field ray 中文意思是什麼

field ray 解釋
軸外物點光線
  • field : n 菲爾德〈姓氏〉。n 1 原野,曠野;(海、空、冰雪等的)茫茫一片。2 田地,牧場;割草場;〈pl 〉〈集...
  • ray : n 雷〈姓氏,男子名, Raymond 的昵稱〉。n 1 光線,射線,熱線;〈詩〉光輝,閃爍,曙光,一線光明。2 ...
  1. It is important that study gamma - ray spectrometry of field rock and soil in the earth ' s crust. its energies range between 30kev and 3000kev, where there is much information of natural radioactive nuclides, such as uranium, thorium, potassium, and information of artificial radioactive nuclides, such as cesium, americium, cobalt, and information of the results in interaction between gamma - ray and earth ' s crust

    研究表明:野外地面射線能譜測量主要研究地殼巖石土壤中產生的能量約為30kev 3000kev的射線,這裡面包含著鈾、釷、鉀等天然放射性核素信息,核工程活動產生的大量人工放射性核素信息以及射線與地殼相互作用產生的相關信息。
  2. Besides that ray theory is helpful to calculate three - dimensional sound field, and the inversion of sound field could be finished quickly enough to realize the detection of ocean environment in wide area

    特別是射線理論對解三維聲場尤為方便,它將有望實現三維聲場的快速計算和聲場的反演,達到海詳環境的監測目的。
  3. In chapter two, we fabricated r - ni - fe / al2o3 nanocomposites successfully by using ball - milling mixing method plus hot - pressing process. meanwhile, their microstructures are characterized by x - ray diffraction ( xrd ) analyser, transmission electron microscopy ( tem ), field emission scanning electron microscopy ( fe - sem ) and brunauer - emmett - teller ( bet ). the results indicate that ni - fe particles are homogenously dispersed in the matrix in the composites

    在第二章中,我們採用高能球磨混合方法加上熱壓燒結工藝,成功制備了ni - 20fe al _ 2o _ 3納米復合材料,並通過x射線衍射儀( xrd ) 、透射電鏡( tem ) 、場發射掃描電鏡( fe - sem ) 、比表面孔隙儀( bet )對該復合材料的微結構進行了表徵。
  4. " x - ray gaze small cut extirpating soft organism eyewinker " got the fourth prize in military field ; " research and application of wild war one - time operation bandage " got the second prize ; " making of rabbit paralyze modal and rachis transplant experiment " the fourth prize of technical progress

    「 x -線直視下小切口摘除深部軟組織異物」獲軍內科技進步4等獎。 「野戰一次性手術敷料包研製及應用」獲全軍科技二等獎。 「家兔癱瘓模型的製做以及胎兔脊髓移植的實驗研究」獲得軍內科技進步4等獎。
  5. Abstract : in this paper , a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon. some basic equations of dual beam scan are derived , such as , the position vector for the incident point , the scalar expression for reflected ray , scan pattern on observation plane ect. the far - field asymmetry of the scanning field has been discussed

    文摘:應用幾何光學理論研究了多光束轉鏡掃描場的非對稱性,導出多光束掃描入射點位置矢量、反射線標量表達式、觀察面上的掃描軌跡方程,並研究了掃描遠場的非對稱性。
  6. Meanwhile 3d data sets visualization technology can also widely apply to medicine image field, meteorology field, etc. ray - casting algorithm assumes that 3d space data f ( xi, yj, zk ) distributes on the dots of even or formula reseau

    所以數據場可視化技術在石油勘探開發中的應用前景十分廣泛,同時三維數據場的可視化技術也廣泛地應用於醫學影像學、氣象學等領域。
  7. The chemical composition and microstructures of the insulating thin films prepared by different methods were analyzed by x - ray diffraction ( xrd ) and scanning electron micrograph ( sem ) ; other properties such as electric resistance, the breakdown field strength and dielectric properties were evaluated using high resistance meter, voltage resistance meter and precision impedance analyzer respectively

    採用x射線衍射儀( xrd )對表面絕緣薄膜的物相組成進行了分析,掃描電子顯微鏡( sem )對表面絕緣薄膜的微觀結構進行了研究,並用絕緣電阻測試儀、耐壓測試儀和精密阻抗分析儀分別對絕緣膜進行絕緣電阻率、擊穿場強和介電性能的測試。
  8. Effect of multifunctional plastic film transfering violet ray to red light applied in field

    用靜電殺滅蚜蟲的初步試驗研究
  9. It is found that the main electronic conduction mechanism in the high field regions of the i - v characteristics is identified to be fowlernordheim tunneling. the effect of y ray on sic mos c - v characteristics depends strongly on the bias voltage applied to the gate electrode during irrad

    當氧化層中存在較強電場時,電離輻照對s匯mos電容的影響會更明顯, sicmos器件比st器件具有更好的抗y輻照的能力。
  10. The cenosphere particles were characterized with optical microscope, field emission scanning electron microscopy ( fesem ), energy - dispersive spectroscopy ( eds ) and x - ray diffraction ( xrd ) in and after the plating

    用光學顯微鏡、場發射掃描電子顯微鏡、能譜儀和x射線衍射儀對其進行了分析表徵。
  11. Ultrashort pulse amplification, including chirped pulse amplification ( cpa ) and optical parametric chirped pulse amplification ( opcpa ), has been becoming one of the hot researches in the field of ultrashort pulse laser technology because ultrashort and ultrahigh intensity pulse laser has important applications in high field physics, such as x - ray laser, icf, laboratory astrophysics, laser particle accelerator, and so on

    由於超短超強脈沖激光在x射線激光、慣性約束核聚變、實驗天體物理、激光粒子加速器等強場物理研究領域內的重要應用,超短脈沖激光放大技術目前已成為超短脈沖激光技術研究的熱點之一。它包括啁啾脈沖放大( cpa )和光參量啁啾脈沖放大( opcpa )兩大類。
  12. The corrosion behavior of nanocrystalline ( nc ) copper bulks with various grain sizes prepared from igc ( inert gas condemsation ) and vacuum annealing in comparison with conventional microcrystalline ( mc ) copper ( as - rolled and electrolytic ) in acid copper sulphate solution and neutral solution containing chlorides under free corrosion conditions and anodic polarizations has been studied using potentiodynamic polarization, potentiometric analysis, cyclic voltammetry and electrochemical impedance spectroscopy. x - ray diffraction was used to estimate the grain size of the annealed nc copper. field emission gun scanning electron microscopy and x - ray energy - dispersive spectroscopy was used to characterize the surface morphology and analyze the surface composition after the polarization and potentiometric test of both nc and mc copper

    本文研究了用igc (惰性氣體蒸發凝聚原位溫壓法)制備並真空退火到不同晶粒尺寸的納米晶銅和微米晶銅(冷軋紫銅、電解銅)在酸性硫酸銅溶液和中性含氯溶液中,在自腐蝕狀態和陽極極化狀態下的腐蝕性能。使用了動電勢極化、電位測定、循環伏安法( cv )和電化學阻抗譜( eis )等方法。 x -射線衍射( xrd )的方法用來估算納米晶銅晶粒尺寸。
  13. Rays entirely parenchymatous, uni - serate ; horizontal and tangential walls of ray cells smooth and thin. cross - field pitting taxodoid with 1 - 4 pits

    木射線單列,全由射線薄壁細胞組成;射線細胞水平壁薄,紋孔缺乏,端壁平滑。
  14. Through field investigation, microscopic study, x - ray phase analysis and mineral infrared spectrum analysis, the authors determine the laumontitization had occurred widely in the axi gold field. according to the development of laumontitization and its relationship to mineralization, authors reveal that the laumontitization appeared mainly at the top and periphery to ore - bodies. it befallen at the edge of the geothermal fluid system or happened in the late stage of geothermal fluid system evolution, hence can be assigned as an indicator to prospect for epithermal gold deposit. the fluid causing laumontitization in the axi gold deposit is similar to those causing hot spring type gold deposit or in modern geothermal field. the fluidization of the axi gold deposit happened in carboniferous, showing the west tianshan is a good district for epithermal gold mineralization and preservation. so west tianshan is prospecting for exploring epithermal gold deposit

    通過野外考察顯微鏡下薄片鑒定x射線物相分析和礦物紅外光譜等研究,確定了阿希金礦濁沸石化的普遍存在根據濁沸石化發生的規律及其與礦床形成的關系,確定濁沸石化主要見于礦體的上部和外圍,發育在地熱流體系統的邊緣和演化晚期,可作為尋找淺成低溫熱液型金礦的標志之一。導致阿希金礦濁沸石化的流體性質與熱泉型金礦成礦流體和現代地熱田類似,流體作用發生在石炭紀,證明西天山地區具有良好的淺成低溫熱液型金礦的形成和保存環境,因此找礦前景較好。
  15. Four kinds of c / c composites with different preparation techniques were graphitized at 2400 - 2880. the relations between magneto - resistance and orientation ( the angle between surface of samples and magnetic field ), measure temperature, the intensity of magnetic field ( b ) were studied for each sample. the micro - structure and x - ray diffraction pattem were investigated too

    本論文在對制備工藝不同的四種碳/碳復合材料樣品進行2400 2880的石墨化處理后,應用ppms ( physicalpropertymeasurementsystem )研究了測試位向(試樣某特定面和磁場方向夾角) 、測量溫度以及外加磁強對材料磁電阻特性的影響,同時研究了各試樣的微觀結構和x射線衍射譜圖。
  16. The top image, a wide field x - ray view, reveals spectacular loops of hot gas spreading out from the southern part of the antenna into intergalactic space

    上圖是寬視場x射線照片,其中顯現的是壯觀的熱氣體環,從觸角星系的南側向外延伸至星系際空間。
  17. The x - ray spectra emitted from laser - produced plasmas contain plentiful information. it is a powerful tool to carry out plasma diagnosis and to study the formation and evolution of the plasmas as well. it plays a significant role in the field of inertial confinement fusion

    慣性約束核聚變( icf )中,激光等離子體發射的x射線譜中包含著十分豐富的信息,是研究等離子體形成、發展並進行狀態診斷的有力工具之一,具有非常重要的意義。
  18. Abstract : in the field of optical wireless links, concentrators that are designed by the tools of nonimaging optics can be used to collect the light radiation and are more compact and have higher collection efficiencies than imaging concentrators. hemispherical concentrators are studied by ray tracing, then for several normal nonimaging concentrators : hemispherical concentrators, compound parabolic concentrators ( cpc ), dielectric totally internally reflecting concentrators ( dtirc ), simultaneous multiple surfaces concentrators ( sms ) and inhomogeneous media concentrators ( poisson bracket ), the design methods and the performances e. g. the gain and the field of view ( fov ) are compared as well as the application suggestion

    文摘:在無線光通信領域,利用非成像光學設計的集中器能夠聚集光輻射能量,而且相對于成像性集中器具有更緊湊的結構和更高的增益.利用光線追跡法對半球形集中器的性質進行了分析與研究.對好幾種非成像集中器:半球形集中器,復合拋物線形集中器,介質內部全反射集中器,多表面集中器,多相介質集中器,從設計原理、增益和視場進行比較,並分析其應用場合
  19. Results rectify that matched field processing based on ray travel time delay is insensitive to the mismatch of sound speed proflle, although the mismatch of ocean bottom depth and receiver location is bad to matched field processing, different forms of cost fimctions could decline the sensitivity

    計算結果表明,基於聲傳播時延的匹配場定位對聲速分佈失配是不敏感的。雖然接收基陣位置傾斜和海洋深度誤差對匹配場處理影響較大,但只要選擇適當的代價函數,可以得到克服。
  20. This paper systematically discussed the fundamental, characteristics, research status and equipment of microwave sintering, and introduced the preparation and development of sintered ndfeb magnets, on the basis of which the effects of the parameters on the heating rate and sintering temperature were investigated. and by means of optical metallurgical analysis, x - ray diffraction analysis and the measurement of density and magnetic properties, the paper compared the properties and technology of ndfeb magnets sintered in microwave magnetic field with that of magnets sintered in conventional heating process

    本文系統論述了微波燒結基本原理、特點、研究現狀和燒結設備,介紹了燒結ndfeb制備工藝和發展,在此基礎上研究了微波磁場燒結ndfeb永磁材料過程中各因素對升溫速率、燒結溫度的影響,並通過金相顯微分析、 x射線衍射分析、密度及磁性能測試等手段,將微波磁場燒結的ndfeb磁體與常規燒結的磁體進行了工藝與性能的對比分析。
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