特徵射線 的英文怎麼說

中文拼音 [tèzhǐshèxiàn]
特徵射線 英文
characteristic ray
  • 特 : Ⅰ形容詞（特殊; 超出一般） particular; special; exceptional; unusual Ⅱ副詞1 （特別） especially; v...
  • 徵 : 名詞[音樂] （古代五音之一 相當于簡譜的「5」） a note of the ancient chinese five tone scale corre...
  • 射 : Ⅰ動詞1 （用推力或彈力送出） shoot; fire 2 （液體受到壓力迅速擠出） discharge in a jet 3 （放出） ...
  • 線 : 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...
  • 特徵 : characteristic; feature; properties; aspect; trait
  1. We have shown that it is possible to create a radioactivity characterized by the emission of positive or negative electrons in boron and magnesium, by bombardment with alpha rays

    我們已經展示了人工放射現象的可能性，這種放射現象的特徵是用以射線轟擊用咄硼和鎂中的正電子或負電子。
  2. 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曲線整體平移的「同物異譜」現象，對于譜形相似而整體反射率的值相差較大的兩類地物，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。
  3. Due to nonlinear bottom boundary condition, the generation of internal tides over finite topography can only be deal with by using of ray - tracing method beforetime. the transforms introduced in this dissertation make it possible use eigenvalue method to investigate the generation of internal tides over finite topographies

    由於非線性邊界條件的使用，前人處理有限地形上內潮的產生問題只能求助於射線理論，本文提出的坐標變換將若干海底地形變換成平底，從而使得利用特徵值方法研究這些地形上的內潮生成問題成為可能。
  4. On the stage of describing the shape of airplane and extracting feature, we derive five - coplanar - point invariant from the basic projective invariant - cross ratio, and resolve the problem of stabilization of five - coplanar - point when there is three points are nearly collinear

    在對飛機外型提取特徵進行描述的階段，首先從基本的射影不變量交比不變量出發，推導出了平面五點不量，並解決了當有三點接近共線時不變量不穩定的問題。
  5. Based on projective geometry, the research works about 3d invariance ' s extraction and application have been done in this thesis as following : ( 1 ) the basic theories and concepts in projective geometry are systematically summarized. it includes : the camera models of perspective imaging, projective collineation, cross ratio, a simple compare about invariance ( invariant ) among some geometry transformations, fundamental matrix, epipolar and epipolar line in epipolar geometry, and so on. ( 2 ) the calculation methods for 2d projective transformation are extended from points to multi - element, which includes points, lines, points lines and so on, to get the relationship between two projective planes

    基於射影幾何理論，論文圍繞3d不變特徵的提取和應用進行了如下的研究工作： （ 1 ）系統總結了射影幾何中的若干基礎概念，包括：透視成像的相機模型、射影對應、交比不變量、基於不同幾何變換下的不變量的簡單對比、對極幾何中的基礎矩陣、對極點、對極線等。
  6. Characteristics of heat balance parameters of arctic ocean drifting ice and open sea are presented based on the profile - flux method and the data obtained by the first chinese national arctic research expedition during aug. 19 24, 1999

    利用中國首次北極考察隊於1999年8月19日24日在北冰洋浮冰區獲得的大氣近地層垂直廓線和輻射等資料，依據相似理論方法，對比分析了北冰洋無冰海面和冰面上熱平衡參數的變化特徵。
  7. We have observed the following characteristics of anatomical structure and development : ( 1 ) the primary roots belong to archetype and the lateral roots occur in the position toward the xylem of the vascular cylinder ; ( 2 ) the root endodermis consists of thicken casparian strips, and there are from two lo four layers parenchyma cells near the pericycle ; ( 3 ) the pith and resins canals are absent in the toots ; ( 4 ) secondary structure occurs in the root hair zone, and vascular cambium is formed from the parenchyma cells between the primary xylem and primary phloem ; ( 5 ) tanning materials are abundant in pericycle cells and phelloderm cells ; ( 6 ) sclereids are found in secondary phloem, and rays are rather rich in secondary xylem

    結果表明：氣生不定根具有以下結構特徵和發育特點： （ 1 ）根為二原型，側根正對著木質部發生； （ 2 ）幼根內皮層細胞具凱氏帶加厚，維管柱內緊挨中柱鞘內側具有2 ~ 4層大型薄壁細胞； （ 2 ）根中無髓和樹脂道； （ 4 ）次生結構發生於根毛區，維管形成層由初生木質部和初生韌皮部之間的薄壁細胞轉化形成； （ 5 ）中柱鞘和栓內層細胞富含單寧類物質； （ 6 ）次生韌皮部有石細胞，次生木質部射線發達。
  8. Above all, the system fuse the eradiate noise ' s different sides " feature and offer strong elements for the next process : classifying. it is very important to study the classifier in this dissertation

    其中線譜特徵反映了船舶輻射噪聲的頻域信息，能量特徵綜合了不同頻段內的信息，而分維特徵反映了信號的時域的信息。
  9. The electronic temperature, intensities of all lines and continuous spectra gradually increased with the increment of laser energy, and they got to maximum at different laser energy. our results of copper and aluminum show that there are possibly different thresholds of laser energy to electronic temperature and intensities of emission spectra of laser ablated plasma. at the different environmental gas pressure, spatial emission intensity distribution is explained by the competition among " heat reservoir effect ", " confined effect " and " s hadow effect "

    認為cu等離子體羽的發光機制是由電子與粒子的碰撞傳能、電子與離子的復合形成的；隨激光能量的增加， cu等離子體特徵輻射（分立譜） 、連續背景輻射（連續譜） 、電子溫度都出現最大值；結合對al的實驗結果說明：激光燒蝕金屬產生的等離子體，其特徵輻射、連續輻射、電子溫度可能都存在一定的能量閾值；背景氣壓對激光燒蝕等離子體譜線的影響，其機理可以認為是「熱庫效應」 、 「約束效應」及「陰影效應」相互競爭的綜合結果。
  10. According to their space position, the seismic features of shallow gas in this region can be divided into three groups : ( 1 ) features in the stratum : acoustic blanket, acoustic curtains, acoustic turbidity, irregular strong top reflection boundary, and phase pull - down in both flanks ; ( 2 ) features of the seabed : seabed pockmark and giant sunken pit ; ( 3 ) features in the seawater column : acoustic plumes, cloudy turbidity and point - line - type reflection

    該區的淺層氣地震特徵按空間位置分為3大類： （ 1 ）地層中的特徵：聲學空白、聲學幕、聲學擾動、不規則強反射頂界面、兩側相位下拉； （ 2 ）海底面的特徵：海底麻坑、大型塌陷坑； （ 3 ）海水層中的特徵：聲學羽流、雲狀擾動、點劃線反射。
  11. The authors studied the characteristics of element geochemistry, mineral assemblage and microtexture of the white reticulate clay in the quaternary laterite of the dongting basin with some experimental analysis methods, such as chemical analysis, x - ray diffraction analysis, ir and sem analysis. the genesis of the vermiculate reticulate clay and the rhizomatic reticulate clay in the quaternary laterite of the dongting basin are discussed. the formation of crannies or holes in the soil and the transference of soil elements are absolutely necessary conditions to form the white reticulate clay in laterite

    在野外考察的基礎上，運用化學全量分析x射線衍射分析紅外光譜分析和掃描電鏡微形貌分析等實驗方法和手段，對洞庭盆地第四系紅土地層中網紋的元素地球化學礦物組合特徵和微形貌特徵進行了系統研究，對洞庭盆地紅土地層中2種主要的網紋類型蠕蟲狀網紋和根狀網紋的成因進行了探討。
  12. Characteristic ray cone

    特徵射線錐面
  13. By the result of these experiments, acoustic emission ( ae ) was chosen to use in the research. at the same time, we analyse the phenomenon of acoustic emission at the base of theory, the characteristic signal of acoustic emission which comes from the faulty bearing at the angle of application, and the expression of the characteristic signal. contrast was also made on the data achieved separately from vibrational signal and ae signal, and it is proved that ae is feasible and available to the diagnosis to the fault of the rolling bearing

    主要工作有如下幾方面：對本段前期實驗室階段採用的振動法幅值域無量綱處理進行了分析，並研製了現場所使用的滾動軸承故障檢測裝置，將無量綱參數診斷法應用於段修現場，且做了大量試驗；對于現場試驗中所出現的問題進行了分析，提出將聲發射的方法用於軸承的在線故障診斷；從理論上分析了聲發射現象，從應用的角度分析故障軸承的聲發射信號的特徵以及聲發射信號特徵的表示方法，並在實驗室中，採用振動法和聲發射法實時檢測的實驗數據進行了對比和分析，證明了使用聲發射法對軸承故障檢測的可行性和有效性。
  14. Observation of the on - off sequencing of characteristic spectral lines from tracer materials arranged in layers in, or surface patterns on, planar or spherical targets can provide a record of radial or lateral energy transport processes in laser - generated plasmas

    測量激光聚變靶產生的軟x射線時間變化連續譜的形狀，可以知道許多x射線產生過程的詳細動態記錄，這有助於理解實驗的熱學條件。觀察軌跡特徵譜線的閉合序列，能提供關于激光等離子體激發能量和滯后能量的傳輸過程記錄。
  15. Based on this kind of relations between the topological structures and the content distributions we study the web modelling, community identification and some related application problems in detail : first, after some existed characteristics of the web topology are verified, some new characteristics are discovered : the high clustering property in micro - topology ( high average gathering coefficient ), the obvious mapping relation between the topological struture and the content in micro - level 、 linear irrelevant between the degree distribution of network nodes and the relative degree distribution of contents etc. then after analysis the topology of the complex network and the network modeling, the muti - scale determinism is proposed, especially for the information network a web evolvement model ( prcp model ) that fused the node authority and the node correlation is proposed. the model deduction, evolving learning verification and large scale experiment proof indicate that the model can explain the micro - topology centralizing phenomena, can imitate the mapping relation between the network connecting distribution and network content relative distribution and also can predict the mapping relation between the topology clustering and content clustering

    本文在詳細觀察了web網路的拓撲結構特徵以及拓撲結構與內容分佈相互關系的基礎上，以信息網路的物理連接拓撲結構與節點內容相關度分佈之間的相互關系為主線，從網路特徵、網路建模、社區分析及相關應用方面問題進行了深入細致地探討:首先在驗證了前人提出的web網路拓撲結構特徵基礎上，進一步發現了信息網路所具有的一些新特徵: 1 ）網路微觀顆粒度的拓撲結構聚團與內容聚團存在明顯的映射關系，具體包括節點之間的物理連邊概率與節點之間的內容相關度成指數比例關系、節點形成三角形拓撲結構的概率與節點內容相關緊密程度之間同樣具有一種指數比例關系; 2 ）網路節點連接度整體分佈與節點內容相關度整體分佈是線性無關的; 3 ）網路微觀拓撲結構中的存在很強的集聚性（平均聚團系數很高） 。
  16. The leakage gamma ray of iron spheres is measured by high pure germanium ( hpge ) detector. comparing with the bc - 501a scintillator detector, four characteristic gamma rays : 846. 77, 1238. 282, 1771. 351 and 2212. 933kev caused by inelastically scattered neutrons are coincident with the bc - 501 a scintillator detector. it shows that the measurements by bc - 501 a scintillator detector are accurate and credible

    利用高純鍺探測器測量泄漏能譜，並與bc - 501a測量的結果進行了對比，幾個典型的中子非彈性散射所產生的特徵射線峰846 . 77kev ， 1238 . 282kev ， 1771 . 351kev和2212 . 933kev ，對應的較一致，由此確定bc - 501a探測器測量結果是準確、可靠的。
  17. The encoding of the data by ann approach is a promising method for the measurement of uranium samples. the determination of the shielded uranium, in particular, by passive gamma - ray detection is a formidable challenge. gamma rays are ideal probes for determining the attributes of uranium in nuclear material transparency monitoring and verification of safeguards regime

    2 % ;封裝濃縮鈾屬性的判定一直是nda測量技術中的難點問題，本工作提出了一種輔助探測的方法並給出了高濃鈾的判定依據，該方法通過探測232u衰變子體核素208t1的2614 ， 75kev特徵射線能峰確定鈾樣品中是否存在232u ，從而判定封裝樣品是否為高濃鈾。
  18. The variation of the film composition can be monitored by using the method of spectrum analysis during the film deposition ( for the intensity of the persistent line is proportional to the particle density of the element in the vacuum chamber ). the measurement of the transmission spectrum of the film on a transparent substrate can be used to calculate the film parameters, such as refractive index, extinction coefficient and the thickness of the film. therefore, the combination of the two methods would be helpful to on line monitoring the film constituents and the optical paramenters in the preparation of thin films

    在制備薄膜的過程中，利用光譜分析的方法，以放電光譜特徵譜線強度的變化來反映相應物質成分的變化，以連續光譜光源發出的光透射過薄膜的透射率的變化，來反映薄膜的厚度、折射率、吸收系數等光學參數的變化，從而達到在制膜過程中，對薄膜的成分、厚度等參數進行在線監控的目的
  19. This thesis is not only discussing and analyzing mathematically the working principle of y type reflection fiber optic detector, but also deducing the fundamental calculating formula of reflection light intensity, and drawing the displacement - responding sensitivity curve. this thesis also points out the three characteristics curves corresponding to the detections in tiny displacement, biggish displacement, and superficial roughness. these are very creative and completely valuable in practicality

    按題目要求，論文對y型反射式光纖探頭的工作原理進行了初步探討和數學分析，推導出反射光的基本計算公式，繪出了位移- -響應靈敏度曲線，並指出y型反射式光纖探頭進行微小位移、較大位移、表面粗糙度測試時對應的三個特徵曲線段，具有創新之處和實用價值。
  20. Shallow water waves. derivation of the equations. linearization and solution. radiation conditions. more on characteristics and shocks, now for all shallow water equations

    淺水波。方程的導出。線性化及其解。輻射過程。所有淺水波方程的特徵曲線和激波。
分享友人
分享到 Line

分享到臉書