拉伸段 的英文怎麼說

中文拼音 [shēnduàn]
拉伸段 英文
stretch section
  • : 拉構詞成分。
  • : Ⅰ動詞(展開) stretch; extend Ⅱ名詞(姓氏) a surname
  • : Ⅰ量詞(部分) section; segment; part; paragraph; passage Ⅱ名詞(姓氏) a surname
  1. First the sketch / datum plane is fitted by least - square distance, then the extruded direction or axis with the flank points of the cloud is extracted in quadratic paogramming arithmetic, and certain points projected to gain 2d sketched datas. feature points are defined to segment the sketch datas, and the sketch profile is generated by fitting separately the line and circle segment

    使用最小二乘方法擬合草圖基準平面,採用二次規劃方法提取方向和旋轉軸線,然後將數據點投影以獲取草圖數據,通過柵格劃分提取草圖邊界輪廓數據,再對這些邊界數據進行基於特徵點的分割,以直線和圓弧擬合出草圖輪廓。
  2. In addition, it was the sign of the initial amplitude growth rate, not the manner of the interface motion that determined whether the amplitude could increase. at weakly nonlinear stage, mode - coupling equations were derived in cylindrical and spherical geometries. it showed that the nonlinear terms were inversely proportional to the position of the interface in cylindrical and spherical geometries

    在弱非線性階,推導了柱和球幾何中模耦合方程,結果表明:非線性作用項反比于界面的位置,界面的位置越小,非線性作用越強,反之越弱;同時柱幾何中模耦合方程的解表明,在收縮幾何中,擾動在界面兩側的發展是不對稱的,在弱非線性階,不穩定性向內發展的部分受到慣性力的擠壓,而向外發展的部分受到慣性力的
  3. To make quality professional metalwork, the factory has equipped itself with high - class means of inspection and high - caliber management personnel and followed the iso9000 quality standard in sorting, melting, pressing, pulling, etc

    鄺邊金屬製品廠為製造品質優良的專業金屬,在原料選配熔煉、鑄造、擠壓、、退火、酸洗、聯合? 、精磨等工序,配備一流的檢查手,高素質的管理人員,結合iso9000品質管理標準,確保鄺邊銅材品質優良。
  4. The effect of intensifier and other conditions on the mechanical properties of composite is studied for the sake of searching the optimal compounding and the optimal technological process. first, a series of composites are manufactured by means of different nonwoven fabric and different resin. the dissimilar methods are adopted including hand molding, vacuum - bag molding and vacuum assistant resin injection

    本文在研究非織造布增強樹脂基復合材料的復合工藝、力學性能和破壞機理中,在運用材料學、工藝學、力學和宏觀測試手的同時,注重採用微觀測試方法,主要採用掃描電子顯微鏡進行測試,觀察了復合材料斷口的微觀形貌,研究了不同類型的非織造布增強體,不同樹脂和不同工藝條件對宏觀力學性能的影響,從而選擇最佳的增強體和基體的組成、復合條件和工藝,以製成性能最佳的新型材料。
  5. According to the analysis of the structure deformation variant direction the structure superposition during late period, and the tectonic stress field and deformation variant field, the cover extended nearly sn direction in early stage ( d - c ), maybe changed the direction in pernian ( especial the late permian ), and developed some new half - graben along sn direction except the succession activity at great fault zone. the direction of compression deformation variant, however, was nearly sn direction in indo - chinese epoch, ne - sw direction in early yanshan movement epoch, nne - ssw direction in late yanshan movement epoch, and transformed from ew to sn direction in himalayan movement epoch

    根據不同構造層中變形方向及後期構造疊加的分析,對本區的構造應力場及變形場進行了探討,本區蓋層早期階( d - c )為近南北向的張,二疊紀(特別是晚二疊世)的展方向可能發生了改變,除在各斷裂帶繼承性活動外,沿南北方向又新生了一些半地塹。而在擠壓變形時,印支期主要為近南北向擠壓,燕山早期為nw - se向擠壓,燕山晚期為nne - ssw向擠壓,而喜山運動可能經歷了從ew向向sn向方向擠壓的轉變。
  6. Tensile test and cyclic strain test of copper single crystal were performed. there are three stages in the plastic deformation

    觀測到銅單晶在變形過程中的三個階,得到了循環應力應變曲線。
  7. A large amount of data of the latest regional geoglogy and the latest correlation data of layers and rock formation have been quoted, and a description of distribution of crystalline basement, formation, evolution as well as the distribution characteristic of the fracture belt of ordos basin have been made in this paper, and the paper also pointed out that the g - layer which lies between the base of the basin and tg reflector, is the extension of basinward of guandaokou of jixian system. the layer of changcheng system and jixian system, which had been divided before, can be correlated with the exposed huangqikou group and wangquankou group in helan mountain, and divided into qingbaikou system. so, the paper denied the viewpoint of the existence of aulacogen in hutuo period and middle proterozoic in this basin

    文中引用了大量最新的區域地質資料和最新的地層、巖系劃分對比資料,對鄂爾多斯盆地結晶基底的巖系分佈、形成、演化以及斷裂的展布特徵進行了描繪,並指出盆地基底與tg反射層之間的g層是薊縣系官道口群向盆地的延,盆地中原劃分的長城系、薊縣系地層可以和賀蘭山出露的黃旗口組、王全口組對比,亦劃歸青白口系,從而否定了鄂爾多斯盆地存在滹沱期坳谷和盆地中有中元古坳谷發育階的看法。
  8. Simulated results showed that the position and the evolution process of necks are influenced by tensile strain rates. uniform deformation covers only a small fraction of the total deformation. however, at the steady - like flow stage, restrictions and accommodations between scattered localizations promote large uniform deformation

    數值結果表明,頸縮的位置及發展過程受應變速率影響,完全均勻變形在總變形中實際占份量較小,而似穩流動階的分散不均勻性的相互牽制與協調,使率敏感材料得以在接近均勻的狀態下經受大的變形。
  9. Abstract : by analyzing strain softening micromechanical damage process of rock, the softening micromechanical damage model of rock is established and the softening constitutive relation of rock under one _ dimension tension is also obtained

    文摘:通過分析巖石材料應變軟化的細觀損傷力學過程,建立了巖石軟化階的細觀損傷力學模型,從而得到單向狀態下巖石軟化過程的應力應變本構關系
  10. The constitutive equations were gained by regression analysis and some material constants were derived from that with the aid of om, x - ray, sem and tem, the deformation structure of the mid - strength weldable 1420aluminum - lithium alloy on different hot deformation conditions was studied and the soften mechanism was discussed. at the same time, the fracture behavior has been studied as an important part. the fracture mechanism of 1420 aluminum - lithium alloy was confirmed

    結合金相顯微鏡、 x -射線衍射、掃描電鏡、透射電鏡等現代化的試驗手,研究了中強可焊1420鋁鋰合金熱變形不同變形條件下的組織變化及軟化機制,分析了不同變形條件對合金材料組織變化的影響,確定了合金材料的軟化行為機理;同時,結合合金材料的熱變形高溫試驗,重點研究了材料的斷裂行為,分析了合金材料的斷裂現象,探討了合金材料的斷裂機理。
  11. The thickness is only 200um, and the width of the test part is 300u. m. it is first time nationally to use such a small specimen to measure mechanical properties of materials with uniaxial tension test

    本文採用的試樣,厚度只有200 m ,試驗寬度為300 m ,對如此微小的試樣進行單軸試驗以得到其應力應變曲線在國內還是首次。
  12. With the different loading ratio of parallel to axis and normal to axis direction, damage defects will occur bulking problem. by varying the degree of material anisotropy relative to the loading axis such as poisson ' s ratio and shear modulus, crack growth bulking strain value parallel to or normal to the loading axis is different. the parameters controlling the growth or arrest of the delamination damage are identified as the geometry and the depth of defects and radius of cylindrical etc. at last, it was investigated that the delamination damage is often induced by the tip of matrix damage under higher stress

    研究結果表明:殼體筒受軸向和內壓載荷作用時,軸向和環向載荷的比率不同,母層和子層可能發生屈曲,也可能發生收縮屈曲,或者同時發生和壓縮屈曲;母層與子層各向異性存在差異,即泊松比與剪切模量不匹配時,將使子層板的邊界上承受壓縮和剪切作用,當分層達到臨界狀態則發生屈曲,當母層與子層的各向異性差異越大,則發生分層屈曲的可能性越大;分層損傷的屈曲應變值與子層自身的彈性模量、分層子層的形狀、厚度以及圓柱半徑等因素有關。
  13. Under the careful retrospection and analysis on the previous and recent experiments about mechanical behavior of nanocrystalline metals performed by almost main investigators, the dislocation and atomic diffusion is believed to contribute hardly to the deformation of nanocrystalline alloy, and a model based on thermal activation process was applied to fit the experimental data of nanocrystalline ag

    結果表明,納米晶金屬ag的不僅具有比粗晶ag高2 - 6倍的和壓縮強度,而且在大范性形變階顯示了極低的加工硬化和應變速率敏感性。結合位錯理路和非晶合金形變特徵,提出納米晶金屬ag的塑性變形主要由於晶界滑移貢獻。
  14. In this paper, it gives the mechanism of charge - coupled devices and its plane borehole pattern, and show how the digital camera work. 2. it studies the reconstruction algorithm for digital camera. the theory of color is firstly introduced, then algorithm are studied in this paper, these algorithm are subtracting of fix - pattern noise, color reconstruction auto gain control algorithm and auto white balance algorithm, then designed a download soft for digital camera

    首先對顏色理論作了簡單的介紹,然後根據數碼相機的工作過程對各階所用的圖像處理演算法進行了研究,這些演算法包括固定圖案噪聲的去除演算法、自增益控制演算法、白平衡調整演算法、顏色重建演算法以及灰度演算法,最後利用這些演算法開發了一個數碼相機的下載軟體。
  15. Firstly, the domestic researches, which have been reported, are introduced. then the characteristic of the system in estimation of prestressing losses is analyzed by theoretical method, and the reasons that the elimination of tendon is large and test results are not consistent are pointed. using fem software ansys, anchorage zone of pylon are analyzed

    論文首先介紹了國內現階對該問題的一些研究成果,然後從理論上分析了小半徑大噸位環向預應力體系在計算預應力損失方面的特點和造成張長量偏大且實測的數據離散性較大的原因,並採用國際權威的有限元分析軟體? ? ansys從理論上進行分析和索塔錨固區最不利節的足尺寸模型試驗進行校驗。
  16. During stage i, the macro - stiffness of mmcs is reducing because of interfacial debonding

    當存在漸進適應界面時,復合材料橫向應力?應變曲線存在三個階
  17. Standard test method for accelerated tensile creep and creep - rupture of geosynthetic materials based on time - temperature superposition using the stepped isothermal method

    使用階等溫法對基於時間-溫度疊加的土工合成材料的加速蠕變和蠕變斷裂的標準試驗方法
  18. In addition, the electrical and thermal conductive pp / graphite composites prepared by s3c technology keep pretty good mechanical properties. this research develops the intercalation technique for nanocomposites, as well as pan - milling mechanochemistry, the electrical and thermal conductive theories of polymer based composites. the main outcomes are listed as follows : 1

    研究結果表明,磨盤碾磨剪切力場實現石墨的層間剝離及與pp的納米復合是分階完成的,是碾磨過程產生的摩擦、擠壓、和剪切應力及物料螺旋運動過程綜合作用的結果。
  19. Furthermore, this paper illustrated the reason of transition of basin evolution style, i. e. from rifting and extension to uplifting and whole subsidence during dongying movement of bohai bay basin

    巖石圈快速、上地幔上涌和溫度升高以及殼下巖石圈的彈性回返可以很好地解釋東營運動的形成過程以及渤海灣盆地演化階的轉折。
  20. We analyes post - tensioned prestressing properties and comparing with practiced results. we analyse one - way precast slab sandwich negative moment section resistant crack properties and two - way precast slabs sandwich under plane resistant crack at unprestressed section and second - prestressing propties. we compare canceling bonded reinforcement with laying on bonded reinforcement resistant crack properties and deformation. auxiliary lab include : concrete resistant pollution intensity. concrete resistant compressing intensity and elastic modulus, compare with results of code. analyse sandwich ' s strain and long - time stress, strain and introduce a new method through theory calculating long - time stress and strain

    配套的試驗研究有:混凝土的抗強度和彈性模量試驗及混凝土的抗壓強度和彈性模量試驗,混凝土的極限抗強度和極限應變試驗,並與《混凝土結構規范》 ( gb50010 - 2002 ) ,結果進行了對比;單塊夾層板放張階的彈性應力、應變分析和長期應力、應變分析,並詳細介紹了按混凝土徐變理論進行長期應力、應變分析的方法。
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