Understand the main structural features of sanitary self-priming pumps in a few minutes
Time of Update: 2022-06-13
There is a rubber valve plate between the water inlet joint and the pump body, which automatically closes when it stops to keep the pump full of liquid for the last introduction .
What are the technological requirements of the small high and low temperature circulating temperature controller
Time of Update: 2022-05-06
The small high and low temperature circulating temperature controller is used in the pharmaceutical and chemical industry to heat up to the temperature required by the process through electric heating, and indirectly transfer heat in the mode of circulating pump phase to make the temperature meet the requirements of the production process.
The main properties and uses of acrylic coatings
Time of Update: 2022-02-16
2 Main uses of acrylic coatingsBecause of the good performance of acrylic paint, it is currently widely used in automotive decoration, home appliances, machinery, instrumentation, construction, leather and other fields, and it belongs to a new type of high-quality paint .
Thermoplastic acrylic latex paint is mainly used in building exterior paint, water-based road marking paint, metal anti-corrosion coating, etc.
Application of spectrophotometry in water quality analysis (1
Time of Update: 2021-09-21
The self-purification of water includes the process of gradual conversion of nitrogen-containing organic compounds into ammonia, nitrite and nitrate .
When the ammonia nitrogen content in the water sample (such as sewage) is greater than 5mg/L, the distilled acid titration method can be used for determination .
Yingemen town after the disaster carried out scientific management of planting medicinal materials
Time of Update: 2013-09-24
After the disaster, yingemen town of Qingyuan Manchu Autonomous County carried out scientific management on the cultivated medicinal materials to minimize the loss of medicinal materials caused by the