自由基加成 的英文怎麼說

中文拼音 [yóujiāchéng]
自由基加成 英文
free radical addition
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : causereason
  • : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
  • 自由基 : free radical
  • 自由 : freedomliberty
  1. Different algorithms were compared in the numerical simulation and model experiment of concrete velocity inversion the results showed that, compared with the least - square solutions and the damped least - square solutions, the damped and natural weighted least - square solutions reflected the inner defections of the tested object more reliably and exactly due to the usage of correct priori information, which benefited the suppression of noises and made the iterations of inverse stable and convergent

    結果表明,相對于最小二乘法和阻尼最小二乘法,然權的權阻尼最小二乘演算法,於利用了正確的先驗信息,不但使反演過程收斂,而且具有數值穩定、抗噪能力強的優點,其像結果能真實有效地反映對象內部缺陷,因此更適用於混凝土的超聲波速度反演。
  2. Some conclusions are drawn : 1 ) effect of inertial force from superstructures on the lateral seismic response of single pile can not be ignored ; 2 ) the lateral seismic response of single pile induced by far - field earthquake are mainly affected by acceleration mass of superstructure > site eigenperiod. it increases with the increment of accele ration and mass of superstructure. as the site characteristic frequency approaches the self - oscillation frequency of the pile, sympathetic vibration occurs and the value of lateral seismic response reaches maximum ; 3 ) as the stiffness ratio of pile to soil increase, the relative displacement of pile to soil increases ; 4 ) the lateral seismic response of fixed - head pile is much smaller than that of free - head pile

    將其解析解與具體的的抗震設防烈度和場地特徵周期結合起來,計算分析了層地中單樁的橫向地震響應,得到了以下結論: 1 )上部結構慣性力對樁的橫向地震響應的影響不可忽略; 2 )層地中的單樁的橫向地震響應主要受地震速度、場地特徵周期、上部結構質量的影響,隨地震速度、上部結構質量的增大而增大;場地特徵頻率越接近樁振頻率,樁地震響應越大,等於振頻率時,於發生共振現象,樁響應幅值最大; 3 )樁土剛度比越大,樁土之間的相對位移的幅值越大; 4 )樁頂固接的連接方式,可以有效地降低地震時單樁的橫向地震響應。
  3. Some successful examples about agricultural science institutions in industrialization of agricultural sci - tech products are by listing and analysing. it was concluded that agricultural research institutions should positively go to market under the help and leading of the government and relative sector. according to the demand of modern enterprise system the scientific company shoul d be positively set up by the academy of agriculture sciences and the sci - tech products should be integrated, altered, perfected and reprocess, which could transfer the unbodied assets to embodied merchandise

    通過列舉部分農業科研機構果轉化的功案例,並進行分析,作出總結結論:農業科研機構應在政府和有關部門支持、引導下,主動面向市場,利用身人才、技術等優勢,按現代企業制度要求,積極興辦科技企業,企業對科技果進行集、改造、完善和再工,將無形資產轉變或融入到有形的商品中去,並通過企業運作進行示範、推廣、建地、布網路,逐步擴大規模並形產業,最終以科技果產業化的形式實現農業科技果的轉化。
  4. Such survey, research, contrast and analysis lead to the author ' s positioning of current status of county economy development of the yuanmou county as follows : 1 ) yuanmou is a county typically sustained by agriculture and thus has the characteristics of its kind along with other basic characteristics of mountainous counties ; 2 ) it has lagged far behind the development of the rest of the country, with an economic size accounting to merely 25 % of the average of other counties of china, or 50 % of other counties of yunnan ; 3 ) natural advantages have enabled the tropical crops and green agriculture to stand out as the leading industries, which, together with the discriminative planning and effective efforts of the local government, has resulted in the emergence of the promising " dinosaur economy ; " and 4 ) under - development of industry, now the weakest point of economy of the county, has always been hindering the rapid growth of the local economy and worrying the county leadership, suggesting that industrial restructure and accelerated development of the second and third industries are a tough but inevitable task to tackle

    通過調查、研究、對比、分析,將元謀縣域經濟發展的現狀定位在:元謀縣是邊疆少數民族地區典型的農業縣,具有農業主導縣所具有的典型特徵,同時也具有山區縣經濟類型的本特徵;與全國縣域經濟的平均水平相比差距較大,為25左右;與雲南省的平均水平相比僅為50左右;元謀縣於具有一定的然優勢,其熱區作物、綠色產業已經非常突出地為了該縣的主導產業,之政府能動力發揮得較好,其「龍型經濟」正在逐步形,發展勢頭看好,縣域經濟的規劃、發展思路清晰明了;工業仍然是元謀縣經濟發展最為薄弱的一環, 「無工不富」是時時懸在縣委、縣政府頭上的一個警鐘。產業結構的調整,二、三產業的大力發展是元謀縣無法繞開而又必須面對的非常艱巨的任務。
  5. Meanwhile, most aspects about this perspective are concerned, which include quantification of the soil water background of the plateau area, the regional spatial variation of soil water background and variation along the slope, mosaic structure and seasonal changes etc. the results show that : ( 1 ) for the fundamental circumstance for vegetation development is the original debilitated slope, so the perspective of soil water background specially for the loess plateau refers to the soil water conditions on the original slope. ( 2 ) the value of soil water background appears to be a descending trend from south to north based on the difference of vegetation zones. in the forest zone, soil moisture contents beneath 3m depth from the soil surface are more than 12 % usually ; in the forest - pasture zone, the values of soil moisture content beneath 4m depth underground are more than 6 % and stable, and tend to be ascending while the depth increases ; but the values in the dry pasture zone is lingering between 4 % to 6 % from the surface layer to sub - layers

    發展了「土壤水分背景」的概念,並以之為礎對其各個方面進行了研究,使之形一個相對獨立和完整的體系,主要包括黃土高原土壤水分的背景值、土壤水分背景的區域分異、坡面分異、鑲嵌結構及其季節分異等: ( 1 )於植被生長發展、演替的礎階段是天然草被群落,故認為黃土高原的土壤水分背景在概念上是特指該區天然草被群落下的土壤水分狀況; ( 2 )黃土高原的土壤水分背景值,根據植被地帶的不同表現出南向北逐漸降低的規律:森林地帶3米以下土層水分背景值普遍穩定地高於12 ,森林草原地帶4米以下土層水分背景值穩定大於6 ,且均隨土層的深水分含量逐漸增,而草原帶的土壤水分背景值土表至底土層一直在4 6之間徘徊。
  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、復雜的問題,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,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固;建築物的破壞所造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. The most surprising feature of this table is that the rate of addition of a wide variety of radicals to ethylene varies so little.

    此表最突出的特點是,各種對乙烯的速度變化如此之小。
  8. And then, thesis explicates the reasons of the difference from five aspects including natural resource, area conditions, labor conditions, technical conditions and industry structure. furthermore, the thesis points out that the sustainable utilization of natural resource, the adjustment of labor structure, improvement of labor qualities, the employment of advanced science and technology and reasonable industry structure are critical to the improvement of rural economy ' s integral, power and comprehensive competition. at last, this thesis puts forwards a series of policies and countermeasures, such as accelerating urbanization of villages of villages to develop increasing pole, enchanting agricultural, industrialization to strengthen the industry foundation, improving the help and development policies to the poor to strengthen the district economic cooperation and the coordination effect by decreasing the limits of the poor, and so on, which can encourage each area display its advantage and supply what the other needs and make the rural economy coordinated and commonly flourishing

    根據分析結果將11個市劃分為省內發達區域、中等發達區域和不發達區域三種類型,將138個縣(市)劃分為高到低七個等級;對差異產生的原因從然資源、區位條件、勞動力條件、技術條件、產業結構等五個方面進行了系統探討;並從更深層次上指出,土地等然資源的可持續利用,勞動力構優化、素質提高,先進科學技術的適用,產業結構的合理布局等對農村經濟的整體實力和綜合競爭力的提高起決定性的作用;最後,在河北省農村經濟協調發展的角度,提出了「因地制宜,揚長避短;優勢互補,共同發展」的指導思想和「鼓勵先進,鞭策后勁;區域聯動,全面協調」的本原則,並進一步提出了大小城建設? ?培養增長極,推進農業產業化經營? ?強化產業礎,改善扶貧開發政策? ?降低后勁制約以及強區域經濟聯合? ?增強協調效應等綜合措施。
  9. Wwf hong kong believes that with the scale of work associated with the bridge, and the relative lack of relevant publicly - accessible information about the environment in the works area, it is essential to gather basic information to cover the natural variation over a full annual cycle

    世界金會認為,於大橋工程規模大,上公眾對工程范圍的環境狀況所知有限,因此必須搜集然環境在一年內的變化的礎資料,即考慮準備階段起至調查完後記錄所得結果的整個階段。
  10. Bottom - up processing and feature detecting theory based on strong electrophysiological evidences has played a dominant role in the visual research for long time. people know top - down processing just by common sense. knowledge or experience are recalled from memory by reactivation of their neural representations and affected visual processes. however recently, researches from human and monkey provide experimental evidences for top - down processing. first, mnemonic representation of visual objects and faces, located in the ventral processing stream of visual perception in monkey, provide the best evidences of how neuronal codes are created by neurons that have the special ability to link the representations of temporally associated stimuli ; second, experiments suggest that not only bottom - up signals from the retina but also top - down signals from the prefrontal cortex can trigger the retrieval of associative codes, which may serve as a neural basis both for the conscious recall and for the visual processes affected by top - down processing further studies will improve people s understanding of the causal relation of activation and behavior by use of combined fmri and electrophysiology or lesion studies

    聯想性編碼是通過學習一些具有特殊功能的神經元建立的,這些神經元具有將時間性關聯刺激的表徵聯系起來的能力。其次,不僅來視網膜的底-頂信號,而且來前額葉的頂底信號都能觸發聯想性編碼的提取,既可以作為有意識回憶的神經礎,又是頂-底工影響視覺過程的礎。腦損傷病人研究具有高時間解析度的人類功能性核磁共振像functional magnetic resonance imaging , fmri和猴fmri研究以及猴細胞電生理分析相結合,將進一步強人們對視覺腦機制的全面理解。
  11. In order to save the energy and based on the protocol of ieee 802. 15. 4, we add a timer to maintain the physical and mac layer automatically. our mac protocol can sleep and listen circularly to satisfy the goal of energy saving. in the consideration of the design the software of layers of network and application, we bring forward an idea to fulfill the function of routing and data fusion

    在設計過程中,本文首先於ieee802 . 15 . 4標準,對物理層和mac層需要符合的標準的ieee802 . 15 . 4協議增了定時器的動維護工作,從而形了我們己的物理層、 mac層協議,解決了節點的媒體訪問和定時休眠、監聽控制,達到了節能的目的;本文在網路層和應用層協議設計中,提出了路表維護和數據融合的思想,並進行了設計的實現。
  12. But this method has the shortcoming of information leaking. based on mpls, this paper presents the thought and implem enting technology that encrypt the data by ipsec at the customer edge ( ce ) router and encapsulate the data at provider edge ( pe ) router. the problem of information leaking due to at mpls backbone has been resolved

    本文提出了於多協議標記交換技術,利用ipsec在客戶路器端密,再在mpls邊緣路器端進行數據封裝的方法構建vpn ,解決了vpn採用mpls在公用骨幹網進行第二層傳輸存在的信息不能密、容易因誤發或連接中斷造信息泄漏等問題。
  13. 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;設計了一種工區域識別演算法,該演算法可以識別出存在復雜嵌套關系的多個型腔環和島嶼環組的零件幾何模型中的待工區域;提出了一種實體精工刀具軌跡生演算法,該演算法可以動計算出待工零件在一個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nc代碼的生
  14. If we change our views on the requirement to the educational theories, regard them as the tools by which we can open our horizons, deepen our understanding, impel us to reflect ; if we take care our dream based on the reality, the teacher ' s personal practical theory becomes the possibility to make the question and the hypothesis, and criticize and improve their experience based on others " experiences and theories, then, the growth of the teacher becomes a process of full of reasonable and self - realizing life experience, instead of the process of obliged and forced and passive life experience. this is the indeed the possibility of the approach that the growth of the teacher will happen

    如果轉變對教育理論的要求,將其視為開闊視野、深化認識、促進反思的工具而不是必須照辦的僵化的教條;在關照現實的礎上胸懷理想,以教師個人實踐理論為根,把它作為可以依靠、但是存有疑問的可能性和假設,並參照專業理論和他人經驗所提供的多種可能性逐步以批判、改進,教師的長才為一個更理性的、為的生命歷程,而不是任外部力量裹挾的、完全被動的過程,這才是既有立足點又有發展張力的實現教師可能發展的途徑。
  15. In the way based the scientific and tecdrical talks on i presided at and panicipated in, the graduation theis included a p1entful thets in recent years wtll be divided into three parts for depiction conxteniently and clearly, according to the content as fo1lowsf ( l ) the study of shock compression properties with the drixtiir - liquid co and n, experimentally ( 2 ) the study of the phenomenon of excess heat produced by deuteriurn atoms entering into the lattice of titaluxn experimentally ( 3 ) the calcujation for the electronic structure and energy of hydrogen atoms cluster ffi. the mainstream in the first part of the paper is to exposure some experimental tecndques in high pressure and high temperatur shock compression physics, including by using a cryo - target cooled down circulating steaxned n, to condense the well - proportioned mixed liquid sample from pure gas co and n = with equal molar voiurne

    根據近幾年所承擔和參的科研任務,將研究果總結寫的論文按以下三個部分敘述: ( 1 )液體co和n _ 2混合物沖擊壓縮特性的實驗研究(國防科技重點實驗室金項目96js75 . 2 . 1 . jw1902資助) ( 2 )重氫原子進入鈦晶格中引起過熱現象的實驗研究(國家然科學金10145002資助) ( 3 )氫原子團簇h _ 9的電子結構與能量計算第一部分以高溫高壓沖擊波物理實驗為主,採用行研製的低溫循環汽冷靶冷凝制樣技術高純co和n _ 2氣體獲取等摩爾體積均勻混合的液體沖擊初態樣品。
  16. The first part of the thesis set forth the essential theory of agriculture protection based on the essential status and weakness of the agriculture. point out that it ' s necessary to use the finance to sustain the agriculture for many reason such as the shortage of agricultural resource, the redundancy of the supply to the industy, the challenge and the rule after the wto entry and the task of well - off construction. the second part of the thesis analyze the actuality of the agriculture sustain and protection from the three aspect - the scale, the construction and the effect of expend for the agriculture sustain and protection, search the policy reason such as the increasing gap between the urban and the country and the slow speed of peasant ' s income, investigate the series of problem such as the small investment scale, irrationality for the construction, the disorder for the fund management and the imbalance assignment for the budget

    本文採用理論研究與實證分析相結合的方法,以農業的礎地位和弱質性為起點,闡述了財政支持保護農業的本理論,提出於我國農業資源相對匱乏,過去曾為工業提供積累過多,以及入世以後所面臨的諸多規則、挑戰和當前我國推進全面小康建設的艱巨任務,使得財政支持保護農業為必然;接著就財政對農業支出的規模、結構和效果,分析我國財政支持保護農業的現狀,探尋目前我國城鄉差距大、農民增收緩慢的政策原因,深入研究了財政支農方式上的投資規模小、結構不合理、資金管理混亂、資金預算安排不平衡等問題;著重從財政投入政策、農產品價格和收入政策以及進出口政策三個方面對國外財政支農政策進行了分析和借鑒,突出完善我國財政支持保護農業發展的對策,並結合我國農業發展的實際水平,借鑒國外經驗,闡明己的見解。
  17. A ceremony was held at the general post office to commemorate this special event. four grand prize winners of the children stamps design competition 2003 were invited to affix their winning designs on the backdrop while mr. allan chiang, postmaster general, and mr. ku kui - kei, leo, completed the stamp images by adding other stamp elements onto the designs to signify the issue of this set of stamps

    發行儀式早上在郵政總局舉行,四位新晉的小小郵票設計師先行把己的得獎設計放到背幕的空白位置上,然後再香港郵政署長蔣任宏與主禮嘉賓古巨先生把郵票的齒孔邊、票值等構郵票的重要元素到四份設計之上,象徵郵票的正式發行。
  18. A new robust adaptive scheme which are used for tracking of this robot with parametric and bounded external uncertainties is proposed in this thesis. the controller is consist of a controller which is proposed by slotine1 ' 1 and nonlinear continued feedback compensation part. by estimating the unknown physical parameters of robot on - line, it can eliminate the effects result by parameters and external disturbances and guarantee gas and uniform boundedness of parametric estimation. the only information required in setting up the strategy is the output states of jionts, while the inversion of the inertia matrix or estimation the bound of the inertia matrix and measure the jionts accelerations are not needed. it is shown by simulations that the proposed control scheme has quicker convergence velocity and better control precision than paper [ 1 ] and control schemes at present

    針對該模型具有參數及有界外部擾動不確定性時提出了一種新的魯棒適應控制策略,控制器於slotine的控制器和非線性連續反饋補償控制器構。通過在線估計機器人的未知物理參數,有效的消除了參數及外部擾動所引起的不確定性影響,保證系統達到漸近穩定和參數估計一致有界。與現存的許多控制方法相比,該控制策略不需求解慣性矩陣的逆或估計慣性矩陣的界,不需測量關節速度,而唯一需要了解的只是系統輸出的位置及速度狀態。
  19. The problem of orientation of addition goes right back to the beginning of freeradical chemistry.

    關于的定向問題,可以一直追溯到化學的起源。
  20. The goal of this subject is to sum up and exploit our technique how to produce low phase noise wideband vcos, through investigating and studying the basic theory and recent research fruits, combining national condition, and produce our low phase noise wideband vcos. using high q components, such as : coaxial resonator, dielectric resonator, makes bandwidth of vco become narrower, so that recently common wideband vcos generally make inductor and capacitor ( lc ) as resonators, combining varactors with wide range tunable capacitance, and achieve the wideband

    本課題旨在通過對低相噪寬帶vco的本原理、國內外在這方面的進展,結合國內的實際情況進行研究,總結和開發出己的方法,形己的理論。並把它運用於實踐,以製造出低相噪的寬帶vco 。入高q元件,如:同軸諧振器、介質諧振器等,會導致振蕩器帶寬比較窄,目前的寬帶vco一般採用電感電容( lc )作為諧振元件,輔之以大變容範圍的變容二極體,達到寬帶的目的。
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