閾強度 的英文怎麼說

中文拼音 [qiáng]
閾強度 英文
threshold inte ity
  • : 名詞1. [書面語] (門坎兒) threshold; doorsill2. (界限; 范圍) threshold
  • : 強形容詞(強硬不屈;固執) stubborn; unyielding
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  1. Corticofugal modulation of frequency tuning of inferior collicular neurons in big brown bat, eptesicus fuse us chinese science bulletin, 2000 in order to explore the possible mechanism of corticofugal modulation of excitatory frequency tuning curves ( eftcs ) of midbrain neurons, we examine the change of sharpness, frequency - intensity response area, minimum threshold of both eftcs and inhibitory frequency tuning curves ( iftcs ) of inferior coliicular neurons during corticofugal modulation using two - tone inhibition paradigm and micro - electrical stimulation technique

    第二章大棕幅聽皮層對中腦下丘聽神經元頻率調諧曲線的調制科學通報, 2000用雙聲刺激的方法和電刺激技術,進一步研究了在激活聽皮層前後下丘聽神經元興奮性和抑制性頻率調諧曲線的銳、頻率反應區域、最低值的協同變化
  2. The sort, material composite, structure properties and conduction mechanisms of eca ( electrical conductive adhesive ) were discussed in this paper. then three types of ega specimens were designed and made, on which temperature cycles test from - 55 ? to + 125 ? and thermal aging at + 125 ? were carried out. changes of the adhesive strength, eca ' s bulk resistance and contact resistance under the environment stress were summarized and a detailed evaluation on these specimens was given

    本文在全面闡述導電膠的分類組成、物理結構、導電機理的基礎上,設計並製作了三批導電膠樣品,通過對樣品進行長時間的- 55 ? ? + 125溫循環和125高溫存儲試驗,總結了導電膠粘接、體電阻和接觸電阻在環境應力下的變化規律,對三類樣品的長期可靠性做出了全面的評價,並結合導電膠電阻率和「穿流值」的計算機模擬,給出了提高導電膠可靠性和電導率的建議,介紹了國內外在高電導率高可靠性導電膠研製方面的一些最新進展。
  3. This method utilizes the distribution property of image intensity. given the false alarm probability, the threshold for likelihood difference can be determined

    該方法利用sar圖像的分佈特性,根據虛警率確定相鄰區域之間存在邊界的似然差函數的值。
  4. The damage threshold of nodular cast iron exists and increases with nodularity, but this threshold is always below the yield strength, which has related significant reference to the design of machinery structure and the choice of materials

    球墨鑄鐵存在著損傷值,其大小隨球化率提高而呈直線增大,但損傷值皆小於屈服,這一點對機械結構的設計和選材具有重要參考意義。
  5. As the injection current is increased above the threshold value (10. 7-24), the laser oscillation intensity builds up.

    當注入電流增加到由式(107-24)表示的值以上時,激光振蕩就會增長。
  6. Method for determination of threshold stress intensity factors and fatigue crack growth rates in metallic materials

    金屬材料的限應力因子和疲勞裂紋增長率的測定方法
  7. We also calculated the threshold and efficiency curves with the crystal length, pump power, wavelength of signal wave and mismatch etc on the single resonance oscillator ( sro ) of clbo. the most obviously difference of dro and sro is that when the pump power is higher and the crystal length is longer, the efficiency curves become smooth but not descend in comparing sro to that of dro

    在對單諧振和雙諧振的振蕩值和轉換效率的理論研究中,得到了單諧振與雙諧振不同的是:在單諧振情況下,隨泵浦、晶體長的增加,轉換效率曲線只有飽和的趨勢,而無下降趨勢的結論。
  8. Choose the frequency from 14 to 16 bark as the embedding positions which below the masking threshold. then change the dct coefficient with the certain strength of

    選用中低頻14 16bark段在掩蔽值以下的頻率分量作為嵌入點,對該嵌入點的dct系數以一定嵌入作修改來實現秘密信息的嵌入。
  9. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設計方案:計算了不同泵浦下的參量放大倍數;詳細計算了在nd : yag調q激光器各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及非共線類相位匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;計算了參量過程的允許角;計算了bbo - opo的理論值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質量的方法;考慮了bbo晶體的設計。
  10. 22 paired inferior collicular neurons were obtained in the experiment. the neurons were recorded in the depth of 198 - 1254 u m ( 544. 59 ? 72. 37 n m, m + sd ), and their bfs were 11. 25 - 59. 29 khz ( 26. 77 + 9. 95 khz, m ? d ) : the minimum thresholds ( mts ) werelo - 66 db spl ( 38. 14 ? 14. 39 khz, m + sd ) ; the latencies were 4. 0 - 16. 0 ms ( 8. 19 + 3. 14 ms, m + sd ) ; the best intervals between paired sound pulses were 0. 01 - 28. 71 ms ( 3. 93 + 2. 52 ms, m ? d ) 0 the results showed : l ) there were interactions between the neurons in the iso - frequency lamina and hetero - frequency lamina which included mutual inhibition ( 18 / 22, 81. 8 % ) and mutual facilitation ( 4 / 22, 18. 2 % ), and the mutual inhibition in iso - frequency lamina was stronger than that in hetero - frequency lamina ; 2 ) the mutual inhibition decreased with sound level increasing ( p < 0. 001, anova ) ; 3 ) the analysis of the inhibition of discharge rate at lodb above mt showed that the inhibition increased when the paired neurons " bfs difference decreased ( r = - 0. 545, p = 0. 0006 ) ; 4 ) the mutual inhibition of paired neurons can sharpen the frequency tuning and the effect increased when the frequency was away from the bf ; 5 ) the changes in q10, q30 decreased with bfs difference of the paired neurons increasing ; 6 ) the mutual facilitation between paired neurons not only increased discharge rate, but also widened the frequency tuning, i. e., increased response frequency

    結果表明: 1 )同頻層神經元之間或者非同頻層之間神經元之間存在相互作用,這種作用既有相互抑制( 18對,佔81 . 8 ) ,也有相互易化( 4對,佔18 . 2 ) ,且同頻層神經元之間的相互抑制作用較非同頻層神經元之間的相互抑制作用要; 2 )神經元對低刺激反應時,所受到的相互抑制作用較,隨著聲刺激加大,抑制作用逐步降低( p 0 . 001 , anova ) ; 3 )對上10db放電率抑制百分比進行的分析顯示,配對神經元之間的最佳頻率差越小,相互抑制作用越( r = - 0 . 545 , p = 0 . 0006 ) ; 4 )配對神經元之間通過相互抑制作用可表kx碩士學位論文waiaster 』 sthesis現出調諧銳化作用,該作用的效率與頻率有關, bf處的銳化作用較低,偏離bf時其銳化作用逐步加; 5 )頻率銳化作用的效率與bf差有關,隨著配對神經元之間的bf差擴亢q10 , q30值的變化逐漸減小,其變化百分比與配對神經元之間的頻率差存在明顯相關; 6 )配對神經元之間的相互易化作用不僅表現在放電率增加上,也表現在頻率調諧曲線的擴寬,即頻率響應范圍擴大。
  11. The gasoline flame radiation intensity and flicker frequency are both monitored to improve the system reliability. thus it is trusted “ flame on ” only under the case when the radiation intensity and flicker frequency are both above the threshold values ; otherwise it is treated as “ flame blowout ”. then the transmitter, the displayer and the software also are present

    本設計中採用同時測量火焰輻射和燃燒時閃爍頻率的方式保證監測的可靠性,當頻率和均高於設定的值時,判定為「有火」 ;反之,判定為「無火」 。
  12. With the intensity of laser increased a series of new phenomena appears, for example, multiple photon lonization ( mpi ), above threshold lonization ( ati ), tunnel lonization ( tl ), stable lonization ( si ) and so on

    隨著激光的增加,會出現一系列的新現象,例如多光子電離,隧穿電離,上電離和穩定化電離等現象。
  13. Acoustics. reference zero for the calibration of audiometric equipment. part 3 : reference equivalent threshold force levels for pure tones and bone vibrators

    聲學.聽力測定儀器的校準用基準0 .第3部分:純音和骨振動器用基準等效聽閾強度
  14. The study of srs in non - linear optic fiber by simulink emphatically. the initial intensities of pump beam and stokes beam are similar, and small signal gain theory needs to amend have been pointed. srs comply with the special growth law, does not have " threshold " characteristics. lt depends not only on the intensity of pump beam but also on the intensity of stokes beam itself. even if the intensity of pump beam is weak, fhe srs effect is maybe still take place. in addition, the problem about srs effect depends on the number of channels, power in each channel and space of the channels, in a dwdm system has been studied

    並著重論述了如何利用simulink研究非線性光纖光學中的受激喇曼效應,指出在光纖通信的情況兩個光束的初始相差不多時,小增益理論需要修正。 srs遵從特殊的增長規律,並不具有「值」特性。 stokes束的增長不僅依賴于泵浦波的,而且也和自身的有關系。
  15. Once the field is larger than the threshold field, the molecules of liquid crystal tend to the magnetic field direction and they will align to the magnetic completely under some conditions i. e. it is saturated so it is important to calculate the threshold and saturation field

    在平衡狀態下,兩個轉矩的作用相互抵消。一旦磁場超過一定的值,液晶內部的分子將更易於沿外磁場方向的排列。一定條件下分子完全沿磁場排列,即達到飽和。
  16. By contrast, a algorithm called image segmentation based on edge detection is used to make the initial binary segmentation

    在二值化初級分割中,對比了幾種分割方法,選擇基於邊緣值選擇方法。
  17. When the performance degradation is caused by the discrete cumulative damages, the degradation failure model based on renewal process is proposed and used to analyze the reliability of metallized film pulse capacitors in the laser device. when the degradation process is continuous, two models based on wiener - einstein and gamma processes are presented respectively. because it is difficult to obtain an analytical expression of the failure model using the latter method, we present a failure model based on monte - carlo simulation

    根據該模型的特點,給出了基於參數回歸分析的統計推斷方法,分別提出基於比例危險模型的競爭失效分析方法和基於位置-尺模型的競爭失效分析方法; ( 4 )對于隨機失效值問題,研究並給出了相對失效標準下的退化失效模型和分析方法;對退化的動態應力-干涉失效進行分析,提出了周期性應力作用下的動態應力-干涉失效可靠性模型和復合應力作用下動態應力-干涉失效可靠性模型。
  18. As the injection current is increased above the threshold value ( 10. 7 - 24 ), the laser oscillation intensity builds up

    當注入電流增加到由式( 10 7 - 24 )表示的值以上時,激光振蕩就會增長。
  19. Fourthly, the incident intensity threshold of the fanning effect in twm was measured in the ce : knsbn crystal, and it is about 20mw / cm, while using 632. 8nm red light with e polarization as writing beam

    實驗發現在e偏振光寫入情況下, ce : knsbn晶體中光扇存在寫入光值特性,當寫入光大於20mw cm ~ 2時光扇效應明顯增
  20. So they can be used for spectroscopy, coherent communication and quantum optical studies. they also can produce various kinds of nonclassical states of light generation of squeezed vacuum below threshold, of strongly intensity - correlated twin beam above threshold and quadrature squeezing of the pump wave above threshold

    同時,連續光學參量振蕩器也是一種產生非經典光場的理想裝置:低於值運轉可以產生正交位相壓縮真空態,高於值運轉可以產生關聯的孿生光子對以及反射泵浦光的正交分量壓縮。
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