查询词典 derivative

The equivalent point is calculated by thesecond derivative method,which insures a precise detection range of sulfur contentin dye bath from 0.1 to 0.00001 moles/liter.

其测定硫浓度范围在10~(-1)—10~(-5)mol/L 内。实验结果表明，此法操作简便，速度较快，重现性好，回收率达到95%以上，精密度小于5%，是目前测定染液硫含量的一个灵敏方法。

Derivative security ; price equation ; numerical analysis ; stock option

衍生证券；定价方程；数值分析；股票期权

CP 56, an ethyl ester of CPF 48 was found as a derivative in ethanol.

CP 56为乙基酯，为酯化反应之衍生物。

Cortex Fraxini ; Aesculin ; Secondary derivative differential pulse polarography ; Quantitative determination

秦皮；秦皮甲素；二阶导数差示脉冲极谱法；定量分析

Financial liabilities Non -derivative financial liabilities are recognised at amortised cost using the effective interest method, comprising original debt ...

金融负债的非衍生金融负债是公认的在摊销费用使用实际利率法，包括原来的债务。。。

Graph Plotter can also find asymptotes of function, break points, extremums and calculate limit, define integral and derivative of function.

图形策划功能还能够生成函数曲线、断点、计算极数和极限、定义数学结构和派生函数。

Chinensis by the methods of column chromatography (normal and reversed phase silica gel, Sephadex LH-20), preparative TLC and HPLC. On the basis of spectroscopic methods including IR, ESI-MS, 1-D and 2-D NMR, forty eight of them were identified as seventeen flavonoids, seventeen tritepenoids, one cumarin, five steroids and some benzene derivative etc.

中药射干为射干植物的干燥根茎，从中共分离出53个化合物，通过红外、质谱及核磁共振等波谱方法鉴定了包括12个新化合物在内的48个，结构类型分别属于iridal型三萜及其新颖的二聚体、异黄酮、黄酮及黄酮醇、香豆素、甾体、芳香酸和脂肪酸及其甘油酯等。

According to the objective of second-order derivative related to curvatures, it is proved that there is no difference whether we insert a knot or not. And it presents a characteristic of cubic Hermite interpolation curves.

如果以与曲率有关的二阶导数为目标，证明插入节点与不插入节点的情形是一样的，体现三次Hermite插值曲线的一种特性。

I. Design and selection of thc high affinity DNA ligands for singIe-chain reprcssorSingle-chain repressor RRn., is a derivative of bacteriophage 434 repressor,which contains covalent1y dimerized DNA-binding domains (axnino acids 1-69) of thephage 434 repressor.

一。设计和筛选单链阻遏蛋白的高亲和力DNA结合序列单链阻遏蛋白RR_是噬菌体434阻遏蛋白的衍生物，它是噬菌体434阻遏蛋白的N端DBD（1—69位氨基酸）组成的共价二聚体。

The temperature curve of flue gas was fitted by the least square methods during the sintering process, and then 4 flexions of the temperature curve were calculated by solving a two-order derivative of the temperature curve.

提出利用最小二乘法拟合烧结废气温度曲线，求曲线方程的二阶导数计算出烧结废气温度的四个拐点。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐