整體選取 的英文怎麼說

中文拼音 [zhěngtǐxuǎnqǔ]
整體選取 英文
superselect
  • 整 : Ⅰ形容詞1 （全部在內; 完整） whole; all; complete 2 （整齊） neat; tidy; orderly Ⅱ動詞1 （整理; 整...
  • 體 : 體構詞成分。
  • 選 : Ⅰ動詞1. （挑選） select; choose; pick 2. （選舉） elect Ⅱ名詞（挑選出來編在一起的作品） selections; anthology
  • 取 : Ⅰ動詞1 （拿到身邊） take; get; fetch 2 （得到; 招致） aim at; seek 3 （採取; 選取） adopt; assume...
  • 整體 : ensemble; whole; entirety
  • 選取 : select; choose
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下：首先針對荒漠化地區的地物特徵，對高光譜數據不同波段的數據質量、波段組合進行了評價，提出了適用於荒漠化監測的基本波段選擇集；初步了解和掌握了研究地區的地物光譜特性及變異規律，進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎；發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，通過引入均值和方差圖像參與分類得到解決；研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段，這些波段與植被生物量和蓋度都有密切的關系，是開展精細植被分類研究和植被定量反演的重要基礎；像元的導數光譜分析可以消除土壤背景的影響，是進行植被生物量和蓋度定量反演的有力工具；建立了荒漠化監測主要評價因子的定量反演模型，並分析了模型的適用性。
  2. Compared the equity structure and corporate governance of listed company of our country with countries such as u. s. a, japan and germany, and by game theory, this dissertation analyzes the influence mechanism of equity structure to corporate governance of a listed company from following main respects : stimulation, restriction, take - over by other company, and competition of dealership. by theoretical research, it comes to that a comparatively centralized equity structure helps to perfect corporate governance ; for its fierce competition and stability of performance, we choose the data of the industry of wholesale and retail trade listed companies of our country to analyze the influence that equity structure made to corporate governance by regression analysis, and approve it by real case. by the theory and real example, we draw the conclusion that a mode of comparatively centralized equity and main power is controlled by fictitious persons is ideal, and correspond measures are put forth to advance the economic development of our country

    本文通過對我國、美國、日本利德國等發達國家的上市公司的股權結構利治理模式比較；通過採用博弈論等方法分析了上市公司股權結構對公司治理的激勵機制、監督機制、外部接管市場和代理權競爭四個方面的影響，從理論上得出相對集中的股權結構有利於完善公司治理結構：通過選取了我國競爭比較激烈、業績相對穩定的批發與零售行業的上市公司的數據、採用回歸分析的方法對不同性質和集中度的股權結構與公司業績的關系進行了實證分析，還進行了具體的案例分析，由理論利實證研究相結合得出股權結構相對集中的法人控股模式為一種理想模式，並提出了促使我國上市公司股權結構調整使治理結構合理化的相應建議。
  3. Then the structure unit of hexangular lattice is found according to the principle of invariable symmetry. renormalization transformation is processed when we regard the structure unit and the growth model as graphs before and after transformation respectively. after choosing the 11 thermodynamic function fugacity as parameter, we can write out the partition functions before and after transformation and the formula of renormalization transformation

    然後根據對稱性不變的原則，從整體晶格中選取結構單元，把結構單元和生長模型分別作為重整化變換前、后的圖形來進行重整化變換，選取熱力學函數易逸度為參量，寫出了重整化變換前後的配分函數和重整化變換關系式，求出了這一變換的不動點。
  4. After entry of wto, there are still many maladjustments in guangxi ' s seed industry, such as the weak foundation of sees industry development ; the unformed market of the seed industry for fair competition ; small - scale seed enterprises ; no systematic connection among the cultivation, breeding and marketing ; lower qualification of staff who work in the seed industry and with weak sense of laws, and lack of the knowledge in operating experiences in the international market and trade etc. yet the un - efficiency system, unclear property right in enterprises, the lack of an effective mechanism to promote the rational use of resources in the seed industry and the lack of such concept as " the government creates environment and enterprises create fortune " are the deep - seated causes of the problems in guangxi ' s seed industry. therefore, the key points for promoting development of guangxi ' s seed industry under the wto framework are to focus on the promotion of the developing capability of seeds " integrated products, constantly deepen reforms, to adjust various relevant factors in the system of the seed industry which is inconsistent with each other, and to establish a new - pattern system with evident characteristics of the time spirit in order to meet the requirements of the market economy. hereinto, the specific strategies and measures for promotion of guangxi ' s seed industry development under the wto framework include kee ping up reform and innovation of the system of the seed industry, executing of non - nationalization reform in state - owned seed enterprises, formulating and executing relevant supporting policies, the improving the legal system in the seed industry, increasing public financial support on the seed industry, promoting the integration of cultivation, breeding and marketing, strengthening human resource development, developing the main body of the seed industry ' s market and making proper conditions for the functions of seed associations in the seed industry development etc

    研究結果認為：發展種子產業應該把著眼點放在促進種子整體產品的開發上；種子產業的發展依賴于能充分發揮整體功能的新型種業體系的構建，而目前廣西種業體系中的品種選育、種子生產加工、種子經營以及政府管理、公共支持和社會服務六個主要組成部分都存在明顯的缺陷與不足；廣西種子企業綜合競爭力總體處于較弱水平；面對wto ，廣西種子產業仍有諸多的不適應，突出表現在產業發展基礎薄弱、尚未形成可以公平競爭的種業市場、種子企業規模小、育繁銷脫節、種業人才素質不高、種子企業法律意識淡薄、國際市場運作經驗和國際貿易知識不足等多個方面，而體制不順、企業產權不明晰、缺乏促進種業資源合理流動的有效機制以及「政府創造環境，企業創造財富」的正確理念正是導致目前廣西種子產業不能適應入世需要的深層次原因；因此，以提升種子整體產品開發能力為核心，不斷深化改革，調整種業體系中不相協調的各有關因素，構建起符合市場經濟體制要求的具有鮮明時代特徵的新型種業體系，是wto框架下加快廣西種子產業發展必須堅持的指導思想；其中，加快種業體制改革和創新、實施對國有種子企業的非國有化改造、制訂落實有關扶持政策、完善種子法律法規體系、加大公共財政對種子產業的支持力度、推進育繁銷一體化的形成、加強人才培養與引進、壯大種業市場主體、實行重點突破戰略、發揮種子行業協會作用等等，都是wto框架下加快廣西種子產業發展應該採取的具體對策措施。
  5. In analyzing the research of branch companies performance evaluation of ningxia yinqi group, pointed out the disadvantages and inelasticity of " production value and output " branch companies performance evaluation system type, and also pointed out the solution was establishing the type of " financial and developing " system, which was fit for the stratagems and the organize changing of the group. based on this, the qualitative and quantitative evaluation system and methods on financial benefit, asset operating, sinking ability and developing ability have been built. the system closely centered on the stratagem of subsistence, development and accrual combining with the influences of the performance

    在建立下屬企業績效評價體系和方法的過程中，緊緊圍繞企業生存、發展、獲利的戰略目標要求並結合企業績效的實際影響因素，提出了以財務效益、資產運營、償債能力和發展能力為主導的定性和定量評價相結合的評價體系和方法，在評價指標的選取上做到互相補充，在評價方法上建立從單一評價到綜合評價直至形成整體評價的方式，在定性評價上採取了絕對數、相對數和相互對比評價的方法，在定量評價上結合層次分析法（ ahp ）等相關評價方法的基礎上建立了綜合評價模型，適合於計算機軟體處理數據以提高評價工作效率。
  6. In recent years, with further development of security market and establishment of modern enterprise system in china, the theory and practice of enterprise operation performance measurement have been developed greatly in china, and then more and more scholars have engaged in the research of this area, especially non - financial performance measurement and strategic performance measurement attract more people ' s attention today and so have become heated issues in theory. however, this trend cannot weaken the financial performance measurement ' s importance in an enterprise ' s inner management system. whether a shareholder or a leader of a company will not invest their capital in an enterprise which cannot bring back satisfactory financial result, noneffective financial performance measurement will surely destroy value of your firm

    近年來，隨著我國證券市場的深入發展和現代企業制度的建立，企業經營業績評價理論和實務在我國得到了很大的發展，已有越來越多的學者從事于業績評價相關問題的研究，特別是非財務業績評價和戰略業績評價越來越多地得到了人們的重視，現今已成為了理論界的熱門話題，但是，這並不能掩蓋財務性的業績評價在企業管理中的重要作用，無論是股東還是公司的領導者都不會對一個不能帶來滿意財務結果的事業投入資本，不科學的財務業績評價方式肯定會損害企業的價值，而作為指導整個企業經營的總目標和衡量企業綜合經營成果的核心財務指標的選取是否科學直接影響著整個業績評價體系的有效性。
  7. Using the net assets per capital, the investment return rate, the t - m model, the h - m model, the single factor evaluating model which consists of the treynor index, the jensen index, the sharpe index and the square m index, we evaluate the performance of the twelve mutual funds. and we come to the following conclusions : ( 1 ) after the modification of the risk factor, our mutual funds in the recent one year outguess the market ; ( 2 ) better performance comes from the aid of the government, the improvement of the investment environment and the hard, smart work of the managers especially in the way of selecting some securities in the capital market. ( 3 ) though we make progress, there are still many problems which prevent the further development of our mutual funds such as the devise of the management fee and the characteristics of different funds, all of them divided into the subjective ones and the objective ones

    通過使用投資基金單位凈資產和投資收益率指標、單因素整體績效評估模型，包括treynor指數、 jensen指數、 sharpe指數和業績的m ~ 2測度以及t - m 、 h - m模型對12隻樣本基金進行實證研究，實證研究表明： （ 1 ）經過風險調整后，在最近的一年中，我國證券投資基金的業績總體上優於市場基準組合； （ 2 ）基金業績的提高得益於管理層的重視、投資環境的改善和基金經理的經營，而基金經理的良好業績是通過一定的證券選擇來獲得的； （ 3 ）已成為證券市場上舉足輕重力量的基金在發展過程中雖然取得了一定的成績但其進一步發展還面臨著許多問題，有主觀存在的諸如管理費率的設定、基金風格方面的問題等等，也有客觀存在的諸如證券市場現階段的不完善等等，所以，我們應該抓住《證券投資基金法》問世帶給基金業發展的契機，大力促進證券投資基金規范發展，採取各種措施做大、做優和做強基金業。
  8. The strategy included the principle and selects of dcs controlling system project, force analysis and calculation of the pectination slides, the design of hard ware and software, anti - interference design of hard ware and software, selects of plc and transformer, and system control design of intellectual simulative modulated plate, etc. and also analyzed the extension and reliability and economic ability of the pectination slides synchronism controlling system

    包括該同步控制系統控制方案的選取、控制系統的原理、梳式滑道絞車的受力分析和計算、同步控制系統的plc設備和程式控制系統傳感器等硬體的選型、程式控制系統的硬軟體設計，程式控制系統的軟體抗干擾設計和智能調度模擬控制系統設計等。並對整個系統的擴展及系統可靠性和經濟性進行了分析。
  9. To seek for an optimum plan that properly integrates land resources and taps potential new senses of pride in urban economic development by respecting the history of industrial development and reflecting the scene of modernization in beijing, beijing municipal commission of urban planning and beijing municipal bureau of state land & resources are hereby inviting worldwide urban planning / design firms experienced in property, development, urban planning, urban design, landscaping and track transport design, or joint ventures of such firms, to apply for prequalification, which, as conducted by experts and government agencies organized by beijing municipal commission of urban planning and beijing municipal bureau of state land & resources, is intended to determine about six firms or joint ventures as participants

    為了使北京焦化廠工業遺址保護與開發建設的規劃能夠在尊重北京工業發展歷史和展現北京現代化發展風貌的基礎上，通過土地資源的合理整合，挖掘城市經濟發展的新亮點，找到一個最佳的建設規劃方案，現北京市規劃委員會和北京市國土資源局面向全球范圍，公開邀請具有地產開發、城市規劃、城市設計、景觀設計、軌道交通設計經驗的規劃設計機構或由上述機構組成的聯合體前來參加應征資格預審，由北京市規劃委員會和北京市國土資源局組織專家、政府有關部門進行資格預審，通過資格預審選取6名左右應徵人或聯合體應徵人參加徵集。
  10. Directed by new theories and approaches of sedimentology, diagenesis and reservoir evaluation, focused on marine clastic reservoir of donghe sandstone member, in tarim basin, strata and depositional system of donghe sandstone member are classified ; typical depositional facies types, depositional model and horizontal distribution have been studied through depositional facies analysis of 17 single wells, combined with seismic data. major diagenetic events, stages and " four history " collaboration have been systematically analysesed, furthermore, the relation between reservoir diagenesis and porosity evolution has been built ; thorough studies on reservoir lithology, physical property and pore structure, reservoir development related to depositional envoironment, diagenesis and tectonic has been discussed ; reservoir has been evaluated and predicted by five influential parameters drawn from the results of the study on depositional facies, diagenesis and reservoir characteristic. in the end, favourable reservoir body distribution has been pointed out

    本論文以沉積學、沉積巖石學、沉積成巖作用與儲層地質學、儲層評價技術的新理論新方法為指導，以塔里木盆地巴楚組東河砂巖段海相碎屑巖儲層為主要研究對象，通過17口典型井的單井地層沉積相分析和成巖作用分析，結合地震資料，對東河砂巖段地層和沉積體系進行了詳細劃分，研究了東河砂巖段分佈區的典型沉積相類型、沉積模式及其平面展布特徵；系統分析了東河砂巖段碎屑巖儲層的主要成巖事件、成巖期次及其四史配置關系，指出了儲層成巖與孔隙演化的關系；深入研究了東河砂巖段碎屑巖儲層的巖石學特徵、物性分佈、孔隙結構等特徵，著重討論研究了沉積環境、成巖作用和構造作用對儲層發育的影響；運用「權重」評價法結合地層沉積相、成巖演化和儲層特徵研究的結果，選取了五個對儲層發育有重要影響的參數對儲層進行了整體的評價和預測，指出了塔里木盆地東河砂巖段儲層有利儲集體的分佈狀況。
  11. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈，由此可知在涉外貿易這種以高投入、高風險著稱的行業里，如何甄別和規避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此，正文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析，這也是本文的主要研究內容。首先，統計學篇選取了深圳證券交易所行業分類指數?紡織服裝指數（ ti ）每一季度末的交易收盤價和若干種反映宏觀經濟變化的指標，利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函數等理論做實證分析，從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市值的沖擊比較明顯，且可知沖擊程度和時滯度，進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著，從博弈論的角度具體分析一家紡織品出口公司（ beauty ）的外貿活動所面臨的各種經營風險，該篇從博弈擴展圖入手，分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配，研究了有限回合和無限回合合作談判博弈，然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元化來分散風險的目的，投資組合篇從經典的markowitz模型著手，在一些特定條件的限制下，給出了一個相應的投資組合模型。
  12. A reasonable position of driving nozzle helps to achieve the maximum material flow that also depends on other parameters such as backpressure, properties of conveyed material and driving gas. it is observed that, an increase of convergent section angle is harmful to the pneumatic conveying system, and also influences on the mass flow rate of conveyed material, the distribution of static pressures in injector and the pressure drops of conveying pipe. in addition, within a reasonable scope of air mass rate, increasing the driving jet velocity is more advantageous than enlarging the dimension of driving nozzle

    試驗研究發現，氣體噴嘴位置對氣固噴射器的輸送能力影響最大，氣體噴嘴存在某一最佳位置，而這一最佳位置與背壓、輸送物料特性和輸送風特性相關聯；氣固噴射器的收縮角對其輸送能力、內部靜壓分佈和輸送管阻力特性均有適量影響，收縮角增大對整個輸送系統均不利；在適當的輸送風范圍內，提高氣體噴嘴出口速度比擴大氣體噴嘴尺寸更為有利，但氣體噴嘴出口速度過高會增加氣固噴射器和輸送管內的能量損耗，給輸送帶來不利的影響；系統背壓與氣固噴射器的氣體噴嘴出口速度的選取有關。
  13. The thesis chooses " chinese city repon ", which is a typical example in the present model of the cooperation strategy in the chinese city tv media to observe as a whole. from the observing, the thesis summarizes the successful points and the fail points in the present model of the cooperation strategy in the chinese city tv media, and establishes the model in future of the cooperation strategy

    本文還選取了中國城市電視媒體合作競爭戰略的現實模式中，一個典型案例? ? 《中國城市報道》進行了整體性的考察，通過考察總結中國城市電視媒體合作競爭戰略的現實模式中的成功點和失敗點，並在此基礎上提出了中國城市電視媒體合作競爭戰略的未來模式。
  14. In the genetic process of reproduction, crossover and mutation of the chromosomes in this method, these operators pr, pc and pm are produced randomly within some space, the scale of population and all kinds of genetic probability are also adjusted randomly so that the diversity individuals of population is ensured. the ga of dynamic population scale passes more information of paternal chromosomes to the offspring, which is beneficial to search the global optimization or quasi - global optimization

    該方法在染色體進行繁殖、交叉、突變的遺傳過程中，在某一范圍內隨機選取p _ r ， p _ c ， p _ m ，動態調整種群規模，保證了種群個體的多樣性；選擇同父本分別進行三種遺傳過程使得父本染色體中有更多的信息傳遞給子代，這有利於搜索全域最優解或準最優解。
  15. This thesis explains the necessity of the character recognition technology of the computer at first, describe the meaning in which the handwritten numeral discerns ; pretreatment technology of handwritten numeral recognition, including two value, line segmentation, word segmentation smooth, removing noising, standardization and thinning are discussed two value concretely discusses whole threshold value, some threshold value, dynamic threshold value and utilize space information to carry on threshold, which are several kinds of common method of choosing threshold value, especially utilize space information to carry on threshold value is describe in detail ; adopting to the foundation of thinning based on mathematics morphology, thinning algorithm of serials same and thinning algorithm of protecting shape are discussed ; afterwards, according to principle ' s diagram of the on - line character recognition, by analyzing the structure feature of the handwritten numeral, this thesis has proposed the online recognition te chnology of the free handwritten numeral based on the stroke feature and the online recognition technology of the free handwritten numeral based on the multistage classifying device. detail narrated noise removing, stroke characteristic definition and discernment, distance criterion of whole word match ; then under the foundation of handwritten numeral segmentation, off - line handwritten numeral recognition is researched. especially minimum distance classifying device, tree classifying device and adaptive resonance ( art ) network classifying device is discussed at the same time, believes degree analyses are introduced to integrate a lot of classifying devices ; at the end, the typical application of the handwritten numeral recognition was briefly narrated, its application in extensive data statistics, financial affairs, tax, finance and mail sorting have been explored

    二值化時對整體閾值二值化、局部閾值二值化、動態閾值二值化和利用空間信息進行閾值選取幾種常用的閾值選取方法進行討論，特別對利用空間信息進行閾值選取進行了詳細論述；在對通過對基於數學形態學的細化的基礎上，討論序貫同倫形態細化演算法和保形的快速形態細化演算法；然後依據聯機字元識別原理框圖，分析了手寫數字的結構特點，提出了基於筆劃特徵的任意手寫數字在線識別技術和基於多級分類器任意手寫數字在線識別技術，對其中涉及的筆劃識別前的噪聲處理、筆劃間特徵量的定義及識別、整字匹配的距離準則進行了詳細敘述；繼而在對手寫數字的分割的基礎下對脫機手寫數字識別進行了研究，對基於最小距離分類器字元識別、基於樹分類器的字元識別、基於自適應共振（ art ）網路的字元識別分別進行了詳細討論，並引入置信度分析將多個分類器進行了混合集成；最後簡單闡述了手寫數字識別的典型應用，對其在大規模數據統計、財務、稅務、金融及郵件分揀中的應用進行了探索。
  16. As a representative of this trend, the thesis selected the road intersection in the center of the city to solve the problem. firstly, spacial noumenon and nature has been definitized. secondly, from the " city " level, " road " level and " building " level, the thesis brings forward three principles for space such as " identifiable characteristic ", " directionality ", " integrated characteristic ", while summarizing the corresponding methods to realize

    本文選取了這一趨勢中具有代表性的城市中心區道路交叉口空間為著手點，明確了其空間概念及空間特性，分別從「城市」層面、 「道路」層面、 「建築」層面三個不同的層次入手，提出了「可識別性」 、 「方向性」 、 「整體性」的設計原則，總結了各原則實現的手法。
  17. At the same time the study analyse the structural system of the index and it ' s weight with the ahp, and choose soil quality, soil thickness, the content of organic matter, terrain, elevation and the ration of irrigated guarantee as gradation index and choose soil quality, soil thickness, the content of organic matter, terrain, elevation, the ration of irrigated guarantee, the condition of traffic, the distance from the central city, the scatter degree of field, the neat degree of field, loss of water and erosion of soil and land contamination as classification index. at the same time the study emphasize the effect of the condition of ecological condition and environmental contamination

    採用層次分析法對該區域農用地分等定級的指標體系及其權重進行了研究，選擇表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率等6項指標參與分等評價，選取表層質地、土層厚度、有機質含量、地形、海拔、灌溉保證率、對外交通狀況、距市中心距離、田間道路狀況、田塊分散度、地面平整度、水土流失、土地污染等13個因子分指標區進行定級評價，強調了生態條件及其環境污染狀況在農用地分等定級中的作用。
  18. Using method of oil - flow visualization techniques and measuring pressure distribution along airfoil chordwise and spanwise studies have been down for sidewall boundary - layer displacement effect in two - dimensional wind tunnel. three different chord models were tested in two different wind tunnel. in order to clarify the sidewall effects and study method of sidewall suction theory and sidewall interference correction method to remove effects of sidewall on model. the results of oil - flow test show that selection rational suction wary can obtain better testing results. by investigations on effects of the sidewall boundary layer suction and application of a sidewall interference correction method

    為了很好地解決多機場航班隊列的擁塞問題，在將進場容量、離場容量與機場容量作為統一整體的情況下，充分考慮了機場間的網路效應，詳細研究了多機場航班隊列的優化問題，建立了多機場開放式非實時流量管理的數學模型，通過選取適當的決策變量，使其為線性0 - 1整數規劃模型，實現了中心流量集中管理.與其它演算法不同，本文提出的啟發式隱枚舉演算法能很好地解決此類問題，對某機場網路系統的模擬結果證明了所建模型、優化演算法及相應軟體的有效性和可靠性
  19. In this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
  20. Abstract : in this paper, river water quality prediction is integrated with water pollution control measures. two parameters, water environmental capacity and pollution index are selected for pollution control measures. the objective is achieved after the development of simulation model using one - dimensional advection dispersion equation. the model algorithm and computer program is an improvement over the existing water quality models, since the model solution involves four point implicit upwind schemes for water quality prediction and pollution control measures at each grid point. model simulation results the assessment of water environmental capacity that yield the acceptable and realistic pollutants concentration in order to maintain water quality objectives. the pollution and overall pollution index of the river is suggested for integrating number of contaminants variables into one index. study provides the mathematical and scientific procedure for water quality management. the new approach is helpful for the water pollution control and to study the impacts of waste effluents on the river system for strategic planning purposes

    文摘:本文將水質預測及水污染控制措施有機地結合，選取水環境容量和污染指數作為水污染控制的參數.這樣，一維對流-擴散水質方程的求解除就是實現本研究目的的關鍵.本研究採用的模型在現有的水質模型基礎上有所改進，因為其採用四點隱格式對水質進行預測，推求可接納污染物的環境容量值及為保證水質而限定的污染物濃度值，從而制定相應的水污染控制措施.為整體考慮各種污染物的情況，建議採用河流的污染指數進而推求綜合污染指數.總之，本研究為水質保護提供了科學的計算方法，該法對水污染控制及污水對河道水質的影響是實用有效的
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