力學時標度 的英文怎麼說

中文拼音 [xuéshíbiāo]
力學時標度 英文
dynamic time scale
  • : 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動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : Ⅰ名詞1 [書面語] (樹梢) treetop; the tip of a tree2 (枝節或表面) symptom; outside appearance; ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. Based on the analyses on mechanical properties, microstructure and fracture of - the microalloyed steels socrv with various heat treatment technique, it can be affirmed that various fractures arttribute to various mechanism, we can draw conclusion that the strength and toughness of microalloyed steels 50crv will be increase simultaneously by optimal heat treatment technique. to illustrate the mechanism of the strength and toughness of microalloyed steels socrv, we designed the comparative experiment and observed the microstructure of the sample which occurred at different quench and tempering temperature and different tempering time. the last experiment results were determined by the four factors : fined microalloyed elements grains, the decompound of martensite, martensite transformation of remnant austenite and the second phase precipitation

    為解釋微合金化50crv鋼強韌化機理,本文通過對不同淬火溫,回火溫,回火間下的性能指的對比及顯微分析,認為微合金元素的細化晶粒,馬氏體的回火分解,殘余奧氏體的轉變,第二相的沉澱析出共同決定了微合金鋼的強韌化情況,特別是由於微合金元素的存在,其細化晶粒及其碳氮化物的沉澱析出,導致鋼的良好的強韌性,並且如果工藝滿足第二相的沉澱析出強化大於回火馬氏體分解引起的軟化效應,會在硬曲線中產生明顯的二次硬化現象。
  2. This dissertation presents a hypoelastic constitutive model with four material constants in describing the mechanical behavior of granular materials under loading. analysis results of the model have good coincidence with those of triaxial experiment of the standard sand under different relative density. the model can describe the contractant and dilatant phenomena of granular materials

    提出了一種含4個材料常數的亞彈性本構模型,來描述散粒體在加載行為,本模型的分析結果與不同相對密準砂的三軸實驗可較好地吻合,能反映散粒體的剪縮、剪脹現象,還對如何用三軸實驗數據來確定這4個材料常數,給出了適宜的計算方法。
  3. By the large quantity of indoor and field soil mechanics test, this paper investigated physics and mechanics property of xigeda stratum and xigeda compounding filling, profoundly and systematically studied on shearing strength, cbr ( including indoor cbr and field cbr ) and intensity feature of xigeda compounding filling. the new achievement and cognition as follows : ( 1 ) cbr value is decided by moisture content and mudstone content of xigeda compounding filling. the filling material can satisfy minimum intensity standard of express highway when mudstone content is less than some fixed value, ( 2 ) this paper established field cbr standard value which can synthetically evaluate the filling material nature and field compaction degree. ( 3 ) the optimal compacting mean of xigeda compounding filling is hard oscillation first and weak oscillation later, not traditional way which is weak oscillation first and hard oscillation later. ( 4 ) this paper put forward the conception of optimum moisture content in construction different from optimum moisture content of indoor impaction

    本文以昔格達填料強特徵為研究對象,通過大量的室內及現場試驗,從昔格達地層巖組的物理性質、昔格達填料的物理性質入手,對昔格達填料的抗剪強、室內承載比及現場承載比特徵進行了較系統地研究,獲得了如下認識及進展:昔格達混合填料承載比值受填料含水量及其中泥巖含量的影響,當泥巖含量小於一定值,昔格達混合填料具有較高的承載比值,能夠滿足高速公路對填料的最低強要求;建立了綜合評判昔格達填料性能及現場壓實效果的現場承載比( cbr )準;對于昔格達填料而言,最佳的碾壓方式為先強振后弱振而不是傳統的先弱振后強振;提出了與室內擊實最優含水量相區別的施工最佳含水量的概念。
  4. The result indicates that in the case of constant content of asphalt, marshall stability, compression strength, rupture strength, compression modulus and rupture modulus of cement emulsified asphalt concrete would increase along with the increase in cement content ; in the case of constant content of cement, these index values would decrease along with the increase in asphalt content ; while with the increase of coarse aggregate, rupture strength and rupture modulus of the concrete would increase conspicuously, yet compression strength and compression modulus would have a little change

    試驗結果表明:在乳化瀝青含量不變,隨著水泥用量的增加水泥乳化瀝青混凝土的馬歇爾穩定、抗壓強、抗折強、抗壓回彈模量、抗折回彈模量隨之增加;在水泥用量不變,隨著乳化瀝青用量的增加相應的呈降低趨勢;礦料級配中粗集料含量增加后,混合料的抗折強和抗折回彈模量有明顯增加,但抗壓強和抗壓回彈模量變化不大。
  5. According to non - newtonian fluid mechanics theory and mathematical method, conbined with plunger moving property, the hypothesize fluid is imcompressive, hydraulic radius of flow of liquid in crevice is very little, and it is laminar flow, the flow is treated fixed continuous flow at every instant position of plunger, equation of motion and boundary condition were set up in condition of concentric and eccentric of pump barrel and plunger

    運用非牛頓流體理論和數理方法,結合抽油泵柱塞運動特點,假設液體為不可壓縮的,液體在縫隙中流動的水半徑很小,呈層流流動,柱塞在每一位置的瞬間,流動做定常流處理,建立了泵筒與柱塞同心和偏心兩種情況下運動方程和邊界條件,引入無量綱坐、無量綱速和柱塞與泵筒偏心配合的縫隙高,並給出縫隙流流速、流量的解析解。
  6. Inertial frame in special relativity, spacetime, lorentz transformation, lorentz contraction, time dilation, velocity transformation, relativistic optics, relativistic particle mechanics, relativistic and electromagnetism

    特殊相對論之慣性座空、勞倫茲變換、勞倫茲收縮、間延伸速變換、相對論光、相對論質點、相對論電磁
  7. This is the second bifurcation of the rotor, leading to low frequency movement at about 1 / 6 rotary speed. ( 3 ) in the third part of the paper, we focus on how to establish a rotor model with multi. span and multi. disk including main linear and nonlinear stimulations on the rotors system. the rules for establishing this kind of rotors model are put forward at the beginning of this part

    ( 3 )提出了轉子大系統的理論建模準則,考慮非線性油膜、聯軸節剛高等因素的影響,建立了一個16dof兩跨四盤四支撐不平衡彈性轉子模型,並提出了大型汽輪發電機組全軸系的48dof理論模型,建立了考慮陀螺效應的復數形式的非線性動模型。
  8. Contents of re have an effect on the tensile mechanical properties at high temperature to some degree. proper amount of re can improve b & 0. 2 apparently and 5 a little, because re can form compounds of good thermal stability with magnesium, which can be effectively strengthened by heat treatment

    試樣中稀土的含量影響試樣的性能指_ b (抗拉強) 、 _ ( 0 . 2 )和延伸率:適量的稀土可顯著提高_ b 、 _ ( 0 . 2 ) ,並一定程上提高其延伸率,這是因為稀土與鎂可形成本身熱穩定性非常好的化合物,並且可效強化。
  9. The contents of this theory are divided into six parts, they are : ( 1 ) self - organized criticality, transient chaos, the edge of chaos and weak chaos ; ( 2 ) the coupling and interactions as well as the coherence and cooperation of multicomponents ; ( 3 ) the fractal dynamics of evolutionary processes ; ( 4 ) the spatio - temporal structures of processes ; ( 5 ) the dynamics of fractal growth ; ( 6 ) the theory of finite - size scaling

    將上述命題演繹和整合成一種廣泛適用於地質系統的地球科的復雜性理論,名之為: 「地質作用的自組織臨界過程動? ?地質系統在混沌邊緣分形生長」 ,並將其內容歸納成6部分: ( 1 )自組織臨界性、瞬態混沌、混沌邊緣和弱混沌, ( 2 )多組分的耦合與相互作用及其相干與協同, ( 3 )演化過程的分形動, ( 4 )作用的空結構, ( 5 )分形生長動, ( 6 )有限大小理論。
  10. After a careful comparison we found : ( 1 ) rotating the coordinate system around the z - axis for each event is necessary for the relaxation of the correlation between thrust ( or sphericity ) major - minor frame and the direction of the first hard gluon emission. ( 2 ) the horizontal factorial moments ( hfm ) are equivalent to the vertical ones ( vfm ) only after cumulant - variable transformation. therefore, in the study of nonlinear phenomena in high energy collisions the hfm can be used only in combination with the cumulant variables

    工jlnfy4ww ; 6系與發射第一個硬膠子之間的關聯效應,從而觀察到全部強的動起伏;證明了:只有在引入累積變量以後,橫向矩才等於縱向矩,從而也才等效于幾率矩,困而只有在這,橫向矩才能被使用;論證了:對eb對撞末態粒子系統動起伏的研究只能在全相空間進行,而不能用限定的相空間,因而只能採用丟掉最初的一個或幾個點的方法消除動量守恆對相空間特性的影響。
  11. Firstly this paper summarized relational literatures on the way of basic theory, study method and conception ; secondly this paper analysed the actuality of allocation for higher schools " s s & t resource according to year 1995 - 2000 < usts > and < ' 00 national r & d resource check data >. then this paper evaluated the allocation actuality by the method of ahp and dea on the directly in - output efficiency and relatively efficiency according t o above analysing. finally this paper optimized the allocation structure by the method of sd. and brought forward the standard of optimizing allocation according to the speciality of s & t resource, and that this paper relevant countermeasures, and offered the decision - making gist for government department

    本論文首先對相關文獻從基礎理論、研究方法和概念方面進行了綜述;其次依據1995 - 2000年教育部每年的《高等校科技統計資料匯編》 ,以及《 2000年全國r & d清查數據》 ,對河北省高校科技資源配置的現狀,從規模、結構方面,重點對人資源、財資源,分別運用層次分析、 dea等方法,從直接投入產出效率和相對效率角,對配置現狀進行了分析評價;最後根據科技資源配置的特點和基礎理論提出了優化配置的準,同運用系統動方法對配置結構進行了優化,而且提出了相應的對策,為決策部門提供了可以參考的決策依據。
  12. The main results are as follows : 1. dynamical behavior in coupled map lattices with regular topology are investigated by using lyapunov componet. 2. dynamical behavior in coupled map lattice with scale - free topology are investigated in detail. our strategy is to apply three feedback control methods, including constant feedback and two types of time - delayed feedback, to a small fraction of network nodes to reach desired synchronous state

    本論文正是對具有無拓撲結構的耦合映象格子的動行為進行了研究,主要內容和創新點如下: 1 .利用lyapunov指數對具有規則網路結構的耦合映象格子系統的動行為進行研究; 2 .對具有無網路結構的耦合映象格子系統的動行為進行了詳細研究;為了使系統達到同步,我們的策略是應用三種反饋方法(常數反饋和兩種延反饋)對系統的部分節點進行控制以達到我們期望的狀態。
  13. With different clearance value, displacement curves and velocity curves of generalized coordinates as well as slider displacement error curves in a motion period are obtained. these curves are discussed. results show that if manufacturing cost is kept invariableness, in order to improve precision of mould - cuting, fitting precision of joint connecting the crank and coupler has priority to be considered to increase

    採用四階rong - kuta法求解連續接觸模型的動方程,得到了一個運動周期內運動副間隙取不同值,各廣義坐的位移、速曲線和滑塊位移誤差曲線,並通過曲線分析,得出了要提高模切機主切機構精,在相同加工成本條件下,應優先考慮提高曲柄與連桿鉸接處的配合精的結論。
  14. This paper gave the following conclusions ? ational curriculum standards are necessary and important for keeping the quality and level of curriculums and instructions in national wide ; national curriculum standards should face the whole country and possess the quality for generalization, and meanwhile, it should allow the multiplicity and flexibility in order to have the certain function and practical significance ; national curriculum standards should have the core framework or the themes which has the quality for instruction and manipulation ; during the development of the standards, it is important to make cooperation with the government educational department, professional groups, teachers, etc. in order to improve the quality of the standards and their acceptance of the standards ; the implementation of national curriculum standards is an up - down transition and the effective interactions among all the stages are very important

    本文認為國家課程準對于在全國范圍內維持課程與教的水平和質量是必要的和重要的;國家課程準必須面向全國,具有可以普遍推廣或應用的性質或價值,同又要允許多樣性與靈活性的存在,才能具有較為確定的作用和實踐意義;國家課程準要有確定的核心框架或主題內容,要注意其指導性與可操作性;在國家課程準研製中,要注意政府教育主管部門、專業團體、教師等的多方合作與協同努,提高準研製的質量與準的認同程;國家課程準的應用過程,有一個自上而下的轉換過程,因此,各層面的工作的有效轉化與互動相當重要。
  15. Reviewing and summarizing the existence theory for maintenance time decision, their shortcomings are analyzed, in which the economic factor is considered more than the safety factor. so in this paper from the point of security and risk cost the natural usage limit state reliability index is put forward as the maintenance time decision rule. the right bank section of danjiangkou dam of the south - north water transfer project ( snwtp ) as an example is analyzed to decision the maintenance time

    另外,回顧現有結構維護間決策的準則問題,一般是偏向于從工程經濟角考慮問題,而對結構使用的安全性考慮的較少,針對上述決策準則的不足之處,本文從工程的角出發,綜合考慮了結構的安全性和風險,提出了以正常使用極限狀態的可靠指作為維護間的決策準則,並以南水北調工程丹江口水利樞紐的右聯混凝土壩為例進行了維護間的決策分析。
  16. On the basis of above experiments, the chemical kinetic model inwhich organic matter of source rock of deep - formation in the north of songliao basin primarily crack into oil or gas is established, which set up a basis for evaluating oil - generating amount, gas - generating amount of source rock of deep formation in different periods ; set up the chemical kinetic model inwhich different qualities of oil and family constituents in oil secondarily cracked into gas, which provide theoretical foundation and practical methods for dynamic evaluation of gas - generating amount and oil - consuming amount in process of oil cracking. the geochemical features of source rocks in deep - formation of basins are systematically evaluated

    在上述實驗基礎上,建立了松遼盆地北部深層源巖有機質初次裂解成油、成氣的化模型,為評價深層源巖于不同期的生油量、生氣量奠定了基礎;建立了不同性質原油及原油中各族組分二次裂解成氣的化模型,為動態評價油裂解過程的成氣量和耗油量提供了理論依據和實用方法;對盆地深層源巖的地化特徵進行了系統評價;考慮到深層源巖的成熟較高,實測地化指(殘余有機碳、氫指數等)不能客觀反映源巖有機質的原始豐和原始生烴潛
  17. On the basis of displacement - time series of the slope, a nonlinear dynamic model is set up according to backus generalized linear inversion theory in this paper. due to the equivalence beween autonomous gradient system and catastrophe model, a standard cusp catastrophe model can be obtained through variable substitution. the method is used in analysis of displacement data of huangci landslide and wolongsi landslide and in understanding how slopes evolve before sliding. the result shows that the nonlinear dynamic model can make satisfactory prediction result. is it most important that there is a sudden fall of d, which indicates the occurrence of catastrophe ( when d = 0 )

    研究表明,滑坡變形失穩過程具有混沌和分維特性,可以用分形理論來研究滑坡預測問題,基於對任一連續函數,至少在較小的鄰域內可以用多項式任意逼近的數理論,運用改進的backus廣義線性反演理論,以斜坡位移間序列為基礎,反演了斜坡演化的非線性動模型。並利用自治梯系統與突變模型的等價性,通過變量代換得到準的尖點突變模型。
  18. The first part : based on formed and basic concepts of exploratory experiment teaching, physics teaching goals of middle school and functions of exploratory experiments, we have defined the exploratory physical experiment of the middle school, compared exploratory physics experiment and traditional experiments, proceeded from the teaching theory and studying theory, expound the fact that the theory foundation of the exploratory physics : j. piaget " s cognition - development theory, bruner " s cognition - discovery theory and constructionism, combining the teaching goals of middle school experiments, gived the teaching goals of exploratory physics experiment : observation ability, thinking ability, operating ability goal and emotion attitude goal, and explained each goal concretely so that the exploratory physics experiment has an object in view

    論文第一部分根據探索性實驗教思想的形成和發展的基本觀點、中物理實驗的教以及探索性實驗的功能,對中物理探索性實驗作了界定,並對探索性物理實驗與傳統實驗進行比較,並從教育理論和習理論出發,論述探索性物理實驗的理論指導依據:皮亞傑的認知?發展說、布魯納的認知?發現說以及建構主義的習理論,同結合中物理實驗的教探討了探索性物理實驗的教:觀察能、思維能、操作能和情感態,並且具體外化每個目,以使探索性物理實驗有的放矢。
  19. The data of article roots in the enterprise which i worked in such as the tenth research institute of telecommunications technology of mii, datang telecom company, datong information technique company limited, shaanxi province post office and tongchuan city post office. in this article, i put forward the property right of human capital, analyzed the benefit and venture of human capital investment. and the article designed a three - dimensional model for the special human capital ( the leader of modern enterprise )

    本文研究資料基於本人所在的企業,諸如:信息產業部電信科技術第十研究所、大唐電信公司、大通圖文信息技術有限責任公司、陜西省郵政局、銅川市郵政局等企業的信息技術推進和信息化建設的實證;提出了人資本的產權關系,人資本投資的效益和風險分析,並為現代企業領導人這個特殊人資本設計了的素質三維概念,同也擬定了信息技術影響下的人資本準,提出了人才再擇業的問題和企業如何降低人資本投資風險的辦法。
  20. From chapter 4 to chapterl 1, a serial of comparable methods were adapted to analyze the obtained results in chapter 2 and chapter 3, in order to describe quantitatively the changing of engineering geological environmental factors with time and space that is induced by different wave loading action, including reaction of topo and morphologic features to hydraulic condition, reaction of grain size and mineral composition to it and reaction of static and dynamic mechanical index to it

    在此基礎上,針對現場和室內實驗取得的結果資料,採用一系列統計分析方法,定量描述水動作用導致的黃河口典型研究區工程地質環境要素隨間和空間的變化,包括形貌特徵對水動條件響應、沉積物的粒與礦物成分及結構對水動條件的響應、沉積物的靜與動對水動條件的響應。
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