concentrated stress 中文意思是什麼

concentrated stress 解釋
集中應力
  • concentrated : adj. 1. 集中了的；濃縮了的；汰選出來的。2. 聚精會神的。
  • 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. 3, stress on the outer side of knee increased little from 0 to 12 degree and increased obviously when the angle greater than 20 degree according to the enlargement of angle of exstrophy. stress mainly concentrated outside of the tibial plateau and center and inboard of the complex

    3 、隨著膝關節外翻角度逐漸增加，在最初12內應力值變化不大，外翻大於20后應力開始變化較明顯，應力主要集中於外側脛骨平臺和外側復合體中心及內側。
  2. The results have shown that the concentrated stress area exist in the lining of the hearth and bottom with different firebrick which should be one of the reason eroded the hearth and bottom of the blast furnace

    計算結果表明：在用具有不同的導熱性能和力學性能的耐火材料砌築的爐缸內存在著應力集中現象，這是導致高爐爐缸破損的主要原因之一。
  3. Results : 1 ) under the same condition of loading, the stress and displacement of mesial occlusal rest design was smaller than that of distal occlusal rest design in abutment teeth and soft tissue under the base, however, the magnitude in the soft tissue under base was bigger. 2 ) when a distributed vertical load was applied to the artificial tooth abutment teeth regions, the stress distribution was similar to that of concentrated load in the artifitial tooth, and stress magnitudes were higher. 3 ) under the condition tested, the mesial occlusal rest design caused the stresses that were more in line with the long axes of the abutment teeth than did the distal occlusal rest design

    結果： 1 ）在同一加載條件下，近中（牙合）支托設計與遠中（牙合）支托設計相比，基牙及基托下軟組織的應力和位移值減小；基托下軟組織的應力和位移值大於基牙； 2 ）基牙及義齒整體加載時，各基牙應力分佈規律與人工牙加載相同，但應力值增大； 3 ）近中（牙合）支托設計使基牙受力更趨于軸向。
  4. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景，首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況，忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用，首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程，建立了有限元計算模型，並採用三角函數法，求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應，並與普通殼體進行了比較。
  5. But it also includes two fatal disadvantages : first, at is difficult to be sintered and its density is low, which causes its lower strength ; second, in the temperature range of 1023 - 15 73 k, at can decompose into al2o3 and tio2 easily, which can cause the stress concentrated and raise the heat expansion rate

    但是該材料本身存在的兩大致命的缺點，在很大程度上限制了它的廣泛應用： （ 1 ） 、鈦酸鋁難以燒結，燒結體的緻密度低，因而強度不高； （ 2 ） 、在750 1300的溫度范圍內易分解成氧化鋁和二氧化鈦，造成材料內部應力集中，並使材料的熱膨脹率升高。
  6. The deformation of reinforcement material could not keep with the settlement of the filling cause that the stress of the tensile concentrated ; 6

    （ 5 ）填土沉降大與拉筋變形伸長率小是引起拉筋拉力集中的原因。
  7. After synthetic evaluation to the permian reservoir, it was considered that there were deep lake facie in mazhong - heidun - shibandun structure zone, it was suitable to depositing thick carbonate rock. these cracks were developed in the zones where the stress was concentrated. these zones are fairly good oil and gas exploration areas.

    對三塘湖盆地二疊系儲層進行綜合評價后，認為：該區馬中?黑墩?石板墩一帶屬半深湖沉積亞相，有利於碳酸鹽巖的沉積，儲集體沉積比較厚，並且此帶屬于應力集中的變形強烈帶，故裂縫較發育，從而成為最有利油氣勘探區，其次有利區為牛圈湖構造帶，這主要是由牛圈湖地區的顆粒溶孔較發育所致。
  8. However, the die attach layer delaminated after 500 cycles and pcb cracked in the underfilled samples after long time cycling. c - sam is employed to investigate the delamination in the underfilled samples. highly concentrated stress - strain induced by the cte mismatch between the bga component and the pcb board, coarsened grain and two kinds of intermetallic compounds ( nisn / nisns ) which formed during reflow and thermal cycle and their impact on the reliability of solder joints are discussed in this paper

    充膠樣品粗化尤為嚴重； ? ni - sn金屬間化合物包括兩層：其中，靠近ni焊盤的那層比較平整，同時， eds結果分析表明其化學式近似為nisn ，而靠近焊料的那層呈板條狀，化學式近似為nisn _ 3 ，文獻表明其為亞穩相； ?充膠使得樣品最大應力范圍降了接近一個數量級並降低了dnp的作用，同時，器件失效模式變為晶元粘接層分層； ? c - sam結果表明本論文採用的充膠樣品，晶元粘接層分層起始於500周左右，而經過2700周循環的樣品，分層幾乎擴展到整個界面。
  9. Regarding the rc beams subjected to concentrated load or even load and braced by bonding steel, an analysis is made on the relevant factors influencing maximum anchorage shear stress of steel sheet. the analysis is based on elastic theory and makes use of the formula for calculating anchorage shear stress of steel sheet. as indicated by the results, the maximum anchorage shear stress not only realtes to such parameters as height of cross section of rc beam and span but also relates to the thickness of adhesive layer, elastic modulus, thickness of steel sheet, and length of steel sheet. the present method will check maximum an chorage shear stress on the end of shear sheet so as to prevent rc beam from local damage. the present results will offer important reference for our country to further perfect bracing design by bonding steel method

    在彈性理論的基礎上，利用鋼板錨固剪應力計算公式，對在集中荷載或均布荷載作用下採用粘鋼加固的混凝土梁，分析鋼板錨固最大剪應力的有關影響因數.結果表明，最大錨固剪應力不但和混凝土梁的截面高度、跨度等參數有關，還和粘膠層厚度、彈性模量、鋼板厚度及鋼板長度有關.採用文中方法可以對鋼板端部最大錨固剪應力進行驗算，防止混凝土梁出現局部受拉破壞.研究結果為進一步完善我國粘鋼法加固設計提供重要的參考資料
  10. The mathematic model of the ultra - thin spherical mirror is to be treated as elastic thin shell. then the predigested model, i. e., bended beam, used in qualitative analysis was proposed, and its deflection and stress formulas under the freely supported condition were set up. based on an off - axis aspherical primary mirror, the relationship of aspherical surface error ( rms ) in tangential plane with bended beam ’ s radius r, position s of concentrated load p and geometry length l of arc was analyzed

    根據這一設想，本文建立了超薄鏡的數學模型?薄殼，並提出了強制力作用下超薄鏡的簡化模型?曲梁，推導了曲梁在簡支情況下受力變形的撓度公式，並結合一個實例，計算出曲梁變形后與所需非球面的面形殘差（ rms ）在子午方向與曲梁弧長l 、曲梁半徑r及集中力位置s的關系及滿足面形精度的r和s范圍，分析了弧矢方向的rms ，得出了同時滿足子午和弧矢方向面形要求的l 、 r和p 。
  11. By means of similar simulation, lateral abutment pressure distribution and concentration degree which at the face of the upper coal, the distance between peak stress and coal surface, the influence circle of abutment pressure, and the transfer and weakening of concentrated pressure at the bottom side are analyzed on actual geology data in pingdingshan 8th mine f15 and f ( subscript 16 - 17 )

    摘要採用相似模擬的方法，以平頂山八礦己二采區己15和己（下標16 - 17 ）煤層實際地質資料為基礎，分析了近距離煤層上煤層開采時，在上煤層采場兩側向的支承壓力分佈及集中程度、峰值距煤壁的距離、支承壓力的影響范圍；一定范圍內底板中集中應力的傳遞及漸衰減特徵。
  12. Concentrated on simulative analysis of 3 - d temperature and stress fields of concrete dams, determination of thermodynamic parameters, cracking mechanism, crack prevention, crack control and crack repairs, the mainly work in this dissertation are as follows : 1

    本文圍繞混凝土壩三維溫度場與應力場模擬分析、熱力學參數確定、裂縫成因機理、防裂限裂措施及裂縫補救方法等，作了如下的工作： 1
  13. Logarithmic singular stress field in an interface edge consisting of two bonded dissimilar materials subjected to a concentrated couple on apex

    頂端受集中力偶的雙材料平面界面接合楔體的對數奇異應力場
  14. When the fill factor is less than 1, the concentrated tensile stress appeares near edge of disk surface, while the fill factor reaches up to 1, the surface exhibites compressive stress, and the center is less tensile stress

    當抽運光斑未充滿激光介質時，介質的表面靠近邊緣處會出現大的拉應力集中，並且介質表面的最大軸向位移和最大拉應力隨光斑填充因子增大而增大；而當抽運光充滿介質時，表面是壓應力，較小的拉應力存在於介質內部。
  15. When the pumping area cannot approach the disk had aperture, the concentrated tensile stress appears near the edge of disk hard aperture, while the disk is pumped full aperture the surface exhibits compressive stress, and center is tensile stress which is lesser

    當抽運光斑未充滿激光介質時，介質的表面靠近邊緣處會出現大的拉應力集中，並且介質中最大拉應力和表面的最大軸向位移隨抽運光斑尺寸縮小面增大；而當抽運光充滿介質時，表面是壓應力，較小的拉應力存在於介質內部。
  16. In contrast to conventional procedures, the present method assumes the normal stresses associated with the action of anchorage is approximated by the analytical stress distribution corresponding to an infinite wedge with concentrated force at the apex

    應用無限楔體受集中力作用的彈性力學解答計算與錨固力對應的滑面正應力分佈，將其與錨固前滑面正應力疊加。
  17. The stress distributed unevenly around the indent and mainly concentrated on the area near - by the tip of the indent. the stress distribution was discontinuous at the interface between the ti - dlc film and the substrate. it ' s just the discontinuousness of stress distribution that protected substrate from breakage

    模擬結果表明，納米壓痕試驗中應力在壓痕周圍呈不均勻分佈，應力集中分佈在壓頭尖端所對應的膜的區域，並在膜與基體的界面上產生間斷，應力間斷有效的保護了基體。
  18. The change of moisture distribution is concentrated on the surface layer concrete, which is very thin. however, the change inside the concrete is very slight. this unbalanced development of moisture distribution causes large shrinkage stress in the layer concrete and then leads to crack

    混凝土濕度變化主要集中於較薄的表層混凝土內，內部濕度場變化極微，這種濕度發展變化的不均衡使得表層混凝土內產生較大的收縮應力，將直接導致裂縫的產生。
  19. 3. as for side web girder, the principle of minimum potential energy has been introduced. by assuming different displacement function, the force and stress formulae for flanges under uniform loading, horizontal axial force, or vertical concentrated force have been derived

    對于邊主肋截面主梁，本文介紹了能量變分法，通過假定板不同的軸向位移函數，推導了懸臂梁在均布荷載、水平軸向力、豎直集中力作用下的微分方程和應力計算公式。
  20. The study result that there is slightly stress concentrated in the aera of the dam which with opened hollow and pier added. by the tension stress is more over the design intension, we need more reinforcement to resisted the stress

    結果表明在孔口和閘墩附近出現了程度不太嚴重的應力集中現象，但拉應力超出抗拉設計強度較多，有必要採取配筋等措施來抵抗動力作用下的拉應力。
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