旋入深度 的英文怎麼說

中文拼音 [xuánshēn]
旋入深度 英文
screw in depth
  • : 旋Ⅰ動詞1 (旋轉) whirl 2 (用車床切削或用刀子轉著圈地削) turn sth on a lathe; lathe; pare Ⅱ名詞...
  • : Ⅰ動詞1 (進來或進去) enter 2 (參加) join; be admitted into; become a member of 3 (合乎) conf...
  • : 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
  • 深度 : 1. (深淺程度) degree of depth; depth 2. (觸及事物本質的程度) profundity; depth
  1. In this dissertation, through computer simulation, the problems of modeling, control and guidance of auvs are presented. the first part of this dissertation addresses the problem of dynamically modeling of auvs, and derives thrusters " two - dimension nonlinear dynamic model, which has axial flow speed and propeller rotational velocity as two state variables, voltage or current of motor as inputs, and thruster force and torque as output. the second part focuses on the nonlinear adaptive sliding mode control of auvs in diving plane and steering plane

    本論文系統研究了自主式水下航行器的建模、非線性自適應滑模控制、以及調整和水平面導引方法等問題,具體成果和創新點如下1 、根據流體力學理論,建立了螺槳推進器的動態模型,它以螺槳來流速v _ p和螺槳轉速n為狀態變量,以電機施加轉矩為輸,螺槳推力t和轉矩q為輸出。
  2. In this paper, the rotating machinery at high speed is studied. there are discussed about numerical calculating methods for non - linear dynamical system, the rotor system radial impact and rubbing dynamics behavior analysis having the nonlinear rigidity on the unsteady and non - linear oil film, the rotor system dynamics behavior analysis with bending - torsional - pendular coupling vibrations, application of wavelet, fractal and network in fault diagnosis. the main works in this paper are as follows : ( 1 )

    本文以高速轉機械為主要研究對象,系統、地研究了非線性動力學系統的數值計算方法、具有非線性剛的轉子系統在非穩態非線性油膜力作用下的徑向碰摩動力學行為、轉子彎扭擺耦合振動的動力學分析、小波和分形理論及人工神經網路在故障診斷中的應用問題。
  3. 3. the trapping characteristics of ordinary helical gear pump are lucubrated by theory for the first time, the theoretic relation of the gear rotor between the end overlap coefficient and trapping phenomenon is discussed respectively with clearence or without clearcence, and the relation of trapping volume with the rotational angle turn is also discussed. the selective range of the helical angle that can eliminate completely the trapping of helical gear pump is gained, which never appeared in literature before

    首次對普通斜齒齒輪泵的困油特性進行的理論研究,分別討論了有側隙和無側隙時普通斜齒齒輪泵轉子的端面重合與困油現象之間的理論關系,以及困油容積隨轉角的變化關系,得到了完全消除斜齒齒輪泵困油沖擊的螺角機械科學研究院博士學位論文的選擇范圍。
  4. Alkali basite, which came from upper mantle or lower crust, invaded through those structure, which not only bring cu et al mineralizing elements, but also the most important is that thermal energy. it cycled the formation water ( yinmin fonnation and luoxue formation ), and form alkali - rich, middle - high temperature and salinity fluid mixed with alkali - rich magmatic water. there were high rate of percolation and well voidage in the contact zone between yinmin purple stratum and yinmin rubblerocks, which is in favor of the transposition and mineralization of minerogenetic fluids

    因此,總結東川稀礦山式銅礦成礦模式為沉積( fe 、 cu ) ?熱液疊加( cu )改造:晉寧-澄江期,小江大斷裂發生走滑運動,在東川礦區造成右行扭及其派生構造,形成「 z 」字形落因破碎帶,同時來自源(下地殼或上地幔)堿基性巖漿侵,不僅帶來了大量cu等成礦物質,更重要的是提供了熱源,促使地層水(落雪組白雲巖和因民組紫色層)循環,與富堿( na和k )巖漿水混合,形成富堿中高溫高鹽流體。
  5. Based on the relationship between the change of the cornea thickness and optical path length, the ablation profile for the correction of wavefront aberration is presented and simulated on computer. the process of scanning - spot excimer laser is studied and simulated on computer. models for calculation of residual wavefront aberration on situations of lateral decentration and torsional misalignment are brought up

    使用改變光程的方法建立起波前像差與角膜切削量之間的關系,並對像差矯正模型進行計算模擬;研究了小光斑準分子激光飛點掃描模型,對飛點掃描過程進行計算模擬;提出了中心偏移和轉情況下剩餘像差計算模型,為定量研究切削中心定位精對像差矯正的影響提供了依據。
  6. The distributed plc system of the floodgate ' s opening measuring presented by the paper has many advantages such as high reliable operation, high measuring precision, having the network communication function, convenient installation and correction, etc. this thesis further studies the key device for the floodgate ' s opening measuring, the rotary encoder, selects the absolute rotary encoder adopting the binary cyclic code, studies the method for transforming the cyclic code to the binary data and according to the transforming formula designs the ladder diagram program

    本論文研製的分散式plc閘門開測量系統具有工作可靠、測量精高、具有聯網通信功能、安裝和校正方便等特點。本論文研究了閘門開檢測的關鍵器件? ?轉編碼器,選用了採用二進制循環碼編碼的絕對式轉編碼器,研究了將二進制循環碼轉換為二進制數的方法,根據轉換公式設計了plc的梯形圖轉換程序。
  7. As a result of the heightening of mechanical operation speed and the application of new materials and new structures, the nonlinear dynamic behavior in rotating machines is becoming increasingly outstanding and important. nonlinear dynamic phenomena in rotating machines cant be described, explained and predicted by rotordynamics based on linear system theory. along with the deepening and permeating of nonlinear scientific research, the nonlinear vibration of rotor systems has become an attractive field in recent years. from a point of view to set up the distinct corresponding relations between vibration states and failures of rotating machines, main advances in the research of rotor nonlinear vibration are summarized, and typical nonlinear dynamic phenomena and their forming mechanism are also summed up in the paper. the aim of the paper is to enrich the diagnostic knowledge base of rotating machines. 55refs

    由於機械運轉速的不斷提高和新型材料、新型結構的推廣應用,轉機械的非線性動力學行為日顯突出和重要.基於線性系統原理的轉子動力學理論與方法難以對實踐中出現的豐富的非線性動力學現象作出準確的描述、闡釋和預測.近年來,隨著非線性科學研究的和滲透,轉子系統非線性振動已成為應用力學和機械工程領域的研究熱點之一.從有利於建立轉機械振動狀態集與故障集之間的映射關系出發,綜述了近年來轉子系統非線性振動研究的主要進展,總結了轉子系統中出現的典型非線性動力現象及其產生機理,目的在於豐富轉機械故障診斷知識庫.參55
  8. Guided by a series of theories and methods of high - resolution sequence stratigraphy and sedimentology, the characteristics of medium - term, short - term and ultra short - term base - level cycle sequences have been studied in chang 6 member, upper triassic, fuxian exploration area, and the base - level cycle sequence structure types and stacking - patters formulized in detail. the sedimentary characteristics of two types of sedimentary facies, four kinds of sedimentary subfacies and ten species of sedimentary microfacies have been generalized. it has been researched that the distribution and evolution rule of sequence sedimentary facies

    本文以高解析層序地層學和沉積學的理論與方法為指導,研究了富縣探區上三疊統長6段中期、短期和超短期基準面迴層序的特徵,詳細闡述了各級次基準面迴層序結構及疊加樣式;總結了長6段兩類沉積相、四種亞相以及十種微相的沉積特徵;闡明了長6段層序沉積相的展布與演化規律;在論述高解析層序地層和沉積相與儲層發育關系的基礎上,評價預測了本區長6段的有利儲集相帶。
  9. Thirdly, decrease the difficulty of the character recognition through studying the method of character preprocessing ; at last, some effective methods of feature extraction, such as the one based on image transform with the invariant features which keep stable while the picture move, rotate and zoom in or out, and the other focused on the shape of character and features of direction

    三、探討了字元識別的預處理方法,減少字元識別時的運算量和難。四、討論了三種特徵向量的提取方法,一種是基於平移、轉和尺不變性的圖像變換法,一種是計算中心矩的方法,再就是強調字元形狀和結構的方向特徵量提取法,實驗中通過最小距離法進行字元的分類識別,匹配時間少,識別率有所提高。
  10. Facing a 800m ? tower building that has a core barrel, shear walls and super - wide columns on the four corners, and attempting to have it the so - called “ profound fashion ” required by the owner, we decide and start with such three aspects as “ convolution, shade & shadow, reflection ”

    面對一個既有核心筒體,四角又存在剪刀墻及超寬柱的800平方的塔樓建築,妄圖將其揉化出一種業主要求的所謂「邃的時尚」 ,我們才決定從「迴、光影、鏡射、 」三個角手。
  11. On the basis of sedimentary facies division, the author firstly divided super short - term and short - time base - level cycle on well drilling cores, and playback the cores to well logging curves to scale them, and set up different classes of base - level cycles answered to well logging respond models. finally the author discussed how to use log well curve to divide super short - term and short - time base - level cycle characters, and to set up super short - term and short - term base - level cycle comparison framework, and analyzed sand body origin cause of formation type and spreading rules

    的沉積相研究基礎上,對鉆井巖芯進行了超短期?短期基準面迴劃分,將巖芯歸位,並對測井曲線進行刻,建立了不同級次基準面迴的測井響應模型,進而應用測井曲線劃分低級次基準面迴,建立了超短?短期基準面迴地層格架,探討了砂體成因類型及展布規律。
  12. The spiral sheet metal carry the lotus test to be apply in the bearing power test of the deep foundation soil and water table following foundation soil extensively because the ability goes into the surface of earth is following the certain depth area curve carry on test, according to the element that the spiral sheet metal carries the lotus test, through contrast with plate load test, the spiral sheet metal carries the lotus test to be applicable to the shallow storey foundation soil equally, the size of the spiral sheet metal time area concentration diagram is not big to the test result influence, the spiral sheet metal carries the bearing power of the lotus test assurance to no longer carry on the depth area curve redress

    摘要螺板載荷試驗因能地面以下一定進行試驗而廣泛應用於層地基土及地下水位以下地基土的承載力測試,根據螺板載荷試驗的原理,經與平板載荷試驗對比,螺板載荷試驗同樣適用於淺層地基土,螺板面積的大小對試驗成果影響不大,螺板載荷試驗確定的承載力不再進行修正。
  13. Cd1 - xznxte single crystal with good crystallinity has been grown by the descending ampoule with rotation method - before this, high - purity cd1 - xznxte polycrystal materials have been synthesized from 6n gd zn te in the same ampoule. on the basis of this, we deeply explore method of detector fabrication. and we also studied the level and density of traps in detector. gold, indium and c have been deposited as electrodes on polished and chemically etched surfaces of samples with the sizes from 5 5 1 to 10 10 1. 5mm to compare different contact technologies. the behavior of detector ' s leakage current with temperature and leakage current with time were studied as well as th current - voltage characteristics to deduce the level and density of trap in detectors

    我們利用熔體溫振蕩法在石英安瓿中將6n的單質cd 、 zn 、 te合成多晶原料,用坩鍋轉下降法在同一安瓿中生長出尺寸為20 40mm的cd _ ( 1 - x ) zn _ xte晶體。在此基礎上對碲鋅鎘探測器的工藝進行了較的研究,製作了厚1 ? 1 . 5mm的探測器,測試了c 、 in 、 au等不同金屬的電極接觸性能,並在國內首次通過測試器件的i ? v 、 i ? t曲線、弛豫特性和電容特性對電阻率、陷阱能級、陷阱濃進行了分析,同時測得的~ ( 241 ) am源的能譜。
  14. By presenting the simplified flow model, the flow and velocity triangles were analyzed. in the paper, the author excavated the performance, calculated the velocity - pressure and flow loss of the worm shell, the outlet element of the pump

    論文還研究了螺型離心泵的蝸型擴散管的結構和原理,計算了蝸型管的速、壓力、流動損失,分析了擴散管的增壓原理。
  15. The transmittance of zno thin films with suitable doping molar ratio is above 80 % in the uv - visible range. the films obtained in this work show to have a high c - axis orientation, smooth and smooth morphology, high electrical resisitivity and high transparency, which can meet the requirements for piezo - electrical devices

    本論文通過對li : zno以及( mg人中znot4膜的分析研究,地探討了塗方式、熱處理溫、摻雜濃和熱處理方式等對zno膜結晶取向的影響以及電學和光學性能的影響關系等,對z ; 。
  16. Under different rev and loads, the optimal diesel / alcohol proportion would be different. in order to find out the change rule of optimal diesel / alcohol proportion, an orthogonal regression rotating experiment of three factors ( rev, diesel / alcohol proportion and load ) at five levels has been carried out. based on the experiment, four regression equations including energy consumption, soot emission, noise level, and power equations concerning the three factors have been established

    在性能試驗的基礎上,還進行了三因素五水平的二次正交回歸轉組合試驗,建立了能耗率、煙、噪聲、功率與轉速、酒精摻燒率及負荷率之間的回歸模型,通過分析可知,這些模型具有較高的可信;利用這些模型,本文最後對不同工況下的最佳酒精摻燒率進行優化分析,並利用正交多項式回歸,求出了最佳摻燒率與轉速、負荷之間的回歸模型,該模型在今後的研究中將起到一定的指導作用。
  17. The efficient encoding problem of ldpc codes is discussed in detail, and the reasons that tornado codes and repeat accumulate codes are linear encode - able and the relationships between them and efficient encode - able ldpc codes are presented. two constructions of linear encode - able ldpc codes are brought up and their performances under awgn channels are simulated

    對低密校驗碼的快速編碼問題進行了研究,指出了風碼和重復累積碼能夠達到線性編碼的原因及其與可快速編碼的低密校驗碼之間的關系,提出了兩種可線性編碼的低密校驗碼的構造方法並對其在高斯通道下的糾錯性能進行了模擬。
  18. Being a new mechanism of typhoon intensity variation including intensity mutation and a leading task in typhoon dynamics, vortex rossby waves ( referred as vrw hereafter ) theory was studied in depth by professor montgomery and his students of colorado university

    rossby波( vrw )理論是臺風強變化包括強突變的一種新機制,是目前臺風動力學的一個前沿課題。美國科州大學montgomery教授和他的學生們對此進行了的研究。
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