mpt 中文意思是什麼

mpt 解釋
理論
  1. Determination of copper and iron in walnut oil by mpt - aes

    法測定核桃油中銅和鐵
  2. The thesis, somehow, is a summary, which expounds the main contents of traditional portfolio theory ( tpt ) and mpt, also gives a comparison between tpt and mpt ; analyses two aspects of markowitz theory, one is the effects of risk disperses and the demonstration, the other is how to make an optimal portfolio strategy ; researches into capital assets pricing model ( capm ), factor model ( fm ) and arbitrage pricing theory ( apt ) respectively in three parts ; studies another two parts, one is the premise of mpt, which is the efficient market hypothesis ( emh ), the other analyses the behavior finance theory ( bft ) produced in the background of challenging and querying to emt and capm. the thesis finally discusses the researching and applying prospects of mpt in china

    論文對現代資產組合理論與傳統資產組合理論分別進行了分析，並對兩者進行了比較研究，對馬克維茨的均值? ?方差理論從資產組合風險分散效應和最優資產組合選擇兩方面進行了重點分析，對資本資產定價模型、因素模型、套利定價理論進行了一定深度的分析和研究，對現代資產組合理論的前提假設? ?有效市場理論及在對有效市場理論和資本資產定價模型形成挑戰和質疑背景下提出的行為金融理論進行了論述，論文最後分析了現代資產組合理論在我國的研究及其應用的廣闊前景。
  3. With the static pressure in inlet of pipeline and theoretic analysis we could get the total pressure of mpt. the accuracy of piezometer was 2 % fs

    使用0 . 4級精度的壓力表和真空表對壓強傳感器進行了標定，標定結果表明，壓強測量精度達到2 fs 。
  4. 4. the thrust measurement device was calibrated, and the accuracy was 2 % fs. at the same time the signal of thrust measurement was input to the computer. e - type chromel - constantan thermocouple was used to measure the temperature of mpt, and the accuracy was 5 % fs. the vacuum measurement was realized by using zdf - 5427m vacuometer, and the accuracy was 3 % fs

    （ 4 ）對推力測量系統進行了標定並實現了計算機採集，推力測量系統最大相對誤差為2 fs ；溫度測量目前還只限於對mpt諧振腔壁溫的測量，使用e型鎳鉻?康銅熱電偶即可較容易實現，其測量精度為5 fs ；真空測量採用zdf - 5427m微機型復合真空計，其由熱偶計和熱陰極電離計復合而成，該真空計測量控制精度為3 fs 。
  5. The physical characteristic of forming plasma within resonant cavity was revealed, i. e. the forming mechanism is a switching process from the ionization caused by strong electric field at the initial stage of mpt ' s start to another ionization caused by joule ' s heat at the stage of mpt ' s steady work. the main influencing factors of mpt ' s steady work were studied. anther pointed out the matching between pressure in resonant cavity and microwave power is the determinant factor to the plasma whether stabilization or extinguishing

    分析了mpt諧振腔內微波能量的轉換過程，揭示了其內等離子體的形成是由mpt啟動初期的強電場電離形成放電區過渡到穩定工作期的熱電離形成穩態等離子體區這一物理本質；研究了影響mpt穩定工作的主要因素，指出微波有效功率與諧振腔內氣體壓強的匹配是維持等離子體穩定、避免等離子體消失、放電區熄滅的關鍵因素。
  6. On the base of success of ground principle prototype, mpt has been researched through theory and testing under the vacuum condition

    本文在mpt地面原理樣機的基礎上，進行了mpt真空實驗系統建設、真空試驗和衛星應用探索。
  7. In this thesis, the mechanism analysis and numerical simulation on the coupling flow field of microwave plasma within resonant cavity of mpt was discussed and the subsystem of small thrust measurement as well as the vacuum experimental study of mpt were completed

    在航天飛行器上有廣闊的應用前景。本論文對mpt微波等離子體耦合流場進行了機理分析和數值模擬，建立了mpt的小推力測量系統，協同進行了mpt真空環境實驗研究。
  8. This section begins with the analysis of the cash flow of the two most elementary products - mortgage pass through securities ( mpt ) and collateralized mortgage obligations ( cmo ), and describes the difference between the function mechanism and the ability of resisting risk. then, based on the above analysis, this article tries to invent an new cmo product which goes by the name of adjustable amortization mortgage ( aam ) and can effectively counteract the extension risk when interest rate goes up. at the same time, this article also indicate some problem which should pay special attention to in practical application and put forward some corresponding market promotion strategy

    本章首先通過對兩種最基本的抵押證券? ?抵押貸款傳遞證券（ mpt ）和抵押擔保證券（ cmo ）現金流量變化的分析，研究其運行機制和防禦風險的功能差異，接著在以上分析的基礎上，文章嘗試提出了一種能夠有效化解利率上升環境中延期風險的新型證券品種? ?可調整分期付款額的抵押擔保證券（ adjustableamortizationmortgage ，簡稱為aam ）的設想，但同時也指出了這種抵押擔保證券在實際應用中應該特別注意之處，並提出了相應的市場推廣策略。
  9. This paper aimes to accomplish ignition start - up and steady work experiments in vacuum environment using different propellant and to find optimum propellant for engineering application of mpt finally based on analyzing, comparing and researching the experimental results

    本文對不同的推進工質進行mpt點火啟動實驗及真空穩定工作實驗研究，並對結果進行分析、比較和研究，最終為mpt工程應用尋找最合適的推進工質。
  10. According to the experimental parameters of mpt, the main performance parameters of different propellants have been given by engineering performance computation under designed and working states, which has great importance for the experimental research and the future work. 2. for helium and argon, the factors which influence on mpt ' s vacuum steady work have been discussed such as the material of microwave tie - in, the distance between the probe and inner - conductor, the position of the inner - conductor, the input power of microwave, the mass flowrate of propellant and the vacuum pressure of environment, and the influence has been discussed of the microwave power and the mass flowrate of propellant on the pressure of the resonance cavity, thrust, reflected power and the temperature of the resonance cavity

    論文的工作和新見解主要包括： 1在設計狀態和工作狀態下，根據mpt的實驗參數，對mpt使用不同工質時的性能進行了工程估算，這對mpt現階段的實驗研究和今後的研究有重要的指導意義； 2對于he 、 ar推進工質，討論微波的接頭材料、探針與內導體的間隙、內導體的位置、微波的輸入功率、工質的質量流量以及環境真空度對mpt真空啟動和穩定工作的影響，並探討微波的輸入功率、工質的質量流量對諧振腔壓強、推力、反射功率以及諧振腔溫度的影響； 3對于n _ 2 、 h _ 2 、 nh _ 3 、 h _ 2o推進工質，主要討論與he 、 ar工質不同的特性，並從長遠的眼光和工程應用的角度，認為其可行性不容置疑，潛在優勢不可忽略，是未來mpt應用的主流推進工質。
  11. All kinds of complicated thoughts and values will unavoidability impact on mpt & ptl, bring into two means, some thoughts are favorable the others are challenges

    各種復雜的社會思維和人生觀、價值觀不可避免地會對高校「兩課」教學帶來深刻的影響，這種影響是雙重的，即有積極影響即機遇，又有消極影響即挑戰。
  12. Comparing with other ep, mpt has particular advantages to perform ot and nssk of geo satellite. it has a potential prospect of application in the future

    與其它ep相比， mpt實現geo衛星的ot和nssk具有自身優勢，是一種具有競爭潛力的電推進之一。
  13. The research indicates that mpt shows many advantages, such as moderate specific impulse, high efficiency, long lifetime, low plume contamination, simple structure, low weight, and so on

    通過研究表明， mpt具有比沖適中、效率高、壽命長、羽流污染小、結構簡單和重量輕的特點。
  14. Microwave plasma thruster ( mpt ) is a new type of electro - thermal thruster, which has widely applied prospect because of its high specific impulse, long lifetime, low plume contaminant and so on

    微波等離子推力器（ mpt ）是一種新型的電熱型推力器，它具有比沖高、壽命長、羽流污染小等優點，具有廣闊的應用前景。
  15. Microwave plasma thruster ( mpt ) is studied in college of astronautics, northwestern polytechnical university and it is a new type of electro - thermal thruster. in order to study the performance of mpt more experiments must be taken, and an instant, exact and convenient system of measuring and controlling is very important in all of these experiments

    西北工業大學航天學院微波等離子推力器（ mpt ? microwaveplasmathruster ）研究需要通過大量的試驗探索mpt的各項性能，因此實時、準確、便捷的測控系統將為mpt的研製帶來極大的便利，深入開展測控技術的研究十分必要。
  16. Zhang ming used to work for research institute of data communications of mpt as design engineer for spc telex switch system research and development, zhang ming has a lot of working experience on product development of computer and communication system product

    張明曾工作於前郵電部數據通信研究所，從事了多年的程式控制電報交換機的研究和開發工作，具有豐富的計算機和通信系統產品的開發經驗。
  17. So, there is theoretical and practical significance of inquirying into mpt

    因此，研究現代資產組合理論具有重要的現實意義和理論意義。
  18. Optimization of system and mission based on genetic algorithm ( ga ) about geo satellite using mpt has been probed after analysis of orbit dynamics, and building of mathematic model about geo satellite platform and each subsystem

    通過geo衛星軌道動力學分析，建立了衛星總體和各子系統的數學模型。採用遺傳演算法（ ga ）對mpt用於geo的ot和nssk進行了系統和任務優化計算。
  19. With the fdtd method to solve the maxwell equations, with the finite - volume method to solve the n - s equations and with the single temperature local thermal equilibrium to solve plasma, first time to adopt the method of all numerical simulation, the coupling flow field of microwave plasma within resonant cavity of mpt was analyzed. for tm011 model and tem model, the matching relation between various parameters and its influence on the coupling flow field of microwave plasma within resonant cavity of mpt was studied separately. the reasonable selection of miniaturization design parameters was pointed out in the numerical simulation to be used in mpt miniaturization, i. e. throat, gas flux and microwave power should be smaller suitable after miniaturization

    採用fdtd法求解maxwell方程、有限體積法求解n - s方程、單溫度局域熱平衡模型求解等離子體參數，首次用全數值方法對mpt諧振腔進行了微波等離子體耦合流場的數值模擬，分別分析了tm _ （ 011 ）和tem兩種模式各自的參數匹配關系及其對微波等離子體流場的影響；應用於小型化mpt時，指出了小型化設計參數的合理選取，即：小型化后的mpt ，喉徑小、工質流量小，消耗的微波功率也小。
  20. Based on mpt, the author analyses a fund investment principle, uses equal proportion model on random samples to make a fund - portfolio, demonstrates the rules that fund - portfolio investment risk changes along with the investment size and suggests a rational size for fund - portfolio investment

    摘要本文根據組合證券投資理論論述了基金組合投資的原理，使用隨機簡單等權模型對基金樣本進行組合，實證分析了基金組合投資的風險隨組合投資規模變化的規律，並指出了對我國基金進行組合投資的合適規模。
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