磁化制圖 的英文怎麼說
中文拼音 [cíhuàzhìtú]
磁化制圖
英文
magnetization mapping-
Based on the principles to respect believable and higher precise paleomagnetic data of blocks and to pay attention to the similarity of paleo - biogeography and the coordination of tectonic evolution, the paleomagnetic data of chinese continental blocks and adjacent areas for paleozoic and triassic were collected, the chinese continental blocks were laid up on the reconstruction of global paleo - continents with similar scale
摘要在尊重比較可靠的、測試精度較高的地塊古地磁數據，重視生物古地理與地質構造演化史的相似性和協調性等原則的基礎上，筆者編制了中國大陸及鄰區各陸塊古生代和三疊紀的古地磁數據表，並採用類似的比例尺，將中國各陸塊放到相應的全球古大陸復原圖上去。At present, the most of vtr which are used in watch - control occasion for speciality are short of a uniform control - check - alarm system, which brings on the discommodiousness of operation and the user can not know the time of occurring a fault, which reduces the reliability of the watch - control system. therefor, at first, i carefully analyze the servo theory of the vtr which had been produced by chmavc with k mechanism to find out the work rule of the control signal ; second, take out some right control signal ; then for dealing with the problem of vtr in use for watch - control, i choose some right components to design the uniform control system for many special vtr with protel software. it mainly includes the following functions : operation functions of all vtr ( for example : power, play, ff, rew, stop, rec, eject, fwd, rwd, sp, lp ) was controlled by line at the same time ; in, the process of recording, when the tape walks to the end or stops by itself, the system gives an alarm and shows the number of the wrong vtr ; in the process of recording, the system gives an alarm and shows the number of the wrong vtr when the video signal from vidicon is losed ; the system controls all vtr to record on the non - working time when there is something wrong in the guarding section ; the system controls the video from vtr to switch to right monitor
目前，用在監控場合的業務用錄像機普遍缺乏一個統一的控制及檢測報警系統，這就導致了操作的不方便和出現了故障用戶不知道，降低了監控系統的可靠性，為此，我首先對華錄松下生產的k機芯的錄像機伺服原理進行仔細分析，找出各個伺服控制信號的控制變化規律；然後從中選出合適的控制信號；針對目前錄像機在實際監控使用過程中存在的問題，選用合適的元器件；運用protel繪圖軟體，設計了這個多臺業務用錄像機的統一控制系統，她主要包括以下功能：錄像機操作功能（如power play ff rew stop rec eject及正尋反尋帶速設定等）的統一線控控制功能；磁帶在記錄過程中，磁帶到頭和磁帶自己「偷停」的報警，並要能顯示出具體是哪一臺錄像機；在記錄狀態下，攝像頭輸入信號丟失報警，並要能顯示出具體是哪一臺錄像機；在休息或其他不需要記錄時，一旦警戒區有情況，則控制所有機器自動進入錄像狀態的功能；從錄像機輸出的監控圖像信號對監視器的切換功能。Digital signal processor ( dsp ) combined with repm bldcm, which build up a dc adjustable speed system, achieve to control multiple motor speed, positive and negative rotate, protect and fault exemine by a true single chip. design and present a electromagnetism scheme of repm bldcm used in electromotion chair drive system. select electronical components and chips in the drive board by contrast with variant drive mode. design the drive board principle picture, make a drive board pcb and debug it. design a principle picture with dsp core. workout the motor control code introduced popular programme modle. test the programme reliability and control performance by linking tms320lf2407 evm, pc, drive borad and the bldcm. the bldcm swatch is prepare experiment
本論文闡述了方波驅動稀土永磁無刷直流電動機的原理及數學模型；設計並給出了一種電動座椅用稀土永磁無刷直流電動機的電磁設計方案；對電機採用何種驅動方式進行了對比分析；對驅動電路進行了元器件選型、原理圖設計、制板及調試；有針對性的闡述了dsp在本系統應用中所涉及到的功能模塊；設計了以dsp為核心的控制電路原理圖；以模塊化的軟體編程思想編制了電機控制軟體；通過tms320lf2407目標板、上位機、驅動板及電機的聯調，證明了系統可行。Four kinds of c / c composites with different preparation techniques were graphitized at 2400 - 2880. the relations between magneto - resistance and orientation ( the angle between surface of samples and magnetic field ), measure temperature, the intensity of magnetic field ( b ) were studied for each sample. the micro - structure and x - ray diffraction pattem were investigated too
本論文在對制備工藝不同的四種碳/碳復合材料樣品進行2400 2880的石墨化處理后，應用ppms （ physicalpropertymeasurementsystem ）研究了測試位向（試樣某特定面和磁場方向夾角） 、測量溫度以及外加磁強對材料磁電阻特性的影響，同時研究了各試樣的微觀結構和x射線衍射譜圖。The application of the structural teaching model is discussed and a teaching model ? ? structural classroom teaching model on electromagnetism in the teaching of general physics is given. this model is based on the principles of education model, and the fundamental idea of structuralism of discipline and it is also the summary of teaching experience. this model uses a block diagram to summarize the knowledge structure. the knowledge structure includes concepts, theorems, laws and so on. there are three implementation steps in this model ： the first to analyse the content to teach and find the develop meat course of the subject. the second is to emphasize concepts, especially the concept of field. the last is mastering the laws, especially the connection between them. the aim of giving the teaching model is to deepen the teaching reforming and intensify the teaching and learning of the basic knowledge of physics
以教育模式的基本原理及學科結構主義的基本思想為指導，在總結教學經驗的基礎上，對結構化教學模式在學科教學中的應用進行了深入的探討，提出了普通物理教學中的電磁學結構化課堂教學模式.該模式強調用方框圖概括知識結構，把整個電磁學的知識結構即電磁學的概念、定理、定律及電磁場的性質等概括為一張方框圖，根據方框圖制定了該模式的實施步驟為三步：第一，掌握主線，弄清脈絡;第二，掌握概念，場是關鍵;第三，掌握規律，重在聯系電磁學結構化課堂教學模式旨在深化教學改革，加強物理學基礎知識的教學和學習Abstract : two intelligent magnetic particle inspection systems for bearingrollers and rings were introduced including their principles, constructions and technical key points, in which optical imaging, digital image processing and plc control techniques were applied
文摘:介紹一種在傳統磁粉探傷基礎上，應用光學成象、數字圖象處理、 plc控制技術實現的軸承滾子和套圈兩套智能化磁粉自動探傷系統的原理、組成、關鍵技術以及達到的技術水平。Our experiments emphasized the correlation between micro structures and some properties of the coatings and tried to obtain the protective coatings with the comprehensively good properties, in which auger electron spectroscopy ( aes ), scanning electron microscope ( sem ), and x - ray diffraction ( xrd ) were employed to investigate the composition, microstructure and crystal phase of the coatings respectively, and the properties test was primarily considered with the wear resistance and corrosion resistance of the coatings
本論文主要採用pvd技術中的磁控濺射鍍膜（ ms或rms ）及部分用等離子噴塗（ ps ）和熱氧化（ to ）表面處理技術研究了鈾的具有代表性的三種防腐保護鍍層，即單質al 、氧化物al _ 2o _ 3和合金al - zn鍍層。實驗力圖在制備技術、工藝參數及鍍層的微結構和性能之間找到一些內在的聯系，探索綜合性能較好的防腐蝕鍍層。The algorithm of sequencable mark and description of the object for crack automatic identification is presented by means of pre - image process. on basis of visual c + + 6. 0 developing environment, the software function of controlling of magnetic partical testing engine and the stepping - motor is realized in c + + and mfc with objected programming method. the automatic system of the camshaft of small diesel engines automatic magnetic partical testing is realized, which is the predicted goal that we would achieve
用計算機控制磁粉探傷機和步進電機的工作；解決了jpeg圖象格式在windows系統中visualc + +編程環境下的壓縮轉換、顯示和處理的問題；結合數字圖象的預處理，提出了通過圖象分析自動識別裂紋的順序目標標記與描述演算法；基於visualc + + 6 . 0開發環境，用c + +語言和mfc類庫，採用面向對象的程序設計方法，用軟體實現了對磁粉探傷機和步進電機等硬體系統的自動控制功能；實現了柴油機凸輪軸熒光磁粉探傷系統的自動化，達到了預期的目標。According to a real ac vf asynchronous dynomometer system, first step, the paper deducts the mathematic model of the system, and analyzes the system stability on the basis of the ? irst method ? of lyapunov stability, then draws the eigenvalues of the system under the situation of the variation of different parameters, and results in finding the changing regularity of the system stability caused by varitation of variant system parameter ; secondly, sets up a system simulation model in terms of a real power feedback ac vf asynchronous dynomometer system, and emulates different running states of the system, not only analyzes methods of adjusting parameters to improve the working performance in the field of weak flux of the system, but also proves the effectiveness of the methods via simulation ; at last, compares the simulation results of the model with the experiment results of the real system, and show the nearly correctness of simulation system, and also confirms the practical usage of the simulation system as an effectively assistant tool in the process of developing and design a real dynomometer system
首先根據實際系統工作原理推導出系統的數學模型，在系統數學模型的基礎上依據李雅普諾夫穩定性判別第一法進行了系統穩定性分析，繪制了系統不同參數變化時的系統特徵值變化圖，從而得到系統部分參數變化對系統穩定性的影響規律，為實際系統的參數設計提供了參考；然後又以系統數學模型為基礎，依據實際的電封閉交流變頻異步測功機系統建立系統模擬模型，模擬不同工況下系統運行情況，分析了改善弱磁區系統性能的某些系統參數調節方法，通過模擬證明了此類方法的有效性；最後將系統模型與實際系統的實驗結果進行了比較，驗證了模擬系統模型的基本正確性，也肯定了這一模擬系統在實際測功機系統設計中作為輔助工具的實用性。In this thesis, we intended to eliminate the a - fe phase by adjusting the composition and the cooling velocity. the effects of sm content, cooling velocity and the additions of nb and zr on the microstructures of sm - fe alloys and magnetic properties of sm2fe17nx were studied. effects of nitrogenation techniques on magnetic properties were also studied
本文力圖通過控制合金成分及冷卻速度的方法來消除sm - fe合金中初生的- fe相，系統地研究了sm含量，凝固速度及nb和zr的添加對sm - fe合金微觀組織的影響，及合金成分和氮化工藝對sm _ 2fe _ （ 17 ） n _ x磁性能的影響。It is similar to saturn and jupiter in many respects, like the atmosphere composition, the internal heating mechanism, the presence of magnetic field, existence of many satellites and a ring system, etc. the streaks in the following photo are background stars not related to the ring
它和土星木星在很多方面十分相似，例如大氣成分內部熱力轉化機制行星磁場及擁有光環和大量衛星等等。下圖中白色的光跡是背景星和天王星的環無關。Year 2005 has been a milestone for the group. following the acquisition of a controlling stake in elec eltek group, the group has gained a significant foothold in various business sectors, namely, printed circuit board " pcb ", liquid crystal display " lcd ", and magnetic products. these, together with our existing core businesses in laminates and chemicals, allow an appropriate balance of our operations across a good spectrum of industries and geographies, and bring in new revenue stream and significant synergies
集團於二零零五年奠下一個新里程碑，在取得依利安達集團之控制權后，集團于多個行業上，如印刷線路板液晶顯示屏及磁電產品等領域上踏出新一步，業務版圖進一步拓寬據點該等業務，再配合集團原有的覆銅面板及化工產品核心業務，為集團的運作在行業和地區方面帶來適當的平衡，並為集團提供了新的收入來源和帶來顯著的協同效益。分享友人