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The traditional distinction based on the matrix attribute reduction algorithm analysis, for distinction in the matrix "repeat" Too many elements, these "duplicate" elements not only in solving attribute reduction in the process does not work, But also reduce the time efficiency by improving the shortcomings that distinction in the matrix structure in the process of using Proposition calculus in the absorption of the law removed the distinction between the functions of the non-functional "repeat"element, a property Reduction of improved algorithm RADM, improve the efficiency of the attribute reduction.
通过对传统的基于区分矩阵的属性约简算法进行分析后,针对区分矩阵中"重复"元素过多,同时这些"重复"元素非但在求解属性约简的过程中不起作用,而且还降低时间效率这一缺点进行了改进,即在构造区分矩阵的过程中,利用命题演算中的吸收律去掉了在区分函数中不起作用的"重复"元素,提出了一种属性约简的改进算法RADM,提高了属性约简效率。
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Up to now, the performance index is almost described as an algebraic function of manipulating variables, it implies the response of performance index to the manipulating variables is instantaneous or the system is in steady state, and the effects of disturbances on the objective function are not taken into consideration.
在以往的工作中,大都把过程的调优变量与目标函数之间的关系用代数方程描述,这意味着目标函数对调优变量的响应是瞬时的,或假定过程处于静态,而且一般也不考虑过程中其它干扰对目标函数的影响,即在算法结构中,调优变量与目标函数构成唯一的因果关系。
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To increase the infusion efficiency, the coal surface wetness course has been analyzed with the interface chemistry theory, which involves the course of bedew, soakage and .
分析了煤层注水过程中水在煤体中的运动动力和过程,用界面化学理论分析了煤体表面的润湿过程,得出了煤体能够自行润湿的条件,即润湿过程的润湿功必须为正,同时得出了各种润湿过程的判断依据。
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The conclusions are as follows:(1) Neologisms in each Huayu region can be classified into two major categories:self-originated and others-originated,among which the new-born words are "absolute new words" and the inherited word are "relative new words",and there are also others-originated elements in the morphemic and sense systems of new words;(2) Variation can be seen in the morpheme,formation,building and sense of new words in Huayu regions,besides individuals of new words;(3) Aggregation of current new words and compound words with one common morpheme and a same construction,together with the aggregation of synonyms and that of different senses in polysemies,reflect the relevance of the systems of new words in Huayu regions in their variation;(4) Regular participation of hinting sense of a formation element in forming and building new words is an important way of producing new sense of morpheme,and an important reason for the current emergence of words with more than one new senses;(5) Compared with ordinary words,the productivity of ways of word formation in forming new words both in general and of a particular class will change and new ways of word formation appear in Huayu regions;(6) The semantic collocation of the verbal morpheme of new verbs in a phrase has a great influence on the location of its structural center,and the complex syntactic behaviors of new verbs are related to the different processes of argument integration;(7) The processes of building new words with the same meaning differ in levels of approaches to motivation cognition,perspectives of motivation cognition,morpheme motivation and morpheme expression,etc.;(8) The lexical interaction in Huayu regions results in lexical subsystem intersections of current new words across two,three and four regions.
本文的主要结论是:(1)各华语区新词均可分为&自源新词&和&他源新词&两大类,其中的新生词和传承词分属&绝对新词&和&相对新词&,新词语的词素、词义系统中也含有他源成分;(2)除词语个体外,华语区新词在词素、构词、造词、词义等方面均体现了某种程度的变异:(3)通用词语聚合、同素同构词聚合、同义异形词聚合与一词多义聚合集中反映了各华语区新词语系统在变异中的关联;(4)构词单位经常提示词义参与构造新词是产生新语素义的重要途径,也是当代多新义词现象的重要成因;(5)相对于一般词语,构词方式在新词语中的总能产性和在某一词类中所体现的能产性都有所变化,华语区也产生了新的构词方式;(6)新动词的动素在短语中的语义搭配对结构核心的位置有很大影响,新动词的复杂句法表现与不同的论元整合过程有关;(7)同义新词造词过程的差异包括理据认知途径、理据认知角度、词素理据和词素表达等不同层面;(8)华语区的词汇互动形成了双区、三区和四区通用新词等词汇子系统交集,作为华语核心,普通话所含纳的通用词语多于各区域变体。
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In this study, the genomic structure and regulatory elements of ApoD from 10 representive species including protozoan, invertebrate, protochordate and vertebrate were analyzed and compared. The genomic structure of ApoD is less conserved in organisms from protostome to deuterostome invertebrates, while it is highly conserved among chordates including amphioxus and verebrates. All four conserved cysteine residues are present in amino acid sequence of deuterostome ApoDs, while there are only two cysteine residues in amino acid sequence of protostomes ApoD. Structure divergence between protostome and deuterostome ApoD proteins suggests their function difference. The majority of regulatory elements are present in nearly all organism ApoD genes ranging from unicellular protozoan to mammals, suggesting that ApoD plays a very fundamental role, and possesses a conserved regulatory mechanism. However, there also exist some specific regulatory elements, which are present only in certain species and may perform some special roles.ApoD mRNA expression in murine NIH/3T3 fibroblasts exposed to various stresses such as as hydrogen peroxide and UV light shows dose-dependent increase. And a fly homolog of ApoD, Glial Lazarillo, whose overexpression results in increased resistance to hyperoxia as well as a extension of lifespan under normoxia and resistance to starvation without altering lipid or protein content.
本文首先从生物信息学角度对分属于原生动物、无脊椎动物、头索动物和脊椎动物类群的10种动物ApoD的基因结构及调控区的调控元件进行分析及比较,发现:(1)ApoD基因外显子-内含子结构从原生动物草履虫到原口动物再到后口动物海胆的进化过程中不保守,但在分析的几种脊椎动物中相当保守;(2)文昌鱼ApoD基因扮演从无脊椎动物到脊椎动物承上启下的角色,可能代表了脊椎动物ApoD基因原型;(3)四个半胱氨酸保守位点在后口动物中都存在,而在原口动物中只存在两个,原口、后口动物ApoD蛋白一级结构上的差异反映蛋白功能上可能也存在一定差别;(4)调控区大多数主要调控元件为不同动物共有,说明ApoD主要功能及其表达调控在进化中相当保守;(5)ApoD基因个别调控元件是随着物种进化而出现并开始发挥相关作用,如SF-1;还有一些调控元件在进化过程中还没有发现其规律,这说明ApoD某些功能和基因表达调控模式可能因物种不同而存在一定的差异。
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Staying in sludge with steady organic binding specie and residue specie in sludge, element Cu has such a good stability that it is difficult to be released into environment.
发现Zn元素在几种污泥中的不稳定形态均较高,在污泥农林利用过程中容易被植物吸收利用;Cu元素主要以稳定的有机结合态和残渣态存在于各种污泥中,稳定性较好,在污泥农用过程中不易释放到环境中;Ni元素在几种污泥样品中,稳定态与不稳定形态的比例较为相近。
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Judging from my experience as a labor dispute judge and my interest in the labor relations field over the years, the parties to labor disputes tend to make some concessions with a view to reaching a conciliated agreement in the course of arbitration and litigation, or seek a mediated solution before the case is brought to court.
依笔者多年劳动争议审判的经验以及对劳动关系领域的长期关注之心得,劳动关系当事人双方在调解过程中通常会作出一些让步,以期达成调解,这种让步不仅仅表现在劳动争议仲裁、诉讼过程中,也同样会表现在诉诸法律之前的调解过程中。
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The results show that increase of the pre-expansion pressure, decrease of the pre-expansion temperature and the nozzle diameter result in increase of supersaturation and nucleation of the supercritical solution and decrease of the particle size. The supersaturation in the course of RESS can reach 10〓 and nucleation rate is about 10〓 particles m〓s〓.
计算结果表明,预膨胀压力增加,超临界溶液在快速膨胀过程中过饱和度提高;预膨胀温度提高,超临界溶液在膨胀过程中的过饱和度和成核速率降低;喷嘴的直径减小,流体密度降在膨胀过程中增大,从而导致溶液的过饱和度和成核速率提高。
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There are some questions such as forest fire model selection, forest fire model updating, verifying simulation accuracy and so on in traditional forest fire spreading system. Study purpose is to build an innovative forest fire spreading simulation system based on DDDAS in this paper. The system can increase precision of forest fire spreading simulation by model base, model selection, model updating and so on. It can provide a strategic decision for forest fire save and new technologies demonstration for other related field of research. The research encompasses several major topics:(1) This paper brings up the term of dynamic data driven forest fire spreading simulation system and supplies new research approach and thought for forest fire spreading simulation study. The system framework was brought.
本研究针对传统林火模拟过程中存在的模型手动选择难度大、模型修正数据获取效率低、模拟精度验证困难等问题,以DDDAS为林火蔓延模拟研究的技术范式,提出林火蔓延模拟全新的技术框架体系,解决模拟系统建设过程中的模型库建设与管理、模型适宜性选择、模型自适应修正、模拟过程实时验证等关键技术,建立林火扩散模拟和实际林火发展之间相互协作、共生的林火扩散动态模拟系统;提高林火蔓延模拟精度,将林火蔓延模拟真正应用到林火扑救指挥过程当中,在实践上为林火扑救指挥提供决策支持,在理论上为相关领域的空间扩散模拟研究提供新的思路和技术范式。
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The process of sand absorption is:(1) the vibration head vibrates and losses the sand layer, and supply high pressure air into the sand absorption head;(2) the high pressure air generates negative pressure in the sand absorption pipe when it is discharged out from the sand absorption;(3) the sand absorption head and the vibration are shifted downwards and maintains the water flow straightly.
取砂土的过程为:(1)振动头振动松散砂土层,同时向吸砂头供入高压空气;(2)高压空气通过吸砂头从排砂管向上排出的过程中,在吸砂管内产生负压,吸砂管将管口处的水和砂土吸入到吸砂头内,在高压气流作用下,吸砂头内的砂、水和气混合而成的三相流通过排砂管排出到受砂船上;(3)在吸砂的过程中,适时地将吸砂头和振动头下移并保持钻孔套管中的水流畅通。
- 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。