reliability level 中文意思是什麼

reliability level 解釋
可靠程度
  • reliability : n. 可靠性,安全性,確實(性)。
  • level : n 1 水平儀,水準儀;水準測量。2 水平線,水平面;水平狀態;平面,平地。3 水平,水準;水位;標準;...
  1. Abstract : considering the stochastic characteristic of main hydrogeologic parameters in yuanbaoshan open coal pit, a groundwater stochastic management model for optimal drainage borehole design is established. the result of the modeling shows the effect of stochastic characteristics of hydrogeologic parameters on the result of management modeling. it was found that the higher the parameters uncertainty and the management reliability level, the worse the management result

    文摘:從影響元寶山露天礦地下水疏乾的主要水文地質參數隨機性特徵分析入手,建立並求解了元寶山露天礦疏干工程優化設計的隨機地下水管理模型,揭示了水文地質參數隨機性對管理模型結果的影響,認為參數的隨機性越大,管理結果越壞;置信水平越高,管理結果越壞,且滲透系數和邊界條件對管理結果影響最大。
  2. However, the rate of rice - transplanting by machine was at a low level, only 2. 8 percent in our country at present. it was mainly due to the low reliability of the rice transplanter produced in our country. moreover, the price of foreign high - speed rice transplanter was high and they could not fit the high rice seedlings of the autumn season in the south of china

    如果我國插秧機械化水平提高1 ,每年就能增產糧食3 . 75億kg ,但目前我國的機插率只有2 . 8 ,其主要原因是國產插秧機的可靠性低,而進口的高速插秧機價格太高且對我國南方雙季稻的晚稻大苗栽插適應性差,因而研究適合我國國情的高速水稻插秧機勢在必行。
  3. Based on the illustration of the using state of industrial buildings and the present appraisal method of structural reliability, the paper indicates the relationship between structural state and reliability, by analyzing the feature rule and reason of scathe and demolish of steel workshop, and puts forward the basic view of appraisal method of structural reliability. structural state is the external performance of structure ; the decline of structural performance and decrease of the reliability level are shown as the alter of structure state. therefore, the analysis and appraisal of structure state can evaluate the structural reliability indirectly

    論文在闡述我國工業建築使用狀況和現有結構可靠性評定方法的基礎上,通過分析鋼結構廠房損傷、破壞的特點、規律和原因,指出結構狀態與其可靠性之間的關系,並由此提出結構可靠性的狀態評定方法的基本思想:結構狀態是結構的外在表現,結構性能的衰退和可靠度水平的降低一般都可表現為結構狀態的變化,因此通過對結構狀態的分析和評價,可間接地對結構的可靠性作出評定。
  4. If the structure reliability of the existing arch - bridges is analyzed and its current and future reliability level on bearing capacity is presented, it will profit the highway development and administration department in making an economic and reasonable decision on the maintenance of the arch - bridges

    對在用拱橋的結構性能進行可靠性分析,給出其現在以及今後一段時間內的承載力可靠度水平,有利於公路建設和決策部門對拱橋的維護工作做出經濟合理、切實有效的抉擇。
  5. With the development of the network and the multi - processor system, the research, simulation and the impemeni of the system - level fault diagnosis which is the very important means to increase the reliability of the system, are becoming more and more important. on the system - leve1 fault diagnosis, based on the group theory of system - level fault diagnosis that has been put forward by pro f zhang, the paper constructs newly the theory bases, improves on the matrix method, reinforces and consummates group arithmetic of all kinds of test mode, for the first time, analyses and discusses the equation solution of all kinds of models, so al1 the consistent fault patterns ( cfp ) could be found, straightly and high efficiently, even if the sufficient and necessary condition of t - diagnosable is dissatisfied and the complexity of system - level fault diagnosis is greatly decreased, especialy in strong t - diagnosabl6 system. last the simulation system ' s function has been extended and the application hotspot and the development trend have been disscussed

    本人在張大方教授等人提出的基於集團的系統級故障診斷的理論基礎上,重新構建了系統級故障診斷的理論基礎,定義了系統級故障診斷測試模型的三值表示;改進了系統級故障診斷的矩陣方法,重新定義了測試矩陣、鄰接矩陣、結點對、結點對的相連運算、極大準集團和斜加矩陣,由此能直觀、簡便地生成集團和極大獨立點集;補充和完善了各類測試模型的系統級故障診斷的集團演算法,通過定義集團測試邊和絕對故障集,簡化了集團診斷圖,由此能較易地找到所有的相容故障模式,即使不滿足t -可診斷性,大大減少了系統級故障診斷的復雜度,尤其是對強t -可診斷系統;首次分析探討了各類測試模型的方程解決,由此從另一角度能系統地、高效率地求出所有的相容故障模式( cfp ) :擴充了系統級故障診斷模擬系統的功能,快速、直觀和隨機地模擬實驗運行環境,進行清晰和正確的診斷,同時提供大量的實驗數據用於理論研究,優化演算法和設計。
  6. Abstract : by applying the system reliability and ergonomics theory, the reliability mod el of the man - machine - environment system of roadway sub - level caving in steep seam is set up, and the calculation formulas for the usability and pro duction capacity of the system are also provided

    文摘:應用系統可靠性和人-機工程學理論,建立了急傾斜煤層巷道放頂煤人-機-環境系統可靠性模型,給出了系統可用度和生產能力的計算公式。
  7. Electromotor joins with high efficiency selected water pump, scm ( single chip micyoco ) control system commands water pump according to cooling water temperature which substitutes traditional strap - driving mechanism pump and forms tael - level intellectualized control cooling system combining with electromotion control of cooling fan. consequently it realizes that water pump and fan autoregulate with engine working status and assures t hat cooling water temperature keeps in the best range all the time and advances the reliability of engine working and realizes exact control of cooling water temperature in deed

    選用高效率水泵與電機聯接,改由單片機控制系統根據冷卻水溫控制水泵的工作,代替傳統的皮帶帶動的機械水泵,結合冷卻風扇的電動控制形成兩級智能化控制的冷卻系統,從而,實現了水泵和風扇轉速隨發動機工況變化的自動調節,真正實現了冷卻水溫的精確控制,保證了冷卻水溫始終保持在最佳范圍內,大量減少傳熱損失降低油耗,並提高了發動機工作的可靠性。
  8. The problem about neutral - point - grounding mode is an all - around technical problem which associated with not only power system reliability , insulation coordination , electromagnetic interference , but assault safety 。 in china , the neutral grounding modes of the 10kv net involved of none grounding, grounding by arc suppressing coils, resistance grounding or reactance grounding in the past 。 with the development of civic power network , low resistance grounding mode was used to restrain the over voltage, particularly in guangzhou, shanghai , beijing , and zhuhai etc. it was reported that the over - voltage level of low resistance grounding mode is lower than that of arc suppressing coil mode, but the operation carried out the other way 。 at substations in guangzhou and shanghai it was found that the low resistance grounding mode is successful 。 but in some areas , such as zhuhai , substations grounding with low resistance revealed some problems , including power supply reliability rapidly dropping , transmitting line often tripping ; and person safety being threatened 。 so interiorly the grounding mode selection of the 10kv network was disputed, which mainly focused on the fault form of 10kv net grounding, the apply area of suppressing arcing coil grounding mode, power supply reliability level of the two modes, person safety, communication interfere and the workload of maintenance

    爭議點主要是在10kv電網接地故障的形式、消弧線圈接地的應用范圍、兩種運行方式供電可靠性的高低、人身安全、通訊干擾和運行維護工作量等諸多方面。 11 17本論文就是針對以電纜為主的城區10kv電網中性點接地方式的選擇問題進行研究。論文首先對10kv電網的中性點運行各種方式進行分析,比較各方式的特點,然後以重慶儲奇門變電站10kv電網的實際參數來建立數值計算模型,在考慮了電網接地電容電流變化、中性點電阻取值大小、接地點接地電阻值變化等多種影響因素的情況下,對中性點經消弧線圈接地和經小電阻接地方式下電網的過電壓水平和接地點短路電流大小進行了數值計算,其計算結果與電科院所作現場試驗進行了比較。
  9. The machine can be used with all kinds of extruders. it can automatically carry plastic powder into the hopper of molding machine by means of a controller of material level, it can save your labor, and realize the safety and reliability

    該產品可與各種規格的擠出機配套使用,使塑料粉末粒子從儲料箱自動送入料斗內,並由料位器控制加料循環,實現加料自動化,具有性能穩定,節省人力,安全可靠等特點。
  10. This method which both considered influence of uncertainty factors among structure parameters and satisfied prescribed main cable reliability level was used to get inverse main cable safety factors through target reliability indexes, main cable safety factors of suspension bridges with main span ranging from 2000 m to 5000 m were estimated using the proposed method

    該方法通過給定結構的目標可靠度指標反求主纜安全系數,計算出的主纜安全系數既考慮了結構參數中不確定因素的影響,又滿足了預先給定的主纜可靠度水平。
  11. Secondly, been generalized the failure data of electrical connectors from working and testing environment, electric contact failure, insulation failure, mechanical connection failure and other failure are four mainly failure modes of connectors, moreover, built the faulty - tree to analyze their reliability level. however, contact fault failure was the most prevalent mode of electrical connectors. under natural working and reserving conditions, the contact stress decreasing, fretting and surface film growing are mainly reasons to make electrical connector failure

    其次,通過對現場、試驗場電連接器的失效情況進行統計和分析,總結出電連接器的四種主要失效模式:電接觸失效、絕緣失效、機械連接失效和其他失效,並對電連接器進行了故障樹分析,指出電接觸失效是電連接器失效的主要形式,而在正常的工作條件下,造成電接觸失效,即決定電連接器工作壽命的主要原因是氧化膜層的生長、接觸對磨損以及磨損腐蝕物的堆積,而影響氧化膜層的生長、接觸對磨損以及磨損腐蝕物堆積的主要因素是環境振動和溫度應力,為電連接器進行失效機理分析奠定了基礎。
  12. Due to the influence of the corrosive agents in the outer environment, the resistance and dynamic reliability of the chemical structures declined with time very fast. and it is difficult for the chemical structures that with the normal design reliability level to fulfil their structural functions. on the condition that the design service life is confirmed, the design reliability level of the chemical structures should include the corrosive environment and its effect on the structures. based on agents ' corrosiveness fuzzy classification, this paper suggests a practical method on design reliability level decision - making of the industrial structures, which is very useful for the anti - corrosion design of the industrial structures

    化工結構由於受到外部腐蝕性介質環境的影響,其承載能力及動態可靠度水平隨使用時間衰減過快,按照普通結構設計可靠度水平設計的工業建築常難以順利完成設計使用功能.因此,在設計基準期預先確定條件下,化工結構的設計可靠度水平應綜合考慮腐蝕性環境及其對建築結構的影響特點來決策.根據介質腐蝕性模糊分級,提出了工業建築設計可靠度水平的一種實用決策方法
  13. It shows that the degradation effects of fatigue and corrosion have important influence on the safety of ship structure, especially after the ship has put into service for 10 years. and the detailed inspection should be done at this time to maintain the reliability level of ship hull girder

    計算結果表明:疲勞裂紋和環境腐蝕在船舶服役10年之後對船體梁可靠性有顯著的影響,此時開展詳細的船體結構檢驗對保證船舶營運的安全性具有重要意義。
  14. Based on probability statistics and structure reliability theory, a method of calculating the durability period and reliability probability of reinforced concrete exposed to chloride environments is presented. the target reliability level that the time of reinforcement initial corrosion in concrete structure exposed to chloride environments is proposed in this paper. a method of predicting service life of concrete structure exposed to chloride environments is given in this paper

    建立了氯腐蝕環境下混凝土結構中鋼筋開始銹蝕的條件和耐久性極限狀態方程以及氯腐蝕環境下混凝土結構的壽命評估準則;以結構可靠度理論為基礎,提出了混凝土結構的耐久性分析方法和壽命預測方法,給出了氯腐蝕環境下混凝土中鋼筋不發生銹蝕的目標可靠指標,並結合一具體工程進行了耐久性評估。
  15. For common reinforced concrete and steel reinforced concrete columns with axial compression, it is pointed out that the same stability coefficient can be adopted and closed reliability level can be provided

    提出對于普通鋼筋混凝土與型鋼混凝土軸心受壓柱,可採用相同的穩定系數,並具有基本相同的可靠度水準。
  16. The formulation has been applied to a bulk carrier which sails in the north atlantic ocean. furthermore, the effects of maintenance actions in increasing the reliability level of ship hull girder are analyzed

    由此可見,對存在疲勞和腐蝕損傷的船體梁進行時變可靠性分析時,必須考慮維修因素的影響才能更加符合實際情況。
  17. Acceptable reliability level

    性合格標準
  18. The reliability level of the whole system under study can be got by the loads reliability indices and sub - system reliability indices, and an integrated model of reliability and economics is founded

    以可靠性評估方法為基礎,建立了可靠性和經濟性的綜合優化模型,利用遺傳演算法解決了兩者之間的協調問題。
  19. At last one frame of reliability simulation platform are proposed to simulate reliability level of circuits with degradation and other failure modes. it will help to take full use of test data and empirical models to predict the trend of system failure rate

    提出能源系統可靠性模擬平臺設計框架,該平臺可用於模擬在參數漂移及其它失效模式下電路系統的可靠性水平,其特點是能夠充分利用試驗數據與經驗模型分析系統失效率變化趨勢。
  20. If the structure reliability of the used bridge is analyzed and its current and future reliability level on bearing capacity is presented, it will profit the highway development and administration department in making an economic and reasonable decision on the maintenance of the used bridge

    對在用橋梁的結構性能進行可靠性分析,給出其現在以及今後服役期內的承載力可靠度水平,有利於公路建設和決策部門對橋梁的維護工作做出經濟合理、切實有效的抉擇。
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