In agricultural production, the use of pesticides in excess and in excess range is one of …
Summer and autumn high temperature weather is conducive to the occurrence of various veget…
1. Hollow cathode lamps require a certain warm-up time. The lamp current slowly rises from a lo…
Green peppers are high in yield and stable in their own right, but some places show reduce…
Blood is an important material basis for human life activities. It contains various nutrie…
Platelets play an important role in the involvement of thrombosis and atherosclerosis. TX…
Ducks, geese commonly used feed are cereals, bran and so on. Simple processing of these fe…
Malignant tumors are one of the major diseases that threaten…