查询词典 angular derivative

The experimental results show that this new kind of chitosan derivative has the characters of both chitosan and dithiocarbamate.This compound has much better selectivity and capability for heavy metals.Meanwhile,it is convenient,safe and more jarless in acid solution.All results above show that this chitosan derivative has a good application foreground.

本文合成的二硫代氨基甲酸改性壳聚糖兼具天然高分子壳聚糖与二硫代氨基甲酸基的结构与特性，对重金属离子具有良好的选择性和优异的捕集效果，能同时去除多种重金属离子，而且具有使用方便、毒性小、抗干扰能力强、性能稳定等优点，具有良好的应用前景。

This paper mainly studied the price fixing of derivative securities under the random interest rate model which applied stochastic differential equations on the basis of option pricing theory and the model of derivative securities pricing, several majo

在双因子Vasicek随机利率模型下给出了折价债券满足的偏微分方程和债券定价公式，通过分析到期收益率与远期利率的动态变化过程，推导出双因子Vasicek随机利率模型下折价债券买权和卖权的定价。

Take the melting point of the dry solid semicarbazone derivative and record the yield. If it is necessary to recrystallize the semicarbazone derivative, you may do so from an ethanol/water mixture.

测定干燥的缩胺基脲衍生物的熔点，并记录其产量，如果有需要将缩胺基脲衍生物进行再结晶的话，你可以用乙醇/水的混合物来进行。

Take the melting point of the dry solid semicarbazone derivative and record the yield. If it is necessary to recrystallize the semicarbazone derivative, you may do so from an ethanol/water mixture.

测定乾燥的缩胺基脲衍生物的熔点，并记录其产量，如果有需要将缩胺基脲衍生物进行再结晶的话，你可以用乙醇/水的混合物来进行。

By analyzing, an adaptive mode of linear filter based on DCT is given out. The curves of the vertical second derivative of gravity anomaly are matched well with those of the academic second derivative, and the calculating precision is much higher.

通过分析给出了基于DCT的合适的线性滤波方式，滤波后的重力异常垂向二阶导数与理论二阶导数拟合效果好，具有较高的计算精度。

From essential naturel,the defence activities of lawyer are the derivative,the defence activities of Lawyer are the derivative of defendants right and the product which may compensate for the "overdrawing" of judicial powers.

从根本性质上来讲，律师的辩护活动实质上是被告人权利的衍生品和对司法权力&透支&进行补偿的产物。

His prospective father-in-law, however, reneged, perhaps making this not only the first derivative but the first default on a derivative.

他未来的岳父，但食言，也许这不仅使一阶导数，但第一次违约的衍生产品。

In Chapter 1,some basic concepts and related qualities areintroduced,for example,Gateaux derivative,Fréchet derivative and the complexform for elliptic systems of equations etc.

第一章我们介绍了Gateaux导数和Fréchet导数的概念、有关性质以及椭圆型偏微分方程组的复形式与椭圆型条件等基础知识。

Two types of haptens, the earboxylated propyl amino derivative of the acid moiety (HCA1) that is the hydrolyzed product of cyhalothrin, and the carboxylated ethyl carbonyl derivative of the alcohol moiety (HCB2) were synthesized, and conjugated with the carrier proteins bovine serum albumin and ovalbumin respectively by the active ester method and the mixed anhydride method. The polyclonal antibodies were obtained after immuning to the New Zealand rabbits.

通过对氯氟氰菊酯分子结构中的酸部分接4-氨基丁酸(HCA1)和醇部分接丁二酸酐(HCB2)，合成两种不同的半抗原，并通过碳二亚胺法将HCA1和HCB2分别与牛血清蛋白偶联制备了人工抗原HCA1-BSA和HCB2-BSA，通过活泼酯法将HCA1、HCAS和HCB2分别与卵清蛋白偶联制备包被抗原，两种人工抗原通过免疫新西兰大白兔来制备相应的多克隆抗体。

In this paper, a novel control strategy which contains a simple and practical fuzzy proportional derivative unit combined with an integral unit and an acceleration damping unit was developed. This configuration preserves the linear structure of the conventional state feedback controller, but has variable gains: the proportional and derivative gains are nonlinear functions of their input signals, which have self-tuning capabilities using human experience and knowledge.

本文在简要分析系统数学模型的基础上首先给出了传统的状态反馈控制器的设计方法，并在此基础上，提出了一种非线性模糊PD控制器结合线性加速度阻尼环节和线性积分环节的混合控制器。

Don not attempt to do something which you can not to do.

不要企图做那些办不到的事情。

The expression of CTGF and TNF-αweredetected by immunochemistry and the number of Clara Cells was calculated.

光镜下观察肺组织的病理变化，采用免疫组化染色观察肺组织中结缔组织生长因子和肿瘤坏死因子-α的表达和Clara细胞的数量。