極限數量 的英文怎麼說

中文拼音 [xiànshǔliáng]
極限數量 英文
limiting number
  • : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
  • : Ⅰ名詞(指定的范圍; 限度) limit; bounds Ⅱ動詞(指定范圍, 不許超過) set a limit; limit; restrict
  • : 數副詞(屢次) frequently; repeatedly
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  • 數量 : quantity; quantum; amount; magnitude; number
  1. It was suggested that eric - pcr could substitute for rapd in research related to the genetic identification and genetic diversity in auricularia and other edible and medicinal fungi : 2 to a certain extent, genetic differences among auricularia strains tested in this study did not have necessary relativity with their geographical origins respectively ; 3 in this study, genetic diversity in a. polytricha was higher than that in a. auricula : 4 in this study, a. fuscosuccinea had a higher homology to a. auricula than to a. polytricha ; 5 morphological characteristics validated the results from eric - pcr and provided a potential explanation for the higher similarity coefficient between a. auricular and a. fuscosuccinea ; 6 southern hybridization was employed by choosing a strain from a. auricula as a probe which hybridized with a. auricula and a. fuscosuccinea except a. polytricha, further confirming the veracity of the results from eric - pcr ; 7 in this study, isozyme analysis could not cluster the 7 strains from three auricularia species to different groups efficiently ; 8 2 strains from two auricularia species revealed high conservative degree and the restriction fragment patterns by 4 kinds of restricted enzymes showed no diversity

    本研究中,木耳屬2個種的2個菌株在its區域表現出較高的保守性, 4種制型內切酶的酶切圖譜沒有顯示出多態性;增加內切酶種類及供試菌株,有可能獲得具有多態性的制性內切酶酶切圖譜; 9本實驗中, its區域的真菌特異性引物與真核生物通用引物對于擴增效果無較大差異,擴增片段長度均為650bp左右; 10根據形態學實驗、 eric - pcr實驗以及southern雜交實驗的結果分析,紫木木耳屬種質資源的遺傳鑒定和遺傳多樣性評價耳有可能是毛木耳種的一個變種; n .本研究中所用的gutc法是一種適用於木耳屬菌株基因組洲a快速提取的方法; 12 .傳統的形態學分類法和現代的分子生物學分類法,兩者的關系是相輔相成,互為驗證
  2. On the basis of investigations into the progressive yield process and the possible failure modes of rcc gravity dams, the quasi - elasticity design limit state of the ctrtical stability criterion is proposed and the real working state of the dams designed according to the ctriterion is discussed. a check formula using the material strength reducing factor as the safety index and a simplified formula similar to against sliding stability fromula are derived. finally, the corresponding design safety factors are given by using fem calculations with various influence parameters to be taken into account

    本文在研究碾壓混凝土重力壩漸進破壞過程和可能失穩方式的基礎上,提出了以準彈性臨界作為穩定臨界準則的設計狀態,分析了按該準則設計的大壩的實際工作狀態,導出了以準彈性強度儲備系為設計安全指標的審查公式以及形式與抗剪斷公式相同的簡化公式,探討了定計算考慮各種因素影響的相應設計安全系的合理取值,並與現行規范方法進行了比較
  3. Establishing the formulation of total transfer capability ( ttc ) and available transfer capability ( atc ) problem of interconnected systems, and applying the p - kkt - pdip algorithm to solve it. 6

    建立了聯網區域的傳輸容( ttc斥可用傳輸容( atc )的學模型,並用p kktpdip演算法進行解算; 6
  4. Taking the contact stress, bend stress stiffness and temperature stress as the condition, taking the weight of the kiln tyre as optimization aim function, the redia and the width of the tyre are optimized general optimize methods just consider the affecting of the parameters to aim function, but in fact, structural parameters ( such as structure dimension, interval and so on ), physics and dynamics ( damp factor, conduct factor, friction factor material ' s elastic module strength limits and so on ), which would be changed after used. the difference are called discrepancy robust design ' s basic concept is : all design parameters " discrepancy will affect the aim funct ion and arouse the quality target discrepancy

    一般的優化方法,僅僅考慮了參對其目標函的影響,而實際情況下有些參是變化的,產品的結構參(如幾何尺寸、間隙等) 、物理和力學參如阻尼系、傳導系、磨擦系、材料的彈性模和強度等的設計值與製造后和使用中的實際值會有差異,這種差異稱為設計變和噪聲因素的變差。
  5. Based on extensive investigation of construction technique history of chinese ancient buildings, the structure method, structure developing history and seismic behavior of chinese ancient timber structure buildings are analyzed in several respects of the structural system and form. through a series of experiments on constituent parts of chinese ancient timber building structure, including the tests on the corbels and brackets called dougong subjected to low cyclic reversed loadings, the tests on the wooden frame using the tenon - mortise joints as connections of column and beam subjected to low cyclic reversed loadings, the tests on vibration isolation effect of friction and slippage between column footing and their socle base, and a series of shaking table tests on a chinese ancient timber structure palace building mode under artificial earthquake at serving conditions, destroyed conditions and reinforced conditions, many valuable results of structures such as moment - curvature hysteretic loops of dougong structure and tenon - mortise joints under low cyckc reversed loadings, the static function, the seismic performance, energy dissipation, vibration reduction, energy - loss mechanism, nechanicalmode and failure mode were studied. aplenty of valuable parameters of the structure system were obtained, such as the natural period of structure, vibration modes, damping ratio, factor of vibration isolation, oscillate amplitude of ineitial accebration, velocity and displacement, magnitude of slippage, and the mechanism of structure failure and collapse etc. based on these research, the complete analysis of ancient timber structure under earthquake were carried out in which including mechanism analysis method, calculating mode, strength analysis of members and joints, strengthening methods for serving damaged ancient timber structure buildings were also taken into account

    依照宋代《營造法式》建造了抬梁式殿堂木結構構件及結構模型,對中國古代木結構中的典型構造如:柱腳在礎石頂面平擱簡支、柱架榫卯連接、柱高不越間之廣、側腳、生起、斗拱等的構造機理及結構功能進行了化分析和實驗研究: (一)通過木柱石礎靜摩擦試驗,測定了柱腳與石礎古鏡面間的摩擦系及摩擦力隨上部結構荷載變化的規律; (二)通過單柱承載力試驗,測定了古建築中木柱的受力變形特徵、破壞模式、及模型材料的變形模承載力、變形等參; (三)通過柱架低周反復荷載試驗,測定了柱架的抗側移剛度、柱架恢復力特性及滯回曲線、榫卯張角剛度及其變化規律、柱架及榫卯的承載力和變形、及榫卯減振參; (四)通過斗?低周反復荷載試驗和受壓試驗,測定了古建築木構件與木構件間摩擦系,斗?抗側移剛度,斗?恢復力特性及滯回曲線,斗?抗壓承載力及受力變形規律; (五)通過抬梁式殿堂間架模型振動臺試驗,測定了殿堂木構架結構自振周期,地震反應振形、阻尼特性及阻尼比;按結構分層特點對柱腳、柱頭和斗?層上的屋蓋的地震反應採用多點同步測,對柱根滑移、榫卯變形、斗?的變形、復位、耗能減振參等進行了定分析。
  6. For the hyper accuracy interpolation technique, which resolves the accuracy limitation of pixel physical size, derives out the star spot interpolation accuracy limitation based on the star spot mathematical model and photoelectric statistics

    針對克服像元尺寸對測精度制的超精度內插細分技術,在建立了星點光斑學模型的基礎上,利用光電統計理論,推導了星點光斑內插細分精度的公式。
  7. The study in the paper starts with beam distortions, and it treats the plastic deformation area as pure bending sect, rest of the beam as rigid bodies. according to different shapes of the external tendons, it divides into three structural forms familiar in projects, that is the beams with no deviator, with a deviator and with two deviators, and studies the relation between the deformation of the external prestressing tendons and that of the beams, and derives the formulas of the ultimate stress increment of external tendons. in the formulas, the ultimate angle corresponding to half of the plastic deformation area is considered as a variable parameter

    本文首先從梁狀態下的變形入手,將塑性鉸區看作純彎段,將塑性鉸以外的區域看作剛體,按照體外預應力筋的形狀不同,分工程中最常見的三種體外結構形式,即無轉向塊的直線型體外筋混凝土梁、具有一個轉向塊的單折線型梁和具有兩個轉向塊的雙折線型梁,研究體外預應力筋變形和梁體的變形間的關系,推導出以狀態下塑性鉸區之半對應的轉角為參的計算體外預應力混凝土簡支梁以及連續梁的體外筋應力增計算公式,並進一步求得梁的承載力。
  8. Based on tests of nine 1 / 2 - scaled model slabs under vertical loads, the paper analyzed load - deformation curve and proposed limit value of height - width ratio under axial loads. 2. based on aseismic tests, the paper put forward a model of concrete frame, silica brick and a combination of the two, proposed that the silica brick works as a 45 compression bar, analyzed the factors which may influence bearing capacity of the slab and advised a formula including the numbers of bays and of storeys of the frame

    通過對墻板模型的抗震性能試驗研究,建立了由鋼筋混凝土框格、砌塊以及兩者協同作用三個部分組成的承載力狀態下的理論簡化計算模型;提出了墻板中填充塊等效斜壓桿寬度按45度計算的統一化標準;分析了影響墻板承載力的主要影響因素,給出了表達墻板框格層和跨不同的斜截面承載力實用設計計算公式。
  9. In the limit of large quantum numbers quantum mechanics goes over into classical mechanics.

    在大情況下,從子力學過渡到經典力學。
  10. With the increase of abandoned time, perennial plants increased, the function communities were richer, p diversity index in two communities reduced with abandoned interval, but the vegetation restoration was slow, the land abandoned for 30 years have not got to climax community

    隨撂荒年的增加,多年生植物的種類和逐漸增加,植物群落功能群構成逐漸豐富,群落間多樣性指隨撂荒時間間隔的增大而逐漸減小。但植被恢復緩慢,撂荒30年仍未達到頂群落階段。
  11. Abstract : in this paper, empirical euclidean likelihood ratio statistics are constructed for parametric components in a partly linear model, and its theory asymptotic confidence regions are constructed for parametric components in a partly linear model

    文摘:構造了部分線性模型參的經驗歐氏似然比統計,並討論了它的分佈,由此可構造部分線性模型參的漸近置信域
  12. In the second section of chapter 2, the fact that the essential interest rates of all nodes differ from each other is discussed, a non - homogeneous differential equation model of interest rate - amount of circulating fund is established, and it is proved that the sum of the weighted interest rates of each node in the financial network still remains a constant and that the difference of the instant interest rates between two nodes will finally approach the difference between their basic interest rates. in the third section of chapter 2, the differential equation model of interest rate - amount of circulating fund in an open system is studied, the laws of changes of interest rate are taken into account when fund is injected into or withdrawn from the node or when fund is injected into the network or withdrawn from the network, and the stability of equilibrium solution is proved based upon lyapunov stability theory. in the last, the equation model of interest rate - amount of circulating fund in the financial network with time delay is studied, and a necessary and sufficient condition for the existence of periodic solution is obtained to the interest rate - amount of circulating fund equation with delay

    本文第二章首先建立了封閉系統的利率?流通微分方程模型,證明了各結點利率加權和為常即金融市場利率均衡原理,以及各結點利率為整個網路平均利率;其次在各結點基本利率不相同的情況下,建立了非齊次利率?流通微分方程模型,證明了金融網路各結點利率加權和仍是一個常,並證明了各結點兩兩之間的即時利率之差最終將穩定地趨于其基本利率差;此外,還研究了開放金融網路利率?流通方程模型,考慮了結點自身追加資金和提走資金的情形以及網路外部注入資金和向外部轉移資金情形下的利率變化規律,用lyapunov穩定性理論證明了模型均衡解的穩定性;最後,還研究了具有時滯的金融網路利率?流通方程模型,並給出了具有時滯金融網路的利率流通方程具有周期解的充要條件。
  13. In the shock tube, the detonation parameters, such as critical initiation energy, detonation velocity, detonation pressure, detonation limitation and etc., have been measured and the relation is too obtained between detonation parameters and equivalence ratio. chemical kinetics process of hydrocarbon fuel has been analyzed according to the chain reaction mechanism

    在立式激波管中測試了工業燃料c _ 5h _ ( 8 . 68 )的臨界起爆能、爆速、爆壓、爆轟,得到了爆轟參與當比之間的關系;從爆轟反應是一個鏈反應機理出發,分析碳氫燃料的反應動力學過程。
  14. The integrability conditions and coefficient conditions for the appearance of 5 and 6 limit cycles from the neighborhood of the equator are obtained. an example of cubic system with 6 limit cycles bifurcating from the equator is given for the first time

    同時計算出系統的前6個赤道環,得到了系統在赤道鄰域的可積性條件及在赤道附近分支出5個和6個環的系條件,從而首次給出了一個平面三次系統在赤道附近分支出6個環的計算實例
  15. Sampling procedures for inspection by attributes - part 2 : sampling plans indexed by limiting quality for isolated lot inspection

    檢查用抽樣程序.第2部分:隔離批檢查用以為指標的抽樣方案
  16. Lq sampling procedures for inspection by attributes ; sampling plans indexed by limiting quality for isolated lot inspection ; identical with iso 2859 - 2 : 1985

    檢驗抽樣程序.用於孤立批檢驗按
  17. With the expansion of the national debts scale in our country, the reasonable limit of the national debts " quantity problem become one of the crucial points in bond study. how to evaluate the influence of bonds issuing for the finance and monetary policy

    此外我國從1998年開始實施積的財政政策,加上西部大開發策略和振興東北策略,這些都將需要大的國債支持,在這種情況下討論我國國債債務負擔的合理,並在此基礎上給出相應的建議就具有重要現實意義。
  18. They are applied to different situations and verified by experiments. analysis model of small ap oblique penetrating ceramic / metal light armor is established on the basis of energy model and the assumption of ellipse absorbing the same energy in back plate, giving the predictable formula about ballistic limit velocity. with energy model the optimization design in relation to ceramic / metal light armor is analyzed and the optimal coefficient of ceramic / metal composite armor is gained

    本文的主要研究內容如下: (一)建立了小型穿甲彈垂直侵徹陶瓷/金屬輕型裝甲的動模型和能模型,它們分別適用不同情況,並通過試驗驗證;基於能模型和背板橢圓吸能相同假設,建立了小型穿甲彈斜侵徹陶瓷/金屬輕型裝甲的分析模型,給出了彈道速度預測公式;利用能模型對陶瓷/金屬輕型裝甲的優化設計進行了分析,給出了陶瓷/金屬復合裝甲的最佳優化系
  19. | | of sb and that there exists a positive nondecreasing function ( a ), a > 0, such that with some k, r, b > 0. then assuming also that ( ) is a regularly varying function at zero, or at infinity, with a positive exponent, [ l ] has proved large deviation results for increments like sup sup | | ( t + s ) - ( t ) | |, which then used to establish module of continuity and large increment estimates for ( )

    假設存在正的非降的函( a ) , a 0 ,使得對某個k , , 0 ,有成立,還假設( ? )是帶有一個正指,在零點正則變化的函,文[ 1 ]中給出並證明了形如的增的有關結論,並由此建立了( ? )的大增及連續模的定理。
  20. The results of research reveals the variation disciplinarian and the affected factor, defines the factor limiting the urban regional development. all these offer scientific references for reasonable city planning, municipal building project planning, reasonable arrangement of land use, the confirmation of land use intensity and the improving land use benefit. and a series of methods we have explored can apply the practical manipulation of grading and assessing urban land, which contribute to enhance working efficiency, shorten the time of evaluation, enhance the updating of urban land price, establish a system of dynamic superviso ry control and examination, and enhance accuracy and objectivity of urban land - rated evaluation

    再由球形檢驗和主成份分析、信度分析、多元回歸分析的技術路線,逐層遞深地解譯影響城市地價的主要因素及相互關系,其研究結果揭示了城市地價的變化規律和影響因素、明確了制城市區域發展的因素,為合理的城市規劃,市政建設項目規劃,合理安排土地用途,確定土地利用強度,提高土地利用效益等提供了科學依據,同時探索的系列化方法可直接應用於城市定級估價的實際操作中,有利於提高工作效率,縮短估價時間,提高城市地價的現勢性,建立地價動態監控和測算系統,又可提高城市定級估價的準確度和客觀性,在理論上、學術和實踐上均有積意義。
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