風動差 的英文怎麼說
中文拼音 [fēngdòngchā]
風動差
英文
aberration of wind-
The scielltific computational theories and methods on bird strike to the windshield of aircraft have been systematically studied and summed up in this thesis, such as fem comptltational principles and procedures to elastic dynamic problems under the conditions of small and non - linear finite deformation, 3d viscous elastic constitutive theory and incremelltal expression under the consideration of the rate effect of non - metallic materials like the aircraft windshield, and the numerical compatational principles and key constitutions for impact - contact dynamic subjects
2 、系統學習並歸納總結了鳥體撞擊風擋結構問題中的科學計算理論與計算方法。按照鳥撞問題數值計算方法逐步深入的思路，系統總結了小變形結構動力學有限元數值計算方法、有限變形的幾何非線性有限元數值計算方法、粘彈性體非線性形變的本構物理關系；對于實施復雜結構有限元動力學計算的載荷增量方法提出了對newmark差分的改進以及進行材料與幾何非線性數值計算的細致步驟。Secondly, the thesis bring ups to make use of mathematics clustering analysis method, combine with analysis the accident occur rate of each occupation ( business enterprise ), the death rate of employment injury, the severely wounded rate of employment injury, the slight wound rate of employment injury, the death rate of occupational disease, the occur rate of occupational disease and the circumstance of employment injury overhead and so on, to classify the risk grades of occupation ( enterprise ). according to the clustering consequence, the grade differential rate of the
其次，論文運用數學聚類分析方法，結合各行業（企業）的事故發生率、工傷死亡率、工傷重傷率、工傷輕傷率、職業病死亡率、職業病病傷率以及工傷費用支出情況等指標進行行業（企業）風險等級分類。根據分類結果，合理確定各行業風險等級差別費率。再次，論文通過對國內外現行工傷保險費率浮動方法的研究，提出了結合企業千人死亡率、千人重傷率、千人輕傷率和支收率指標來確定企業費率浮動的方法。They were, says mr stephen, and the end was that the men of the island, seeing no help was toward as the ungrate women were all of one mind, made a wherry raft, loaded themselves and their bundles of chattels on shipboard, set all masts erect, manned the yards, sprang their luff, heaved to, spread three sheets in the wind, put her head between wind and water, weighed anchor, ported her helm, ran up the jolly roger, gave three times three, let the bullgine run, pushed off in their bumboat and put to sea to recover the main of america
「此語不差」 ，斯蒂芬先生曰， 「其結果，本島男子發現負情女子異口同聲，無可救藥。遂建造舟筏，攜家財登船，桅桿盡皆豎起，舉行登舷禮，轉船首向風，頂風停泊，揚起三面帆，在風與水之間挺起船首，起錨，轉舵向左，海盜旗迎風飄揚，三呼萬歲，每次三遍，開動艙底污水泵，離開兜售雜物之小舟，駛至海面上，航往美洲大陸。 」Failure situations on bearing bushes from october of 1999 to the two units are generalized, the main causes are divided into four classes : bearing bushes with low quality, overproof on dynamic balance, bad crapping to bearing bushes, and bad fluid oil
通過對該廠1999年10月投產以來的兩臺離心鼓風機的軸瓦失效情況進行的統計，將造成軸瓦失效的主要原因分成4類，即：軸瓦質量差、轉子動平衡超標、研刮不良以及潤滑油油質不佳等。A simulation of the guidance scheme applied to the example tilt rotor vehicle exhibits satisfactory behavior in the presence of wind and initial errors
模擬結果表明，在初始擾動和有風作用下，垂直距離偏差均達到很小。Expounds the five main aspect of risk in national commercial bank, i. e. signal liability structure, bad loan quality, low capital efficiency, imperfect restriction on interior power, thin consciousness on risk avoidance ; summarizes five characters of the bank risks, including risk concentration, moral risk, risks caused by system structure, inequi ty between bank risks and revenues, aggrandizement trend of bank risks ; analysis eight reasons for bank risks, including proprietary ownership voidance, macroeconomic fluctuation, ineffective capita ] buffer mechanism, enterprise reasons. no synchronous fiscal investment and financial reform, incompetence law and regulation enforcement. chapter4 argues the opportunities and challenges of the financial globalization and requirement for bank risk managem ent. chapters suggests the methods for the risk management of national commercial bank
緊接著在第三章闡述了我國國有商業銀行風險的「五大表現」 ，即負債結構單一、信貸資產質量差、資本充足率低、內部控制機制薄弱、防範風險的意識淡薄；總結了我國國有商業銀行風險的「五大特點」 ，即風險高度集中、風險人為匿藏、風險的體制性、風險與收益嚴重不對稱、風險呈繼續擴大態勢；剖析了我國國有商業銀行風險形成的「八大因素」 ，即金融產權「人格」虛設、宏觀經濟波動、資本金等緩沖機制不健全、財政、投資和金融的體制改革不配套、法律和法規不健全等。Firstly, a representative wind and wave model, which could both simulate the main characteristics of wig over sea waves and be suitable for numerical calculation, is presented. the model completely considers the fully nonlinear effect of wave surface on the wavy air flow, separates the disturbance of wave surface from the wing - air wave interaction flow, and overcomes the numerical calculation difficulties due to the large difference of dimensions between wing and water waves
首先針對機翼在風浪中的非定常非線性氣動力問題，提出了一個既能夠反映風浪場主要特徵又適合於數值計算的風浪場模型，該模型完整地考慮了波浪表面對氣流場的全非線性影響，使波面對流場的擾動分離出來，消除了機翼和波浪幾何尺度上的巨大差異帶來的數值計算上的困難。In light of market risk, there are sensitivity measurement method and volatility measurement method as well as the concepts about risk measurement, such as variance, duration, 3 - coefficient, 5 - coefficient and value at risk. and in light of credit risk, there are accounting - based ratio measurement method and volatility - based measurement method, as well as the related concepts, such as credit rating, z - score, transition matrix, expected default frequency
其中，針對市場風險度量的方法包括靈敏度測量風險方法和波動性測量風險方法，與之相關的風險度量概念有方差、持續期、系數、類系數和在險價值；針對信用風險度量的方法包括基於財務比率的風險測量方法和基於波動性的風險測量方法，與之相關的風險度量概念有信用評級、 z分數、轉換矩陣、違約頻率。Of course, nowhere was this proven more perfectly than with braveheart. gibson poured his soul into the story of william wallace, a young scottish freedom fighter who united the land and brought about revolt in scotland against the british
接下來吉布森還在迪斯尼動畫片風中奇緣中為約翰史密斯配音並一展歌喉，我們倒是發現他的唱功不算太差。Here the methods of covariance analysis and vibration analysis are employed to obtain the background and resonant component of wind - induced response. and the methods of load - response - correlation and inertial force are used to obtain the background and resonant component of eswl
對于風致響應的背景分量和共振分量，分別採用方差分析法和振動分析方法來求解；對于等效風荷載的背景分量和共振分量，分別採用lrc法和慣性力法來求解。( 4 ) the dike breach risk of the south bank is relative higher in wandering reaches. ( 5 ) the dike breach risk of the north bank is higher than the south bank in winding reaches. simultaneously, the evaluation results manifest that the evaluation indexes system established from the locomotion of incoming water and sediment load, the regional crustal stability, the evolvement of river regime and the stability of river dikes, can reflect the actual situation of hang river in the lower yellow river more fully
評價結果同時表明，從水沙運動、區域地殼穩定性、河勢演變和堤防穩定性4個方面建立評價指標體系，能夠更加全面的反映黃河下游懸河的實際情況;運用多層次模糊綜合評判法能夠較好地解決影響因素眾多、作用機制復雜的懸河決溢風險問題;運用gis技術強大的空間分析功能，使黃河下游懸河不同空間位置的決溢風險得到了量化，可以客觀地反映黃河下遊河道不同空間位置決溢風險的差別，對于指導防洪和河道治理的實踐具有重要的現實意義。Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running
本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。Applying the economic theory, the author reveals the arising source of the problem of doping, and points out : the overflowing source of doping is that athletes using doping can gain enormous return and cost very little ; the very low rate of doping examination urge the athletes to become risk fanciers and to decide to use doping ; under the " fear to suffer a loss " psychology, it is a good strategy for the athletes of individual items to use doping, but it is not a good strategy for the athletes of collective items
摘要運用經濟學有關理論，揭示了競技體育中興奮劑問題產生的根源，並對有關問題進行了分析，指出：巨大的成本收益反差，是造成興奮劑泛濫的深刻根源；極低的興奮劑檢測率和檢出率促使運動員成為風險愛好者，進而做出服用興奮劑行為決策；在「怕吃虧」心理的作用下，個體項目運動員之間博弈的結果是服用興奮劑對自己是較好的策略，集體項目運動員服用興奮劑的明顯少於個體項目也是運動員之間博弈的結果。Apoe2 binds poorly to the ldlr, and homozygous inheritance of the apoe2 allele is strongly associated with type iii dyslipoproteinemia. apoe2 and apoe4 are associated with hypercholesterolemia and atherosclerosis ( as ). the apoe4 is also associated with higher incidence and earlier age of onset of late onset familial alzheimer ' s disease ( ad ), whereas apoe2 may have the opposite effect
Apoe _ 2與ldlr結合能力很差，與型高脂血癥關聯。 apoe _ 2和apoe _ 4與高膽固醇血癥、動脈粥樣硬化（ as ）等疾病有關， apoe _ 4還是老年癡呆（ ad ）的高發風險因子，而apoe _ 2則對預防老年癡呆病的發生具有積極作用。However, the research of international trade financing has started since the rmb exchange rate became popular in international market in 1994, other business bank got the fair condition of competition, international trade financing became the important tool in which the competition in international settlement between other banks and china bank, and it has been developing gently
撰寫本文的目的就是為了使我國進出口企業、銀行和政府之間通力協作，減小我國國際貿易融資與國際慣例存在的差距，使進出口企業和銀行能夠選擇正確的融資方式，有效防範國際貿易融資風險，從而確保國際貿易活動的順利進行和健康發展。Using the system designed in this thesis work, flow field calibration of the wind tunnel is accomplished, which covers dynamic pressure drop coefficient, dynamic pressure time stability, axial static pressure gradient, boundary layer, and degree of turbulence, etc. boundary layer measuring principle and method are especially described in detail, the relationship between boundary layer thickness, wind speed setting, and the depth of the experimental section is summarized, and finally the calibration data for th e model center zone under specific wind speed are given
然後利用本文設計的系統完成了落差系數、動壓時間穩定姓、軸向靜壓梯度、邊界層及湍流度等內容的流場校測。特別對邊界層測量的原理及方法做了較詳盡的敘述，總結出邊界層厚度與設定風速、實驗段深度的關系，然後給出模型中心區一定風速下校正數值。National debt national debt is issued by the government assure to repay captital with interest, the risk is spent small, be called " gilt - edged bond ", have cost low, fluidity stronger, reliability is more advanced characteristic ; in national debt 2 extremely do on the market do more empty, those who do is the balance of national debt interest rate and market money rate only, the scope that fluctuates up and down is very little
國債國債由政府發行保證還本付息，風險度小，被稱為「金邊債券」 ，具有成本低、流動性更強、可信度更高等特點；在國債二極市場上做多做空，做的只是國債利率與市場利率的差額，上下波動的幅度很小。( 2 ) on the leading edge, the film cooling effectiveness at the zone immediately downstream of the cooling holes is affected by blowing ratio and mainstream reynolds number, while the effects are not important in the downstream zone far from the cooling holes. ( 3 ) on the front half of pressure surface, the effectiveness increases with decreasing blowing ratio at the downstream near the cooling row and it is contrary at the downstream far from the cooling row. ( 4 ) on the rear pare of the pressure surface, the effectiveness decreases with increasing blowing ratio and does not vary so much downstream in the cases of higher blowing ratio
研究結果表明葉片吸力面端壁附近區域壓力系數分佈呈現出較強的三維特性，動葉吸力面尤其明顯；氣膜孔流量系數隨吹風比的增加而增大，在高吹風比情況下，流量系數逐漸趨于常數；在不同型面區域，冷卻效率分佈有較大的差異，而且吹風比與主流雷諾數的影響程度也不盡相同；低吹風比下，孔出口下游附近可以得到較好的冷卻，中、高吹風比下，冷氣射流在加速流動主流的作用下返回壁面進行二次冷卻，孔下游較遠區域可以得到較好的冷氣覆蓋。Secondly, theoretical models for time series, such as garch, egarch, tarch and garch - in mean, and the methods of parameter estimation are introduced. then, these models are employed to test the volatility in shanghai a - share, shanghai b - share, shenzhen a - share and shenzhen b - share. next, in chapter 4, we study the co - integration and test the granger causality between the four share indexes. finally, the spillover of volatility between a - shares and b - shares markets are tested
第二，通過模型的比較分析，發現殘差基於t分佈的arch類模型較之基於正態分佈和ged分佈的arch模型能更好地刻畫我國股指收益率序列的特徵。第三，滬深a股在兩個階段的變化甚微，保持著非對稱效應，對利空消息的波動大於利好消息的波動，風險補償為正向，且風險補償系數的變化不大。The paper is composed of five chapters the first chapter first introduces the concept, characteristics and the course of development of the stock index futures, then deduces the pricing formula of stock index futures and further analyses the functions of stock index futures and the impact of its transaction on the fluctuation of the spot transactions. the second chapter demonstrates the need and feasibility of the introduction of the stock index futures in china. through the empirical analysis of the market risk of china ' s stock market, we can see that the risk difference between individual stocks, so a portfolio investment wo n ' t help much in risk aversion
本論文共分為五章，第一章在介紹股票指數期貨的概念、特點以及產生與發展的過程的基礎上，對股票指數期貨的定價公式進行了推導，從而引出股票指數期貨的套期保值、指數套利、資產配置、組合保險等作用，進而分析股票指數期貨交易對股票現貨市場波動性的影響；第二章主要是對中國推出股票指數期貨的必要性和可行性進行論證，通過對中國股票市場風險測度的實證分析，得出了中國股票價格波動齊漲齊落，個股之間的風險差異小的特點，因此，投資者進行投資組合的避險效果就很有限，無論是個人投資者還是機構投資者，都必須面臨中國股票市場巨大風險的事實。分享友人