Determination of Biuret in Zinc-Urea;

OBJECTIVE To learn the relationship among the repeated upper respiratory tract infection child patients,the blood bony alkali phosphatase and zinc content in urine,and to use it to instruct the clinical treatment.

Study on the rheological behavior of cellulose/NaOH-urea-thiourea solution system;

Primary investigation of the low temperature dyeing process of wool based on urea;

Study on spinnability of urea-solubilized cellulose carbamate;