导数

The content of ofloxacin of main drug was determined with the first order derivative spectrophotometry.

一阶导数光谱法测定氧氟沙星主要的含量。

A mark used as a superscript to indicate the first derivative of a variable .

撇号置于右上角的符号，用以标明变量的第一个导数

A Use the first derivative to find the critical points and to find out where the graph is increasing and decreasing.

利用函数的一阶导数找出图形的临界点，判断图形的增减性

In this paper, a new approach for automatic extracting the local maximum lines from the first horizontal derivative images of geophysical fields is proposed.

提出了一种自动提取地球物理位场水平一阶导数图象中局部极大值线的有效方法。

This can be done adding a penalty term into target function used in the standard BP algorithm, and the penalty term is related to the first derivative of the target function.

具体的做法是在标准BP算法中的目标函数项内增加一惩罚项来完成的，而此惩罚项与目标函数的一阶导数相关。

Robust design objective is always structural response′s first derivative, constraint functions are nonlinear functi...

鲁棒设计目标函数为结构响应的一阶导数，约束函数也是非线性隐函数，因此是多变量的非线性优化问题。

The results showed first derivative UV spectrophotometry was a simple, accurate and effective method to quantify VE in liposomes.

结果表明一阶导数紫外光谱法测量范围大，可测定较大浓度样品，并可消除膜脂材料对VE测量的影响。

A new method for the determination of soluble phosphate in water by micro emulsion and the first order derivative spectrophotometry is proposed.

研究了在OP微乳液的作用下，用一阶导数磷钼蓝分光光度法直接测定水中可溶性磷酸盐的最佳条件。

The simultaneous determination of iron and aluminium in quartz sand by first derivative spectrophotometry .

一阶导数光谱法同时测定石英砂中铁和铝的研究。

A first derivative spectrophotometric method is presented for the determination of fleroxacin in tablets, capsules and powder for rejection.

用一阶导数分光光度法测定了氟罗沙星片剂、胶囊和粉针剂中氟罗沙星的含量。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。