源距 的英文怎麼說

中文拼音 [yuán]
源距 英文
source-detector separation
  • : 名詞1. (水流起頭的地方) source (of a river); fountainhead 2. (來源) source; cause 3. (姓氏) a surname
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  1. Very few alpha particles from radioactive sources can travel more than 1 to 3 inches in air before being stopped.

    在空氣中從放射放出的粒子在停止以前只有很少能穿過13英寸的離。
  2. By comparing theoretical predictions with experimental data, one can obtain a valuable information on the form of the qq interaction potential. such information is of great practical interest, since at present it is not possible to obtain the quark - antiquark ( qq ) potential in the whole range of distances from the first principles of qcd

    夸克勢模型是其中重要的模型之一,它不僅能研究強子的基態,而且能研究激發態,但是,於在中和大離與qcd真空的復雜結構有關的非微擾特徵,還不可能獲得整個離范圍內的夸克?反夸克相互作用勢。
  3. The various colours significant of various degrees of vitality white, yellow, crimson, vermilion, cinnabar : their degrees of brilliancy : their magnitudes revealed up to and including the 7th : their positions : the waggoner s star : walsingham way : the chariot of david : the annular cinctures of saturn : the condensation of spiral nebulae into suns : the interdependent gyrations of double suns : the independent synchronous discoveries of galileo, simon marius, piazzi, le verrier, herschel, galle : the systematisations attempted by bode and kepler of cubes of distances and squares of times of revolution : the almost infinite compressibility of hirsute comets and their vast elliptical egressive and reentrant orbits from perihelion to aphelion : the sidereal origin of meteoric stones : the libyan floods on mars about the period of the birth of the younger astroscopist : the annual recurrence of meteoric showers about the period of the feast of s. lawrence martyr, 10 august : the monthly recurrence known as the new moon with the old moon in her arms : the posited influence of celestial on human bodies : the appearance of a star 1st magnitude of exceeding brilliancy dominating by night and day a new luminous sun generated by the collision and amalgamation in incandescence of two nonluminous exsuns about the period of the birth of william shakespeare over delta in the recumbent neversetting constellation of cassiopeia and of a star 2nd magnitude of similar origin but lesser brilliancy which had appeared in and disappeared from the constellation of the corona septentrionalis about the period of the birth of leopold bloom and of other stars of presumably similar origin which had effectively or presumably appeared in and disappeared from the constellation of andromeda about the period of the birth of stephen dedalus, and in and from the constellation of auriga some years after the birth and death of rudolph bloom, junior, and in and from other constellations some years before or after the birth or death of other persons : the attendant phenomena of eclipses, solar and lunar, from immersion to emersion, abatement of wind, transit of shadow, taciturnity of winged creatures, emergence of nocturnal or crepuscular animals, persistence of infernal light, obscurity of terrestrial waters, pallor of human beings

    顯示出不同程度之生命力的繽紛色彩白淺黃深紅朱紅銀朱諸星之亮度一直包括到七等星以等級標志的諸星之大小諸星的位置御夫座沃爾辛厄姆路172大衛的戰車173土星光環螺旋星雲凝固后形成有衛星的恆星群兩重大陽相互依存的旋轉運動伽利略西蒙馬里烏斯174皮亞175勒威耶赫歇耳加勒176等人各自獨立地同時所做的發現波得和開普勒所嘗試的離的立方與回轉次數的平方的體系化177多毛的眾彗星178那幾殆無限的被壓縮性,以及自近日點至遠日點那廣漠的遠心的重返大氣層的橢圓軌道隕石的恆星之起年紀較輕的天體觀測者誕生的那個時期火星上所出現的「暗波」現象179每年在聖勞倫斯節殉教者,八月十日前後降落的隕石雨每月都發生的所謂「新月抱舊月」現象180關于天體對人體的影響的假定威廉莎士比亞出生的時期,在斜倚卻永不沒落的仙后座那三角形上端,一顆不分晝夜散發著極亮光彩的星辰一等星出現了181這是兩個無光死滅了的太陽因相撞並汞合為白熱體而形成的燦爛的新太陽大約在利奧波德布盧姆出生時,出現在七星花冠星座里而後又消失了的一顆同一起亮度卻稍遜的星宿二等星182還有約於斯蒂芬迪達勒斯出生時,出現在仙女座中之後又消失,小魯道爾夫布盧姆出生與夭折數年後出現于御夫座后又消失,以及另外一些人出生或去世前前後後出現在許許多多其他星座中而又消失了的假定是同一起的實際存在或假定存在的星斗183 。
  4. The feathers attached to the arms and the tail evidently possess the structures of " modern feathers ", which consisting of the central shafts ( rachis ) and parallel barbs. dromaeosaurids are unusual group of maniraptoran theropods. they share many similar or the same features with archaeopteryx or other primitive birds, such as : u - shaped furcula, uncinate process, laterally facing glenoid of shoulder girdle, comparatively long forelimb, large semilunate carple, retroverted pubis, ascending process of astragalus, and " modern feathers " with rachis and barbs etc. these facts indicate not only that dromaeosaurids had developed many bird - like characters in course of the advanced maniraptorans toward birds, but also that there seemed to be the co - evolutionary trend between the feathers and the skeletal bones

    奔龍類是一類較為特殊的手盜龍類( maniraptora ) ,它具有許多與始祖鳥archaeopteryx甚至其它早期鳥類相似或接近的特徵,主要表現在:叉骨u形與始祖鳥和孔子鳥類的相同,背肋鉤狀突在孔子鳥類和個別反鳥類中也存在,肩臼窩絕大部分指向側方類似於始祖鳥,肩胛骨與烏喙骨間的夾角非常接近90也和始祖鳥的相似,前肢從比例上講顯得較長,大的半月形腕骨使肘部能向側方折過來,恥骨伸向後下方,骨上升突與原始鳥類中的為同結構,羽毛已有顯著的分化且具備了現代羽毛的基本結構等等。
  5. Cygnus x-3 is a binary x-ray source located at a distance of 10kpc.

    天鵝座X-3是一個離約10千秒差的雙重X射線
  6. We can attains some conclusions in this paper, nozick emphasizes the rightness of property holding and historic justification of the origin of property, rawls highlights on the right of equality and cares for people who live in inferior position. nozick stresses the ownership of natural development of property " holding " and advocates the theory of " the minimal state ". in order to arrive at goals of social justice and good, rawls tries to reduce the gap in social and natural chanciness, and insists on the redistribution of property under the interposition of the public reason and public power

    我們可以獲得一些結論:諾齊克看重財產持有的正當性和財產來的歷史意義,羅爾斯則按照「兩個正義原則」對公共資進行分配並關懷弱勢群體;諾齊克強調財富「持有」的自然生成的所有權並主張干預財富分配的「最弱意義國家」理論,羅爾斯則試圖減輕自然和社會「偶性」方面的差,強調通過公共理性和公共權力來干預財產的分配和再分配,以期達到社會的公正與善。
  7. It conies from u. k. and it has been over 100 years

    投資基金起於英國,今已有100多年的歷史。
  8. Cygnus x - 3 is a binary x - ray source located at a distance of 10kpc

    天鵝座x - 3是一個離約10千秒差的雙重x射線
  9. This is so because climbing plants are likely to encounter intensive - changing environmental condition during their growth ( especially change of illumination ). secondly, there is a large proportion ( 30 - 40 % ) of climbing plants which belong to dioecism, and hence a gap between male and female plants on morphology, biological characteristic, economic value and so on. this dissertation focuses on herbaceous climbing plants, perennial or annual species such as dioecious trchosahthes kirilowii maxin and dioscorea opposita thumb, and monoecious luffa cylindrical ( l ) roem, it attempts to discover how climbing plants adapted to various environments and the mechanism of adaptation from aspects of physiological and reproductive ecologies at present, due to overuse of chlorofluorocarbons ( cfcs ), the ozonosphere has become thinner and thinner, and the ultraviolet - b ( uv - b ) radiation has increased considerably

    而攀援植物本身是一類理想的植物行為生態學研究材料:第一,攀緣植物由於受攀緣能力和支柱木資的限制,在生長過程中通常要遇到強烈變化的環境條件(特別是光照) ;第二,攀緣植物中具有較高比例的雌雄異株類型,通常佔地區攀緣植物種類的30 40左右,不同性別的植物在形態學及生物學特性、經濟價值等方面存在一定的差,因此,本文以雌雄異株攀緣植物栝樓( trchosahtheskirilowiimaxim ) (葫蘆科多年生草質藤本植物)和山藥( dioscoreaoppositathunb ) (薯蕷科薯蕷屬植物) 、雌雄同株異花攀緣植物絲瓜[ luffacylindrical ( l ) roem ] (葫蘆科一年生攀緣草本植物)為材料,試圖從生理生態學及生殖生態學角度揭示攀援植物如何適應不同生境及其機理。
  10. The intention of this part is to find the insufficiency in management of our commercial bank, espial of state - owned banks, by comparison. it is completed through the calculation of index according to the order of liquidity, security and profitability

    其次,以「三性」原則為序,運用財務指標,指數模型分析我國國有獨資商業銀行與股份制商業銀行的經營狀況,通過比較找出相應的差和根
  11. A novel joint estimation algorithm for ranges, frequencies and doas of multiple near - field narrowband sources is proposed in the near field is proposed

    摘要提出了一種新的多個近場窄帶信源距離、頻率及到達角三維參數的聯合估計演算法。
  12. Experimental results and simulations show that the fringe spacing of the psf is narrow down with the increasing of and l

    實驗和模擬結果表明,點擴散函數的條紋間隨錐鏡夾角增大而變窄,隨點光源距透鏡離的增大而變窄。
  13. The measurement position and background noise subtraction which in the boundaries noise measurement of industrial enterprise and factory have been analyzed. the solutions to the sensitive distance from acoustic source and setting of monitoring sites, noise, the external serious influence were proposed

    在工業企業廠界噪聲測量中經常遇到的問題主要有監測點位布設和背景噪聲扣除兩類,並對敏感點源距離與布點監測、背景噪聲的測量和受外來聲嚴重影響時如何測量廠界噪聲等問題提出了解決辦法。
  14. Based on the discussion on the principle of density - logging, this paper analyses far - gamma gamma rate, near - gamma gamma rate and density - logging curve respectively, and discusses far - gamma gamma rate near - gamma gamma rate and density variation caused by radioactive anomalies, and preliminarily interprets factors that could lead to the variation of density - logging curve of radioactive anomalous layer, thus explaining the reason why density - logging curve changes at the radioactive ore - layer in northern ordos basin, finally, an empirical formula for revising the distortion of density - logging curve has been established

    摘要本文概述了密度測井原理,分別對長源距計數率、短源距計數率及密度曲線進行分析,對由於放射性異常引起的長源距計數率、短源距計數率及密度變化情況進行了討論,初步解釋了放射性異常層位密度曲線的變化因素,說明了鄂爾多斯盆地北部地區密度測井曲線在放射性礦段的變化原因。
  15. The approach extends the parallel factor ( parafac ) analysis model from the common data - domain and subspace multiple invariance sensor array ( mi - sap ) formulations to the cumulant one, and forms three - way arrays by using the cumulant matrices got from array outputs, and analyzes the uniqueness of low - rank decomposition of the three - way arrays, then jointly estimates the ranges, frequencies and doas from the matrices via low - rank decomposition

    該演算法將通常在數據和子空間域應用的平行因子分析模型擴展至高階累積量域,利用陣元輸出計算的高階累積量矩陣構造三面陣,分析了該三面陣低秩分解的唯一性,並從分解得到的多個矩陣中聯合估計信源距離、頻率及到達角。
  16. Stoneley wave is a kind of guide waves propagating along the liquid - solid interface in well. when a sonic beam strikes the surface of a thick plate immersed in a liquid, a stoneley wave is generated. stoneley wave approach is applied on analysis of well logging more and more widely in recent ten years with the introduction of advanced analysis methods for component waves from full - waveform array acoustic log data. the spectrum of stoneley waves are used to identify the fractured zones and quantitatively calculate the fracture parameters of reservoirs, especially to evaluate the validity of fractures at fracture - type complex reservoir

    斯通利波是一種沿井壁傳播的聲波,當聲波脈沖與井壁和井內流體的界面相遇時就會產生斯通利波。近十幾年來,由於長源距和偶極子陣列聲波儀在測井中的廣泛應用和全波形陣列聲波測井資料中各組分波的處理分析方法的進步,可將斯通利波分離出來單獨研究並應用於測井資料分析。斯通利波技術是評價裂縫及其滲透性的有效方法。
  17. On dual detector carbon oxygen logging

    源距碳氧比測井技術研究
  18. With the input of a vibration acceleration history of subway train, a full dynamic analysis of soil - pile - structure is carried out. the propagation of vibration wave on the ground and vibration responses of the huge platform and the storied buildings are analyzed. some conclusions are drawn as follows : ( 1 ) with the increase of the distance to the vibration source, vibration intensity of the ground decreases ; ( 2 ) the vibration intensity of the ground in vertical direction is slightly larger than that in horizontal direction ; ( 3 ) with the increase of the distance to the vibration source, the situation that the vibration intensity of each building in horizontal direction is maximum at highest and lowest story whereas minimum at the middle story changes gradually to that decreasing with the height of building ; ( 4 ) in vertical direction, the vibration velocities and accelerations at the end points of each story of a building are the nominal identical, which indicates that the vertical vibration of them is unanimous ; ( 5 ) the vibration intensity in vertical direction of a building is larger than that in horizontal direction ; ( 6 ) increasing of the elasticity of track is an effective way to abate vibration of ground and buildings

    本文以北京地鐵八王墳車輛段地上超大結構(車輛段大平臺及其上的小區樓房)及其地基基礎為研究對象,在研究和分析有關資料的基礎上,用快速拉格朗日有限差分法軟體flac建立了二維數值分析模型,並以列車振動加速度時程作為模型輸入,進行了地基?樁基礎?地上結構的整體動力學分析,分析了地鐵列車運行產生的振動在地面的傳播規律及其對地上結構的影響,得到了如下結論: ( 1 )隨著與地鐵線路離的增大,地面的振動強度有減小的趨勢; ( 2 )地面豎直方向的振動強度較之水平方向的略大; ( 3 )隨著與振源距離的增大,在水平方向上,地上各幢樓房的振動強度由底層和頂層的最大、中間層的最小逐漸過渡到沿樓層增高而減小; ( 4 )在豎直方向上,每幢樓各層端點的振動速度、加速度完全相同,表明樓房各層在豎直方向上的運動狀態一致; ( 5 )各幢樓房豎直方向的振動強度比水平方向的大; ( 6 )增加軌道彈性是減輕地面和地上建築振動的有效途徑。
  19. The amplitude of the waveform in a borehole with a vertical fracture gradually decreases with the increase of the source distance, but the decrease velocity is varied with the location of the fracture

    5 、垂直裂縫地層井內全波幅度隨源距增大而逐漸減小,但其降低速率隨裂縫位置變化是不同的。
  20. A doubling of the distance will reduce the h - field by a factor of eight h 1 d ?

    磁場強度與射源距離的立方成反比h 1 d
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