研究

In this dissertation, the author have expounded the historical background of CFCs problems, reviewed the development of equation of state and carried out the following research works.

本文根据当前国内外CFCs替代工质性质研究的紧迫性，以及状态方程在其热物性推算中的重要性，在综述了状态方程的研究历史与现状的基础上，针对状态方程在混合工质研究中存在的问题开展了以下几方面的研究工作。

Based on the research results of Chaos theory, in this dissertation, it has made detailed analysis of the chaotic signal generator. Firstly, the characteristic and various detection methods of chaotic signal are recommended. Secondly, with the aid of software, such as MATLAB, PSPICE, EWB, etc, discussion of the process of generating chaotic signal proceeds. Through simulation, the output result of several kinds of chaotic circuit are analyzed and compared. Thirdly, aiming at Chuas chaotic circuit, through debugging, the impacts by components and parts in the circuit, such as operation amplifier, capacity, inductor, etc, has been further investigated. And then provides a new scheme to implement Lorenz chaotic system, the circuit design and analysis are presented in detail and it can be realized by the hardware of programmable arrays FPGA, the experimental results indicate that this scheme has the advantages of easy operation, flexible design and high efficiency. An application example in secure communications is also provided. Finally, through picking up the characteristic parameter-Lyapunov exponent of the Chaos we can analyze the performance of different chaotic signal generators.

本文在混沌理论研究成果的基础上，对混沌信号的产生做了详细的分析，涵盖以下内容：首先介绍了混沌的定义，混沌信号的基本特性和各种判别方法，特别是对简单的一维Logistic映射的硬件实现问题做了初步探索；其次对混沌信号的产生方法进行讨论，借助于MATLAB、PSPICE、EWB等仿真软件，对几种混沌电路输出的混沌信号进行了分析比较，并在此基础上针对典型三阶连续自治系统Chua's电路作进一步实验研究，通过混沌电路调试，深入研究电路中各元器件，特别是运算放大器、电容、电感等对混沌信号时域以及频谱的影响；再次研究连续混沌系统的数字化硬件产生，设计了Lorenz混沌电路在现场可编程门阵列FPGA上实现的新方案，在保密通信中的应用实验结果表明该方案具有操作简单、设计灵活、效率高等优点；最后针对不同混沌系统，采取不同算法，提取混沌特性参数Lyapunov指数，进而对不同的混沌信号发生器的性能进行了分析。

The drying process of chrome liquor was studied. The structure and property of chrome complex reducing by alcohol were analysed and tokened by many present well-rounded separation and analysis methods such as IR, UV-Vis Spectrum, IEC and pH potentiometry. Application tests of chrome tanning agents were conducted and tanning methods of tanning at high pH were studied. A systematic study was conducted on high alkalinity chrome tanning agents application in leather making process and possibility of clean chrome tanning was discussed.

本文系统地研究了多种小分子醇与重铬酸盐之间的氧化-还原反应，对反应过程进行了认真的剖析；对铬鞣液的干燥过程进行了研究；用红外光谱法、紫外及可见分光光度法、离子色谱法以及pH电位滴定法等多种比较成熟的现代分离分析方法相结合，对醇还原铬配合物的结构与性能进行了分析与表征；对铬鞣剂的鞣革性能进行了应用实验，研究了醇铬鞣剂在高pH值下的鞣制方法，并就高碱度铬鞣剂在制革过程中的应用进行了系统研究，探讨了用其实施清洁化铬鞣的可能性。

The drying process of chrome liquor was studied. The structure andproperty of chrome complex reducing by alcohol were analysed and tokened by manypresent well-rounded separation and analysis methods such as IR, UV-Vis Spectrum,IEC and pH potentiometry. Application tests of chrome tanning agents wereconducted and tanning methods of tanning at high pH were studied. A systematic studywas conducted on high alkalinity chrome tanning agents application in leather makingprocess and possibility of clean chrome tanning was discussed.

本文系统地研究了多种小分子醇与重铬酸盐之间的氧化-还原反应，对反应过程进行了认真的剖析；对铬鞣液的干燥过程进行了研究；用红外光谱法、紫外及可见分光光度法、离子色谱法以及pH电位滴定法等多种比较成熟的现代分离分析方法相结合，对醇还原铬配合物的结构与性能进行了分析与表征；对铬鞣剂的鞣革性能进行了应用实验，研究了醇铬鞣剂在高pH值下的鞣制方法，并就高碱度铬鞣剂在制革过程中的应用进行了系统研究，探讨了用其实施清洁化铬鞣的可能性。

Basing on introducing biological rhythms, especially the space biological rhythms, the paper gives an idea to develop the space chronobiology according to the needs of manned space flight in the future, and discusses the research direction and the contents, thus laying a foundation for developing the subject of space chronobiology and its system.

本文介绍了国内外生物节律，特别是航天飞行生物节律的研究进展，在此基础上，根据人类未来载人航天发展的需要，提出了开展空间时间生物学研究的问题；同时对空间时间生物学的基本概念、主要研究内容和基本模型进行了描述。根据空间时间生物学的基本模型，提出了今后重点研究的方向和内容，从而为空间时间生物学学科及体系的发展奠定基础。

Main research contents as follows: The first part: Expounding the important significances and background of the study; summarizing the related research on this aspect; making clear research contents, methods and technical route; introducing the theoretical foundation as well as correlation concepts.

主要研究内容如下：第一部分：阐明本文选题的背景及意义，对文献综述进行评述，说明本文的研究内容、研究方法和技术路线，阐述本文研究的理论基础以及相关概念的界定。

After analyzing the basic information of the ecological engineering construction, the spatial and temporal scale, and monitoring index, the 1m IKONOS image and 2.5m SPOT5 image were introdueced as data sources, the methodology of RPC modeling and GCP optimitiaztion as modification to the interpretation, the AHP used in determining combination of multi-light specrum and the whole band wave, the virtue reality technique monitoring the classification and recognation, variable cluster allocation coeffiecents and its adaptation in spatial and imaged attributs in the research on water and siol conservation subtracting the least pathches of the area. The final stage is to subtract the information via human and computer interactive to interpret and monitor the classification in the study assisted with GPS, field identification and construction supervision.

在对研究样区水土保持生态建设情况和监测尺度及监测指标分析的基础上，选择1m分辨率的IKONOS影像和2.5m分辨率的SPOT5影像为监测遥感数据源；采用"RPC模型+GCP优化"方法进行高分辨率遥感影像正射纠正；用主成分分析法进行遥感影像全色波段与多光谱图像融合；用虚拟现实技术进行高分辨率遥感影像监督分类模板定义研究，用不同大不的聚类处理参数并在研究水土保持生态建设措施的空间特征和影像特征的基础上，确定提取水土保持生态建设信息的最小图斑参数值；最后用全数字人机交互解译和监督分类提取研究样区水土保持生态建设信息，并结合GPS现场验证和工程监理成果对监测结果进行分析评价。

Before the research, we carried out the project of"CoEditor: A Cooperative Editing System", for the contrast between CoEditor and Editor is easy to do and can be used to explain the differences between human-human interaction and human-computer interaction clearly.

在研究模型之前，我们首先进行了"协同编辑系统CoEditor"项目的研究，因CoEditor和一般编辑软件很容易对比，能较好地解释人-人交互与人-机交互之间的差异；"八六三"子项目"支持并行工程的计算机会议系统"的研究，更深化了我们对人-人交互界面的认识；这些项目的研发工作，为我们开展界面模型的研究奠定了基础。

Almost all anthropology schools have their own unique understanding and cognitional angle to the witchcraft, so the development of anthropology research can be reflected in the witchcraft study.

巫术研究一直是人类学研究中的一个重要领域，几乎所有的人类学流派都对巫术有着独特的理解和认知角度，人类学研究的发展自然也会在巫术研究中有所反映。

However, in this paper MesoDyn simulation is used to study interactions between polysaccharide and surfactant. A new and simple approach for studying such a system is found. This study enlarges the application of MesoDyn method in colloid chemistry and provides a new idea for investigating interactions between other type of polymer and surfactant.2. The second novelty of this dissertation is mesoscopic simulation and experiments are combined to study physicochemical properties of system.

文献报道的MesoDyn模拟主要用来研究嵌段共聚物或两种聚合物混合体系的性质，而本文首次利用MesoDyn模拟方法研究了聚合物和表面活性剂之间的相互作用，建立了研究这一体系的简易而有效的新途径，从而大大增强了MesoDyn方法在胶体化学中应用的可行性；同时，有助于人们进一步了解MesoDyn方法，并为用其研究其它类型的聚合物与表面活性剂之间的相互作用提供了良好的思路。2。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。