壽命測定 的英文怎麼說
中文拼音 [shòumìngcèdìng]
壽命測定
英文
biometrics-
Dendrochronology a method of archaeological dating by the annual rings of tree, used when the lifespans of living and fossil trees in an area overlap
樹木年代學：在一定的區域內當生活樹木以及化石樹木的壽命有重疊時，通過樹木的年輪來推測考古學年代的方法。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。Although these methods can meet the end in some extent, they are restrictly applied owing to the inconsideration of the constitution in machine or deficiency of universal fitness
傳統的剩餘壽命預測方法在一定程度上能夠滿足要求，但是它們或者對設備的組成特點考慮不足，或者缺乏普遍的指導意義，因而應用具有一定的局限性。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。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。Measurement of minority carrier life time in germanium by photoconductive decay method
用光電導衰減法測定鍺中少數載流子壽命Standard test methods for minority carrier lifetime in bulk germanium and silicon by measurement of photoconductivity decay
硅和鍺體內少數載流子壽命測定光電導衰減法No probe leakage was found when the sensor dipped in ethanol and n - hexane for 15 days. this technique is limited for its prolix procession and request of special active function in the structure of molecular probe, sol - gel : the development of sol - gel technique provides a convenient way to incorporate molecular probe in porous inorganic material
化學鍵合法：分子探針通過化學反應鍵合於固定相，在溶劑中不泄漏，提高了傳感器使用壽命，在乙醇和正己烷中浸泡15天，未見探針分子泄漏。但繁雜的過程和對探針分子結構的特殊要求限制這一方光纖化學傳感器、儀器系統的研製們比生物和環境監測中的應用（摘要） 2法的應用。It measures the density of oxygen by detecting the life - span of the fluorescence quenching. the so - called fluorescence quenching is a kind of physics or chemistry process that the fluorescence material has chemical or physical reactions with certain substance is selected here. it has the advantage of good stability of fluorescence, long life span and the strong quenching effect
本課題光纖氧氣傳感器檢測系統是基於熒光猝滅效應的檢測機制，通過測定熒光壽命從而檢測氧氣濃度的，熒光猝滅效應所引起的熒光壽命具有很好的穩定性、猝滅效果以及系統使用壽命長。A hypothetical particle postulated to be the quantum of gravitational interaction and presumed to have an indefinitely long lifetime, zero electric charge, and zero rest mass
引力微子一種假想粒子，被假定為引力相互作用的量子，並被推測為具有無限長壽命、零電荷和零靜止質量To overcome the shortage, in this paper, the time parametert is introduced into the structural resistance and load model, and it makes the calculation of the dynamic reliability available. 2
本文在借鑒前人研究成果的基礎上，在結構抗力模型和荷載模型中引入了時間參數t ，提出了一個簡單、實用的動態可靠度計算方法，為後文的可靠性評定，壽命預測奠定了基礎。Life test 1. 5 times rated voltage at 85 for 500hours
壽命測試85 ， 1 . 5倍于額定電壓條件下工作500小時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。After generalizing the characteristic of modern equipment, the mission of equipment management and general situation of chinese equipment management, basied on two forms of equipment management - - - - - - practicality & value, the author combined quantitative & qualitative methods with example to analyze and discuss questions, especially the reasonable update & depreciation, accordingly achieving the optimization of the technical efficiency & economic benefit 0 one of emphases of the thesis is methods application of equipment reasonable update, that is starting with economic benefit to looking for reasonable using fixed number of year. the thesis used inferior - converted numeric method and rate equation which based on the theory square and combined with harbor loading machines & tugboat ' s actual facts, calculated the economic life of the same machine in order to make sure harbor machines " reasonable using fixed number of year. at the same time, the author made use of midpoint value regress method and stochastic trapeziform forecast method to calculate and analyze and gain the reasonable conclusion o the other emphases is questions of harbor equipment
本文概括介紹了現代設備的特點、設備管理的任務以及我國設備管理發展的概況后，作者從設備經濟管理的兩種形態? ?實物形態和價值形態出發，採取定量與定性相結合，以定量為主，結合實例進行分析與論述，對港口設備的合理更新與折舊問題進行了著重研究，從而實現設備的技術效能和經濟效益的最優化。本文研究的重點之一是設備合理更新的方法應用，即從經濟效益出發，來尋求設備的合理使用年限。本文結合港口裝卸機械和港作拖輪的實際，運用以正方形理論為基礎的低劣化數值法和費用方程兩種方法，計算了同一種機械設備的經濟壽命，從而確定港機合理的使用年限，同時，運用了中點值回歸法和隨機梯形預測法進行計算和分析，得到了合理的結論。Structural adhesives - determination of the pot life working life of multicomponent adhesives
結構膠粘劑.多元膠粘劑的壽命測定Standard test method for determination of cycle life of automatic valves for gas distribution system components
氣體分配系統組件用自動閥的周期壽命測定的標準試驗方法The influence of y _ 2o _ 2s : eu phosphors fluorescent spectra, chroma and luminescence intensity is systematically studied when different concentration of europium is adulterated into different phosphors by means of xrd, fluorescent spectra analysis, time - basing spectra analysis, long - persistent fluorescent spectra analysis and so on ; the influence on y2c > 2s : eu phosphors structure, luminescence intensity and long - persistent curve is investigated when different concentration of mg24 " > ti4 " 1 " is adulterated into different phosphors, finding the most suited concentration of mg2 " * ti4 " 1 " ; base on the suited concentration of mg2 + > ti4 +, the influence rule on phosphors luminescence intensity and long - persistent curve with changing of eu + concentration is also studies. at the same time, by using rare - earths metals adulteration and theory of chroma synthesis, the possibility of sensitized buildup of phosphors and the synthesis of different color long - persistent phosphors is also researched
應用x射線粉末衍射（ xrd ） 、熒光光譜、時間分辨光譜及磷光體長余輝壽命測試等綜合實驗手段，較系統地研究了摻雜eu對熒光體y2o2s ： eu熒光體的發光光譜、色度和發光強度的影響；研究了不同mg ， ti含量對磷光體基質結構性能、發光強度與余輝曲線的影響及其適宜的摻雜濃度；基此，研究了在給定mg ， ti含量時，不同eu摻量對磷光體發光強度和余輝的影響規律；從稀土摻雜和色度合成原理分別探討了eu的發光敏化增強和制備不同光色長余輝磷光體的可能性。En iso 12115 fibre - reinforced plastics. thermosetting moulding compounds and prepregs. determination of flowability and shelf life
纖維增強塑料.熱固模塑混合物和預浸料.流動性和貯藏壽命測定Adhesives for leather and footwear materials - determination of optimum activation temperatures and maximum activation life of solvent - based and dispersion adhesives
鞋靴材料和皮革用膠粘劑.基於溶劑分散的膠粘劑最優活化溫度和最長活化壽命測定It is not suitable for geodetic and geodynamic study, which requires a regular shape, small area - to - mass ratio, precise tracking capabilities resulting in cm orbit accuracy, negligible slew times and long operational life ( 10 - 15 years )
後者要求衛星有較規則的外形、較小的面質比和較長的壽命，其定軌精度應達到與觀測精度相當的水平（好於幾cm ） 。分享友人