Naphthalene Sulfonate Superplasticizer: Ịkwalite ịrụ ọrụ na ike na sistemu ihe eji eme ihe ọgbara ọhụrụ polycarboxylate ether
1. Ọdịdị kemịkalụ na arụrụ arụrụ arụ 1.1 Synthesis na Molecular Architecture (Naphthalene Sulfonate Superplasticizer) Naphthalene sulfonate formaldehyde condensate (NSF), n'ozuzu…