指數極限 的英文怎麼說

中文拼音 [zhǐshǔxiàn]
指數極限 英文
exponential limit
  • : 指構詞成分。
  • : 數副詞(屢次) frequently; repeatedly
  • : 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
  • 指數 : 1. [經] (比數) index number; index 2. [數學] exponent
  • 極限 : 1 (最高的限度) the limit; the maximum; the ultimate limit; limitation; extremity; tipping point...
  1. We compare the approximation of an analytic function f by its taylor polynomial and its poisson partial sum with the same number of terms and illustrate that for functions with limit zero at infinity and for bounded functions the poisson expansion provides a better approximation to the function than the taylor expansion

    在第三章中,介紹了rb曲線與poisson曲線的概念以及基本的幾何性質,出了poisson基函與有理bernstein基函之間存在的關系,並且將解析函的taylor逼近與poisson逼近進行比較。實例表明,對于在無窮遠處為0的函以及有界函, poisson逼近比taylor逼近效果要好。
  2. In this paper, canonical ensemble theory is applied to investigate the second virial coefficient of a classical mixed gas and the limitative expression of the second virial coefficient formula is discussed ; in the meantime, the application of the investigation conclusion is put out

    摘要本文應用正則系綜理論研究了經典混合氣體的第二維里系,並討論了各種情況,同時出了所得結果的實際應用。
  3. 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,探討了定量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
  4. 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量逐漸增加,植物群落功能群構成逐漸豐富,群落間多樣性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。
  5. For a maximal subgroup m of a finite group g the normal index of m is the order of a chief factor h / k where h is minimal in the set of supplements of m in g. in this paper we can obtain some results about solvability and supersolvability by using the normal indexes of maximal subgroups of finite groups

    群g的大子群m的正規g的主因子h k的階,其中h為m在g中的小正規補。本文利用正規的概念,獲得有群可解,超可解的若干結果。
  6. 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:隔離批檢查用以質量為標的抽樣方案
  7. Taking an ultimate deflection more than 1 / 50 of calculating span as the determinant term, by the means of numerical analysis and regress equation respectively, this paper discusses the reasonable stretching controlling stress of usual span and reinforcement slabs for design reference

    撓度達到跨度的1 50作為延性破壞的判定標,本文分別運用值分析程序試算和回歸方程得出了常用跨度、常用配筋的中強( 1270mpa )螺旋肋鋼絲預應力混凝土空心板的張拉控制應力的取值,供設計參考。
  8. Noise margin refers to the maximum noise voltage that can be added to the generated signal in a digital circuit before an undesirable change is caused in the circuit output

    噪聲就是可以加在字電路的正常信號上,而又不對正常輸出造成危害的最大噪聲。
  9. | | 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,在零點正則變化的函,文[ 1 ]中給出並證明了形如的增量的有關結論,並由此建立了( ? )的大增量及連續模的定理。
  10. The paper studies systematically some methods which are applied to analyze the whole stability safety coefficient fs of soil - nail bracing, and discusses the merit and short - comings of the vertical limit slice methods

    本文系統的研究了用於分析土釘支護結構整體穩定安全系f _ c的多種方法,出了垂直條分法的優缺點。
  11. Thereafter, the fractal dimension value of cracks distribution was presented as an effective index to appraise the corrosion level. relations between fractal dimension and rebar corrosion ratio, concrete deterioration factor and strength of the member were studied respectively. fractal nn model was also built up to predict the ultimate load bearing capacity of crc members obtained from the field corroded structures, good results are achieved, which could provide an applicable method to evaluate the durability of crc members

    揭示出受腐蝕鋼筋混凝土構件在荷載作用下表面裂縫分佈服從統計意義上的分形,並對其進行了分形描述;提出以裂縫分形維作為受腐蝕程度的有效衡量標,首次實現了構件受腐蝕程度的定量描述;建立了裂縫分形維與鋼筋銹蝕率、混凝土劣化系、構件承載力之間的定量關系,並建立了分形神經網路模型對實際受腐蝕鋼筋混凝土構件進行了承載力的預測,取得了較好的預測效果。
  12. So the methods of design and computing about limit condition of bearing capacity is still adopted in present criterion. under the precondition of meeting the demand of construction ' s using function, the main content that is researched in this article is how to make the scheme of mixed soil - cement piles composite ground on the safe side economical and reasonable, according to the rule of the design for deformation control the article, which is based on formers " theory and practice, combining with the example of engineering, utilizing the tool of matlab. 5. 0, using optimizing by plural modality method, makes a primary discussion on the design parameter of the scheme for mixed soil - cement piles composite ground, according to the rule of the design for settlement controlment method

    在現行規范中仍然採用的是承載力狀態設計計算方法。在滿足建築物使用功能要求的前提下,如何按照變形控制設計的原則,使得水泥土攪拌樁復合地基方案更加安全可靠、經濟合理,是本文研究的主要內容。本文在總結前人的理論和實踐成果的基礎上,結合工程實例,利用matlab . 5 . 0工具,採用復形調優法,按沉降控制設計原則,對水泥土攪拌樁復合地基方案設計參的優化進行了初步的探討,得出了一些有益的結論,對工程實踐具有一定的導意義。
  13. Challenges logical extremes, there are various degrees of difficulty to choose, like logical thinking, you can never missing oh operations guide : use a mouse should figure should choose the location

    挑戰邏輯,有各種難易度的選擇,喜歡邏輯思考的你,絕不可錯過哦操作南:使用鼠標選擇應當字應該出現的位置
  14. Introduction : challenges logical extremes, there are various degrees of difficulty to choose, like logical thinking, you can never missing oh operations guide : use a mouse should figure should choose the location

    攻略:挑戰邏輯,有各種難易度的選擇,喜歡邏輯思考的你,絕不可錯過哦操作南:使用鼠標選擇應當字應該出現的位置
  15. At last distribution functions of load modes in life service are presented. based on the resisting force model and load model, the limit state equations of rc bridge are formulated. according to the resisting force is time - dependent and vehicle load is the non - gaussian distribution, jc method is applied to calculate the time - dependent reliability index of rc bridge

    在抗力衰減模型及橋梁荷載模型的基礎上,將可靠度理論引入橋梁結構的評定中,推導出了橋梁結構耐久性狀態方程,並根據耐久性狀態方程中抗力是時間的函,以及車輛荷載為非正態分佈的特點,應用當量正態法( jc法)編制相應的程序計算橋梁構件的時變可靠度標。
  16. The result of macro - quality experiments show : mineral admixtures markedly slow the hydrating velocity of cement slurry, decrease and delay the hydrating max - temperature, in which steel slag is more effective ; expansive agents compensate concrete shrinkage, enhance the concrete dense degree, strengthen the interfacial layer between fiber and cement matrix and improve the physical mechanics qualities of acic ; minimal admixtures markedly improve the concrete workability property, increase the concrete later intensity & density and the capability of anti - chemical attack and anti - permeability ; hybrid fiber reinforces the toughness of obviously acic by the means of anti - cracking effect of fiber with different sizes and different properties in the corresponding construction levels

    實驗結果顯示:鋼渣摻合料能顯著減緩水泥漿體水化速率,降低砂漿的水化溫升並延遲最高溫升時間;補償混凝土收縮,提高混凝土密實度,加強纖維與水泥石的界面粘結,增強混凝土力學性能,但不能明顯改善混凝土韌性。混雜纖維通過纖維的不同尺度與不同性質在相應的結構層次上產生阻裂效應,增韌鋼渣防滲抗裂混凝土;增加混凝土的破壞能,大提高混凝土抗彎曲能力和韌性,改善混凝土脆性。
  17. The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0

    在更寬的溫度范圍、壓差范圍內,在不同原料氣組成(即不同的氫氣分壓)條件下,對所制備的鋯表面改性膜進行了滲氫性能實驗,考核了膜對氫的唯一選擇滲透性,結果表明:在四質譜的檢測下內,只有氫氣存在,而無雜質氣體通過;在593k 773k溫度范圍內,鋯表面改性選擇滲氫膜具有高於鈀膜十倍至十幾倍的滲氫流量和滲氫系;其滲氫流量隨著膜兩側氫分壓平方根摘要差的增大而增大,並且呈線性關系;壓力對膜的滲氫系幾乎無影響;膜的滲氫系隨著溫度的升高而下降,井巨呈關系:根據對實驗據所作滲氫系與溫度關系曲線的擬合,在溫度593k 773k范圍內,壓差p 、 0二0
  18. Some strong limit theorems of random sequence based on exponential distribution

    隨機序列基於分佈的若干強定理
  19. This paper chose ca ^ - p as the index, based on its sensitiveness, stability, representatively and measurability : figured out the endogenesis geographical point of soil phosphorus equilibrium ( of ck treat ) as 3. 2mg / kg, the exogenous geographical points of soil phosphorus equilibrium of - p, 1 / 2p ( p2o5112. 5kg / hm : ) and complete p ( p2o5225kg / hm2 ) as 3. 6 mg / kg, 8. 6 mg / kg, and 14. 2 mg / kg respectively

    本研究根據代表性原則、靈敏性原則、穩定性原則和可度量原則,選定ca _ 2 - p作為雄縣土壤磷素地理平衡點的描述標,根據灰色系統預測理論,用學求的方法,得雄縣土壤磷素內源地理平衡點( ck處理)為3 2mg kg , - p 、 1 2p ( p _ 2o _ s112
  20. It is important to study the structures of finite groups by combining some subgroups with some properties in the researches on finite groups. in this paper, we discuss the following : ( 1 ) the relations between the - pairs of maximal subgroups and c - normality, weak c - normality, s - normality, the normal index of maximal subgroups ; ( 2 ) some results on solvablity of finite groups that are obtained by using the s - normality of subgroups ; ( 3 ) the - pairs of general proper subgroups of finite groups as the generalization of the - pairs of maximal subgroups that is used to describe c - normal subgroups, weak c - normal subgroups and s - normal subgroups, by which some new results on finite groups are obtained ; ( 4 ) some new results on p - quasinilpotent groups and p * - nilpotent groups

    本文在前人的基礎上,討論了以下內容: ( 1 )大子群的子群偶和c正規性、弱c正規性、 s正規性、正規之間的關系; ( 2 )利用s正規性得到了關于有群可解性的幾個結果; ( 3 )將大子群的子群偶推廣為有群的一般真子群的偶,證明了有群的c正規、弱c正規以及s正規子群都可以用一般真子群的偶來描述和幾個新的結果; ( 4 )研究p擬冪零群和p ~ *冪零群,得到了一些新的結構定理。
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