比值曲值 的英文怎麼說

中文拼音 [zhízhí]
比值曲值 英文
ratio curve
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • 比值 : specific value; ratio比值法 ratio method; 比值計 ratio meter; 比值檢波器 ratio detector; 比值控制...
  1. Results contrast with the unimproved or some previous models, the features of tumor microvascular networks generated from our model by simulating the angiogenesis in caecum tumor, such as vascular tortuosity, branching and anastomosis, are closer to the physiological facts and more resemble the experimental observations

    結果對盲腸腫瘤微血管網進行數模擬,與改進前的模型和其他模型較,本模型生成的腫瘤微血管網結構特徵,如血管的走向、扭、分叉與融合等,更接近生理實際,與實驗觀測圖像的相似度更高。
  2. This paper deriving the theory work inflection point in the static stage characteristics curve of small measurement range linear dimension measurement. by the way of high pressure and back pressure pneumatic measure and designed the parameter of the mainly and measure spray head, which are the key component in the spray head - baffle pneumatic sensor. the different groups for the main - spray head and the measure spray head, will effect the dynamic and static stage characteristic parameter. the author have done contrast experiment and optimization design to test and verify the theory derivation whereby made the rang of show valve of pneumatic measure system measure range up to 40 u m, the sensitivity up to 100mv / u m, resolution up to 0. 05 p m, the uncertainly of measure is less than 0. o2 u m, satisfaction of requirement of groups the carboy hatch thickness size precise measure of soft shims

    對高壓背壓式氣動測量用於小量程線性尺寸測量的靜態特性線的理論工作拐點進行了推導,對氣動測量系統中的噴嘴-擋板型氣動傳感器中的關鍵部件? ?主噴嘴和測量噴嘴的參數進行了理論設計,對主噴嘴和測量噴嘴的不同組合,將影響測量系統靜、動態特性指標的噴嘴參數進行了對實驗和優化設計,並通過實驗驗證了理論推導,從而使氣動測量系統量程的示范圍達到40 m ,靈敏度達到100mv m ,解析度達到0 . 05 m ,測量不確定度小於0 . 2 m ,滿足了壓縮機缸蓋軟體墊片厚度尺寸精密測量分組的要求。
  3. At the surface of the pollen grains there are three types of aperturates, including three porates type, three colpates type and three porate - colpates type ; and four types of sculpture, namely, reticulate, striate, striate - reticulate and verrucate. the upper epidermal cells of the leaves of 12 species plants are detected with hpias - 1000 image analytic system through the treatment of binarization, and the experimental methods are proved stable. the results indicated that the waviness of the anticlinal walls ( sfc ) and the ratio of the feret ' s diameter ( slf ) of the epidermal cells of the middle lamina in the third node of leaves starting from the lowerest part of the stem have a relative constant range and could distinguish from each other. oieanolic acid, l, 5, 8 - trihydroxy - 3 - methoxyxanthone and swertiamarin are separately detected on the tlc, and the different chromatogram of various plants can be considered as characters of identification. the contents of oleanolic acid in 12 species of plants are determinated by hplc, but among the different plants and botanical organs their contents are different, and the highest content in flowers

    本文對川鄂產獐牙菜屬藥用植物資源進行了野外調查、標本採集和鑒定,對12種乾燥藥材的性狀進行了描述,提供了可以鑒別的特徵。通過掃描電子顯微鏡觀察的12種本屬藥用植物的花粉粒均為單粒花粉,萌發孔有3孔型, 3溝型和3孔溝型三種類型;表面紋飾包括網狀紋,條狀?網狀紋,條狀紋和瘤狀紋四種類型。用hpias ? 1000高清晰度彩色病理圖文分析系統對葉片上表皮細胞作圖像分析,並進行方法學研究,結果表明,同種植物莖上第3節葉片中段主脈和第1側脈之間葉上表皮細胞垂周壁彎程度sfc和細胞縱、橫向直徑的slf,種間有顯著差異,每種都有相對恆定范圍
  4. Abstract : this paper has deduced a new method for risering , ? parametric method. it has proved with the test curve of the british castin g p ractice commission. practical results have well perfected furt her the perimetrischen quotlent method for risering. a conclusion is drawn that rise r supplement shrink efficiency is directly proportion to the ratio of casting to riser perimetrischen quotient

    文摘:提出的冒口設計新方法?參數法,與英國鑄造實踐委員會給出的實驗線相互印證其實用性,進一步完善了冒口設計的周界商法;得出了冒口補縮效率與鑄件和冒口的周界商成正的結論。
  5. Table 4. 1 for three-point bend specimens shows that the ratio of support span to specimen depth has a small but definite effect on the results.

    表41的三點彎試樣表明,支撐跨距對試樣高度的對試驗結果有微小而又確定的影響。
  6. Fluorescence power transfer function, three - dimensional point spread function ( 3d - psf ) and three - dimensional optical transfer function ( sd - otf ) for the various fluorescent wavelength of the two kinds of fluorescence confocal scanning microscopy are calculated in this paper by using fourier imaging theory. the results show that the fluorescent wavelength has influence on imaging property of confocal microscopy such as spatial cut - off frequency, resolution and 3d - otf. there is a different missing - cone in the 3 - d space of otf when the ratio of excitation wavelength to fluorescent wavelength decreases

    本文在sheppard和gumin等人的理論基礎上,利用fourier光學成像理論,討論了不同熒光波長對單光子和雙光子共焦顯微鏡成像特性的影響,導出了單光子和雙光子共焦顯微鏡的熒光功率傳輸函數、三維脈沖響應函數和三維光學傳遞函數,得到了它們在不同激發波長與熒光波長時具體的表達式,並且通過數計算,得到了它們的線圖,結果表明:隨著激發波長與熒光波長的增加,焦斑的橫向分佈和縱向分佈變窄,橫向解析度和縱向解析度提高,系統的成像效果變好,當激發波長與熒光波長的下降到一定程度時,可以看到不同程度的失錐現象。
  7. 2 mtt assay was used to examine od value of terasaki wells. od value was measured once a day for 8 days and mapped growing curve of cells to determine the activation of proliferation in primary cells

    2採用mtt色法測定細胞的光密度( 0d) ,每24h測定1次,從細胞接種到神經球形成連續測定sd ,繪制細胞增殖活性線。
  8. Abstract : the responses of shaft bow and their relationships with unbalanceresponses and mechanical or electronic run out are analyzed based on the theory of rotor dynamics. the responses of shaft bow are separated from the unbalance responses successfully by making use of vibration information under different rotor runs. an identification method of thermal bend is presented based on the 2d - holospectrum technique. experimental results show that when bow phase is steady and amplitude is variable, the tangent of initial phase point on the 2d - holospectrum is parallel, which can be effectively used for diagnosis of bent shaft

    文摘:依據轉子動力學理論分析了柔性轉子彎響應的特徵,在此基礎上討論了它與不平衡響應及機械與電氣跳動量之間的關系,並利用轉子在不同起車情況下的振動信息,有效地分離了彎響應和不平衡響應,求解出彎量與不平衡量的.提出了轉子在恆定轉速下,基於二維全息譜技術的熱彎故障識別方法.研究結果表明,當彎量相位穩定而其幅變化時,轉子響應的二維全息譜初相點的切線是相互平行的,由此可以有效地實現轉子熱彎故障的識別與診斷
  9. Now i can get cost variance, scheduie variance and schedule index etc. the method of using evc to control cost and schedule is better than others

    通過對計劃線、贏得線和實耗線的分析較,可提供進度差異( sv )和費用差異( cv ) 。
  10. The following algorithms have been proposed and tested in the thesis : 1 frequency selective fading : combine the isomorphism between the input space and the output space and propose a new approach to blind equalization of the channel. compared with conventional methods, the new approach offers lower computational complexity, better performance, and more robust against the over - determination of the system order ; 2 time selective fading : a new approach to the equalization of time selective channel based on the zero - forced equalizer is proposed which is more simple in its structure of algorithm ; 3 time - varying channel : using the instantaneous mean value changes of the output signal to extract the information of channel variations and model it using ar model, kalman filter is then employed to track channel variations, it bears faster ability in tracking the variation of tv channels ; based on the isomorphism between the inputs and the outputs and some of the approaches using in mimo system, a new algorithm of equalization of simo time - varying channel is proposed, which also share the merits of being robust against the over - determination of the system order ; model the time - varying channel using the multi - resolution decomposition wavelets, and then a blind identification method based " on the model is proposed ; at last, a new model for equalization and identification of mimo system is proposed

    主要工作在以下幾個方面: 1 、針對頻率選擇性衰落通道:結合輸入輸出空間同構關系提出一種新的頻率選擇性通道均衡方法,與傳統方法相,該方法計算量更小,收斂速度更快,性能更優,且對系統階次的過確定表現穩健,具有實際均衡應用價; 2 、針對時間選擇性衰落通道:提出一種基於迫零均衡的時間選擇性通道均衡方法,演算法結構簡單; 3 、針對時變色散通道:利用瞬態均線提取通道時變信息,對之ar建模,利用卡爾曼濾波器跟蹤時變通道抽頭變化,可以快速跟蹤通道變化;基於輸入輸出空間之間的同構關系以及多輸入多輸出系統的處理方法,提出了新的單輸入多輸出色散時變通道均衡與識別演算法,同樣具有對通道階次過確定保持穩健的優點;結合小波多解析度分析提出一種基於小波模型的通道盲識別演算法;研究時變的多輸入多輸出系統的盲均衡與盲反卷積問題,給出一種時變系統處理模型。
  11. Digital display : when the mouse moves to a certain position along the transmittance / reflectance curve, the r / t result relative to the wavelength point will be displayed in the r / t area

    波長、透反射顯示:當鼠標光標在線顯示區移動時,在波長數顯示和r / t顯示框內隨時顯示光標所在點的波長和該波長所對應的透反射
  12. After the comparison of the stability checking computations and the section categorised situation both at home and abroad the current standard, some problems was discussed in the standard of our country. contraposed these questions, the paper computed the space stability coefficient of some general t - shaped and l - shaped sections and all the sections of t - shaped, l - shaped and 2 - angle iron t - shaped in the formed - steel - table, and worked out the curves. according to the comparison of the curves the paper got and the curve in the standard, some simple conclusions was put

    對國內外現行規范軸壓柱穩定驗算方法及柱子線截面分類情況進行了對,討論了我國規范線中存在的一些問題,並針對這些問題,以規范初始彎對任意「 t 」形和「 l 」形截面和型鋼表中所有t型鋼、 l型鋼、雙角鋼t形鋼截面的空間穩定系數進行了計算,作出其與規范線的較圖,通過計算結果的分析對各類截面歸類情況作了簡單的評述,其中提出的一些建議可以作為規范修訂的參考依據;同時,這些計算結果也進一步證明了本文的柱子空間穩定分析方法的正確性。
  13. The cross - correlation curves method as a traditional method is to find out the distance with the biggest snr to be the radius. the author tried a new coherence function method combined with the cross - correlation curves traditional method to confirm that the radius of the seismic array are 380m and 1500 - 1750m respectively

    作者對了各測點對之間的噪聲和信號的相干函數並找出了信噪最大的距離,結合傳統的相關線理論得出了蘭州臺陣內外圓的半徑分別為380m和1500 - 1750m 。
  14. In this paper, the ductility of steel bar is expressed by ductility ratio b, the figure of dividing ultimate strain by yield strain. the ductility of section is expressed by ductility of section ratio, the figure of dividing ultimate curvature by yield curvature. the displacement ductility is expressed by displacement ductility ratio, the figure of dividing ultimate displacement by yield displacement

    論文中鋼筋延性採用鋼筋延性b來表示,即極限應變與屈服應變的;構件截面延性採用截面延性來表示,即極限率與屈服率的;構件位移延性採用位移延性_來表示,即極限位移與屈服位移的
  15. This article analyzes the difference of theories calculating the effective width between chinese code and north american codes. the author finds the results based on the technical code for design of cold - formed thin - wall steel structure is lower than that of north american codes, especially for flat plate with relatively larger width - thickness ratio whose thickness is thinner than 2mm, the difference is more obvious

    本文分析了國內外關于冷彎型鋼屈后強度的有效寬度計算理論,通過理論分析和計算對發現,按我國《冷彎薄壁型鋼結構技術規范》計算的板件有效寬厚較北美規范低,特別是對于厚度小於2mm的大寬厚板件,其差異更明顯。
  16. Comparing frozen material with freeze - dried apple, the ice area with low grey value in the beginning became the loosen pore area with high grey value after freeze - drying

    凍結物料和凍干物料的灰度線,可見剛開始灰度較低的冰區,在凍干結束后變成灰度相對較高的孔疏區。
  17. The framework and results of this study is thus summarized as follows : 1. analyzing the effect of the nonlinear parameters on seismic response. so far the g / g _ max - ( transient dynamical shear modulus over the maximum shear modulus vs. shear strain ) and the - ( equivalent shear hysteretic damping ration vs. shear strain ) curves are widely employed in the experimental method in studying soil dynamic property, supposing under equiamplitude cyclic load

    目前,人們利用實驗手段分析土體動力特性時給出的最基本的描述量是g g _ ( max ) ?線(等效動剪切模量與最大動剪切模量的隨應變幅變化的線)及?線(等效剪切滯回阻尼隨應變幅變化的線) 。
  18. It showed that qv was mainly decided by the amounts of pyrolysis parts at lower exothermic peak ( 300 ). the h300 / h450 ratio at dta curve and w320 / w500 ratio at dtg curve have the similar tendency of changes. both can be used as the index to describe the decaying process

    Dta線中h300 h450的與dtg線中w320 w500的變化趨勢基本一致,經相關分析,兩者的相關系數為0 . 8035 ( n = 32 ) ,達極顯著相關水平,兩者都可作為熱分析方法表徵腐解進程的指標。
  19. Table 4. 1 for three - point bend specimens shows that the ratio of support span to specimen depth has a small but definite effect on the results

    表4 1的三點彎試樣表明,支撐跨距對試樣高度的對試驗結果有微小而又確定的影響。
  20. We discuss the visual information from texture image and the cause of texture distortion, and then present a simplification algorithm with texture in chapter three. the visual information from different parts of texture image is measured by color variation, and the possibility of texture distortion is measured by the unevenness of texture intensity ( the area of a triangle ' s corresponding texture divided by its area in geometric space )

    該演算法考慮了紋理扭的成因和紋理圖像內容對視覺的影響,用邊緣檢測的方法度量紋理圖像上不同區域對視覺影響的大小,用紋理密度(三角形對應紋理區域的大小和它在三維空間中面積的)的變化度量紋理扭發生的可能性和嚴重程度,並把這些與紋理相關的誤差度量和幾何誤差度量結合。
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