整數角動量 的英文怎麼說

中文拼音 [zhěngshǔjiǎodòngliáng]
整數角動量 英文
integer angular momentum
  • : Ⅰ形容詞1 (全部在內; 完整) whole; all; complete 2 (整齊) neat; tidy; orderly Ⅱ動詞1 (整理; 整...
  • : 數副詞(屢次) frequently; repeatedly
  • : 角Ⅰ名詞1 (牛、羊、 鹿等頭上長出的堅硬的東西) horn 2 (古時軍中吹的樂器) bugle; horn 3 (形狀像...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 整數 : 1. (不含分數或小數的數) integer; whole number; integral number2. (沒有零頭的數目) round number; round figure
  1. Aiming at the problem that the seeds picked up by the suction plate of the seed metering device cannot accurately fall into the seed pit opener as well as into the seed pit, an innovated seed metering device on which the seed dropping angle can be adjusted within a certain range and a new testing stand have been developed in accordance with the mathematical calculation model that had " in accordance with the mathematical calculation model that had been established previously. then an experimental study is conducted and the seed dropping law has been found out through the study

    本論文根據2bqm - 2型氣吸式精鋪膜播種機的結構和工作原理,針對該機在實際播種中,吸種盤吸出的種子不能滿足準確地落入在膜上滾開穴的鴨嘴內,並及時地排入到鴨嘴所成的穴孔內的設計要求,進行了一定的試驗研究,利用已建立的計算學模型,設計新的試驗臺,改進排種器,使排種器的落種度可以在一定的范圍內調
  2. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,正文分別從統計學、博弈論和投資組合三種度對涉外紡織品貿易公司風險進行了定性和定的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指?紡織服裝指( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標,利用計經濟學中時間序列的協檢驗、 granger因果檢驗和脈沖反應函等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的度具體分析一家紡織品出口公司( beauty )的外貿活所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條件的限制下,給出了一個相應的投資組合模型。
  3. The good : many improvements over the previous game ; fixed camera angle and new gameplay dynamics ; tons of guest appearances and cameos ; wonderfully rich familiar environments ; excellent voice acting and music

    優點:相比前作有很多進步的地方;經過調的視系統和新的遊玩生機與力;有大的客串色的出現和對他們的描繪;那些熟悉而親切的場景的驚人的豐富;卓越的配音和音樂。
  4. We can get many physical parameters through indicator diagram acquired in the experiment. such as indicator work, mean indicated pressure, maximal pressure and corresponding crank angle, maximal rate of pressure rise and corresponding crank angle and mass fraction burned, heat release rate, etc. these physical parameters can analyze and show primary in - cylinder combustion process in engine

    通過實測的示功圖,經過計算理可以獲得諸如指示功、平均指示壓力、最高燃燒壓力及其對應曲軸轉、最高壓力升高率及其對應曲軸轉、已燃質、燃燒放熱率等物理,可供進一步分析和揭示發機缸內燃燒過程。
  5. Chapter 2 is " review in the perspective of history ", it analysis the history progress and the basic law evolved in the chinese farmland institution, it indicates that the population pressure is the basic motive to drive the transition of the chinese farmland institutions. the population pressure would inevitably cause social crisis if rural labor can not be transferred completely, and finally leads compulsive population decrease through the dynasty change

    第2章「歷史視的回顧」著重分析中國農地制度演進的歷史進程和基本規律,指出人口壓力是推中國農地制度變遷的基本力,如果不能實現農村勞力的有效轉移,人口壓力必然導致社會危機,並以「改朝換代」式的大蕩實現人口的強制性(災難性)調
  6. Phascon technology introduced in this paper is to improve the outer operation parameters of ac motor, by on line detecting the motor phase angle between current and voltage to adjust the input supply voltage to the motor, to realize the flexible power management mode for ac motor, so as to increase the operation efficiency and reach energy - saving purpose

    本文闡述的相控技術是從改善電機外部運行參入手,通過實時檢測電機運行相位來調電機的輸入電壓和電流大小,實現柔性化能管理模式,提高電機效率達到節電的目的。
  7. Analyze item by item the position of unintact cycle, the running clearance of unintact cycle, locking - deform, datum dimension regulating, repeatly install, power voltage wave and marking running etc. at the same time, we give the calculating formula to calculating the running marking random error, and use it to calculate the system error of big diameter measure instrument - - datum dimension frame error, gyro - wheel diameter error, error caused by circumstance temperature, error caused by backing distance, angle error, delay error of data collecting circuit, lathe main shaft running error, workpiece install partial error

    對不完圓的位置、不完圓的轉間隙、鎖緊變形、基準尺調、重復安裝、電源電壓波、標記轉等隨機誤差進行了逐項分析,並給出轉標記隨機誤差的計算公式。對大直徑測儀的系統誤差?基準尺尺架誤差、滾輪直徑誤差、環境溫度引起的誤差、後退距離引起的誤差、度誤差、據採集電路延時誤差、車床主軸回轉誤差、工件安裝偏心誤差分別進行了計算,最後對誤差進行合成。
  8. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函概念,建立了正弦脈寬調制( spwm )逆變器供電異步電機,考慮主磁路飽和時的變頻調速系統學模型,模擬系統的低頻振蕩;其次從逆變器-異步電機系統能轉換度出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  9. 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深入和細致的研究。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體工作表現,通過建立學模型和開發相應的計算程序,得到了熱管內部毛細流和傳熱的據,分析了熱管在不同工作傾、不同加熱熱流以及不同工作溫度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極限。
  10. The main task of this paper concentrates on such parts as calibration of measurement sensor, high speed and accuracy image collection and processing, data fusion of different angle of view, visualization of measuring results. to accomplish sensor calibration, a pinhole model of the camera is employed and an equation of a light plane is setup. parameters such as the m array of the pinhole model and the normal vector of the light plane arc acquired through experiment. in image processing, we adopt the template - changing parallel thinning method to improve processing speed and accuracy

    主要研究了攝像機針孔模型的建立及測傳感器的標定;圖像的快速高精度的採集和處理,在圖像處理中採用多幀平均演算法,很好地解決了速度和精度之間的矛盾制約;根據旋理論建立空間坐標變換學模型,進而建立其不同視下的測據融合演算法,生成完的物體三維據集合;在vc平臺下編寫三維顯示軟體模塊,完成三維測結果的可視化,實現了三維物體的任意度的觀察、任意倍的放大和縮小、任意方向平移及畫效果。
  11. The main achievements are as follows : the theory models of defect mfl field are set up ; based on the magnetic dipole model and finite element model, the distribution of defect mfl field is simulated in the dissertation ; the component of flux density ( magnetic filed ) parallel to the surface of pipe is detected by a circumferential array of hall probes ; the factors including defect geometry parameters, defect surface angle and shape, pipe material, field intensity, vehicle velocity, background magnetization, operating pressure and remanent magnetization and so on influence the mfl signal characteristics

    採用霍爾元件作為缺陷漏磁檢測傳感器,獲得管道軸截面漏磁場切向分的漏磁信號;研究了缺陷外形尺寸、缺陷傾和形狀、管道材質和磁化強度、檢測儀移速度、管道背底磁場、管內壓力和剩磁對漏磁信號的影響。提出了各通道增益放大、各路漏磁信號偏離調、波形微分、字濾波和平滑等漏磁信號預處理方法;分析了等空間采樣的漏磁信號轉換為等時間采樣信號的必要性,研究了漏磁信號的小波去噪方法。
  12. Firstly, object - oriented programming method and relation database technology are used to realize protective information management, with a multiple tires " client / server architecture. using it, the technical staffs can check all kinds of reports, fault waves and setting values of protection. secondly, based on protective principles of ta21 series protection devices, protective function is simulated by using object - oriented technology

    首先,本文將面向對象方法和關系據庫技術結合起來,採用psmis的多層客戶?服務器體系結構實現對保護信息的管理,以便供電段技術人員查看保護裝置的定值、各種報告、故障錄波(系統不僅能顯示波形,還能態顯示波形每一點的峰值、有效值、相位,甚至阻抗值及阻抗、諧波含等) 。
  13. From 100 meters to 2 meters, the restriction of angle of view is considered. during different phase, using different focus of image sensors to keep the image of feature points in the field of view ( fov ). and then analyze the three kinds of random noise affecting ccd imaging quality

    在目標器上配置多特徵點的條件下,建立了運的測模型,並對此模型進行了誤差分析,得到影響測精度的誤差因素;同時,為保證目標器的特徵點在個交會對接過程中不溢出視場,提出了在100m 2m的交會對接過程中對ccd視場的約束條件。
  14. Triangle mesh models have been established as the most general and flexible schemes to represent complex surface models in the area of reverse engineering ( re ), rapid prototyping manufacturing ( rpm ), numerical control ( nc ) programming, 3d animation, etc. but the models reconstructed from real - world data may contain unavoidable noise and many narrow triangles, so the models must be optimized and modulated under given tolerances

    網格模型是逆向工程、快速原型製造、控加工編程、三維畫等技術中常用的模型表示方法,模型的質直接影響到產品的質,尤其在逆向工程中,直接通過測據得到高質的網格模型幾乎是不可能的。因為,測據中不可避免地存在各種噪聲和擾,因此在滿足幾何精度要求的前提下,對網格模型進行優化調,以提高模型質就十分必要。
  15. The dual standard quantity ( the work piece and the discrete standard quantity ) mutual measuring and model verification methods are also proposed, which perfects the whole modifying process from data measuring, error separation, model establishment to real correction. after researching the discrete standard quantity system dynamic error separation technique, two error correction methods based on genetic algorithm and neural network mixed modeling technique are established. the two methods are the discrete standard quantity dynamic error direct / synchronous correction and prediction model correction ; the model ' s parameters and model ' s exercising method are also confirmed

    設計了雙標準值(工件和離散標準)互比測的模型驗證方法,完善了從據測、誤差分離、模型建立到實際修正的個修正過程;研究了離散標準系統態誤差分離技術,建立了基於遺傳進化演算法與神經網路混合建模技術的兩種誤差修正方法? ?離散標準態誤差直接(同步)修正方法和預報模型修正方法,並確定了模型結構參和模型訓練方法;分析了預報模型的多次預報性質,並得出了多次預報與多步預報的等效關系,確定了測系統的有效預報范圍以及模型參對泛化誤差的影響;進行了模型的對比實驗驗證和被測工件態誤差修正試驗,成功地實現了任意二面和圓分度的實時誤差修正。
  16. The characteristic of combined heat and mass transfer by natural convection has been the focus of researches for a long time. numerical analysis is conducted for combined heat transfer and mass transfer by natural convection on inclined surface. effects of the inclination angle and the ratio of buoyancies due to heat diffusion and mass diffusion on fluid flow and heat and mass transfer characteristics have been investigated for pr = 0. 7 and sc = 0. 05 - 5. 0

    本文採用值計算方法研究了傾斜平面上的傳熱傳質復合自然對流,求解了、能及質的完方程,考察了熱質擴散共存時傾斜平面上的流和傳熱特性,著重分析了熱浮力及物質擴散浮力之比b和傾斜度對流體流和傳熱傳質特性的影響。
  17. The thesis uses sql server 6. 0 database, standard sql access interface, and oriented - object program language vc + + to implement our electric network dispatching message management system. the system can operate like this : automaticly check if having data files come ; discriminate file type ; automaticly read data into database ; rapidly give out the precise analysis results, including waveform display, fault component calculating ; select fault phase ; distinguish fault type ; precisely fault allocate ; run all kinds of database administration, like antomatic add - on, automatic deletion, amendment, inquiry by different conditions ; print all kinds of outcome and keep them into database ; share data resource by web technique ; deal with complex faults. the whole system i finished will be powerful technic support for dispatching operation

    本文採用標準的sqlserver6 . 0據庫,標準sql訪問介面和面向對象編程工具vc + +進行編程,實現了集據庫、分析計算、圖形化界面、網路通訊於一體的電網故障錄波信息管理及故障診斷系統,該系統能夠在每次故障后自查詢有無據文件的到來;能夠對傳送到調度端的據文件分析其類型;能夠按comtrade格式自地將大據信息完地填入據庫中;能夠進行故障選相,故障類型判別和故障精確定位;能夠快速地對故障做出精確的分析,計算各次諧波分,有無功和視在功率,功,序分等;能夠對據庫進行各項管理,如瀏覽,自添加和刪除,修改和按各種不同條件進行查詢;能夠將計算結果,各種表格圖形列印出來和保存進據庫中;能夠將計算分析結果通過web技術為其他部門提供共享據資源
  18. For instance : nowadays use the small and exquisite paint - spray robot abroad, can scan the size of specification of the work piece and programme by oneself automatically, whole craft circulation go on in succession, according to accurate to is it stock give speed to control procedure have, all parameters of spraying paint in the angle and distance etc., use the painting amount to obviously reduce

    如:當今在國外使用小巧的噴漆機器人,能自掃描工件的規格尺寸並自編程序,個工藝循環連續進行,按程序精確控制進給速度噴漆度和距離等所有參,用漆明顯減少。
  19. Fast and high - quality document clustering algorithms play an important role towards this goal as they have been shown to provide both an navigation / browsing mechanism by organizing large amounts of information into a small number of meaningful clusters as well as to greatly improve the retrieval performance either via cluster - driven dimensionality reduction or term - weighting

    快速和高質的文本聚類技術在實現這個目標過程中扮演了重要的色。通過將大信息組織成少有意義的簇,這種技術能夠提供導航瀏覽機制,或者,通過聚類驅的降維或權值調來極大地改善檢索性能。
  20. In view of that thought, thesis first gives the conceptions : microscopic state of economics, economic order, economic orderization and economic entropy, at the same time, defining the orderly degree, to describe the regional economic state and level during the course of regional economic growth and development. based on these conceptions, establishing economic entropy measure the orderly degree of regional economics using economic order as measuring index through economic order changing, the orderly degree of regional economics means harmonious and coordinative level reached by mutually contacting ? acting on and affecting thorough all essential factors and all subsystems contained in regional economic system to promote growth and development of regional economics, and micro - measuring means measuring the orderly degree of regional economics from individual welfare. the mathematic analyzing to the economic entropy indicates that the it reflects the long - term changing trend of the orderly degree of regional economics : it will increase during fluctuation

    基於這一思想,論文首先提出經濟微觀態、經濟序和經濟有序化概念,以描述區域經濟在有序化過程中某時刻所處的狀態和水平;在此基礎上定義經濟熵,以經濟序作為測度指標,以經濟序的變化度區域經濟有序程度,即區域經濟系統各要素和各子系統通過相互聯系、相互作用和相互影響從而提高區域經濟系統體發展效率和速度的協調水平,而微觀度則是指該度是從個體福利水平的度進行的;接著對經濟熵進行了學分析,證明其反映了區域經濟有序程度的變化趨勢,即在波中趨向增加,並用經濟增長理論驗證了該結論。
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