Hydrogen nitrate powder acidizing is to mix solid hydrogen nitrate powder and hydrochloric acid in certain proportions to generate strong oxidizing nitrosyl chloride, which can violently and locally dissolve rock and blocked material without destroying formation structure, to make through oil path and improve formation permeability.

Study on boiling heat transfer enhancement in heat pipe using solid powder;

Using the fluorescence inspected system and optic fiber,the solid powder fluorescence of oil cuttings is inspected directly.

Technique of co-permeation of solid powder boron and rare earth boron, chromium and aluminum in 45steel;

Effect of CeCl_3 on co permeation of solid powder boron and vanadium in H13 steel;