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According to the studied results at present, the studied objects are mainly thin plate and beam about sound radiation mode, a method computed sound radiation mode of complex structure is presented in this dissertation, according to the results of the previous two chapter, a theoretical method to solve acoustical radiation mode and acoustical radiation efficiency of complex structure by boundary element method and acoustical radiation theory is posed, the acoustical radiation power is expressed as a Hermitian quadratic form, while the radiation modes is determined by general eigenvalue decomposing, and then the radiation efficiency is computed via the orthodoxy of radiation modes with regard to impedance matrix and average velocity matrix; lastly, the validity of the method is proved by pulsating sphere and radiating cube with analytical results. According to results of the form three chapter, the structure sound radiation sensitivity is studied in detail, the sound radiation power of structure can be expressed as positive Hermitian quadratic form, the sound radiation sensitivity can be expressed as two parts by partial differential with respect to design variable, which are sensitivity of boundary velocity and impedance matrix, combined with the theory of FEM and BEM, the structure sound radiation can be translated to the analysis of structure dynamic sensitivity and impedance matrix sensitivity. The theory posted in this dissertation is tested by the FEM software ANSYS and the software AAS programmed by author.
在前几章的基础上,通过结构声辐射的模态理论对结构的声辐射的机理进行了深入地探讨,针对目前声辐射模态的研究对象主要是简单的板和梁类结构,提出了一种计算复杂结构声辐射模态的方法,利用前两章研究所得的结论,将边界元方法与广义特征值的理论结合起来研究了复杂结构的声辐射模态与声辐射效率,先将结构的声辐射功率表示为一个正定的厄米特二(来源:ABb7C论文0909网www.abclunwen.com)次型,运用广义特征值分解求解了复杂结构的声辐射模态,然后利用声辐射模态关于阻抗矩阵与均方速度耦合矩阵的正交性,求解了复杂结构的声辐射效率,最后用具有解析解的脉动球与辐射立方体验证了该方法的有效性。
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First chapter is the summary, mainly introduced the project basic survey; Second chapter for the dam site hydrology characteristic, introduced the Hubei -01 key project in the basin specially is nearby the dam site hydrometeorology survey; Third chapter for the key position and the storehouse district terrain geology condition, introduced explained the dam site specially is nearby the dam spool thread terrain geology condition; Fourth chapter for the key position building shaping and the hydrology computation, including determined key position the project rank, the building shaping, adjusts Hong to calculate, blows off the bottom hole cross section size drawing up with initially to draw up the key position scheme of arrangement; Fifth chapter draws up for the size with the dam body arrangement, including the shaping, the Liang section plane determination, the dam body dam base guards against infiltrates the draining water facility the arrangement and the dam body plane arrangement and the stress stable analysis computation; Sixth chapter for the flood discharge design, mainly is the top of dam detailing and the downriver disappears can design; Seventh chapter for blows off the building the design, mainly is to imports the building the detailing strobe arrangement and Kong Shen and the exportation disappears can the design; Eighth chapter pilots the system and the power plant workshop design for the power plant, mainly is directs the system and the power plant workshop design to the power plant; Ninth chapter is ground processing, including ground excavating, the cleaning up, solidifies the grouting, the curtain is in the milk and all that some processing measure.
第一章为综述,主要介绍了工程的基本概况;第二章为坝址水文特性,介绍了鄂-01枢纽工程所在流域特别是坝址附近的水文气象概况;第三章为枢纽及库区地形地质条件,介绍说明了坝址特别是坝轴线附近的地形地质条件;第四章为枢纽建筑物的选型及水文计算,包括确定枢纽的工程等级,建筑物选型,调洪演算,放空底孔断面尺寸的拟定和初步拟定枢纽布置方案;第五章为拱坝尺寸拟定和坝体布置,包括拱坝的选型、拱冠梁剖面的确定、坝体坝基防渗排水设施的布置及坝体的平面布置和应力稳定分析计算;第六章为泄洪的设计,主要是坝顶的细部设计和下游消能设计;第七章为放空建筑物的设计,主要是对进口建筑物的细部设计闸门布置及孔身和出口消能的设计;第八章为电站引水系统及电站厂房设计,主要是对电站引系统和电站厂房的设计;第九章为地基处理,包括地基的开挖,清理,固结灌浆,帷幕灌浆以及其他一些处理措施。
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But the unfairness, as well as the inaptitude, of the quotation appears from this, that only the beginning of the passage is quoted:'At a time when the sun is obscured, it is an evil sign to all the world,' while what follows is omitted:'When the sun is obscured, it is an evil sign to the nations of the world; when the moon is obscured, it is an evil sign to Israel, because Israel reckons according to the moon, the nations of the world according to the sun.
但是,不公正,以及inaptitude ,报价从这个看来,这仅仅是个开始的通行引用:'当太阳遮蔽,这是一个邪恶的迹象世界所有,而哪些是省略如下:'当太阳是模糊不清,这是一个邪恶的标志,世界各国,当月球遮蔽,这是一个邪恶的签署对以色列,因为以色列认为根据月亮,世界各国根据太阳。
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Come 28 years old in 26 years old, young Marx open up gives a new perspective, this is aimed at the mankind namely beyond outside content comes elucidate is with the person this, the object that is aimed at practice with the main body; of practice namely comes elucidate is with the person this, among them clew of a thought is with the person's practice namely foundation and it is in order to carry out medium person this, on the base that he considers in practice, it is with historical view inchoative, elucidate of one by one the multiple thought of ontological, epistemological and axiology, the centre of gravity that is this thought with the person right now change to with the person's value this.
在26岁至28岁,青年马克思开辟出一个新视角,这就是针对人类以外的外物来阐发以人为本,也就是以实践的主体;针对实践的客体来阐发以人为本,其中一条思想线索就是以人的实践为基础和以实践中的人为本,他在实践论的基础上,以历史观为发端,逐一阐发了存在论、熟悉论和价值论的多重思想,此时以人为本思想的重心已经转向以人的价值为本。
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In order to overcome the technological difficulties encountered in the course of insulation fault diagnosis on the base of dissolved gases analysis, several kinds of mathematic models and actualized methods are brought forward to improve the reliability and veracity of fault diagnosis of transformers. The research works are shown mainly as followings:1 A modified fuzzy multi-criteria method is brought forward for insulation fault diagnosis of transformer. Furthermore, a new method for insulation fault diagnosis is proposed on the base of fuzzy multi-criteria together with rule reasoning. With fuzzy diagnosis in the method, fault reasons are filtrated and then the reasons in low probability are prohibited, Moreover, the left reasons are testified by using rule reasoning and then final concludes are drawn in much less misjudge probability and better results.2 On the base of geometry characteristics of C- partition to sample set of DGA data of transformer, a method is put forward to compute effective radius of neighbor field of a sample, number of clusters and values of initial centers. Moreover, the fuzzy C- means cluster model with adaptive weight is brought forward in the first time and then the fault classifier is designed for insulation fault diagnosis of transformer.3 According to the weakness of the degree of gray of gray incidence, a new formula to compute DGI is put forward and then incidence order criterion is ascertained. Moreover, a new DGI model for fault diagnosis is proposed according to the further analysis to relationship between fault reason and content of oil dissolved gases of transformer.
为解决在应用油中溶解气体分析方法(Dissolved Gases Analysis,简称DGA)诊断变压器内部绝缘故障时所遇到的主要技术难题,论文提出了用于提高变压器故障诊断准确性和可靠性的数学模型及实现方法,主要研究工作如下:1)提出了一种改进的变压器绝缘故障诊断模糊综合评判方法;进一步提出了将模糊综合诊断与规则推理相结合进行绝缘故障诊断的方法,该方法采用模糊推理对故障原因进行"过滤",滤掉可能性极小的原因,然后进一步利用规则推理验证剩下的可能原因,得出最终结论,大大减少了误判比率,获得了较好的效果。2)根据以变压器DGA数据为特征量的样本空间的c-划分几何特性出发,提出了一种求取样本有效邻域半径和聚类数及聚类中心初值的方法,在此基础上,首次提出了一种自适应加权的变压器绝缘故障诊断的模糊c-均值聚类模型,并设计出故障分类器。3)针对常用灰色关联度的不足,提出了一新的灰色关联度计算公式及确定关联序的准则;并在此基础上,通过深入分析变压器发生绝缘故障时的原因与油中溶解特征气体含量的关系,建立了一种新的故障诊断灰色关联模型;通过实例分析证明,该方法能有效地诊断出变压器绝缘故障及故障部位,大大提高了诊断的准确性。
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He who is neither inward-wise, nor outward-wise, nor both inward- and outward-wise, nor wisdom self-gathered, nor possessed of wisdom, nor unpossessed of wisdom, He Who is unseen and incommunicable, unseizable, featureless, unthinkable, and unnameable, Whose essentiality is awareness of the Self in its single existence, in Whom all phenomena dissolve, Who is Calm, Who is Good, Who is the One than Whom there is no other, Him they deem the fourth ; He is the Self, He is the object of Knowledge.
七 图力亚是第四个状态。意识在这个状态既不朝内亦不朝外,并且内外皆不转。它无分别,超越了知见与非知见的范畴。此状态无法由感官来体验、比较或推理而得知;它不可思议的、超越想象,并无法以言语表达。这是纯意识,这是真正的大我。它断绝了一切外在的现象,它是寂静、完全的喜悦,是唯—不二的。吾人必须了悟这个真正的大我。
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"Is',"is not',"is and is not',"is indescribable',"is and is indescribable',"is not and
是,不是,是和不是,是难以形容的,是和是难以形容的,不是和难以形容的,是、不是和
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I arrive at this Guangzhou, I personally once experienced personally, why here of foreign duty worker's member be which Yao of many, they is of is what, why since then go to here, for the sake of a common of target, which be money, because there is no way, they have no way, they also don't think to oneself is which appearance, every day give person part-time job, but they are also canning not figure out what good way, because they want to oneself of the sons and daughters be responsible for, send they go to school, bring up they grow up an adult, arch they eat arch them to wear, be used as parents what this is a son is really for world of the parents feel an in the mind displeased, uncomfortable, I sawed much more in my own body of affair, although I see not and deeply the winds and clouds of world change Huan, but I really saw understand some thing, be little I know how to make allowance for parents of mood, but I don't miss them everyday for the sake of we but is not in the home every day, every day at outside, at outside give person part-time job, myself be an indocile kid, perhaps I is really be unlike their kid, I every day in the mind words I don't know to be like who say, this kind of in the mind force be the in mind difficult way pleasurable?
我来到这广州我就亲身体验过,为什么这里的外来务工人员就是哪么的多,他们为的是什么,为什么而来到这里,为了一个共同的目标,哪就是钱,因为没有办法,他们没有办法啊,他们也不想对自己是哪样子的,天天给人打工,可是他们在也想不出什么好法子,因为他们要对自己的子女负责,要送他们上学,要抚养他们长大成人,要拱他们吃拱他们穿,做为父母我这做儿子的真是为天下的父母感到心里不愉快啊,不舒服啊,我在我自己的身上看到了许许多多的事情,我虽然看不透世界的风云变幻,可是我真的看懂了一些东西,只少我懂得如何去体谅父母的心情,可是我不想他们每天都为了我们却天天不在家里,天天在外面,在外面给人打工,我自己就是一个不听话的孩子,也许我真是不像他们的孩子,我天天心里话我都不知道像谁说,这种心里逼在心里难道好受吗?
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A new knowledge acquirement way is presented based on the reliability data of product, then the fuzzy semantic net which consists of FEPM and fuzzy fault tree is regard as fault knowledge representation. The formalization of the fuzzy semantic net is described, and the relative concepts and relations are summarized. A stereo-knowledge representation which consisted of FFTF, rule and fuzzy neural network which make up of the shallow knowledge of the product is presented. The integrated fault diagnosis method based on the stereo-knowledge representation is suggested. The method is as follows. The fuzzy search inference is carried out on FFTF firstly. If the node being diagnosing can be decided if it failed or not in the fuzzy search inference, the rule inference to the node is carried out with the rules which being in symptom-fault way. An equivalent method, pattern recognization inference using fuzzy neural network, can fulfill the same work.
提出了以FFTF模糊语义网络为主、基于浅知识的产生式规则、模糊神经网络为辅的产品故障知识的立体知识表示方式,并提出了基于该多种知识表示的综合性故障诊断方法,即:首先对故障产品进行基于FFTF模糊语义网络的模糊搜索推理,如果在模糊搜索推理过程中不能确定当前诊断节点故障与否,则对当前诊断节点进行基于征兆-故障形式的验证式规则推理或者对包含该诊断节点的部件/子系统进行基于模糊神经网络的模式识别推理,如果在完成或者不再进行基于模糊语义网络的故障推理,仍然不能诊断出故障节点,则对基于模糊语义网络诊断过程中形成的故障诊断子图进行神经网络推理。
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For instance, because the job is busy,Wu Man of Chinese Shanghai girl sees a lot of office worker, have a meal in cafeteria everyday almost, then bud commute in the white-collar need the subway of the ground of classics and office building and other places sell organic the commercial pattern of only course, wu Man hopes to hand the idea of healthy diet to modern with this; The layout case name of the bavin of old Da · that comes from Kampuchea is " your business affairs solution ", its business plan is the blame productiveness orgnaization that is Kampuchea place, or it is office of financial insolvency big accountant the small company of high cost, provide petty gain, the client is custom-built the accountant solution of type; And year only Philippine girl of 23 years old Kailuolin Kua, criterion the Philippine food culture with aspire pure and healthy general pushs to the world: She will begin will Philippine have a kind of common orange kind the fruit applies in food, dressing and beverage widely, poineering idea is this kind of fruit treatment is become without candy, need not compress, the inspissation that can save 6 months juice.
比如,中国上海女孩巫曼看到很多上班族由于工作繁忙,几乎天天都在餐馆里吃饭,于是萌发了在白领上下班必经之地的地铁和写字楼等地出售有机净菜的商业模式,巫曼希望以此给现代人传递健康饮食的概念;来自柬埔寨的陈妲·柴的企划案名为"你的商务解决方案",其商业计划是为柬埔寨当地的非赢利性机构,或是无力支付大会计师事务所昂贵费用的小企业,提供便宜的、客户定制式的会计解决方案;而年仅23岁的菲律宾女孩凯洛林·库阿,则立志将纯净健康的菲律宾饮食文化推向世界:她将着手将菲律宾有一种常见的柑橘类水果广泛地应用于食物、调味品和饮料中,创业想法是将这种水果加工成无糖、无需压榨、可以保存6个月的浓缩汁。
- 相关中文对照歌词
- To Be Young (Is To Be Sad, Is To Be High)
- Mine Is Yours To Drown In (Ours Is The New Tribe)
- Is That All There Is?
- Is That All There Is To Love
- Is That All There Is?
- It Is What It Is
- Is You Is Or Is You Ain't (My Baby)
- Is You Is Or Is You Ain't My Baby
- Is You Is Or Is You Ain't My Baby
- Mike Dexter Is A God, Mike Dexter Is A Role Model, Mike Dexter Is An Asshole
- 推荐网络例句
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And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.
47:5 法老对约瑟说,你父亲和你弟兄们到你这里来了。
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Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.
提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法,同时,采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。
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Hey Big Raven, The individual lies dont matter anymore - its ALL a tissue of lies in support of...
嘿大乌鸦,个别谎言的事不要再-其所有的组织的谎言,在支持。