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

Jaycee：房祖名

房祖名(Jaycee)投资六位数字代理薄荷糖,前晚於中环某酒吧举行庆祝派对,成龙大哥现身撑爱子场,引起一阵混乱,可惜成龙大哥一到场即急步进场,之后又走后门离去,整晚显得十分低调.

basement complex：基盘岩群;基盘杂岩

"基盘","basement" | "基盘岩群;基盘杂岩","basement complex" | "基盘岩石","basement rock"