相似曲線 的英文怎麼說

中文拼音 [xiāngxiàn]
相似曲線 英文
homothetic curves
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 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...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 相似 : 1. (相像) resemble; be similar; be alike 2. (相像處; 類似物) similarity; similitude; analogue
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed

    研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率整體平移的「同物異譜」現象,對于譜形而整體反射率的值差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。
  2. To see the efficiency curve of a specific grating, and to compare similar gratings, click on the grating # in the far left column of the table above

    要查閱指定光柵的效率和比較光柵,點擊上表中的最左邊欄的光柵號。
  3. Presents the energy saving principle of a frequency - controlled pump and points out the applicability of the law of similitude for centrifugal pumps and the conception of constant efficiency curves

    摘要闡述了循環水泵變頻調速的節能原理,提出離心水泵定律的適用性和等效率概念。
  4. The amplitude of the hyperbola may be comparable with that of the associated reflection, or it may be less.

    的振幅可能是和有關的反射的,也可能要小一些。
  5. The other used a similar locomotor orderliness to substitute the original by compare. the new academic and actual contour curve of the cam and tracks of polar and right angle coordinates of the center of reamer were presented, too

    第二種是通過與原開牙凸輪機構從動件運動規律比較,採用一種的運動規律來替代原運動規律,也給出了凸輪理論輪廓、實際輪廓和刀具中心軌跡。
  6. Using the thermodynamic conditions describing the coexistence of two phases and the stability conditions of equilibrium state, we have calculated the normalized temperature and the normalized pressure of the triple point ( t1, p1 ), the melting curve, vapouring curve and the sublimation curve. the whole phase diagram of the 2d monatomic l - j system is obtained

    和杜宜瑾等人的方法類,我們先給出了系統在變點時的一些參數的數值,在此基礎上,考慮占據率q的因素,利用平衡的熱力學條件及平衡態的穩定性條件,得到了二維單元l - j系統的熔化、汽化、升華以及三點的位置,從而給出了該系統的完整的三圖。
  7. Based on the extensive studies of subtilisin - like protease ( prl ) of metarhizium anisopliae, extracellullar serine protease is suggested to be a key enzyme involved in the fimgal penetration to invertebrates. the investigation of serine protease in the nematode infected by owvtl may help to understand the mechanism of nematophagous fimgi as biological control agents. a 3l kda serine protease was isolated and purified from the liquid culture of h rhossiliensis owvtl challenged with nematode panagrellus redivivus

    本研究利用蟲誘導下owvt - 1菌株液體發酵,通過粗分級分離、離子交換層析和凝膠過濾層析分離提純了一個分子量為31kda的絲氨酸蛋白酶,生物學測定表明其對大豆胞囊蟲二齡幼蟲具有致死作用,同時測定了該酶理化特性,酶活力在75附近酶活力最高,隨著ph的增加酶的穩定性升高,與膽堿酯酶具有的ph,對特異性底物aape ( suc - ala - ala - pro - glu - pna )具有作用, ssi和ci - 2抑制該酶的活性。
  8. And they show that chinese upper crust has a stable ree composition, and those different grain - size sediment samples which are from different site, and deposited in different periods do not establish any remarkable difference

    它們的配分高度,表明了組成上的一致。在與黃土等物質進行對比時,發現它們除了含量上有差異外,在配分形態上是一致的。
  9. The fundamental ideas and methods of this paper are also illuminated in this chapter. in chapter two, a one - dimensional and semi - closed shallow sea mode is studied. the approximate analytical expressions of the water level at the top of the bay induced by the nonlinear interaction between the storm surges and the astronomical tides are obtained by using the perturbation method

    在第二章里,研究了一維半封閉水域中的非定常風暴潮與天文潮非互作用的問題,用攝動方法求出了具有實際意義的海灣頂部增水水位的一階近解析表達式,並給出了增水過程
  10. This dissertation ' s problem just comes from this engineering background exactly. for this two kinds of cores, which were taken from the engineering place, this dissertation draws sample by computer and analyses the weight distributions, getting the weight curves, the middle weights, asymmetry coefficients and other physics characteristic indexes of them, and makes up the model samples which are similar to the factual weight distributions

    本文對施工現場採用的10 100kg和1 800kg重量范圍的堤心石進行了隨機抽樣和重量級配分析,得到了描述這兩種堤心石類別的重量級配、中值重量、不均勻系數等物理特性指標,並由此制備重量級配的模型樣本。
  11. To meet the demands for large space and flexible compartmentation of buildings, laminated vierendeel trusses are adopted in high - position transfer story structures. first the bearing characteristics are analyzed, in which reasonable stiffness ratio of the upper chord, middle chord, and lower chord is derived. then combined with an actual engineering model ( 1 8 similar ratio ), the static loading and pseudo - dynamic tests of two models for laminated vierendeel truss used in transfer story structures are conducted, in which one model adopts reinforced concrete, and the other adopts prestressed concrete and shape steel concrete. seismic behaviors are analyzed, including inter - story displacement, base shear - displacement skeleton curves, and equivalent viscosity - damping curves. a program is programmed to carry out the elasto - plastic dynamic analysis, and displacement time - history curves of the two models are derived. the test and analysis results show that the laminated vierendeel truss with prestressed concrete and shape steel concrete has excellent seismic behaviors. it can solve the disadvantages of laminated vierendeel trusses used in transfer story structures. finally, some design suggestions are put forward, which can be referenced by similar engineering

    為滿足建築物大空間和靈活隔斷要求,在高位轉換層結構中採用迭層空腹桁架結構.首先分析了其受力性能,得出了空腹桁架各構件合理的截面剛度以及布局形式.然後結合一實際工程,進行了兩榀迭層空腹桁架轉換結構模型( 1 : 8比)的豎向荷載下靜力試驗以及擬動力試驗.其中一榀為普通混凝土迭層空腹桁架,另一榀配置了預應力和鋼骨混凝土,對比分析了兩模型的層間位移比、骨架以及等效粘質阻力系數等抗震性能的比較,並進行了彈塑性動力分析.試驗和分析結果表明,配置預應力和型鋼混凝土的迭層空腹桁架轉換結構具有良好的抗震性能,可以成功地解決迭層空腹桁架作為轉換層結構所產生的弊端問題,最後對這類轉換層結構提出了應的設計建議
  12. Under different al concentrations, there are same change curves of sce rates hi cv. 2000 - 2 and cv. humai 16, but their critical concentrations, which can induce the highest sce rates, were significantly different from each other

    經不同鋁濃度處理,這兩個品種的sce率具有的變化,但兩者的臨界濃度(誘導sce率最高的濃度)顯著不同(分別為10和320 mol l ) 。
  13. The his - tagged peacl - gfp purified from the supernatants could polymerize into green fluorescent filamentous structures with diameter, length and shape being identical to that of muscle f - actins, which could be labeled by tritc - phalloidin ( a specific agent for staining actin microfilaments ), and were identified as having a 9 nm diameter by negative staining, corresponding with that of the muscle f - actins ( 7 - 10 nm ). under polymerization conditions, his - tagged peacl - gfp polymerized with kinetics similar to those of skeleton muscle actin, that is, an obvious lag nucleation period at the beginning of polymerization and an s - like typical polymerization curve could be obtained. the critical concentration is 0. 75 umol / l near to that of chicken muscle actin ( 0. 56 umol / l ) under the same condition

    熒光標記結合熒光顯微觀察表明:從可溶性上清中純化的his - taggedpeac1 - gfp聚合形成的微絲不僅可以直接在熒光顯微鏡下觀察,也可被微絲的特異標記物鬼筆環肽所標記,而且其直徑、長度以及形態上與已知的聚合肌動蛋白熒光絲一致;電鏡負染的結果進一步證實其直徑為9nm ,與傳統微絲直徑當( 7 ? 10nm ) ;聚合有明顯的停滯期,為典型的s型聚合,聚合臨界濃度為0 . 75 mol l ,這一結果與已有報道
  14. Considering different soil spring models for vertical fault movement and horizontal fault movement, two damage cases of pe pipeline in ji - ji earthquake have also been simulated. the large deformation of a buried pipeline under fault movement is investigated in the 4th chapter. to examine the inelastic behavior of buried pipelines, the parametric studies on pipe material property, diameter ( d ), diameter - to - thickness ratio ( d / t ), crossing angle ( ), as well as soil stiffness, have been conducted using a shell - spring fem method

    對於0 p三90 」的情況,當斷層位移對管徑還不是很大時(管子內的彎應變與軸向拉伸應變差不大的情況) ,斷層附近管子變形形式與梁;當斷層位移對管徑很大時(管子以軸向拉伸應變為主的情況) ,斷層附近的管子軸變形為一圓弧,管子表現得像一條沒有彎剛度的索。
  15. The normalized factorial moments ( nfm ) show good scaling properties in isotropical partition of phase space ; the nfm ' s projected into three directions versus the. partition. number appear, to be saturated curves with similar in scaling behavior ; and the three hurst exponents are very close to unity. the levy - stability holds for the q = 2 ~ 5 order moments in 3 - dimensional phase - space

    發現:三維歸一化階乘矩( nfm )的分佈呈現出很好的標度特性;階乘矩在各個方向上的一維投影呈現出彼此十分的飽和,且特徵參量hurst指數都接近於1 ;高維空間各階階乘矩的分佈滿足l vy穩定性的要求。
  16. The fractal is a geometrical figure with self - similar symmetry, and it is an important tool for characterizing irregular structures in nature that are self - similar on certain length scales. for example, the koch curves can be viewed as a mathematical model for coastlines, percolation model can be used to mimic mixture of mental and insulator, self - avoiding walks can serve as a model for linear polymers, and rock fracture mode can stimulate the process of brittle fracture of rock, and so on

    分形是具有自對稱性的幾何圖形,可用來模擬自然界中在一定尺度范圍內具有自對稱性的不規則結構,如koch可用來模擬海岸,滲流模型可模擬金屬絕緣體混合物,自迴避無規行走模型可模擬性聚合物,巖裂模型可模擬真實巖體的脆性破裂等。
  17. Considering the similitude law for shaking table test, we study the test results and obtain some conclusions which are a ) generally, the silty soil in test box liquefies and the liquefied time has relation with the amplitude of acceleration, b ) when the intensity is on and above eight degree, the silty soil deposit will be liquefied dramatically, c ) the relationship of the pore water pressure is relevant to the cycle loading which represents when the cycle loading ranges from little to great, the relationship is represent as a concave curve, or else as a protruding curve and tends to stability. ( 3 ) based on the triaxial compression test and the resonant column test, some studies are made such as a ) the duncan - chang parameters of constitutive model, b ) the dynamic shear modulus ratio and c ) the damping ratio of the site soil deposits. in order to deal with the test data, a computer program is compiled

    ( 2 )利用小型振動臺進行了k _ 0固結狀態下粉土的振動液化模擬研究,通過分析正弦荷載作用下的試驗資料,驗證了粉土的孔隙水壓力增長模式的合理性;從微分方程推導了基於土體振動臺模型試驗的律,並從模型實體、孔壓時程律等方面做出了分析,得出了如下結論:在小型振動臺試驗中,模型箱中的粉土都發生了液化,液化的時刻和輸入加速度幅值有關,而對頻率的變化不太敏感;粉土在當於8 9度地震烈度的加速度幅值作用下可能產生嚴重的液化;孔壓的增長形狀與施加的荷載有關:當施加荷載為由小到大的形式時,形狀為上凹的;當施加荷載為等幅的正弦荷載或荷載幅值由大到小時,形狀為上凸的,且逐漸趨于穩定。
  18. The second chapter is about model experiment study, it introduces purpose, scheme, equipment and experiment contents having copperplate and copper ball as object by comparability rule experimenting plenty of physical models, deals with experiment data and makes second field attenuation voltage curves first field isoline both single aperture and mutli - aperture in different situation. in the end, it obtains best depth of multi - aperture source

    利用性準則進行大量的物理模擬實驗,實驗觀測中以銅板和銅球作為目標體,詳細介紹了模擬實驗研究的目的、方案、使用設備以及實驗內容,並對實驗數據進行了處理分析,作出了不同模擬條件下單、多孔徑的二次場衰減電壓和一次場等值圖,找出多孔徑作發射源的探測最佳深度。
  19. Imported from germany, elevator kiln produce high frequency, low power loss material : nh2c equivalent to tdk pc44 and high initialpermeability material : nh13a ui 13000. advanced controlling technique of internalatmosphere and temperature curve to ensure its excellent performance, their high quality and stable character will meet telecom and networkcustomers strictly demand. we specialized in manufacturings. m. p. s transformers, inductors

    公司引進德國鐘罩爐設備,採用先進的爐內氣氛控制方法和特殊的氣氛,生產高頻低損耗功率鐵氧體nh2c材料當于tdk pc44及高磁導率鐵氧體nh13a材料ui 13000 ,充分滿足客戶對網路通訊用磁芯在性能和穩定性上近苛刻的要求。
  20. The four quadrants homologous curves in term of the dimensionless similarity parameters are used to characterize the pump performance in the program

    對系統的主泵,採用完整的四象限相似曲線來進行模擬計算。
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