分析曲线

Based on the method of standard curve, the mathematical model of evaluation on uncertainty for determination of SudanⅠ in food by single scan polarography has been established in this paper. The related components of uncertainty were analyzed.

本文依据标准曲线法建立了单扫描极谱法测定食品中苏丹红Ⅰ的不确定度评定的数学模型，对影响测量结果的不确定度分量进行了分析，较全面地评定了测定结果的不确定度。

Of uncertainty were analyzed. A comprehensive evaluation on uncertainty of measured results of SudanⅠ in food by single scan polarography was carried out.

本文依据标准曲线法建立了单扫描极谱法测定食品中苏丹红Ⅰ的不确定度评定的数学模型，对影响测量结果的不确定度分量进行了分析，较全面地评定了测定结果的不确定度。

Two hysteretic models suitable for damaged and undamaged fiber-reinforced prestressed wide-beam frames were proposed sequentially. The hysteretic models consisted of a skeleton curves which based on the concept of three stage polygonal line with soften region and some hysteretic rules.

在上述研究的基础上，分析了无损伤和地震损伤的钢纤维预应力扁梁框架滞回曲线的主要特征，进而分别提出了适合于无损伤和地震损伤的钢纤维无粘结预应力扁梁框架结构的恢复力模型。

It was applied to analyze the structures of ashless dispersants and their derivatives. The results were obtained and correlated. The molecular weight distribution and dipersity of ashless dispersant, number of polyisobutene R and polymeric degree of R polymerism in addition agent were obtained.

以Ultrastyragel为固定相，四氢呋喃作流动相，用普适标准校正曲线及凝胶渗透色谱法对无灰分散剂及其对应衍生物的结构进行了分析测定，并将测定结果相关联，计算出了无灰分散剂的相对分子质量分布、分散度及添加剂所含聚异丁烯R基的个数及R基聚合度。

The method of reading the line, arc, spine, tolerances, surface roughness and full messages of the part from DXF file generated by AutoCAD is mainly introduced. Based on the study of DXF, a program interface is developed, by which the data can be shared among different CAD systems. According to the different Characters, the respective tool paths are designed. And by a machine configure file, the General postposition process is deal with. On the research of thegeneral simulation technology that is based on the NC codes. By analyzing the characteristics of the CNC system and the NC codes, a set of general simulation interface is developed.

本文主要介绍如何从AutoCAD生成的DXF文件中读取直线、圆弧、样条曲线、尺寸公差、表面粗糙度等信息及零件的全局信息，结合回转体零件的特点，通过对应用广泛的DXF的深入分析，建立了与不同CAD系统实现数据共享的编程接口；根据零件的不同加工特征提出了相应的走刀路线，并通过机床配置文件，初步实现了通用后置处理；研究了数控系统和NC代码的特点，建立了仿真通用接口，并提出代码翻译地基本思路。

The controller measures and monitors parameters of electric network, then saves preterit data of 60 days which is the evidence of the running status of electric network. And then the running curve of parameters is gained by background data process of computer.

控制器具有历史数据存储功能，能够对电网运行状况进行监测，通过后台软件的分析处理给出各项电网参数的运行曲线，可方便地对控制器性能和电网运行状况作出评估。

The Discrete Logarithm Problem was analyzed. Based on the discrete logarithm in the prime field, and combined with the elliptic curve DLP in the limited domain, a new digital signature was brought up.

分析了离散对数问题，以素数域上的离散对数为基础，同时结合有限域上的椭圆曲线离散对数问题，提出一种新的数字签名方案，其安全性建立在离散对数算法上。

On the basis of the nonparametric feature of traffic safety data,principal curve was applied to analyzing the tremendous traffic safety data in this paper.

针对交通安全数据的非参数性，将主曲线方法应用于交通安全数据分析。

By using of principal component analysis,second curve forecasting method,expert fuzzy prediction method and other methods quantitative study of Yancheng Coastal Zone environmental indicators and subsystem level weights were done from 2006 to 2015,at the same time early warning and forecast of the impact on the environment of Yancheng Coastal Zone were established.

利用主成分分析法、二次曲线预测法、专家模糊预测法等方法，定量化研究了盐城海岸带环境指标及子系统和指标层的权重，并对2006~2015年的盐城海岸带环境压力进行了预警预测。

Keywords: image analysis, principal curves, principal curve component, neural network

仿真实验结果表明，主曲线成分分析能很好地解决非线性主成分问题，应用前景广阔。

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