The roble had hit a record low after the West imposed sweeping sanctions on Russia for its aggression in Ukraine. Russia's president recently ordered exports of Russian gas to "unfriendly" countries to be settled in robles. The speaker of Russia's up…
How serious are fertility problems today? People don't want to give birth,can't afford it, and can't give birth that has become the "three mountains". The problem of childbirth is related to the people's livelihood. Whether a country can prosper or n…
If the compatibility of polycarboxylate superplasticizer and cement is not good, the concrete mixture is prone to some problems, such as segregation, bleeding, greater slump loss, shorter setting time and so on, so that the concrete mixture can not b…
Modified graphite powder TRA (modified artificial graphite) is a lithium anode material. It increases the wettability and shrinkage of the pole pieces, which has a positive influence on the battery's overall life.Particle Size: 14um About 9.95%…
In the process of concrete mixing, the mixing method of admixture has a great influence on the effect of admixture.…
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