穩性因數 的英文怎麼說

中文拼音 [wěnxìngyīnshǔ]
穩性因數 英文
stability factor
  • : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • : Ⅰ動詞[書面語] (沿襲) follow; carry on Ⅱ介詞1 [書面語] (憑借; 根據) on the basis of; in accord...
  • : 數副詞(屢次) frequently; repeatedly
  1. To attain the high - power, well - proportioned and steady high - energy particle beam is the base of analyzing beam loss. the factors that influence the emission performance of the filament are analyzed, and the parameters are calculated. the experiment results proved the correctness of analyses

    獲得大功率、均勻、定的高能粒子束是進行束流損失分析的基礎,本文分析了影響燈絲發射特素,對燈絲各參進行了設計計算,實驗證明了分析的正確
  2. So it can be used as both sensor component and driving component. pzt have better electromechanical coupling coefficient, piezoelectric constant, mechanical quality factor, curie temperature and stability, etc. so, pzt can be used widely in smart materials and structure

    與其它壓電陶瓷相比,鋯鈦酸壓電陶瓷( pzt )有較好的機電耦合系、壓電常、機械品質、居里溫度和等,此, pzt能廣泛應用於智能材料結構中。
  3. Based on the study of transferring characteristics of the lcc - type resonant voltage, the parameter combinations, which make widths and magnitudes of voltage pulses of resonant network adjustable, arededucedo when the following requirements are met : fn > 3, k > 3 or cp / cs > 8, the above circuit is of natural voltage - stabilized characteristics, thus open - loop control method for bucking voltage is presented and the experimental results verify that the method is feasible.,

    實測整機在額定負載時效率達到88以上。在研究lcc諧振網路電壓傳輸特的基礎上,推導出滿足可變寬度和幅度的諧振網路輸出電壓脈沖列的參組合。設計f n 3 、 k 3或c _ p / c _ s 8時,諧振網路具有自然壓特此本文提出並實驗驗證了一種整機為降電壓時的開環控制策略。
  4. It also studies the causes of the checkout and the flexibility of employment result. it concludes that the increase of the economy is not the granger cause of nominal employment growth, that is to say, the increase of economy in china doesn ’ t promote of the nominal employment. the decline of the nominal employment elasticity from 1999 is not only because of the improvement of technology, the imbalance of the industry structure, transformation of system and the policy of interest rate, but also because of the inexact statistic data which makes the real employment underestimated

    本文首先利用1978年至2003年的有關據對我國經濟增長與名義就業的關系作了分析:根據有關計量經濟學理論,對據作了平檢驗、協整檢驗和格蘭傑果檢驗,用建立回歸模型的方法測算出名義就業彈,並對檢驗結果和就業彈測算結果作了原解析,認為我國的經濟增長不是名義就業增長的格蘭傑原,即我國的經濟增長沒有促進名義就業的增長,我國的名義就業彈自1990年以來呈下降趨勢,其原除了技術進步、產業結構失衡、體制轉軌和利率政策外,還有由於統計的原使得真實的就業增長被低估。
  5. In the course of stowage of heavy article, officers and engineers concertrat their attention on the calculation of vessel " s parameters and the limitation that be bringed by many factors to loading position, and don " t think much of the affection of awkward lengthy cargo " space size to loading position

    在一般的重大件貨物積載過程中,往往側重於船舶的吃水、吃水差、高度和傾角各參及各素對裝貨位置的限制,不太重視重大件貨物的空間形狀大小對裝貨位置的影響。
  6. The influence that the zr / ti ratios have on the ceramic crystal structure and its properties are studied through the research carried out about the relative respects of the fabricated samples. the increase of zr / ti ratio can result in the crystal structure transformation from the tetragonal to the rhombohedral, it can also induce the weakness in the stability of the ceramic crystal structure, for example, the drop in the curie temperature. in order to enhance the relative low mechanical quality factor of pzn - pzt system piezoceramics, component addition pb ( mn1 / 3sb2 / 3 ) o3 ( hereafter abbreviated as pms ) are introduced in to form a new psudo - tetragonal system ceramics

    為獲得具有高的機電耦合系kp ,高的機械品質qm的高能壓電陶瓷,採用二次合成法制備了不同zr ti比的鈮鋅酸鉛-鋯鈦酸鉛基( pzn - pzt )三元系壓電陶瓷材料,研究了zr ti比變化對陶瓷結構和能的影響規律,發現zr ti比增大除了可以使陶瓷的相結構由四方相向三方相轉化外,還降低了陶瓷的結構的,使tc溫度下降。
  7. In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface

    本文從剖析剛體極限平衡法的理論基礎、計算方法、參選取、適用條件等方面入手,剖析了剛體極限平衡方法的3點自身缺陷和6點不足,並在此基礎上採用了剛體極限平衡法(平面滑動破壞法、 sarma法、傳遞系法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法)與大型有限元法對比研究的方法,分析研究了平面直線型滑坡、平面折線型滑坡、平面圓弧型滑坡在漸進破壞中邊坡的滑體彈塑、滑麵塑) 、滑床的彈塑、以及極限平衡法無法考慮開挖應力釋放等素對邊坡的影響與滑動面上的正應力、剪應力分佈規律、安全系的解答的差異。
  8. Several key techniques of carving and milling machine cnc system are deeply studied they include : the transformation, data rebuild and interface design of huge volume nc program produced by cam ; the algorithm of cubic parametric spline pre _ interpolation and high speed real time interpolation in the cnc system, which. will gain a much higher surface precision and cutting speed ; methodology and algorithm of movement velocity acceleration control on a real time forecast _ and _ prejudge basis is designed. therefore, a smooth movement is insured. the shake and noise problem caused by non _ uniform pules for driving stepping or servo motor is solved by an improving algorithm to generate uniform pules

    同時,本文對基於統一的pc平臺的雕銑機控系統中的幾項關鍵技術進行了深入的研究,包括: cam生成加工程序的傳送、接收、讀取及其加工鏈表的生成和實時重構;對cam生成的離散據進行三次參樣條插值和基於累加弦長的三次參樣條插補控制,保證加工工件表面的精度和光順;設計具有「前瞻」功能的自動升降速控制方法,保證加工過程的平;通過脈沖均勻化,有效地解決加工過程中為脈沖不均勻而引起的震動問題。
  9. The testing results showed that the material with good friction stability and high dynamic mechnical properties was an idea brake friction material

    經檢測,該材料力學能較高,摩擦定,摩擦在0 . 45 ~ 0 . 60 ,同時具有較好的耐磨
  10. The main purpose of udt is to provide a high performance transfer interface to distributed data intensive ( 集中 ) applications over a wide area network, where tcp seldom ( 很少 ) works well for efficiency ( 效率 ) and fairness ( 順利 , 公平 ) reasons

    設計udt的主要目的是,在出於效率和平素考慮, tcp很難正常工作時,提供一個高能的傳輸介面,用來在公網上,分佈據集中的應用。
  11. It is shown by structural seismic response of four wavelets that littlewood - paley wavelet is not suitable for structural seismic response, because structural response is too small, meyer wavelet is a better wavelet for structural seismic response, for it ' s structural response is agreement with the finite element method, and also harmonic wavelet, structural response under earthquake is a little bigger than finite element method, structural response under odd exponent wavelet is also bigger than finite element method, this method is very simple by wavelet transform, wavelet transform method is different from old methods, one is with which not only knows the effects of earthquake wave detail frequency - band on structural response, but also considers earthquake wave ' s non - stationary of frequency and time - domain value, another is the second mode shape and higher mode shape response that do n ' t attenuate so fast

    通過對這四種小波的結構地震反應分析研究說明: littlewood ? paley小波不適合於用來作結構地震反應分析,為在littlewood ? paley小波下的結構地震反應太小,不符合實際情況;用meyer小波作結構地震反應分析比較合適,和有限元法的結果比較接近;也可以用諧波小波來作結構地震反應分析,只是在諧波小波下的結果略為偏大;單邊指小波下的結構地震反應分析比有限元法稍大一點,它通過小波變換大大簡化了結構地震反應分析。用小波變換方法來進行結構地震反應分析和以往方法不同的是:它不僅可以知道地震波的具體頻率段對結構反應的影響,而且同時考慮了地震波的幅值非平以及頻率非平;另外與以前方法得到的結果有差異的是,第二振型及以後的高一點的振型的反應沒有以前的方法衰減得快。
  12. In this paper, optic gyro is viewed as the object of investigation and several aspects is investigated as follows. two important indexes - bias instability and scale factor were measured and investigated, including bias, its repetitiveness, temperature sensitivity, random walk coefficient and scale factor, its nonlinearity, asymmetry, repetitiveness. we make use of the allan variance method to separate the noise factors which affect the performance of the optic gyro, such as the angle random walk, bias instability, rate random walk, rate ramp, quantization noise, markov noise and sinusoidal noise

    本文以光學陀螺為研究對象,開展了以下幾方面的研究工作:本文對光學陀螺能的兩個重要指標?標度和零偏進行了較為詳細的研究,其中包括陀螺的零偏b _ 0 、零偏重復b _ r 、零偏溫度靈敏度b _ t 、隨機遊走系rwc和標度k 、標度的非線k _ n 、標度不對稱k _ h 、標度重復k _ r等等。
  13. Because the finite element method consider the relation of stress - strain of rock soil, so, it is more accurate and rational than other methods that it calculates side slope stability coefficient. the paper takes the road bed landslide as an synthetical protect system to the prevention of the slope, through the analysis of the origin cause of formation and stability analysis of different position, and adopting different methods to carry on rational and effective protection after studying different positions, in order to put forward the synthetical protection system

    由於有限元計算方法考慮了巖土的應力? ?應變關系,此,其求解的邊坡定系比其它方法更為精確合理。而對于滑坡的防治本文則採取了路基?滑體綜合防護體系,通過對滑坡成的分析及不同部位的分析,研究了不同位置採用不同的方法進行合理有效的防治,以求形成綜合防護體系。
  14. Lactide were investigated. the key factors affecting the polymer intrinsic viscosity were found to be monomer recrystallization times, stannous octoate concentration and polymerization time. the thermal stabilizing agent did not significantly affect the polymer molecular weight. the polymer with a viscosity average molecular weight beyond 200000 was fairly reproducible by optimizing the polymerization conditions. it was found that poly

    單體重結晶次辛酸亞錫濃度聚合時間等條件均是影響聚合物特的重要素。熱定劑對聚丙交酯的分子量幾乎沒有影響。優化聚合條件可以獲得粘均分子量大於200000的聚丙交酯材料,聚合結果具有良好的重復
  15. This article uses the modem consumption theory to study chinese fanner ' s consumer behavior and sets up error - correction model as econometric model on the basis of implementing stationarity test to the data of the model, and concludes that the uncertainty, excess sensitivity and the fanner ' s life - cycle characteristic are important factors to affect fanner ' s consumer behavior

    摘要本文運用現代消費理論對中國的農民消費行為進行研究,在對模型的據進行平檢驗的基礎上,建立誤差修正模型作為計量模型,認為農民面臨的不確定、農民消費的過度敏感和農民消費行為的生命周期特徵是影響農民消費行為的重要素。
  16. According to the requirements of amendments to the international convention for the safety of life at sea, 1974 ( solas, 1974 ) - safety measures for bulk carriers and the regulations on subdivision and damage stability of cargo ships, the condition of equilibrium and subdivision index after the foremost cargo hold flooded for five bulk carriers are calculated and checked ; the cause that do not satisfy the requirements is analyzed and the reconstructing measures and suggestions for designing a new ship are given in this paper

    根據solas修正案散貨船的安全措施及貨船分艙和破艙的各項條款的要求,計算並校核了五條散貨船第一貨艙破損進水后的平衡狀態和船舶分艙指,分析了不滿足要求的原,探討了具體的改造措施,提出了新船設計的建議
  17. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路器所造成的事故無論是在次,還是在事故所造成的停電時間上都占據總量60以上。此,及時了解斷路器的工作狀態對提高供電可靠有決定意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路器機械特監測方法;提出了二次迴路保護器的概念,並將跳、合閘線圈完整監視和二次迴路保護結合起來,給出具有完整監視功能的二次迴路保護器實現方案;根據斷路器生產廠家提供的斷路器額定短路電流分斷次,計算每次分閘對應的觸頭電壽命損耗,預測觸頭電壽命;提出根據斷路器殼體溫度和斷路器周圍空氣溫度結合斷路器熱阻來計算斷路器主觸頭態溫升的方法,並根據此時的負荷電流間接計算主觸頭迴路的電阻;在硬體電路設計上,採用美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適用電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。
  18. The methodology adopted by most existing cam / cnc systems, which uses huge amount of linear segments to approach the original shape and make linear interposition increases the cost of memory size and communication work of the cnc system tremendously. a new approach based on cubic polynomial and b spline interposition to rebuild the cam generated tool path under real time condition is presented in the paper. applications on cnc machine tools showed that the presented approach improves the machining accuracy and increases the cutting speed significantly

    目前大多cam / cnc系統採用大量小直線段逼近原始曲線和直線插補的做法,只能獲得零階連續的走刀軌跡,逼近精度低,不能保證高速加工運動的平而加工精度、光潔度和加工速度都難以提高;由小直線段構成的nc代碼據量龐大,也增加了控系統在內存容量和據傳輸方面的成本。
  19. A detailed model of non - linear parametric excitation vibration coupling the stay cable and the girder, in which the static sag as well as the geometric non - linearity are considered, is proposed in this paper. based on several numeric examples investigated by the galerkin method composed with the integration strategy, several kinds of factors effecting stay cable parameter vibration are studied. another parameter vibration model by the axial excitation is presented and the corresponding nonlinear equations are derived

    本文創新地提出了斜拉橋拉索-橋面耦合參振動模型,推導了索-橋耦合非線振動方程組,聯合galerkin法及值積分方法,對各種特的拉索進行了值求解,得出了影響拉索參振動的各種素;提出了斜拉索受軸向端激勵參振動模型,導出了模型的非線振動方程,使用諧波平衡法得出了產生參振動需要的最小激勵幅值、共振時瞬態及態的振動幅值及索拉力的變化特,並用值積分方法對實際斜拉橋拉索進行了計算,分析了拉索阻尼對參振動的影響。
  20. But in more situations the random variables generating counting processes may not independent identically distributed, and in all kinds of dependent relations, negative association ( na ) and positive association ( pa ) are commonly seen. the research and apply in this aspect are rather valuable. in chap 2 we prove wald inequalities and fundamental renewal theorems of renewal counting processes generated by na sequences and pa sequences ; in chap 3 we are enlightened by cheng and wang [ 8 ], extend some results in gut and steinebach [ 7 ], obtain the precise asymptotics for renewal counting processes and depict the convergence rate and limit value of renewal counting processes precisely ; at last, in the study of na sequences, su, zhao and wang ( 1996 ) [ 9 ], lin ( 1997 ) [ 10 ] have proved the weak convergence for partial sums of stong stationary na sequences. however product sums are the generalization of partial sums and also the special condition of more general u - statistic

    但在更多的場合中,構成計過程的隨機變量未必相互獨立,而在各種相依關系中,負相協( na )和正相協( pa )是頗為常見的關系,這方面的研究和應用也是頗有價值的,本文的第二章證明了na列和pa列構成的更新計過程的wald不等式和基本更新定理的一些初步結果;本文的第三章則是受到cheng和wang [ 8 ]的啟發,推廣了gut和steinebach [ 7 ] )中的一些結論,從而得到了更新計過程在一般吸引場下的精緻漸近,對更新計過程的收斂速度及極限狀態進行精緻的刻畫;最後,在有關na列的研究中,蘇淳,趙林成和王岳寶( 1996 ) 》 [ 9 ] ,林正炎( 1997 ) [ 10 ]已經證明了強平na列的部分和過程的弱收斂,而乘積和是部分和的一般化,也是更一般的u統計量的特況,它與部分和有許多密切的聯系又有一些實質的區別,此,本文的第四章就將討論強平na列的乘積和過程的弱收斂為計過程也是一種部分和,也可以構成乘積和,這個結果為研究計過程的弱收斂作了一些準備。
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