歷時曲線 的英文怎麼說

中文拼音 [lìshíqūxiàn]
歷時曲線 英文
durationcurve
  • 歷 : Ⅰ名詞1 （經歷） experience 2 [天文學] （歷法） calendar 3 （歷書; 年鑒; 歷本） almanac Ⅱ動詞（經...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 曲 : 曲名詞1 （一種韻文形式） qu a type of verse for singing which emerged in the southern song and ji...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 歷時 : last; take
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. And it can be divided into four phases of urban tourism of china, in which there are different characteristics. ( 2 ) the evolutive rules of urban tourism of china are as follows : 1 ) the exoteric extent of tourism notion is more and more swell ; 2 ) the form of urban tourism renovate with the development of cities ; 3 ) the layout of urban tourism inner and outer is from close and complanate to exoteric and tridimensional ; 4 ) the sustaining system of urban tourism is from absent to as clear as a bell, and will reach a rational and advanced extent. 5 ) the social delamination of urban tourism is form stern to syncretic ; 6 ) the evolvement tendency of urban tourism should be generalized as a curve of accumbent " s ", which present a course makes up of low - grade development, high - speed development and balanced development

    主要觀點歸納如下： （ 1 ）城市旅遊是基於城市的發展而發展的，中國城市旅遊可分為古代、近代、現代和后現代四個階段，分別對應於前工業文明時期的城市旅遊、工業文明萌芽時期的城市旅遊、全面建設工業文明和后工業文明因素初露端倪時期的城市旅遊，以及邁向信息時代的城市旅遊，其間體現出不同的城市旅遊發展特徵； （ 2 ）經歷不同發展的時期，中國城市旅遊表現出如下的演進規律： 1 ）城市旅遊觀念開放程度逐漸增強，對城市旅遊的容納度日趨加大，對城市旅遊地位的認識從忽視到關注再成為生活的必要因素； 2 ）旅遊形式從單一走向多元，新的旅遊形式隨城市發展層出不窮； 3 ）城市旅遊的內外部空間聯系從封閉平面走向開放立體，達到網路化、連綿化、分區化、立體化布局； 4 ）城市旅遊支持系統從缺失走向健全，達到理性高端； 5 ）城市旅遊社會分層從森嚴走向融合，經歷了「小眾旅遊」 、 「大眾旅遊」 ，最終發展到「全民旅遊」 ； 6 ）城市旅遊產業演變態勢可以概括為一條橫臥的「 s 」曲線，表現為低開?高走?平穩發展。
  2. Historically, the supply curve of hours has followed this configuration.

    在歷史上，工時的供給曲線是符合這種形狀的。
  3. According to differences of construction process, boundary condition, temperature and stress of two schemes extending 3m deep short seam on upstream face in the middle of rcc overflow section and no short seam are calculated, what " s more, in this paper the equivalent line drawing of stable temperature field and unstable temperature field during construction and operation period and the duration curve drawing of typical points " s temperature and stress are plotted, and the results of peak and minimum on temperature in every month and maximum on tensile stress are attained

    根據施工過程和邊界條件，對溢流壩段中間上游面增設3m深短縫和不設短縫兩個方案進行了溫度和應力計算，並繪制出穩定溫度場等值線圖及施工期、運行期非穩定溫度場等值線圖，典型點溫度和應力歷時曲線圖，逐月最高、最低溫度和最大拉應力及相應位置等成果。
  4. Because of the complexity of calculation result data, and in order to simplify the analysis of results, this paper only provides annual temperature isoline map of february, may, august and november during construction, temperature isoline map of the first, fifth, tenth, twentieth and thirtieth year during operation, duration curve of temperature and stress of typical point at different elevation, the maximal stress distribution along dam height, point at different elevation, the maximal stress distribution along dam height, and the maximal and minimal temperature and the maximal tensive stress and its position of every month

    因計算結果數據量非常大，為便於成果分析，本文僅給出施工期每年2 、 5 、 8 、 11月份和運行期第1 、 5 、 10 、 20 、 30年的溫度等值線圖，壩體不同高程典型點溫度和應力歷時曲線圖，最大應力沿壩高分布圖，逐月最高、最低溫度和最大拉應力值及相應的位置等。
  5. On the basis of analysis for recharge, flow - off and drainage of research area, the paper concludes that the main possible cause for the fall of water head is groundwater exploitation by comparing the curve of rainfall - time and the curve of observation heads of some observation well

    在充分分析研究區補給、徑流和排泄規律的基礎上，文章通過比較降雨歷時曲線、部分觀測孔觀測水頭曲線得出開采量可能是影響水頭下降的主要因素。
  6. 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。
  7. In the paper, i construct a software platform for the turbine and feedwater pump. the platform is an object - oriented system that can be extended by the other models. i have programmed the classes of the performance of the turbine and feedwater pump. besides, the software platform has the functions of giving alarms, the storage of data, the analysis of accident, configuration of chart, administrator operation, report, the query of history data. the paper has explained the methods of constructing the platform at the same time i set forth in details the connections of mis with dcs and distributing the performance data

    本文針對電廠開發了汽輪機與給水泵組性能分析與評價平臺，本系統平臺用面向對象方法編制，並與多位同學合作編寫了汽輪機與給水泵組與性能有關的多個模塊同時可以另外插入模塊擴充功能，此系統平臺還具有數據存儲、歷史數據查詢、報警處理、事故分析、曲線組態、管理員操作、數據報表等多種功能，此外，本文詳細闡述了平臺的構建過程並且詳細論述了dcs與系統的連接方法， activeform電廠設備性能數據網路發布的方法以及現今電廠流行的pi實時數據庫的深入開發與利用，並分別編寫了相應的程序。
  8. The research of this paper includes : ? high - speed photography and flash x - ray radiography are both used to capture the process of al shell ' s great deformation under low pressure. front illuminations are used to get the development of the fracture on the al shell. the relative energy release is analyzed from overpressure curves measured with some sensors

    本文的研究內容主要包括： ?在受試炸藥經歷低應力大變形過程的susan試驗中，同時採用高速攝影、閃光x射線照相對彈體的撞靶過程進行了拍攝，得到了殼體膨脹變形過程圖像，並使用前照明技術觀察到了鋁殼表面產生的裂紋及其發展變化過程；從壓力傳感器測量的空氣沖擊波超壓曲線，獲得反應釋放總能。
  9. When the theory of temperature in solids 、 the equivalent tension - relaxation curve of final temperature, and the equivalent shear - relaxation curve is known, then the non - stationary stress is calculated

    在非定常熱應力計算時只要確定物體內部各點的溫度歷史，及其終態溫度等效拉伸鬆弛曲線、等效剪切鬆弛曲線，便可計算出物體內各點的瞬態熱應力。
  10. Based on the analysis of the tangshan xinqu and qian an and gangyao thermoelectric power units, a model of real - time ordering power by heat on combined heat and power based on working chart is erected, a method of related generating electric power appraisement is set up, and the software of ordering power by heat on combined heat and power system is developed. based on delphi language and sql server database, the structure and functions of ordering power by heat on combined heat and power system are discussed, and a method of data processing is also put forward. the function of data storage and past data query and account report forms is achieved

    為解決此問題，本文以唐山新區熱電廠、遷安熱電廠、缸窯熱電廠的供熱機組為例，根據其機組工況圖建立機組「以熱定電「運行的數學模型，並編制了相應的軟體文中介紹了基於delphi語言與sqlserver數據庫的軟體結構功能與特點，軟體可實時給出各參數和熱電聯產以熱定電考核曲線，能夠實現數據存儲、歷史數據查詢、統計報表等多種功能，這對于電力管理部門合理地為熱電廠下達發電指標，加強和完善對熱電聯產企業的管理，提供了理論依據和技術支持。
  11. 4. as for the three kinds of waterproof underlying surface, when rainfall intensity is strong, the rise process curve will steep in the process of discharge, and also speed of discharge to reach steady will quicker. but it produces little effects on duration of fall

    4 .對于透水性差的下墊面，雨強越大，流量過程的漲水曲線越陡，且達到穩定流量的速度也更快，但對流量過程的退水歷時影響不大。
  12. Based on the theory of stochastic finite element, the structural parameters of frame - shear structure including stiffness and mass and damping are simulated to be stochastic variables. by solving recurrence equation of stochastic finite element, the duration curve of mean value and standard deviation of seismic response can be obtained for every floor of frame - shear structure. an analysis is thus given to the effects of independent variation and simultaneous variation of structural parameters on the seismic dynamic response of frame - shear structure. as shown by the results, with regard to frame - shear structure, the effect of variation of strucural parameters on the change of mean value are chiefly the increase of standard deviation of response. variation of stiffness will cause the response of frame - shear structure to variate greatly ; variation of mass shows less effect ; and variation of damping shows insignificant effect. the effects of simultaneous variation of various structral parametres on seismic response are only slightly greater than the effect of stiffness variation alone

    以隨機有限元理論為基礎，將框剪結構的剛度、質量、阻尼等結構參數為隨機變量.通過求解隨機有限元的遞推方程，得到框剪結構各層的地震動力響應均值和標準差歷時曲線.分析結構參數單獨變異，以及同時變異對框剪結構地震響應的影響.研究結果表明，對框剪結構而言，結構參數的變異對響應的均值變化影響都不大，主要是增大響應的標準差.剛度的變異性將引起框剪結構的響應發生大幅度變異，質量的變異性影響稍小，阻尼的變異性影響不顯著.結構各參數的同時變異，對框剪結構地震響應的影響，僅比剛度單獨變異的影響稍大
  13. The paper ， via building performance model of boiler - turbine unit ， to online determinate curve of consumption in power plant which provides reliable thereunder for realizing load optimal distribution ， in view of optimal distribution arithmetic ， the improved equal incremental principle and linear programming are adopted ， meanwhile ， the database with online data disposal and data management is realized

    通過建立各單元機組的性能模型，在線確定機組的耗量特性曲線，為實現負荷最優分配提供了可靠的依據；在負荷分配演算法上採用了等微增率原理和動態規劃方法，並對現有演算法進行了改進；同時開發了具有在線數據處理能力和歷史數據管理能力的數據庫。
  14. The results of different particle size aggregates showed that, the curve of splash erosion of aggregates of < 0. 25mm was slowly ascending during the rainfall process, whereas, according to > 0. 25mm, the curve was ascending during prophase of rainfall, then descending

    不同粒度團聚體的濺蝕實驗表明， 0 . 25mm的微團聚體，其濺蝕率歷時曲線呈緩慢降低的態勢；而0 . 25mm大團聚體，則是先升高再降低。
  15. Using dynamic load that applied by the simulation above, the dynamic analysis and lighten - weight optimization of spider were done. getting stress history supplied testing data for its service life analysis

    利用剛柔耦合模擬得到的動載荷對十字軸進行了動力學分析和優化減重，並提取了十字軸的應力時間歷程曲線，為十字軸的疲勞壽命分析提供了有效的試驗數據。
  16. In this paper, the structure and working principle of the system is studied, the principle of straight measured parameters, the mathematics model of the derived parameters and the discrimination of drilling states, as well as the principle of the hardware system designing are analyzed. also, the principle of long - distance data transmission is discussed ; meanwhile this system adopts gprs technology to transmit the datum of the drilling place. the software architecture, data flow, and the function model of the drilling states monitoring system are presented

    論文首先對系統的結構和工作原理進行了研究，分析了直測參數測量原理、派生參數和工況識別的數學模型及硬體系統設計原理，並對遠程數據通信原理進行了研究，系統首次採用gprs技術進行鉆井現場數據的遠程傳送；其次討論了現場監測系統的軟體體系結構、數據流程及功能模塊的設計；然後研究了異地監視系統的軟體體系結構，分析了幾種數據通信方法，並對解決系統實時性和生成歷史曲線的關鍵技術進行了深入的研究，最後對異地監視系統的功能模型進行了介紹。
  17. The slag detection system and the pc with such a software system are combined to make a more powerful one, which can implement the real - time data processing functions in continuous casting product, including the display of the real - time slag signal, the storage of the data obtained in the process of the product, the inquiry of the bypast signal data and their printout. the new system has been tested on the continuous caster with loot ladles and the prospective results obtained

    同時，設計實現了檢測儀器和微機之間的介面電路，將下渣檢測儀器和數據記錄軟體組成一個更大的系統，從而實現了連鑄生產線的實時數據處理，包括實時曲線顯示、大容量數據的存儲、歷史數據的查詢、列印等功能，並已在連鑄生產線的現場測試運行，取得了初步的成功。
  18. In software, this paper programmed this local supervision & control system of communication power supply using visual basic6. 0 language too. and deeply researched on how to fulfill the following functions : dynamic graph display of real - time data acquisition, historical data management ( including save, demand, print, and delete historical data, painting historical trend curve ), intelligent management of the storage cells, alarm and its management, system management, network communication and help system

    重點研究了如何利用visualbasic6 . 0來完成該監控系統的以下功能：實時數據的動態圖形顯示，歷史數據管理（包括歷史數據存儲、查詢、列印及刪除、歷史曲線的繪制） ，蓄電池智能管理，報警及其管理，系統管理，網路通信，幫助系統。
  19. The comparability of history beam current curves was analyzed first, then a method to forecast the beam current was put forward based on time sequence comparability study, and used in hefei light source operational data analysis

    在詳細分析束流流強曲線特點和束流流強曲線與歷史曲線的相似性基礎上，提出了1種基於數據挖掘中時間序列相似性研究的束流流強預測方法，並將其運用到合肥光源運行數據分析中。
  20. Scanning electric microscope ( sem ) photographs were used to examine the structure of surface soil experienced a rainstorm, for the purpose of understanding the mechanism of soil crusting. it approved that soil crusting consists of depositional crust and structural crust. the curves of infiltration with time revealed four stages of crust formation

    用電子掃描顯微鏡（ sem ）照片對比了土壤表面結構，分析了土壤的結皮機理，可以認為土壤結皮是由結構結皮和沉積結皮構成，入滲量與時間的歷時曲線反映了結皮的四個形成過程。
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