有效系數 的英文怎麼說
中文拼音 [yǒuxiàoxìshǔ]
有效系數
英文
availability factor- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 有效 : effective; valid; efficacious
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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This paper recurred to the basic theory of rough set of data mining and under the direction of the frame of intelligent decision, the main theories include i ) the different methods of data mining on the base of rough set are used to deal with typical decision system namely consistent decision system and inconsistent decision system in order to carry through data reduction and rule distilment ; ii ) in the environment of dynamic increment database, the methods of data reduction to deal with the original data and increment data are discussed in the consistent and inconsistent decision system ; iii ) the method of data mining of rough set is analysized to treat with the attributes with priority ; iv ) on the base of basic rough set theory, the data analysis methods of amalgamation of rough set theory ; v ) and also the pre - disposal method to database is analysize
本文從系統工程進行決策分析的角度出發,藉助數據挖掘技術中粗糙集的基本理論,在智能決策框架的指導下,研究了基於數據挖掘的智能決策理論及方法。主要理論包括:如何利用粗糙集對典型的決策系統即相容性決策系統和不相容性決策系統運用不同的數據挖掘方法進行有效的數據約減和規則提取;在增量動態的數據庫環境下討論了在典型決策系統中對原始數據和增量數據進行數據約減的方法;分析了帶有優先權屬性的粗糙集數據挖掘方法;以基本粗糙集為基礎探討了粗糙集擴展模型的數據分析方法;研究了粗糙集數據預處理方法。A machine which has 100% efficiency is perfect.
具有100有效系數的機器是完美的。After reduction, the effective numerical method is adopted to explore the response and stability information of the system, and the state of motion and type of the bifurcation are analyzed by floquet theory
降維之後,採用有效的數值計算方法分析系統的動響應和穩定性,利用floquet理論分析其運動狀態和分岔類型。Due to the low mechanical efficiency and long circulating period of the down - charging system of cold bed in bar production line, this paper puts forward the improving project, which adopts ethernet supplemented by dp network, applies the fm350 - 2 advanced counter and suitable maths model and combines the technique of the transducer and hydraulic pressure drive control to realize auto - control
摘要針對棒材生產線上冷床下卸鋼系統機械效率低、運行周期長,不能適應快節奏生產的現狀,採用以工業以太網為主、 dp網為輔的網路通訊,應用西門子fm350 - 2高速計數器,通過有效的數學計算模型,結合變頻器和液壓傳動控制技術,實現網路自動化控制。With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics
熱電聯產系統熱電相互牽連,熱泵供暖(空調)系統不容易很好地滿足尖峰負荷,鍋爐供暖系統供熱中天然氣燃料構成的成本過高,內燃機雙源供暖(空調)系統的高發電效率僅限於100kw - 1000kw負荷范圍,供熱面積有限。對于大面積的商業園區、居民小區,燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖(空調)系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性,結合北京某一商業園區示範工程,進行了系統的計算與分析,得到了有效的數據與結論,在此基礎上,提出影響聯合循環雙源供暖(空調)系統經濟性的主要因素,並進行敏感性分析,得出有益的結論;最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解,並指出系統的優化方向。The minimum shear resistance of beams in the paper is close to the one in the code for design of concrete structures " gb50010 - 2002 '. according to the actual project, the destroy of 448 kinds of beams are analyzed by computer by taking account of the effective coefficient " " of the strength of concrete confined by hoops, the relationship with the section property of beams, the critical point of the arch - rib failure transiting to the shear - compression failure which is advanced in the anti - theory, and the contribution to the beam ' s shear resistance of the concrete in the shear - compression zone
引用箍筋約束混凝土的有效系數,利用其與梁截面特性的關系並結合理論分析中提出的梁剪壓破壞與斜壓破壞的分界點,同時考慮了剪壓區混凝土的抗剪貢獻,從工程實際出發,編程擬算了448種梁構件的破壞情況,計算結果表明,梁發生在剪壓破壞范圍內的最大抗剪承載力值比混凝土結構設計規范gb50010 - 2002值略高。During the last two decades, homotopy continuation method has been developed to be a reliable and efficient numerical algorithm to solve such problem
同倫連續方法近20年來已經成為求解多項式系統全部孤立解的一種可靠而有效的數值演算法。In lifting - surface theory, the non - liner phenomena of the trailing vortex in the transition wake area and of the tip vortex separation are considered. in surface panel method hyperboloidal quadrilateral panels are employed and the morino ' s analytical formulation is used to determine the influence coefficients. the more reasonable pressure kutta condition is satisfied at the trailing edge of propeller blade
在計算中,對于升力面理論,本論文考慮了過渡區尾渦收縮和葉梢分離的非線型現象的影響;對于面元法,本論文採用的是計算較為簡便的基於擾動速度勢的基本公式及雙曲面形狀的面元,在槳葉隨邊滿足更趨合理的壓力kutta條件,並用morino導出的解析公式計算面元的影響系數的快速有效的數值預報方法。Recently, application of an innovative and efficient data analysis techniques in system identification and damage detection of civil structures is receiving much attention
近來一種新型而有效的數據分析技術? hilbert - huangspectralanalysis ( hhsa )在結構的系統識和別損傷診斷的研究中受到了廣泛的關注。The directed graph model of agvs is used to give a mathematical tool for the research of dispatching methods and routing algorithms of agvs ; the colored tempo - petri net system model of agvs is mainly used to describe the concurrency of agvs and the conflict of agvs
有向圖模型主要于為通過模擬來研究自動導引車的調度方法和路由演算法提供了一個有效的數學工具;而有色時延petri網系統模型則主要用來在計算機模擬系統中描述agv之間的沖撞和agvs的並發特性。Based on the recognition of financial risk formation and conduct, by studying on forecasting model of financial risk, this paper revealed the limitation of enterprise financial risk forecast model by compare analyzing. based on the actual conditions enterprise, the paper supposed the new enterprise financial risk forecast with the core of improved method of efficacy coefficient, which based on the assessment of business performance. meantime, the paper also studied positively the application of enterprise financial risk forecast model. finally, the study on the tactic of risk control is the aim of financial risk analysis
基於企業財務風險生存與傳導的認識,通過對已有企業財務風險預警模型的比較研究,揭示了這些模型的局限性,針對企業的實際情況,論文以企業經營成果評價為方法和手段,提出了以改進的功效系數法為核心的風險預警模型,同時對該模型在企業風險預警中的應用做了實證研究,最後,論文把財務風險控制的研究作為企業財務風險預警研究的落腳點,在對企業財務風險控制目標分析的基礎上,結合風險控制的基本途徑,提出了財務風險控制分析框架。Based on the problem mentioned above, the paper hopes that a network for transmitting effectively public health datum will be built, and a rural public health management information system based on gis for managing datum will also be built
針對上述問題,本文研究在我國農村基層公共衛生機構之間建立起有效的數據傳輸網路,並建立基於gis的農村公共衛生管理信息系統對其進行統一管理。Chapter four control the stock investment risk, aims at the different types of risks discussed above, has constructed a systematic scheme to control the investment risk effectively. firstly, it utilizes basic analytic approach, the technological analytic approach and index system of the risk measurement to control individual stock ' s unsystematic risks in minimum ; secondly, it uses modern investment theory to dispel the unsystematic risks through combination investment. finally, our country should introduce the stock price index futures and so on in good time, utilize stock price index futures to hedge the stock portfolio and control the systematic risks of the stock portfolio, thus can finally realize the effective systematic controls on stock investment
第四章「證券投資風險的控制」 ,針對前面討論的不同種類的風險,構造k碩士學位論文物篇夕m引皿』 s 」 l 」 i壓引s一了個有效控制投資風險的系統方案:首先,利用基本分析法、技術分析法和風險度量指標體系,將單個證券的非系統性風險控制在最小;其次,利用現代投資理論,通過組合投資來消除非系統性風險;最後,我國應適時推出股票指數期貨等衍生余融工具,利用股指期貨對證券組合進行套期保值,就能控制證券組合的系統性風險,最終實現對證券投資風險的有效系統控制。Based on the advanced and popular portable instrument ’ s kernel technology along with the embedded operational system such as windowsce system platform, aiming at human ’ s biomedical signal ? measure of blood pressure parameter, with the msp430 microprocessor which has powerful ability of transaction and achievement the real - time data pick and process. on up - computer, using platform builder tool customizing the windows ce platform using the vc programming language finishing the application software to multi - parameter monitor, the whole system achieving the data ’ s sample, real time disposal, analysis, display, store and communication of biomedical signal and imitate the system
整個應用系統基於目前流行的便攜式儀器的核心技術- windowsce系統平臺,針對人體的生物醫學信號(血壓參數的測量) ,運用處理能力強大的msp430單片機對實時數據進行採集、處理,在上位機部分用platformbuilder工具定製了windowsce平臺,利用vc語言編寫了多參數監護儀的應用軟體,在數據採集、處理模塊中,針對血壓脈搏波這種生物醫學信號特點,合理運用msp430單片機硬體資源及其功能特性對採集的數據進行有效的數據濾波處理,得到了有效的血壓生理參數。On the basis above, the paper sets a multiple evaluating index for the thermal environment, and then according to the critical transferring condition of the natural ventilation and the air conditioning in dwellings, the paper offers a " correction factor of energy consumption " to make a scientific and correct evaluation for the energy consumed by those sorts of buildings. further more, the author programmed the subprogram of thermal comfort results by fuzzy evaluation for the natural ventilation room so as to form an entire program, which could make it easy to numerically calculate the indoor thermal environment of residential buildings, and evaluate and analyze its thermal comfort as well features of energy conservation
西安建築科技大學博士學位論文利用熱環境定量化分析及舒適性評價計算程序,對夏季自然通風條件下建築特性與室內熱環境影響關系進行了定量化計算分析,得出在滿足冬季節約採暖能耗要求的前提下,合理組織自然通風是改善夏季室內熱環境的有效手段;以寒冷地區三個城市為例,對比分析了不同地區夏季自然通風的有效時數;結合實際測試分析,提出全面改善夏季室內熱環境的系統優化設計方法。In recent years information industry based on computer and network gains unprecedented development and proposes a higher requirement for the technology of information storage. it is mainly embodied in the following aspects : memory capacity of mass date, reliability of memory system, adaptability to different types of data storage, high bandwidth and security of data access and providing effective solution to data memory
近年來以計算機和網路為基礎的信息產業獲得了空前的發展,對信息的存儲技術提出了更高的要求,其主要表現在:海量數據的存儲容量;存儲系統的可靠性;對不同數據存儲類型的適應性;數據訪問的高帶寬和高保密;以及提供有效的數據存儲解決方案。This thesis focuses on the research of personalized web search. firstly, we analyze related feedback techniques, which is one of the key techniques of personalized search. then, we construct two mathematics models to describe the relationship between users ’ browsing behaviors and interests
本文圍繞個性化網路搜索的研究逐步展開,針對個性化搜索的關鍵技術之一? ?相關反饋進行了深入的剖析,並建立了兩個有效的數學模型描述用戶的瀏覽行為與興趣度之間的關系。However, a much different conclusion was reached when the validity coefficients were tested statistically
然而,當測試統計有效系數時,會得出大相徑庭的結果。No significant differences were found for the validity of the ability tests, and when peer ratings were used as predictors, only 16 out of 84 pairs of validity coefficients showed a statistically significant fifference
能力測試的有效性並無顯著差異,當同等級別被設置為預報器時,在84對有效系數之外,僅有16對有效系數顯示差異顯著。Deformation control of deep excavation pits is firstly introduced in detail, and new conceptions of effective coefficient, effective area, no - effective area and critical line, including the referential criteria and economic - effective measures of deformation control, have been put forward
摘要文中首先對深基坑工程變形控制進行了詳細的論述,提出了基坑有效系數、有效區、失效區、臨界線的新概念,同時提出了變形控制參考標準和經濟有效的變形控制對策。分享友人