service life evaluation 中文意思是什麼

service life evaluation 解釋
使用壽命鑒定
  • service : n 塞維斯〈姓氏〉。n 1 服務；工作；公務；職務；事務；業務；行政部門（人員），服務機構（人員）。2 ...
  • 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 ...
  • evaluation : n. 1. 估價，評價。2. 【數學】賦值，值的計算。
  1. Research on chloride ion permeability and service life evaluation of crumb rubber concrete

    抗氯離子侵蝕研究及其使用壽命評估
  2. Predicting service life of reinforced concrete component is a problem that need be resolved urgently, since it can be used for reinforced concrete structure durability design, evaluation and maintenance strategies decision

    鋼筋混凝土構件耐久壽命的預測是鋼筋混凝土耐久性設計、評估和結構維修決策急需解決的問題。
  3. Several key problems and their technical settlements were expounded emphatically, such as the accelerated corrosion test technique for aircraft structure under laboratory conditions, the evaluation technique for corrosion damage of anticorrosive coats, the distribution characteristics and their variation regularities of the corrosion damage and fatigue life, the corrosion equivalent relationship between the accelerated environment and the service environment, and the methods for theoretical analysis of the calendar life

    重點對腐蝕環境下飛機結構加速腐蝕試驗技術、防腐塗層腐蝕損傷評定技術、腐蝕損傷和疲勞壽命的分佈特性及其變化規律、腐蝕當量關系和日歷壽命理論分析方法等幾個關鍵問題及其技術途徑進行了闡述和探討。
  4. This paper expounds the meaning of ecological security, including the international and domestic discussion, the characteristic and research meaning of ecological security, and then expounds the definition of ecological security evaluation and research development on it. on the basis of this, the author puts forward the definition of grassland ecological security, named that within the range of specific space and time, the inherent structures, outside show and function of grassland ecosystem lies in a state that under existing natural environment pressure and social economic pressure and the mankind ' s positive responses, support and influence that its ecological service can offer to mankind ' s surviving and continuous development of society and economy make human life, production, health and development being in security ; at last expounds the principle of grassland ecological security evaluation and introduces some relevant evaluation methods

    本文論述了生態安全的涵義，其中包括國際、國內對其定義的探討以及生態安全的特點和研究意義；接著論述了生態安全評價的定義及其研究進展；在此基礎上，提出草原生態安全的概念，即在具體的時空范圍內，草原生態系統的內在結構、功能和外部表現，在現有的自然環境壓力和社會經濟壓力以及人類的積極響應之下，其所能提供的生態服務對人類生存和社會經濟持續發展的支持和影響，使人類的生活、生產、健康和發展不受威脅的一種狀態。
  5. On the basis of collecting and processing many datum and materials. firstly. this paper analyzes main activities and cost constitutions of each stage of the life cycle of a fcs, and lay a foundation for later analysis and evaluation of system lcc. secondly, a basis method and usage range for estimating the system lcc are introduced. a multivariate linear regression model of pcs development cost and cost driven factor is built by use of the parametric method and supplies the base of cost estimation of newly - developed systems. thirdly, combine actual examples and make statistical analysis of lcc of a certain pcs developed by our institute, predict unhappened usage and service cost with grey prediction method, obtain proportion of each constitute to the lcc. forthly, according to actual conditions, use the fuzzy theory to overall evaluate efficacy of the fcs, fifthly, combimng our actual conditions, investigate specific measures of how to implement the life cycle cost management in our institute and put forward a new conception of developing web - based flight control system lcc management information system with pdm as the platform. at last, investigate important factors such as reliability and maintainability that may affect the life cycle cost of the fcs in detail, and put forward specific methods of lowering the life cycle cost of the fcs

    論文在收集和整理大量資料的基礎上，首先深入分析了飛控系統壽命周期各階段的主要活動以及各階段的費用構成，為以後系統壽命周期費用的分析和評價奠定了基礎；其次，介紹了壽命周期費用估算的基本方法和使用范圍，並利用參數法建立了飛控系統研製費用與費用驅動因子的多元線性回歸模型，為新研系統的費用估算提供了依據；第三，結合實例對我所研製的某型飛控系統的壽命周期費用進行統計分析，運用灰色預測方法對未發生的使用及維修費用進行預測，得出了該系統的壽命周期費用以及各組成部分所佔比例；第四，根據實際情況，首次運用模糊理論對飛控系統的系統效能進行了綜合評價，構造了飛控系統系統效能模糊綜合評價模型；第五，結合我所實際，探討了如何在本單位實施加強壽命周期費用管理的具體措施，提出以pdm為平臺，開發基於web的飛控系統lcc管理信息系統的新構思；最後，對影響飛控系統壽命周期費用的重要因素如可靠性和維修性等進行了詳細地研究，提出了降低飛控系統壽命周期費用的具體方法。
  6. 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。
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