比例微分作用 的英文怎麼說

中文拼音 [wéifēnzuòyòng]
比例微分作用 英文
pd action
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • 比例 : 1. (長度上縮小和放大的倍數) scale; scaling 2. (比率) proportion; ratio; proportionality
  1. This paper uses for reference with an example of frame - shear wall structure and studies the conceptual design and method for optimizationof structural system. through establishing frame - shear wall structure unisonous differential eguation and finding a result, the side shifting curve, moment and shear force distribution curve are obtained under inverted triangle load action on the frame - shear wall structure. after analyzing and comparing, the range of best rigid characteristics for such structure has be gotten

    本文結合框架-剪力墻實,研討了結構體系的概念設計和整體優化方法。通過建立框-剪結構協同工方程及求解,得出框-剪結構在倒三角形荷載下的側移曲線、彎矩、剪力佈曲線,經析對,得出框-剪結構最佳剛度特徵值區間。
  2. The paper fristly compared the fertile soil with the incinerated sterile soil on the number of micro - algae, soil ph value, soil organic matter soil available phosphorus and soil nitrogen. and then, the author put fertile soil, which included micro - algae, proportionally into sterile samples and cultivated them respectively under illumination condition ( micro - algae can live and reproduce ) and dark condition ( micro - algae will die in some time ). the above indices were measured in 0, 30, 60 and 90days respectively, the analyse of the interrelation between the change of micro - algae ' s number and the changes of soil ph value, soil organic matter, soil available phosphorus and soil nitrogen indicated : ( l ) soil micro - algae which were native to fertile soil conld adapt to the changed circumstance and light acted as a decisive role to the distribution of soil micro - algae. under dark condition, the micro - algae ' s number declined gradually and went to zero in the end, while under illumination condition, on the 90th day, the micro - algae ' s number of per gramme was 6 - 7 times more than that of the beginning

    本文首先對肥沃土壤與經高溫焚燒后的貧瘠土壤中的藻數量、土壤ph值、有機質含量、有效磷含量和全氮量進行較研究,然後將包含藻的綠化苗圃地肥土按不同接種進入貧瘠土樣中,別在光照條件和黑暗條件下進行培養,在0天、 30天、 60天和90天別檢測以上指標,較有光條件和無光條件下,即有藻條件和無藻條件下貧瘠土樣所發生的變化,並別對藻數量的變化與土壤ph值、有機質含量、有效磷含量和全氮量的變化之間做相關性析,以評估肥沃土壤中的藻接種進入貧瘠土壤后的生長情況以及對貧瘠土壤的改良。研究結果表明: ( 1 )土壤藻對環境有較強的適應能力,且光照對其佈起了決定性的
  3. Applying the basic theories of spatial data mining and geomorphology, taking the loess plateau of north shaanxi province, china as the research area, this dissertation explored the theories and systematic structures of geomorphologic data mining and acknowledge discovery from dems, ascertained the systematic structures of topographic factors and synthetic topographic acknowledge, as well as systemically summarized mining algorithms from dems. the author pa id more attention also to analyze the principle and algorithm of flow length, curvature, relief, the earth ' s surface incision and gully density. in this research, the elementary constitutes and mining algorithms of regional character acknowledge in the loess plateau were probed

    本研究在廣泛總結前人研究成果與研究經驗的基礎上,利空間數據挖掘和地形地貌學的基本理論,以陜北黃土高原多地貌類型區為實驗樣區,以1 10000尺dem為樣本數據,探討了dem中地形地貌數據挖掘與知識發現的理論方法和體系結構;確定了宏觀和觀地形因子、地形綜合特徵知識的體系結構;系統總結了dem基本地形因子的提取演算法,並重點對坡長、曲率、地形的起伏度、切割深度和溝壑密度因子提取的原理與演算法了深入的析;提出了黃土高原地區區域特徵知識的基本構成及其系統完整、科學可行的挖掘提取演算法;擴充了arcviewgis軟體平臺中dem空間析的基本功能;實現了以delphi7 . 0為平臺的地形信息輔助挖掘系統的設計與開發;完成了對黃土高原多地貌類型區(樣區)地形信息空間異特徵的析。
  4. The characteristics of this method are : a, directly counting cell number without the influence of the metabolic state of the cells ; b, discrimination of target cells from effector cells in cell - mediated cytotoxicity assay ; c, less treatment step, and free - radioactivity ; d, high sensitivity and reliability. 2, using the above assay, immunofluorescent labeled technique, and flow cytometry, the pbmc proliferation, apoptosis, necrosis, cell cycle, activation, cytokines and membrane marker were detected. the results showed that the number of pbmc reduced, but the activity of pbmc increased dose - dependently ; the reduction of cell number resulted from necrosis and apoptosis ; the supernatant of k562 cell lines were not able to block the cell cycle, but to promote it ; the ratio of t cell subset and the expression of thl and th2 cytokines increased

    結合以上創建的方法和免疫熒光流式細胞術,k562細胞株可溶性泌物(上清)對外周血單個核細胞( pbmc )進行培養以模擬體內環境,然後別從細胞增殖、凋亡、壞死、細胞周期、活性、細胞因子和表面抗原表達等方面進行研究,結果發現腫瘤上清培養的pbmc細胞數量下降明顯,但同時對其有激活,且呈劑量依賴性;細胞數的下降主要是由細胞壞死和凋亡引起的,腫瘤上清對細胞周期沒有阻斷,反而略有促進; t細胞亞群增加,並促進表達th1 、 th2細胞因子。
  5. 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

    基於上述研究,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、理論析和試驗研究為依據,有其自身的優缺點和一定的適范圍;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、可靠性和可操性;建立了漳州市區7類建築物在6度9度地震下的震害矩陣,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度地震下各類建築物基本完好; 7度地震下除鋼筋混凝土結構基本完好外其餘以建築輕破壞為主; 8度地震下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主; 9度地震下鋼筋混凝土結構以輕破壞為主,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;由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,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由6度至9度的關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 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。
  6. With the trend of openness and integration of globlal economy, exchange rate is playing more and more important role in influencing the allocation of global resources. the sensitivity of the price of tradale goods to exchange rate fluctuation becomes the focus of international economics because it is a critical vector and transmitter when an economy is confronted of exogenous impact. traditional international economics theory assume that nominal exchange rate fluctuation has complete pass - through effect, namely it ’ s change will introduce proportional change of tradable goods, then it will influence such macroeconomic vector as term of trade, import and export, inflation, employment, productivity, income allocation, and so on. from a microeconomic angle, including pricing to market, innovative behavior, menu cost and sunk cost, the paper probe into the pricing model of international enterprices under floating exchange rate and testify the incomplete pass - through of exchange rate and it ’ s detailed reason, then discuss the inspiration it has on china. it ’ s believable this kind of research will play a big part in china ’ s exchange rate scheme and some macroeconomic problems such as exchange rate tranmitting channel and effects, exchange rate fluctuating behavior

    傳統的國際經濟學理論認為,名義匯率的波動具有完全的傳遞性( completepass - through ) ,即它的變化會引起同的進出口貿易品相對價格以及貿易品和非貿易品相對價格的變化,然後通過需求變動的支出轉移效應( expenditureswitching )來影響國內經濟的諸多宏觀變量,如貿易條件、進出口貿易額、通脹水平、就業量、勞動生產率以及收入配等,本文從依市定價( pricingtomarket ) 、創新行為、菜單成本以及沉澱成本等四個不同的觀角度,通過對浮動匯率下國際壟斷競爭性生產廠商的定價模型具體而透徹的探討,論證了匯率的不完全傳遞性並深入析了決定匯率傳遞彈性的重要影響因素,闡述了該理論對人民幣匯率的啟示,這樣的研究會對我國今後的匯率政策以及匯率的傳導機制、傳導效應、波動行為等宏觀經濟問題起到重要的
  7. Firstly, this paper makes a detailed study on the field control bus system ( pcs ), including the characters of pcs by comparing fcs and dcs, model networking of pcs and several popular field bus, then put forward a question for discussion combining embeded internet technology and field bus and measure and control networking model based embeded internet technology is constructed. secondly, it studies embeded system including the core of hardware ? mbeded microprocessor and real time operation system. thirdly, the method of realizing embeded internet is discussed for emphasis, and difficulty of ehernet application in industry measure & control system is analysed. an instance of measure & control networking system based embedded ip is given. finally, the author designed a networked remote video surveillance system based embedded web server, c / os - ii is sacled and ported into the embedded microprocessor at89c51. based on the c / os - ii rtos, tcp / ip protocol suite and application program is designed in detail. the system w orks well that improves that the embedded internet technology will be widely used in modern measure & control networking system and has extend values

    本文首先析了現場總線系統( fcs )與傳統集散控制系統( dcs )相具有的特點、 fcs的網路體系結構,介紹了幾種流行的現場總線,提出了將嵌入式internet技術結合現場總線構建現代測控網路的課題;在此基礎上,構建了基於嵌入式internet技術的測控網路結構模型;深入研究了嵌入式系統的核心硬體?嵌入式處理器,通過對普通操系統,描述了嵌入式實時操系統的特點;重點研究了實現嵌入式internet的四種實現方法,並析了以太網在工業測控系統中應的難點,給出了一個基於嵌入式ip的網路測控系統實;最後,研究與設計了一個基於嵌入式web服務器的遠程網路視頻監控系統,該嵌入式web服務器利目前成熟的嵌入式實時操系統c / os - ,通過對c / os -進行適當的裁剪、修改與移植,在at89c51嵌入式處理器上實現了tcp / ip協議棧及應程序,系統的成功運行證明了本文研究成果的有效性,也表明嵌入式internet技術在現代測控網路系統中具有廣闊的應前景和推廣價值。
  8. Anthracite - based hsaac prepared by activation with koh, is mainly of micropores smaller than 2nm. we can increase the proportionality of its mesopores ( > 2 nm ) by increasing koh, activating temperature and suitable activating time

    以koh活化劑制備的無煙煤基hsaac ,其孔徑佈以直徑小於2nm的孔為主。增加活化劑的量,提高活化溫度,適當延長活化時間,可以增加無煙煤基hsaac中孔徑大於2nm的中孔的
  9. In the dissertation, a novel hybrid excitation constant voltage synchronous generator is adopted to improve the system performance, which takes the advantages of both electrical excitation and permanent magnet machines. a parted configuration is presented in order to design the structure of the generator. the adaptive digital adjustment is settled in principle using the single chip microcomputer 80c31 as the control core of the voltage regulator and adopting the proportion - integral - differential control as the control arithmetic, then a sample is made

    論文對同步發電機的工原理、性能特點、電機本體以及電壓調節器的硬體和軟體設計進行了研究,針對稀土永磁同步發電機變載、變轉速情況下輸出電壓不可調的不足之處,採一種新穎的電機型式? ?自適應復合勵磁恆壓同步發電機,綜合了永磁發電機和電勵磁發電機的優點,提出一種磁路開的結構進行電機本體的設計,並選單片機80c31為電壓調節器的控制核心,?積?控制( pid )為其控制演算法,從原理上較好地解決了其電壓的自動數字調節,並試制了一臺樣機。
  10. The results improve our understanding of the utility of tl as an indicator of sedimentary environment and provide insight into what types of ocean sediments are amenable for study. the comparison of the 18o with the tl cycles indicates that the tl dose display the expected coupling relation with interglacial and glacial climate cycles

    尤以位於東經90海嶺上的以遠洋沉積為主的md81349巖芯最為理想,陸源剝蝕產物在其沉積記錄中所佔較少,有孔蟲和超化石為代表的遠洋成因的灰白色生物軟泥構成主要的沉積組
  11. Through simulation and calculating the four models, the influence on proportion coefficient, integral time constant, derivative time constant and partial feedback coefficient for system performance is analyzed. the ideal reference value of every parameters and step respond curves are given. the simulation result may be used as reference for making analogue controller or digital controller

    通過對這四種模型的模擬研究,析了各模型中系數、積時間常數,時間常數及局部反饋系數對系統性能的影響,並給出了各參數較為理想的參考值及階躍響應曲線,模擬結果對製模擬控制器及數字控制器有一定的借鑒
  12. Proportional plus integral plus derivative action ; pid - action

  13. Proportional plus derivative action ; pd - action

    比例微分作用
  14. Theoretically, the firstly, when explained the special phenomenon about financial structure during chinese reform, the financial structure concept of goldsmith had faced all sorts of confusion ; the secondly, the theory of financial structure ’ s evolution rule nearly relies on analytic method by " bs and ms " model, neglecting the approach to the microscopic mechanism inherent laws about the financial structure. in the practice, firstly whether the supplies of fund can continues or not is very important, because it is the safeguard to realization of reform ; secondly, finance in reform can satisfy the new request by completing other functions during the future transformation

    理論上,首先在解釋中國轉型時期出現的金融結構特殊現象時,戈式的金融結構概念出現了種種的困惑,其次,有關于金融結構演進規律的理論幾乎都依賴于「直、間接融資與構成」析法,忽略了對金融結構觀機制的內在規律進行研究;實踐中,首先是資金的供給能否持續,這是對轉型實現的血液供給;其次,金融在轉型期是否只是完成資金的供給,在後轉型時期經濟對金融結構發展的新要求是什麼,現有的金融體系能否給予滿足,這是轉型成功的持久動力保障。
  15. Verification regulation of moving coil temperature indicating instrument with time proportional or pid action

    帶時間的動圈式溫度指示調節儀表檢定規程
  16. This article studys the frozen coal microscopic adhesive structure, pointed out the intensity of frozen coal is the synthesis of chemical bond strength, intermolecular action, hydrogen bond strength, electrostatic force and friction force, because the coal freeze situation differents, effect of different factors are also different

    本文研究了凍煤的觀凍粘結構,指出凍煤的強度是化學鍵力,子間力,氫鍵力,靜電力和摩擦力等多種因素的綜合,因煤的凍結情況不同各因素所佔亦不同。
  17. For vep, through the the study of the case, which is adapted from niiip - based spars sc, its superiority of portal strategy ( in vep, compared with other traditional approaches ) has been demonstrated ; for ccp , through the demonstration of its data integration realization, the strengths and weakness of portal strategy ( in ccp ) have been revealed

    進而,文章以較大的篇幅,詳細地介紹了vep模型和ccp模型的的體系結構、運機制。對于vep模型,通過對美國基於niiip的sparssc案的對析的基礎上,說明了入口策略相對于其他傳統觀虛擬企業設計方法的應效果。
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