differential stress 中文意思是什麼

differential stress 解釋
差異應力
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • 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. According to the analysis and identification of differential displayed proteome, two key enzymes, adp - l - glycerol - d - mannoheptose - 6 - epimerase and mannosyltransferase, were induced in different salt stress and salt shock for rt19, which commonly participate in the biosynthesis of l - glycerol - d - manno - heptose, a major component of lipopolysaccharide

    通過對rt19的鹽激和鹽脅迫誘導蛋白的比較分析,發現:其中12個蛋白在兩種不同的脅迫條件下都可被誘導表達。進一步證實: rt19應答不同鹽脅迫刺激採取了不同的反應機制,但這些機制存在共性,交織成復雜的調控網路。
  2. 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。
  3. We have identified a nucleotide sequence from ests ( expressed sepuence tagged ) acquired fromzap - cdna library of thellungiella salsuginea treated with 200mmol. l - 1 nacl and analyzed its nucleotide sequence characterization, gene organization, and differential expression under salt stress

    本實驗從200mmol . l ~ ( - 1 ) nacl處理的小鹽芥地上部分構建的zap - cdna文庫中克隆了編碼硫氧還蛋白的基因序列。
  4. According with the characteristics of pore water seepage and soil deformation, the 1 - d rebound anti - consolidation model is set up. then the anti - consolidation differential coefficient equation is deduced and the corresponding a nalytical solution is obtained. in succession using the above theory, the influence to effective stress area ratio of some factors, such as preloading time, surcharge ' s magnitude and the depth of vertical drain

    針對卸載后淺部地基孔隙水滲流和土體變形特性,建立了軟土地基一維回彈吸水固結模型,推導了吸水固結微分方程,並求出了方程的解,同時,給出了回彈變形計算公式。
  5. In the analysis of the elastic local buckling strength of the stiffener ' s web, the elastic critical stress is analytically derived by solving the characteristic value problem involving the governing differential equation under the corresponding loading and boundary conditions

    對于加筋板中加強筋腹板的局部屈曲,則用解析法推導出筋的腹板的撓度方程及其邊界條件,求解相應的方程,從而計算出腹板的局部屈曲應力。
  6. On the basis of the theory of thin shells and the non - moment assumption, the equations of motion of the cylindrical shells under longitudinal line - loading are derived in the case of ignoring the shearing stress, and then, the set of partial differential equations are solved by the fourier series method

    基於薄殼理論和無矩假定,在略去剪切應力的情況下推導了圓柱殼在縱向線載荷作用下的運動方程,並採用fourier級數法進行了求解。
  7. The static loading test for three group of testing piles of jiading power plant secend stage project are analyzed and studied in this thesis, and the practical applying of high - accurate data collector, technique of waterproof insulation and testing technique of burying in the body of pile are introduced also. the vertical and horizontal loading features of three group of piles of different kind and constructing technique in different earth layer at the pile point are analyzed and compared and summed up with basic integro - differential equation calculating the pile earth system load transmit, transforming principle of stress - deforming and pile body rating of burying electric measuring element. changing law of stress, and changing law of pile body shifting and bending for different testing piles under vertical and horizontal load are showed so that the loading features of soil layer and pile at testing spot, reliable design data for pile type and base for scientific construction technique are provided

    本文僅就嘉定電廠二期工程中的三根試驗樁的靜載試驗進行了分析和研究,利用樁土體系荷載傳遞分析計算的基本微分方程及應力-應變轉換原理,結合預埋電測元件的樁身率定,對三組不同種類、不同施工工藝、不同持力層中的樁的豎直、水平承載特性進行了分析、比較和歸納,通過大量、全面的實測數據,經過整理、轉換和推演,揭示了不同試驗樁在豎直、水平荷載作用下的應力變化規律和樁身變位、撓曲變化規律,最終提供試驗場地土層和樁的承載特性,為該工程合理設計樁型提供了可靠的設計參數,為確定科學的施工工藝提供了有力的依據。
  8. Wide plus fyd multi - channel wind pressure measure transmitter employ import high precision and stability chip, and adopts surface treatment technology of special aluminum alloy and stress isolated technology in the sensor transfer differential pressure signal into ma dc standard signal by precise temperature compensation and amplification treatment

    Wideplus - fyd系列多路風壓測量變送器是選用進口高精度高穩定性晶元,並採用特殊鋁合金表面處理技術和傳感器應力隔離技術,經精密溫度補償及放大處理,將差壓信號轉換成420 ma dc標準信號。
  9. Wide plus ds series single - channel wind pressure measure transmitter employ import high precision and stability chip, and adopts surface treatment technology of special aluminum alloy and stress isolated technology in the sensor transfer differential pressure signal into ma dc standard signal by precise temperature compensation and amplification treatment

    Wideplus - ds系列單路風壓測量變送器是選用進口高精度高穩定性晶元,並採用特殊鋁合金表面處理技術和傳感器應力隔離技術,經精密溫度補償及放大處理,將差壓信號轉換成420 ma dc標準信號。
  10. A more reasonable method to calculate soil ' s damage value is advanced, which bases on extrema of irregular dynamic shear stress. previously it bases on peaks of shear stress to calculate damage value, but by this method the destructive action of multi - point inputted earthquake is overestimated, especially in the second half section of responding shear stress " time history the shear stress caused mainly by differential force undulate slightly on one side of its zero line

    以往計算土體在不規則的動剪應力作用下的損傷值根據的是動剪應力的峰值,在時域內多點輸入分析中,由於差動力的的存在,使得時程後段動剪應力不穿零而在一側做幅度不大的波動,基於峰值的損傷值計算特別過高地估計了這段剪應力的破壞作用,過高的程度還隨延時增加而增加。
  11. Based on an algorithm for solving the time - dependent coefficients nonlinear differential equations numerically, computer software is developed which has an easy - to - use interface. the dynamic response to elastic deformation and stress in key parts and forces acting on the bearings under various parameters and working conditions can be calculated

    在研究求解該時變系數非線性微分方程組數值解法的基礎上,開發了具有良好人機界面的模擬軟體,可以計算出多種參數和工況條件下關鍵點的彈性位移、應力和運動副反力的變化規律。
  12. With the method of the lie group transformation, the symmetry of the equation governing one dimensional finite strain consolidation is discussed and, from the point of the symmetry, the feasibility to obtain the analytical solution of these nonlinear partial differential equations is discussed. where - after exact or approximate analytical solutions focused on different consolidation problems are obtained, these including : under some assumptions of relations of the void ratio with coefficient of permeability and effective stress, the method of lie group transformation is applied to solve the non - linear partial differential equation of large strain consolidation of homogenous saturated clay soil in semi - infinite domain with the consideration of the material and geometrical nonlinearity during consolidation procession. the implicit exact solution without considering the effect of self - weight of soil is obtained

    運用lie群變換方法討論了一維大應變非線性固結方程的對稱性,以及在該對稱性的意義下求解這類非線性偏微分方程解析解答的可能性,並就大應變非線性固結問題的多種情況求得了其完整的或者近似的解析解答,具體包括:基於有效應力與孔隙比以及滲透系數與孔隙比之間的關系的一些假定,採用李群變換求解考慮材料非線性和幾何非線性的半無限均質土體大變形固結非線性偏微分方程,得到了一個不考慮自重固結的完全解析解。
  13. It is found that cyclic loading at high differential stress level will lead to the decrease of felicity ratio, and the value max can be decreased by some crack systems in specimen. there is still a lot of ae during unloading at high differential stress level, which implies that the deformation is dominated by fracturing at low differential stress level, and the deformation by frictional sliding increases greatly at high differential stress level

    關于應力方式對巖石破裂的影響,發現較高差應力水平下的多次循環加卸載會使felicity比減小;某些構造能使巖石產生felicity效應的應力門檻值_ ( max )降低;由高差應力水平下卸載時仍有大量聲發射產生推測:在低差應力水平下,破裂以裂紋尖端的突然擴展為主;在高差應力水平下,沿已有的裂紋面的滑動破裂大量增加。
  14. The cell differential matrix equation is founded on the basis of mechanics analysis of the waterwall and superheater tubes. it is computed by the ansys fea software the effect on the heat and stress coupling field of some operation parameters, which is the theory guidance for accelerated lifetime tests and the accurate life evaluation

    對水冷壁直管段和過熱器彎管段進行力學分析,建立微分單元矩陣方程,應用ansys有限元分析軟體定量分析溫度、壓力等參數對管道運行中熱?應力耦合場的影響,驗證了壽命評估的準確性。
  15. Using the displacement functions and the technique of double fourier transform, the governing differential equations for transversely isotropic saturated poroelastic media are easily solved and, the fourier transformed stress and displacement solutions coorespondingly are obtained. then, under the boundary conditions, the analytical solutions for half - space are presented

    藉助位移函數及雙重fourier變換,研究了直角坐標系下橫觀各向同性飽和土的動力響應問題,得到了飽和半空間體在任意分佈的表面諧振荷載作用下穩態響應的一般解。
  16. So far, many methods have been used for studying the in - situ direction of oilfields and every method has its advantages and disadvantages. this thesis focuses on the method that predicts in - situ stress orientation for wells using differential strain analysis ( dsa ) and palaeomagnetic orientation

    目前為止,油田地應力方向的研究方法很多,每種測試技術都有其優點和局限性,本文主要討論利用差應變分析和古地磁方法結合確定地應力方位的方法。
  17. High quality sensor, unique stress isolated technology and flexible installation and debugging method has ensure the best ratio of performance price for wide plus ds series differential pressure transmitter

    是選用進口高精度高穩定性晶元,並採用特殊鋁合金表面處理技術和傳感器應力隔離技術,經精密溫度補償及放大處理,將差壓信號轉換成420 ma dc標準信號。
  18. High quality sensor, unique stress isolated technology and flexible installation and debugging method has ensure the best ratio of performance price for wide plus ds series differential pressure transmitter make it suitable for use in wide industrial field or laboratory to measured and controlled the furnace pressure, air flue pressure and air pressure

    高質量的傳感器獨特的應力隔離技術以及靈活的安裝調試方式保證了wideplus ds系列差壓變送器的最佳性能價格比。它可廣泛應用於工業領域或實驗室進行爐膛壓力風道壓力空氣壓力等的測量和控制。
  19. In the first part of this experiment, we isolated the tsmt gene ( genebank accession number : af499726. 1 ) from a a zap - cdna library cons tructed from a 200mmoll - 1 nacl - treated library of thellungiella salsuginea and analyzed its sequence characterization, genomic organization and the differential expression in response to salt stress. tsmt encodes metallothionein and there is only one copy in thellungiella salsuginea genome according to its southern blotting

    L ~ ( - 1 ) nacl處理的鹽芥地上部分構建的zap - cdna文庫中克隆了編碼金屬硫蛋白的基因tsmt ( genebank號為af499726 . 1 ) ,並分別對其序列特徵、基因組結構和在鹽脅迫下的表達特性進行了分析,結果表明tsmt編碼鹽芥金屬硫蛋白, southern結果顯示tsmt在鹽芥基因組中只有一個拷貝。
  20. Forth, the glass transition temperature, creep and strain recovery of strain gage backing materials were determined by dynamic mechanical analysis ( dma ) and differential scanning calorimetry ( dsc ). the influence temperature and stress imposing on creep were also discussed respectively. glass transition temperature, creep and strain recovery of five different composites films were compared

    考察了溫度、應力對蠕變性能的影響,並對五種不同組分復合材料薄膜的玻璃化轉變溫度tg 、蠕變和應變回復率進行了比較,結果顯示,按照最佳配方制備的應變片基底玻璃化轉變溫度tg高、應變小、應變回復率高,蠕變性能最好。
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