衰減長度 的英文怎麼說

中文拼音 [shuāijiǎnzhǎngdù]
衰減長度 英文
attenuation length
  • 衰 : 衰動詞（衰弱） decline; wane
  • 長 : 長Ⅰ形容詞1 （年紀較大） older; elder; senior 2 （排行最大） eldest; oldest Ⅱ名詞（領導人） chief;...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 衰減 : attenuation; decay; damping; reduction; rejection; weakening; deamplification; dampening; dying o...
  • 長度 : length; longitude; size; extent; footage
  1. The fatigue behavior of strength, stiffness, and deformation of concrete is analysed systematically. the fatigue equation is established. the empirical expressions of the total longitudinal strain and the elastic modulus are given, and the relationships between the increasing rate of the total second - stage strain and the decreasing rate of the elastic modulus with the cyclic number are obtained

    系統地分析了砼抗拉、拉-壓疲勞強度、剛度、變形規律；建立了相應的s - n關系，提出了縱向總應變、彈性模量的經驗公式，及其第二階段總應變增長率、彈性模量衰減率分別與疲勞壽命的關系式。
  2. The research on attenuation features of intensity in the yunnan region by using intensity isoseismals of 127 earthquakes, and the following three conclusions have been put forward : ( 1 ) average ratio values of long - axis to short - axis of innermost isoseismal in the yunnan region is larger than eastern china and smaller than western china

    摘要本文利用127次地震等震線資料，對雲南地區地震烈度衰減特徵進行了研究，其結果表明： （ 1 ）雲南地區地震烈度極震區等震線的長軸、短軸之比的均值，高於我國東部地區而略低於西部地區的平均值，烈度衰減方向性強。
  3. The pn and don were 32 % and 40 % in autumn, 31 % and 39 % in spring 1998, respectively. pn and pp in autumn shows strong vertical gradation in autumn other than spring, and other nutrient species shows relatively uniformity in vertical scale

    由於秋季浮游植物優勢種為硅藻且其生物量和初級生產力均高於春季，春季優勢種則為硅藻和甲藻，結合調查海域葉綠素與化學要素間的相關程度，可推斷秋季正處于浮游植物生長的發展階段，而春季正處于浮游植物生長的衰減階段。
  4. Light launch conditions for long length graded - index optical fiber spectral attenuation measurements

    長距離分級指數光纖光譜衰減度測量的光發射條件
  5. Attenuation by substitution measurement for short - length multimode graded - index and single mode optical fiber cable assemblies

    交替測量法進行短長度的多模漸變折射率光纖電纜和單模光纖電纜組件衰減量的測量
  6. Secondly, other parameters such as temperature difference and emissivity of target and sky, molecular absorptive transmittance, instantaneous field of view ( ifov ), contrast threshold and radiant wavelength are discussed in detail

    然後，對目標天空背景溫差、發射率，氣溶膠衰減系數，瞬時視場、對比度探測閾值以及輻射波長等參數作了詳細討論。
  7. The variation of db magnitude attenuation and phase delay of reflection is uniformly proportional to distance along the line toward the direction of reflection, where the phase delay is 360 degree per wave length, the db attenuation per meter is twice the one way db attenuation per meter of forward or backward wave

    沿傳輸線之反射，即反向傳播與正向傳播電壓沿傳輸線之相量比，其相位落後及分貝衰減沿反射方向之變化則正比于線長，相位落後為每半波長三百六十度，每米之分貝衰減為正向波或反向波單程每米之分貝衰減之兩倍。
  8. E ). on the basis of validation of stress attenuating formula, the calculation formulas of hole jam length and space between chambers of linear room chamber have been achieved

    E ）在對應力衰減方程驗證的基礎上，應用該方程獲得了炮孔藥包堵塞長度和條形硐室藥包藥室間距計算公式。
  9. It also has been validated by the test result. on the basis of reduced stress attenuation formula, the paper elicit theoretical calculation expressions of jam lengths in hole blasting and space between charges in linear charge blasting. linear charge blasting at the net of highway to zhuhai aerodrome and the hole blasting at underground stope in gaofen mining company have been design by the expressions

    根據建立的條形藥包爆破徑向應力衰減方程，得出了淺孔爆破堵塞長度和條形硐室藥包爆破藥室間距理論計算公式；按推導的計算式設計了珠海西區機場路埡口條形藥包爆破和高峰礦業有限責任公司地下采場淺孔爆破。
  10. Attenuation by substitution measurement for short - length multimode graded - index and single - mode optical fiber assemblies

    短長度多模分級指數光纖和單膜光纖組件用代換測量法的衰減試驗
  11. 754 horizontal - component digital broad - band records in western north america are processed. the acceleration response spectra are calculated and used as part of the database. the response spectrum values are estimated by the earthquake magnitude definition and are used as another part of the database

    將美國西部地區作為參考地區，對美國南加州地區的數字寬頻帶記錄進行了搜集與處理後作為觀測資料，共754條水平向記錄，與利用震級定義所估計的反應譜值一起，用統計回歸的方法建立美國西部長周期加速度反應譜衰減關系。
  12. The rehological deformation will result in change of strength of the filling material. during the rapid rehological deformation period, weak filling material was broken and getting finer, the strength decreases at the same time. in the stable deformation period, the fine particles fill up the pores so that the strength increases slowly

    在最初的流變加速期，軟弱顆粒逐步破碎細化，強度是衰減的；進入流變穩定變形期后，細化顆粒向粒間孔隙滑移充填，堆石的密實度有所提高，強度又呈緩慢增長趨勢。
  13. The results showed that the gradation, which designed by volumetric methods, has perfect water - stability and other pavement performance also can meet the demands of expressway. by integrating compaction capacity and pavement performances, the optimal ratio of the structural layer thickness to the maximum particle - size is 2. 5. the water resistance of the mixture added amine type anti - stripping agent attenuates severely after long - term aging, but the mixture added hydrated lime not only can improve obviously the capacity of water resistance, but also has perfect long - term pavement performance

    研究結果表明，採用體積法設計的級配不僅具有較好的水穩定性而且其它路用性能均滿足高速公路面層的要求；綜合考慮壓實性能及路用性能，提出了瀝青路面表面層結構層厚度與混合料最大粒徑的合理比例為2 . 5 ；摻有液體胺類抗剝落劑的瀝青混合料經長期老化后其抗水損害能力衰減嚴重，而摻加消石灰的混合料能顯著提高其抗水損害能力，且長期性能較好，是一種優良的抗剝落劑。
  14. We have demonstrated a novel voa based on high birefringence fiber loop mirror, which has many advantageous characteristics such as a simple structure, high flexibility, polarization independence, low insertion loss and low price, etc. experimental proof shows that it is convenient to realize the control of optical power by using this voa

    2 .利用雙折射光纖環鏡設計並製作了一個結構簡單的可調諧光纖衰減器，具有靈敏度高，偏振無關，低插入損耗和低成本等特性。實驗證明它可以很方便的控制光功率。 3 .提出了一種由布拉格光纖光柵和高雙折射光纖環鏡共同構成波長選擇器件的摻鉺光纖激光器。
  15. According to this model, the s - n curve of a material can be measured with much less samples than before

    強度衰減模型結合強度增長模型，可以為基於結構強度潛力充分發揮的輕量化設計提供技術指導和評價依據。
  16. In this article, a new theoretical model on diametral growth ( or ballooning ) of coiled tubing ( ct ) under the action of an internal pressure is derived based on fatigue cyclic softening and elasticity and deformation plasticity theories

    根據疲勞循環屈服強度衰減模型和彈塑性變形理論，推導了連續油管在內壓作用下的直徑增長（鼓脹）的理論模型。
  17. Abstract : in this article, a new theoretical model on diametral growth ( or ballooning ) of coiled tubing ( ct ) under the action of an internal pressure is derived based on fatigue cyclic softening and elasticity and deformation plasticity theories

    文摘:根據疲勞循環屈服強度衰減模型和彈塑性變形理論，推導了連續油管在內壓作用下的直徑增長（鼓脹）的理論模型。
  18. It can be seen from the analyses that light with different wavelength has different losses when it propagates in different waveguide and light with same wavelength also has different loss when it propagates in different waveguide

    從模擬結果可以看出，不同波長的光在同一介質中傳播時的衰減程度不一樣；而同一波長的光在不同波導中傳輸時的損耗也不一樣。
  19. Based on the application studies of pcm, dcvc, cips and scm in protective coating for long - distance buried pipeline and the characters of long - distance buried pipeline in shandong, the synthetic inspection technology of protective coating for long - distance buried pipeline is proposed

    摘要通過對電磁電流衰減法、直流電位梯度法、密間距電位測試技術、雜散電流測試儀在埋地長輸管道外防腐層檢測上的應用研究，並根據山東省埋地長輸管線的分佈特點，提出了聯合檢測方法。
  20. The model results show that when the ct is cycled under the action of an internal pressure, fatigue cyclic softening inevitably leads to the diametral growth

    理論模型計算結果表明，當連續油管在內壓下循環彎曲時，疲勞循環屈服強度衰減不可避免地導致直徑增長。
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