1) D 1-TFA
一阶导数-因子分析法(D1-TFA)
2) D 2-TFA
二阶导数-因子分析法(D2-TFA)
3) cation exchange resin first order derivative spectrophotometry
阳离子交换树脂一阶导数分光光度法
4) first order optimization method
一阶分析法
1.
In order to determine the prestresses of the cables of the bridge,the first order optimization method is used to solve the program.
本文建立了斜拉桥索力优化的非线性规划模型,其中以斜拉桥主梁和索塔的弯曲应变能为目标函数,以各斜拉索的索力为设计变量,结构应力及索力为约束条件,采用一阶分析法进行求解,用以确定成桥合理状态的索力。
2.
In order to determine the prestressing force of the cables, the first order optimization method was used to solve the program.
本文建立了斜拉桥索力优化的非线性规划模型,其中以斜拉桥主梁和索塔的弯曲应变能为目标函数,以各斜拉索的索力为设计变量,结构的应力及索力为约束条件,采用一阶分析法进行求解,用以确定成桥合理状态的索力。
5) first derivative spectrophotometry
一阶导数分光光度法
1.
Determination of fleroxacin in its preparations by the first derivative spectrophotometry;
一阶导数分光光度法测定几种制剂中氟罗沙星
2.
Two methods for the rapid determination of 10-HDA in royal jelly with the def-frential spectrophotometry and the first derivative spectrophotometry are presented.
本文提出了用差示分光光度法和一阶导数分光光度法测定蜂王浆中蜂王酸的含量。
6) first order derivative spectrophotometry
一阶导数分光光度法
1.
OBJECTIVE:To improve the methods to determine the contents of ribavirin in ribavirin eye drop METHODS:First order derivative spectrophotometry was used to determined by UV at 222 nm and Δλ 2 nm RESULTS:The average recovery for this method was 99 9%( n=5 ),and the RSD was 0 846% CONCLUSION:The method was simple and accurate,it can be used to determine the contents of ribabirin in eye drop
方法 :采用一阶导数分光光度法直接测定利巴韦林含量 ,测定波长为 2 2 2nm ,Δλ =2nm。
补充资料：容量分析法(见化学分析法)
容量分析法(见化学分析法)
容t分析法见化学分析法
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条