過度曲線 的英文怎麼說

中文拼音 [guòxiàn]
過度曲線 英文
transition curve
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 過度 : excessive; over; undue; ana-; hyper-
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  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,本文通對不同淬火溫,回火溫,回火時間下的力學性能指標的對比及顯微分析,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,會在硬中產生明顯的二次硬化現象。
  2. By hydraulic modeling, this paper describes studies on the stability of a floating bulkhead operating in standing water and flowing water, and it ' s hydrodynamic stability characteristics that distinguish in standing water from in flowing water ; and direct measurements of the forces acting on the model floating body during floating and sinking is taken. as a result, the rotation stress curves are produced and analyzed ; to provide data for optimum operation schedule analyses of the sluice, the relationship of the impact forces acting on the side wall of the gate and the running speed is studied ; the reasons of unstably uplifting of the bulkhead are discussed and the method to solve the problem is also given in this paper

    本文結合常州新閘防洪控制工程水工模型試驗,系統分析了浮箱門在靜水和動水中的穩定性及其影響因素,指出靜水穩性和動水穩性的不同特點;試驗測定了浮箱門動水運行時的受力情況,給出並分析了定位程轉動力的變化;根據浮箱門啟閉速與門體和岸墻之間撞擊力大小的關系,選擇合理的動力設備,為設計和工程實踐提供可靠依據;分析浮箱門難以穩定上浮的原因,並給出解決方案。
  3. Presents a new method for fairing of curves which has a small flexibility based on fitting the derivative of second order of curves. we fit the derivative of second order of curves by a polynomial fitting, then find an indefinite integral of this polynomial to get a approach of curves. otherwise, we discuss the analyze of the error and the optimize of fairing to this arithmetic

    提出了一種針對小撓的逆向光順演算法,該演算法直接擬合型值點列的二階導數,然後通兩次積分來反求出光順后的,並對該演算法的誤差分析、效果分析、光順優化等問題進行了深入探討。
  4. Both the annual banding growth rate curve and grey level curve show the evolution processes of the precipitation over the past 2000 years this region and that divide into seven dry / wet cycles

    石筍紋層厚和灰比較清晰地揭示了本區去2000年降水演化程,可劃分7個干濕旋迴。
  5. First, the basic mechanical capability and creep were proceeded on the material test system with the modified three point bending creep fracture test. the modulus and fracture toughness and tensile strength was attained and creep curve in 200 temperature was also presented. applying basic damage mechanical theory, thermal damage analyses were performed induced in fracture toughness and modulus, the practical formula of damage factors varying with temperature and time was given

    首先利用改進的三點彎試驗在mts實驗機上進行了巖石力學性能和蠕變測試,得到了花崗巖在溫影響下的彈性模量和斷裂韌以及抗拉強變化規律,並得到了200下北山花崗巖蠕變全
  6. Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of direct methanol fuel cell ( dmfc ) have been expressed with the tffa model. model calculation has been carried out to investigate the effects of structural parameters of the dmfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density. much attention has been paid to parameters including the porosity of the reaction layer, the thickness of the thin - film on the flooded - agglomerate, the radius of the flooded - agglomerate, the volume fraction of the flooded - agglomerates in the reaction layer

    本文首先運用tffa模型描述直接甲醇燃料電池( dmfc )陰極氧氣的傳遞和電化學反應程,研究了電位-電流密受陰極結構參數變化的影響程,其中著重考慮了以下幾個參數:催化層的孔隙率,浸漬聚集體薄膜的厚,浸漬聚集體的半徑,浸漬聚集體在催化層中的體積分數。
  7. This disquisition aimed at plc reactive dispatch curve controller, associating the entire exploiting process, expounded in guiding ideology, control standard, function and structure design, software system design, analog experiment, fixing and debugging and so on, also part of flow schematic diagram ( the ladder chart was n ' t drawn because of too many network and length limit ). this design involves many subject such as power systenu automatic control microcomputer control and electroa during the design, we have read a great deal of concerned data, base on the sufficient investigation analysis and research, associating the practicality of huanren power plant, we introduced and exploited plc reactive dispatch curve controller in the first time

    本文針對plc無功調控制器,結合整個研製程,在設計指導思想、控制準則、性能設計、裝置構成設計、軟體系統設計等方面進行了闡述,並給出了部分程序流程簡圖(由於梯形圖網路數太多,受篇幅限制沒有給出) 。本設計涉及到電力系統、自動控制、微機控制、電子等多學科知識,在設計程中,我們查閱了大量相關的資料,在充分調查、分析、研究的基礎上,結合桓仁發電廠實際情況,首次提出並研製出了plc無功調控制器。
  8. The optimized speed curve can bring a steady press - down dimension in the process of the ring rolling which could assure high quality products

    優化后的芯輥進給速能保證輾擴程中始終有理想的每轉壓下量,從而降低缺陷的發生,提高零件質量。
  9. The methods of quantitative analysis of structural strength of loess are put forward, and effects of soil moisture upon structural strength of loess are also quantitatively analyzed in this paper. the strength of loess is formed by structural strength and compaction strength, and structural strength can be expressed by the difference of stress between structural loess and man - made loess. the structural strength of loess can be quantitatively analyzed by different test in laboratory

    黃土結構強的大小反映著黃土結構性的強弱,本文比較系統地研究了黃土結構強的影響因素及其分析方法;黃土的強由結構強和固結強組成,其結構強可用結構性黃土與重塑黃土的應力差表示,可以用不同的試驗方法,進行結構強的定量分析;結構強的發揮反映了結構強隨應變的變化程;含水量對黃土結構強構成顯著的影響。
  10. After thoroughly analyzing the influence of each pump parameters on the gear pump performance, the paper developes the criterion for optimum gear parameters, which can be utilizied in practice easily for gear manufacturing using normal involute gear hob with two - fillet type. the conclutions studied by the paper are : 1. both the addendum coefficient and the deddendum coefficient of the pump gear should be 1. 125

    以目前國內普遍使用的雙圓弧頭全齒高為2 . 5倍模數漸開標準滾刀作為泵齒輪的加工刀具,通對齒輪加工原理的分析,提出了欲使泵齒輪參數達到最佳,泵齒輪的齒頂高系數和齒根高系數都為1 . 125 ;對變位系數的確定應考慮到泵齒輪的根切、齒頂厚、重合以及側隙因素;泵齒輪為避免干涉,必然要存在根切現象。
  11. In this paper, the author improved the design of v trough of port plate by studying the automobile power steering pump ( apsp ) produced home and abroad and analyzing the different reasons of their noise from the stator transition curve, which could reduce the noise of apsp effectively

    本文以國內和國外生產的汽車動力轉向泵為研究對象,從定子的角分析了它們噪聲不同的原因,並對配流盤v形尖槽進行了優化設計,可以有效地降低汽車動力轉向泵的噪聲。
  12. According to the relation between gear wear and its vibration, continuous wavelet transform is introduced to estimate the wear condition, the energy values of continuous wavelet on scale fit a spline which is much like that of the wear course of the gear

    最後,將基於連續小波變換的信號處理方法引入變速箱齒輪的磨損估計。根據信號的連續小波變換的能量譜對尺的積分值,擬合得到齒輪的磨損
  13. Firstly, the predesign is carried out by use of the conventional analysis, and then the acceleration curve of the cam driven component is processed and revised discretely according to the requirements of dynamics performance. the design equation based on a refined finite - difference algorithm is established and the calculating process is realized by the computer programs. consequently, the cam profile with good performance can be attained

    該方法先用常規解析法作初步設計,根據動力性要求對從動件加速進行離散化處理和修正,再用有限差分法建立凸輪型的設計方程式,通計算機程序進行計算求解,因而可以獲得優良性能要求的凸輪型
  14. In the paper, the load incremental method is adopted. by the way of reducing the elastic model of the destructive blocks in the elements, the finite element analysis model is revised and the repeated computing process does n ' t finish until the results are converged. the proposed method can simulate the entire process of concrete structures from crack to complete damage

    分析中採用載荷增量法,對各級載荷下單元中破壞的材料分塊進行彈模折減處理,並重新生成單元剛矩陣,經多次迭代直至計算收斂,從而可以給出各類cfrp加固混凝土結構的載荷?變形全,並預測其極限承載力。
  15. The main purpose of this paper is to realize the section properties and moment capacities of profiled sheets by experimental study and academic analysis for three types of profiled metal sheets which are called u450, u860and super combination profiled metal sheets produced by shanghai baosteel metallurgical construction corporation. its main contents include : ( l ) according to " european recommendations for the testing of profiled metal sheets ", the moment capacities of 32 full - size u450 and u860simple and continuous specimens are tested. ( 2 ) using the finite element program ansys and nonlinear finite element method, the moment capacities of super combination profiled metal sheets profiled are analyzed

    主要內容有: ( 1 )依據《金屬壓型鋼板試驗歐洲建議》 ,進行了32塊1 : 1的u450 、 u860二類壓型鋼板試件簡支、連續板彎性能試驗研究; ( 2 )採用有限元程序ansys對超級組合壓型鋼板受彎性能進行了非性有限元分析,分析中考慮了大變形與幾何初缺陷,得出其荷載?撓與極限荷載p _ ( max ) ,通截面特性與斜率、極限荷載的關系式得到截面特性;並將分析結果與同濟大學試驗結果進行對比分析。
  16. 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力學方程,得到了一個運動周期內運動副間隙取不同值時,各廣義坐標的位移、速和滑塊位移誤差,並通分析,得出了要提高模切機主切機構精,在相同加工成本條件下,應優先考慮提高柄與連桿鉸接處的配合精的結論。
  17. In the third part, the method of software realization on measure - controlling is given out, so we can automatically control the measurement course, data collecting and data processing automatically, the transforming of the tiff format, the produce of the equal illuminance curve

    然後給出了測量控制軟體實現的方法,從而實現用計算機對整個測量程和數據採集,處理的自動控制, tiff格式圖像的轉換,生成等照圖等,其中關鍵部分給出了源程序。
  18. Static deformation of a beam with directional attached piezoelectric elements

    用固支梁撓模擬高速路基本超車
  19. Five prestressed concrete testing beams were designed with different reinforcing distance. based on experiments of frp prestressed concrete beams, failure pattern 、 load - deflectioncurve 、 stress increasing and so on are studied systematically

    設計了五根不同加固距離的試驗梁,對試驗梁的受力程、破壞形態、荷載-撓、纖維筋應力增量等進行了詳細分析。
  20. For each curvature incremental step, a deformed curve in the correspondi ng state can be determined for the column. through the iteration for all incremental steps until the solution is convergent, the complete load - deformation relation can then be obtained

    對各率增量進行反復迭代,直至得到收斂解,就獲得了長柱從加載到破壞的全程變形及荷載-撓
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