速度合成定律 的英文怎麼說

中文拼音 [chéngdìng]
速度合成定律 英文
composition of velocity law
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : Ⅰ名1 (法律; 規則) law; rule; statute; regulation 2 (律詩的簡稱) short for lüshi 3 (姓氏) a ...
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. (快慢的程度) speed; rate; pace; tempo
  1. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd : yag激光器的發展狀況、主要特性及其應用,從四能級率方程出發,推導了ld泵浦nd : yag激光器的閾值、輸出功率和斜效率的表達式,並簡述了激光器的工作原理、結構型式和倍頻方法;其次,以空間相關的率方程為基礎,提出了ld端面泵浦nd : yag激光器的設計方法,給出了一泵浦耦方式下,振蕩光模尺寸、最佳輸出耦率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據,以此為依據,設計了自聚焦透鏡耦小功率ld泵浦nd : yag激光器和透鏡組耦高功率ld泵浦nd : yag激光器,對激光器的輸出功率和功率穩性等特性進行了實驗研究;再次,在帶尾纖輸出的高功率ld泵浦nd : yag激光腔內插入一隻空液晶盒,觀察到了激光器以單縱模運轉;最後,根據泵浦光焦斑端面位置對激光輸出功率的影響規,提出了ld端面泵浦nd : yag激光位移傳感新方法,並進行了理論和實驗研究,研究結果表明:當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時,激光輸出功率的自然指數與泵浦光焦斑的縱向位置高斯變化規,測量范圍和靈敏依賴于泵浦功率,隨著泵浦功率的增加,測量范圍擴大,靈敏提高,當端面泵浦功率為7 . 24w (最大輸出功率為1 . 926w )時,激光位移傳感器的測量范圍和靈敏分別是13 . 045mm和0 . 148mw / pm 。
  2. Find the law of the influence from the injection pressure to the filling time and the cavity pressure and make certain of the best filling time, injection time and injection pressure. though the analysis of the flowing velocity and pressure spread of the key position element in the injection parts in different gate position, we forecast the injection parts quality and the possibility injection flaw and its position, optimize the gate position. in this paper, though the research of analogue of the runner system of metal - powder injection molding and the process of injection molding, we get the law of how the injection parameter influence the injection process

    在相同的注射條件下,通過分析喂料在不同直徑和長流道中的流動規,得到了喂料在流道中的場、壓力場和溫場,找到了流道長徑比的理取值范圍,並得出通過改變流道設計可實現對現有設備資源充分利用的結論;給出了不同注射壓力下,型腔壓力與充模時間關系曲線和喂料熔體平均充填與充模時間關系的曲線,得到了注射壓力對充填時間和型腔壓力的影響規,確了最佳的充模時間、注射時間和注射壓力;通過分析採用不同位置澆口注射時注射件關鍵位置單元的流動和壓力分佈,預測了注射件的形質量,或可能產生的注射缺陷及位置,優化了澆口設置。
  3. The concept of the optimize design is proposed and its mathematic foundation is analyzed in this paper. after comparing several optical calculation methods, the one that is suitable for the lubricating system is chosen and analyzed in detail about its concept, characteristic and some focal points. meanwhile, combining with the analysis of the relationship among the parts and structure of marine low - speed diesel lubricating system, the internal disciplinary, other pipeline system and main engine, aiming at reducing the initial investment and the running cost in a certain years, the mathematic model of the system is built and the object function and subjected conditions are set up

    本課題闡述了最優化設計的概念,分析了最優化設計問題的數學基礎,比較了約束多維問題的幾種優化方法,選取了適於潤滑油系統的優化設計方式,並對該方式的概念、特點及其應注意的問題進行了較詳細的分析;同時,結海船低柴油機潤滑油系統的組部件及其結構以及潤滑油系統內部規與其它管路系統、船舶主機的關系的分析,從經濟性的角,以設備初投資及其在一年限內的耗能費最低為目標,建立了本系統優化設計的數學模型,確立了目標函數和約束條件。
  4. This article has been divided into five chapters, the contents of five chapters respectively are : the contents of the first chapter are about pollution compensation that oil leakage of the ships lead to in " maritime law " ; the contents of the second chapter are about delay delivery of the goods in " maritime law " ; the contents of the third chapter are about the cargo lien that the marine carriers have in " maritime law " ; the contents of the fourth chapter are about the rights that the shippers can change and terminate the contract unilaterally in " maritime law " ; the contents of the fifth chapter are about the limitation of liability for maritime claims system in " maritime law ". the contents of each chapter of this article are about a flaw of " maritime law ". as a result of the limit of article length and the limit of author ability, it is impossible to analyze the article of " maritime law " gradually, the article is only about five quite important flaws of " maritime law " to form five chapters, then we will introduce them gradually

    但是,隨著我國加入wto ,國際貿易和海上運輸迅的發展, 《海商法》在實施中暴露出很多不足。因此,有必要遵循科學性、適時性和法制統一性等立法的基本原則,對《海商法》及時進行修改。筆者認為,應當認真總結《海商法》功的經驗和失敗的教訓,從目前和今後一個時期海上和與海相通的內陸水域的運輸和經濟貿易的現實和發展對法的需要出發,參照和借鑒其他民商立法、國際海事條約、民間規則和同格式,以及國外先進的立法例,吸收海商法理論研究果,並考慮國際海事立法的發展趨勢,在船舶油污損害賠償的規,遲延交付的規,海上貨物留置權的規,托運人變更解除同權利的規,海事賠償責任限制制的規等幾個方面修改現行《海商法》 。
  5. ( s ) weathering and unloading action which are the two main exogenous process is active in epigenetic - surface. so, although one is different with the other, they are associated with each other closely and are cntrolled by geostress and seepage fields. in fact, weak weathered zone corresponds to weak load - off one, strong weathered zone corresponds to strong load - off one in virtue of result of this dissertation. ( 6 ) rock mass is a geologic body which is composed of rock and structural plane. and under the condition of geostress. temperature and seepage fields, correspondingly. studying weathering should pay attation to the aspects of rock, structural plane and fields. according to this. the author subdivises rockmass weathering into rock weathering and structural weathering, ulteriorly, the dissertation studies rockmass weathering from three aspects as follows : ? ock weathering : aberrance degree of mineral and physical mechanical performance of weathered rock ; ? e have already knew that weathering action damage the integrity of rock mass, but few applies it to engineering practice. the dissertation is based on trend o

    本文研究結果為弱卸荷與弱風化大致對應、強卸荷與強風化大致對應; ( 6 )巖體是由組它的巖石與缺陷賦存於一環境場中的地質體,據此本文將巖體風化細劃為巖石風化與結構面風化,並進而將表徵巖體風化的指標相應地歸結為三個方面來加以研究並應用於工程實踐,這就是:對于巖石風化,主要為礦物的變異程與風化巖石的物理力學性能研究:雖已認識到風化作用破壞了巖體完整性,但將該理論應用於巖體風化分帶卻不多見,本文即從淺表部位硬性結構面間距、條數、跡長、塊等隨遠離臨空面的變化規來研究巖體風化分帶:不同風化、卸荷程的巖體實際處于不同環境場中,彈性波變化與特環境場相對應,因而是反映巖體風化、卸荷的綜因素。
  6. Composition of velocity law

    速度合成定律
  7. By comparing the numerical results of water infiltration with air and without air, it is shown that the method in this paper is more effective for solving problems of water infiltration in unsaturated soil. in this paper the forming process of oil - bearing basin is the main research object and the mathematic model of geology is built, in order to simulate the dynamic forming process of stratums especially oil - bearing stratum in geology history in the time and space concept, further to investigate the history of petroleum forming, transmitting, accumulating and predict the distributing rule and scope of petroleum, and offer an rapid, quantitative, exact, general choice for the researcher of petroleum geology. with denudation, poor - compactness and sedimentation hiatus, the stratum relations of sedimentation section is judged, and the ancient thickness and pressure of stratum layer are recovered by the inversion method of back stripping. the numerical simulation algorithm of recovery of geological history is also given

    為了利用現代化的計算技術再現含油氣盆地的地史演化發育過程,以便進一步量化研究油氣的生、運移和聚集的歷史以及預測油氣分佈規、分佈范圍,為石油地質學家提供一個快、準確、量、綜的研究手段,本文就含油氣盆地的地史演化發育過程為主要研究對象,建立了數學地質模型,運用優化理論與演算法,在考慮了剝蝕、欠壓實、沉積間斷等地質現象的情況下,採用回剝反演法,應用鉆井、測井、地震等方法獲得的地層物性資料,判別沉積剖面中地層的接觸關系,恢復地層的古厚、古壓力,構造了地史恢復的數值模擬方法。
  8. In this paper, combined with the construction of shangqiu to kaifeng freeway, the component design method of cement - stabilized silty soil and the strength, modulus and anti - cracking performance of the mixture are researched systemically in lab and on site

    本文結商丘至開封高公路底基層的修建,對大劑量水泥穩粉質土材料組比、強、模量、抗裂性等變化規進行了室內、外系統試驗研究。
  9. Combining with the practice of development of modern enterprise group, the paper analyzes the forms of growth of modern enterprise group, concludes the common laws of enterprise growth by the model of enterprise modularity analysis. besides, this thesis studies the effects of the equilibrium of enterprise value chain structure to its growth, proves the mechanism of economic technology matrix of enterprise value chain deciding the growth speed of modern enterprise group, puts forward the approach of modern enterprise group realizing growth from the angel of complexity, points out the intension of the mainly present enterprise growth theories, such as scope economy theory, diversification theory and globalization operating theory

    論文結現代企業集團長實踐,分析了現代企業集團長的實現形式,並運用企業價值鏈結構模塊化分析模型,總結了現代企業長的一般規,重點研究了現代企業集團集約化長與企業價值鏈結構均衡性的內在關系,證明了企業價值鏈經濟技術矩陣水平對企業及效益的決機理,提出了現代企業集團實現高長的路徑,從結構復雜性的角進一步揭示了范圍經濟理論、多角化理論、國際化經營理論等當前主要企業長理論的本質內涵。
  10. First, the basic raster graphics algorithms for drawing 2d primitives are introduced, including edge coherence and the scan - line algorithm of triangle, brush algorithm of thick line ( and its improved method ) and midpoint circle and ellipse algorithm ; and the current situation of the advanced algorithms is also involved. second, the mapping of high level programming language to hardware description language is described, some principles of the conversion of algorithm to state machine are proposed also ; then, the implementation of basic graphics in hardware is discussed in detail, the state machines are drawn in the paper, and the interfaces of hardware are defined, block diagrams too, and the advanced algorithm of conic is proved ; finally, some issues about test are described, the results of simulation and synthesis are given in the last, and some detailed data are displayed in the appendix

    首先介紹了現有的基本圖形生演算法,包括三角形邊相關掃描演算法,寬直線的線刷子演算法及其改進和圓形、橢圓的生演算法,同時介紹了加演算法的研究現狀;然後,討論了高級語言描述到硬體描述語言的映射,提出了演算法到狀態機抽象的規;接著具體討論了基本圖形的硬體實現,給出了各演算法的狀態機圖,介面義和實現框架,並且從理論角給出了二次曲線加演算法的證明:最後採用軟體工具進行測試驗證,給出了模擬、綜實現的結果,並在附錄中有詳細的實驗結果數據。
  11. On the basis of reviewing the field in car following in the world, the disadvantage of time series data of car following in existing research was found in this dissertation. the direction of research breakthrough were : high precision car following field data collecting methodology without jamming, the index and methodology of classing the car following phase in expressway, constructing car following model uniform with randomicity and orderliness, train of thoughts and technology route were : starting off practice, depending on high precision instrument to collect car following data, exercising scientific theory methodology, combining with computer simulation

    文章在認真分析國內外車輛跟馳理論領域研究的基礎上,綜評述已有的果,發現已有的研究缺乏描述跟車行為的時間序列數據,針對跟車模型存在的問題,選研究的突破方向為:無人為干擾的高精車輛跟馳實測數據採集方法、在實測數據基礎上,性與量相結,確路車輛行駛狀態指標及其種類劃分的方法、建立隨機性與規性相統一的車輛跟馳模型。
  12. Abstract : in the paper a kind of new idea based on electric field theory is advanced, which is used in research of forming law of electrochmeical perforation with fixed cathode. according to it, the changing law of electric intensity, current density, velocity of perforation in ecm on the machined surface are presented

    文摘:根據電場理論,提出了一種研究固陰極電化學射孔形規的新的處理方法,分析了該加工方式下陰極表面電荷密及加工區的電場強、電流密、加工等在加工過程中的變化規,為這種簡易加工方式的理應用提供了嚴密的理論依據。
  13. Newton the first theorems what acceleration and object being an object accept agrees well with outside force f direct proportion, and the object mass becomes inverse ratio, the acceleration direction and the direction closing an outside force

    牛頓第二是物體的加跟物體所受的外力f正比,跟物體的質量反比,加的方向跟外力的方向相同。
  14. According to the structure characteristics and motion rules of the new type nursing robot, the close loop control system of this new type nursing robot is designed and made with the virtual instrument developing software labwindows / cvi, mcu, piezoelectric ultrasonic motor and high precision optical incremental encoder, which can make the robot reset and rotate by the predefined tracks. at the same time, in order to make the nursing robots used more widely where intensity, precision and price are not high, another control system is designed with the step motor, virtual instrument developing software labwindows / cvi, multi - function daq card pci1711, linear power amplifier. in order to use the nursing robots in acupuncture therapy, a simple finger is designed

    在對其結構特點和運動規分析的基礎上,本文以虛擬儀器編程語言labwindows / cvi為軟體開發工具,以單片機為控制核心,以超聲電機為驅動元件,以高精光電編碼器作為和角位移檢測裝置,實現了機械臂的復位以及預軌跡的閉環控制系統的開發;同時為適應一些強不大、精要求不高的應用場,也為降低本,簡化控制裝置,推動新型護理機械臂短期內應用推廣的需要,以目前應用較為廣泛、控制技術較為熟的步進電機為驅動元件,用labwindows / cvi開發環境、 pci1711數據採集卡以及線性功率放大器開發了一套控制系統,實現了手臂的復位、勻運動以及預軌跡的控制系統;為推廣護理機器人在針灸理療中應用,設計了簡單的手指機構並利用labwindows / cvi開發環境,以及智能材料驅動器? ?層疊式壓電驅動器,進行了手指的抓取以及對驅動對象的轉動控制。
分享友人