Through imitative experiment research on lead removal of contaminated rivers and ditches by three kinds of media of unsaturated zone,it is found that lead in contaminated rivers and ditches can be removed and depurated by different media, and removal ratio of lead increases with depth Different media have different removal results:medium sand have a higher removal ratio than coarse sand.

Study on a Lead-leaching Technique of Brass Components;

A sort of lead-leaching solution used for cleaning out the lead at the surface of lead-brass components in potable water system has been developed successfully.

The importance of lead removal of propolis,the sources of lead in propolis and the solutions to reduce lead content in propolis were introduced.

Ameans for Pb removal from nickel chloride leach liquor is pro-posed in this paper,An anion exchange resin was used to absorb Pb,Someresults on small pilot test are described such as sorption, elution and loa-ding capacity tests,After the puritication, Pb content in the nlckel chlori-de solutio.

Study on removal of Cu(Ⅱ) and Pb(Ⅱ) in wastewater with organic macromolecule heavy metal trapping flocculant CU3#;

Effect of web cleaner mote knife gauge on removal of immature fiber;

Study on the Ozonization of Microcystic aeruginosa and the Removal of Its Algae Toxins;

Degradation and Elimination of Pesticide Residues in Vegetables;

Detection and elimination of mycoplasma contamination of cell cultures;

Preliminary study on a zearalenone elimination yeast