导数

of a constant function

常数函数之导数

of a composite function :复合函数之导数 | of a constant function :常数函数之导数 | directional :方向导数

Second derivative

二阶导数

建立了快速测量茶多酚中总儿茶素含量的近红外光谱定标模型.将48份茶多酚样品组成定标样品集,在1000-2500nm(4000-10000cm^-1)的近红外漫反射光谱为定标波长范围内,光谱经一阶导数(First derivative)、二阶导数(Second derivative)、标准归一化(Standard normal variate,

Second derivative

阶导数

通过对样本原始光谱进行附加散射校正(MSC)、变量标准化(SNV)、一阶导数(First derivative)和二阶导数(Second derivative)处理,以定标集决定系数(R2)和标准差(RMSEC)、交互验证决定系数(1-VR)和交互验证标准差(RMSECV)作为衡量定标模型质量优劣的指标[7,

Second derivative

二次导数

second degree skin burn 第二级烧伤 | second derivative 二次导数 | second derivative spectroscopy 二阶导数谱学

First derivative

一阶导数

建立了快速测量茶多酚中总儿茶素含量的近红外光谱定标模型.将48份茶多酚样品组成定标样品集,在1000-2500nm(4000-10000cm^-1)的近红外漫反射光谱为定标波长范围内,光谱经一阶导数(First derivative)、二阶导数(Second derivative)、标准归一化(Standard normal variate,

first derivative spectrum

一级导数光谱

first derivative 一阶导数 | first derivative spectrum 一级导数光谱 | first derived curve 导曲线

derivative polarography

导数极谱术

derivative thermogravitimetric analysis 导数热重量分析;微分热重量分析 | derivative polarography 导数极谱术 | derivative polarogram 导数极谱

Second Derivative Test

二阶导数试验法

Second derivative :二阶导数 | Second Derivative Test :二阶导数试验法 | Second partial derivative :二阶偏导数

Second Derivative Test

二阶导数测试法

Second derivative :二阶导数 | Second Derivative Test :二阶导数测试法 | Second partial derivative :二阶偏导数

time derivative

时间导数,按时间的导数

time dependent rebound ==> 时间相关回跳 | time derivative ==> 时间导数,按时间的导数 | time deviation ==> 时间偏差=>時差

Ontario moonstone：安大略月光石,安大略月长石

onicolo 玛瑙 | Ontario moonstone 安大略月光石,安大略月长石 | onychite 雪花石膏

She is vilified by the press for her controversial view：因她持有异议,新闻界对她横加挞伐

牐12. vilify 诽谤,中伤 | 牐燬he is vilified by the press for her controversial view. 因她持有异议,新闻界对她横加挞伐. | 牐13. decry 责难,诽谤