好研究的

A theoretical model is built to investigate the simulation of the infrared characteristic of the metal structure with the PCM false target.Structure parameters of the PCM false target that suit for the simulation are investigated numerically.According to the results,further request on the improvement of the thermal conductivity of PCM is presented.An experimental platform is built and the numerical model is validated experimentally.Three key thermal characteristic components of the false tank(barbette,wheel and front armor plate) are manufactured and tested,and good results are obtained.A method for the thermal conductivity enhancing of PCM by using aluminum fins is studied,the influence of the structure parameters of PCM plates to the simulation effects are investigated numerically,and the reasonable configuration parameters of the PCM plates used to simulate the steel plates of different thickness are obtained.In the study of the application of heat convection method in IR false target,a passive infrared simulation system is designed to simulate the infrared characteristic of metal constructions.The system is made up of pipe-plate,pump,receiver,and working fluid.

在相变材料应用于红外示假的研究中，通过数值模拟，研究确定了适用于制作假目标的相变材料各物性参数的范围，分析了相变材料制作假目标的可行性，并根据所得结果，选取石蜡为研究对象，建立了相变材料模拟金属构件红外特征的理论模型，研究了适用于模拟各金属构件红外特征的相变材料假目标的相关结构参数，得出了相变材料假目标模拟各金属构件红外特征的理论结果，并对相变材料的导热系数这一物性提出了进一步的改进要求；搭建了假目标实验平台，验证了所建理论模型的准确性；以坦克假目标为研究对象，制作了炮塔、负重轮和前上装甲板三个坦克假目标的关键红外热特征部件，并进行了野外实验，取得了较好的结果；以添加铝肋片作为改进相变材料导热能力的手段，理论研究了此类导热增强型相变材料的相关结构参数对模拟效果的影响，得出了模拟不同厚度钢板红外特征的导热增强型相变材料的结构参数及模拟效果。

The study indicates that the optimum windows width decides the layering precision, interface partition with sym6 wavelet is better than with db4, canonical wavelet decomposition of conventional logging curves can well meet the demand of coenocorrelation.

研究表明，选择恰当窗宽小波决定测井曲线小波分层精度、测井数据sym6小波分解的小层界面划分效果要稍好于db4小波、常规测井曲线正则性小波分解可以很好地满足高分辨率层序地层划分要求。

Simple sequence repeats molecular markers are useful for a variety of applications in plant genetics and breeding because of their reproducibility, multiallelic nature, codominant inheritance, relative abundance and good genome coverage.

简单重复序列(simple sequence repeat， SSR)分子标记因其具有稳定性好、多等位基因、共显性遗传、数量丰富、基因组覆盖性好等优点，现已广泛应用于多种植物的遗传育种研究中。

The primary work of this paper includes: 1 The general process and the fundamental theory of genetic algorithm is introduced systematically, which is also be applied to an example; 2 The penalty function method and the constraint tournament method are introduced in the paper, which are used to process the constraint limit. Via analyzing the basic principle of NSGA-II ,which is elaborated in the paper, the fast non- dominated sorting method, congestion distance and its comparison operator, the elite strategy and the main process of NSGA-II is researched particularly. 3 Via modeling the fire distribution problem, the model is computed by the algorithm of NSGA-II, which is combined with both the penalty function method and the restraint league tournament method The optimization of two goals are also realized in the paper. The results derived from the VC++6.0 indicate that, two algorithms both have the high convergence, simultaneously the Pareto optimal solution also maintain the variety of distribution.

本文所作的主要工作如下：系统地介绍了遗传算法的一般流程和基本理论，并应用于一个函数优化的实例；研究了用于处理约束限制的罚函数法和约束联赛法，论述了NSGA-II的基本原理，并对其提出的快速非支配排序法、拥挤度及其比较算子、精英策略及NSGA-II的主要流程作了详细的研究；建立了火力分配问题的模型，并将NSGA-II算法分别与罚函数法和约束联赛法相结合对该模型进行了计算，实现了对两个目标的最优化；用VC++6.0编程计算后所得的结果表明，两种算法均具有很好的收敛性，同时Pareto最优解也保持了好的多样性分布。

This dissertation adopts an approach of positivism and integrates the synchronic and diachronic, the phonetics and phonology as well as qualitative and quantitative so as to observe, analyze and describe the diphthong in a vision of historical typology.

本文立足于共时和历时相结合，宏观和微观相结合，语音学和音系学相结合，定性研究和定量研究相结合的研究方法，寄希望于在未来的时间里采用更好的方法来解决研究中发现的某些问题。

The purity of SAM product was higher than 95％, and the overall recovery of SAM sulfate and SAM double salt of sulfate and p-tosylate were 60％ and 50％, respectively.

通过筛选，获得了对SAM有较好选择性离子交换能力、较易洗脱和再生的争光D113弱酸型阳离子树脂，研究了温度、pH等对SAM离子交换的影响，根据SAM在弱酸阳离子树脂D113上的等温交换平衡行为表现出较强的可逆性，考虑到交换基的弱电解质性质以及结合Donan膜平衡理论，建立了考虑pH影响的可逆离子交换平衡模型，该模型可以较好地描述SAM平衡浓度、pH对离子交换平衡的影响；通过对动态离子交换过程的研究，得到了SAM在D113树脂内的有效扩散系数的数量级为1.0E-9cm〓/s～1.0E-8cm〓/s。

In summary, this thesis tries to apply HNC theory to the study of Chinese attributive-centred structure and the practical linguistic problem, leading the new HNC to the field of language study, aiming to initiate that language study must more consciously serve language comprehension so as to develop its duely significant rule in the applying study of language and characters.

总之，本文试图通过运用HNC理论研究"汉语定中结构"这一实际的语言问题，将HNC这一全新的理论引入语言研究领域，这样做旨在倡导语言研究要更自觉地服务于语言理解，以便更好的发挥出它在语言文字应用研究中应有的重要作用。

If the quality of the land is not very good, studies have shown that one kind of tree that can grow well is the white pine, another is the loblolly pine.

研究表明，如果土地质量不是很好，有一种树可以生长的很好，那就是枞，另一个为火炬松。

If the quality of the land is not very good, studies have shown that one kind of the tree that can grow well is the ? white pine. Another is the loblaly pine,windbreaks loblolly pine.

假如土壤的质量不够好，研究显示有一种树木可以在这种环境下长得很好，那就是白松，另一个就是火炬松。

In addition, two water-solublephosphonic acid derivatives of C〓 and two diadducts of phosphonate derivative of C〓were also prepared. All the four compounds can be dissolved in DMSO, which is asolvent easy to be soluble in water. Their DMSO aqueous solution could haveprospective applications in the field of biomedicine.

研究了富勒烯膦酸酯衍生物的水解反应，首次合成了两个水溶性富勒烯膦酸衍生物，另外还合成了两个二加成的富勒烯膦酸酯衍生物，这四个衍生物均能很好地溶解在和水互溶的DMSO中，它们的DMSO水溶液可能在生物医学研究中可能会有很好的应用价值。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。