極限深度 的英文怎麼說

中文拼音 [xiànshēn]
極限深度 英文
bounding depth
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : Ⅰ形容詞1 (從上到下或從外到里的距離大) deep 2 (深奧) difficult; profound 3 (深刻; 深入) thor...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  • 深度 : 1. (深淺程度) degree of depth; depth 2. (觸及事物本質的程度) profundity; depth
  1. The result indicates that the range of stable lean operation varies greatly for different cavity depth d and length - depth - ratio l / d, it increases with increasing d and l / d, and increases, followed by decreasing with increasing incline angle of aft wall

    研究發現:凹腔和長比對凹腔火焰穩定器的貧油影響較大,貧油穩焰范圍與、長比成正比,隨後壁傾斜角的增大先增大后減小。
  2. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料,對該種激光器進行了入的研究,通過對yag棒直徑的合理選取併合理地改進反射鏡面,從而既保證了光束質量又最大的增加了吸收長,有效的提高了泵浦效率;在不影響泵浦的前提下,通過有效縮短yag棒的長減小輸出損耗;對yag棒的水冷系統進行優化結構設計,使激光器體積減小到國外同類產品體積的一半,而輸出功率已達到國外同類產品的值。
  3. To meet this challenge, a research project was supported by ministry of communication and bv shanghai zhenhua port machinery co. ltd. focusing on analysis of tdtcd ( traditional design theories of crane drums ) the paper has studied the impacts of features under the binding force of wire ropes, the end - plate and rope slot. this study is based not only on the thin shell theory and viscoelastic mechanics to calculate the strength and stability of drum, but also on an experiment with technology in " state of act "

    本文結合交通部重點科技項目「港口起重機鋼絲繩傳動件高性能技術研究」和上海振華港機股份有公司委託項目「起重機焊接捲筒壁厚研究」 ,針對起重機捲筒傳統設計方法偏於保守的情況,以薄殼理論和近代力學為基礎,以現代試驗技術為研究手段,對鋼絲繩緊箍力作用下的外載特性、端板、繩槽等因素對捲筒強和穩定性的影響進行了系統的理論研究,在入開展捲筒強、穩定性和實驗模態分析等試驗的基礎上,提出了有別于傳統方法的捲筒強、穩定性計算方法。
  4. According to elasto - plasticity theory, with the help of finite - method program ansys, the paper undertakes the computer analogue tests about the bearing capacity of pile tip arranged by orthogonal principle, and attains the relations of pile - tip bearing capacity to embedment depth, pile diameter, cohesion, internal friction angle and modulus of deformation. by the means of mathematical statistic, regression equation of the ultimate bearing capacity calculated by finite element method is gained through the regression analysis of 81 group data from the computer analogue tests. by comparison and analysis of the values calculated by finite - element regression equation and the values of in situ loading test, the regression equation is gained which calculates the size effect for base resistance of large diameter pile

    根據彈塑性理論,運用大型有元軟體ansys按正交設計理論對樁端承載力進行模擬計算,獲得樁端承載力與樁長(埋置) 、樁徑、粘聚力、內摩擦角及變形模量等主要影響因素的關系,並採用數理統計方法,對81組ansys模擬試驗結果數據進行回歸分析,得到有元法確定樁端承載力的回歸公式,並將有元法回歸公式計算值與現場小壓板載荷試驗值進行比較分析,得到大直徑樁端阻的尺寸效應系數計算公式。
  5. This paper is consisted of two major parts : one deals with the general working performance of the fmghp by setting up mathematic model and developing computer procedure, getting the datum related to the capillary flow and heat transfer, analysing the working characteristics of fmghp in different working temperature, heat flux and inclination angle etc. in this part, the prediction of capillary and boiling limit are also included. the other major part studies the flow and heat transfer characteristics in the micro - film region formed by the meniscus attached on the metalic fin in the micro rectangular groove. investigations on the influence of width of groove and other factors on heat transfer in this region have been made. the importance of this micro - region in the heat transfer of the entire heat pipe has been unveiled. the heat transfer characteristics gotten by this research could be used in design and application and also optimization of this kind of fmghp

    本文在大量查閱現有國內外文獻的基礎上,總結並綜合前人有關微槽平板熱管理論研究方面的成果,對單面刻有槽道的微槽平板熱管進行了較為入和細致的研究。本文的研究共分兩大部分,其中第一部分考察了該型熱管的整體工作表現,通過建立數學模型和開發相應的計算程序,得到了熱管內部毛細流動和傳熱的數據,分析了熱管在不同工作傾角、不同加熱熱流以及不同工作溫等情況下工作特性的變化規律,考察了汽液界面上的剪切作用對熱管傳熱量的影響,並且進一步在理論上預測了該型熱管的毛細和沸騰
  6. How many pumps were turned on should be based on the dynamic design according to project target. and how many pumps should be in operation in standard shut off procedure. it was approved that although the theoretical boundary of decline of groundwater level is 10m, the actual boundary is only about 6m

    提出了一些與真空預壓加固地基設計相關的概念和處理方法,如定義真空預壓加固區場地形狀系數,提出按加固土體體積來確定射流泵數量、根據工程需要動態設計開泵量、增加停泵標準中對開泵量的規定等設計思想等,論證了真空預壓加固地基時地下水位下降的理論極限深度為10m ,而實際極限深度約為6m 。
  7. The main work can be summed up as follows : firstly, we studied the thermal - field properties of vcsels, and analyzed the influences of current spreading, material parameters and operating conditions on the temperature distributions. secondly, we began with the electrode voltage and calculated the equipotential s distributions, compared the distributions of voltages and current densities in different depths of vcsels, and then studied the influences of the oxide - confining region with different position or thickness, and the different sizes of the gain - guided aperture and emitting window on the distributions of the injected current density, carrier concentration and temperature in the active region. thirdly, we realized the coupling of electricity, optical and thermal - fields, worked out the threshold voltage, calculated the distributions of the injected current density, carrier concentration and temperature under different offset voltages, and analyzed the impacts of temperature profile and carrier density on the refractive index, fermi levels and optical - field

    具體工作可以概括如下:首先,研究了vcsel的熱場特性,分析了電流擴展,材料參數和工作條件對于溫分佈的影響;其次,從電電壓入手,計算出激光器中的等勢線分佈,並對不同處的電壓和電流分佈進行比較,研究了高阻區的不同位置和不同厚制層和出射窗口半徑的大小對電流密、載流子濃和溫分佈的影響;再次,實現了電、光、熱耦合,求出了閾值電壓,計算了不同偏置電壓下的電流密分佈、載流子濃分佈和熱場分佈,分析了溫和載流子濃變化對折射率、費米能級和光場的影響;最後,給出了考慮n - dbr和雙氧化制層時激光器中的等勢線分佈,分析了n - dbr和雙氧化制層對vcsel電流密、載流子濃、溫和光場分佈的影響。
  8. The cause of vacuum degree formation under groundwater table is discussed in the paper. the testing results show that vacuum degree above the groundwater table is produced directly by pumping air, and that vacuum degree below groundwater table is produced mainly by dewatering and by escaping of sealed air from the end of flexible pipe. based on the bernoulli equation, the limit lowering of groundwater table is analyzed, which is about 5 ~ 7m. the effective influence depth of vacuum preloading has relationship with pvds depth and can be more than 10m

    對地下水位線以下的真空成因進行了分析,結果表明,地下水位線以下測到的真空是由於測試軟管中水位下降或部分封存氣體從軟管末端逃逸引起的,與地下水位線以上的真空由抽氣直接形成在成因上存在不同;根據伯努俐方程,對地下水位下降的極限深度進行了分析,得出真空預壓中地下水位的下降為5 7m ;對有效影響的分析結果表明,真空預壓的有效影響與塑料排水板的打設具備一定關系,有效影響可以超過10m 。
  9. Considering the feature of subgrade deformation, the off set limit and the settlement calculation depth are discussed in this paper

    並結合路基變形特點,對軟土層的屈服、沉降計算等問題進行了探討。
  10. With its round - the - clock opening hours, its good read periodical and its presentation of book shows and lecture series, eslite actively promotes the pursuit of reading. it provides a lifelong learning environment which encourages people at all levels of society to explore their inner depths and fulfill their potential

    誠品書店透過二十四小時不打烊發行好讀刊物舉辦主題書展與演講等各種方法,積推動全民閱讀運動,誠品書店不只是一家書店,而是全民終身學習的場所,鼓勵學生社會人士家庭主婦都能進一步探求自己內心的,讓自己發揮無的可能。
  11. In this modulator, coplanar strips ( cps ) are used as electrodes for they support balance mode propagation of microwave, and this is a desired merit for common optical modulator. due to the miniaturized dimensions, the metallization thickness is in the order of skin depth and the conductor losses are not negligible

    雖然由於金屬的趨膚效應,電場將集中在金屬表面,但在40g以上的頻率條件下,金屬的厚和趨膚在一個量級,而且此時調制器帶寬受到制的最大根源來源於金屬電的微波損耗。
  12. ( 2 ) study on the mechanics mechanism of the calamity caused by the cave of the highway : based on the investigation in detail along the line of the highway in shan - gan loess plateau, the distribution law, the classification and characteristic of hazard of highway cave are presented ; the calamity mechanism of highway cave opposite side slope and road bed is discussed, especially the mechanism of collapsing of the hidden cave in road bed. propose " the effect of hidden corrosion ", etc. 10 kinds send to mechanism of collapsing. based on the principle of limit balance, the formula of the critical treating thickness of hidden cave is put forward as follows : according to different stratum, different size and depth, the calculation of the critical thickness of the hidden cave of roadbed has been carried on

    ( 2 )公路洞穴的致災力學機理研究:在對陜甘黃土高原區公路沿線黃土洞穴詳細調查基礎上,研究了公路洞穴分佈規律、危害分類及致災特點;公路洞穴對邊坡及路基的致災機理,重點是路基暗穴致塌機理,並提出了「潛蝕效應」等十種致塌機制;利用平衡原理導出路基暗穴臨界處理厚計算公式如下:針對不同地區不同地層,對不同尺寸和埋的暗穴,進行了路基暗穴臨界處理厚的計算。
  13. The general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展,主要介紹磁偶子,有長磁偶線和帶,磁粉顆粒的受力,磁化場方向對磁粉顯現缺陷的影響,棒料、管材和方鋼的縱向磁化,工件表面溝槽對其引起漏磁場的影響,周向磁化時工件底棱上的雜亂顯示成因,圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  14. In sichuan red basin, excavating cuttings in gently inclined red beds composed of sandstone and mudstone intercalations, mudstone would be indented inward by weathering, and result in a niche on the slope surface. slope, and the bearing force of the support structure must computed in design. in this paper, the overlying sandstone bed is regarded as cantiever beam, and a calculation method for the bearing force is developed, a calculation example is also given

    分析了四川盆地緩傾角紅層地質結構特徵,將下覆泥巖風化形成凹巖腔后的砂巖視為懸臂巖梁,提出了一種計算泥巖風化凹進極限深度及在設計支撐柱時計算支護力的計算方法,並給出一個計算示例。
  15. In this dissertation, in allusion to the limit that the domestic analysis and studies of the body structure only concentrate on the static bend, torsion and some extreme conditions in nowadays and the studies on transient analysis of the whole vehicle that contains the suspension model, tire model and the road model are few, the applications of the fem on the analysis of the car body structure are studied. and in this dissertation the method of building connecting means models, the dynamic response of the body, the fatigue analysis of the body and the reforming measures of the body are deeply discusses

    本論文針對目前國內車身結構分析的研究只於對車身或車架結構在靜態扭轉、彎曲載荷以及幾種工況載荷作用等幾種情況的研究,對含有懸架、輪胎以及路面模型的整車瞬態響應分析的研究較少的實際情況,對有元方法在汽車結構分析中的應用作了些研究工作,尤其是在車身連接件處理、車身動態響應、車身疲勞強分析、車身結構改進方案等方面進行了較入的探索。
  16. Abstract : the general situation and progress of magnetic dipole theoryresearch during recent twenty years in china were introduced briefly including magnetic dipole ; linear and strip magnetic dipoles of finite lengths ; magnetic force on a magnetic particle ; the effect of magnetizing field orientation on the revelation of defect by magnetic particles ; longitudinal magnetization of rod, tube and cuboid steel ; the relationship between the slot depth in a workpiece and magnetic leakage field ; the cause of stray magnetic pattern along base apex edges of a workpiece magnetized circumferentially ; the analytic expression for the magnetic leakage fields inside and outside the slot on the cylindrical surface of a disc ; and the effect of a needle - like magnetic medium on the magnetic force between two point magnetic charges

    文摘:簡述20年來中國無損檢測中磁偶板子理論研究的概況和進展,主要介紹磁偶子,有長磁偶線和帶,磁粉顆粒的受力,磁化場方向對磁粉顯現缺陷的影響,棒料、管材和方鋼的縱向磁化,工件表面溝槽對其引起漏磁場的影響,周向磁化時工件底棱上的雜亂顯示成因,圓盤邊緣柱面上溝槽內外漏磁場的解析表達式和針狀磁介質對兩個點磁荷間磁力的影響等。
  17. Bounce diving limit

    速返潛水
  18. On the basis of construction technique of large diameter bored hollow pile of prestressing force concrete, through simulation test, this paper simulates the interaction of pile with side mediator and pile with end mediator respectively under different conditions of injected cement paste, analyses the changing regularity of ultimate skin friction in different depths and different mediators, and also studies the changing regularity of end resistance in different end mediators

    本文在對大直徑鉆埋預應力混凝土空心樁的施工工藝分析研究的基礎上,通過室內模擬試驗,分別模擬樁與樁側、樁端介質不同注漿情況下的相互作用性狀,分析了樁側介質變化時不同處樁側摩阻力的變化規律和樁端介質變化時樁端承載力的變化規律。
  19. In this paper, torsional - flexural buckling of single - angle members is researched deeply and systematically by ultimate strength theory and general fem analysis software ansys, and is contrasted with some codes, as a result the simple and practical formulas for stability coefficient are recommended for design purpose

    本文採用理論和通用有元分析軟體ansys ,系統入地研究了單角鋼軸心受壓構件的彎扭失穩,並與多本規范進行了對比分析;在此基礎上提出簡單實用的穩定系數計算公式,以便工程設計參考。
  20. Pre - stressed steel structure, a new kind of structure in which combined pre - stress with steel structure, can take full advantage of the elastic strength of steel, and multiple pre - stressed steel structure can repetitively make full use of the elastic strength of steel, thus it can enhance the structural capacity and further improve the rigidity of structure, proving that it is more economic than single pre - stress. therefore, it is both theoretically and practically important to conduct in - depth research on multiple pre - stressed steel structure

    預應力鋼結構是一種將預應力與鋼結構相結合的新型結構,預應力鋼結構通過施加預應力以充分利用鋼材彈性范圍內強,而多次預應力鋼結構可以反復利用鋼材彈性范圍內,提高結構承載能力並進一步提高結構剛,比單次預應力具有更好的經濟效益,因此,對預應力鋼結構進行入研究具有重要的理論意義和工程應用價值。
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