Algae mate helps corals survive heat waves
News202Days Ago (07-10)
Many corals of on Christmas Isl in the Pacific Ocean were bleached died in the long heat wave (right) but some survived due to their special companions. Photo source: Danielle CLAAR Kevin Bruce corals are very sensitive to changes in sea wat...
Microplastics in water are easily absorbed by cells
News213Days Ago (06-29)
plastic waste on the drina River in Bohemia. Photo source: Eldar Emric / AP recently a new study published in the Journal of scientific progress shows that microplastic particles exposed to fresh water or saline water for several weeks are...
What is a tapered roller bearing?
News254Days Ago (05-19)
Tapered roller bearings are separate bearings. The inner and outer rings of the bearings have tapered raceways. This type of bearing is divided into different structural types such as single-row, double-row and four-row tapered roller bearin...
The UK Will Set Up A Cross-Disciplinary Working Group To Promote The Development Of A New Crown Vac
News282Days Ago (04-21)
It is reported that the UK will set up a particular working group to coordinate and promote the development and production of the new crown vaccine. Its members include representatives from industry and academia in addition to government off...
Do you know the advantages of crossed roller bearings
News308Days Ago (03-26)
The internal structure of the crossed roller bearing adopts rollers arranged at 90 ° to cross each other vertically. Spacer or spacers are installed between the rollers, which can prevent the tilting of the rollers or the mutual grinding be...