衰變合成 的英文怎麼說

中文拼音 [shuāibiàngěchéng]
衰變合成 英文
beta decay synthesis
  • 衰 : 衰動詞（衰弱） decline; wane
  • 合 : 合量詞（容量單位） ge, a unit of dry measure for grain （=1 decilitre）
  • 成 : Ⅰ動詞1 （完成; 成功） accomplish; succeed 2 （成為; 變為） become; turn into 3 （成全） help comp...
  1. This paper aims to explore systematically some scientific principles of resource - based cities from their formation and development to contabescence or transformation in the context of theories of resource life cycle and sustainable development. it also discusses the scientific issues of connotation, models and transformation mechanism of resource - based cities, makes an integrated assessment on their sustainable and renewable capiabilities of those cities and brings out several measures and policies for the transformation of resource - based cities in china

    本論文的研究目的是從資源生命周期理論、可持續發展理論等出發，系統地分析總結資源型城市從形成、發展到衰亡或轉型的整個過程中的科學規律，探索資源型城市功能變化機制的科學問題，科學界定資源型城市內涵和發展或轉型模式，綜合評定資源型城市可持續發展和再生能力，探索我國資源型城市功能轉型機制和發展模式以及各種途徑與對策。
  2. On the basis of drawing lessons from the existing research results both at home and abroad, this paper observes the change law of the two financial indexes of nroa and croa from 1997 to 2001, studies the relations between the locations of listed companies and the m & a performance, between the structure of equity of listed companies and the m & a performance, between the industry nature of the listed companies and the m & a performance, between the type of m & a and the m & a performance, and then draws several conclusions that m & a performance is unsatisfactory on the whole, m & a performance of listed companies in eastern china is superior to that of the counterpart in middle or western china, m & a performance of listed companies that the country or the other corporations hold the most share of the listed companies is unsatisfactory on the whole, the growing or mature listed companies can achieve best m & a performance when they implement the m & a horizontally while the listed companies in declining phase may perform the conglomerate m & a the best

    在借鑒國內外已有的研究成果的基礎上，本文考察了並購上市公司從1997年到2001年五年時間內凈資產收益率和主營利潤率兩項財務指標的變化規律，研究了並購公司所在的區域與並購績效、並購公司的股權結構與並購績效、並購公司的產業性質與並購績效、並購類型與並購績效等方面的關系，得出了若干結論： 1 、並購績效從總體上來說是不理想的； 2 、東部上市公司的並購績效要優于中部和西部上市公司的並購績效； 3 、國家股或法人股是第一大股東的上市公司的並購績效不理想； 4 、處于成長性產業和成熟性產業的上市公司發生橫向並購績效最好，處于衰退性產業的上市公司發生混合併購績效最好。
  3. In this review three approaches in study of the effects of cytokinins on plant senecence are presented : the analysis of endogenous cytokinins during senescence ; the application of exogenous cytokinins ; and the research on transgenic plants with cytokinin biosynthesis or biodegradation genes

    主要從3個方面綜述了細胞分裂素與植物衰老之間的關系，即： （ 1 ）植物衰老過程中內源細胞分裂素含量變化： （ 2 ）外源細胞分裂素的影響： （ 3 ）轉入與細胞分裂素的合成、降解相關的從因對植物衰老產生的影響。
  4. Generally, karst rock desertification refers to the evolving process that leads to intense human - land conflict, destruction of vegetation, soil erosion, bare rock, failing productive forces of the land and the land surface appearing as desert from visual sense, because of the frail ecological environment formed by karst, and of the irrational social and economic activities of human beings

    喀斯特石漠化指在喀斯特脆弱生態環境下，人類不合理的社會經濟活動，造成人地矛盾突出、植被破壞、水土流失、巖石逐漸裸露、土地生產力衰退喪失，地表在視覺上呈現類似於荒漠景觀的演變過程。
  5. It is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transform of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform

    它所基於的成像原理是：人體的某個剖面在若干個角度上被x射線束照射，照射后x射線的衰減量被檢測器記錄下來，形成投影集合，數學上將這個投影集合描述為該剖面的radon變換，通過反演radon變換就能夠重建剖面的二維圖像。
  6. Computerized tomography ( ct ) is a typical non - invasive examination techniques in medicine, which can depict anatomical structures without damaging the human body. lt is based on the principle : under a number of angles, the x - ray attenuation in a cross section of a human body is measured by detector resulting in a set of profiles. this set of profiles is called the radon transfoim of the object in mathematics. the problem now is to reconstruct a two - dimensional image via inverting its radon transform

    它所基於的成像原理是：人體的某個剖面在若干個角度上被x射線束照射，照射后x射線的衰減量被檢測器記錄下來，形成投影集合，數學上將這個投影集合描述為該剖面的radon變換，通過反演radon變換就能夠重建剖面的二維圖像。
  7. It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates

    結果表明，與硅酸鹽水泥相比，由於礦物摻合料與水泥熟料在活性和水化機理上的差異，水化歷程有較大的改變：多組分體系誘導期、加速期和衰減期延長，水化反應速率明顯降低；低溫時，水化放熱速率曲線上的第二放熱峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰；高溫時，反應速率加快，雙峰合併；進一步研究發現，摻合料的種類與摻量對水化歷程也有較大的影響；建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。
  8. Optical attenuation, widely applied in many fields, can be adopted to acquire single - photon sequence that is foundational in quantum key distribution. we obtain single - photon sequence by precisely controlled optical power distribution along outlets of manifold consist of beam splitter instead of the attenuation by time sequence due to loss

    用線性分束耦合器形成多個輸出口，將光強的時序衰減變為光強沿輸出口的空間分佈，研製出了量子保密通信用的精密控制的強衰減器，實現了對光子數的精密控制。
  9. A quantitative analysis on the surface of the plate composite membranes with various polymerization tune was made on the basis of the feature absorption to ir by means of attenuated total reflection - fourier transform infrared spectroscopy. the results showed that polyamide functional layer grew thick with the polymerization time going on. this indicates that the polyamide functional layer formed on the interface cannot separate the w / o phases to stop the reaction

    利用衰減全反射-傅立葉變換紅外（ ftir - atr ）對不同聚合時間的平板復合膜表面進行了特徵吸收定量分析，研究發現，聚酰胺功能層隨聚合時間不斷增厚，這說明已形成的聚酰胺功能層不能屏障兩相而終止反應，相反由於哌嗪單體的分子量遠低於納濾截留分子量的范圍，很易擴散穿過功能層達到兩相界面，繼續與有機相單體酰氯反應。
  10. Based on the study production of pavement performance interior and overseas, using the observed data of pavement condition, the paper analyzes the pavement performance of city hengshui, induces the disintegration curve and disintegration equation, and then forecasts to the pavement performance with the maintenance measure

    在綜合國內外路面使用性能的研究成果的基礎上，本文結合衡水市長期跟蹤及觀測的高等級公路的路況調查資料對衡水市路面使用性能進行分析，得出衡水市高等級公路路面使用性能的衰變曲線和衰變方程，進而結合採取的養護對策對路面使用性能進行預測。
  11. Consequencely, the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, and the back - analysis and the prediction of the parameters of the dam system have been done according to the operating observed data. the research work involves several aspects as follows : 1 ) a back - analysis model including the prior information and a predictive model of nonlinear time series were established ; 2 ) the analysis and assessment system of the operating state of the concrete dam was developed under the ansys development environment, in which the analysis module of the loading effects, the back - analysis module, the forecasting module of the physical parameters and the assessment module of the operating state were contained ; 3 ) according to the operating observed data, the operating state of the dam was assessed and predicted with the analysis system of the operating state, the results suggested that the dam is in basically normal operation at present

    具體工作有以下幾方面： 1 ）收集整理漫灣水電站大壩運行監測資料，並對其進行了系統分析，從觀測資料本身直觀的分析了大壩的運行狀況； 2 ）總結位移反分析的理論及方法，建立了考慮先驗信息多介質位移反分析模型，基於神經網路非線性映射功能，建立了神經網路時間序列預測模型； 3 ）以ansys軟體為平臺，開發了漫灣水電站砼重力壩運行狀態評價模塊，結合荷載效應分析、參數反演分析、參數預測分析三個模塊組成漫灣水電站砼重力壩運行狀態分析系統；實現了對漫灣水電站運行狀態的動態「反演-預測」分析； 4 ）利用漫灣水電站砼重力壩運行狀態分析系統，在漫灣大壩實測資料分析、大壩砼特性參數反分析、大壩砼彈性模量衰變規律及預測分析的基礎上，系統的分析並預測了大壩運行狀態。
  12. Subsequently, the waves induced forces and their driven effects on currents are studied in detail. in the discussion of the effects of currents on waves, according to the wave radiation theory and the law of wave action conservation, the equivalence of none vorticity condition of the vector of wave number in constant wave field and fermat theory is testified. the dynamic and kinematics effects of background currents on waves are introduced concisely

    在流對浪的作用討論中，依據波動的射線理論和由變分原理導出的波作用量守恆定律，闡明了穩定波場波數矢量的無旋條件與費馬原理的等價性，扼要討論了背景流場影響海浪的運動學效應和動力學效應，首次指出水位（包括天文潮位與風暴潮位）變化對海浪成長與消衰的影響，為流浪潮聯合數值模式的發展提供必要的理論依據。
  13. The cell division element class plant growth regulator is one kind of promotion plant being of ability to promote the vegetable cell fission and the variation, delay the leaf blade senescence, promote lateral bud growth, break the apical dominance, induce injuries of the organization, split up the different organs and promote chloroplast growth and synthesis

    細胞分裂素類植物生長調節劑是一種促進型植物激素，能夠促進植物細胞的分裂和變異，延緩葉片衰老；促進側芽發育，打破頂端優勢；誘導愈傷組織，分化成不同器官；促進葉綠體的發育和合成。
  14. In the process to create and pass to the key account value, it is necessary to grasp the success factors for the kam which includes common interest, communication, commitment, credibility, compromise, collaboration and the change of the relationship. part 4 give a method for the kam of hd copper co., ltd., it requires the company construct the key account belief, make a key account management plan strategically, do the work that the plan requires and control the relationship between the key account and the hd copper co., ltd., check the work and notice the change of the relationship, and develop the new key accounts. the main innovative contribution in the paper includes the follow aspects : establishing a system analysis framework for kam in strategically thinking the relationship between the company and its key accounts, exploring the significance and profile of the key account group of profitability, strategy, and loyalty, putting forward three levels of the key accounts " value, concluding the success factors for kam, thinking the relationship between the company and its key accounts as four stages

    為了實現這個目標，本文的第三部分深入分析了大客戶關系管理的有效策略及需要把握的成功要素，為了制定有效的策略，需要把握大客戶關系變化的特徵，把大客戶關系發展過程中的生、長、衰、死四個階段都管理好:大客戶關系管理的有效策略是創造和提升大客戶價值，需要從價格、質量、速度、技術、創新和品牌等大客戶價值要素入手，把握大客戶價值創造的動態特徵，向大客戶傳遞核心大客戶價值、大客戶期望價值和超越大客戶期望的價值，大客戶價值是大客戶認知利益與大客戶認知價格的差額;在為大客戶創造和傳遞大客戶價值時，需要把握住大客戶關系管理的成功要素，包括企業與大客戶的共同利益基礎、雙向交流和溝通、企業信守承諾、樹立企業的信譽、企業對大客戶必要的妥協和讓步、與大客戶合作、注意公司與大客戶內部和外部環境及關系本身的變化。
  15. After the cold war, especially in the 21st century, multipolarization became clear in an unsteady way. the international reality and structure is undergoing profound, complex transformation : the chinese economy grows rapidly, and china ' s comprehensive national strength improves tremendously, peacefully emerging china plays a more and more important role in the asia - pacific region and the whole world ; after painful transformation of political and economic systems, and long period of recession, the russian economy recovers and develops in a vital way, and it is revitaling its great power status and it plays an important role in the middle east, west asia and central asia and even the whole world ; the integration of the european union makes progress despite setbacks, and the eu as a whole exerts more and more influence in the global economy and politics. the india with a population of more than 1 billion people emerges rapidly and put forward the strategy to be one of the 6 major power centers in the world ; the usa wages a war against terrorism and nuclear weapons proliferation and has got some victories in afghanistan and iraq

    冷戰結束后，特別是進入21世紀后，世界多極化在曲折中發展，國際形勢和國際格局正經歷著深刻、復雜的變化：中國經濟飛速發展，綜合國力大大提高，和平崛起的中國在亞太乃至全世界發揮著越來越重要的作用；俄羅斯經過痛苦的政治、經濟體制改革和長期的經濟衰退後，經濟強勁恢復與發展，其大國地位正在振興之中，在中東、西亞、中亞乃至全世界具有巨大的影響；歐盟一體化在挫折中推進，歐洲作為一個整體在世界經濟與政治中發揮著越來越大的作用；擁有十億人口的印度正在迅速崛起，明確提出成為「世界六大力量中心之一」的戰略目標；美國展開全球反恐和防擴散，並在結束阿富汗戰爭和伊拉克主要戰事後取得階段性勝利。
  16. The resulting plaques, reckon supporters of the cascade theory, trigger the brain damage that manifests itself as memory loss, behavioural and personality changes, and general and irreversible cognitive decline

    級連反應假說的支持者認為所形成的斑塊引起了腦損傷，癥狀為失憶，行為和性格的改變，還有綜合性的、不可逆的認知能力衰退。
  17. Multi - carrier adaptive multilevel modulation technology maybe regards as a kind of transform combination by n single - carrier adaptive multilevel modulation technology approximatively. multi - carrier transmission can improve performance of the attenuation consumedly but single - carrier transmission ca n ' t

    多載波自適應多元調制可以近似看成由n個單載波多元調制的變換組合，但由多載波傳輸對衰落的改善是單載波傳輸所不能比擬的。
  18. The third section of the dissertion, by study on the declining phenomenon of built place, the research concentrates on analysing the causes, estimating the value and feasibility of the renewal

    論文下篇：通過對建成環境衰落現象的研究，分析文化品質在其各個層面上的變因，評估復興的可能性及其對于整個環境聚落的價值所在，找尋符合時代發展相適宜的復興途徑。
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