線步彎曲 的英文怎麼說

中文拼音 [xiànwān]
線步彎曲 英文
crooked stitches
  • : 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...
  • : Ⅰ名詞1 (步度; 腳步) pace; step 2 (階段) stage; step 3 (地步; 境地) condition; situation; st...
  • : Ⅰ形容詞(彎曲) curved; bent; crooked; flexuous; tortuous Ⅱ動詞1 (使彎曲) curved; bend; flex 2 ...
  • : 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...
  1. These stud " can be concluded as following : on the basis of the bhw - 35 steel p - s - n curve and its da ' dn growth law the method of low - cycle fatigue life evaluation of 401 t / h boiler was proposed. and a mechanics model was suggested for calculating the stress of internal pressure suffering elbow. with the elbow fatigue test, a method of evaluation the fatigue growth life of pressure suffering elbow is recommended ; and the elementary use of damage mechanics on the fatigue life evaluation of the boiler drum

    本文創新點為:在bhw - 35鋼的p ? s ? n及da / dn擴展規律的試驗研究基礎上,提出了410t / h鍋爐汽包的低周疲勞壽命分析與預測方法;建立了一種橢圓截面變厚度管承受內壓時的應力計算力學模型,通過壓力管的疲勞試驗,本文推薦其低周疲勞擴展壽命預測方法;將損傷力學應用到鍋爐汽包疲勞壽命預測做了初的探索。
  2. Further discussion of bending and strengthening curve in ccm

    連鑄機中矯直的進一探討
  3. Works on the bending roll system of four - roll rolling mill, the workroll shape variation caused by the force of bending roll and the contact stress between rolls was researched with the fem software ansys, the maximum deformation of the work roll was calculated, and the curve of the gap adopting the least - squares method was fitted, which set the base of the further calculation of load - gap shape

    摘要以四輥軋機的輥系統為研究對象,利用有限元分析軟體ansys研究輥力和輥間接觸應力引起工作輥形狀的變化,計算工作輥的最大變形量,並用最小二乘法對輥縫進行擬合,為進一計算有載輥縫形狀提供可靠的理論依據。
  4. Abstract : it proposes a model for shaft centerline measurement and winding level, gives the coordinates transformation formula of measured data, and develops the program diagram for centerline measurement of wind - shaft

    文摘:提出了一種便於微機處理的軸的空間解析表達方法以及軸程度的表示方法,給出了軸測量數據獲取方法與坐標轉換公式,提出了零件軸時精密測量的一般驟。
  5. Then, a step - by - step increase of vertical bending curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment

    船體總縱極限矩的計算,由於要計及材料的和幾何的非性因素而變得十分復雜,必須用增量的方法逐計算,獲得完整的矩?后,才能得到總縱極限矩值。
  6. 6 ), the process that h20 is adsorbed on the electrode surface and the hydroxyl group is formed to oxidize the co may be the rate - determining step ; in the region iil ( logi > l. 6 ), all of the tafel curves show a curvature until the current densities reach the peak value, indicative of a possible limiting current. the effect of rare earth elements on methanol electro - oxidation has not been reported in literatures

    在低極化區( logi 1 . 3 ) ,甲醇發生脫氫反應並形成反應中間體,其中co成為未被氧化的毒物,此過程成為速率限制驟;在更高的極化區( 1 . 3 logi 1 . 6 ) , h _ 2o吸附在電極表面並解離生成[ oh ] ,促進了co的氧化,此為此階段速率控制驟:在第3個極化區( 10gi 1 . 6 ) , tafel發生,電流密度也最終達到峰值。
  7. After the comparison of the stability checking computations and the section categorised situation both at home and abroad the current standard, some problems was discussed in the standard of our country. contraposed these questions, the paper computed the space stability coefficient of some general t - shaped and l - shaped sections and all the sections of t - shaped, l - shaped and 2 - angle iron t - shaped in the formed - steel - table, and worked out the curves. according to the comparison of the curves the paper got and the curve in the standard, some simple conclusions was put

    對國內外現行規范軸壓柱穩定驗算方法及柱子截面分類情況進行了對比,討論了我國規范中存在的一些問題,並針對這些問題,以規范初始值對任意「 t 」形和「 l 」形截面和型鋼表中所有t型鋼、 l型鋼、雙角鋼t形鋼截面的空間穩定系數進行了計算,作出其與規范的比較圖,通過計算結果的分析對各類截面歸類情況作了簡單的評述,其中提出的一些建議可以作為規范修訂的參考依據;同時,這些計算結果也進一證明了本文的柱子空間穩定分析方法的正確性。
  8. After the discussion of the numerical simulation method based on the fdtd method and the pml technique, the motions of the charges and the electrical field lines were first employed to describe the radiation procedures of the pulse electromagnetic waves. then the causes of how the charges are accelerated and how the motion status of the charges are maintained were further studied from the angle of interaction of charge and field. after these analyses, it was pointed out that the pulse radiation is due to the suddenly occurred time - varying electrical field ( displacement current ) in the open space. this view was further evidenced by two examples : one is the partly resistance loaded antenna, the other is the partly curved antenna. the radiation procedures of the pulse electromagnetic waves of many different situations were simulated throughout this paper with the contours and waveforms of electric field given. these figures are very helpful to the understanding of the radiation mechanism of the pulse electromagnetic waves

    在討論了基於時域有限差分法和完全匹配層技術的數值模擬方法之後,首先從運動電荷和電力的角度直觀地描述了脈沖電磁波的輻射過程,然後進一從場與電荷相互作用的角度分析了天上電荷是如何被加速以及如何維持其運動狀態的,指出了開放空間中突然出現的時變電場(位移電流)是脈沖電磁波輻射的根本原因.文中還對局部電阻加載的天和局部的天進行了研究,以進一說明上述觀點.對多種情況下的脈沖輻射過程進行了數值模擬,並給出了電場的等高和空間波形圖,這些圖形對理解脈沖電磁波的輻射機理非常有益
  9. Then, a step - by - step increase of vertical curvature is applied to the hull girder assuming that the plane cross section remains plane. at each incremental step, the stress of the cross section is evaluated using the average stress - strain curves of the elements as well as the incremental bending moment due to the curvature increment. performing sample calculations on existing girder models tests under pure bending, the rationality of the proposed method was examined

    假設船體橫向框架材足夠強,因而板架的整體破壞不會發生;基於梁?柱理論、理想彈塑性假設、平面假設,建立了拉伸和壓縮加筋板單元的平均應力?應變關系,應用船體結構總縱極限強度的簡化逐破壞分析方法計算船體總縱極限矩,並據此開發了計算程序sus 。
  10. At first, the experiment carried out by tianjin university has been analysed according to the " nonlinear balance trying calculation " method, and the values of yield load and ultimate load agree with the test result better, and the curve of bending moment - curvature, bending moment - deflection can agree with the results. the second, the simplified formula for evaluation the ultimate flexural capacity of cfrp strengthened rc members is presented according to the three probable failure modes ( compression failure ; cfrp rupture ; crushing of the concrete in compression before yielding of the reinforcing steel ). it is applicable to both singly and doubly reinforced rectangular sections, as well as flanged sections

    首先利用鋼筋混凝土非性平衡試演算法對天津大學試驗進行了理論分析,所得分析值與試驗結果相比,加固梁的屈服荷載、極限荷載能夠很好地吻合,率關系矩撓度關系較為吻合;其次,為了滿足實際工程的需要,根據碳纖維布加固構件可能發生的三種破壞形態(壓區混凝土壓碎破壞、碳纖維布拉斷破壞以及受拉鋼筋尚未屈服時壓區混凝土已壓碎破壞) ,區別三種鋼筋混凝土構件截面形式(單筋矩形截面、雙筋矩形截面、 t形截面) ,分別給出了碳纖維布加固混凝土構件抗承載力的簡化計算公式和適用條件,並進一探討了這三種截面形式下進行加固設計和復核的驟。
  11. The radiation spectrum for relativistic electron moving along curved spiral curve in plasmas is calculated, and also the formula of total energy emitted by a relativistic electron in vacua is derived

    計算了等離子體介質中,沿螺旋運動的相對論電子的輻射譜,進一導出了真空中的能量輻射公式
  12. Introduced the second order analysis of the thin - walled members based on the theory of the rotation of a cross section around a fixed axis, and discussed the general methods of the loading capacity and the space stability coefficient for the thin - walled columns. used a programme, a large amount of space stability coefficient of t - shaped and l - shaped axes columns with a initial bend was computed to gain the curves of the columns. the procedure of the computation behaved the simplification and the convenience of the method

    介紹了以定軸轉動理論為基礎的薄壁柱空間穩定二階分析方法,初論證了以此為基礎的薄壁柱空間穩定承載力的驗算及空間穩定系數的計算方法,並藉助程序對具有初的各種「 t 」形和「 l 」形軸壓柱的空間穩定系數進行了計算,作出其柱子圖,從而驗證了此方法的可行性和簡便性,同時提出以此為基礎對鋼結構截面優化的方法。
  13. The progress of this method can be divided into two steps. one is found the relations of the moment, compression force and the curvature on the base of the balance of the internal force. the other step is to found the relation of the flexibility, corner and the curvature through the elemental deformation curve

    該方法的計算過程可分為兩大驟:第一根據截面內力平衡條件建立矩、壓力和率之間的關系;第二根據構件的變形建立撓度、轉角和率之間的關系。
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