重復變動應力 的英文怎麼說

中文拼音 [zhòngbiàndòngyīng]
重復變動應力 英文
repeated varying stress
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : Ⅰ形容詞1 (重復) repeated; double; duplicate 2 (繁復) complex; compound Ⅱ動詞1 (轉過去或轉過...
  • : 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...
  • 重復 : 1 repeat; duplicate; reduplicate; iterate 2 repetition; reiteration; gemination; rerun; duplicati...
  1. Apply computer chip to control the circuit ; omron opto - elecrtonic control - ler and panasonic and mitsubishi inverter have stable performance, high precision, rapid reaction and long life - span ; the controlling plate applies tactile operation board which is handled easily ; vertical structural screen is easy to adjust the vertical printing pressure so as to ensure the quality of printing ; the frame lift is driven by electrical motor and installed with imported linear guide rails, of which the speed - adjust device, scraper and scraping blade can be adjusted within15 to 45 and can be set for many times so as to repeatedly printing with good precision and output, the flat bed is made of 2mm stain - less steel plates which are flat, smooth and indeformable ; it is also equiped with micromatic setting device in order to ensure the precision of multi - color overprint and auto air - intake device to ensure strong adsorption

    採用電腦板控制電路,歐姆龍光電控制器,松下,三菱頻器,行直穩定.精度高,反快,壽命長,控制面板採用觸摸式操作面板,操作方便,六式結構型網版垂直升降印刷壓可調保證印刷質量,機架升降採用電機驅安裝進口直線導軌,刮刀、回墨刀可在15一45角調整,可設置多次,印刷保證產品精度.平臺板採用2毫米不銹鋼板製作,平整光滑不形配有微調裝置,確保多色套印精度,配自吸氣裝置,確保強有的吸附。
  2. Relating closely to the main problem of the high sidewall and wide span underground cavities excavation stability of xiluodu hydroelectric project, the evolution characters of geo - stress field in deep - cutting gorge and the whole features of the stress field, strain field and plastic failure zone around the underground chambers after excavation are studied systematically in the dissertation, based on a great deal of data gathered in field investigation and taking the flac3d v2. 0 software as basic computation tools. meanwhile, in the course of research, the new methods of dynamic numerical simulation are summarized and applied. furthermore, the effects of rock mass qualities, initial geo - stress field and excavation procedure on surrounding rock mass stability are discussed

    本文緊密結合溪洛渡水電工程大跨度、高邊墻雜地下廠房洞室群,施工開挖過程中和開挖后圍巖穩定性研究這一大課題,在詳盡的野外地質調查工作和對大量基礎地質資料的整理與分析基礎上,以目前國際工程地質界公認的最新通用軟體flac ~ ( 3d ) 2 . 0版作為基本計算工具,從整個壩區地場的研究開始,通過態數值模擬分析這一新的模擬思路,系統地研究了深切峽谷區地場多階段的特徵和演規律,進而對左、右岸地下廠房洞室群開挖全過程中圍巖場、形場和塑性破壞區的化特徵,進行了全過程態數值模擬研究,並詳細討論了圍巖質量、初始地場、施工開挖順序對大型地下洞室群圍巖穩定性的影響。
  3. This paper, in the light of the special geological environment and actual project situation of the three gorges reservoir area, puts forward a comprehensive analysis and evaluation system suitable for the stability analysis of the bank landslide of the three gorges reservoir area under the premise of thorough consideration of the water influence on the stability of the bank landslide, and obtains the following achievements in several aspects that have the practical application significance and certain scientific research value : ( 1 ) it is discovered that the water activity is the primary factor of the formation of the new landslide and the revival of the ancient landslide. on the one hand, the rising underwater level reduces the actual stress of landslide ; on the other hand, the long time soaking of the underwater reduces the mechanics intensity of the landslide and the slide belt, both of which reduce directly the landslide stability ; ( 2 ) in view of the special condition of the three gorges reservoir area, this paper analyzes systematically the forces acted on the landslide of the three gorges reservoir area and the force varieties acted on the divided landslide when the water level changes between 175 meters and 145 meters. thus it is more scientific and comprehensive for the analysis of the forces acted on the landslide ; ( 3 ) this paper summaries systematically 10 kinds of typical computation projects by organic combinations of different kinds of situations in the dry season ( nature statue ), rainy season ( rainstorm or rains for a long time condition ), with 175m water level in the reservoir, during the earthquake, with the water level of the reservoir adjusted from 175m to 145m and so on, and produces

    本文針對長江三峽庫區特殊的地質環境與工程實際情況,在充分考慮水對庫岸滑體穩定性影響的前提下,提出了一個適用於長江三峽庫岸滑坡體穩定性分析的綜合分析評價體系,並取得了如下幾個方面具有工程實際意義和一定科學研究價值的研究成果: ( 1 )研究結果發現,水的活是新滑坡形成或古滑坡活的主要因素,一方面是由於地下水位升高降低了滑坡體的有效,另一方面是由於地下水的長期浸泡降低滑體及滑帶的學強度,這兩方面的因素均將直接降低滑坡的穩定性; ( 2 )針對三峽庫區的特殊條件,系統分析了作用於三峽庫區滑坡體上的系和庫水位在175m與145m間化時滑體條塊的受化,從而使對作用於滑坡體上的系分析更科學、更全面; ( 3 )通過對滑體處于旱季(天然狀態) 、雨季(暴雨或長期降雨狀態) 、 175m庫水位、地震以及庫水位由175m調節下降至145m等各種不同情況的有機組合,本文系統地歸納總結出了10種典型計算工況,並具體給出了相的作用荷載的計算方法,使在庫區岸坡滑體穩定性分析評價時對計算工況選擇及其作用荷載的計算更具規范性; ( 4 )具體運用c + + builder開發了關于滑坡體穩定性綜合分析評價系統,使對滑坡體穩定性分析計算更方便、更準確; ( 5 )將上述滑坡體穩定性綜合分析評價系統用於慶市豐都縣名山滑坡穩定性分析的具體事例中,分析結果表明,本文所提出滑坡體穩定性綜合分析評價方法對三峽庫區的滑坡穩定性分析是實用可行的。
  4. And it investigates the appearance condition ( including joint, crack, eroding, corrosion, braking pole device rupture, crane - girder ' s gnawing railway and so on ) of the whole crane - girder system on the spot, at the same time, it also actually examines the stress of the beam, chemical ingredient, distortion and railway excursion, etc. through sampling, and based on the actually examined results, it checks and calculates the carrying capacity of crane - girder system. then, based on the investigating on the spot and the calculated result, it discusses the mechanism of fatigue failure of the upper part of welded steel crane - girder, analyses the reason of steel crane - girder in the high - frequency emerging the fatigue crack, institutes the strengthened method of damaged steel crane - girder of accurate packing up workshop of the primary mill plant. finally, it presents some advice and suggestions for the repairing and strengthening method of fatigue crack of upper part of steel crane - girder in the high - frequency

    針對包鋼初軋廠精整車間鋼吊車樑上部區域出現裂縫這一問題,本文首先綜述了國內外關于焊接鋼吊車樑上部區域疲勞裂縫的研究現狀;其次對整個吊車梁系統的外觀情況(包括連接、裂縫、腐蝕、銹蝕、制桿件斷裂、吊車啃軌等)進行了現場調查,抽樣實測了梁的、化學成分、形及軌道偏移等,根據實測結果,對吊車梁系統的承載能進行了驗算;然後,根據現場調查及計算結果,探討了焊接鋼吊車樑上部區域疲勞破壞的機理,分析了級工作制鋼吊車梁出現疲勞裂縫的原因,制定了初軋廠精整車間破損鋼吊車梁的加固方案;最後就級工作制鋼吊車樑上部區域出現疲勞裂縫的修與加固方案提出了一些意見和建議。
  5. There are a variety of mechanisms believed to be involved, including genomic modularity - - the ability for animals to reorganize their genome in response to stress or other outside influence, heterozygous fractionation ( heterozygous genes in parents can lead to speciation by having multiple homozygous genes in children ), and standard evolution

    認為涉及很雜的化機制-組基因組響或其它外在影響的能(雙親基因雜交會導致孩子們擁有許多純合子基因的物種形成) ,而標準地進化。
  6. However, it is too expensive in investment, complex in experimental techniques, difficult and dangerous in performance. in this paper to overcome these drawbacks, the similarity relations together with a new method and its principle of experiment have been developed based on the model theory of structural similarity. according to this principle, the total stress ; an be obtained as a sum of the stresses due to weight and external loading, which based on only one model experiment without any gravitational loading

    最後,針對外載與自共同作用下,傳統光彈性分析法中採用離心場模擬場獲得自的試驗投資耗費大、技術雜且難度大和不安全等嚴缺點,按照結構相似的模型理論,本文提出模型外載與自並存外載的光彈性分析法,導出處理這個問題具體的相似律和試驗原理及方法,進行了典型實驗驗證,指出僅用外載作用的模型試驗,即不用離心場模擬場的模擬試驗,就可以獲得上述兩種載荷共同作用下的分析結果。
  7. The main body of the dissertation is from the second section ( the first chapter ) to the fifth section ( the fourth chapter ), which firstly discusses the evolvement of american economic recovery policy toward japan and argues that the economic recovery policy toward japan was the inevitable result which the united states pursued her global containment strategies, with the changes of the international situation and the economic conditions in japan, the u. s. regarded japan " s accession to gatt gradually as the most important objective of the economic recovery policy toward japan ; secondly explains in detail that the u. s. fought up against the old guard in congress persistently in order to win the authorization from reciprocal trade agreements act ( rtaa ) so as to conduct the crucial tariff negotiations with japan, and emphasizes mainly that the executive had to seek for the balance between the national interest and oversea interest because of the strong forces of the domestic protectionism group, but made efforts to make foreign economic policy which is favourable to the latter because of the need of the cold war strategies ; thirdly analyzes the basic contents of u. s. - japanese tariff negotiations briefly and summarizes the results of the negotiations, and considers that under a large number of concession which the u. s. made in the negotiations, the japanese could change american political and strategical interest into the japanese trade interest and became the main winner ; fourthly researches mainly british diplomatic policy towards japan " s accession to gatt and american reaction to the policy and influence on it, and american roles in

    第二部分(第一章)至第五部分(第四章)是論文的主體部分,首先論述美國對日經濟興政策的演歷程,提出美國對日本的經濟興政策是美國推行全球冷戰戰略的必然結果,隨著國際形勢和日本經濟狀況的化,美國逐漸將推日本入關視為對日經濟興政策的最要目標;其次詳細闡述為了獲得《互惠貿易協定法》的授權,以便與日本進行要的關稅談判,美國政府和國會保守派持續不斷地作斗爭,點強調,鑒于國內貿易保護主義勢的強大,行政部門不得不尋求國內利益和海外利益的平衡,但同時出於冷戰戰略的考慮,又盡量使對外經濟政策向後者傾斜;第三,扼要分析美日關稅談判的基本內容,並總結關稅談判的結果,認為美國政府在談判中對日本政府所做的大幅度讓步,使得日本人能夠將美國的政治、戰略利益轉化為日本的商貿利益,從而成為談判的最大贏家;第四,點研究英國對日本入關的外交政策和美國對該政策的反、施加的影響,在國際斗爭中美國為日本入關而發揮的作用以及日本人自己做出的努,指出雖然在美國施加的強大壓下,英國政府最終同意日本成為關貿總協定的成員國,但是它依然以國家利益為,對日本援引關貿總協定第35條,不給予其商品最惠國待遇。 」
  8. First of all, i summarize the forecast model category and estimate each model in detail, then, i adopt different model to forecast demand, supply, bdi of bulk shipping market. as to demand forecast, i mainly focus on the imitating precision of primitive data, adopt grey forecast model, self - suited filter model separately, and then compose these models as a better one. as to supply forecast, i use econometrics model to describe the complicated relationship of demand, supply, bdi, gnp etc. as to bdi, i try to draw into market integrated factor, describe the relationship of bdi, supply, capacity, speed, rate of oil, navigating capital etc. then finally, i make afterwards evaluation of these models and then analyze future bulk shipping market in detail

    對于需求預測,著考慮對原始數據的擬合精度,經過模型比較優選論證,分別採用了灰色一階模型,改進的灰色二階、自適過濾預測的加權組合模型,得到了相當高的擬合精度;對于供給預測,運用計量經濟模型對供給、需求、運價、 gnp 、進出口貿易額等多量之間雜的相互關系進行態模擬,定量的反映出各量之間的因果關系;對于運價預測,嘗試引入市場綜合因數概念,化繁為簡,通過描述運價與運供給、載噸、油耗、航速、燃油價格、航行成本等等諸多因素的關系來進行預測。
  9. Depending on how the ground surface is denuded, the feature of the current crustal stress field and rock stress environment can be calculated analyzing the result in this paper : by analyzing the recovering feature of the elastic deformation of the rockmass in unload - stage under various pressures, it has been found there is close relationship between the recovering degree of the elastic deformation of the rockmass and the unloading degree of the pressure the direction of the major principal stress in the crustal stress field is not consistent with the direction of the crushing stress regional tectonics borne during the last tectonic movement. the evolving degree of the regional geomorphology evidently affects the current crustal stress field, which changes from the self - weight stress field to the horizontal stress field, with the changing of the eroding degree of the regional geomorphology ranging from valley area to hilly country to flat country. in valley area, where there is two stress belts, the bankslope s tress belt and the self - weight stress belt within the mountain. the direction of the major principal stress is nearly parallel to the ground surface and inclines towards the valley in the bankslope stress belt. it is nearly vertical in the self - weight stress belt

    通過本文的研究成果,根據區域性地貌的演化特徵,我們可以大致地對現今地場進行判斷:在分級卸荷條件下,巖體中彈性形的恢具有明顯的規律性,這種規律對于研究地場的演是有幫助的;地場中最大主方向與區域構造形跡在最近的構造運中所受區域性擠壓的方向無明顯的對性;區域性地貌形態的演化程度對現今地場的特徵具明顯的影響,隨著區域性地貌侵蝕程度由峽谷區、丘陵區、平原區的化,現今地場特徵由自場、水平場為主含少量自場特徵向水平場的規律化;在峽谷區,山體中具有兩個帶:自帶和卸荷帶,最大主方向在卸荷帶中近平行於坡面並傾向于河谷、在自帶中近於直立;根據原始地面遭剝蝕的程度,可以大致地估算最大主和中間主的量值和方向;在丘陵區和平原區,最大主的方向近於水平,並與附近區域性侵蝕盆地和河流的展布方向基本平行,根據原始地面遭剝蝕的程度,可以大致估算其最大主的量值;根據區域性地貌形態的特徵來分析工程區的現今地場特徵,並進而大致了解巖石的環境,這種分析方法得出的結論與許多實際的地測試成果基本一致,對于大型水電工程地下廠房和壓隧洞的設計是有所幫助的。
  10. It is desirable for all related insiders and outsiders to discern all potential risk in advance. this paper, with the adoption of special treatment resulted from abnormal financial position as the indicator of financial distress, the univariate variable analysis and multiple variable analysis as the research approach and some financial ratios as variable, tries to find an optimal financial distress prediction model of chinese manufacturing listed companies based on public accounting data. our finding demonstrate that five general financial ratios and three ratios concerning the cash flow have better predicting ability, the erroneous classification ratio are low. these five general financial ratios are earning per share, return on net assets, return on gross assets, growth rate of net profits, growth rate of net assets ; the three ratios concerning the cash flow are net cash flows from operating activities per share, net re - earnable cash flows / current liability, net cash flows from operating activities / net profit

    研究結果表明,在單量分析中,每股收益、凈資產收益率、總資產報酬率、凈利潤增長率、凈資產增長率這5個財務比率的錯分率較低、預測能較強;經營活凈現金流量與凈利潤之比、每股經營現金流量、可賺取的現金凈流量與流負債之比這三個現金流量財務比率對于預測上市公司財務困境具有有效性;多量分析中,用費雪判別分析和典則判別分析得到兩個判別模型,在典則判別分析中,用兩種方法確定所建模型的最佳分界點,檢測證明用所得兩個判別模型進行財務困境預測的準確率很高。
  11. Through the static and standard traffic cyclic loads, the responses of the pavement and subgrade have been attained. the studies on these responses such as elastic deformations, accumulative settlements and stress have been made under the changed characters of subgrade, such as moisture content, relative compaction of subgrade. the results of the experiments show that superfluous moisture content increases the vertical stress and the settlements of the construction under the similar relative compaction

    通過靜加載和模擬路面承受的豎向交通荷載的加載試驗,研究了路面路基結構在雙輪車輛荷載作用下的靜態響,分析了路面路基結構在浸水狀態(土層含水量增加)和壓實密度降低等不利因數的影響下,路面路基各結構層的學響特性,如彈性形、累積下沉、土壓等的化規律。
  12. In this paper, the backward simulation was summarizd at home andabroad, the characteristics of shell nosing were introduced, the theory and scheme of backward simul - ation of shell nosing was constructed, the determined methods of the boundary conditions were put forward in backward simulation for the processes of shell nosing

    論述了推矢量控制技術是提高空空導彈性能的核心技術,介紹了常用的三類推矢量裝置,著討論了燃氣舵式和擾流片式推矢裝置的特點、設計方法、性能及其優缺點.在此基礎上,研究了適用於氣/推矢量合控制的結構控制系統及其開關函數的切換條件和飛行控制系統框圖.最後綜述了推矢量裝置在第四代空空導彈上的用情況
  13. It is constructed that radial impact and rubbing dynamics differential equations of the rotor system having the nonlinear rigidity on the unsteady and non - linear oil film. the bifurcation and chaos behavior of impact and rubbing fault rotor system caused by the parameters of nonlinear rigidity, rotor rotating speed, eccentric mass is analyzed, in the numerical value analysis method. the bifurcation diagrams, maximum lyapunov exponent diagrams, poincar maps, phase plane portraits, trajectories of journal center, time - history curve, amplitude spectra diagrams of the rotor motion are used

    ( 2 )建立了具有非線性剛度的轉子系統在非穩態非線性油膜作用下的徑向碰摩學微分方程,並用含高階余項的非線性方程的線性化數值法研究了此類系統響學行為,利用轉子響的分岔圖、最大lyapunov指數曲線、 poincar截面映射、時域波形、相軌線、軸心軌跡、幅值譜等圖形分析了系統響的周期運、擬周期運、倍周期分岔、混沌等運形式的轉化與演過程,點研究了非線性剛度、轉子轉速、偏心質量等系統參數對碰摩故障轉子系統的分岔和混沌行為的影響。
  14. Repetitive control is used to reduce voltage distortion under abrupt load variation or nonlinear loads and attain good quality of the voltage waveform ; current loop is designed to quicken the dynamic response and strengthen the ability of the inverter control

    控制可以抑制逆電源在負載化嚴(空載加到滿載)或者非線性負載條件下的輸出電壓畸,保證輸出波形的質量;電流環用以改善輸出波形的態響特性,提高逆控制的能
  15. In the present experiment studies, an acute traumatic model of lateral cortical impact was employed to study expressive changes of microtubule associated protein - 2 ( map - 2 ), cyclooxygenase - 2 ( cox - 2 ), glial cell line - derived neurotrophic factor ( gdnf ), caspase - 3 mrna and protein after brain injury in rats. immunocytochemical staining, western blotting, nucleic acid in situ hybridization with an oligonucleotide probe and computer image analysis were used to detect the dynamic changes of map - 2 mrna, cox - 2 mrna, gdnf mrna, and caspase - 3 mrna in the cortex after moderate traumatic brain injury ( tbi )

    本實驗從自行設計大鼠腦損傷落體打擊器開始,先行建立了一個便於觀察和施加處理因素、控制性好、性好的物模型,選用30g擊錘從25cm高處下落,沖擊d為355 . 09kpa ,打擊大鼠右頂部,造成中等程度的閉合性腦損傷,從病理形態學、組織超微結構觀察及微管相關蛋白- 2 ( microtubuleassociatedprotein2 , map - 2 ) 、環氧合酶- 2 ( cyclooxygenase2 , cox - 2 ) 、膠質源性神經營養因子( glialcellline - derivedneutrophicfactor , gdnf ) 、 caspase - 3基因及蛋白表達的時間性化,詳盡系統地闡述腦損傷后各指標化的時間規律性及表達差異可能的形成機制。
  16. At present, many fields remain to further research, especially the profound combination of gis technique with ece ( estuarine and coastal engineering ), which should be developed for the purposes as follows : ( 1 ) to serve the huge comprehensive work in changeable natural conditions and difficult construction conditions which takes a long period and covers a large region, e. g. the regulation work of deepwater channel in the yre ( yangtze river estuary ) ( 2 ) to combine the gis with applied numerical model ( 3 ) to study the hydrodynamic processes and characteristics of waves, tidal currents and sediment transport, as well as the affection carried by the regulation work in an estuary ( 4 ) to monitor and to analyze ees ( evolution of erosion and sedimentation ) and the variation of riverbed ( 5 ) to play a role of dynamic supervising of a engineering project

    目前尚有許多有待進一步研究的領域,尤其是以服務于長江口深水航道治理這樣規模大、周期長、影響區域廣、自然條件雜、施工情況多的國家點工程為目的,將gis與專業用數學模型結合,對河口海岸波浪、潮流、泥沙運機制,以及整治工程建築物對其影響的研究,對入海航道沖淤和河勢演的監測分析,對施工進展和工程效果實現「態」監控和管理,尚缺乏同gis技術的深入有效結合。
  17. This paper is devoted to seeking formulas and rules of representation for generating new fractal graphics. the main works are as followed : ( l ) construct new formulas for new fractal aspects after revisited methods for the visualisation of mandelbrot and julia sets based on ifs, we described the other new formulas originating from z z2 + c. including norton and polynomials iterated function, which have integer index instead quadratic index, we also constructed formulas with complex number index. 3 - d dynamical system is discussed then. besides the most widely used sequential visualisation methods, we designed two methods to change the original vectors and get new graphics with special effects

    在對公式指數的推廣中,包括指數為整數的牛頓迭代法和多項式迭代法,還包括指數為數的迭代公式;在離散系統的吸引子生成演算法討論中,將數z向高維空間推廣,點論述了生成了三維離散系統吸引子的收斂條件,實現了此吸引子對的三維空間向量在平面上的投影圖的條件;還討論了迭代前對初值點進行兩種不同換對得到的分形圖形的影響,以及這兩種換組合圖形的生成。
  18. To use the dynamic mesh model, it is necessary to provide a starting volume mesh and the description of the motion of any moving zones in the model. this paper describes the motion using a c program, a user - defined function ( udf ), to calculate the linear and angular velocities from the force balance on the store

    與此相映,態網格計算技術是最近兩年計算流體學最新發展成熟的大成果,並且在先進的cfd計算軟體中得到了實際的用,開始為計算飛機投彈之類雜相對運造成的時流場等領域提供了實際可行的工程方法。
  19. Grid generation is a pivotal technology of cfd ( computational fluid dynamics ). follow the complication of problem in cfd field, the grid generation technology has developed in two ways : in the first place, it improved grid generation method to adopt the increasingly complicated figuration ; on the other hand, it developed new methods to deal with the problem including fluctuant surface, such as multi - body separation problem etc. among this ways, the overlap grid technology is a vive research aspect

    網格技術是cfd ( computationalfluiddynamics )領域中的關鍵技術。隨著cfd涉及問題的雜化,網格技術在兩個方向上逐步發展:一方面針對不斷雜的外形處理需求改進網格方法,從而能夠模擬雜飛行器及其各個氣部件的細節;另一方面發展適撲翼、多體分離等幾何外形問題的網格方法,使得cfd的工程用領域不斷拓寬。這其中,疊網格方法是一個較有活的研究方向。
  20. Applications of the state vector method into the analysis of lamina and the current research state of piezoelectric materials are briefly reviewed based upon literature search. solutions for simply supported and multilayered magneto - electro - elastic plates via the state vector method is investigated. we also present the application of mathematica in the study

    本文探討了利用狀態量法求解簡支壓電壓磁、壓電、壓電合材料層合板的靜學問題和學問題,著研究了電、磁、互相耦合的效,並闡述了mathematica在本課題中的用。
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