peak ratio 中文意思是什麼

peak ratio 解釋
蜂比率
  • peak : vi 1 瘦弱;消瘦,憔悴。2 減少,縮小 (out)。n 1 山峰,山頂;孤山。2 (胡須等的)尖兒;尖端。3 最...
  • ratio : n. (pl. ratios)1. 比,比率,比值;比例;系數。2. 【經濟學】復本位制中金銀的法定比價。vt. 1. 用比例方式表達;求出…的比值;使…成比例。2. 將(相片)按比例放大或縮小。
  1. With the increasing salt concentration, milk - clotting activity became higher and higher, then reached its peak, and then decreased gradually ; in the early extraction, the speed was quick, the milk - clotting activity was increased obviously. after it amounted to the maximum, the activity became steadily lower steadily ; the increasing temperature in extracting could improve the extraction activity, but too high temperature could result in the denaturation and inactivation ; the greater the ratio of abomasums and butter and was, the quicker speed was when the enzymes was drawn out, and after extracting for twice, most of the enzymes in the abomasums could be drawn out

    隨著食鹽濃度增大,凝乳活性逐漸提高,當達到一定濃度后,凝乳活性又逐漸降低;在提取初期,提取速度較快,凝乳活性明顯提高,當提取達到最大值后,凝乳活性又逐漸下降;隨著提取溫度的升高,凝乳活性逐漸增大,但溫度過高時,會導致酶變性失活;隨著提取液與皺胃比例的增大,酶溶出速度加快,提取次數越多,皺胃中酶提取越充分,提取2次后,皺胃中絕大部分酶被提出。
  2. Finally, avirulent and virulent plant, bacteria of pseudomonas solanaceanim was investigated by chromatography. the result showed that there are two peaks when both bacteria was eluted, but their peak area ratio was quite different. when virulent bacteria was subject to chromatography after vibration by ultrasonic wave, both chromatographial behaviors of both avirulent and virulent pseudomonas solanaceanim were same basically, which showed a equilibrial peak and a eluting one

    最後,表徵了植物病原菌? ?青枯菌的強、弱致病菌株,結果顯示強、弱菌都有兩個洗脫峰,但峰面積比例有明顯的差異,強弱致病菌株經振蕩后,其色譜行為基本相似,表現為一個穿透峰和一個洗脫峰。
  3. Effect of si an capsule combined enalapril on hypertensive trough peak ratio and circadian rhythm of blood pressure in patients with essential hypertension

    四安膠囊合用依那普利對高血壓病患者降壓谷峰比及24小時節律的影響
  4. For increasing the effective material peak - value power ( empvp ), solving the contradiction between enhancing the pmsm ' s flux - weakening capability in the electromotor state and reducing the pmsm ' s connatural adjustment ratio in the dynamotor state and improving the efficiency of the pmsm, some solving method are taken as follows : the influence of length / diameter ratio to the empvp is analyzed, and the optimum size of length and diameter is chosen

    主要是從提高電機的有效材料峰值功率、解決pmsm提高電動機運行狀態時的弱磁擴速能力和減小發電機運行狀態時的電壓調整率之間的矛盾及提高電機的效率著手,分析了長徑比、氣隙長度對有效材料峰值功率的影響,並確定了它們的最佳尺寸。
  5. The process of initial culture showed quite difference in various hostas. h. ventricosa and h. " so sweet " were easier, while h. " frances williams " and h. " gold standard " were difficult. using shoot tip ( peak bud ) as explant was proved the effective method for improving survival ratio when hostas would defoliate or have defoliated in autumn or winter rather than in summer

    玉簪屬不同種類的組培初代建立存在著一定的差異,如h . ventricosa和h . 『 sosweet 』較容易建立,而h . 『 franceswilliams 』和h . 『 goldstandard 』比較困難;應在冬季玉簪屬植物將要落葉或已落葉后取莖尖(頂芽)進行初代建立,最好避開夏季,來提高初代建立的成活率。
  6. The columns and rows are constrained by each other. the simulations over binary symmetric channe ( lbsc ) and gilbert - elliott channel ( gec ) shows the performance is great improved, especially over burst error channel peak signal to noise ratio ( psnr ) is improved more. it is tried to be used in wireless communication system

    模擬結果表明,採用行列交替約束的約束維特比譯碼以後,性能得到較大的提升,尤其在突發錯誤通道中,傳輸的圖像經乘積編碼進行通道編碼與譯碼后峰值信噪比有明顯的提高。
  7. The ratio of the average power loss to the power loss under peak loading

    平均能量衰減與峰值負荷時能量衰減的比值。
  8. The following results were found, i. e., the water ratio affects obviously the acoustic wave velocity of rock sample ; the wave velocity is higher in saturated rock samples than in unsaturated ones ; and it decreases gradually with the strain of samples during uniaxial compression ; and also with the lengthening holding time at 160 ; when heating the samples the acoustic wave velocity increases slightly in initial stage and comes to the peak value at 60, then decreases gradually with increasing temperature ; meantime, there is a certain temperature effect on rock samples size

    實驗發現含水率對波速影響比較大,飽和巖樣的聲波傳播速度高於不飽和巖樣的聲波傳播速度;人工預制裂紋對聲波傳播速度影響不大;單軸壓縮條件下,聲波傳播速度隨應變增加逐漸降低;在同一溫度( 160 )下,波速隨保溫時間的增加而逐漸降低;在對巖樣逐漸加熱情況下,初始加熱階段波速略有升高,當溫度達到60時,巖樣波速達到峰值,之後隨著溫度繼續升高其波速逐漸下降;波速隨溫度變化具有一定的尺寸效應。
  9. Mz, a, sk, kg and sc / d ( ratio of the sum of silt and clay to sand ) of fluvio - lacustrine, palaeosols and aeolian sands constitute an interlocking, multi - fluctuation process curve with peak and valle y values : the < & value of mz, o and sk values often increase accordingly from aeolian sands to its overlying fluvio - lacustrine facies or / and palaesols, the kg value heightens, too, and the sc / d value also basically consists with its change steps

    河湖相和古土壤與風成砂的mz 、 、 sk 、 kg以及sc d (粉砂粘土之和與砂的比值)構成一峰谷交替、犬牙交錯的鋸齒狀多波動過程線:常常是由風成砂至上覆河湖相或和古土壤, mz的值、 、 sk值相應增大, kg相應增高, sc d值亦與之變化步驟基本一致。
  10. The incident wave height h1 / 3 is in the range from 0. 1m to 0. 25m, and the peak period tp in the range from 1. 0s to 2. 0s. the ratio of s / h1 / 3, which refers to the subface level of wharf deck ( s ) to the incident wave height ( h1 / 3 ), is between - 0. 1 and 0. 7. three different shore connecting types : open - piled, permeable slope with armored 1ayer of dolosse b locks and impermeable slope with armored layer of concrete plate, are set in the experiment for the research on the effects of boundary condition with different shore connecting types on the wave impact

    本文的物理模型試驗在大連理工大學海岸和近海工程國家重點實驗室的大波流水槽中進行,試驗中選用的隨機波靶譜為改進的jonswap譜,入射波波高h _ ( 1 / 3 )范圍為0 . 1m 0 . 25m ,譜峰周期t _ p范圍為1 . 0s 2 . 0s ,碼頭面板的相對凈空(碼頭面板底面距離靜水面的距離s與入射波波高h _ ( 1 / 3 )的比值)范圍為- 0 . 1 0 . 7 ,其中s / h _ ( 1 / 3 )為負值時表示碼頭面板底面位於靜水面以下。
  11. The peak of cd 137 expression on t cells from aging mouse appeared earlier compared with normal, and the appearance of the early peak was time dependently with aging. ( 2 ) the expression pattern of cd137 from subacute senile mouse was similar to that of the aging mouse. ( 3 ) the death ratio of t cells from aging mouse were higher than that of the normal level. ( 4 ) mrna of t cells from aging mouse and subacute senile mouse was decreased, and mrna from t cells of model mouse seem have a lower quantity than the aging mouse

    提取總rna ,應用rt - pcr方法檢測cd137的mrna水平變化。結果( 1 ) d -半乳糖致衰老模型小鼠和自然衰老模型的脾臟t細胞上cd137分子表達水平低於正常水平,表達高峰提前出現,隨后表達水平下降遲緩。 ( 2 )在造模過程中,亞急性衰老模型小鼠cd137分子表達水平逐漸降低,分子表達峰逐漸前移。
  12. A new calculation method for optimizing diesel engine performance, called nonlinear regression - mess method, is put forward. in this paper, 25 groups of simulated values are calculated from the diesel engine working model, specific fuel consumption, peak pressure, rate of pressure rise, nox and peak temperature are fitted into explicit function about compression ratio and fuel injection advance angle

    本文利用柴油機工作過程模型,得出25組模擬計算數據,利用非線性回歸將油耗、最大爆發壓力、壓力升高率、 no _ x濃度及最高燃燒溫度擬合成壓縮比和噴油提前角的顯函數,並用網格法進行優化,用c語言編制了優化計算程序,得出最佳的壓縮比和噴油提前角,使其優化匹配。
  13. The 3 batches with 7 groups of prism concrete test specimens and the 3 batches with 22 groups of cube ones were used in mechanical properties test, and a series of parameters of rpc was acquired such as prismatic strength, the cubic strength, split and pull strength, deformation module, peak strain, poisson ' s ratio

    進行三批7組稜柱體試件和三批22組立方體試件的力學性能試驗,測定了rpc200稜柱體抗壓強度、立方體強度、劈拉強度、彈性模量、峰值應變、泊松比等參數,並建立了變形模量和峰值應變的擬合公式。
  14. Abstract : on the basis of the general chromatography rate model, the effects of bi number, number, mass transfer pel number, particle diameter, injection and ratio of solute diameter and pore diameter on the chromatographic peak of taxol and the separation of taxol and cephalmonnine were simulated with computer. the essential factors affect on the chromatographic process of taxol and cephalmonnine were obtained and a more useful theory was provided to direct the chromatography separation of taxol and cephalmonnine

    文摘:根據建立的液相色譜普遍化速率模型,模擬了比渥數、數、傳質彼克列數、粒徑、進樣量和溶質分子直徑同多孔粒子孔徑比對紫杉醇色譜峰峰形和紫杉醇和三尖杉磷堿色譜分離度的影響,獲得了控制紫杉醇和三尖杉磷堿色譜過程的主要影響因素,從而為紫杉醇和三尖杉磷堿的色譜分離提供了更好的理論指導。
  15. The preliminary conclusion shows that the maximum rate of compression ratio changes is about 2 % and the change rate is less when the peak - to - valley value of wavefront aberration is less than a quarter of wavelength and incident angle is properly

    脈沖壓縮光柵對系統達到衍射極限時,在選擇適當的入射角度時,光柵波像差所引起的脈沖壓縮比變化並不大。
  16. Simulation results show that the ringing artifacts around the image are reduced, the main information is preserved, and the peak signal to noise ratio ( psnr ) is higher than the known methods

    模擬計算表明,該方法可有效抑制圖像邊界的振鈴效應並保護了圖像的重要信息,並且比現有的方法具有更高的峰值信噪比。
  17. Method based on component analysis ( peak value pick - up ) and global orthogonal polynomial subsection fitting to obtain system damping ratio, natural frequency and modal shapes is especially described

    著重描述了分量分析法(峰值拾取法)和整體正交多項式分段擬合法提取系統固有頻率及其振型的方法。
  18. After analyzed the basic principle of optimized noise reduction on tyre pattern, summarized three approaches to noise reduction. the first is trying to reduce size of single block or socket to reduce noise amplitude on time domain, the second is to adjust stripes sorting order and their interlace value to avoid noise - made by every single block - peak values on time domain overlayed and the last is to adjust ratio of blocks and sockets, ratio of stripe interval and stripe sorting order to avoid noise periodical distribution and abnormal high peak values in some frequency strip

    論文第四章分析了輪胎花紋優化降噪的基本原理,總結出三條降噪途徑:在允許范圍內盡量減小單個塊或槽的大小、刻刀槽軟化花紋塊來減小噪聲時域波幅度;調整節距排列順序、花紋條之間的錯位值,使各發聲單元發出的聲壓時域波形的同向峰值錯開,避免同向峰值疊加;調整花紋塊和槽比例、節距比例、節距排列順序,盡量避免周期性分佈,使輪胎所發出的噪聲趨于白噪化,避免某些頻段的異常高峰值。
  19. Ratio of peak lamp current to rms or average lamp operating current

    燈電流峰值與rms (均方根值)或平均工作電流的比值。
  20. Peak - ratio channel

    峰比率通道
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