The ability to recognize and quantify the chirality of alpha-amino acids constitutes the basis of many critical areas fo......

Objective To study immunologic mechanism of tigers urine on patients of rheumatoid arthritis. Method We used ELISA metho......

目的：建立广西产千里光药材中吡咯里西啶生物碱的含量测定方法。方法采用比色法，以阿多尼弗林碱为对照，检测波长为565 nm，测定广西产千......

Bleaching with oxygen-containing agents and recirculation of process streams in the pulp and paper industry has increase......

利用三氮唑核苷的水溶液与3，5-二羟基甲苯在水浴中加热，溶液由黄色变成绿色，在665 nm处有最大吸收进行比色测定，回收率为99.4%，RSD为0.4......

采用比色法，以三氯化铁－冰醋酸－浓硫酸的混合溶液为显色剂，测定娑罗子总皂甙含量，ｒ＝０．９９９３，线性范围为２４￣４７０μｇ。......

双色测温法是一种传统的比色测温法。近几年，随着数字图像处理技术的发展，双色测温法开始和数字图像处理技术结合起来，进行了高温火焰......