老化系數 的英文怎麼說

中文拼音 [lǎohuàxìshǔ]
老化系數 英文
ageing coefficient
  • 老 : i 形容詞1 （年歲大） aged; 活到老 學到老。 you will never cease to learn as long as you live ; li...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 老化 : age; ageing; burn-in; preburning; maturing
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The efficiency and reliability of minerogenetic prediction can be improved by combining rs with gis. we processed rs images, extracted the geological information related to mineralizing, such as geology, structures, stratam, rocks, etc, synthetically analysed remote sensing, the geological data and geo - chemistry, under the guidance of the theory and mathematic model, set up gis mineralize model. on this condition, to develop this method and its theory, and to establish a system of perfect prediction, it is not only useful in studied degree area but also favorable for looking for new type and some form large - scale deposits in old studied area, and it has a great theoretical meaning

    遙感與gis相結合用於成礦預測中可大大提高預測工作的效率和可靠性。通過對研究區的遙感圖像處理和地質、構造、地層、巖石、礦化蝕變等有關信息的特徵提取、遙感、地質數據和物化探數據的綜合與復合分析，在一定成礦理論和數學模型指導下，建立gis綜合找礦模型。在此基礎上，發展這一方法及理論並建立完善的預測體系，不僅對研究程度較低的新區礦床預測有用，而且對研究程度較高的老區尋找新類型和點狀大型、超大型礦床都具有重要理論意義和實際意義。
  2. A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours

    研究結果表明:金屬間化合物厚度與老化時間的關系符合拋物線法則，金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ，老化后金屬間化合物呈層狀分佈，主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ，主要相為au4al和au5al2 ，同時在界面周邊區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋，但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。
  3. The useful life curves of gan - based blue led with al2o3 and sic substrate is fit single exponential function [ i = i1 + i2exp ( - t / ) ]. fron this function, we could get aging information of led about stable inteneity 1, decay intensity i2 and decay time. the novel method of evaluating aging properties of leds was put forward

    用單指數函數擬合了發光二極體的光衰減曲線[ i = i _ 1 + i _ 2exp （ t / ） ] ，這個關系式可以給出三個信息：穩定光強、衰減光強、衰減速度，提出了更加合理的評價led老化性能的方法。
  4. To analysis the principle of degradation and destruction, a reasonable relationship between the electrostatic potential and 1 - v characteristic parameters is raised ; a computation model for electron trap effect is originally proposed, which leads to a conception of critical trap electron density

    本文首次建立了晶界勢壘高度與伏安特性參數之間的關系，提出了陷阱效應在沖擊老化過程的作用模型，引入了「臨界陷阱電荷密度」的概念。
  5. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工作包括以下幾個內容：一、選取了常見的熱膨脹系數大的材料製作封裝元件，經過多次一80到80反復測試，封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層等缺陷，封裝材料具有良好的溫敏穩定性及復用性，與光纖相容性較好；二、對光纖光柵進行簡單、實用的封裝處理，就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗，得出了初步的結論；三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比，從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了定量的分析，在大量實驗數據分析結果的基礎上，總結出哪種材料封裝效果更好，以及如何有效的減小實驗誤差。
  6. Sb2016 high pressure high - power resistance box adopts especial aging treatment, precise wire wound resistor of low temperature coefficient and high - pressure airproof switch

    Sb2016型高壓大功率電阻箱採用經過特殊老化處理、低溫度系數的精密線繞電阻器及高壓密封開關。
  7. The endurance function of the insulation field is widely concerned in the power system. according to the equality between the two dimensional weibull distribution and the law of electrical aging, after the method for estimation of the voltage endurance coefficient is presented by the maximum likelihood estimation and the minimum square estimation of the two dimensional weibull distribution parameters, on the basis of the analysis of the test disadvantages under invariable voltage, the method of obtaining the voltage endurance coefficient under the intension increased by degrees is considered

    電氣絕緣電老化性能是電力系統普遍關注的問題，由於二元weibull分佈與電老化定律在評價絕緣老化特性上存在等價性，本文首先介紹了二元weibull分佈參數採用極大似然法和最小二乘法估計獲得電壓壽命指數的方法，同時在分析其在恆定電壓下試驗容易出現，由於電壓選擇不當導致試驗時間過長現象的基礎上，討論了利用場強遞增方式確定電壓壽命指數的方法。
  8. Hereafter being the forecasting to the old age population coefficient, this text has been applied two kinds of regression model, namely univariate linear model and logarithmic model, and thought over three kinds of economic speed of development ( high, middle, low ) in the logarithmic model to forecast the old age population coefficient respectively. finally, by analyzing the forecasted value and the inertia law of population development, the paper points out the lengthening of the population equally expected life span will push forward the aging of population step by step to the advanced age development ; the development trend of the population aging continues to be clear, and just appears a stage characteristic ; furthermore, the population aging speed in rural area will be faster than in the city

    此後是對老年人口系數的預測，本文應用了兩種回歸模型，即一元線性回歸模型和對數擬合模型，並在對數擬合模型中考慮了經濟發展速度的高、中、低三種方案，對老年人口系數分別進行預測；最後在分析預測值和人口發展慣性規律基礎上對山東省未來人口老齡化發展趨勢作了較深入分析，指出人口平均預期壽命的不斷延長，將逐步推動人口老齡化向高齡化發展；人口老齡化繼續發展趨勢明顯，且呈現出階段性特徵；農村人口老齡化速度將快于城市。
  9. But because of the linkage between aging and death, they have also been able to give " senescence " a formal, mathematical definition - - the progressive increase in an organism ' s likelihood to die soon

    但因為老化與死亡之間的聯系，他們也曾經能給「衰老」以一個正式的、數學性的定義?一個有機體很快死亡的可能性的前進性增加。
  10. As to the video signal, alarm signal, control signal, are all weak electricity signal, exceedingly easily be subjected to the jam, in case the power supply system does not steady, wave propag ation is greatly, the harmonic content of power source overtops, the veins wave factors are great unduly, and even power source equipment breakdown, outputting abnormal, will be about to affect the video signal image effect, and dependability cuts downs to the security and alarming system. we adopt fast fu lye ' s mutation rule - fft alternatives, by the way of carrying fft alternatives to the local junction circuit, regulated power supply, ups ' s power source, and switch power source, thereby diagnose every degree harmonious wave content of power souse, and abnormal coefficient, compared to the normal working situation. thereby diagnose out the working condition of the regulated power supply, ups ' s power source, and switch power source

    如果有供電系統不穩定、波動大，電源的諧波含量過高，紋波系數過大，乃至電源設備損壞、輸出異常等情況出現，將會嚴重影響視頻信號的圖像效果，大大降低防盜系統的穩定性和可靠性，我們採用快速傅利葉變換原理，即fft變換，通過對市電、穩壓電源、 ups電源、開關電源等的電壓信號進行fft變換，從而得出信號中各次諧波的含量及信號畸變系數，並將其與正常工況下的參數進行對比，從而進一步診斷出穩壓電源、 ups電源、開關電源等設備的運行狀況；組成監控系統的設備長期處于工作狀態，往往由於設備散熱條件不好、設備老化故障等原因導致設備表面溫度過高，從而影響設備的正常運行，降低設備的使用壽命。
  11. First the author estimates the current situation of population aging in china ; then, analyzes and forecasts the degree of population aging and population structure in the period of 2001 - 2050 in china, calculates the standard coefficient of retirements income in china according to the theoretic methods provided by the author ' s research, estimating the path of the ratio of chinese social security fund to gdp. in the end the author gives some policy recommendation based on the research

    首先是對中國老齡化現狀的分析；其次是對中國2001 - 2050年的老齡化及人口結構變動趨勢進行分析與預測；再次是依據本文研究出的理論對中國養老標準系數臨界點的測算；第四是對中國社會保障資金與gdp之比的未來增長路徑進行了數理推導，並進行實際測算；最後給出基於本文研究成果基礎上的相關政策建議。
  12. In general, there have some specific instruments and equipments on spot which monitor electrical parameter, including insulate and aging degree of the spot equipments, the node voltage, currents, total consume of electricity. in tradition, these data of monitoring delivers control centre by the remote technique and it works key function for the safe stability running of power system

    對于現場以及相應節點電壓電流、絕緣老化、用電量的監測，一般都在現場安排了專門的測量儀器和監控設備，這些設備的測量數據傳統上以遠動技術來傳遞到控制中心，而遠動也一直為電力系統的安全運行做出了重要的貢獻。
  13. The properties of product : extremely high wear - resisting performance, an extremely low cofficion ; fine person who lubricate by oneself, it si unnecessary the note oil, use the difficult card to die under the abominable condition ; antistatic, it is fire - retardant to resist, ageing - resistant, able to bear the corrosion of chemistry ( sour alkali and organic solvent ) ; can bear and assault, shake repeatedly ; mechanical performance is excellent, light, install it conveniently

    產品性能：極高的耐磨性能，極低的摩擦系數，優良的自潤滑性，不用注油，在惡劣條件下使用不易卡死；具有抗靜電，抗阻燃，耐老化，耐化學（酸、堿和有機溶劑）的腐蝕；能承受反復沖擊、震動；機械性能優異，重量輕，安裝方便。
  14. 2. the concept design is the key phase of the first stage of system optimization. the paper emphatically discusses with emphasis several issues difficulty to answer, such as the determination of the soil parameters, the soil pressure and the safety factor and the reliability of retaining structure, summaries and analyses the main geotechnical problems during the excavation on the four familiar geologic strata of saturation soft soil on the class i terrace of the yangtze river, aged - clay, expansive soil and loess and investigates carefully the patterns of deformation and destruction of pit slope in the saturation soft soil, puts forward three basic principles of selecting schemes of retaining structure, namely : facing to the problem, facing to the characteristics of excavation and environment

    （ 2 ）概念設計是深基坑工程第一步優化? ?系統（方案）優化設計中的關鍵，文中重點討論了概念設計中的幾個難點問題，如土性參數的確定、土壓力的選取、深基坑工程的安全度和可靠度分析等；總結分析了飽和軟土、老粘性、膨脹土和黃土這四類常見地層條件下的深基坑工程中的主要巖土工程問題，其中重點研究了長江級階地上的飽和軟土深基坑邊坡變形和破壞模式，提出了選擇支護方案的基本原則，即：面向問題、面向基坑特點、面向周邊環境特點。
  15. The most before all others in this part by analyzing natural changes condition of the shandong total population, the change of population age composition type, development of population age pyramid and old age at age to foster the detailed analysis of coefficient change, and unfolds before one ' s eyes a course of aging development of shandong population, then four protruding characteristics of aging development of shandong population are summed up out on this foundation : population aging speed is fast ; district difference is clear, urban and rural difference is notable ; the population age structure in " gold particular period " of population and at the initial stage of population aging

    然後分析了世界和中國人口老齡化的發展特點及趨勢，為後文對山東省人口老齡化的分析奠定理論和實踐基礎。第二部分：山東省人口老齡化進程分析。此部分中首先通過對山東省總人口自然變動、人口年齡構成類型變化、人口年齡金字塔演變和老年撫養系數變化的詳細分析，展現出山東省人口老齡化發展的過程，在此基礎上總結出山東省人口老齡化發展的四個突出特點：老齡化速度快；地區差異明顯；城鄉差異顯著；正處於人口老齡化初期和人口年齡結構的「黃金時期」 。
  16. Typical uses of scanner switching include burn - in testing of components, monitoring time and temperature drift in circuits, and acquiring data on system variables such as temperature, pressure, and flow

    掃描儀切換的典型應用包括器件的老化試驗、電路的時間和溫度漂移監測，以及採集系統的參數數據，例如溫度、壓力和流量。
  17. General used rubber board, outer : green ; inner : dark green, wearable, aging - proof, deformation - proof, oil - proof, bending - proof, strong tensile stress, dimension stability, friction factor agreeable

    普通膠板，外層：綠內層：墨綠，耐磨耗，耐老化，變形小，耐油，耐抗繞，抗張強度好，尺寸穩定，有合適的摩擦系數。
  18. The renewal and reconstruction measures are made on the machine houses of the lifts, the gates, the lifts and the electric equipments concerned for the problems therein such as the aging, degradation, poor performance and the decrease of the safety factors of both the gates and lifts etc., from which better reconstruction effect is obtained at last

    針對其閘門及啟閉機老化、退化、性能落後、安全系數下降等問題，採取了封閉啟閉機房、閘門改造、更新改造啟閉機及電氣設備等措施，取得了良好的效果。
  19. Among hong kongs aging population, as many as 4, 000 elderly suffered from fall - induced hip fracture each year, inducing the need for medical expenses of hundreds million dollars. faculty of medicine and faculty of engineering collaborated to develop a lightweight airbag safety system designed specifically to tackle this problem. the motion sensor device embedded in the system is capable of distinguishing between falls and common daily - life movements

    香港人口不斷老化，每年便有多達4 ， 000個長者因跌倒引至的髖關節骨折，有關的醫療開支數以億計，中大醫學院聯同工程學院研究出專為長者隨身使用的輕巧安全氣囊系統，一旦長者跌倒，氣囊便會自動彈出，減低他們受骨折的危險。
  20. Feature for good anti - impact intensity, low friction index, good wear resistance, light weight, anti - aging, anti - corrosion, self - lubricating, antistatic, electricity

    具有抗沖擊強度、摩擦系數小、耐摩擦性好，重量輕，耐老化、不腐蝕、自潤滑、抗靜電。
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