Using the right admixtures (or synergistic mixtures) to prevent or reduce the effects of cracking will extend the service life of concrete and lead to better performance. Using the filters below, you can identify the type of crack and better understa…
What exactly is aerogel powder? Gas gel powder's density is 3kg/m3. Most commonly, silicone is the gas cylinder powder. This was originally produced in conjunction with American scientists Kistler in 1931. Many types of gas gels are available, includ…
Since the impact of the new crown epidemic in 2020, the expectation of a recovery in global demand has continued to drive up commodity prices. At the same time, the Fed has not substantially tightened its operations, and the overseas financial system…
The lithium-ion battery has a nominal voltage of 3.7V (3.6V) and a charge cut-off voltage of 4.2V…