A catalytic spectrophotometry for the determination of trace amount of vanadium was developed based on its catalytic eff......

A catalytic spectrophotometry for the determination of trace amount of vanadium was developed based on its catalytic eff......

讨论了重铬酸盐法测定化学需氧量实验过程中不确定度的来源，评定了化学需氧量测定结果的不确定度。结果表明。测定结果的不确定度主......

ＩｎｔｒｏｄｕｃｔｉｏｎＴｈｅｄｅｔｅｒｍｉｎａｔｉｏｎｏｆｔｒａｃｅｖａｎａｄｉｕｍｒｅｃｅｉｖｅｄｅｘｔｅｎｓｉｖｅａｔｅｎｔｉｏｎｂｅｃａｕｓｅｏｆｉｔｓｉｎｃｒｅａｓｉｎｇｉｍｐｏｒｔａｎｃｅｉｎｂｉｏｃｈｅｍｉｃａｌａｎｄｅｎｖｉｒｏｎｍ.........

利用低碳醇作还原剂制备了'低碳醇-铬鞣剂',考察了这类铬鞣液的耐碱稳定性和粘度等物理化学性能,并对它们的蒙囿性和鞣制......

本文从胶原的结构，重铬酸盐的电离角度出发，讨论了重铬酸盐与胶原的结合原理，并用党南（Ｄｏｎｎａｎ）隔膜平衡理论和静电排斥理论解释了重铬酸为不膨......