life test data 中文意思是什麼
life test data
解釋
壽命試驗數據-
Moreover, base on lots of test data, fatigue life estimation is finished by help of miner, opposite miner rule and fracture mechanics theory. theoretic results and test data are well fit to each other
另外，本文在大量試驗數據的基礎上，依據miner法則、相對minar法則以及斷裂力學理論，對40cr高強螺栓的疲勞壽命估算進行了系統研究，理論分析結果與試驗值的規律性吻合較好。 -
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。 -
The tested results showed that the collecting ring could be used for the dynamic stress test successfully and the experimental data would be used for determining load spectrum and analyzing fatigue life of spoke plate
結果表明，動態測試過程穩定，所設計和製造的集流環完全滿足試驗要求，測試數據可以用於結構載荷譜的編制和疲勞壽命分析。 -
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。 -
The existed material fatigue performance test curves are dealt with and analyzed, and the non - dimensional stress - strain curve, tangent modulus factor curve and fatigue life curve are drawn based on the experiment data, and these three non - dimensional parameter curves are used to find the inherent rules that the test curves can be replaced each other to some extent. it can be concluded that if the common character and system error of these materials are found, the test curve of a certain material can be used for reference by another material. this is a simple approach about fatigue life estimate and is engineering practical
對已有的材料力學疲勞性能試驗曲線進行分析整理，利用試驗數據繪制了相對應力應變曲線、切線模量因子曲線和疲勞壽命曲線，利用這三種無量綱參數曲線發現了其中存在的規律性，即在某種程度上實驗曲線可以互相取代，並用試驗數據對此進行了討論，並由此推斷，如果找出材料彼此的共性或彼此之間的系統誤差就可以將一種材料的試驗曲線供其它材料參考使用，這是一種估算材料的疲勞壽命的簡便方法，對工程而言具有實用性。 -
Based on the principle of the cooperation, i. e, the correlative stochastic equations are located on the same probability level, the linear regression with fuzzy weight analysis is adopted to fit the test data, and the three - parameter stress - life curves of the mean and the mean square deviation are obtained
根據協同原理，即相關聯的隨機方程動態地處于同一概率水準，採用模糊隨機加權線性回歸方法對試驗數據進行擬合，得到了三參數的應力-壽命模型均值和均方差曲線，從而求得在給定應力下各可靠度的疲勞壽命。 -
Furthermore, by integral method, all test data at different aging temperatures can be analyzed as an integration, so the prediction precision of storage life can be increased with the same specimens, or specimens can be saved in the same precision by this method
而且，固體推進劑貯存壽命整體預測方法能將各個老化溫度下的固體推進劑試驗數據作為一個整體進行統計分析，具有更大的信息量，可以提高壽命預測精度或節省大量試樣。 -
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。 -
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 -
The data from another study concerning the quality of life among aidshiv patients revealed that of 286 hivaids patients surveyed, 32 % had waited more than a year since they suspected themselves having contracted the hiv till they took an hiv test. dr lau pointed out that the results of the present study have raised the concern about a possible delay in the diagnosis and treatment of hivaids in hong kong
根據香港中文大學臨床實驗及流行病學研究中心另一項有關愛滋病感染者生活質素的調查，在本港286個患有愛滋病或愛滋病受感染者中， 32 %在懷疑自己可能染上愛滋病一年後或以上才進行行愛滋病抗體測試。 -
Guide for the statistical analysis of thermal life test data
熱壽命測試數據統計分析指南 -
Guide for statistical analysis of thermal life test data
熱時效試驗數據的統計分析指南 -
Statistical analysis of mixed data in weibull distribution from life test under stepwisely acceterated stress
三參數威布爾分佈條件下的無線電引信步進應力加速壽命試驗與數據處理 -
In this research, fatigue life of laminate composite is predicted phenomenologically, dealing mainly with in - plane stresses without accounting for out - of - plane failures such as delamination. fatigue modulus is used as a physical parameter which helps to describe the basic fatigue behaviour of unidirectional laminates and obtain expressions for cumulative damages defined by strains. based on some typical fatigue test data for unidirectional composite laminates, a cumulative fatigue damage model is presented for predicting the fatigue life of multidirectional laminates with arbitrary stacking sequence under complicated fatigue loadings
本文以碳纖維/樹脂基t300 / qy8911層壓結構為研究對象，從唯象的觀點出發，以疲勞模量為參量構造損傷函數，基於幾組最典型的單向板疲勞試驗數據，建立單向板在多軸循環應力作用下的疲勞壽命模型，並以此為基礎，發展同種材料體系的任意鋪層形式的多向層壓板在復雜循環載荷作用下的疲勞壽命預測方法。 -
Fourthly, through the accelerated life test of electrical connectors under vibration stress and statistical analysis of test data, verified that the reliability statistical model of electrical connectors is correct
第四，通過對電連接器進行振動應力下的加速壽命試驗，並對試驗數據統計分析，驗證了電連接器可靠性統計模型的正確性。 -
Fifth, through statistical analysis of electrical connector accelerated life test data, verified that the reliability statistical model of electrical connector and the reliability statistical method under doof data are both correct. applied the maximum likelihood estimate method with the least squares estimator of test data as preliminary estimate and weighted least square estimate method separate to treat the different kind test data, obtained the estimator of electrical connector reliability characteristic values
第五，採用極大似然估計法和加權最小二乘法對電連接器加速壽命試驗數據進行了統計分析，得到了電連接器可靠性特徵量的估計值，驗證了電連接器可靠性統計模型和doof數據下可靠性分析方法的正確性。 -
Moreover, the data processing method of accelerated life test is used to solve the problem of the reliability data conversion under different operating status to liquid rocket engine. and the counter power law model is introduced as the relation model between the characteristic life and the combustion chamber pressure, the accelerated life equation of the constant stress accelerated life test for the weibull distribution is obtained, through the accelerated life equation, the reliability estimate of different combustion chamber pressure is calculated
再次，採用加速壽命試驗的數據處理方法對液體火箭發動機不同工況下可靠性數據折算的問題進行了研究，引入逆冪律模型作為特徵壽命與燃燒室壓力之間的關系模型，得到了weibull分佈下恆定應力加速試驗的加速壽命方程，並通過加速壽命方程折算出不同室壓下的可靠度估計。 -
This paper also analysises the handling method of test data and the point estimation and interval estimate method for reliability life of car transmission
並以一組轎車變速器可靠性壽命試驗為例較詳細地分析了試驗數據的處理和可靠性壽命的點估計和區間估計方法。 -
Based on theoretical analysis, experimental and field test data, the method of durability evaluation and service life prediction of reinforced concrete structure exposed to chloride environments are studied in the paper
論文採用理論分析與工程實測和試驗數據分析相結合的方法，圍繞氯腐蝕環境混凝土結構的耐久性和壽命預測進行了系統的研究。 -
Thirdly, through analyzing the relation between the temperature and vibration stress and the life of connector, and combining with the theory of probability and statistics, deduce the failure physics equation, and set up a reliability statistical model. laid a foundation for working out electrical connector reliability test plans and treating electrical connectors test data
第三，通過研究環境溫度和振動應力與電連接器接觸壽命之間的影響關系，並結合概率統計理論，推斷出失效物理方程，建立了可靠性統計模型，為電連接器可靠性試驗方案的制定和試驗數據的統計分析奠定了基礎。
分享友人