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The basic theories of mathematical morphology for binary image are stated, and the most simple structure elements of morphologic transformation for binary images are proposed and proved. The geodetic morphologic transformation models are also developed. For the purpose of improving the speed of transformation in computer, the"set symmetric difference"is introduced to adapt each model. Some new morphologic filtering models and quantitative evaluating model of filtering effects in image processing are proposed, under the applied condition. The morphologic thinning methods are studied, and two new morphologic thinning models are developed. On the basis of analyzing the characteristics of mining maps, the image vectorizing tactics and a series of algorithms are proposed, including dynamic adaptive image thresholding using two thresholds, graphic and text separation, noise removal, and multi elements extracting models with mathematical morphology. Accuracy preserving compressed vectorizing model for image vectorization is put forward to generate vector data in multi layer.
论文对二值图象形态学的基础理论进行了较系统的阐述,提出并证明了二值图象处理中形态变换的最简单结构元素,并发展了测地形态变换模型;为了提高形态变换的计算机实现速度,引入了集合论中"对称差"的概念对各形态变换模型进行了改化;针对数学形态学在图象处理中的实际应用,提出了新的形态滤波模型及滤波效果的度量评价模型;研究了形态细化方法,提出了快速形态细化和保形快速形态细化算法;在研究矿图基本特征基础上,提出了人机协同矿图扫描图象矢量化处理策略及一系列扫描图象处理算法模型,包括双阈值动态自适应图象二值化、图文分离、噪声去除、图面多种要素提取形态变换模型等;在图象栅格—矢量转换中,提出了保精度压缩矢量化模型,以生成分层要素矢量数据。
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This essay illustrates the contents,forms and significance of democratic parties' supervision upo...
本文分析了各民主党派对共产党进行监督的内容、形式、意义及通过几十年的努力取得的成效,同时对各民主党派开展监督工作中尚存在的问题及其对策进行重点论述,提出应在实践中不断总结升华民主党派对共产党进行监督的工作经验,加大工作力度,进一步发挥各民主党派的参政党职能,促进社会主义事业的发展
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Perfect aspectual operator, experience aspectual operator, progressive aspectual operator, and short aspectual operator are veridical operators;⑵Chinese PPIs can be license d by veridical operators;⑶PPIs and NPIs in Mandarin Chinese distribute symmetrically and are unified underveridical contexts.
本论文从汉语时态的角度,对汉语中的时态算子对汉语正极项的允准进行了初步的研究;并试图证明以下三个问题:⑴汉语中的时态算子:完成态算子,经历态算子,进行态算子,及短暂态算子为真实性算子;⑵汉语中的正极项能够被真实性算子允准;⑶汉语中的正极项与负极项呈对称性分布,并统一于真实性语境。
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Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows:①reviewed entirely the origin and evolvement of the concept "sustainable development", stated and commented the study status in queue on"sustainable development"around national and international range, thorough discussed the science connotation about the concept "sustainable development";②looked back and commented across-the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings;③expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory;④thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the MATLAB software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the B-J method and Morte-Carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources;⑤synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming, mathematical statistics, random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality;⑥analyzed the inside condition and outside condition to assure the sustainable and optimum exploitation of groundwater resources, the inside conditions are the follows: correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows: the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water-saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology;⑦scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy;⑧point out the more directions on groundwater resources.
它将为制定水资源的可持续发展目标和战略决策提供科学依据,为制定社会、经济可持续发展战略提供理论基础。基于以上考虑,论文主要从以下几方面对地下水资源可持续开发问题进行了比较深入的探讨:①全面回顾了&可持续发展&概念的由来与演变,对国内外&可持续发展&的研究现状进行了述评,并对&可持续发展&概念的科学内涵进行了深入探讨;②对涉及地下水资源的一些最基本的概念和命题进行了全面的回顾和评述,对目前仍然存在的一些错误观点和混乱认识提出了自己的见解;③全面阐述了地下水资源变值系统理论的内容和意义,并与传统的地下水资源计算评价方法进行了对比分析,结合实例具体说明了方法的应用;④深入分析了地下水资源预测预报工作的极端重要性和复杂性,对传统的地下水资源动态预测方法进行了全面的评述,指出了各类预测预报方法的特点及适用条件,对最近二十多年刚发展起来的小波分析技术的主要思想和方法及其应用范围,以及号称第五代计算机语言的MATLAB软件和附带的小波分析工具箱进行了介绍,并应用于地下水动态过程线的分析,采用时间序列中的B-J法,蒙特卡罗方法,与地下水资源变值系统理论相结合,探讨了地下水动态资料分析和地下水资源预测预报的新思路;⑤综合分析了现今各类地下水管理模型的特点及缺陷,将数学规划、数理统计、随机过程等与地下水变值系统理论相结合进行地表水地下水或多水源的联合优化调度,使模型更准确、更实用;⑥对保证地下水资源可持续开发的内部条件和外部条件进行了分析,内部条件主要是正确的资源观,科学的资源计算与评价方法,可靠的资源预测预报技术,可操作的资源管理措施,外部条件主要是高层发展思路、管理体制的变革、配套的政策法规、经济杠杆的调节、人文素质的提高、节水意识的增强及具体节水措施、人口增长的控制、水体污染的防治、生态的恢复和重建等;⑦从宇宙科学、地球系统科学及哲学的高度审视地下水资源的可持续开发;⑧指出了地下水资源可持续开发的进一步研究方向。
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This project focuses on the joint time frequency characteristics of different phenomena in different types of fire disaster, such as pool fires, boilover, smoke movement, and different classes of fire. The temperature, optical density, heat radiation, combustion noise, and velocity of thermal flow are analyzed by joint time frequency method.
本项目研究中针对各种火灾场景:如油池火焰在水雾、风作用下的变化、扬沸过程中诸参数的变化、烟气运动过程、各类火焰等进行了实验与分析,对实验中的温度、火焰消光度、热辐射、燃烧噪声、速度分布等参数进行了联合时频域的分析。
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In addition, the author also discuss the cesser clause, the exercising conditions of lien under voyage charterparties and the sub-earning clause under time charterparties in this dissertation, and during which the author explored more on the problem that "the relationship between the ownership of transported goods and the exercise of possessory lien", and put forward his own opinion.
在论文中作者还对租约中留置权的一些问题进行研究,如航次租船中的责任终止条款、留置权条款,定期租船中的转租收入等。尤其是对于&货物所有权和留置权行使之间的关系&进行了较为深入的探讨,并提出自己的拙见。
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Based on the dynamic equation, the transport and acceleration of out-flowing ionospheric ions in the magnetosphere are studied by means of finding the ion distribution function. They include two parts: the study of static ion distribution with analysis and numerical compute; the study of ion acceleration by induced electric feild in the period of dipolarization of taillike geomagnetic lines in the substorm expansion phase with the numerical simulation of the ion distribution function.
本文在磁层中上行离子的加速与传输理论研究领域中,采用动力论方程,用求解离子分布函数的方法来研究问题:(1)用解析求解和数值计算的方法,对上行离子在不同Kp指数条件下磁场位形中的定态分布进行了研究;(2)用数值模拟计算分布函数的方法,对上行离子在亚暴膨胀相磁场向偶极形驰豫过程中受磁尾的感应电场加速进行了研究。
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The first part is the introduction, which generally introduces the research purpose and significance of this thesis, the summary of the financial pre-warning researches both home and abroad, and the research main contexts and research methods; The second part is the comparison on the financial pre-warning methods existent, which compares the different methods by categories, makes a further analysis on the limits of existent methods, and proposes the improve thoughts of this research based on that; The third part is the basic theory, which makes a summary of the referent theories exerted on the research, and exposit the comparing mechanism of the grey prediction theory and the artificial neural network method concise; The fourth part is the frame work of the model, which illuminates the research designs step by step, such as the definition of the financial crisis, the method of sample select, the select and definition of the pre-warning variables, and makes an exposition of the establishment procedures of the whole models at last; The fifth part is the financial pre-warning based on the theory of grey prediction and artificial neural network, which mainly demonstrate the model establishment in the concrete, dividing into four part to carry out the part of pragmatic research integrally, building of indexes system, establishment of BP neural networks, dynamic financial pre-warning and test, analysis on the pre-warning result; The sixth part is conclusion, which sums up the main results of the whole research, clarifies the innovative points, and makes a discussion on the limits and future study directions of the research in this thesis.
其中,第一部分为导论,总括性概述本文的研究目的与意义,国内外研究综述,以及本文的研究内容和方法;第二部分为现有财务预警研究方法剖析,通过对现有预警方法进行分类比较,进一步分析现有预警方法的局限性,并在此基础上提出本文研究的改进思路;第三部分基本理论,对本文研究中运用的相关理论进行扼要概述,并简要阐述灰色预测理论与人工神经方法的融合机理;第四部分为模型研究框架,逐步阐释模型对财务困境的界定,样本数据的选取方法,预警变量的选取与定义等各个部分的研究设计,并对整体模型的构建步骤进行简要阐述;第五部分为基于灰色神经网络模型的财务预警,主要论述动态预警模型的具体实现过程,分模型指标体系的建立,BP神经网络的建立,动态财务预警与检验,以及预警结果分析四个部分全面阐述本文实证分析过程;第六部分为结论,总结本文研究得到的主要研究结论,以及本文研究中的创新之处,并对论文的不足与后续发展研究进行探讨。
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We select pharmacodynamics index, establish animal model, and carve availability group according to pharmacological experiments. And draw a conclusion that the 60%EtOH extr. is availability group. In this group, 15 compounds have been isolated, 13 are identified, 6 are the first isolation from Galium verum L., 2 are the compounds that no document reports. Most of the compounds are flavonoids, others are organic acid and anthraquinone.
本课题首先选取治疗下肢静脉炎相关的药效学指标,建立动物模型,在药理学实验的基础上,确立大孔树脂60%乙醇洗脱部位为有效部位,继而对该部位进行进一步的化学研究,分离出单体化合物15个,鉴定结构13个,其中有6个是从蓬子菜中首次分离得到,有2个化合物是国内外文献中未见报道的化合物,结构鉴定工作正在进行中。
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In view of different volatile substance in beer, PEG column and FID (hydrogen flame ionization detector) were selected in the measurement. Besides, quantitation analysis of involatile compositions in beer could be done by internal standard method or by external standard method.
针对啤酒酒中不同的挥发性物质可选择PEG柱和氢火焰离子化检测器法进行检测;还可用内标法和外标法对啤酒中的不挥发组分进行定量检测分析。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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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。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。