Second order derivative spectrophotometry 二阶导数光谱法
First order derivative spectrophotometry 一阶导数分光光度法
second order derivative 二阶导数项 ; 二阶导数
The first order derivative spectorphotometry 一阶导数光谱法
high-order derivative method 高阶导数法
second order derivative term 二阶导数项
second-order derivative action [数] 二阶微商作用
Sceond-order derivative spectrum;
二阶导数谱;
METHODS: The first order derivative spectrophotometry was used.
方法:采用一阶导数分光光度法。
The content of etoposide injection was determined by first order derivative spectrophotometry.
用一阶导数光谱法测定足叶乙甙注射液的含量。
And all this is, is saying that when you take a mixed second derivative, it doesn't matter in which order you take the two derivatives.
麦克斯韦关系的本质是,当你考虑混合的二阶导数时,求导的顺序不影响最后的结果,现在,我们利用这些关系。
I take a look at the second derivative, which is the second order condition.
我需要求出二阶导数,即需要寻找二阶条件
And the point is that the second derivative of A, with respect to V and T in this order is the same as the second derivative of a with respect to T and V in this order.
问题的关键在于A的二阶导数,对V和T以这样一个顺序求导,和对T和V以这样一个顺序,求导是一样的。
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