head theory 中文意思是什麼

head theory 解釋
中心詞理論
  • head : n 1 頭，頭部，首。2 頭腦，才能；智力，想像力，理解力。3 前部，上部；頂端，尖突部；船長；（書頁等...
  • theory : n. 1. 理論，學理，原理。2. 學說，論說 （opp. hypothesis）。3. 推測，揣度。4. 〈口語〉見解，意見。
  1. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性曲線的理論工作拐點進行了推導，對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計，對主噴嘴和測量噴嘴的不同組合，將影響測量系統靜、動態特性指標的噴嘴參數進行了對比實驗和優化設計，並通過實驗驗證了理論推導，從而使氣動測量系統量程的示值范圍達到40 m ，靈敏度達到100mv m ，解析度達到0 . 05 m ，測量不確定度小於0 . 2 m ，滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  2. Klingelnberg cyclo - palloid spiral bevel gear has construction cramped, excellent transmission quality, low noise and loaded vehavior, it ’ s the main form of gear drives in the bevel gear ’ s technology field. it ’ s cyclo - palloid system, two - part cutter head and high power gears ( hpg ), has certain technology particular than gleason spiral bevel gear. systemic analysing the manufacture principle and meshing principle of klingelnberg cyclo - palloid spiral bevel gear, for accomplishing design theory and analysis method, for enhancement manufacture precision and loaded behavior, for promotion and applied in engineering field, have important theory value and actuality meaning. main work of the paper is tooth form emulation and tooth contact analyse of klingelnberg cyclo - palloid spiral bevel gear

    克林貝格（ klingelnberg ）延伸外擺線齒錐齒輪結構緊湊、傳動性能優良、噪聲小、承載能力高，是錐齒輪技術發展的主要齒制，其連續切削法，雙層刀盤技術和硬齒面刮削法（ hpg ）相對于格利森制齒輪有一定的技術特點。系統的分析這種齒輪的加工原理和嚙合機理，對完善其設計理論和分析方法，提高加工精度和承載能力，在工程中推廣應用具有重要的理論價值和實際意義。
  3. According to reality situation hi bank of china mudanjiang branch, the author goes step further to detail and perfect the alrm ' s index within the rule of the central bank and bank of china head office. from secondary banks point of view, the author applies system theory, cybernetics and linear programming theory to establish a set of the index system of the alrm of bank of china mudanjiang branch. the author refers to strengthen and perfect the internal control institution and preventative measure of risk and establish alrm ' s integrated evaluation model and examinatorial method

    論文從二級分行的角度，應用系統理論、控制論和線性規劃理論，建立了一套適合中國銀行牡丹江市分行資產負債比例管理的指標體系，提出了加強和完善中國銀行牡丹江市分行資產負債比例管理的內部監控制度和風險防範措施，建立了該行資產負債比例管理綜合評價模型及考核辦法，並對其組織機構的設計及指標的管理提出了相應建議，初步形成了一套資產負債比例管理的組織、指標管理和評價考核體系，從而使中國銀行牡丹江市分行能夠更好的管理本行的資產和負債，創造更大的效益，增強其競爭能力。
  4. This method applies the extended strip theory to establish the nonlinear ship motion equations in regular head seas, obtains stable time course by resolving in time domain, and then pressure vectors will be available. the pressure includes static pressure, incident waves pressure, diffraction pressure, radiation pressure, and wave impact pressure, and changed with instantaneous draft of each intersection

    該方法應用擴展的切片理論建立迎浪規則波中船舶非線性運動方程，通過時域步進求解獲得船舶剛體運動的穩定時歷，進而給出與船體各橫剖面瞬時吃水相對應的靜水壓力變化、入射波壓力、繞射壓力、輻射壓力和波浪沖擊壓力諸分量。
  5. Then, the method of measuring hrtf by mit and cipic laboratory is briefly reviewed. after that, by using sound wave scatter theory and rigid sphere model of head, a simple method for calculation hrtf is proposed. and validating that method through psychoacoustics experiment, and matching database for realizing individual hrtf

    然後簡述了麻省理工學院和cipic實驗室測量hrtf的方法，通過聲波的散射理論以及利用人頭模型提出一種簡化的理論計算對頭部尺寸對聲音定位的影響進行了理論分析，並且利用心理學測試驗證利用匹配數據庫實現hrtf的個性化。
  6. The impacts of both the velocity head and momentum distribution in the t - junction of a tailrace surge tank on the critical stable sectional area of the tank were analyzed by using gardel ' s empirical equations for t - junction flow. based on thoma ' s theory, a formula of the critical stable sectional area is derived. 5

    基於gardel關於三通管水頭損失的經驗公式，研究分析了連接管處的速度水頭以及進出調壓室水體與尾水隧洞水體之間的動量交換，對有連接管的尾水調壓室穩定斷面積的影響，並在托馬（ thoma ）假定基礎上，推導出相應的調壓室穩定斷面的計算公式； 5
  7. Abstract : a research on theory and practice is conducted on the acoustic methods of discharge measurement in low head hydropower plant. taken hydraulic efficiency experiment in certain hydropower plant as examples, the general methods about how to locate the discharge measurement plane, install transducers and choose the integration methods are put forward. an improvement method is proposed finally

    文摘:從理論上和實踐上，對低水頭電站超聲波測流進行了較為詳細的研究，並以某水電站為例，對測流斷面定位、聲路布置和面積積分給出了一般方法
  8. The degree of consistency change of sprinkler head and the o 8mm depression drip pipe with the change of pressure has been tested. the main conclusion of this study has been produced as follows : ( 1 ) the theory will be correct and notable benefit will be obtained through the utilization of the frequency changer in tube - well irrigation, spray irrigation and drip irrigation. ( 2 ) some energy saving effect of the frequency changer utilization in tube - well irrigation, spray irrigation and drip irrigation will be produced, 37

    本項目的研究內容主要包括變頻調速裝置在管灌、微噴以及大棚滴灌中的節能效果、變頻調速裝置對微噴和大棚滴灌均勻度的影響以及變頻調速裝置在管灌中進行「恆量變壓」變頻運行試驗等，同時，對微噴頭與中smm低壓插入式滴灌帶的灌溉均勻度隨壓力變化情況進行一r試驗研究。
  9. This paper analyzes the characteristics of rainfield and raindrops, gives - formulae to calculate falling velocity of raindrops, studies the frequency of raindrops hitting detonating area of fuzes head on ballistic trajectory based on the theory of exterior ballistics and uses statistical theory to study methods of rainfield simulation

    本文分析了雨場和雨滴的各種特性，給出了雨滴降落速度的計算公式，利用外彈道學的理論研究了引信頭部觸發區在彈道上與雨滴碰撞的頻率，同時還採用統計學手段對雨場模擬的方法進行了研究。
  10. This paper elaborates the parameters selection of the 700mw turbine for laxiwa power station located upstream yellow river, which is coming into construction soon. through statistical calculation of specific speed for turbines with large capacity, high operating head in domestic and oversea power station, utilizing turbine homologous theory. adopting regression statistic calculation method, it has got specific speed statistic equation., the demonstration of primary parameters selection, and the primary target parameters suitable for laxiwa power station

    本文針對黃河上游即將開工建設的拉西瓦水電站700mw水輪機的參數選擇進行了研究，通過對國內外的大容量、高水頭水輪機的比轉速統計計算，利用水輪機的相似理論，採用回歸統計計算方法，統計出了比轉速統計方程，並進行了水輪機主要參數選擇論證，提出了適合拉西瓦水電站水輪機的主要目標參數。
  11. 21st century today, it is one that appreciate way read and write era to interpretting blueprints brand - new era who era strides forward, press photographer body shoulder important task, continue and take on news gathering and editing the subjects of team, but not the supporting role, make them catch down the transient scene the camera, thus the change of noting history, make us able to experience life intactly through the vision image, this needs press photographer to jump out the convention, involve " digitalization ", humane care, the ideas of common people ' s visual angle, theory, etc. of planning are changed, keep the sober head constantly, occupy and endanger and think of fitting, rouse oneself and study, have the courage to bring forth new ideas, may just surmount others, surmount oneself, it weeds out the old and bring forth the new in barges strive media competition that flow take more good worthying of the newses photography fine piece of writing of eras

    二十一世紀的今天，是個欣賞方式由讀寫時代向讀圖時代邁進的嶄新時代，攝影記者身肩重任，能否繼續擔當新聞采編隊伍的主體，而不是配角，使他們用相機捕捉下了稍縱即逝的場面，從而記錄下歷史的變革，通過視覺形象使我們能夠完整地感受生活，這就需要攝影記者跳出舊框框，涉及到「數字化」 ，人文關懷、平民視角、策劃理念等方面的觀念轉變，時刻保持清醒的頭腦，居危思安，奮發學習，勇於創新，才可能超越別人，超越自己，推陳出新，在百舸爭流的傳媒競爭中拍出更多更好的無愧於時代的新聞攝影佳作。
  12. But he described as " a conspiracy theory " material showing that the letter had not been given to the head of the defence department

    然而，他又形容說， 「有一份秘密文件」材料顯示說，這封信根本沒有被呈交到國防部部長手裡。
  13. Often quoting the theory of american economist arthur okun on the mutual switchover between efficiency and equality negative correlation, they criticized that the distribution principle of giving priority to efficiency while taking fairness into consideration in relation to china s market orientation reform is self - contradictory, and even can be considered as hanging up a sheep s head selling as dog meat a behavior of deception

    持這種觀點的人常常引用美國經濟學家奧肯關于效率與平等相互替換即負相關的原理，指責與中國市場取向改革相聯系的「效率優先，兼顧公平」的分配原則是自相矛盾，甚至是「掛羊頭，賣狗肉」 。
  14. In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition

    本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。
  15. Based on characteristics above, a new theory of “ controlling movement by moving ” is proposed, which means that controlling welding arc by moving magnetic field. a new device for generating rotating magnetic field is designed ; magnetic head and excitation power source are included

    本文基於以上幾種磁場形態和勵磁方式的特點，提出了「以動制動」的控制思想，即用動態變化的磁場來控制電弧的運動，研製了一套新型旋轉磁場發生裝置，本裝置包括磁頭裝置和勵磁電源兩部分。
  16. Under the framework of x - bar theory, conjunction is superior to both conjuncts with respect to the head position of coordination despite that a conjunction has no independent evidence to project a cop

    在x標桿理論的框架下，連詞投射缺乏獨立的證據，但並列結構的中心語偏向連詞而不是並列體。
  17. This teaching mode of theory teaching and practice aims to provide the students with inspirations for creative writing and enhancing their scope of writing, according to dr lee hung - kai, head of the universitys chinese department. standby comedy has been a popular performing entertainment in hong kong in recent years

    許氏是香港演藝界的多面手，才華出眾，嘗從事編導演主持等工作，並有冷麵笑匠稱號，其別樹一格的棟篤笑個人舞臺演出，針砭時弊莊諧並重，廣獲好評。
  18. Author thinks that the direction of the maximum plastic distortion along a constant radius around the crack tip may be considered as the direction of shear - mode fracture ( named pmax - criterion ) and the load when located shear band prongs the ligament in the front of crack tip is regarded as the limited load of shear - mode fracture. ( 3 ) the fad ( fracture assessment diagram ) of titled crack is proposed based on achievements of mesomechanics about i - ii complex ductile fracture of metal, and the titled crack is classified two kinds : void - mode fracture is assessed by fracture assessment curve, and shear - mode fracture by limited load. ( 4 ) using a fe program based on plantle - ressue theory to calculate some mesomechanical parameters, a flange joint structure of a high pressure vessel ( design pressure 31. 4mpa and the thickness of the hemispherical head is half of that of shell. ) is analyzed to determine whether the structure under operation pressure is safe or not, forecast the mode of potential invalidation and argue for the rationality of design of the structure

    試件的整體斷裂為剪切型，但在試件芯部裂尖鈍化區中部出現了韌窩型啟裂並有一定的擴展，說明局部較高的應力三軸度也會使韌窩型機制得以發展，但是不改變試件整體的剪切型斷裂模式；對韌性斷裂的剪切模式的細觀機理做了一定的探討，並且提出了含裂紋構件剪切型斷裂的宏觀判據：認為裂紋前方的集中剪切帶中與裂紋尖端等半徑處最大有效塑性應變出現的方向可以作為裂紋剪切斷裂的方向（可簡稱為_ （ pmax ）準則） ，集中剪切滑移帶貫穿裂紋前方承載韌帶時的載荷可以作為極限載荷；本文運用金屬韌性斷裂細觀力學在一復合型韌性斷裂方面的研究成果，採用失效評定圖的形式，提出了傾斜裂紋的安全性評定方法的基本框架。
  19. According to the theory of developing viscous crude with screw pump and combined with the reservoir characteristic and oil property, fault block 70 is developed reasonably and effectively through a series of corollary technique including chemical pre - processing in the formation, viscosity decrease in the well bore, down - hole anchoring of screw pump, optimized design of screw pump, reasonable determination of the turning rate of screw pump, frequency alternating control, heat exchange and viscosity decrease in well head, monitoring of screw pump

    依據螺桿泵開采重油的理論，結合澤70斷塊稠油油藏的特點和原油物性，通過實施地層化學預處理、井筒降粘、螺桿泵井下錨定、螺桿泵優化設計、螺桿泵合理轉速的確定、變頻控制、井口換熱降粘、螺桿泵監測等一系列螺桿泵配套工藝技術，使澤70斷塊得以合理有效的開發。
  20. In the videophone, conference call, dynamic monitor and human identification, there are more and more applications of human video object. it is worth studying location and analysis of head in theory and application. our paper studies the estimation and analyses of partial motion in detail and realize location and extraction of head

    針對這些領域的應用要求，本論文以視頻圖象中頭肩區域為對象，研究視頻對象的運動分析方法、檢測靜止背景中人體（主要是頭肩）的運動方向和速度，實現頭部的定位與提取。
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