Phophoric or chromic acids , or mixtures , produce best results .
磷或铬，或其混合物，能获得最佳效果。
Salt formed by neutralising chromic acid with ammonia .
氨与铬酸中和所产生的盐。
I 'll be closing the peritoneal cavity with zero chromic sutures .
我要用零号可吸收缝线关闭腹腔。
Chromic sulfate , sodium formate and formate acid react with hydrolysis collagen were investigated by fluorescent method to get the more evidence of understanding chrome tanned mechanics .
