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Meanwhile, it could be seen that there does not exist a confidence interval with width less than 0.5 because of the property of Poisson distribution. Based on these conditions, the author mainly carried out research into two aspects of this problem as follows. Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example,"exact" confidence interval, Wald confidence interval and Bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed .Also, several better confidence intervals such asare also presented .Secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two-stage interval estimate procedures. At the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. The numerical computation shows that the method considered in this dissertation have good properties and applied value.
同时,由于Poisson分布的特性,我们知道不存在其参数区间长度小于0.5的置信区间,基于这些情况,我们主要展开了以下两个方面的研究:一是利用数值计算分析与理论分析的方法对现有的若干置信区间如"精确"置信区间,Wald置信区间,Bayes置信区间等进行分析比较,发现了一些缺陷,针对这些缺陷,我们进行适当的修正,并得到几种性质较好的置信区间如:修正大样本区间Jeffreys原则下置信区间二是针对已给定的置信系数与区间长度,我们提出了一种渐近的两阶段区间估计程序,并利用数值计算的方法,在各种置信系数与区间长度限定下,算出了最优的第一阶段观测次数,大量数据表明,本文考虑的方法性态良好,具有应用价值。
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In these portion,the article begins the study of tone sandhi from the point view of two-character phrases and three-character phrases,which is also the focus and difficult point as well.On the basis of substantial materials of Dingzhou dialect,the author elaborates its rules and principles of tone sandhi of the general phrases and those with light tones,and reiterative location.the author puts his views as follows: 1.The rules of tone sandhi of two- character phrase are simple and unitive. 2.The complex of the phrase with light tones lies in the combination of the first tone and light tone.In the case,there are two different pronunciations in Dingzhou dialect.The author guesses it is the coexist of ancient pronunciations and common spoken Chinese. 3.The tone sandhi of general three-character phrases on the basis of the rules of that of two- character phrases,using the grammar structure of the three-character phrases as the restricted conduction,which function jointly. 4.The rules of tone sandhi of three- character phrases with light tones are restricted only by that of the two- character phrases with light tones and thus are foreign to grammar structure. 5.The tone sandhi of the words with reiterative location has their own system.
这两章中,作者采用直接调查法,社会语言学方法分别从一般字组、含轻声字组和叠音词字组三个方面对定州方言连读变调进行详尽地描写,文章中既有对连读变调的共时性描写,也有对连读变调历时性推测,总的来讲笔者认为定州方言变调具有一定的系统性,主要表现在以下几个方面:两字组连读变调规律简单统一,含轻声字两字组内部规律较为复杂,但是具有很强的一致性;定州方言含轻声两字组变调的复杂性主要表现在阴平+轻声的组合中,在这种情况下,定州方言有两种读音方式,推测它是语音存古现象和普通话语音并存的结果;一般三字组连读变调以两字组连读变调规律为基础,以三字组的语法结构为制约条件,二者共同发生作用;轻声三字组变调规律只受轻声两字组变调规律的制约,与语法结构无关;叠音词的变调规律自成系统。
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In this dissertation,Von Numann and Morgenstern Axioms are analyzedagain at first.It is pointed out not only that preference relations are often latticeordered,but also that the transitivity axiom,along with the independence axiomand the continuity axiom is still rational to a high degree,then a new set ofaxioms for lattice-order decision-making behavior is established.At last,relatedsubjects based on lattice in preference theory,utility theory,decision-makingmethods,multiattribute decision-making,and group decision-making are studied.In this way,the lattice-order decision-making theory is framed.Main creativeresults are obtained as follows
本论文重新审视了Von Neumann-Morgenstern理性行为公理体系,对以前学者较少涉及到的连通性公理提出了质疑,指出偏好关系具有格特征,而传递性公理、独立性公理以及连续性公理在很大程度上仍具有合理性,进而创建了格序决策行为公理体系,研究了基于格的偏好理论、效用理论、决策方法、多目标决策以及群决策中的相关问题,初步构建了格序决策理论框架,主要研究成果如下
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It was proved that the application of 300KA electrolysis cell program can largely improve several aspects of index in the course of operation, which can be described as follows: 1. The cell situation is stable and easy to operate, it can cut down cells opening to exchange two anodes every time, which makes cells more closely.
事实证明,采用300KA级电解槽方案的各项指标有较大幅度的提高,主要表现在以下几个方面:1 槽况稳定,易于操作,采用每次换两块阳极的方法,减少了开槽次数,使电解槽密闭性能好,集气效率有较大提高。
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The rheological characteristics of sol solution have been studied. It turns out that the relation of viscosity with temperature can be expressed by the relation μ=μ〓exp , and that the solution's rheological characteristics during the sol—gel transiton are as follows: at first the dilatant fluid changes to Newton fluid, then to pseudoplastic, and finally to gel.
本文对溶胶溶液流变特性进行了研究,结果表明:温度对粘度的影响可用Arrhenius方程来表示;随放置时间的增加,溶液由膨胀型流体向牛顿型流体转变,再向假塑性流体转变,最后成为凝胶。
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The characteristics of the MHD structure observed in the soft x-ray tomography are as follows. It is constructed with m=2 mode oscillation, so that the magnetic surface is made up of two islands. The structure of the magnetic surface is relatively stable. It rotates in the direction of the electron dia-magnetic drift, and the rotation frequency is the half of the oscillation frequency of soft x-ray signals.
通过SX反演图象分析,MHD型磁面结构的特点:一是m=2模的振荡构成,因而此磁面始终有两个岛组成;二是磁面结构相当稳定,在MHD放电过程中没有明显变化;三是磁面结构整体沿电子逆磁方向极向旋转,旋转的频率是软X射线测量的信号频率的一半。
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Will talk again about arriving other forum sends the wants an attention place of post, if your website is to do about product side, that follows the website related you to release, should notice to had better be in signature part to write here on the address of oneself station or it is OK to oneself join oneself join takes when answering others question, and the elephantine ad that does not write is OK!
再来谈谈关于到其他论坛发帖的要注意的地方,假如你的网站是做关于产品方面的,那就去跟你相关的网站去发布,这里要注意一点最好在签名处写上自己的站的地址或在回答别人问题的时候把自己的连接带上就可以,而且不要写的象广告就可以了!
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On the basis of the kinetic equation of substrate reaction in the presence of urea or guanidine hydrochloride, all microscopic kinetic constants for the free enzyme and enzyme-substrate binary and ternary complexes have been determined. The results of the present studies indicate that:①In the presence of urea or guanidine hydrochloride, enzyme-substrate complexes lose their activity less rapidly than the free enzyme. Therefore, both substrates, NADPH and 7, 8-dihydrofolate, protect dihydrofolate reductase against inactivation.②The denaturation of dihydrofolate reductase by urea follows single-phase kinetics, and changes in enzyme activity and tertiary structure proceed simultaneously in the unfolding process, so it may be an"all or none"process.③The GdnHCl-induced unfolding of the dihydrofolate shows a biphasic transition, while the change in the enzyme activity is a single exponential process. The rate constant of inactivation is consistent with that of the fast conformational change. Therefore, the kinetic intermediate of protein unfolding should be a partially folded and inactive form.
我们根据在脲或盐酸胍存在下的底物反应动力学方程求得游离酶和酶底物二元、三元复合物的微观动力学常数,结果表明:①酶-底物二元、三元复合物的失活速度明显慢于游离酶,说明两个底物二氢叶酸和NADPH对酶的失活都具有一定程度的保护作用;②在脲作用下,酶的失活和构象变化均为单指数项过程,而且酶的活力丧失和三级结构变化是同时发生的,说明二氢叶酸还原酶的脲变性可能是一个"全或无"的两态过程;③在盐酸胍作用下,酶的构象变化为两相过程,而失活则是单指数项过程,酶分子构象变化的快相速度常数与失活速度常数基本一致,因此我们认为二氢叶酸还原酶的盐酸胍变性过程中存在一个没有活力、但仍具备一定空间结构的变性中间体。
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This dissertation investigates the construction of pseudo-random sequences (pseudo-random numbers) from elliptic curves and mainly analyzes their cryptographic properties by using exponential sums over rational points along elliptic curves. The main results are as follows:(1) The uniform distribution of the elliptic curve linear congruential generator is discussed and the lower bound of its nonlinear complexity is given.(2) Two large families of binary sequences are constructed from elliptic curves. The well distribution measure and the correlation measure of order k of the resulting sequences are studied. The results indicate that they are "good" binary sequences which give a positive answer to a conjecture proposed by Goubin et al.(3) A kind of binary sequences from an elliptic curve and its twisted curves over a prime field F_p. The length of the sequences is 4p. The "1" and "0" occur almost the same times. The linear complexity is at least one-fourth the period.(4) The exponential sums over rational points along elliptic curves over ring Z_ are estimated and are used to estimate the well distribution measure and the correlation measure of order k of a family of binary sequences from elliptic curves over ring Z_.(5) The correlation of the elliptic curve power number generator is given. It is proved that the sequences produced by the elliptic curve quadratic generator are asymptotically uniformly distributed.(6) The uniform distribution of the elliptic curve subset sum generator is considered.(7) We apply the linear feedback shift register over elliptic curves to produce sequences with long periods. The distribution and the linear complexity of the resulting sequences are also considered.
本文研究利用椭圆曲线构造的伪随机序列,主要利用有限域上椭圆曲线有理点群的指数和估计讨论椭圆曲线序列的密码性质——分布、相关性、线性复杂度等,得到如下主要结果:(1)系统讨论椭圆曲线-线性同余序列的一致分布性质,即该类序列是渐近一致分布的,并给出了它的非线性复杂度下界;(2)讨论两类由椭圆曲线构造的二元序列的"良性"分布与高阶相关性(correlation of order κ),这两类序列具有"优"的密码性质,也正面回答了Goubin等提出的公开问题;(3)利用椭圆曲线及其挠曲线构造一类二元序列,其周期为4p(其中椭圆曲线定义在有限域F_p上),0-1分布基本平衡,线性复杂度至少为周期的四分之一;(4)讨论了剩余类环Z_上的椭圆曲线的有理点的分布估计,并用于分析一类由剩余类环Z_上椭圆曲线构造的二元序列的伪随机性;(5)讨论椭圆曲线-幂生成器序列的相关性及椭圆曲线-二次生成器序列的一致分布;(6)讨论椭圆曲线-子集和序列的一致分布;(7)讨论椭圆曲线上的线性反馈移位寄存器序列的分布,线性复杂度等性质。
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Aged exceed a gram to quietly lie in snow ground, the brush-off follows the footstep that the crew member look for food, the decade much gets along with the mankind's morning and night, but now be solitary in boundless white snow of leave, it didn't flounce a rope, probably is the last memory which cherishes mankind to bring it.
年老的迈克静静的躺在雪地中,拒绝追随伙伴们觅食的脚步,十年多与人类的朝夕相处,如今却是在茫茫白雪中孤单的离去,它没有挣脱绳索,或许是珍惜人类带给它的最后一份记忆吧。
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For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether
年美国个人破产法的一个改动使得破产登记急速下降,而后引起了信用卡大规模的亏损。
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Eph. 4:23 And that you be renewed in the spirit of your mind
弗四23 而在你们心思的灵里得以更新
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Lao Qiu is the Chairman of China Qiuyang Translation Group and the head master of the Confucius School. He has committed himself to the research and promotion of the classics of China.
老秋先生为中国秋阳翻译集团的董事长和孔子商学院的院长,致力于国学的研究和推广。