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…
GaN is a semiconductor material of third-generation with a wide forbidden-band width and better characteristics than the GaAs or Si materials of first-generation. GaN devices, due to the large band gaps and high thermal conductivity of GaN, can oper…
Nano-gold uses high purity gold as a raw material and is then made into particles below 15nm using a new processing technique, greatly improving the inherent properties of gold. Purity: 1000ppmParticle size: 5-15nm The following is a list of the mo…
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