類時曲線 的英文怎麼說

中文拼音 [lèishíxiàn]
類時曲線 英文
time-like curve
  • : Ⅰ名1 (許多相似或相同的事物的綜合; 種類) class; category; kind; type 2 (姓氏) a surname Ⅱ動詞...
  • : 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...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 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...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The mathematical statistics method and extrema variance clustering method can be used to visible automatic classifying and reading of logging curves. the lithofacies classifying program basing on multi - mineral model analysis presents a new method to analyze logging - facies and more accuracy and visualized logging facies section can be reached by using this method. in addition, it supplies reliable lithologic layering reference for search and evaluation of oil / gas caprock and it also made up for the high cost of core - drilling and the inaccuration between lithic fragment description and depth

    採用基於「數理統計-極值方差聚法」的面向對象可視化操作方法可有效地解決測井的可視化自動分層取值問題;而基於多礦物模型分析的巖相劃分程序又提供了一種新的測井相分析方法,能得到更為準確直觀的測井相剖面,為尋找和評價油氣蓋層提供了可靠的巖性分層依據,同彌補了鉆井取心費用高和錄井巖屑描述與深度有誤差的缺陷。
  2. Using the thermodynamic conditions describing the coexistence of two phases and the stability conditions of equilibrium state, we have calculated the normalized temperature and the normalized pressure of the triple point ( t1, p1 ), the melting curve, vapouring curve and the sublimation curve. the whole phase diagram of the 2d monatomic l - j system is obtained

    和杜宜瑾等人的方法似,我們先給出了系統在相變點的一些參數的數值,在此基礎上,考慮占據率q的因素,利用相平衡的熱力學條件及平衡態的穩定性條件,得到了二維單元l - j系統的熔化、汽化、升華以及三相點的位置,從而給出了該系統的完整的三相圖。
  3. The paper concludes that the changing rate of ndvi of rain forest in tropic is the smallest, the changing curve is smooth, while the changing rate of ndvi of the deciduous broad leaf forest in warm - temperate zone is the largest the change of ndvi is the most conspicuous in winter and spring ( especially in april ) while is not conspicuous in summer and autumn by analyzing the change of ndvi along latitude using the ndvi value of different vegetation types along the same longitude. the vegetation index from warm temperate zone to semitropical zone has obvious transition, while other areas have no distinct change by analyzing the change of ndvi from temperate zone to semitropical zone to tropical zone using ndvi averagejn the same time it is concluded that the sink value in the beginning of the year 1995 is from the influence of the monsoon in east of china by analyzing the ndvi curve of several typical needle leaf forests. the relation between ndvi value and temperature is conspicuous while the relation of precipitation is less or not by analyzing the relation between ndvi and temperature and precipitation finally it can get the conclusion that the change of river area is the smallest, the change of sienna area is the greatest by analyzing two phases of tm data in 1987 and 1997 with rs technic

    利用從同一經度的不同森林型ndvi值分析,沿緯度方向ndvi變化可得出, ndvi在冬春季變化最明顯(尤其是在4月份最大) ,而在夏季和秋季變化不明顯。利用ndvi均值進行分析,從暖溫帶到亞熱帶到熱帶的變化情況發現,從暖溫帶到亞熱帶ndvi指數形成明顯的階躍,而其它區域沒有太大的變化,同對幾種典型的針葉林分析可知其年初的凹值源自於我國東部季風的影響。利用ndvi數據分析其與月均溫度與降水的相關性得出與溫度相關性較為顯著,而與降水相關性不顯著或無相關性。
  4. The effect on display characteristic made by thermal deformations of the shadow mask is comprehensively investigated. by using the electron beam distribution automatic measurement system with a micro - deflective coil, a concave spot in luminance distribution can be get. it changes its position when the shadow mask changes its form

    本文系統全面地分析了傳統蔭罩的各熱變形對顯示屏特性的影響,利用本文研製的電子束亮度分佈自動測試系統,附加一個微偏轉磁場,使相鄰兩電子束打在同一顏色的熒光粉條,並形成一個亮度凹點,當蔭罩變形,凹點位置作相應的位移,以此原理跟蹤測量凹點位移量,即可得到色純漂移動態變化
  5. In this paper, thermal evolution history of organic matter of the source rocks and hydrocarbon generation history have been researched by tti method, hydrocarbon migration direction and migration times were probed combining with the area structure development feature ; distribution pattern of the main reservoir intervals on lateral and longitudinal have been predicted by researching on development feature and control factors of the reservoir intervals, the actions of reservoir conditions in hydrocarbon accumulation and bearing also were probed combining with pore evolution feature ; the micro - pore feature of regional cap and direct seal in carboniferous - lower triassic in this area have been determined with micro - capillary pressure curve and intrusive mercury curve ; the prospecting districts have been pointed out combining with the hydro - geologic feature, the potential reservoirs were classified according to trap types in this area, the author attempt to evaluate on the hydrocarbon - bearing condition in the str ata of carboniferous ~ lower triassic from hydrocarbon generation and migration reservoir condition, reserved condition etc, and predict the reservoir types and hydrocarbon - bearing patterns combining with the structure evolution. based on above, the author point out that the central block of chenghu - tuditang synclinorium and the southern block of dangyang synclinorium are the advantageous regions for exploration

    本文用tti方法研究了烴源巖有機質的熱演化史和油氣生成史,並結合區內構造發育特徵,探討油氣在區域上的運移方向和在間上的運移期次;通過對儲集層段的發育特徵和控制因素的研究,預測了本區主要的儲集層段在橫向上和縱向上的分佈規律,並結合孔隙演化特徵,探討儲集條件在油氣聚集成藏中的作用;利用微毛細管壓力法和壓汞法,對石炭系?下三疊統的區域蓋層和直接蓋層的微孔隙特徵進行了定量評價,並結合水文地質分佈特徵,指出有利於油氣保存的地區;根據區內存在的各種圈閉型,對可能存在的油氣藏進行了分,並試圖從油氣的生成與運移、儲集條件、保存條件等方面,動態地綜合評價石炭系?下三疊統油氣成藏條件,並結合構造演化特徵,預測其油氣藏型和成藏模式。
  6. The evaluation of contactor performances according as dynamic characteristic curves is put forward the first time. fuzzy logic and neural network are introduced to establish a model for the contactor performances intelligent evaluation system. the model mentioned above can give a performance evaluation result in the meanwhile of the contractor dynamic process testing

    首次提出以動態特性參數作為接觸器性能評判的依據,並構造了基於模糊聚分析和神經網路演算法的接觸器動態特性性能評判模型,在實現對接觸器動態過程測試的同,給出接觸器動態特性性能評判結果。
  7. In the former, two computing modes of fem are built, aimed at the coupling of variable - profile pylon, curved - axis arch and flexible cable. the software algor feas is used to get the results of dynamic numerical analysis, such as natural vibration frequency, vibration mode, dynamic displacement, dynamic stress, which are compared with the results of shaking table test research to draw to important conclusions. these conclusions provide not only potent basis for the design and construction of nanjing century tower, but also reference for other pylon - cable - arch structures similar to the project

    在動態數值分析中,針對世紀塔變截面的塔身,的拱以及柔性拉索相互耦合清況,建立兩種有限元計算模式,利用有限元軟體algorfeas得到動力數值分析的結果,如:自振頻率、振型、動位移、動應力等等,再和振動臺試驗研究成果作比較,得到一些重要的結論,從而為南京世紀塔工程的設計和施工提供強有力的依據,而且為以於世紀塔工程的其它塔-索-拱結構的設計也提供一定的參考。
  8. During its lifetime, the xd recorded a total of 664 triggers. the research team identified and recorded lightcurves of near one hundred solar flare events data taken during half of the orbit when the shenzhou - ii orbiter faces the sun and 30 candidates of gamma ray bursts. many of these observations were verified by similar results taken by other orbiting satellites

    探測器在運作期間,共錄得664次撞擊,研究小組由此識別並記錄了近百次太陽耀斑的變光當神舟二號在軌道上面向太陽和約30次伽瑪射爆發,大部分觀測結果跟其他人造衛星所測得的似。
  9. A general consensus exists related to the influence of slow crack propagation ahead of the crack tip upon the nonlinearity observed in the typical load - deflection response of the concrete specimen, namely, concrete exhibits somewhat quasibrittle behavior, which has been verified by the inapplicability of the conventional linear elastic fracture mechanics ( lefm ) and fracture models suitable for metal - like materials

    現在已經意識到,混凝土在其典型的位移中呈現出的非性特徵是由於裂縫在端部的緩慢擴展引起的,可以認為是混凝土的一種半脆性性能。這是在發現傳統的彈性斷裂力學( lefm )和適合金屬材料的斷裂模型不適用於混凝土研究得出的結論。
  10. The primary advantage that elliptic curve systems have over systems based on the multiplicative group of a finite field ( and also over systems based on the intractability of integer factorization ) is the absence of a subexponential - time algorithm ( such as those of index calculus type ) that could find discrete logs in these groups

    與基於有限域的乘法群系統(及基於整數分解的難解性之上的系統)相比,橢圓系統的優勢在於,迄今為止還沒找到這群上離散對數的次指數間演算法(如微積分
  11. Tooth surface equations and contact line equations of the involute worm gearing are established according to its machining methodology. meshing characteristics in rigidity condition are studied. these characters include the inductive normal curvature along the contact line on the worm surface, the first and the second limit lines during the engage of the worm gear, and the influence of the intersect angle between the contact line the relative velocity of the worm and the gear on transmission performance

    根據漸開圓柱蝸桿傳動的創成方法,建立了漸開圓柱蝸桿和蝸輪的接觸方程式、齒面方程式,分析了漸開圓柱蝸桿傳動的剛性嚙合特性,如蝸桿與蝸輪嚙合的誘導法率、一界限、二界限和蝸桿與蝸輪間相對速度方向和接觸方向的夾角對傳動性能的影響; 2
  12. So sral2o4 eu, dy can be regarded as high efficiency solid display material. in this dissertation, sral2o4 : eu, dy is prepared by high temperature solid - state reaction, which contained the steps of stoichiometry, grind and high temperature agglomeration

    並通過對10小余輝衰減的準確測量詳細研究了各步驟對材料發光性能的影響,總結出制備此長余輝材料的最佳配方和制備工藝。
  13. To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. the research is divided into four parts : 1 ) taken all forces the piston endured into consideration when radial piston motor working, the force between roller ( or ball ) and orbit is deduced. the simple style of the press expression can be confirmed by ignoring minor influence factors after analysis all factors that will influence this press

    靜壓傳動技術在各工程機械中得到廣泛的應用,對作為其核心部件的徑向柱塞式低速大扭矩液壓馬達的研究顯得十分重要,為了能直接對這種馬達進行壽命估計,並能在相同工況下求得壽命最長的軌道,本文從設計等接觸應力內的角度對這馬達作探討性的研究,主要從以下四個方面進行: ( 1 )綜合考慮徑向柱塞式液壓馬達工作的各種主要受力狀況,對柱塞組件進行受力分析,並通過模擬分析影響軌道和滾動體間正壓力的各個因素,得到正壓力的簡化表達式。
  14. Thus it is suited for generating new w avelength, especially in uv wavelength. we obtained the curves of the angle tuning, threshold and efficiency of clbo both in type - i and in type - ii phase matching ( pm ) in this paper, and compared to that of bbo

    論文完成了clbo晶體光參量振蕩在、相位匹配的角度調諧,雙諧振、單諧振條件下的振蕩閾值及轉換效率,並與bbo晶體進行了比較。
  15. Through a large amount of research, exploration, analysis and comparison, iterative classification method of solving the equation, the statistical method of dividing the period of calculating time and its key technology are put forward. the difficulties in computer simulation of multi - curve fitting are solved well

    經過大量的研究、探索、分析、比較,提出了方程的迭代分法和推流段劃分的統計方法及其關鍵技術,很好地解決了計算機模擬多的難點,具有一定的創新和突破。
  16. 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,水化放熱速率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,反應速率加快,雙峰合併;進一步研究發現,摻合料的種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。
  17. The topologies family include single four - quadrant power switch mode, push - pull mode, half - bridge mode, and full - bridge mode circuits. taking full - bridge mode circuit as an example, the operational mode, steady principles, transient voltage feedback control strategy of the converter are investigated. the output characteristic curve, the design for the key circuit parameters and the reference sinusoidal circuit which is synchronous with the signal of n or 1 / n times line voltage frequency are given

    該電路拓撲族包括單四象限功率開關式、推挽式、半橋式、全橋式電路,以全橋式電路為例分析研究了這換器工作模式、穩態原理與電壓瞬值反饋控制策略,給出了變換器的外特性、關鍵電路參數、與電網電壓n倍頻或n分頻信號同步的基準正弦電路的設計。
  18. The main work includes : for the torsional vibrations of a rigid disk on saturated media, first, the dynamic governing equations are solved by the use of hankel transform and the general solutions in the hankel transform fields are formulated. then, considering the mixed boundary - value condition, the dual integral equations of the torsional vibrations of a rigid disk on saturated grounds are obtained, which can be reduced to the fredholm integral equations of the second kind and solved by numerical procedures. consequently, the dynamic compliance coefficient curves and the torsional angle amplitude curves versus the dimensionless frequency are presented and contrasted to that of the elastic one

    在前人研究的基礎上,本文基於陳龍珠等曾提出的一組實用飽和土波動方程,用解析或半解析的方法首次較系統而深入地研究了飽和半空間地基與基礎的扭轉振動問題,主要工作有:對于飽和地基上剛性圓板的扭轉振動,作者首先採用hankel變換求解了動力控制方程,得到了該控制方程在hankel變換域內的通解,然後由混合邊值條件建立了飽和地基上剛性基礎扭轉振動的對偶積分方程,並將其化為易於數值求解的第二fredholm積分方程,用數值方法計算了基礎的動柔度和扭轉角幅值與振動頻率的關系,並將其與單相彈性介質情況進行了對比分析。
  19. At the same time in this paper we analyze nonlinear behavior of masonry through finite element method program and obtain its load when the wall start to crack and when it destroy, the p - u curve and so on. a comparison has been made between the data obtained from the experiment and the calculated through finite element method program so that we can study the cause of crack. in this paper we use finite element method to study concrete ' s character to analyze masonry, satisfactory results have been attained

    因此本文在對灰砂磚砌體進行力學性能試驗的基礎上,分析其裂縫產生的破壞模式與開裂機理,並論述了將斷裂力學知識運用於研究砌體裂縫問題的可行性;同,本文運用有限元方法對結構低周反復加載靜力試驗所做的灰砂磚墻片進行非性分析計算,得出墻片的開裂荷載、極限荷載、 p ? u,裂縫在墻體上的分佈等,與試驗所得數據對比,以便於研究裂縫的開裂機理,並將研究混凝土的有限元方法運用到對砌體的研究中,取得了較滿意的結果,為似的試驗分析提供了一條新的思路。
  20. The major findings are listed below : ( 1 ) the film of 4. 1 ml consists of superparamagnetic nano - cluster with large perpendicular anisotropy and in - plane uniaxial anisotropy. the oscillatory curve of is symmetrical which can be described by a function of sin square

    Iml,未形成連續薄膜,而是超順磁性的團簇,具有很大的單軸的垂直各向異性和平面單軸各向異性,色散關系是對稱的正弦
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