variation with time 中文意思是什麼

variation with time 解釋
隨時間變化
  • variation : n 1 變化,變動。2 變量,變度,偏差。3 【語言】語尾變化;變體,異體;【數學】變分,協變;順列;【...
  • with :
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  1. Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading

    文摘:為了測錄內燃機缸內的壓力及溫度,開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數,而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明,此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點
  2. Different situations, single - pile raft, four - pile raft and nine - pile raft, are calculated with cpri. with the computing results, the variation of the raft settlement, pile counterforce, soil counterforce and pore pressure at different time are analyzed, which agree with the general rule and show the contribution of soil consolidation on the interaction

    本文利用cpri分別對單樁承臺、四樁承臺和九樁承臺的工作性狀進行了計算分析,模擬樁基的沉降發展過程和不同時刻土體中的孔壓、樁身荷載、承臺底面土體反力的變化,分析了群樁承臺的荷載在各樁頂的分佈。
  3. Through the input parameters modification, we got the micro process image of latent image formation, which indicate the variation of the number of different particles with time and the transformation relationships between them ; also, we got the dependence of photosensitive process on these parameters. on this condition, all kinds of reactions occurred during the process of a certain carrier are very clear from the analysis of the results

    通過對模擬程序中輸入參數的調整,我們得到了不同勢阱密度下潛影形成過程的微觀圖像,揭示了各種粒子數量隨時間的變化關系以及它們之間的相互轉化關系,同時還得到了每一種粒子在感光過程中的反應過程以及它們對整個感光過程的影響。
  4. During the el nino ( la nina ) events, the negative ( positive ) sst anomaly occurs and the corresponding the olr mjo intensity weakens ( enhances ) in the tropical western pacific ; at the same time, the positive ( negative ) surface westerly anomaly leads to positive ( negative ) mld anomaly, and the corresponding sst mjo intensity weakens ( enhances ) in the equatorial eastern pacific, 4 ) the interdecadal variation of the atmospheric mjo intensity took place distinctly in 1970s in the tropical western, northwest and eastern pacific, with the stronger intensity in the former than the back stage, and the interdacadal variation of sst is its cause

    Elnino ( lanina )事件中熱帶兩太平洋sst出現負(正)異常, olr季內振蕩強度出現減弱(增強)的變化。 elnino ( lanina )事件中,赤道太平洋出現地面信風西風分量正(負)異常,並引起熱帶東太平洋mld出現正(負)異常,造成熱帶東太平洋sst季內振蕩強度出現減弱(增強)的變化。 4 )熱帶印度洋、熱帶西太平洋和熱帶東太平洋季內振蕩強度在上世紀70年代發生了明顯的年代際變化,均為前弱、后強, sst本身的年代際變化是其原因。
  5. With the analysis of the document, it was clear that the variation of weight was one of the objective standards of determing the time of hasten parturition. in practice the variations of weight of every parent should be surveyed as a scientific basis of hasten parturition

    3 .低濃度的hoif氏原液和井水(濃度待測)能明顯促進精子運動;較高濃度的ringer氏原液妨礙精子運動。 4 .用干濕法授精,添加精子稀釋液。
  6. The mechanical creep in photoelastic models is accompanied by a variation with time of the optical effects.

    光彈性模型中的力學蠕變,伴隨著光學效應隨時間的變化。
  7. ( 2 ) both the circadian clock and the light signal may affect the circadian expressions of the mt1 and mt2 genes. the mt1 is more sensitive to variation with the structure of light and dark, but the mt2 is more affected by the time length of light exposure

    光照對scn及淋巴細胞中鐘相關基因晝夜表達節律的影響中文摘要血和血的晝夜節律性表達同時受生物鐘及光信號的影響,但mt受光制構成的影響較大,而航2受光照時間長短的影響較大。
  8. We concludes that the selected herbicide for smooth cordgrass does not obviously affect community composition and the habitats of benthic species, the coherent variation trend of benthic community composition correlates with time between experimental zone and controlled zone

    這表明互花米草防除藥物對底棲生物群落組成結構及其生境的干擾不大,試驗區與對照區底棲生物群落組成結構總體一致的變化趨勢與時序有關。
  9. The variation with the time of the mean density of all particles, electron temperature and their space distributions in the discharge cell are calculated in this paper

    使用eme模型模擬計算新型蔭罩式結構和傳統的表面放電式結構,對這兩種結構的模擬結果進行比較分析。
  10. After spraying the herbicide, the results with time show that no obvious quantitative difference occurred in benthic species composition, biomass, inhabit density and the coherent variation trend between experimental zone and controlled zone

    藥物噴灑后不同時段調查結果表明:試驗區與對照區的底棲生物種類組成、生物量、棲息密度同步對比數量相差不明顯,其隨時間變化的趨勢亦呈現總體一致。
  11. A graph which shows this variation with time is called a waveform.

    電壓或電流隨時間而變化的圖形稱為波形。
  12. The pressure is monitored until no further variation with time is noted.

    監測壓力直到它不再隨時間變化並記錄下來。
  13. The repetition of a previous line or lines, but with a slight variation each time that advances the narrative stanza by stanza

    遞進重復:詩歌中對上文中一行或幾行的重復,但每次重復都有一定的變化,而且每一節的重復中的敘述都有所強化。
  14. In this paper, the temperature fields during liquid infiltration extrusion of composites are simulated with the fem, the seepage fields of liquid metal are simulated with the fdm. both the temperature fields and the seepage fields are coupled, the temperature variation curves, infiltration front process curves and velocity variation curves with time are obtained

    本文採用有限元法模擬了液態浸滲擠壓復合材料浸滲過程溫度場,採用有限差分法模擬了液態金屬滲流場,將兩者間接耦合分析計算,得到了浸滲區域的溫度變化曲線、浸滲前沿及浸滲速度隨時間變化等曲線。
  15. The effects of hydrofoil impeller on erythromycin fermentation and variation of fermentation parameter such as broth viscosity, dissolve oxygen, fermentation unit, power consumption on the scale of 20 ton fermentor, etc. with time were studied

    摘要在20t工業發酵罐中,研究了翼形軸流槳攪拌對紅?素發酵過程的影響,重點考察了粘度、溶氧、效價等過程參數變化,以及攪拌功耗與發酵產量之間的關系。
  16. According to the electromagnetic induction theory, abrupt variation of current in the transmitter loop will induce magnetic field around it, which is called the first field. in the transmission of the first field, when it meets good conductor target, induce current will be created, which is called erratic current of second current. because the second current changes with time, so it will create new magnetic field, which is called

    對于接收部分,由於瞬變信號具有早期信號幅度大、衰減快,而中晚期信號幅度小、衰減慢的大動態范圍的特點,必須設計適應這種大動態范圍信號的採集電路;為了適應野外工作,系統主控部分採用具有功耗低、高速處理的dsp ,通過高速通用串列介面usb與上位機通訊,實現對整個探測系統的控制。
  17. Organism decomposition rules of msw are generalized and an equation to evaluate the variation of organic substance with time ( depth ) is proposed at the first time in this thesis. the equation is verified when compared with the results from field - test

    本文總結了填埋體有機質的分解規律,創造性地提出了填埋體中有機質隨時間(深度)變化的公式,並用現場測試結果進行了驗證。
  18. In this paper, based on the method of variable replacement, real parameters di > 0 ( i = 1, 2, . ., n ) which can be adjusted, are introduced ingeniously. we establish some new sufficient conditions for the existence, uniqueness and global exponential stability of the equilibrium, periodic solution and almost periodic solution of neural networks with time - varying delays by means of the method of variation of parameters, fixed point theorem and some analysis techniques

    本文巧妙地引入可調實參數d _ i 0 ( i = 1 , 2 , … , n ) ,藉助常數變易法、變量替換、不動點定理和一些分析技巧,對具可變時滯的神經網路的平衡點、周期解、概周期解的存在性和全局指數穩定性建立了一些新的充分條件。
  19. Because the questions of partial differential equations make green function method studied difficultly for student, the variation of parameters formula and ordinary differential equation are put forward. initial value of ordinary differential equation and the boundary value of ordinary differential equation are discussed. green function with time and green function without time are introduced and theirs equations and conditions are calculated

    基於偏微分方程問題造成學生學習green函數方法的困難,我們以常微分方程為切入點,從學生熟悉的參數變動法解非齊次方程出發,討論了非齊次常微分方程的初值問題和邊值問題,引入含時green函數和與時間無關的green函數,得出它們應滿足的方程與條件,分析這些green函數最一般的性質及物理含義,從而驗證了通常green函數方法在數學上的合理性,在此基礎上總結並規范了green函數方法解決問題的基本思想和步驟。
  20. Temperature effect is important in calculation theory of concrete filled steel tubular ( cfst ) arch bridge. the main problems about it are the temperature field in space and temperature variation with time

    溫度問題是鋼管混凝土拱橋計算理論中的一個重要問題,其關鍵在於溫度場時間和空間的變化與分佈規律問題。
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