法向應力現象 的英文怎麼說

中文拼音 [xiàngyīngxiànxiàng]
法向應力現象 英文
normal stress phenomena
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  • : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ名詞1 (現在; 此刻) present; now; current; existing 2 (現款) cash; ready money Ⅱ副詞(臨時; ...
  • 現象 : appearance (of things); phenomenon
  1. The dynamic tensile stresses of earthquake may balance or exceed to the precompression stresses due to static watef, this may arouse opening of joints along the normal direction. if the altemate actions of earthquake join, the joints may behave gradual opening and closing

    由於地震作用時的動拉將抵消並超過靜載作用下的壓,導致橫縫面沿張開,加上地震的交變作用,橫縫可能會呈反復的「漸開漸合」
  2. In this paper, the base principle and structure of kbs. ( knowledge base system ) is explained first, and then discuss bp neuralwork, rbf network on structure and atithmetic. in detail. the mixed diagnostic expert system bases on microsoft windows, microsoft vc + + 6. 0 is choosed as program development tool, microsoft sql server2000 is choosed as database development tool. it is composed of four parts

    本論文對混合型專家的理論和實進行研究,詳細地討論了知識庫規則的構造、管理,對bp演算、徑基神經網路rbf演算作了深入的探討和分析,並以船舶動裝置故障診斷為對混合型專家系統在其上的用。
  3. Aiming at the study actuality of fan performance monitoring system and analysis of fan performance curve changes affected by inlet - box and the different fixed - angles of guide blades in the course of installation, a fan flow monitoring model based on rbfnn in whole flow zone was established in this thesis. in the model, the method of no throttle and fan performance curve were used as basis. and on the basis of that model, fan performance curves of 4 - 73no. 8d were approached with experimental data of different speed, different opening - angles of guide blade and different resistance of pipeline, the precision and the error law of model were studied

    本文針對電站風機性能監測系統研究較少的狀,在實驗的基礎上分析了場加裝進氣箱和由於安裝造成的導流器葉片開度不一致對風機性能曲線的影響,並在此基礎上採用無節流方測量流量,以風機調節性能曲線為依據,建立了基於徑基函數( rbf )神經網路的風機流量全程監測模型;以實驗室4 - 73no . 8d離心風機為研究對,探討了rbf神經網路差壓模型在變轉速、變導流器開度和變管網阻等工況下的用精度和誤差分佈規律;最後用visualc + +語言開發了風機性能在線監測系統。
  4. Working conditions and productive capacities of both drill carrier and carry - scraper used during mechanical cut and fill stopping activities in xinqiao mining cooperation ltd. are evaluated by field testing and theoretical analysis in this paper

    摘要以新橋礦業有限責任公司大型機械化上水平分層充填采礦中使用的鑿巖臺車和鏟運機為研究對,通過場測定和理論分析相結合,評價了無軌設備的用狀況和生產能
  5. Although uml activity diagram is magnitude component in uml, which agrees with modeling system dynamic process and describing workflow, it is immature in itself with the characteristic of non - oriented - object and essentially different from other uml diagram, and need to be ameliorated especially when applicated in workflow, own to the following limitation : firstly, activity diagram describes the behaviors of object class that response the inner action, so uml activity diagram is generally on the assumption of that there is no interruption caused by outer events during the process and no time defer, which limits the ability of uml activity diagram discribing complicated process ; secondly, user cannot obtain enough information of object data, and cannot make sure the character of mutual objects because of actually complicated object and relatively simple object expression in uml activity diagram ; lastly, owe to lacking rigorous mathematical basis and strict, effective methods of validation and analysis, uml activity diagram cannot support the simulation and optimization of workflow, let alone optimizating the model based on the result

    Uml活動圖是uml的重要組成部分,適用於系統動態行為建模和描述工作流,與uml的其他圖形工具不同,它本質上是非面的,而且其本身並不成熟,仍在改進之中,特別是在工作流用方面。首先, uml活動圖描述的是響內部處理的對類的行為, uml活動圖通常假定在整個計算處理的過程中沒有外部事件引起的中斷,也沒有時間的延遲,這就限制了uml活動圖對一些復雜過程描述能。第二,實世界業務過程涉及的對數據十分復雜,但是uml活動圖的對語義卻非常簡略,用戶基本上無從uml活動圖中獲取關于對數據的信息,也不能確定參與交互的對的特徵。
  6. In this paper, according to the fully time compulsory education curriculum standards of chemistry ( experiment draft ) which requests that the students should be able to pose some valuable questions from their daily life or from their chemistry learning and express their questions clearly, the author discussed the inquiry value of the questions in chemistry instruction based on the theory of scientific epistemology, cognitive psychology and ability psychology. furthermore the parameters for measuring the students " questioning ability are also talked about from the perspectives of the motivations of questioning, the cognitive foundation, the value of the questions, the ability of posing questions by themselves and the ability of expressing their questions. after reading many literatures and interviewing some experienced chemistry teachers, the author proposed instructions strategies in cultivating the students " questioning ability in chemistry instruction from five aspects, they are : to stimulate the students to question ; to construct the cognitive foundation of questioning ; to augment the value of the questions ; to make the students pose their questions by themselves ; to cultivate the students " ability of expressing their questions

    本文在研究的過程中,採用了文獻閱讀和任課教師訪談的方,以《標準》中對「提出問題」要素的要求「能從日常或化學學習中,經過啟發或獨立地發一些有探究價值的問題;能比較清楚地表述所發的問題」為主線,運用科學認識論、認知心理學及能心理學的相關理論作為理論基礎,結合中學生化學學習的特點,從問題的遷移價值、思維價值、能培養價值和情感價值四方面深入探討了化學教學中問題的「探究價值」 ;通過對化學教學中學生「提出問題」能的涵義及結構的分析,從提問動機、提問的認知基礎、所提問題的價值、提問的自主性和表達問題的能五個方面建立了衡量學生「提出問題」能的指標體系;在此基礎上相從五方面提出了化學教學中學生「提出問題」能培養的教學策略,分別是激發學生「提問」動機的策略、建構「提問」認知基礎的策略、提高問題價值的策略、提高學生「提問」自主性策略和培養學生「表達問題」能的策略。
  7. When a ferromagnetism items is under the application of stress, the phenomenon that the tangential component of magnetic leakage field has maximum value and that the normal component of magnetic leakage field changes polarity and acquires zero value at the stress concentration zone will take place

    鐵磁性工件在受到作用時,在集中處會有漏磁場的切分量出最大值、同時分量改變符號且過零值點的
  8. Secondly, the author firstly demonstrates that the demand regulatory policy could keep the currency value correspondingly stable and make economy go up more quickly, employing the image diagram of curves. and then the author effectively demonstrates that the relativity of between price, output and monetary aggregates is closer, employing co - integrated theory, the vec ( vector error correction ) model and the variance decomposition method for analyzing quarterly data from 1996 to the third quarter of 2005

    其次,在運用形的曲線圖分析階段需求管理政策可以使我國在保持幣值相對穩定的條件下實經濟較快增長的基礎上,運用協整檢驗、 vec (量誤差校正)模型和方差分解方分析了1996年以來貨幣供量、物價和產出的季度時間序列,有地論證了貨幣供量與物價、產出間具有較強的相關性。
  9. This implies that the cross correlation between the spreading sequence of the user of interest and the signal from a strong interfere can be larger than the correlation with the signal from the desired user

    深入分析自然免疫的內在動因,優化和完善有演算的模型與結構體系,拓展用領域將是我們下一步研究的重點和努的方
  10. On the detail contents of the study, first of all, under the guidance of the basic theory of the integration of intelligence and capital, it made an analysis of the cooperative intentions of both datong and shuguang at their respective positions and affirmed the positive significance of their cooperation. secondly, it conducted a detail analysis of investment values of shuguang co. from three sectors of its exterior environment, rd & marketing capabilities and finance to make sure what are its strong and weak points, and its internal potentials and the urgent problems it should handle and giving a clear picture of the investment value by investing shuguang. thirdly, based on funding and fund use plans of shuguang co., it analyzed its urgent demand of investment from datong co. and has done a basic calculation of investment return and reached a possible win - win conclusion

    文章在深入調查的基礎上,選擇了較為典型的知識型企業成都曙光股份和典型的資本密集型企業寧波大通股份為研究對;在研究內容和方上,首先以知識與資本結合的基本理論為指導,對大通股份與曙光股份的合作意分別站在各自立場上進行了分析,肯定了雙方合作的積極意義;其次對曙光股份的投資價值從外部環境、研發和營銷能以及財務三個方面作了較為詳盡的分析,確認了其強弱項、內在潛和急需對的問題,凸出投資曙光股份的價值所在;第三,針對曙光股份的籌資用資計劃分析了該公司急需大通投資的客觀要求,並對用資效益進行了初步測算,得出了有望出雙贏效果的結論;第四,探討了適宜於大通股份的投資方式,在此基礎上設計出大通股份參股曙光股份的投資方案,並進行了較為系統的可行性研究,證明了投資方案的可行性;最後,對大通股份投資曙光股份后進行整合與管理提出了初步設想。
  11. According to the effective field expression which has been derived in former, the phenomenon that the tangential component of magnetic leakage field has maximum value and the normal component of magnetic leakage field acquires zero value at the stress concentration zone of positive magnetostriction ferromagnetism materials under the application of tensile stress and negative magnetostriction ferromagnetism materials under the application of compressive stress is explained theoretically through analyzing and discussing

    根據所得到的地磁場中受鐵磁性材料有效場表達式,通過分析討論,解釋了受拉作用的正磁致伸縮鐵磁材料和受壓作用的負磁致伸縮材料在集中處漏磁場切分量出最大值、同時分量為零值的
  12. To completely avoid producing elements jointed at their corner nodes and checkerboard patterns, which frequently occur when the topology optimization of plane continuum is studied, the theory of topology analysis of plane continuum in topology optimization process and the simple algorithm for programming are studied. according to algebraic topology theory, the boundary of elements and plane continuum are operated as a one - dimensional complex. by use of the adjacency vector in graph theory, the structural topology is described and the topological operation is achieved on a computer. by above, the structural topological feature in the evolutionary process is gained. these methods are effcient and reliable. under topology constraints, according to the results of stress analysis, by deleting elements and moving nodes at the boundary, more satisfactory results can be gained by using a few numbers of elements and iterations. to demonstrate the efficiency of these methods, solutions including some well - known classical problems are presented

    避免目前平面連續體結構拓撲優化過程中經常出的單元鉸接以及「棋盤格」等,研究了連續體結構拓撲優化過程的拓撲分析方,以及在計算機上實的簡便演算.根據代數拓撲理論,單元及連續體的邊界作為1 -復形進行運算.利用圖論中的鄰接量概念,在計算機上實了結構的拓撲描述及拓撲運算,得到了結構在拓撲演化過程中的拓撲特性,方簡單、可靠.在一定的拓撲約束下,根據分析結果,採用刪除單元、單元退化、移動節點等方,可以用較少單元得到更為滿意的結果,提高計算效率.為演示方的有效性,給出幾個包括常見經典問題的解答
  13. Business valuation based on modern economy is one of the most difficult and comprehensive professional work in asset appraisal, but also stands for the trend of the appraisal. as china implemented planned economy all the long in the past years, the concept of business value was proposed later than other advanced countries. the study on the theory and method of business valuation we made is relatively backward. all these lead to that we merely use cost method in practice. with the improvement of market economy, the validity of cost method is challenged. hunting for appraisal methods suitable for china circumstance has become more and more urgent. this thesis presents its own opinion on the adjustment of the basic frame of theory of business valuation. for the first time, it puts systems theory into the study of the theory base, and believes that the enterprise as a compound entity has higher efficiency than the sum of its constituent, and then proposes new appraisal assumption. aiming at the obscure understan ding, it analyses a group of conception related to business valuation. after giving a whole analysis and study, this thesis indicates the income approach which emphasizes earning - capacity of a enterprise should become the correct choice of china, and makes a further study on the origin - features and feasibility of this method

    植根于代經濟的企業價值評估是資產評估中綜合性最強,技術難度最高的業務之一,也是評估業未來的發展方,由於我國過去長期實行計劃經濟體制,企業價值概念的提出和運用時間較晚,缺少代經營理念的積累,企業價值評估的理論與方的研究比較滯后。本文試圖以理性分析和案例分析相結合的方,系統研究和分析企業價值評估的基礎理論及其實條件下,適我國經濟發展的評估方,以期為構建有中國特色的企業價值評估理論和方體系做一些有益的探索。文章以企業價值評估的基本概念為起點,在對眾多關于企業性質的學說和理論觀點進行概括抽的基礎上,指出了整體性、持續經營和盈利性是企業的重要特徵,依據企業的整體性運用系統方闡明了企業的價值大於組成企業的單項資產價值之和,據此提出了反映企業價值評估特點的有機組合增殖假設;依據盈利性的特點,強調了企業價值評估的核心為企業的獲利能,而不是組建企業的成本;對企業價值、企業價值評估含義、特點的論述以及對相關概念的辨析表明了作者的個人觀點和文章的基本定位,而從評估目的入手劃分的以產權變動為目的的企業價值評估和以財務決策為目的的企業價值評估與企業價值評估的假設、評估核心共同決定了評估方的選用。
  14. Engineering drawing has always been labeled as a practical subject. a combination of geometrical, building. mechanical and electrical drawing, it relates between theory and the picture of reality. engineering drawing will provide an accurate and complete ptcture for every object tn terms of shapes and sizes. usually, it is taught using the face - to - face teaching mode even in an odl environment. due to its nature, some students may find difficulty in imagining and interpreting the drawings. however, the availability of sophisticated technology provides the opportunity for the learning of engineering drawing to be enhanced via online. a web - based system for teaching and learning engineering drawing was developed based on a constructivism model. the web - based system is tailored for several topics of engineering drawing such as orthographic projection, sectional view, isometric and oblique drawing at the secondary level. the learning strategy consists of multiple phases beginning with introduction, concept learning, engineering drawing method, application and exercises. during introduction, students will be exposed to an overview of the topic followed by learning of specific concepts. the system provides a learning environment that allows engineering students to view objects from different angles, such as third angle projection and first angle projection as well as views of plans, side and front elevations. after learning about the concepts, students wilt be guided through the various steps in drawing methods for each topic via animations and simulations. learners are able to view any section repeatedly. examples of real application of engineering drawings were also given using graphic, animations and video. to evaluate students understanding, exercises were given at the end of each session

    工程制圖一直被認為是一門實踐性學科,其整合了幾何學、建築、學、電子制圖等,從而將理論與實圖像聯系起來,工程制圖能為每個不同形狀、尺寸的物體提供精確的、完整的圖像.通常,即使在開放與遠程教育環境中,工程制圖的教學也是通過面對面的教學模式來進行的.由於其特殊性,一些學習者可能難以想並解釋這些圖像.然而,尖端的技術使得可以通過在線的方式加強工程制圖的學習.研究者基於建構主義模式開發了一個面工程制圖教學和學習的網路系統.該系統適用於幾種工程制圖,例如展開圖、刻面圖、等角圖和斜角圖.學習過程包括導論、概念學習、工程制圖方,以及用與練習等階段.在導論階段,系統為學習者提供了專題簡介,然後是概念學習階段.系統所提供的學習環境允許工程專業的學生從三維透視、一維透視、平面圖、側立面、正立面等不同角度來觀察物體.經過概念學習階段后,系統將引導學生通過動畫和模擬學習每個專題中制圖方的不同步驟,學習者也能重復觀察任何剖面.另外,還通過圖像、動畫和視頻等方式展示真實的工程制圖用案例.最後,為了評價學生的理解能,在每部分內容後面都附有相關的練習
  15. The opening stress and the life of crack growth is calculated and compared with the test results and the experience formula. the feasibility of the newman theory of opening stress used in the high strength steel is validated. then through the slice synthesis method, the three dimension surface crack of the weld joint of cone - cylinder is decomposed into many plane through cracks

    本文將基於裂紋閉合建立的帶狀屈服模型,用在平面貫穿裂紋中,計算此時的裂紋張開和疲勞裂紋擴展壽命,與試驗結果和經驗公式比較,驗證newman裂紋張開理論在高強鋼中的可行性;然後,用切片合成,把潛艇結構凸錐柱結合殼焊縫處的三維表面裂紋分解成平面貫穿裂紋,用帶狀屈服模型的理論來分析平面貫穿裂紋,得到裂紋沿深度方的擴展速率,進而得到潛艇結構的疲勞壽命。
  16. An intelligent dispatcher training system for restoration of power system is studied in this paper. an object - oriented knowledge - representation method of power network topology for system restoration is proposed, which can be used effectively for system restoration ; a method for detecting the network islands after faults is used, which is based on the breadth - first searching technic

    提出了一種面的用於事故處理的電網結構知識表示方;將面的可視化技術用於本系統,成功地開發了電系統制圖模塊,在此基礎上開發了電網數據管理系統,實了對電網圖形的編輯和數據的管理。
  17. These landslides go with fluidization peculiarity different degree in course of their motion, and their speed and distance increase several times because of the fiuidization, thereby the disaster area greatly broaden. on the base of above, the paper studies systematically the fluidization of large high - speed rockslides in all its aspects : analyzed the aerodynamic effect in the short - range on the base of the wind turmel experiment, studied the effect of falling into pieces when landslides collides mountain ; studied the accelerating effect through high - speed collide experiment of landslides model ; and the paper reappear the overall process including set - out, collide in the short range, debris flow in the long - range of touzhai large landslide via distinct element method ( dem ), studied the flow law and equation of different type of debris flow resulted from large landslide. as a sample to apply, the paper analyzed fluidization mechanism of touzhai landslide

    基於這一點,本文對大型高速巖質滑坡的流體化進行了全面而系統的研究:通過風洞模型實驗,研究了大型高速滑坡凌空飛行階段的空氣動學效,研究了飛行中滑坡巖體在與途中不動山體發塵碰撞時的解體破碎效,通過滑坡巖體高速碰撞模型實驗研究了滑坡巖體解體破碎後部分巖體的加速運動效,並用離散單元了雲南頭寨溝大型滑坡啟動高速、近程碰撞、遠程碎屑流運動的全過程,研究了巖體解體破碎后形成不同類型碎屑流的運動規律及運動方程,並對頭寨滑坡流體化運動機理進行了實例分析,取得了以下主要結論和成果: ( 1 )對于大型高速滑坡,大多在啟程活動階段已獲得了高速,這使得這類滑坡在其離開剪出口之後以凌空飛行的形式前運動,在其飛行過程中,滑坡巖體與空氣強烈作用,並產生空氣動學效,滑坡巖體在因碰撞而產生的解體破碎效及部分巖體的加速運動效的作用下,在遠程活動階段,以高速碎屑流的形式前運動。
  18. Interface capturing method for multi - fluid flow, which smear out the tangential discontinuity, is developed to simulate the compressible flow. the multi - fluid problems can be transformed to a single - fluid to resolve, using the fluid dynamic conservative equations coupled with the interfaces capturing equations, and any of stability and non - oscillation scheme for the whole computational region. the two schemes mentioned above are better

    給出的方具有以下特點:引入界面捕捉方程將切間斷抹平,形式上將多流體計算轉化為單一流體計算,數值計算通過解流體動學和界面捕捉耦合方程組來實,可以用的差分格式是任何一種穩定和不產生非物理振蕩的差分格式,前面提到的兩種格式只是其中效果比較好的格式。
  19. Firstly, the paper sums up program foundation of the auto design system for the structure of prestressed composite slab, in which object - oriented programming and multi - language programming are discussed emphatically. secondly, the paper illustrates program design of the auto design system in preprocess section, analyses calculation section and postprocess section respectively, in which the function design of the intellectualized collocation, the continuous beam model, the check of the precast slab, auto generation of the calculations and shop drawings is described weightily. finally, the practical design methods and process of the structure system of prestressed composite slab are expatiated by representative example

    在綜述了預樓蓋體系以及計算機輔助設計的相關內容,分析了國內外研究狀,研究了疊合樓蓋的受機理、抗彎抗剪性能以及經濟指標后,文中首先概括了預疊合樓蓋體系自動設計系統的編程基礎,其中重點討論了面程序設計和混合語言編程技術;然後分前期處理、分析計算、後期處理三部分,詳細說明了預疊合樓蓋體系自動設計系統的程序設計,其中突出描述了程序所特有的智能布置、連續梁模型、預制板校核、生成計算書及施工圖等功能的設計;最後用實例講述了預疊合樓蓋體系的實際設計方及步驟。
  20. Based on this reality, this thesis makes an effort to search for the most suitable marketing theories and approaches. especially in market segmentation target market selection and market positioning, the author attempts to divide the construction pump market into nine segments according to his interest - oriented role division method and the numerical method of the evaluation of differentiated market. in accordance with its value and the degree of competition, the author picks out five differentiated markets and makes appropriate market positioning strategy in product, brand and corporation by taking into consideration the features of the selected differentiated market

    正是基於以上,本文在尋找適合中國建築用泵行業的市場營銷的理論與方上做了些努,特別在市場細分、目標市場選擇和市場定位方面,嘗試了自創的利益導型的角色劃分和細分市場的評價數值,把中國建築用泵市場細分為九個細分片,並根據價值的高低和競爭程度的強弱選擇了五個細分市場,再針對所選擇細分市場的特點分別在產品、品牌和公司層次上制訂了相的定位策略。
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