The residual oil reduced viscosity process is an important one of processing heavy oil.
渣油延迟减粘工艺是重要的重油加工工艺，目前很受国内外炼厂重视。
The postponable reduced viscosity process is a thermal cracking one of shallow degree of residual oil.
延迟减粘是浅度热裂化渣油减粘工艺。
The results show that the relationship between the reduced viscosity and the concentration of sericin varies from solvent to solvent.
指出丝胶比浓粘度与浓度的关系因介质而异；
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