year, CAR-T therapy LCAR-B38M cell autologous reinfusion preparation obtained the clinical trial approval of the former State Food and Drug Administration (CFDA), becoming the first clinically approved CAR-T therapy.......
Source: Network of ozone .......
Fuel injector return: The injector is a precision component. If the diesel engine uses unclean diesel or the machine is used for a long time, it will return due to the wear of the nozzle. However, replacing the fuel injectors is costly and uneconomical. To prevent the oil from leaking, the.......