critical layer 中文意思是什麼

critical layer 解釋
臨界層
  • critical : adj 1 批判的,批評的;(在某方面)有鑒定力的 (in)。2 吹毛求疵的;愛挑剔別人的 (of about)。3 ...
  • layer : n 1 放置者,鋪設者,計劃者。2 【賽馬】(一般)賭客。3 產卵的雞。4 【軍事】瞄準手。5 層;階層;地...
  1. On critical length of flexural slumping rock layer in layered rocky slope and its influencing factors

    順傾邊坡巖層滑移彎曲臨界長度及其影響因素分析
  2. The metal nanoparticles that form in hot critical layer are drawn from reaction area and arrives designated installation via the centrifugal selection grades ware under the transport of inertia gas current, then metal nanoparticles are collect via filter completion

    氣流將在熱臨界層中形四川大學博士學位論文成的金屬懸浮顆粒從反應區中提取出來,經過離心分級器的篩選,在惰性氣流的輸運下抵達指定裝置,通過濾器完成對金屬納米顆粒的收集。
  3. Through the analysis of hydrological yeologys features by analyzing the gielding water of mining section, the critical value of waterhead, the critical thickness of water - resisting layer and othr hydrological geology factors concerned, the researches on the feasibility of the extraction of eastern mine area liyi mine at - 660m under ground with the menance of high - level limestone water have been done

    主要通過水文地質特徵分析,從采區涌水量、臨界水頭值及臨界隔水層厚度及相關的水文地質因素對李一礦- 660m水平東翼采區在高水位灰巖水威脅下開採的可行性進行了研究。
  4. This critical layer surrounds a solid inner core of nearly pure iron that underlies 2, 900 kilometers of solid rock that form the massive mantle and the ultrathin crust of continents and ocean floors

    這關鍵性的外核包覆著幾乎是由純鐵所組成的固態內核,深埋在厚重的地函與極薄的大陸、海洋地殼之下,距離地表的深度約2900公里。
  5. This model not only can calculate the critical pressure, critical crossflow velocity of critical point and critical layer thickness, but also can predict the relationship between the nature of the critical point and different kinds of operation parameters

    用該模型不僅能計算錯流微濾過程中臨界點的臨界壓力、臨界錯流速度和臨界濾餅層厚度,還可以對臨界點的性質與微濾中各項參數的關系進行預測。
  6. A normal transform is introduced, and there are enough much grids in the region between the critical layer and the wall, where the variation of the disturbance is the quickest. the finite - difference of governing equations with fourth - order accuracy in the normal direction is utilized in full regions including points close the wall, and is very important for accurately discreting equations. the combination of global and local methods is implemented, and a new iterative formula is derived

    對于曲線坐標系下的拋物化穩定性方程,文中發展了求解的高效數值方法:引進法向變換,使得在臨界層與壁面之間的擾動量變化最快的區域有更多的法向網格點;導出包含邊界鄰域在內的完全四階精度的法向有限差分格式,這對方程精確離散至關重要;採用全局法和局部法相結合的方法及其新的迭代公式,大大加速收斂並得到更精確的特徵值。
  7. Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency

    詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線,實驗結果表明,溫度漲落的中性曲線在低格拉斯霍夫grashof數
  8. In this paper, the research progress of ac losses of high temperature superconductors and the existing problems on ac losses investigation are introduced ; the characteristics of the critical current and ac losses of hts tapes, stacked tapes and hts coil, such as electro - magnetic characteristics, the anisotropy, the mechanics characteristics and the effects of insular layer between stacked tapes and the influence of frequency of ac transport current etc, are investigated

    本文在系統介紹高溫超導體的交流損耗及其研究現狀與存在問題的基礎上,從理論和實驗兩方面,研究了bi系高溫超導單根帶材、多根超導並聯組合帶材、及超導線圈的臨界電流與交流損耗的特性:重點研究了交流損耗與臨界電流的電磁特性、機械特性、各向異性特性、及帶間絕緣層與傳輸電流頻率對交流損耗的影響等。
  9. The future wireless mobile communication systems are expected to provide ubiquitous, high - quality, and high - rate mobile multimedia transmission. however, hostile multipath fading radio conditions give rise to serious inter - symbol interference ( isi ) ; even worse, wireless channel are often time varying, which makes the system more vulnerable and more difficult to track the channel state. orthogonal frequency dvision multiplexing ( ofdm ), which is inherently resistant against isi, has invoked a popular research interest in recent years, and has been a promising candidate technology of the physical layer for future weideband high - date - rate wireless communications. notwithstanding, ofdm is much more vulnerable to errors of both time and frequency synchronization and to that of channel estimation, and how to obtain correct timing and channel estimation efficiently is highly critical to ofdm systems. the dissertation will focus on both of the aspects of ofdm systems mentioned above

    但是無線環境的多徑特性造成通信系統中嚴重的符號間干擾,同時無線通道的時變性使得通道特性跟蹤復雜。而正交頻分復用技術( orthogonalfrequencydivisionmultiplexing , ofdm )正是一種解決符號間干擾的有效傳輸手段,因此ofdm技術作為未來寬帶高速率無線通信的物理層候選技術在當前引起了一股研究熱潮。但ofdm系統對定時同步誤差和通道估計誤差非常敏感,如何在ofdm系統中準確快速地實現符號同步和通道估計是至關重要的,本論文將重點針對這兩個問題進行討論。
  10. By structural analysis and calculation for original highway structure without permeable layer, the critical modulus of base have been obtained which makes asphalt pavement fill different allowable stress criterion. by structural analysis and calculation for different highway structure with permeable layer, critical modulus of permeable base course are obtained to make asphalt pavement fill different allowable stress criterion. the paper also presents the tendency of structure response of different highway structure with drainable layers mainly depends on the thickness of asphalt pavement, the thickness and the critical modulus of permeable base

    對于不設排水層的原路面結構,通過結構計算得出對應于不同的瀝青面層容許應力值時所需的基層臨界模量值;對于加設排水層的路面結構,通過結構計算得出對應于不同的瀝青面層容許應力值時所需的排水基層臨界模量值;加設排水層的路面結構的結構反應的變化趨勢主要取決于瀝青面層厚度、排水基層厚度和排水基層臨界模量值。
  11. Non - linear stability critical loads of single - layer and double - layer reticulated spherical shallow shells based on continuum analogy method

    單雙層球面扁網殼連續化方法非線性穩定理論臨界荷載的確定
  12. A modified definition of polarization resistance calculated from the equivalent circuit of eis make its value dependent on the grain size. in anodic polarization test ( sweeing and stair - steps ), the maximum ( critical ) current density increases while the passivation potential and breakdown potential lowers with the reduction of the grain size. fegsem images showed the grain growth and pitting corrosion of the nc copper surface, uniform corrosion in the mc copper surface and the broken passivation layer in both surfaces

    在陽極極化實驗(包括掃描法和臺階法)中,致鈍電流雖晶粒尺寸減小而增大,而致鈍電位和擊穿電位都隨著晶粒細化而降低。 fegsem照片發現了納米晶銅的晶粒長大和孔蝕,微米晶銅表面的均勻腐蝕,和兩種銅表面破碎的鈍化膜。
  13. This tool is aim to test the technology of evading ids by utilizing the weaken of network layer and the transmission layer. and then we test the snort by using the tester and the hacker tool, from the result we find a critical problem faced by a network intrusion detection system ( nids ) is that of ambiguity is the main reason that producing the make false positive and false negative

    通過該工具與第三方黑客軟體? fragroute相結合,對入侵檢測系統軟體- - snort進行測試,從結果的分析中得知網路入侵檢測體系所面臨的語義模糊性問題是造成漏報率和誤報率很高的一個主要原因,入侵者就可能利用這一漏洞逃過nids的檢測或者引起檢測系統的誤警。
  14. Crosstalk avoidance, and many other aspects that are critical in routing practice including congestion, vias, layer preference, etc., are taken into account. a track reservation strategy is adopted in the algorithm framework to compensate the undesired effects caused by sequential routing

    這些中間階段包括層分配確定線網各段所在的布線層軌道分配確定較長線段占據的軌道屏蔽插入在某些軌道上插入屏蔽線等。
  15. The theoretical calculation and explanation of strain behavior during heteroepitaxy of oxides thin films : when the lattice mismatch is relative small ( for example, batio _ 3 / srtio _ 3 with a lattice mismatch of 2. 18 % ), the growth mode of thin films is layer - by - layer, and the critical thickness and strain relaxation can be calculated or estimated by matthews - blakeslee expressions ; when the lattice mismatch is large ( for example mgo / srtio _ 3 with lattice mismatch of 8 % ), the strain relaxation process can be explained by theory of coherent strained islands

    氧化物薄膜異質外延應變行為的理論預測和解釋。對于晶格失配較小的外延體系(如batio3 / srtio _ 3 2 . 18 % ) ,薄膜以層狀方式進行生長,臨界厚度和應變釋放過程可以用經典的matthews - blakeslee公式進行預測;對于晶格失配較大的體系(如mgo / srtio _ 3 8 % ) ,薄膜以島狀方式進行生長,應變釋放過程可以由彈性應變島的理論體系進行解釋。
  16. An experimental investigation on the transition in the boundary layer of horizontal plane with and without single two - dimensional roughness elements has been carried out in the wind tunnel. the distribution in normal and stream - wise directions of intensity of t - s wave excited by vibrating beam was measured in every condition. neutral curves were obtained by measuring the growth of the t - s wave at the normal critical location along the stream - wise direction

    在風洞中對水平光滑平板以及加有粗糙元平板的邊界層轉捩進行了測量與研究,比較了不同情況下平板邊界層內由振動梁激勵生成的t - s波沿流向和法向強度的分佈規律,得到了相應的振型增長曲線以及中性曲線。
  17. Applying the energy equation and boundary layer theory, this article also analyzed the relationship of energy transformation of overflow, and obtained the experience index and formula of instability critical conditions

    並應用水流能量方程和邊界層理淪,研究了圍堰過水時的水流能量轉換關系,得到了穩臨界條件的指標和經驗判別式。
  18. However, under planting conditions, the content of nitrate nitrogen in 10 to 20cm soil layer and the ammonium nitrogen content in 5 to 10cm soil layer, the organic carbon content in 0 to 5cm soil layer were the most critical factors in mulch and no mulch treatment, respectively. 5

    對覆膜種小麥處理, 10 - 20cm土層土壤的硝態氮含量對土壤中n _ 2o排放通量的影響最大;對無膜種小麥處理, 5 - 10cm土層土壤的nh _ 4 ~ + - n及0 - 5cm土層土壤中的有機質含量決定了土壤中n _ 2o的排放通量。
  19. Dissertation explains the critical design of deltabrowser ' s gui management and the service indication and data format process layer

    Deltabrowser是一個面向嵌入式領域的、穩定的、實用的、功能強大的嵌入式瀏覽器。
  20. The equilibrium path is traced using the arc - length scheme with the rigid - pin - joint model in which the spatial beam elements are used in single - layer parts and spatial truss elements are used in the double - layer parts. thus the stability behavior is summarized and the critical load is obtained. 2

    本文採用鋼、鉸接模型,即單層部分採用空間梁單元,雙層部分採用空間桿單元,應用弧長法跟蹤了網殼結構的平衡路徑,總結了此類網殼結構的失穩規律,並且得出了結構由單層過渡到雙層時臨界荷載的變化規律。
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