譜帶形 的英文怎麼說

中文拼音 [dàixíng]
譜帶形 英文
band shape
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  1. 3. the soils are divided into 2 order, 3 suborder, 6 groups in soil taxonomy ; the soil vertical zone strcture of south slope taibai mountain is : ferric - udic argosols ( < 1600m ) - acidi + ferric - udic cambosols ( l 600 - 2700 m ) - bori - udic cambosols ( 2700 - 3400 m ) - molli - gelic cambosols ( 3400 - 3500m ) - umbri - gelic cambosols ( > 3500m )

    供試土壤在系統分類中劃分為2個土綱, 3個亞綱, 6個土類;太白山南坡土壤垂直結構為:鐵質濕潤淋溶土( 1600m )酸性+鐵質濕潤雛土( 1600 2700m )冷涼濕潤雛土( 2700 3400m )暗沃寒凍雛土( 3400 3500m )暗瘠寒凍雛土( 3500m ) 。
  2. It is found that flat and wideband sc ca n ' t be obtained in common dispersion - shifted fiber, and dispersion - flattened fiber with small normal gvd is most suitable for flat and wideband sc generation ( 2 ) sc generated in dispersion - flattened / decreasing fiber is studied profoundly

    結果表明,利用自相位調制效應在常規色散位移光纖一般不能產生平坦、寬的sc。具有較小正常色散的色散平坦光纖有利於平坦、寬sc成。 ( 2 )研究了色散平坦漸減光纖中sc的產生。
  3. This paper has described relative information of gold depositions genesis and hunting besed on studying characteristic of occurrence and appearance, compositions of trace elements, cell parameters, thermoelectricity, ir spectroscope with pyrite in huang - sha gold depositon of jiangxi. it can be provided important scientific basis for evaluation this deposition and hunting a similar ore point or zone in huang - sha region

    通過對江西黃沙金礦床中黃鐵礦的產狀及態特徵、成分特徵、晶胞參數特徵、熱電性、紅外光特徵等礦物學的詳細研究,討論了黃沙礦中蘊藏的金礦成因及找礦信息,為正確評價該礦床和在該區找尋新的金礦點()提供了重要的依據。
  4. In the terms of interpolation, the image reconstructed from nearest interpolation or linear interpolation has good edge but serious noise ; reconstruction from 4 * 4cubic interpolation or three b - spline or three - order lagrange interpolations has better local character. 2 x 2cubic interpolations which has both better edge and local character is the ideal interpolation, the following is the basic principle during reconstruction : ( 1 ) the more width of interpolation, the more number of summation and the more order of interpolation polynomial, the higher of density resolution ; ( 2 ) the more of interpolation polynomial and width of interpolation, the more of reconstruction time simultaneously, aimed at eliminating the effects of noise contained in projection data, in this paper, author analysis cause and effects of common artifacts. importantly, discusses convolution back - projection reconstruction algorithm with a shift axis of rotation has been derived for correcting images that acquired with a divergence axis of rotation using the fan beam geometry with an angle - equaled detector

    在ct圖像重建時,選擇有限寬窗有較好的空間解析度,三角窗有較好的密度解析度,選擇餘弦窗則使得空間解析度與密度解析度的折衷;從窗函數的頻角度來講,可以用於圖像重建的一個良好的卷積窗函數應該具備以下條件: ( ? )小的3db寬b ,即最小的主瓣寬度; ( ? )最小的旁瓣最大峰值a ; ( ? )最大的旁瓣峰值衰減速度d ;就內插函數而言,臨近點內插與線性內插重建圖像噪聲大,但有較好的邊緣與細節; 4 4三次內插、三次b -樣條與四次拉格朗日多項式內插圖像平滑,局部特性較好。
  5. Based on the isozymogram of esterase of polyacrylamide electrophoresis, the heredity difference of the anhui native varieties of mulberry could be classified into four categories which had the same origin and the similar characters

    依據桑樹冬芽的酯酶同工酶聚丙烯酰胺凝膠電泳技術得到的圖對安徽省17個地方桑品種進行聚類分析比較其遺傳差異,並把這些品種分為4類,各類型具有來源相近且具有某些態特徵相近的特點。
  6. The emphasis of the thesis is base - band signal shaping and programmable interpolation algorithm. we introduce the basic theory of base - band signal shaping, and the effect of the digitizing of the ideal raised cosine rollof signal g ( t ) is attentioned. the shaping filter parameters are determined based on the system specifications, and the simulation results are given

    首先從降低鄰近碼間干擾原則出發,討論了基的基本原理與升餘弦滾降濾波器的時頻特性,重點分析將理想的滾降波g ( t )數字化后對頻的影響,並且根據系統指標,確定了各項參數,給出了具體的設計舉例和模擬結果。
  7. An atomic smictufal model for c ( 2x2 ) reconstruction is proposed and a total energy calculation illustrates that the hollow - site - occupied si adatom model might be a possible atomic structure of the c ( 2x2 ) reconstruction

    光電子發射被用於研究界面成過程中出zp 、 hf4f芯能級和價,以及功函數等的變化。
  8. The frequency analysis results show conclusions as follows : 1. the relative valid spectral power is declined with the volume percentage of inclusions in terms of exponent curve and the tendency of negative direction is same to that of forward direction

    當ly12鋁合金細小夾雜物(小於0 . 16mm )的體積百分數從0 0 . 35時,在35 50mhz的頻范圍內,超聲波的有效功率按近似指數曲線快速下降,沿相反方向檢測時其變換趨勢相同。
  9. ( 2 ) the kinetics of mesostructure formation is studied. the induction time formation of a white precipitation decrease with the concentration of [ oh " ]. the effect of salts is presented because of adding the re3 + ions into neutral solution containing surfactant. the mechanism of mesostructure formation through " hydrogen - bonding interaction, complex - bonding interaction and a local reconstruction process of the frameworks "

    ( 6 )當稀土離子進入hms樣品骨架,靠近外來原子的對稱a o st會產生小的變。 st o st振動由於配位金屬電荷遷移躍遷而變成拉曼活性模。 ( )用ftth光研究了a oh凝聚反應動力學,建立了a oh凝聚反應動力學方程,求得其凝聚反應活化能為28士7kj in 。
  10. Mineral compositions and the microstructure were investigated by xrd and sem ; the result show that the second phase and liquid phase are produced during sintering, and the second phase and liquid phase were filled in space of the al2o3 crystals, which can control the microstructure efficaciously

    通過xrd 、 sem (分析)等測試手段測試樣品的礦物組成和顯微結構;結果表明,引入mgo等礦化劑后,材料在燒結過程中主要成第二相和一定量的低共溶相填充在al _ 2o _ 3晶粒之間,籍此可以有效控制材料的顯微結構。
  11. The in - house system evaluation and field application showed that an excellent oil film for shielding temporary plugging could be formed near borehole wall and both plugging and recovering rates of permeability reached more than 90 % when the added amount of the broad spectrum oil film temporary plugging agent gpj reached 3 % ; skin factor decreased by 7. 4 to 10 times and production increased by 1. 82 to 2. 96 times compared with conventional technology

    結果表明,當廣「油膜」暫堵劑gpj的加量達到3 %時,可在近井壁處成很好的屏蔽暫堵「油膜」,滲透率堵塞率和恢復率皆大於90 % ,與常規屏蔽暫堵技術相比,可使油層損害程度降低7 . 4 ~ 10倍,產量提高1 . 82 ~ 2 . 96倍,而且與油層滲透率和溫度無關。
  12. Abstract : by using the pulse - sequence model , the inverse problem of amplification of broad - spectral - bandwidth laser pulse has been studied , i. e. , to find the initial input temporal pulse profile , spatial profile , spectral distribution and fluence from the required output temporal , spatial pulse profile , spectral distribution and fluence as well as the given amplifier parameters

    文摘:採用脈沖分割模型,研究了寬頻激光脈沖放大的逆問題,即由所要求的輸出激光脈沖時間、空間波、光分佈和能量密度,並給定放大器參數情況下,求輸入激光脈沖時間波、空間、光分佈。
  13. Except for 1. 0 kb hybridization band, other different hybridization bands were also detected which demonstrated that lea3 gene integrated into strawberry genome in different loci or copies

    Okb雜交外,還有其他片段人小不等的雜交。不同的株系成不同的雜交,表明這些轉化植株來自不同的轉化細胞。
  14. First, this dissertation analyses the waveform of chirp - subpulse stepped frequency signal, studies and simulates the ambiguity characteristics, the spectrum structure and the basic process to obtain high resolution range profiles, and discuss this signal ’ s high range resolution characteristic and wide spectrum characteristic

    首先,本文對chirp子脈沖頻率步進信號進行了波分析,研究了chirp子脈沖頻率步進信號的模糊特性、頻結構以及合成高分辨距離像的基本過程,討論了chirp子脈沖頻率步進信號的高距離分辨力和寬特性。
  15. The method plays an important role in distinguishing and studying the complicated and confused spectral characteristics and mechanisms of the rare earth. ( 2 ) it is found and explained that due to the boltzmann distribution law at room temperature, the positions of the fine peaks of the photoluminescence band stemming from the transitions between an excited state and the ground state of a re3 +, match these of the absorption bands from the transitions between the ground state and the excited state. the stark split energy levels of the ground state 4i15 / 2 and two excited states 2s3 / 2 and 4f9 / 2 of the er3 + in er203 have been determined

    薛理輝武漢理工大學博士學位論文摘要( 2 )發現在常溫下,由於boltzm ~分佈律的作用,在re3 +的基態電子態和激發態間躍遷所產生的發光和吸收中的精細峰的位置一一相同,解釋了產生這種關系的原因,並弄清了er203中er3 +的基態電子態4lts . 12和激發態電子態2凡/ 2 、 4凡/ 2的stark能級分裂情況,確定了常溫下erzo3中er3 +的4了15 / 2一2凡/ 2和『 i , 5 / 2一『凡/ 2精細能級間的躍遷式。
  16. Based on researching the relation of the parameters of bohr - mottelson rotational spectra formula from two - parameter harris formula, in this thesis three - parameter harris formula was used and a new ralation of the parameters of bohr - mottelson rotational spectra formula was brought forward. four - parameter i ( i + 1 ) expansion was used to calculate superdeformed ( sd ) bands of even - even nuclei in a ~ 60, 80, 130, 140, 150, 190 regions and normal deformed ( nd ) bands of nuclei in actinide and rare - earth, the relation of the parameters was discussed. comparatively, the new relation is consistent with experiment

    利用harris兩參數公式研究bohr - mottelson轉動公式參數之間的關系的墓礎上,改用harris三參數公式,並由此提出了bohr - mottelson轉動公式參數之間的新關系式,進而用i ( i + 1 )四參數展開式計算了a 60 , 80 , 130 , 140 , 150 , 190區超變偶偶核的基和錒系和稀土區正常變核基,討淪了參數之間的關系,發現新關系式與實驗較好地符合。
  17. ( 1 ) based on two types of riccati equations, two kinds of new methods are proposed to obtain solutions of nonlinear differential equations. twelve families of exact solutions of wbk equation are found by using one of two methods ; ( 2 ) the homogeneous balance method is improved cind investigated to ( 2 + l ) - dimensional broer - kaup equation such that many families of new solutions are derived. ( 4 ) based on the isospectral lax pair of riccati form for generalized kdv equation with the force term, new darboux transformation and solitary - like wave solutions and rational solutions are obtained ; ( 4 ) by constructing darboux transformation and the superposition formula of generalized variable coefficients kdv equation with the force term, new single solitary - like wave solutions, double solitary - like wave solutions and rational solutions are found for ( 2 + l ) - dimensional generalized kp equation

    第二章和第三章考慮非線性偏微分方程的精確解的構造:首先給出了c - d對和c - d可積系統的基本理論,然後在第三章中具體研究了它們的應用: ( 1 )基於兩種riccati方程,提出了兩種新的求解非線性微分方程更多解的方法,利用其中的一種方法,得到了wbk方程的12組精確解; ( 2 )對齊次子衡法進行改進,以致於獲得了( 2 + 1 ) -維broer - kaup方程的很多新解; ( 3 )基於有外力項的廣義kdv方程的riccati式的非等lax對,提出了該方程的一個新的darboux變換,利用該變換,得到了新的類孤波解和有理解; ( 4 )通過構造了有外力項的變系數kdv方程的darboux變換及疊加原理,獲得( 2 + 1 ) -維廣義kp方程的新的類單孤波解、雙類孤波解和有理解。
  18. Meanwhile, the er 4f spectrum measured upon annealing exhibits well - resolved fine structure, implying that only mono - species of er silicide may exist on the surface

    同時觀察到了清晰的鉺4f價,這暗示著只有一種鉺硅化物在表面成。
  19. The photoluminescence of the thin films without post heating is weak. only one luminescence band is found nearby 473nm. two luminescence bands are found after post heating, nearby 493nm and 368nm respectively. the intensity of the luminescence bands increase little by little when the temperature and the time of post heating continues to increase

    而退火處理過后,薄膜出現兩種光致發光現象,即藍色發光和紫外發光,其峰值分別在493nm和368nm附近,而且隨著退火溫度的升高和退火時間的延長,發光的強度逐漸增大,峰的位置也有不明顯的藍移。
  20. The turns in the serpentine channel were asymmetrically tapered to minimize geometrical contributions to band broadening and to provide ample channel length for high - efficiency chromatographic separations

    蜿蜒通道地轉彎處是不均勻地錐以減小幾何原因引起地展寬和提供樣品通道長度使高效色分離。
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