比較壽命 的英文怎麼說
中文拼音 [bǐjiàoshòumìng]
比較壽命
英文
comparative lifetime-
Abstract : the factors to influence fatigue life of chain plate areconcluded by experimental methods. the factors to prolong life of chain plate are analyzed by theoretical methods. the maximum value of crushing hole in 16a roller chain plate is calculated by finite element method
文摘:用試驗方法確定了擠孔對鏈板疲勞壽命的影響，從理論上分析了在最佳擠孔量下，鏈板疲勞壽命提高的因素，用有限元法計算了16a鏈板的最佳擠孔量，並與試驗結果進行了比較。Through the experimental research, we think : the technological capacity of fiberglass asphalt macadam if weaker than asphalt macadam, however, if use elasticized capacity to solve blending technological problem. adjust the breed of fiber silk, extend its diameter, its paving capacity is still worth exploring, asphalt - rubber macadam structure lager have good deformed - become capacity and crazed - resistance capacity, small gap rate. good water - resistance capacity, good hot - stability and simple construction technology. therefore. pitch rubber spall is a good cover material which is suitable for the second class or lower whose asphalt pavement has split open because of fatigue. and is the good structural measure of preventing half - rigidity grass - roots unit shrink - rift reflecting. pave a thin layer of pitch rubber spall between asphalt - type pavement layer and half - rigidity basic level, although the cost of building is higher than paving togongbu in the middle, the construction technology, crazing - resistance and water - resistance are better than togongbu, not only could reduce greatly the reflex of half - rigidity grass - roots unit material, long then the use lifespan of pavement, but also it is possible to reduce suitably the thickness of asphalt mixture layer, though the cast of building in the early days becomes more, in the long - term opinion, it have fully important technological and economical significance
通過試驗研究認為：玻璃纖維瀝青碎石的技術性能不如瀝青碎石好，但路用彈性性能較好，如能解決拌和工藝問題，調整纖維絲的品種，增大其直徑，其路用性能仍值得探討，瀝青橡膠碎石結構層具有變形性能和抗裂性能良好，空隙率小，防水性能好，熱穩定性較好，施工工藝簡單的特點，因此，瀝青橡膠碎石是二級及二級以下公路因疲勞而開裂的瀝青路面的良好罩面材料，也是防止半剛性基層收縮裂縫反射的良好結構措施，在瀝青類路面面層和半剛性基層之間夾鋪瀝青橡膠碎石薄層，雖然造價比夾鋪土工布高，但其施工工藝，抗裂性能和防水性能均優于土工布，不僅可以大大減少半剛性基層材料的反射裂縫，延長路面使用壽命，而且可能適當減薄瀝青混合料面層的厚度，雖然初期造價有所增加，從長遠來看，具有十分重要的技術和經濟意義。For rotor steel ( 30crlmolv steel ), the tests of low - cycle fatigue property are done under different temperatures. the fatigue life under different temperatures is researched to make up for the defects of the testing for foreign similar materials. when pull - stretch data is attempted to evaluate low - cycle fatigue data, the result shows that four - point associated method in middle - low life zone is done well under room temperature, but there are large errors of four - point associated method and general - slope method under other temperatures
在本文中，通過與國外同類材料的性能進行比較，國產材料與國外材料共有的材料特徵基本相同；對轉子鋼（ 30crlmolv鋼）進行了不同溫度下的低周疲勞性能實驗，研究其在不同溫度下疲勞壽命，以彌補國外對同類鋼材測試的不足；採用拉伸數據預測低周疲勞壽命時發現，室溫條件下用四點關聯法在中低壽命區預測較好，在高溫條件下四點關聯法和通用斜率法都有較大誤差，需要進行改進。Therefore, this dissertation based on the pre - research defense projects of “ research on longevous service and high reliability of satellite ” of the national tenth - five - year plan, study the method of uncertainty inference, and the application of rough set theory in the development of the satellite fault diagnosis system, the main content of this dissertation is as follows : first, this paper incorporate the status in quo of the technology of fault detecting and diagnosis and the artificial intelligence ( ai ), realize the newest trend of the technology of fault detecting and diagnosis is that using the technology of artificial intelligence to solve the certainty and uncertainty problem in the actual engineering area
為此，本文以國家武器裝備「十五」預研「衛星長壽命高可靠技術」研究項目為背景，研究不確定性推理理論中的粗糙集理論在衛星故障檢測和診斷中的應用，並開發相應的系統。主要研究內容包含以下幾個方面:論文首先結合故障診斷技術及人工智慧技術的發展現狀，明確了故障診斷的發展方向是使用人工智慧的最新研究成果去解決實際應用中更為常見的各種確定和不確定問題。分析了解決不確定推理技術的主要方法及各自的原理並進行了比較。In chapter3, we discuss the multiplicate progressive stresses accelerated life test. under the weibull distribution and an invers power law model we first present a necessary and sufficient condition for the existence and uniqueness of mle for the exponential distribution, then give estimators and confidence intervals of the parameters based on the blue. finally, we study them by using monte - carlo simulation
第三章首先指出了一組序進應力加速壽命試驗下weibull分佈分佈參數的mle不唯一，然後給出了p組序進應力加速壽命試驗下指數分佈的mle存在和唯一的一個充要條件，並用隨機模擬的方法研究比較了參數估計的優良性，最後給出了p組序進應力加速壽命試驗下weibull分佈中參數的點估計和區間估計，討論了有關問題，給出模擬實例。Being deficient in sonic fatigue testing and owing to the limitations of nomograph method application to the sonic fatigue life prediction, an analysis software program was designed and worked out in present thesis, based on the research achievement in prediction of sonic fatigue life, which strong function, easy use and great extensive capabilities
本文針對現階段聲疲勞試驗的不足，以及工程中常用的諾謨圖方法的局限，整理了目前比較成熟的典型蒙皮壁板聲疲勞壽命研究成果，提出設計並編制了一套功能強、易於使用，可擴展性好的聲疲勞壽命預測及分析平臺。1 ) the synthesis and structural characterization of 5, 10, 15 - tris ( penta - fluorophenyl ) corrole and its corresponding [ 5, 10, 15 - tris ( pentafluorophenyl ) corrolato ] manganese ( iii ) ; 2 ) the synthesis and structural characterization of series of porphyrin and metalloporphyrins as follows : chloro [ 5, 10, 15, 20 - tetra ( p - methyl - phenyl ) - porphinato ] manganese ( iii ), chloro [ 5, 10, 15, 20 - tetra ( p - methyl - phenyl ) - porphinato ] iron ( iii ), [ 5, 10, 15, 20 - tetra ( p - methyl - phenyl ) - porphinato ] copper ( ) and - oxo - bis [ 5, 10, 15, 20 - tetra ( p - methyl - phenyl ) - porphinatomanganese ( iii ) ]. 2. in the third charpter, a highly selected silver electrode based on 5, 10, 15 - tris ( pentafluorophenyl ) corrole has been prepared, and its response was compared with that of metallo corrole counterpart and 5, 10, 15, 20 - tetra ( phenyl ) porphyrin
3 、制備了以-氧-雙（ 5 ， 10 ， 15 ， 20 -四（對甲基苯基） ）錳卟啉載體的鉬酸根選擇性電極，並與5 ， 10 ， 15 ， 20 -四（對甲基苯基）鐵卟啉、 5 ， 10 ， 15 ， 20 -四（對甲基苯基）錳卟啉、 5 ， 10 ， 15 ， 20 -四（對甲基苯基）銅卟啉電極的響應性能進行了比較，對電極的膜組份進行了優化，並分別考查了電極的選擇性、 ph值影響、穩定性和壽命等，並將該電極應用於腐蝕抑制劑中鉬酸根的測定。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。Zircaloy - 4 sheet, which was cold - worked followed by recrystallization annealing, exhibits longer lcf life in the rolling direction than that in the transverse direction, and the fact that difference in lcf life between both directions becomes larger as the range of plastic strain becomes lower can be attributed to the texture effect, p - solution treatment deteriorates the alloy ' s lcf property because the treatment lowers the average value of alloy ' s schmid factors, and the subsequent annealing - treatment in a - phase range has a impact on the lcf properties, i. e. the subsequent annealing - treatment at 500 ? for 1. 5h results in better property than that at 750 for 1. 5h, which comes mainly from the fact that the alloy annealled at 500 for 1. 5h has lower amount of the precipitate particles than the alloy annealled at 750 for 1. 5h
對于冷加工后經再結晶退火處理的zr - 4合金，軋制方向的低周疲勞壽命比橫向要大。隨著_ p的降低，兩個方向的低周疲勞壽命的差別相應增加，這是由於合金中存在織構的緣故。冷加工后經再結晶退火處理的zr - 4合金在固溶處理后，抗疲勞性能明顯降低，這主要是由於固溶處理降低了合金的schmid因子；固溶處理后在相區的退火對疲勞性能有影響，即500 1 . 5h退火的抗疲勞性能要優於750 1 . 5h退火，這主要與500 1 . 5h退火的合金中沉澱相粒子的數量較少有關。The resuh twed that mb designed in consisten the the complndny sequence of a sechon of the conservative regions of tmv - rna was suitable for the direet assay of tmv - rna. another contrl experiined had been pefformed to testify that our resuit was re1iable or not
Of 2inm之間有線性響應，檢測下限達8pm ， t ： ；與共價交聯的固定方法相比，此傳感器具有較長的壽命和較好的穩定性。3. studying on prediction methods of the initiation life of aero - gear using shakedown analysis methods in order to directly consider in a quantitative way the details of stress - inelastic strain responses, residual stress and residual strain computations, fatigue crack initiation life was evaluated in aero - gear by using th
利用chaboche的材料模型，研究了航空齒輪韌性材料在彈、塑性安定下的輪齒接觸疲勞裂紋萌生準則，該研究結果與相關的齒輪實驗結果比較分析表明：塑性安定下的疲勞裂紋萌生預測方法預測航空齒輪的萌生壽命是較安全的。In developed countries, longer life expectancy but also better diagnostic abilities explain this increase, whereas in developing and middle - income countries, the time bomb of tobacco - related and viral - induced cancer is starting to show its toll
在發達國家，癌癥發病率增高可歸咎於人們壽命較長和先進的診斷技術，而在發展中國家和中等收入水平國家，吸煙和病毒介導的癌癥比率在逐漸增大。You can use any standard deep frying oil. better quality oil will last longer
您可以使用一般的油炸油。品質較好的耐炸油使用壽命會比較長。It shows that the damage parameter is more suitable for composite multiaxial fatigue investigation than the traditional strain versus life curve and the predicted fatigue lives have a good agreement with the tested values
結果表明：與傳統的應力-壽命預測曲?相比較，新的疲勞損傷參量更適合於復合材料的多軸疲勞研究，計算結果與實驗結果吻合較好。By investigating the results from the theoretical analysis and the comprehensive property tests, the service life of these motors were evaluated and it was found that the factor determing the service life of these motors is the misfunction of the binding interfaces
比較理論分析和綜合性能試驗的結果，對該型發動機服役壽命進行了評估，發現決定其壽命的因素是粘接界面的失效。Effect on the characteristics of fatigue life of composite soils and dynamic modulus were discussed. the deformation behavior of stabilized soil on static and dynamic loading were compared. the characteristics of frequency spectrum of composite soils were analyzed in the thesis
對水泥?水玻璃加固土進行循環荷載下的疲勞試驗研究，分析水泥?水玻璃加固土的疲勞壽命及其影響因素，以及固結土的動模量特徵，並對水泥土在動、靜荷載作用下的變形特徵進行比較，分析對比不同振幅與頻率的動荷載作用下的水泥加固土的應變響應及其頻譜特性。The results show that the method proposed in this dissertation can calculate the durable life of reinforced concrete structures under chloride environment accurately
分析結果表明，利用該方法可以比較準確地計算氯離子侵蝕環境下混凝土結構的耐久壽命。Comparing winners and also - rans from within the same countries, to avoid yet another source of bias, dr rablen and dr oswald found that the winners lived, on average, two years longer than those who had merely been nominated
通過比較來自同一個國家的獲獎者與落選者來避免另一種偏差，拉伯倫與奧斯瓦爾德博士發現獲獎者平均要比那些僅僅是得到提名的人的壽命長兩年。Under these approaches, the 1if e of the lower flange connection region between a rib 6 and rib 8 of the front bar of some aircraft are estimated and the fatigue life of simulator of the connection region is experimentally tested and the estimation results and the experimental results are compared
通過用這些壽命估算方法對某型飛機前墻6 8肋段下緣條連接區進行壽命估算與該段連接區模擬試驗件進行疲勞試驗結果分別進行了分析比較。The object to study in this paper is the electric heat reservoir boiler, which is used to supply heat water and bask for the resident population. the use of the system define the character of the output medium with the lower request on quality and parameter, at the same time, it ask the boiler should has the higher character on the respect of the cost, reliability, economy, and so on. hence, the paper carefully design and study the system for the choice and design of the boiler core heating componet, the lay of the heat exchanger, the working status of the heat reservoir equipment, the adjustment and control mode of to supply heat water. the study work mainly include underside some contents, forexample : 1. to confirm the heat medium parameter to adapt the requirements of the most of the heating equipments and to design the instruction of the boiler and heat reservoir as simple as possible
圍繞上述原則，本文從電熱鍋爐核心加熱元件的選型及設計、換熱面的布置、蓄熱設備的運行工況、供熱的調節方式以及控制方法進行了較細致的研究和計算，具體研究工作有以下幾個方面： 1 .根據使用要求，確定適用於多數採暖設備的熱介質參數，設計在結構型式上盡可能簡單的鍋爐和蓄熱器； 2 .對製造加熱元件電熱管的各種材料進行了對比和分析、在結構尺寸上進行了仔細的分析和計算，根據實際使用條件給出合理的設計，使其具有較高的可靠性和使用壽命； 3 .對不同換熱面布置形式進行傳熱分析。分享友人