瞬時失效 的英文怎麼說
中文拼音 [shùnshíshīxiào]
瞬時失效
英文
transient failure瞬時失效率 transient failure rate; instantaneous failure rate-
Flame tube in aircraft engine undergoes high temperature and high speed airflow washing. a hypothesis was suggested, which takes the transient heat transferring as the main reason to the cracking and damage on flame tube. finite element method was adopted to simulate the thermal fatigue and the hypothesis was reproduced
發動機火焰筒的熱疲勞損傷是導致火焰筒失效的主要原因，本文提出了一種火焰筒熱疲勞損傷假設，認為火焰筒熱疲勞損傷不是由於發動機的運行和停車時冷熱溫度循環造成的，而是發動機啟動時瞬態溫度傳導過程中材料循環塑性變形的結果，利用該假設結合有限元計算模擬了火焰筒產生疲勞損傷的原因。Instantaneous failure intensity
瞬時失效密度Instantaneous failure rate
瞬時失效率The emulational calculating theories of traction power supply system ' s operating charts combine with actual things of engineering design at present in chapter three, to set up traction web current distributing mathematical model, integral distributing mathematical model, locomotive distribution and obtaining current model at every moment, and on which making use of mathematical planning methods to set up mathematical models is based at every moment in every instance interval of the railroads. for instance, instantaneous current, instantaneous voltage descent and effective current, main changing capacity and so on, in addition, there are the minimum power shortage model, the optimal transformer substation location, the least engineering expenditure, the optimal mathematical model of traction power supply system. optimize design ' s algorithm of traction power supply system is introduced in detail in chapter four, where programming idea and realizing method of the computer software are given an explanation
本研究主要進行了以下工作：結合牽引供電系統運行圖的模擬原理和現行工程設計的實際情況，建立了牽引網電流分佈、積分分佈、任一時刻機車分佈和取流的數學模型；應用數學規劃方法建立了任一距離區間、任一時刻的瞬時電流、瞬時電壓降數學模型和有效電流、主變容量和主變壓降、最小功率損失、最佳變電所容量、最佳變電所位置、最少工程費用、最少運營維護費用和牽引供電系統方案最優等方面的數學模型；闡明了牽引供電系統優化設計的演算法和計算機軟體編程思想及實現方法；進行了工程實例計算；最後，對牽引供電系統優化設計技術應用進行了總結。The effect of initial static load on the instantaneous response is related to the stiffness, mass and damp
在對底層邊柱突然失效的高層結構進行分析時，必須計算結構的瞬時動力響應。The finite element method is used to simulate the instantaneous response of a high - rise building with a sudden invalidation of side columns of the ground floor
摘要為研究高層建築結構整體性問題中連續倒塌問題，採用有限元方法模擬高層結構底層邊柱突然失效時的瞬時動力響應。To detect transient signals under complex background, a novel method of aliasing - free exponential bilinear time - frequency distribution is presented in this paper, which can avoid the frequency aliasing and information loss existing in the traditional bilinear distributions, reduce the cross - terms effectively and possess high time - frequency resolution
摘要針對復雜背景條件下瞬時信號的探測，提出一種新的無混疊雙線性時間頻率分佈方法，該方法能夠避免常用的雙線性時頻分佈中的頻率混疊與信息丟失，有效減小交叉項干擾，而且具有較高的時頻解析度。Using numerical simulation method, detailed dynamic pressure variations, transient gas temperature and mass flow rate in the ptr, and the coefficient of performance of ptr and the exergy losses of all parts of ptr were obtained
用數值模擬方法得到了製冷機內部各點的壓力、溫度、質量流率等參數的瞬時變化情況及整機的製冷系數，並得到了製冷機各部件的（火用）損失及整機的（火用）效率。In the 5th chapter, single steel bracket of slts under violent external load is supposed to be invalid, structural response and bearing capacity under dead load at that moment of bracket invalidation is analyzed
在第五章中，假定在外荷載的作用下，網架結構的單個支撐鋼牛腿出現失效，研究在牛腿失效瞬時結構在恆載作用下的承載能力和工作狀態。Efficacy : inject moisture with minerals into skin instantly which can be remain moist for several hours and make skin feel comfortable for a long time ; supply skin with energy, lock the moisture more efficiently and make skin softer and smoother
功效：在瞬間為肌膚注入富含礦物質的水份，並保持數小時不流失，令肌膚長時間感覺舒適；為肌膚補充能量，使其能更好的鎖住水份，使肌膚變得更柔軟更柔滑。( 5 ) basing on the exploring of the functions of cohesion force and friction force during rheology course and the assumptin that viscosity lost according viscosic strain, a constitutive model for viscous, elastic and plastic rock is set up, which can simulate the third course of creep. then the impact of transcient damage to rheology is discussed and corresponding creep model for rock is proposed
（ 5 ）在探導巖石顆粒間粘聚力和顆粒間摩擦力在巖石發生流變過程中的作用基礎上假設粘性失效按流變應變統計概率分佈，建立了巖石粘彈塑性本構關系，能夠描述巖石蠕變加速階段特徵；討論了瞬時損傷對巖石流變的影響和相應的損傷蠕變模型建模問題。分享友人