雜自由基 的英文怎麼說

中文拼音 [yóu]
雜自由基 英文
heteroradical
  • : Ⅰ形容詞(多種多樣的; 混雜的) miscellaneous; varied; sundry; mixed Ⅱ動詞(混合在一起; 攙雜) mix; blend; mingle
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : causereason
  • 自由基 : free radical
  • 自由 : freedomliberty
  1. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了己的見解;全面闡述了地下水資源變值系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變值系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將數學規劃、數理統計、隨機過程等與地下水變值系統理論相結合進行地表水地下水或多水源的聯合優化調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是正確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法規、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  2. In this paper, the main research works are as follows : 1 ) survey and analysis previous work in auv navigation and summarize : as the cumulate error, the dead - reckoning and inertial navigation systems ca n ' t be used without other modified system ; the acoustic navigation system is used only in small range, and is very expensive. 2 ) two important approaches in geophysical navigation techniques are summarized, one is terrain contour based navigation, this approach is investigated keystone today ; the other is image based navigation, due to no perfect image sensors and image seabed map, this approach has seldom been practised. 3 ) two important terrain contour based navigation algorithms has been applied to auv, one is match algorithm - based terrain contour match ( tercom ) ; the other is kalman filter - based sandia inertia terrain - aided navigation ( sitan )

    主要研究內容包括:一、總結分析了當前水下導航的常用方法和不足之處,指出於航位推算的導航方法,存在著最大的問題就是導航誤差的積累問題,如果沒有修正系統,這種方法很難滿足使用要求;其次指出於聲學的導航方法,造價昂貴,導航范圍有限,難以滿足主水下航行器大范圍導航的需求;二、總結了當前水下地形輔助導航的主要技術路線,一是於地形高程的匹配方法,這是當前研究的重點;二是於地形圖像的匹配方法,於缺乏良好的圖像傳感器,和可用的海底圖像地圖,目前這種方法還有待研究發展;三、將兩種地形高程匹配的常用方法應用到主水下航行器上:以相關演算法為前提的地形輪廓匹配( tercom )方法和以卡爾曼濾波為礎的桑迪亞慣性地形輔助導航( sitan )方法,前者演算法簡單可靠,但是導航精度不高,後者雖然精度比較高,但存在著演算法較為復、有可能發散和出現奇異值等問題。
  3. There, he must watch his every move because the black raven king is lurking in places least expected. . performed by guangdong acrobatic troupe of china and produced by shanghai city dance company limited, swan lake

    中國廣東技團創作演出、上海城市舞蹈有限公司製作出品的《天鵝湖》 ,乃改編俄羅斯芭蕾舞同名經典瑰寶,配以柴可夫斯膾炙人口的樂章、瑰麗新奇的舞臺美術和服裝設計,結合多種技,在舞臺上演繹凄美愛情故事。
  4. In recent years, it is due to the modification and improvement of the algorithms and especially the development of computer science and technology both in hardware and software that lead to the advent of such practical analytic tools as blast, fasta, clustalw, which can relatively cater for the need of research in both efficiency and accuracy. the fundamental way to improve computation efficiency and accuracy is to better the alignment algorithms in principle so as to minish the computation complexity

    雖然近年來於演算法身的不斷改進以及計算機科學的發展,其實現程序依靠計算機硬體和軟體開發技術的提高得到了效率和精度上的改善,從而使現在應用廣泛的序列比對或數據庫搜索程序如blast 、 fasta 、 clustalw等才獲得了相對滿意的計算效率,但是從理論礎和思想原理上改善序列比對演算法以期降低計算復度,才是提高計算效率和精度的根本途徑。
  5. Ktr is a dynamic wireless routing protocol based on the tree structure. the complicated topology of wireless network is abstracted to a tree structure in ktr while the dynamic routes are created on the basis of discovery and maintenance of neighbor relationships and mobile users " positions

    協議以無線移動組織網際網路的兩級網路體系結構為礎,將復多變的無線網路拓撲抽象為核心樹結構,將動態路的產生建立在對節點的鄰居關系和對移動用戶的位置關系的發現和維護之上。
  6. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    於上述研究,得出的主要結論有:建築物震害預測是一個模糊的、系統的、復的問題,現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據,有其身的優缺點和一定的適用范圍;應針對不同的建築物條件、場地條件、地震強度和已有經驗等,採用不同的預測方法進行建築物震害預測,以使預測結果達到預期的精確性、可靠性和可操作性;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依據,各類結構的震害情況表現為: 6度地震作用下各類建築物本完好; 7度地震作用下除鋼筋混凝土結構本完好外其餘以建築輕微破壞為主; 8度地震作用下鋼筋混凝土結構仍以本完好為主而其餘建築以中等破壞為主; 9度地震作用下鋼筋混凝土結構以輕微破壞為主,單層工業廠房和空曠房屋以中等破壞為主,其餘建築以嚴重破壞為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固;建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分,重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增,漳州市區直接經濟損失6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇本地震設防烈度( 7度)時,漳州市區直接經濟損失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人數密切相關,地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切相關。
  7. So it is important to study the nuclide transportation in the groundwater, however this study is a difficult problem because the fracture distribution in bedrock is complex in nature

    因此,研究核素在巖裂隙水中的遷移問題,具有重要的意義,但然界中巖裂隙分佈的復性,因此它又是一個難度比較大的問題。
  8. He pointed out just how prophetic the magazines founding statement has turned out to be ? first articulated back in the winter of 1980. " a secular humanist declaration, " ( drafted by kurtz ) attempted to defend the enlightenment and secular humanist values and virtues and pointed out the dangers of the rapid growth and popularity of the christian fundamentalist right and their attempts to seize political power

    他向大家反映,當時的志創刊詞是如何預言未來發展的,那時在1980年的冬天,當時發表了「人道主義者宣言」 (己寫了草稿) ,只是試圖捍衛啟蒙運動的成果,捍衛世俗人道主義者的價值觀和品德,同時指出左翼督教原教旨主義者迅速發展和蔓延的危險,他們企圖掌握政權。
  9. Two sova decoding algorithms in ofdm system based on bpsk modulation with fading channel were presented. one is called bce _ sova, which is based on adaptive blind channel recognization. it can adaptively estimate the channel state information ( csi )

    其中一種是適應盲通道識別演算法的sova譯碼演算法(簡稱bce _ sova ) ,該演算法可以適應地估計通道狀態信息( channelstateinformation , csi ) ,於不用訓練,傳輸時延小,但計算復度高。
  10. Because of the complex of the copyright, most related universal copyright conventions do n ' t make any stipulation to it, and the most important international convention at present " agreement on trade related intellectual copyright " which offers protection to intellectual copyright directly provids evasion to it, showing the complex of the problem, that means each country should settle the problem by itself

    於版權用盡的復性,大多數國際有關版權公約對此不作任何規定,而作為目前保護知識產權最重要的國際條約《與貿易有關的知識產權協議》 ( agreementontraderelatedintellectulpropertyright ,簡稱trips協議)更是直接規定了迴避原則,表明該問題復各國行理解,行解決。
  11. The natural formation in offspring of genetic combinations not present in parents, by the processes of crossing over or independent assortment

    重組父母沒有表現而其子嗣然形成因重組之現象,這是於採用了交或獨立分類的方法而出現的
  12. In the research task supported by the key technologies r & d program in the 9th five - year plan of jiangsu province, the study focuses on the nc milling programming software development method and the corresponding algorithms on the basis of acis. by using the development interfaces provided by acis, the author has made some innovation to tool path generation algorithms. based on acis, a new set operation method of loops is presented in this paper

    藉助acis提供的開發介面實現對一些刀具軌跡生成演算法的創新:提出了一種於acis的環集合運算方法,該演算法充分利用了acis的功能,使演算法實現過程大大簡化,並提高了演算法效率;設計了一種加工區域識別演算法,該演算法可以識別出存在復嵌套關系的多個型腔環和島嶼環組成的零件幾何模型中的待加工區域;提出了一種實體精加工刀具軌跡生成演算法,該演算法可以動計算出待加工零件在一個加工方向上所有的刀具軌跡,從而在某些情況下,大大方便數控編程人員完成nc代碼的生成。
  13. Because information model is set based on driction model, complicated system was divided naturally and the complication of problem was decreased greatly

    同時,於信息模型的建立以功能模型為礎,實現了復系統的然分割,減少了問題空間的復度。
  14. It should detect categories of obstacle. in this paper, recognizing obstacle based on multisensor fusion technology is given. in the support of tianjin ' s natural science foundation " the study of mobile robot system technology faced to complicated task " ( no. 003601211 ) and hebei province ' s tackling key problem plan " the study of agv accurate navigation used in material automation transportation " ( no. 00547001d - 18 ), this thesis developed application study of information fusion based of multisensor in mobile robot ' s navigate autonomously. in this thesis, the main work and innovation include : the structure of hebut - 1 mobile robot is designed. furthermore, the driving system ' s characteristics and the kinematics features of the mobile robot are analyzed

    在天津市然科學金「面向復任務的移動機器人系統技術研究」 (課題編號: 003601211 )和河北省攻關計劃「用於物料動傳輸的主車精確導航的研究」 (課題編號: 00547001d - 18 )兩項金的支持下,開展了於多傳感器信息融合技術在移動機器人主導航中的應用研究,本論文的主要研究內容如下:介紹了本研究室行研製的hebut -型移動機器人的車體結構並對驅動系統和運動學特性進行了分析。
  15. The work including : ( 1 ) svm based auto detection and segmentation of left ventricle mri image the aim of the segmentation of the left ventricle mri image is to find out the inner and the outer contour of the left ventricle, while for that the structure of the heart is very complex, meantime the tag lines may also decay, the contrast of the object and the background will also descend, which still make the segmentation more difficult

    同時,對核空間方法在圖像處理領域的幾種應用進行了論述。本文工作包括: ( 1 )設計於svm的mri左心室圖像的動檢測及分割過程心臟mri圖像分割的目的是為了找出mri圖像中左心室的內外輪廓,但是於心臟的解剖結構非常復,再加上標記線會隨時間衰減,目標和背景的對比度會下降,這使得圖像的動分割更加困難。
  16. 3 ) design switch system using eda based on the result of a11alysis. because the function of switch system is very complicated, some modules are designed by schematics directly, most modules are designed by verilog hdl using eda technology, synthesized by the synopsys software. at last a high speed atm switch system is designed, including voq as input buffer strategy dpa cell scheduling algorithm and crossbar switch fabric

    在前面分析的礎上根據目前的條件,對一個空分交換系統各模塊進行前端設計和模擬,於交換系統的功能復,我們一部分將採用直接畫原理圖的方法進行設計,大部分將採用集成電路設計動化的方法進行設計,即採用硬體設計語言verilog ? hdl進行設計,用synopsys軟體對設計進行綜合,生成線路圖,然後作門級電路模擬。
  17. 5. a computationally attractive algorithm based on the propagator method is proposed for simultaneous estimation of the direction - of - arrivals and frequencies of multiple narrowband signals received at spatially separated sensors. the frequencies are found by the eigenvalues of a constructed lower dimension matrice. the arrival angles are then estimated using the associated eigenvectors as well the estimated frequencies

    在第六章於傳播運算元方法給出了頻率、角度聯合估計的一種快速演算法,於其避免了高維矩陣的特徵分解,因而具有更低的計算復度,且演算法適用於一般的陣列結構,二維參數動配對,易於實時實現。
  18. First, the current optical system construction ' s optimization algorithms are based on the just optical system ' s preliminary construction which designers have selected. optical system program can not automatically change the optical elements ' nember. so that optical system design ' s intelligentized degree is not high. now this paper applies the genetic algorithms to lens design and shows that the genetic algorithms can effectively work in automatically changing the optical elements ' nember. next, this pape present a new computer design method that applies the genetic - simulated annealing algorithms to directly design the binary optical element

    首先,於現有的光學系統結構設計的優化演算法都是在選定了初始光學結構的礎上,只對光學結構參數進行優化選擇,在優化過程中不能夠動改變光學面數,導致光學系統設計的智能化程度還不是很高,採用遺傳演算法,實現了光學面的動增減;其次,區別于傳統的二元光學設計方法,為避免其量化臺階數過大導致的成本及加工復度的增加,提出了運用混合優化策略遺傳-模擬退火演算法直接設計二元光學元件的新的計算機方法。
  19. Feed back control base on nonlinear pid with self - adjust parameter and feed forward control base on experience model are employed in the practical application. the realization of this control system and its result are introduced in this paper. because the process of the reaction is complicated, it ' s difficult to model for it

    在對中和過程動控制演算法的探索中,採用了非線性參數整定控制和於模型的前饋控制,本文介紹了這種控制系統的實現和現場控制效果,於中和控制過程的模型極其難以確定,反應過程變化復,因此於模型的前饋控制無法對ph值和流量值的波動進行有效的補償。
  20. The combination of cellular automata with available fields, for example, geography information system, for further applications was suggested

    此外,利用細胞動機研究其他復然現象,可經文中介紹的本建構步驟,建立欲探討現象的細胞動機模擬模式。
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