模壽命 的英文怎麼說
中文拼音 [móshòumìng]
模壽命
英文
die life
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模 :
模名詞1. (模子) mould; pattern; matrix 2. (姓氏) a surname
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By means of carrying out parameterization on finite element model of certain punching - welding bridge housing and through optimization analysis, this paper realized the light weighted optimization design of punching - welding bridge housing under the conditions of letting the bridge housing to satisfy the demands of perpendicular bending rigidity, the perpendicular bending strength and the perpendicular bending fatigue life
摘要通過對某沖焊橋殼的有限元
模型進行參數化,經過優化分析,使得橋殼在滿足垂直彎曲剛度、垂直彎曲強度和垂直彎曲疲勞
壽命的條件下,實現了沖焊橋殼的輕量化設計。
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The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained
系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律;建立了相應的s - n關系,提出了縱向總應變、彈性
模量的經驗公式,及其第二階段總應變增長率、彈性
模量衰減率分別與疲勞
壽命的關系式。
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First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed
本文介紹了微動損傷的機理和微動疲勞
壽命的研究方法;利用ug軟體對燕尾榫聯接結構創建了參數化實體
模型;基於ansys軟體平臺求解彈性接觸問題,獲得了榫聯接結構接觸應力及接觸狀態量的分佈;在已有微動疲勞
壽命預測
模型的基礎上,引入載荷頻率影響因子,對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞
壽命的預測,與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞
壽命是有效的。
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Kaller & hyson can supply large and stable spring force that increase that increase the products quality. 5 million life stroke can reduce the production cost
能提供強大穩定的彈壓力量,使
模具更緊湊、可靠,大大提高產品品質。 500餘萬次的超長
壽命大大降低用戶的生產成本。
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Led module is made with led of high brightness and wide viewing angle 60, it have great ray effect, energy saving and environmental - protecting. the life time is about 50000 - 80000hours, and work with low voltage dc12v. the imput current of each module is 25ma, red, yellow, blue, green, white etc color are available
Led
模組使用
壽命長50000 - 80000hrs .
模組省電低成本: 12vdc低電壓高光效能, led
模組比霓紅燈節省電力70 % . led
模組廣角度均勻色澤: led廣告發光
模組角度范圍60 - 160度
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The research background of this dissertation is the defence pre - research item of the national tenth - five - year plan - “ research on longevous service and high reliability of satellite ”. for improving the diagnosis ability of satellite attitude control systems, this dissertation studies on the telemetering data analyzing and diagnosis based on mathematical simulation
本學位論文以國防「十五」預研項目( 02413200204242 ) 「衛星長
壽命高可靠性技術」為研究背景,為提高衛星姿控系統的故障診斷能力,對基於數學
模擬的衛星姿控系統遙測數據分析與故障診斷進行了系統、深入的研究和探索。
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The aim of this dissertation research is focused on the pre - research defense projects of “ research on longevous service and high reliability of satellite ” of the national tenth - five - year plan. for improving the capability of fault diagnosis for un - presuppose faults, we propose a new fault reconstruction technique which suits to satellite attitude control system and four novel techniques under this frame work is investigated in this dissertation
本文以國防十五預研項目「衛星長
壽命高可靠性技術」為研究背景,為提高目前衛星對無故障
模式故障的診斷能力,提出了一套適合衛星姿態控制系統的故障重構框架體系,並研究了四項關鍵技術作為該框架的支撐。
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In chapter3, we discuss the multiplicate progressive stresses accelerated life test. under the weibull distribution and an invers power law model we first present a necessary and sufficient condition for the existence and uniqueness of mle for the exponential distribution, then give estimators and confidence intervals of the parameters based on the blue. finally, we study them by using monte - carlo simulation
第三章首先指出了一組序進應力加速
壽命試驗下weibull分佈分佈參數的mle不唯一,然後給出了p組序進應力加速
壽命試驗下指數分佈的mle存在和唯一的一個充要條件,並用隨機
模擬的方法研究比較了參數估計的優良性,最後給出了p組序進應力加速
壽命試驗下weibull分佈中參數的點估計和區間估計,討論了有關問題,給出
模擬實例。
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For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr
本文對于微腔半導體激光器,提出站
模型,能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性,利用此
模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射
壽命_ ( sp )噪聲、自發發射因子噪聲、光子
壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲性能。
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A life cycle cost simulation model of complex repairable equipment
復雜可維修設備
壽命周期費用
模擬
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To overcome the shortage, in this paper, the time parametert is introduced into the structural resistance and load model, and it makes the calculation of the dynamic reliability available. 2
本文在借鑒前人研究成果的基礎上,在結構抗力
模型和荷載
模型中引入了時間參數t ,提出了一個簡單、實用的動態可靠度計算方法,為後文的可靠性評定,
壽命預測奠定了基礎。
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Questions about whether the adsorbent is endurable and whether the adsorption refrigeration equipment has effect on the performance of diesel are answered with theoretical analysis and test. numerical simulation is used in optimum design of adsorbent bed of an adsorption refrigeration prototype which is driven by exhaust heat of gas electric generator
分析了吸附製冷系統是否增加內燃機能耗和吸附劑使用
壽命等問題,並採用數值
模擬方法,對以燃氣渦輪發電機尾氣為熱源的吸附式製冷樣機,進行了吸附床結構的優化設計。
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This thesis takes cost estimating of domestic artillery weapon equipments as research object. on the basis of widely studying and summarizing the worldwidely existed achievements of theoretics and technologies of cost estimate, and according actual needs of the task, this paper establishes a suit of procedure for domestic weapon equipments " lcc estimate. then we provide the cost model for each phase of artillery equipments " life cycle
文章以我國炮兵武器裝備費用估算為對象,在全面分析了國內外費用估算已有理論知識和技術成果的基礎上,結合課題實際需要,建立了我國炮兵武器裝備
壽命周期費用的估算程序;給出了炮兵武器裝備
壽命周期各階段費用的總體
模型。
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With the massive technological upgrading and industrial upgrading, and mainframe users of the products bearing accuracy, performance, life and diversification of higher demand for the bearing industry to bring tremendous market potential, the current exhibition " in a professional, exchanges and cooperation, " as the theme, in conjunction with the " chongqing industrial development forum ", in western china to build brand event through new products, new technology exchange and display, for the industry to provide direct and effective enterprise business platform enhance enterprises with customers face - to - face exchanges and cooperation and promote the common western manufacturing development
隨著大規
模的技術更新和產業升級,主機用戶對軸承產品的精度性能
壽命及多樣化提出了更高的要求,為軸承行業帶來巨大的市場發展潛力,本屆展會以「專業交流合作」為主旨,結合「重慶工業發展論壇」 ,致力於打造中國西部的品牌盛會,通過新產品新技術的交流和展示,為業內企業提供直接有效的商務平臺,增強企業與客戶之間面對面的交流合作,促進西部製造業的共同發展。
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Also, the principle of cas module of the reliability simulator bert 2. 0 is given and a 11 stage ring oscillator is used as an example for bert to predict the lifetime of devices and circuits
概述了電路可靠性
模擬軟體bertz刀的cas ( circuitagingsanulator )
模塊的基本原理:並以十一級環振為例,運用rh刀進行了其中各個器件和總的電路
壽命的預測。
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Abstract : in this paper, we obtain the point estimetions and the approximate confidence interval of the environment factor of the lognormal distribution based on the censoring samples. the accuracy of the approximate confidence interval is studied by the simalation method
文摘:本文導出了
壽命分佈為對數正態分佈時基於截尾樣本環境因子的點估計和近似置信限,對所給近似置信區間作了
模擬研究。
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3. studying on prediction methods of the initiation life of aero - gear using shakedown analysis methods in order to directly consider in a quantitative way the details of stress - inelastic strain responses, residual stress and residual strain computations, fatigue crack initiation life was evaluated in aero - gear by using th
利用chaboche的材料
模型,研究了航空齒輪韌性材料在彈、塑性安定下的輪齒接觸疲勞裂紋萌生準則,該研究結果與相關的齒輪實驗結果比較分析表明:塑性安定下的疲勞裂紋萌生預測方法預測航空齒輪的萌生
壽命是較安全的。
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Cold punch die failure type has been introduced with analysis of characteristics of variety of failure and causes and mechanism
摘要
模具失效是影響其使用
壽命和生產效益的重大技術問題。
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In this paper, we study the type - i life test of lognormal, normal and weibull distributions with large numbers of samples, get the approximate confidence regions of the parameters, and do many stochastic simulations on the theoretical basis with computer
本文研究了大樣本定時截尾
壽命試驗下對數正態分佈、正態分佈和weibull分佈參數的近似置信域,並在理論基礎上進行隨機
模擬。
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Abstract : in the light of two common failure modes in use, i. e. thermal wear and hot fatigue crack, this paper analyzes the reasons and puts forward the measures to be taken for improving the life of forging die
文摘:針對鍛模在使用過程中常見的兩種失效形式,即熱磨損和熱疲勞裂紋,分析了其產生的原因,並提出了為提高鍛模壽命而應採取的措施。