Test and analysis of diamond bit electroplated in ammonium and nickel bath;

A method for the separate determination of inorganic ammonium salts and other salts in atmos pheric aerosols has been developed.

The effects of light, nitrate and ammonium on the activity of nitrate reductase(NR) from a centric diatom Biddulphia rigia (Schultz)Oslenfeld were investigated.

The studies on dealing with transnormal conetent of ammonium salt in brewed sauce;

Reclaiming of ammonium salt from low SO_2 flue gas by catalytic oxidation and ammonia jetting;

The study on a new method for rapid inspection of ammonium salt in fresh milk;

Controlled synthesis of quaternary ammonium salt of amino-terminated hyperbranched polymer;

Preparation of Antimicrobial Plastics Containing Nano-meter SiO_2 Grafted High-molecular Quaternary Ammonium Salt;

Study on the modification of the expansion behavior of organic bentonite by the compound of molecular deposition filming flooding agent with alkyl quaternary ammonium salts;