本體壽命 的英文怎麼說
中文拼音 [běntǐshòumìng]
本體壽命
英文
bulk lifetime-
In this thesis, the oxygen sensitive materials and glucose sensitive materials had been developed by thermo - polymerization method including carrier covalence method and carrier covalence - cross linking method, and the properties had been investigated using the detection experiment of oxygen and spectrophotometer, at the mean time, the applications of oxygen sensitive materials in fiber optical gaseous oxygen sensor and fiber optical dis solved oxygen sensor, and that of biology sensitive materials in fiber optical dextrose sensor had been studied in this paper. major content of this work includes five aspects as follows : ( 1 ). oxygen sensitive materials had been prepared by carrier covalence method, and the preparation mechanism of the materials had been investigated by fi - ir, sem, and the detection experiment of oxygen
本論文主要包括以下五個方面的內容： （ 1 ）載體共價法制備氧敏感材料：通過紅外光譜、掃描電鏡圖譜和氧測試實驗探討該氧敏感材料的制備機理，通過氧測試實驗評價該氧敏感材料的氧敏感性和穩定性，同時研究了各種因素對該氧敏感材料性能的影響（ 2 ）載體共價?交聯法制備氧敏感材料：通過紅外光譜、掃描電鏡圖譜和氧測試實驗探討該氧敏感材料的制備機理，通過氧測試實驗和分光光度計評價該氧敏感材料的氧敏感性和穩定性，同時研究了各種因素對該氧敏感材料性能的影響（ 3 ）氧敏感材料在光纖氣態氧傳感器中的應用：該傳感器的響應時間為10s ，檢測下限為5ppm ，檢測精度為0 . 5 ，具有較好的重復性和穩定性，遲滯較小，使用壽命至少為1年，適合各種環境下氣態氧濃度的檢測。First, the theory of fretting wear and studies on fretting fatigue were introduced and the parametric method was used in the process of creating the model of dovetail joints in ug software. the elastic contact problem is analyzed in finite element method ( fem ) and is used to the parameters " distribution and contact stress of the joint are obtained on the base of ansys code. with the effect factor of load frequency, the prediction method of fretting fatigue life of dovetail joint under low and high / low cycle complex load is proposed
本文介紹了微動損傷的機理和微動疲勞壽命的研究方法；利用ug軟體對燕尾榫聯接結構創建了參數化實體模型；基於ansys軟體平臺求解彈性接觸問題，獲得了榫聯接結構接觸應力及接觸狀態量的分佈；在已有微動疲勞壽命預測模型的基礎上，引入載荷頻率影響因子，對低周、高低周復合載荷作用下的燕尾榫聯接結構進行了微動疲勞壽命的預測，與試驗結果對比表明採用本文提出的方法預測榫聯接結構的微動疲勞壽命是有效的。The aim of this dissertation research is focused on the pre - research defense projects of “ research on longevous service and high reliability of satellite ” of the national tenth - five - year plan. for improving the capability of fault diagnosis for un - presuppose faults, we propose a new fault reconstruction technique which suits to satellite attitude control system and four novel techniques under this frame work is investigated in this dissertation
本文以國防十五預研項目「衛星長壽命高可靠性技術」為研究背景，為提高目前衛星對無故障模式故障的診斷能力，提出了一套適合衛星姿態控制系統的故障重構框架體系，並研究了四項關鍵技術作為該框架的支撐。The paper introduces that under special technology condition, nona material infiltrates through matrixes of machinery parts to refine crystal grains, increase matrix tenacity, strength and hardness, reduce friction factors and high performance and long lifetime machinery parts are manufactured
本文介紹在特定的工藝條件下，將納米材料滲入到機械零件的基體中，使基體材料晶粒細化，韌性增加，強度增加，硬度增加，磨擦因數降低，從而製造出了高性能長壽命的機械零件。It combained potentiostat, potentiostatic circuit instrument and ac impedance measurement organticace, which can measure usual dynamic potentio - scan, experiment of dynamic potentio - scan, but also unique measurement of ac impedance measurement, also, this new type electrochemical workstation can carry on complex experiment, sucn as potentio / current scan ac impedance measurement procedural measurment, life - span - circle ac impedance measurement procedural measurement in order to fullfill the goal of track and analysis of parameter in various electrochemical conditions. this graduation thesis indicate the structure, function of the multifunct - ional electrochemical workstation
它把恆電位儀，恆電流儀和電化學交流阻抗分析儀有機地結合到一起，既可以做常規的基本測試如動電位掃描、動電流掃描試驗和電化學交流阻抗測量，也可以做基於這三種基本試驗的程式化試驗，如恆電流充電-電化學交流阻抗測量，電池壽命循環試驗-電化學交流阻抗測量試驗，從而完成多種狀態下電化學體系的參數跟蹤和分析。For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr
本文對于微腔半導體激光器，提出站模型，能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性，利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論；對于電流i噪聲、自發發射壽命_ （ sp ）噪聲、自發發射因子噪聲、光子壽命_ p噪聲，以及電流調制、 _ （ sp ）調制、調制、 _ p調制，在小信號近似下，得到了相應的激光器的傳遞函數；在大信噪比的前提下，對激光器進行了頻域分析，分別計算了它們在不同參數下的信噪比增益，分析了其抗噪聲性能。We mostly produce aviation high pressure vitta, they are used by motocar and autocycle, ect. especially we have solved leakage in jointing and riveting by vitta tie - in. it is safe, and we can save some oil, the life can be prolonged, too
本公司主要製造航空高壓油管，用於汽車、摩托車各類機械設備油管系統總成，尤其是整體式的油管接頭，解決了用焊接，鉚接法所產生的難以避免的泄漏，既安全又節省了油耗，延長了使用壽命。Also, the principle of cas module of the reliability simulator bert 2. 0 is given and a 11 stage ring oscillator is used as an example for bert to predict the lifetime of devices and circuits
概述了電路可靠性模擬軟體bertz刀的cas （ circuitagingsanulator ）模塊的基本原理：並以十一級環振為例，運用rh刀進行了其中各個器件和總的電路壽命的預測。The cleaning cars has seven major characteristics : 1, the vehicle design aesthetic appearance generous, simple, flexible cleaner compact cab from the sanitation workers in the rain, snow and inclement weather operations headaches ; 2, jia lu cleaning electric car gearbox is my companys patented products, latin america is characterized by heavy goods, light down - climbing and extended battery life ; 3, jia lu electric bicycle bridge cleaning car brake, the company is a patent product, is characterized by simple structure, convenient operation, maintenance easier, better braking performance ; 4, good deer electric car cleaning dustbins with low human workers the high - school, so that sanitation workers can easily handling, reversing a good sight, and reduce incidents, high safety factor ; 5, good deer electric cleaning trucks advanced electric power putter as a dump, the sanitation workers to reduce labor intensity, is characterized by fewer power failures, maintenance - free ; 6, jia lu electric vehicle using toughened glass cleaning cars, advance reversing have good vision, difficult to scratch and ensure the safety of sanitation workers ; 7, good deer by external electric car cleaning plate, a fiberglass liner internal, external characteristics : hinge not on the plate yi loose, often not dump deformation and withstand collisions, the internal use of fiberglass liner, not rust, corrosion, wear after the liner can be replaced, maintaining low cost
該保潔車有七大特點： 1 、該車外型設計美觀大方，操作簡單靈活，明凈小巧的駕駛室免除了環衛工人在雨雪等惡劣天氣作業時的煩惱； 2 、佳鹿電動保潔車變速箱是我公司的專利產品，特點是拉重貨，輕松爬坡而且省電，延長電瓶的使用壽命； 3 、佳鹿電動保潔車后橋雙輪制動，是我公司的專利產品，特點是結構簡單，操作方便，維修容易，制動性能好； 4 、佳鹿電動保潔車超低的垃圾箱符合人體工程學的高度，使環衛工人能輕松地裝卸，倒車時具有良好的視線，減少事故的發生，安全系數高； 5 、佳鹿電動保潔車採用先進的電動推桿作為自卸動力，減輕了環衛工人的勞動強度，特點是故障少功率大，免維護； 6 、佳鹿電動保潔車整車採用鋼化玻璃，前進倒車都有良好的視線，不易劃傷，保證環衛工人的安全； 7 、佳鹿電動保潔車外部採用鋼板，內部採用玻璃鋼內膽，外部特點：鉸鏈在鋼板上不易松動，經常自卸不變形，經得起碰撞，內部採用玻璃鋼內膽，不生銹、不腐蝕，磨損后內膽可以更換，維護成本低。Most existing constitutive models do not take into account the interactions between different phases of pearlitic steel and cannot illustrate why such kind of materials has excerllent mechanical properties. it is, therefore, necessary to develop a new method, which can describe the macroscopic behavior, damage and failure of the materials and their micro structural dependence. in this paper, based on a non - classical theory of plasticity and the continuum damage mechanics, a damage evolution based on an ellipsoidal void model for mixed hardening materials is obtained
已有的關于珠光體鋼的本構模型多難以考慮珠光體材料的微結構及其相互作用，難以解釋珠光體材料何以具有較好的綜合力學性能，因此有必要發展一種多層次的細觀力學分析方法以研究此材料在復雜加載條件下計及微結構特徵的宏觀響應特性，使材料的強度、疲勞壽命的預測與其微結構及各組成相的損傷及微觀應力應變演化規律聯系起來，進而為材料微結構的設計提供依據。Consequently the academic base of strategic management accounting comes from the theory of strategic management, the theory of competitive advantage and farther application of the last word in management accounting including economic idea and the theory of management. basic methods of strategic management accounting not only comprise traditional analyse means, decision making means, control means, but also comprise new methods such as activity - based costing, target cost, value chain anahce, produce life cycle cost, the balanced scorecard ( economic value added ) in field of management accountingo this thesis introduces these new methods in three aspects in detail, those are programming in prophase, contro ] of proc ess and value of achievement
正因為如此，戰略管理會計的理論基礎不僅直接源於戰略管理理論，尤其是競爭優勢論，還體現了經濟思想、管理理論的最新成果在管理會計中的應用，其基本方法既包括傳統的分析方法、決策方法、控制方法，又包括了作業成本計算、目標成本計算、企業價值鏈分析、產品壽命周期成本計算、平衡計分卡（包括經濟增加值的計算）等管理會計新方法。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。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。We use the stressed fraction that is the most representational and sensitive to corroding to making experiment in combined type equivalent environment spectrum. we can calculate the velocity of corroding, protection period and basal body corroding expansion lifespan, first repair time and the interval of repair period
本文以模擬試驗結果和使用中腐蝕損傷數據統計處理為主要依據，並同時滿足安全性和經濟性兩方面的要求，在確定機體使用壽命時，以疲勞定壽結果為主、日歷定壽為輔，綜合給出飛機機體使用壽命。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Rubber tree ( hevea brasiliensis ) is an important economic woody - crop in tropical areas. its latex is the unique source of crude rubber used in current industry. because of its special and important use, the rubber tree has been extensively planted in tropical areas. increase production is always the main target in rubber tree cultivation. since the ethrel was applied in increasing latex production in 1968 for the first time as a chemical stimulant, not only the latex production had been increased largely, but also a new set of rubber tapping system had been established, leading to a series of economic benefit. owing to ethrel " s extensive application, its side effects had been found more and more obviously, such as tapping dry, speeding up senescence, shortening the life span of rubber tree etc. in order to overcome the side effects and increase production more availably, for a long time, people had carried out lots of research work on cell level, membrane level, physiology and biochemistry of laticifer contents. but the mech anism why ethrel increased latex production was not yet understood completely. this study had cloned the ethylene receptor gene ( efrl ) from rubber tree, and researched the relationship between etrl expression in laticifers and ethrel stimulation on transcription level and protein translation level. the results were as follows : 1
但是，由於乙烯利應用的普及，乙烯利刺激割膠引起橡膠樹發生死皮病及加速膠樹衰老，縮短膠樹壽命等副作用也越來越明顯。為了克服這些副作用，使乙烯利能更有效地刺激增產，長期以來，人們在細胞水平、膜水平和乳管細胞內含物的生理生化層面上進行了大量的研究，但仍未完全了解乙烯對膠樹的作用機制。本研究從分子水平入手，克隆橡膠樹的乙烯受體基因（ etr1 ） ，並在轉錄水平和蛋白質翻譯水平上研究etr1基因在乳管細胞中的表達及與乙烯刺激的關系，取得了以下結果： 1With this understanding, this paper chooses the longitudinal strength of hull girder as the disabled mode, by the calculation of fpso, predicts the ultimate strength and effective lifetime of the hull. expected results of examples are obtained, which provide the analysis data for the further risk assessment
在此前提下，本文選擇了船體梁縱向強度失效模式，通過fpso實船計算，分析消化了理想單元法程序軟體，預報了船舶極限強度和安全有效壽命期，並用一階二次矩方法對完整受損船體的結構安全性進行了可靠性的評估，取得了預想的結果，為進一步實施綜合安全評估提供了分析數據。This paper studies the relationship between operational life of concrete construction and environmental corrosion mediator, such as sulfate, etc. concrete samples of 37 project instances and service condition under different geographic environment in the world are collected and these data is used in our research
本文分析研究了混凝土結構使用壽命與環境侵蝕介質，以及所使用的材料，如混凝土標號等，之間的關系。收集了世界上不同地理環境下的37個工程實例的具體參數和使用狀況，使用這些數據對該問題進行研究。Through the utilisation of this energy, which is left unused by nature, an energy source is tapped, with whose help a part of our energy requirements can be covered, which would otherwise have to be covered by fossil fuels. the excellent properties of the hydro - dynamic screw are its minimal disturbance to the environment, the environ - mental friendliness and long service life. a capacity of 0. 1 to 5. 5 cubic meter per second and a head up to 10 m, enables it to utilise hydrodynamic powers which are ruled out for turbines for reasons of cost
水力螺旋發電機同傳統的水輪機和渦輪機相比具有優越性，其對環境的影響很低，環境友好且使用壽命長，而且高達5 . 5立方米秒的水體輸送容量和高達10米的水頭使其可以充分的利用水能，只要有1千瓦的能量也可以利用，運行效率遠高於渦輪機，且投資和運行成本低於渦輪機。All - solid - state laser is an advantage lamp - house. it has many important applications and potential commercial value in many fields, such as industry, scientific research, military. so it ' s always the research focus of laser field. diode end - pumped solid - state laser has many merits. including high efficiency, long lifetime, high frequency stability, narrow line width, compact configuration, convenient for use et al, which made her a necessity in many high level quantum optics experiments. in this thesis, a series of experiment research was done with regard to blue laser, green laser and infrared laser
激光二極體端面泵浦的固體激光器具有效率高、譜線窄、壽命長、結構簡單、使用方便等優點，特別是採用環行諧振腔內加光學單向器構成的單頻激光器，由於頻率穩定，使其成為許多高水平量子光學實驗的主要光源。本論文圍繞全固態單頻藍，綠，紅外激光器進行了一系列實驗研究工作。分享友人