life test 中文意思是什麼

life test 解釋
耐久試驗
  • life : n (pl lives)1 生命,性命。2 一生;壽命;【原子能】(亞原子粒子的)生命期;使用期限,耐久性。3 ...
  • test : n 1 檢驗,檢查;考查;測驗;考試;考驗。2 檢驗用品;試金石;【化學】試藥;(判斷的)標準。3 【化...
  1. Ball valve - potential pressure life test regulation

    球閥.靜壓壽命試驗規程
  2. Butterfly valve - potential pressure life test regulation

    蝶閥.靜壓壽命試驗規程
  3. Globe valve - potential pressure life test regulation

    截止閥.靜壓壽命試驗規程
  4. Statistical analysis of accelerated life test on lognormal distribution case under type i censoring

    對數正態分佈定時截尾樣本下加速壽命試驗的統計分析
  5. 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。
  6. It is designed according to electrical stove or microwave oven request. heating pipe adopts high temperature resistance mgo powder as the insulation medium and the stainless steel case is passed oxidation deal through the advanced web band protection oven 1050c in order to become the a special oxidation layer and improve the high temperature oxidation and bittern corrosive performance of the heating pipe. the heating tube has high power density and strong heat radion. this product with good safe performance can work normally after 3000hrs life test

    加熱管選用耐高溫氧化鎂作絕緣介質,不銹鋼外殼經過先進的網帶氣體保護爐1050的氧化處理,形成一種特殊的氧化層,提高電熱管的抗高溫氧化及鹽鹵的腐蝕性能。電熱管的功率密度較高,熱輻射能力強。產品經長達3000h的壽命試驗后,仍能正常工作,安全性能好。
  7. Steady state temperature humidity bias life test

    穩定狀態溫度濕度對壽命影響的試驗
  8. Life test 1. 5 times rated voltage at 85 for 500hours

    壽命測試85 , 1 . 5倍于額定電壓條件下工作500小時
  9. Second, carried out the fatigue life test of the truck ' s front axles adopted grouping fatigue life test method, calculated the results on theory of probability stats, linear fitted the fatigue life data by means of the basquin equation and least squares method, acquired the mathematical model of s - n and p - s - n curve of the front axles

    其次,採用成組試驗法,對汽車前橋進行了疲勞壽命試驗,藉助概率統計方法對試驗結果進行了分析計算,得到了各試驗載荷下的疲勞壽命的正態分佈的均值和標準差,採用basquin關系式和最小二乘法對疲勞壽命數據進行線性擬合,得到了前橋的s - n和p - s - n的關系。
  10. The core adopts cr20ni80 which is covered by silicon rubber insulation material. there also is heat conducting media outside of heating line with life time of over 1200h according to qb t1296 - 91electric heater for fridge 5. 12. 3, heating cable should bear 1. 15 times of the input voltage and 50 day continue life test

    使用壽命可連續達到1 200小時以上根據qbt 1 29691家用電冰箱用電熱線5 , 123 ,電熱線應能承受額定輸入電壓的115倍,連續通電50天的壽命試驗。
  11. This method can be applied to the data of product usage and life test, namely, to access the confidence lower limit for the mean residual life under the condition of product normal working period at a certain given probability, which gives the reference for the plan of instrument life prolong and maintenance

    使用該方法,利用產品的使用及壽命試驗數據,即可對產品在給定概率下和正常工作一定時間后的平均剩餘壽命置信下限進行評枯,為延壽使用及維修計劃的制定提供依據。
  12. 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。
  13. Accelerated life test of electric heating wires and rolled wires

    電熱絲和軋制線材的加速壽命試驗
  14. Plug valve - potential pressure life test regulation

    旋塞閥.靜壓壽命試驗規程
  15. Under operation system of dos and windows, control software is developed respectively. the wave of voltage and current as the ac contactors switch - on and switch - off is displayed dynamically, which make the equipment not only used as general electric life test instrument, but can apply test date for contactor study

    在控制軟體方面,分別完成dos平臺和windows平臺控制軟體設計,實現了交流接觸器觸點閉合與斷開時刻電壓、電流波形動態顯示功能,使該裝置不僅能作為交流接觸器常規電壽命試驗裝置,還對接觸器觸點的研究提供必要的試驗數據。
  16. Finally, bayesian fusion algorithm with weibull distribution has been studied in detail by using he - ne laser life test data., which includes three aspects, that is, the selection of weibull distribution model, the posterior distribution of weibull parameters with multiple a priori information and the dynamic modeling method of weibull distribution parameters under the condition of different test environments

    最後,結合he - ne激光器壽命試驗數據,重點研究了威布爾分佈的bayes融合估計演算法,主要包括以下三個方面的問題,即:威布爾分佈模型選擇、多源驗前信息的威布爾分佈參數的驗後分布、不同環境下的威布爾分佈參數的動態建模方法。
  17. Department perfect test, which can be made into various mechanical properties such as : tension tests, strength tests slide, terminal testing ; electrical performance test items include : insulation resistance testing, contact resistance testing, testing withstand voltage, high and low test, solderability test, durability testing, vibration - resistant testing, life test

    完善之測試部,能作各項機械性能測試如:拉力測試、插撥力測試、端子強度測試;電氣性能測試項目計有:絕緣電阻測試、接觸電阻測試、耐電壓測試、高低測試、可焊性測試、耐久性測試、耐振測試、壽命測試等
  18. Reliability calculation of zero - failure data in life test

    產品壽命試驗中無失效數據的應用方法研究
  19. Automotive storage batteries, life test for

    汽車蓄電池的壽命試驗
  20. Guide for the statistical analysis of thermal life test data

    熱壽命測試數據統計分析指南
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