流體動力穩度 的英文怎麼說

中文拼音 [liútǐdònglìwěndù]
流體動力穩度 英文
hydrodynamic stability
  • 流 : Ⅰ動1 （液體移動; 流動） flow 2 （移動不定） drift; move; wander 3 （流傳; 傳播） spread 4 （向壞...
  • 體 : 體構詞成分。
  • 力 : Ⅰ名1 （力量; 能力） power; strength; ability; capacity 2 [物理學] （改變物體運動狀態的作用） forc...
  • 穩 : 形容詞1 （穩定; 穩當） steady; stable; firm 2 （穩重） steady; staid; sedate 3 （穩妥） sure; rel...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 流體 : [物理學] fluid; fluor流體力學 fluid mechanics; hydromechanics; 流體生物學 hydrobiology; 流體運動學 hydrokinematics
  1. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  2. With stable and reliable operation, compact structure, and strong air breathing ability, it enables to enhance the stocking density for fish and prawn, flow water by stir to increase the dissolved oxygen concentration in water, and make even water temperature to improve water quality, which is an idle equipment for high - yielding aquaculture

    具有工作平穩，運行可靠，結構緊湊，充氣能力強，提高魚蝦放養密度，攪拌水體流動，增加水中溶氧含量，能使水溫均勻達到改善水質的目的，是實現高產養殖的理想設備。
  3. 3. for the two - region model of one - dimensional solute transport through heterogeneous soils considering scale - dependent dispersion and immobile region under steady state flow, the numerical model is obtained by characteristic finite element method

    對于穩態水流條件下，非均質土壤中考慮水動力彌散尺度效應以及不動水體存在時，一維溶質運移的兩區模型，建立了相應的特徵有限元數值模型。
  4. The main issues of the research are put as following : firstly, with the international comparing of market sharing rate and trading competitive index, it was revealed that wheat in china has inferior international competitiveness with a bit rising during current years, however, which is still behind that of the main wheat export countries. secondly, after the international comparing of the main factors that affect the international competitiveness of wheat, it was discovered that chinese wheat has the obvious cost advantage on unit product, while because of the high circulation fee, it results in inferior advantage on the price ; low and unstable quality is another factor which leads to inferior wheat competitiveness ; the input of fertilizer and labor makes little impact on the productivity of chinese wheat, while the input of seeds, irrigation and machine makes a strong impact, so it should be more invested in seeds, irrigation and machine to reduce wheat ' s unit cost. the assistant industries of the wheat, such as breed, production materials and processing industries, have inferior international competitiveness and lagged development

    其次，通過對影響小麥國際競爭力的主要因素的國際比較發現：中國小麥單位產品生產成本具有明顯優勢，但由於較高的流通費用，導致在價格上不具有優勢；小麥質量較差、品質不穩定是導致中國小麥國際競爭力較低的主要因素；生產要素中化肥和勞動力投入對中國小麥生產力水平的影響程度較小，而種子、灌溉和機械投入對小麥生產力水平的的影響程度較大，因此小麥生產投入要以增加種子、灌溉和機械的投入為主，代替大量的化肥和勞動力投入，進一步降低小麥單位產品成本，增強中國小麥國際競爭力；中國小麥的上下游輔助產業（包括品種資源、生產資料和加工業）的國際競爭力較弱，發展較為滯后；中國小麥生產者的組織化程度較低嚴重製約了中國小麥質量的提高、流通費用的降低和加工業的發展；小麥生產經營活動本身的特點決定了在充分發揮市場機製作用的基礎上，必須通過政府的宏觀調控來克服其市場機制的失靈，保障市場機制有效運行，但通過國際比較研究發現：中國政府在生產者支持、市場體系建設和國際貿易政策上對小麥的支持水平較低，與提高中國小麥國際競爭力的要求有較大差距，尤其是較低的生產者支持水平和市場體系建設程度制約了中國小麥國際競爭力的提高。
  5. During the temperature fields, the results indicate that the processing parameters such as the extrusion velocity, casting temperature, perform preheating temperature, die preheating temperature and so on are important for the temperature fields besides the dwell time. they are must be in concordance each other to the deforming zone is in the quasi - solid state, and the stable semi - solid extrusion is implemented. during the deforming fields, the hyperbolic sine thermo - rigid - viscoplastic fem model is selected according to the forming feature of the process, and the variations of the stress - strain fields are studied

    在溫度場的模擬中，模擬結果表明，保壓時間是影響製件成形質量的關鍵因素之一，擠壓速度、液態金屬澆注溫度、預制體預熱溫度和模具預熱溫度等工藝參數對溫度場的影響也很大，需進行參數之間的協調，只有當變形區內部始終維持準固態時，才能實現穩定的液-固擠壓成形過程；在變形場的模擬中，根據液態浸滲擠壓的成形特徵，選用了雙曲正弦剛-粘塑性有限元計算模型，研究了變形過程中應力應變場的變化規律，研究了模角對變形和金屬流動的影響及變形力的變化過程和其影響因素。
  6. Electricity power system computer simulation the computing include the current computing, simple fault computing, complicated fault computing, quiescent stabilization the computing and development stabilization the computing etc. because the computing software of electricity power system are all the earlier words software, it is very difficulty for studying and isn " t easily for using and ca n ' t draw the graphics of the electricity power system ect

    對電力系統的運行狀態進行分析需要進行大量的計算，電力系統計算機模擬計算主要包括潮流計算、簡單故障計算、復雜故障計算、靜態穩定計算和動態穩定計算等計算。本文針對當前電力系統計算軟體大多都是早期的字元界面的軟體，學習難度大，不易使用，以及不具備電力系統圖形繪制等弊病，對microsoft公司的visualc + + 6 . 0及其所提供的microsoft基礎類庫（ mfc ）展開了理論與應用的研究工作。
  7. Transport traditional warehousing enterprises are established in the majority of the planned economy era, state - owned enterprises, these enterprises generally logistics infrastructure investment is insufficient, but has many years of experience in the logistics operation, and rules and regulations, good corporate reputation, warehousing and transport operations at the core provide relatively complete logistics services, with a strong ability to attract customers, and formed a basic customers in the community establish corporate image and brand effect of the logistics business remained relatively stable development of the situation, but as a modern logistics development, a modern logistics, long - span, dynamic and strong, can be divided into and the complexity of the advantages of traditional storage transport sector there are many issues, such as : management methods are backward ; the logistics facilities and equipment, lack of investment in facilities aging ; still lack the overall planning of a detailed and clear market orientation, lack of modern logistics management concept outdated marketing logistics, resulting in the mainstream enterprise customer groups scattered, low - level mobility of the large, it is difficult to retain the high - end customers ; enterprise systems and internal operating mechanism of the lack of vitality

    留學解答資訊網:傳統的倉儲運輸企業多數是建立於計劃經濟時代的國有企業，這些企業一般對物流基礎設施投入不足，但是有多年的物流運作經驗，和規章制度，良好的企業信譽，以倉儲和運輸業務為核心，提供相對齊全的物流服務，具備了較強的招攬客戶的能力，形成了基本顧客群，在社會上樹立起企業形象和品牌效應，使物流業務保持著相對穩定發展的態勢.但是隨著現代物流的發展，較于現代物流，大跨度性、動態性強、可分性、復雜性等優點，傳統倉儲運輸業出現了許多問題，例如：管理手段落後；對物流設施設備的投入不足，設施老化；尚欠缺詳細的整體規劃和清晰市場定位，缺乏現代物流管理理念；物流營銷方式比較陳舊，造成企業主流客戶群體分散，級別較低，流動性大，難以保留中高端客戶；企業體制與內部運作機制欠缺活力。
  8. 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。
  9. At large attack angle the frequency of the vortex has n ' t a apparent zone of " lock - in ". the fluid - induced vibration at large attack angle belongs to the stable dynamic response problems. but a sudden skip of amplitude will occur at large inlet velocity

    在大攻角下分離渦脫落的頻率沒有一個明顯的頻率鎖定區域，流體振動屬于穩定的動力響應問題，但在大來流速度下會出現振幅突跳的現象。
  10. In the forth chapter, the performances of mr dampers designed and fabricated at chongqing university have been tested in national center for test and supervision of coach quality, including schematics of damping force vs. displacement of piston head, damping force vs. velocity of piston head, etc. for some given electric currents of the coil. the experimental results demonstrate that damping force offered by mr damper consists of background damping generated by resistance of mr fluid and damping caused by magnetic field

    對不同勵磁電流條件下的理論阻尼力與測試阻尼力進行了比較，分析了產生誤差的主要原因；對阻尼器產生溫度效應產生的主要原因進行了分析，提出了應該提高磁流變體的溫度穩定性；推導了磁流變體的感性和容性流動方程，從理論上分析了磁流變體的感性和容性對阻尼器特性的影響。
  11. For the case of the north china power grid ( as follower omitted " ncpg " ), discusses these focus question as " ncpg fund dispatching ", " ncpg e - bank ", provides conflict settlement to fund budget and center control by new financial method, computer and internet high - tech skill. the thesis suggests do fund control in all directions, link invest - collect flow with financial fund management together, all fund affairs relatively included in " ncpg fund dispatching ". as a goal, thesis hopes to make fund flow, mass flow and information flow as a line, control fund real time, and realize the enterprise resource planning

    文章針對電網的特徵和區域電力公司財務管理體制特點，對電網經營企業的投資管理和籌資管理作了較為詳細的回顧和分析，並結合當前資金管理中的「現金調度」 、 「網上銀行」等熱點話題，以華北電力集團公司為例進行了案例分析，對電網經營企業強化現金調度管理，積極穩妥地開展「網上銀行」業務，提出了思路和建議，初步解決了實際工作中電網經營企業資金集中管理的矛盾；同時，還大力倡導以金融手段創新推動和促進企業資金管理創新，提出了運用計算機、網路等高科技手段，開展資金管理的橫向和縱向調度，把投資、籌資等與資金管理相關的業務環節，納入到資金的綜合調度中來，逐步達到資金流、物流、信息流三流合一，實現資金的實時管理，從而使企業內部資源共享，實現企業資源優化。
  12. Consequently, in order to optimizing the saving behavior and harmonizing the economy development, it is essential that ( 1 ) to perfect the price system of farm produce in order to improve the level of income of rural residents ; ( 2 ) to safeguard the right of land and social security to reduce the uncertain anticipation ; and ( 3 ) to reconstruct china ' s agricultural credit system to release the restriction of fluidity. the main innovation points in this thesis are as the following. the analysis framework of saving behavior of rural residents has been put up

    因此，為了改善中國農村居民儲蓄行為，加強宏觀經濟調控，必須完善農村市場價格調節機制，保證農村居民收入的穩定增長；為農村居民提供相應的社會保障制度，降低其對未來收入特別是支出方面的預期尤為重要；加強農村公共物品市場體系建設，縮小城鄉以及地區間的收入差距；政府應當重點考慮規范正規金融市場與強化農村正規信貸市場，解決農村居民的流動性約束問題；幫助農村居民確立合理的消費期望，培養農村居民把握消費的自主意識及合理進行消費決策的能力。
  13. Based on netomac, a software package for power system simulation, the model and algorithm of pre - dispatch schedule in generation markets, excitation system parameter setting, and power system small signal stability anaylsis are studied in this thesis. the main work is as follows : a model of pre - dispatch schedule is proposed, whose target is to minimize the market purchasing price ( mpp ) in the whole pre - dispatch period. then according to the characteristics of pre - dispatch schedule, the model of pre - dispatch schedule is simplified to minimize the mpp in each pre - dispatch time, and a three - step algorithm of pre - dispatch schedule is designed : dealing with the optimal problem in the whole period of pre - dispatch with static planning method, solving the problem of combination of machines with pr1 method, resolving problem of optimal power flow ( opf ) with modified powell method

    本文基於netomac模擬軟體，以發電市場預調度計劃模型及演算法、勵磁系統參數整定和電力系統小擾動穩定性分析為研究內容，主要做了以下工作：建立了以整個預調度計劃周期內的市場購電價格最小為目標的發電市場預調度計劃模型，並根據預調度計劃問題狀態數多、變量多、混合整數、非解析的特點，將預調度計劃模型的目標函數簡化為各時段的市場清算電價最小，設計了三段式預調度演算法：用靜態規劃法求解整個預調度計劃周期內的優化問題；用優先級法求解機組組合問題；用改進的powell法求解最優潮流問題。
  14. After finished the cyclic voltammetry experiments, the results showed that iron steel grid can act as good current collector in the aqueous electrolyte. while the scan rate was fall in the range of 0. 5 - 4. 0mv / s, electrochemical reaction of the lithium insertion / extraction in the solid phase was kinetically limited by the diffusion of lithium ions. after 40 cycles in aqueous electrolyte the discharge capacities of sample of s13 reached 77mah / g, and showed good cycle performance

    在水溶液中不銹鋼網可以作為電極的集流體，在0 . 5 - 4 . 0mv / s的掃描速度范圍內，鋰離子在尖晶石鋰錳氧化物的嵌入和脫嵌的電化學反應在動力學上是受鋰離子在固相中的擴散所控制，充放電實驗顯示樣品s13在水電解液中經過40個循環后達到77mah / g的放電容量，具有很好的循環穩定性。
  15. Logistics enterprise ' s six dimensionality of yielding ability and yielding ability ' s self - organization equation of motion were constituted. character of yielding ability ' s order parameter was analysed. at last of the chapter, evolvement and trend of logistics enterprise system ' s yielding ability were explored through analysis of yielding ability ' s potential function and non equilibrium phase transition

    構建了企業的六大業務收入能力維度，建立物流企業獲利能力的自組織運動方程，對物流企業系統整體結構不穩定性和獲利能力序參量特徵進行了分析，最後從對物流企業獲利能力的「勢」分析和非平衡相變現象的描述中探索物流企業系統的演變和走勢。
  16. Chapter three : the financial operation system in china also witnessed a series of reforms. and it analyses the " sub - mixed operation system " which includes the cooperation between the money market and capital market and the mixed financial conglomerates in china as well. in 1989. the government began to regulate the financial market by enacting a series of laws and regulations and setting up supervisor ) " institutions such as ssc and isc managing banking. security. insurance and trust sectors separately. the separated management of financial system has been basically shaped in 1998. but over the past few years. the separated system in china is somewhat loosen due to the effect of international trend of financial integration. the money market, capital market and insurance market are to some extent permitted to cooperate with each other by the government. many financial institutions make mixed financial conglomerates to extent their operation field. the banking capital and insurance also have access to the security market in some way and to some size. and the appearance of mixed financial conglomerates push our financial sectors into the mixed operation

    包括逐步實現利率的市場化;加強金融法規的建設;加強金融監管力度，建立安全穩定的金融監管體系;加快我國資本市場的建設;加快金融企業的上市工作，增強金融企業的競爭力;加快銀行改革的步伐，建立銀行的內控制度和風險約束機制。二是金融業務的相互交叉化、融合化。在組織模式方面，金融企業可以通過收購、兼并、重組等手段組建集銀行、證券、保險、信託、實業於一身的大型金融控股集團;在資金流動方面，可以加強金融企業之間的資金流動，通過開發更多、更好、更安全的資金流通渠道，促使資金的合理流動和充分利用;在業務合作方面，銀行、證券、保險三方之間相互合作，通過業務代理、開發交叉業務、共享客戶等方面開展全方位的合作。
  17. Stable political situation, inferior inflation is led, of perfect financial system and famed far er " the bank is confidential " the system produces huge attraction to the flow of international cash, make thereby after swiss afterwards england, japan and united states, make the world center of banking of the 4th big international

    穩定的政局，較低的通貨膨脹率，完善的金融體系及聞名遐爾的「銀行保密」制度對國際現金的流動產生巨大吸引力，從而使瑞士繼英國、日本和美國之後，成為世界第四大國際金融中心。
  18. The forerunner of teco sa was taian electric, which was founded in march 1969 and merged with teco in oct 2003. ever since its establishment, sa never stops making contribution towards the industrial automation technology. sas products include ac dc motor controls, molded - case circuit breakers, high low voltage electric material, engines, generators, switchgears, ac dc frequency inverters, programmable logic controllers and servo controllers

    電控事業部的前身為臺安電機，自1969年3月創立至2003年10月與東元合併迄今，一直秉持著穩健踏實的態度，以電磁開關無熔線斷路器高中低壓配電器材引擎發電機組配電盤變頻器可程式控制器及伺服控制器等產品，為工業發展奉獻心力，滿足最基礎的用電安全，並提供整體性的自動化服務，符合節約能源的世界性潮流。
  19. In the light of bankruptcy law and labour law, the authour points out the defects of laying - off the staff for bankruptcy and puts forwards that we must improve our system to regulate the activities of laying - off the staff for bankruptcy. how to make full use of the function of distributing labour resources of the market and maintain the stability and mobility of labour relations is a worthwhile subject to make a further study. here, the author just makes a superficial study about legal system of unilateral dissolution of labor contract, hoping to be of a little value to the perfection of china ' s legal system of unilateral dissolution of labour contract

    作者認為我們可從《勞動法》和《破產法》相銜接的角度，確立科學、合理的標準對困境企業進行認定、確立合理的裁員標準保護特殊群體的利益、加強工會組織的干預力度、加強對被裁人員的保護以及完善我國的各項配套措施等等，來對我國的經濟性裁員制度進行完8隨著我國經濟體制改革的深人以及叮的加入，我國的勞動用工制度也在發生變化，怎樣發揮市場機制在勞動資源的配置作用，維護勞動關系的穩定性和合理流動性，在傾斜保護勞動者利益的同時，平衡勞動者和用人單位雙方的利益，是一個很值得研究的課題。
  20. Later on, the non - linear dynamic model of the coupled rotor - body system with the mrfd was constructed and a test - bed which is fit for this model was designed. at last, the dynamic stability test for the system was implemented. the result of which says that the mrfd can improve the dynamic stability of the system markedly

    採用開-關控制策略進行帶磁流變阻尼器的旋翼/機體耦合動穩定性試驗，結果表明，磁流變阻尼器能明顯提高旋翼/機體耦合動穩定性裕度，體現了具有自適應能力的優點。
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