次級效率 的英文怎麼說

中文拼音 [cìjíxiàolǜ]
次級效率 英文
second order efficiency
  • 次 : Ⅰ名詞1 （次序; 等第） order; sequence 2 [書面語] （出外遠行時停留的處所） stopping place on a jou...
  • 級 : Ⅰ名詞1 （等級） level; rank; grade 2 （年級） any of the yearly divisions of a school course; gra...
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 次級 : secondary
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  1. Following the research route of mend with study and development with creation, give the definition of risk and the methods of risk identifying, divide the risk attitude into risk loving, risk neutralism and risk avoiding, point out the importance of enhancing the risk consciousness for lightning hazard, and summarize the mechanisms of lightning hazard the theories and methods of risk assessment for lightning hazard. provide a set of risk assessment parameters for lightning hazard, which includes lightning times n, hazard probability p, hazard loss d, hazard risk r and protection efficiency e, and give the definition, decisive factor, value method and value scope of each parameter. establish a risk assessment model for lightning hazard which includes lightning hazard base module, lightning hazard probability module, lightning hazard loss module, lightning hazard accepted risk module, lightning protection cost module, correcting coefficient module, lightning hazard risk module, and lightning protection class and efficiency module

    遵循借鑒改造和發展創新的研究思路，給出了風險的定義和風險識別的方法，將風險態度分為風險喜好型、風險中庸型和風險逃避型，指出了提高雷電災害風險意識的重要性，總結了雷電災害的作用機制和雷電災害風險評估的理論與方法；提供了包括雷擊次數n 、雷災概率p 、雷災損失d 、雷災風險r和雷電防護級別與防護效率e等5類基本參數的雷電災害風險評估參數體系，並給出了各個參數的定義、參數的決定因素和取值方法以及取值范圍；設計了包括雷電災害基礎模塊、雷電災害概率評估模塊、雷電災害損失評估模塊、雷電災害允許風險評估模塊、雷電防護成本評估模塊、校正系數模塊、雷電災害風險評估模塊、雷電防護級別與效率分析模塊等8個模塊的雷電災害風險評估模型，評估模型以iec61662的評估模型為基本參考，以雷災損失d為中心，把雷災風險劃分為經濟雷災風險r _ e和人身雷災風險r _ l ，並對r _ e和r _ l分開單獨處理。
  2. 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。
  3. Based on the first and second laws of thermodynamics and energy level theory, analyses the primary energy ratio, exergy efficiency and energy level difference of the household gas driven air conditioner at different conditions, and compares them with some other commonly used modes

    摘要運用熱力學第一定律、第二定律和能級分析理論，對戶式燃氣空調各種工況下的一次能源利用系數、 （火用）效率和能級差進行分析，並與幾種常用的方式進行對比。
  4. In the paper we mainly researched space gainp2 / gaas / ge high efficiency tandem cells " making process by home - made low pressure mocvd technology and new solar concentrators. firstly, we presented reseached and development of solar cells in china and foreign countries ; secondly, on the basis of fundamental priciples and theories, we discussed some factors of influcing conversion efficiency of solar cells, and analysed the i - v output feature of two - junction tandem cells ; then the design concept of gainp2 / gaas / ge two - junction tandem cells was discussed, the detailed aspects of gainp2 / gaas / ge tandem cells epitaxy growth by low pressure mocvd was studied, and some questions on epitaxy growth ( such as crystal qualities, interface stress, element interdiffusion, n - and p - type doping et all ) were solved ; after that, the cell fabrication process was described ; finally, we reseached the hot pressing and mould process technology of an arched line - focus fresnel lens made by pmma, designed and fixed new solar concentrators

    本文致力於用自製的低壓mocvd裝置進行cainp _ 2 / gaas / ge空間用高效級聯太陽能電池製作的工藝以及聚光太陽能電池組件的研究。首先，介紹了國內外太陽能電池的研究現狀及應用情況；其次，運用太陽能電池基本原理討論影響電池轉換效率的因素，分析了級聯電池的伏安特性；隨后，討論了cainp _ 2 / gaas / ge雙結級聯電池的結構設計理念，研究了採用低壓mocvd技術生長cainp _ 2 / gaas / ge級聯太陽電池材料的工藝過程，解決了異質材料生長的結晶質量、界面應力、材料互擴散以及材料n 、 p型摻雜等一系列問題；然後總結了級聯電池的后工藝製作；最後，研究了以pmma為材料的菲涅耳線聚焦透鏡的熱壓成型工藝及其模具的加工工藝，設計並安裝完成新型聚光太陽能電池組件。
  5. According to the guidline, two nd : yag lasers have been designed and set up, one is end - pumped by lower output power ld using a selfoc micro lens, and the other is end - pumped by high output power ld using a pair of lenses are designed, and the characteristics such as output power and power stabilization of both solid - state lasers are investigated. thirdly, when an empty liquid crystal cell is inserted in the cavity of the nd : yag laser pumped by high power ld, the laser can operates in single axial mode. finally, according to the relationship between the laser output power and the longnitudinal a ld - end - pumped nd : yag laser sensor for displacement measurement has been investigated theoretically and demonstrated experimently, the results indicate that when the mean radius of pumping inside the laser cavity is far less than that of the oscilating laser mode, the exponential of the output power is a gauss function of the longitudinal positon of focused spot of ld pumping beam, both the measurement range and the sensitivity are dependent on the incident pumping power, as the incident pumping power is increased, the measurement range is enlarged and the sensitivity is improve d

    本文首先介紹了ld泵浦nd ： yag激光器的發展狀況、主要特性及其應用，從四能級速率方程出發，推導了ld泵浦nd ： yag激光器的閾值、輸出功率和斜效率的表達式，並簡述了激光器的工作原理、結構型式和倍頻方法；其次，以空間相關的速率方程為基礎，提出了ld端面泵浦nd ： yag激光器的設計方法，給出了一定泵浦耦合方式下，振蕩光模尺寸、最佳輸出耦合率、泵浦光模尺寸、泵浦光焦斑位置等參數的選取依據，以此為依據，設計了自聚焦透鏡耦合小功率ld泵浦nd ： yag激光器和透鏡組耦合高功率ld泵浦nd ： yag激光器，對激光器的輸出功率和功率穩定性等特性進行了實驗研究；再次，在帶尾纖輸出的高功率ld泵浦nd ： yag激光腔內插入一隻空液晶盒，觀察到了激光器以單縱模運轉；最後，根據泵浦光焦斑端面位置對激光輸出功率的影響規律，提出了ld端面泵浦nd ： yag激光位移傳感新方法，並進行了理論和實驗研究，研究結果表明：當激光晶體內泵浦光平均光斑半徑遠小於振西安理工大學碩士學位論文蕩光束腰半徑時，激光輸出功率的自然指數與泵浦光焦斑的縱向位置成高斯變化規律，測量范圍和靈敏度依賴于泵浦功率，隨著泵浦功率的增加，測量范圍擴大，靈敏度提高，當端面泵浦功率為7 . 24w （最大輸出功率為1 . 926w ）時，激光位移傳感器的測量范圍和靈敏度分別是13 . 045mm和0 . 148mw / pm 。
  6. Which are higher than electric driven heat pump, gas boiler, coal boiler and electric boiler. the energy grade theory analysis results also show that the energy utilization of gehp is comparatively reasonable. exergy cost of gehp is 11. 2 yuan / gj by thermoeconomic method, which is much lower than the heating price nowadays

    對比發現，燃氣機熱泵的一次能源利用率和（火用）效率均高於電動熱泵、燃氣鍋爐、燃煤鍋爐和電鍋爐；對燃氣機熱泵系統的能級分析也表示系統的能量利用過程比較合理；通過熱經濟學的分析，得出燃氣機熱泵的供熱（火用）成本為11 . 2元gj ，這個價格與現行集中供熱的價格相比還是很有優勢的。
  7. By compared with the simulation results and the experiment results, we come to the conclusions that : ( 1 ) circuit with assistant network can widen soft - switching extent in lagging arm, reduces duty - cycle loss on the secondary, diminishes switching dissipation of inverter spot - welding power source. ( 2 ) the range of resonant capacitor, the important factor to soft - switching process, not only affects zero - voltage turn - off of power switches, but also affects the range of zero - voltage turn - on of power switches. so resonant capacitors must be considered according to many aspects ; ( 3 ) it easily fulfils soft - switching condition in lagging arm as leakage inductance of power transformer increases, but bigger leakage inductance of power transformer increases opening dissipation of transformer and decreases efficiency of soft - switching inverter power source

    通過模擬結果與軟開關點焊逆變器試驗結果的對比分析，得到了如下主要結論：採用輔助網路可以完全拓寬全橋軟開關逆變器的滯后橋臂軟開關范圍，減小了次級占空比丟失，降低了逆變電阻點焊電源的開關損耗；諧振電容是影響軟開關工作狀態的重要因素，其大小不僅影響開關管的零電壓關斷，同時也影響開關管的零電壓開通范圍，因此，諧振電容應該綜合考慮；功率變壓器漏感越大，越容易滿足滯后橋臂的軟開關條件，但是大的漏感也使變壓器的通態損耗增加，降低了軟開關逆變器的效率。
  8. The simulation results show that the power factor and efficiency of lim are much lower than that of rotary induction motor due to end effect and big air gap of lim. end effect force has a great influence on the thrust of lim. the performance of lim can be improved with the proper secondary structure, small air gap, big goodness factor or heavy load

    結果表明:受邊端效應及大氣隙影響，直線感應電機功率因數及效率較低;運行狀態下的邊端效應力對電機推力有較大影響;設計電機時選用合適的次級材料、減小氣隙、增大品質因數、增加負載都可提升電機的輸出性能，通過設計有效的控制演算法可使電機在額定滑差下具有較高的運行效率。
  9. When bank needs to raise its capital adequacy rate, considering financial cost and capacity of capital market, the best choice of bank is the issuance of long - secondary debt or stock, the following choice is fine loan - backed securitization, and non - performing asset securitization is the last choice. bank should try its best to avoid non - performing mortgage - backed securitization

    然而，若要為銀行資本充足狀況帶來相同程度的改善，需要發行的資產支持證券規模將會數倍于所需的次級債或股票，這也間接說明資產證券化對資本充足率的改善效果要遠遠差於發行次級債或股票。
  10. Secondly, ground on the duct noise control, the delayed - lms algorithm, which is actulized easily, is brought forward, then the simulation on pc is achieved. it is shown from the computer simulation that for the single frequency noise, there will be a good effect when choosing the suitable parameters ; but for the narrowband noise, the effect will become worse with increasement of the bandwidth. this result is helpful to analyze the parameters influencing anc

    結果表明： （ 1 ）隨著濾波器長度的增大，系統收斂速度變快； （ 2 ）隨著值的增大，系統的收斂速度增大，但是當值超過某一范圍時會引起系統的發散； （ 3 ）次級通路的延遲數與初級噪聲頻率有關； （ 4 ）對于窄帶信號， dlms演算法可以取得一定的降噪量，但是隨著窄帶信號帶寬的增大，降噪效果明顯變差。
  11. The owner can not exercise direct function but through layers of principal - agent, operators engaged in searching for agents to operate state - owned assets. because the property rights ownership of the state - owned assets is not clear, the principal - agent mechanism is more complexity to be operated effectively, and it is more difficult to supervise and operate the assets than private ownership. the author find that the defects of property rights ownership and principal - agent mechanism are the root cause leading to the loss of state - owned assets through analyzing the channels of the loss of state - owned assets

    首先，我國的國有資產所有權主體不明晰，國有經濟所有權天然虛置，直接導致所有權對企業經營決策的軟約束，造成國有資產使用效率不高，並存在大量化公為私、非法侵佔國有資產的現象;其次，國有資產的委託代理機制不完善:國有資產的委託代理具有明顯的行政性，而且委託? ?代理鏈過長，公司治理結構不完善，也缺乏健全的激勵約束機制;第三，原有的「統一所有，分級管理」的國有資產管理體制存在突出弊端。
  12. The meter adopts digital synchronous sampling and micro technology to accurately measure true rms of transformer ' s primary voltage, current, power, power factor, true rms ( ac ) or average ( dc ) of secondary voltage and current, true rms of secondary voltage ripple

    該系列儀器採用數字同步采樣及微機技術，能準確測量變壓器的初級電壓、電流、功率、功率因數的真有效值，次級電壓、電流的真有效值（交流）或平均值（直流） ，次級電壓紋波的真有效值。
  13. Several corporations all around the country compose it. it encounters a lot of difficulties in internal management, especially in funds management due to the expanding of the scale and the complex organization structure. if “ liming group ” can not handle the problems of the funds management well, its development will be restricted, and it ’ s exist will be threatened

    其內部採用多級法人制，地域分佈廣、組織層次復雜，管理鏈條長，集團總部很難掌控集團內部成員企業的經營活動，突出表現為:集團成員單位各自為政，內部資源配置重復浪費，資金管理分散，存、貸雙高，使用效率低下，資金流向缺乏有效監控。
  14. To find a solution to these problems, starting with understanding of road function, this thesis grades road style with new standard, classifies priority of traffic volumes on different type of roads. this thesis also studies and analyzes the elements of cross - section, affords suggestion about each special contents and ideal road standard cross - section which match to practice. by these methods, it can increase the efficiency of road network, improve traffic environment and improve efficiency and service lever of traffic facilities

    針對這些問題，從科學發展觀出發，對橫斷面設計理論分析，從理清道路功能入手，對道路等級再次分級，區分不同類別的道路上各類交通的優先級，同時對橫斷面各組成要素研究分析，提出各專項內容的改進建議及理想的道路標準橫斷面，以提高道路網的運轉率，從而改善交通環境、提高交通設施服務水平與效率，為規劃、設計、管理部門提供基礎。
  15. Compared with green light - emitting device, blue oled has many problems such as brightness, efficiency, stability, and color saturation, in this study we investgaited the blue oleds systemically : 1 ) double heterosturcture oled was charaterized. due to the introducing of electron transport layer alq3 and hole - blocking layer balq3, the energy matching was more reasonable and the carrier injecting was more effective in the double - layer device. the maximum efficiency and luminance of this device attained to 1. 90 lm / w and 10, 000 cd / m2, respectively

    其次，由於一直以來藍光oled器件的研究處于相對落後的狀態，其發光亮度、效率、穩定性和色純度都無法綠光器件相比，所以本論文在以下幾個方面對藍光器件的性能進行了系統的研究: 1 ）研究了雙異質型藍光oled器件，由於本研究引入了空穴阻擋層，使得載流子的復合和激子的擴散被限定在發光層內，器件的發光效率達到了1 . 90lm / w ，最大亮度達到了10000cd / m2 ，比傳統結構器件的效率和亮度提高了約一個數量級; 2 ）制備了結構為ito / npb / balq3 / alq3 / mg : ag的oled器件，研究發現，當改變各有機層厚度時，器件的電致發光光譜發生了從綠光到藍光的移動。
  16. Based on efficiency principle, effective supply of government services request government to fulfil taxpayers " needs and preferences as possible as they can. then, within benefit range of public services, let government of lowest level offer public services which is the best mode ensuring effective supply

    從效率原則出發，政府服務的有效供應要求政府盡可能滿足納稅人的需要和偏好，那麼，實現有效供給的最佳方式是在公共服務的受益范圍內由最小級次的政府來提供這些公共服務。
  17. Second, discussing the detecting and eliminating of inference channel, different channel detecting methord are provided according to static, dynamic and compositional channel, and a new algorithm of eliminating the inference channel by promoting security was presented. third, discussing many problems encountered by transaction, which is from single - level to multilevel, and a transaction schedule algorithm is given based on data replicated architecture. according to the theory mentioned above, a mls / dbms is developed, and the experiment result has showed the correctness of the theory

    本文圍繞安全數據模型，多級安全環境下的事務處理，推理控制展開了探討，首先針對空值的二義性和數據穿越問題，提出一種改進的多實例安全模型，並對外鍵引起的存儲隱通道進行了控制，提高了查詢的效率;其次探討推理通道的檢測和排除問題，針對靜態、動態推理通道和復合通道分別給出了不同的通道檢測方法，並提出一種通過提高輸入安全密級來消除推理通道的演算法;最後討論了事務從單級拓展到多級所面臨的各種難題，提出了一種基於數據復制結構的事務調度演算法。
  18. It has been shown that this updated sampling and measurement method, which can measure the content of tar and dust individually, appears much more precise and credible, particularly aiming at the characteristic of heavy tar and dust content in biomass gas. this clarification system that adopts two - level shell and tube condensers and one tar removal filter, has the advantages of high removal efficiency ( 97 % ~ 98 % ) and low operating cost. besides, it has been made more environmentally friendly considering that wastewater from condensers has measured up to related effluent state standards after being disposed in tar clarifier - tank

    多次試驗表明：針對生物質氣浙江大學碩士學位論文含焦油灰塵量大的特點，改進的生物質焦油取樣測量法可實現焦油和灰塵的分離，有較高準確性和可靠性；採用二級管殼式冷凝器與一級乾式過濾器結合的燃氣冷凝凈化系統不但凈化效率高（ 97 98 ） 、運行費用低，而且含焦油廢水二經過澄清池澄清處理后可達到國家相關污水排放標準，避兔了濕式凈化系統的水污染；兼顧凈化效果、經濟性和減少污染考慮，採用以半焦為吸附材料的于式凈化系統可以達到炊用燃氣對焦油含量的要求。
  19. Experimental results indicate that the way of using different similarity in different match level can significantly improve the efficiency of the algorithm, while the integrated similarity based on the multi - measure and the new modification makes the algorithm more effective and robust

    實驗結果表明，在不同層次的匹配級別上使用不同測度的相似度可以提高演算法效率，而由多種相似測度綜合而成的多測度相似度具有很強的區分性和魯棒性。
  20. Building level the patent exceeding lower net raised floor of more function is the only one that can match with integration lines at the same time, improved the efficiency of working, and reduced the cost of material circulation. so it heightened the 5a grade office buildings level, increased the rate of renting and selling

    ：專利型超低多功能網路架空活動地板是唯一與網路綜合布線的發展需求同步發展的網路地板，其功能性和實用性方面超越了目前市場上任何一種活動地板大大提高了辦公效率布線效率，大大降低了物業管理運行成本，從而提高了5a級辦公樓宇的檔次，同樣提高了大樓的出租率和出售率。
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