Since the most widely used detector for high performance liquid chromatography is a UV detector, it is used to detect samples with UV absorption. The UV detector is highly sensitive, does not destroy the sample, …
After the product is placed in the packaging container, in order to keep the product sealed and preserved, to maintain product quality and to avoid product loss, the packaging container needs to be sealed. This operation is done …
In Hainan, in order to ensure the quality and safety of the sale of cowpeas on the island, the production and acquisition and transportation of cowpea are 100% included in the inspection range from the place of origin to the poin…
After purchasing a micro-farming machine, farmers' friends must have correct operation methods in use and need to do daily maintenance work. Professionals remind everyone that they should pay attention to the following aspect…
Ultra-low-volume spray is a new technology promoted in plant protection in recent years. It only needs to spray less than 330 ml of oil pesticide per acre to receive good control effect. Due to the small diameter of the droplets,…
The high temperature gear oil pump is suitable for conveying high temperature liquids without solid particles and fibers, non-corrosive, medium temperature up to 250 ° C, viscosity of 5-1500 cst. When the gear rotates, the mel…
The packaging process includes major processes such as filling, wrapping, and sealing, as well as related pre- and post-processes such as cleaning, stacking, and disassembly. In addition, the package also includes processes such …
Household refrigerators are classified into freezer cabinets, refrigerator cabinets, refrigerating cabinets and refrigerating and freezing cabinets according to their functions. The volume of domestic freezer cabinets is generall…
The hot air rotary furnace is based on the temperature requirements of the terminal equipment, and outputs equipment suitable for temperature and a certain flow of hot flue gas. On the basis of meeting the basic requirements, we …
With the development of the economy, human beings have higher requirements for quality of life and more and more demand for dairy products. Therefore, many dairy manufacturers are constantly introducing new packaging to meet the …
1. The pump does not produce oil
If the gear pump does not come to the oil during commissioning, first check that the gear pump is rotating in the correct direction. …