reliability criteria 中文意思是什麼

reliability criteria 解釋
可靠性衡準
  1. In the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題,提出將氣平衡改造成工作可靠的重力平衡的方案,並確定了改造的三個原則:一是保證整機的可靠性,使抽油機運轉平穩,振動噪音小,壽命長;二是力求降低生產成本,減少零部件製造,盡可能選用原來的通用件,捨去平衡缸和空氣包等氣平衡附件,在原往返架主體上懸掛一個配重箱;三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  2. Abstract : in the light of the problems of the air balance system of model lcj1250 chain drive pumping unit, it is proposed to change the air balance with counterweight balance, and three criteria for the modification is put forward : ( 1 ) ensuring the reliability of the unit with smooth operation, low noise and long life ; ( 2 ) cutting down the production cost and using less component parts as possible ; ( 3 ) carrying out modification without such main technical parameters as stroke, pumping speed and maximum polished rod load

    文摘:針對lcj1250氣平衡式鏈條抽油機存在氣平衡故障率高和現場維修困難等問題,提出將氣平衡改造成工作可靠的重力平衡的方案,並確定了改造的三個原則:一是保證整機的可靠性,使抽油機運轉平穩,振動噪音小,壽命長;二是力求降低生產成本,減少零部件製造,盡可能選用原來的通用件,捨去平衡缸和空氣包等氣平衡附件,在原往返架主體上懸掛一個配重箱;三是力求不改變沖程、沖次及最大懸點載荷等主要技術參數。
  3. A lot of papers about the report of probabilistic risk assessment of daya bay npp and system manuals has been read by the author and let as the basis. in this paper, based on the reliability analysis methods of failure mode and effect analysis and failure tree analysis, according to the result of event tree analysis of probabilistic risk assessment report of daya bay npp, the top events of the fault trees of reactor protection system and the success criteria were established. by using risk - spectrum procedure, the unavailability and the minimal cut - sets ( mcs ) of the fault trees were obtained

    本文在閱讀了大量的大亞灣核電站pra報告和各種系統手冊等資料的基礎上,採用fmea (故障模式和影響分析)和fta (故障樹分析)可靠性分析方法,依據大亞灣核電站pra事件樹分析的結果,建立了以緊急停堆失效和專設安全設施驅動失效為頂事件的故障樹,利用risk - spectrum程序,對所建的故障樹進行定量分析,計算,得到系統故障樹的失效概率和最小割集,從而為大亞灣核電站可視化風險分析軟體提供數據支持。
  4. The reliability of the writing and speaking modules cannot be reported in the same manner as for reading / listening because they are not item - based ; candidates ' writing and speaking performances are rated by trained and standardised examiners according to detailed descriptive criteria and rating scales

    可靠性的寫作及會話模塊不能報,在同樣的方式為讀/聽,因為他們不是項目為基礎;考生寫作及會話表演評為訓練和標準化監考員根據詳細描述標準和評定量表。
  5. Shipborne equipment - reliability assessment criteria

    船載設備.可靠性評定標準
  6. Energy spectrum ananlysis using wavelet technique is studied and applied to deal with feature exstraction of missile fault signals, from which a feasible feature vector is created, to be used by the fdes based on inn. parameters for diagnosis are also selected based on two different criteria : the cluster divergence of sample datas and the diagnosis reliability of parameter candidates

    研究了小波能量譜分析技術在地空導彈故障數據特徵提取方面的應用;提出了基於樣本綜合離散度和參數診斷置信度兩種診斷參數選擇的方法,從而為基於集成神經網路的故障診斷做好了準備。
  7. Criteria for reliability appraisal of industrial buildings

    工業廠房可靠性鑒定標準
  8. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。
  9. Participants declare their qos requirements, including performance and reliability, authorization of requests, encryption decryption of message contents, automatic auditing of service interactions, and how their requests should be routed such as to available implementations based on workload distribution criteria

    :參與方聲明其qos要求,包括性能和可靠性、請求的授權、消息內容的加密/解密、服務交互的自動審核以及如何對請求進行路由(如根據工作負載分佈標準將請求路由到可用的實現) 。
  10. With the project performance this article introduces some - works on pac under the following aspects : - - - advantages of pcrd construction in the cold district, more durability, reliability and crack resistance of the pac core than concrete facing slab ; - - - mix design, criteria of material selection, relationship between aggregate segregation and mix proportion ; - - - test and study on deformation and strength of the pac

    本文結合實際工程進行了如下幾方面的工作: 1 )分析了澆築式瀝青混凝土心墻堆石壩在寒冷地區施工的優勢,其防滲結構的耐久性、可靠性、抗裂性等方面性能均優于混凝土面板。 2 )確定澆築式瀝青混凝土施工配合比,確定對原材料的選擇原則,探討骨料離析與配合比的關系。
  11. Abstract : the paper discusses the objects, the criteria, the contents, the method, and the data processing method of reliability test and presents. gives out the test results of key components of nuclear logging tools. the results have directing effect on components selection, filtration and other test of nuclear logging tools ' key components

    摘要:論述了核測井儀器關鍵元器件可靠性測試的目的、內容、原則、方法以及測試數據的處理方法,給出了核測井儀器部分關鍵元器件的可靠性測試結果,這一結果對核測井儀器關鍵元器件的選型、篩選及后續測試具有指導作用。
  12. ( 3 ) the reliability and validity of ice and woc is satisfactory according to the criteria of psychological measurement

    該問卷具有較好的信度和效度,達到心理測量學要求的水平。
  13. An evaluation system consisting of four classification criteria of cost, service quality, cooperation reliability and comprehensive strength is designed based on the long term cooperation between manufacturers and logistics providers

    基於製造商與物流供應商長期合作的夥伴關系,從成本、服務質量、合作穩定性以及綜合實力四個方面設計了物流合作夥伴評價指標體系。
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