principle stress 中文意思是什麼

principle stress 解釋
主應力
  • principle : n. 1. 原理，原則。2. 主義；政策；〈常 pl. 〉道義；節操。3. 本質，本體，根源；本原，源泉。4. 本性，本能；天然的性能；天賦的才能；動因，素因。5. 【化學】素，要素；精。
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  1. The frozen coal destruction is the tension stress destroys, and establish the frozen coal cutting model in this foundation, obtains the cutting force, feeding force, tooth spacing according to the smallest energy principle. bring forward a rotary drilling mothod to unload the frozen coal, the broken ability is strong, without frozen depth limits, then obtains this machine working parameters, has combined this method with a grab and determined the plane of vehicle - carried rotary drilling movable coal - unloader

    凍煤破壞是拉應力破壞，在此基礎上建立了凍煤的切削模型，根據最小能量原理得到截割力，進給力和截齒間距的計算公式，分析得到截割力與切削厚度成正比，隨著前角的增大而減小;截齒最優截距與截齒尺寸有關且與切屑厚度成正比;進給力隨著截齒前角增大而增大的規律。
  2. It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium

    根據條形藥包爆破應力波分佈特徵及衰減規律，提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法：建立了理想的完全彈性介質中球藥包和條形藥包爆破徑向應力衰減方程。
  3. Objective : finite element method and photoelastic experiment were used to study the principle of stress and strain on knee joint from genu varum 30 degree to genu valgum 30 degree. biomechanics proofs were provided about it ' s bad effects and treatment on clinical

    目的：本課題採用有限元和光彈性的實驗方法，研究膝關節由內翻30至外翻30之間的應力應變規律，為全面了解膝內、外翻所產生的不良後果和臨床治療該病提供生物力學依據。
  4. The original orientation ( i. e. the mol with respect to the geographical north ) of the core in the formation can be obtained by palaeomagnetic orientation tests. the two results are combined to define the direction of the maximum principle stress of the well or field

    該方法根據差應變分析（ dsa ）實驗確定地應力相對于巖心標志線的方向，利用古地磁方法確定巖心標志線相對于現代地理北極的方位，兩者結合確定地應力方向。
  5. They are the following : the transformation of functions and the scarification of aims, which play a great part in the achievement of the office task ; the focuy of polity, study union and coordination, and the stress of principle efficiency honesty and service ; the promotion of the service and results ; the realization of the office automation, the construction of incept, contingent, software and hard wore are the prerequisites for the office automation

    這「四講」與「四重」分別是講政治，重學習；講團結，重協調；講原則，重實效；講廉潔，重服務。三是提高服務的質量和績效。這里在給出衡量質量與績效有關方法的基礎上，提出了如何有效提高服務質量與績效的措施；四是逐步實現辦公自動化。
  6. Eating out in restaurants is low stress, too, since many of the largest work on the principle of a vast bank of fish tanks full of live fish and shellfish ( as well as sea snakes ), glass boxes full of doom - laden chickens and, on occasion, cages of miserable, jaw - clamped alligators, as well as simpler dishes whose raw ingredients are already assembled and then cling - filmed, or cold dim sum piled high ready for steaming

    外出去餐館就餐也不用擔心，因為許多大餐館的經營之道是，在店裡陳列裝滿新鮮魚和貝類（以及海蛇）的巨大魚缸，以及裝著雞的玻璃箱子，偶爾還有可憐的、嘴巴被夾住的鱷魚的籠子，以及放著原材料、然後覆上食品薄膜的簡單菜品樣盤，或是堆得高高的、等待上籠蒸熟的冷糕點。
  7. According to the minimum principle in energy, we analyze the microcosmic mechanism of magnetic domain construction and the main factor that affect the shape, size and connecting of the magnetic domain etc. from the microcosmic mechanism of ferromagnet, we analyze how stress influence the magnetic domain and magnetic domain wall, and discover the increase of stress energy and magnetism elasticity energy which destroy the balance of system energy make up the influence of magnetic domain structure, then set up basic disciplinarian between stress and characteristic of magnetism

    同時根據能量最小原理，從理論上分析了磁疇結構存在的微觀機理以及影響磁疇結構運動、變化的主要因素，得出了應力的存在將影響磁疇的形狀、大小和搭配方式等結論。從鐵磁晶體的微觀機理出發，研究了應力對磁疇和磁疇壁的影響，發現應力影響磁疇結構的本質是由於應力的作用使得鐵磁晶體增加了應力能和磁彈性能，體系為了達到新的平衡，導致了磁疇結構變化，並研究了應力與鐵磁晶體磁特性之間的基本規律。
  8. The test results of inserted foundation with shear fastening apparatus showed that the interaction betwe en bond stress and shear fastening apparatus is very great, however, they could n ' t be superposed in principle

    在帶有承剪連接件的插入角鋼上進行試驗結果表明：粘著應力與承剪連接件的受力存在很大的附加作用，但是，在原則上不允許進行組合疊加。
  9. Thus the time - stress equivalence principle provides an accelerated characterization technique to evaluate the long - term creep properties of plastic geogrids

    時間應力等效原理適用於對塑料土工格柵長期蠕變性能進行加速表徵。
  10. Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  11. Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    文摘:基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  12. The essay deeply analyzes the elementary theory of the developing teacher - assess system and points out its intrinsic essence and basic principle, goes into the base in theory which consists of 5 respects and finally makes the comparison between the developing teacher assess and present - day teacher assess. the developing teacher assess system, with the purpose of the promotion, is a kind of formative evaluation which is based on the aim, stresses the process and the timely feedback. it does not consider the result of the assess as the base of prize or reproach. its direction is to face the future, its aim is to promote the all - round development of all staffs, its function is centered on the lead - in, inspiration, development, and its means is the formative teacher evaluation. it pays special attention to the desire of teachers and esteem the requirement of teachers as its motive and power of the assessment. however, the present teacher assess is the closed - ending one whose feature is mainly to stress the daily performance before the evaluation and accordingly judge whether they possess the conditions of being rewarded or reproached

    其方向? ?面對未來，目的? ?促進全體教師的發展，功能? ?導向、激勵、發展為主，方式? ?形成性的教師評價制度，在啟動方式上注重教師自己的成就期望，把教師的需要當作評價的動機和力量。而現行的教師評價是終結性評價，其特點主要是面向過去，特別注重教師在評價前的工作表現，並根據教師的工作表現，判斷他們是否已經具備獎勵或處罰的條件。為了全面了解現行教師評價制度存在的問題，做到有的放矢，本研究對濟南市156名高中教師進行了調查，通過分析反映出以下問題： 1 、大多數教師對教師評價認識不清，引不起全體教師的共鳴，容易走過場。
  13. This paper mainly aims at the strategic demands for large - aperture lightweight mirror proposed by high - tech development. its main research contents are : select material blank for lightweight mirror according to physical and chemical properties of optical glass ; analyze and calculate the deformation quantity of the mirror with finite element method ; design and optimize mirror body structure of 400 lightweight plane mirror and 450 lightweight spherical mirror, analyze glass cutting principle, design specisl - use grinding wheel structure, select reasonable technological parameters to implement the processing of weight reduction holes on 400 plane mirror ; analyze etching mechanism of hydrofluoric acid, look for the technological parameters such as the optimal acid concentration and etching time etc. ; eliminate the stress of weight reduction holes and micro - cracks on 400 lightweight plane mirror ; discuss the processing principle and

    本論文的研究主要是瞄準國家高技術對大口徑輕型鏡的戰略需求而開展的。主要研究內容是：根據光學玻璃的物理與化學性能，選擇輕型鏡坯材料；用有限元法對鏡子的變形進行分析、計算，找出變形規律，優化設計400mm輕型平面鏡、 450mm輕型球面鏡鏡體結構；分析玻璃切削原理，設計專用磨輪結構，選擇合理工藝技術參數，完成400mm平面鏡輕量化減重孔的加工；分析氫氟酸腐蝕光學玻璃機理，尋找最佳酸濃度、腐蝕作用時間等工藝參數，實現400mm平面鏡減重孔應力與微裂紋的消除；討論分離器加工原理和工藝技術特點，完成400mm平面輕型鏡面形加工。
  14. With the increase of lateral pressure modulus, the magnitude of principal stress decreases and the direction of it is hardly changeable ; with the increase of the angle between the direction of the maximal horizontal principal stress on magnitude and the fault bearing, the magnitude of principal stress increase and its direction can hardly change ; with the increase of the elastic modulus of rocks, the magnitude of principal stress increases and the direction changes more ; with the increase of pr, the magnitude of principal stress decreases and the direction changes more ; with the increase of lateral pressure modulus, the principal stress at hance, the tress at topmost arch, bottom arch and principal stress at lateral arch decreases, with the increase of the depth of tunnel, the stress of surrounding rock also increases, and the poorer the quality of surrounding rock is, the little its principle stress is

    分析得出，隨著側壓力系數的增大，主應力量值減小，主應力方位難改變；隨著與斷層走向的夾角增大，主應力量值增大，應力方向難改變：隨著巖石的彈性模量的增大，主應力量值增大，方向變化越大；隨著泊松比的增大，主應力量值減小，方位變化越大。隨著側壓力系數的增大，頂、底拱處的各應力值增大，拱腰處的主應力減小，剪應力增大，側拱處的各主應力減小，同一側壓力系數的條件下圍巖質量越差，各應力值也越小；隨著洞室埋深的增加，圍巖壓力也增大，圍巖質量越差，其應力值也減小。
  15. Results : with the loss of the alveolar height, the maximum equivalent stress and the principle stress of the upper central incisor periodontium increased

    結果：隨著牙槽骨高度的降低，上中切牙牙周膜最大等效應力和主應力逐漸增大。
  16. ( 5 ) conclusion was obtained by the analyzing and studying the mechanics environment of the rock mass and the landslide on right bank : according to the analysis, the present direction of the maximal principle stress was consistent with the present tectonic stress field, the value of the principle stress increased or reduced in special place, and there was tensile stress region at the 2000m or above it on the left bank, the accumulate and adjustment was very limited in 200 years, the calculated result of the landslide indicated that the landslide on the right bank was stable under the various conditions

    （ 5 ）壩址區河谷巖體力學環境及右岸古滑坡體的穩定問題分析得出：河谷巖體應力場的分析顯示，河谷巖體中主應力的方向基本上與現今區域構造應力場的方向一致，在一些特殊地帶巖體的主應力值有所降低或增高，特別是在左岸的2000m高程附近及以上，存在有明顯張應力區。在未來200年流變計算時步范圍內，河谷巖體應力的積累與調整較為有限。同時對滑坡體各種工況條件下的穩定性計算結果表明，右岸古滑坡體在各種工況條件下是處于穩定狀態的。
  17. The surface of natural fracture ( crack ) is parallel to the orientation of maximum principal stress. the principle orientation of anisotropic permeability reservoirs agrees with the orientation of the maximum principle stress. many engineering problems ( e. g. bore - hole stability, casing deformation failure during drilling, reasonable arrangement of wells, the optimum design of hydraulic fracture and so on ) are influenced by the in - situ stress orientation

    天然裂縫面和裂隙面與最大主應力方向平行；在各向異性低滲透率油田中主滲透率方向與最大水平主應力方向趨向一致：在鉆井過程中井壁穩定性，套管變形和損壞，油田開發井網合理布置、水力壓裂優化設計等都與地應力方向有關。
  18. In this paper, molecular dynamics simulation is carried on the nanometric cutting of defect - free monocrystalline silicon. based on simulations, a reasonable explanation is given to the forming mechanism of chip and surface machined in the cutting process of monocrystalline silicon. moreover, the feasibility of brittle - ductile transition of monocrystalline silion is studied with the method of first principle stress

    對內部無缺陷的單晶硅的納米切削過程進行了分子動力學模擬.通過模擬結果，對單晶硅納米切削中的切屑形成過程和加工表面的形成過程做出了合理的解釋.並用第一原理應力計算方法對單晶硅納米切削過程中的脆塑轉變的可行性進行了研究
  19. The model can reflect the multi - sets feature of the rock masses in practice, consider the influence of the joint orientation and strength to the rock masses deformation feature, and simulate the simultaneous sliding, tension and close behaviors of the multi - sets jointed rock masses extending the joint surface, and reflect the plastic deformation induced the rotation of the principle stress axes. the result can be extended to fractured rock masses with arbitrary set joints

    該模型能反映實際工程中巖體的成組節理特性，考慮節理產狀和強度對巖體變形特性的影響，可用來模擬巖體中多組節理同時存在滑動、張開、閉合的行為，並能反應由於應力主軸旋轉所產生的塑性變形的影響。
  20. The soil ' s stress path has important effects on the retaining wall ' s lateral deformation and the soil ' s deformation during the excavation of foundation pit. an experiment simulating the soil ' s stress path behind the wall has been carried out with the stress - controlled triaxial instrument. the principle stress ratio keeps constant during consolidation and the soil samples are permitted to drain during unloading process

    利用應力式三軸儀對基坑開挖過程中圍護結構后側土體變形影響較大的因素：土體的應力路徑進行了試驗模擬，試驗是在等主應力比固結后側向卸荷而軸壓不變的排水情況下進行的。
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