Do you know all kinds of foam concrete

Do you know all kinds of foam concrete

In traditional foam concrete production, the foaming agent is dissolved and then mechanically foamed by physical methods, and then the foam generated by it is mixed into t...
Advances In Vaccine Development Are Preparing For Animal Experiments-Israel

Advances In Vaccine Development Are Preparing For Animal Experiments-Israel

It is reported that the Israeli Biological Research Institute has made progress in the development of a vaccine against the new crown virus and will conduct animal experim...