輻射化學 的英文怎麼說

中文拼音 [shèhuàxué]
輻射化學 英文
radiation chemistry
  • : 名詞(車輪中車轂和輪圈的連接物) spoke
  • : 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) ...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • 輻射 : radiation; exposure; radio; beaming
  1. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電動力環流耦合模式( time - gcm ) ,對重力波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝的影響進行了數值模擬,結果表明,從對流層向上傳播的重力波經歷了產生、發展、飽和、對流產生直至破碎的非線性演,大氣的非等溫結構加速了重力波在中層頂區的破碎,重力波的非線性傳播是小尺度對流和湍流產生的一個重要的源。
  2. Abstract : this paper describes the classical mathematic model of bolometer, the effect of thermal isolation and noise on detector performance are also discussed

    文摘:總結了非製冷測熱計的經典數模型,並分析了探測器熱絕緣結構和噪聲對性能的影響,指出了性能改進和優的基本途徑。
  3. Ceo22 is used as optical materials, polishing agents, ultraviolet absorption materials, the cleaning catalyst of car ' s waste gases, chemical decolorant of glass, radiation - resisting glass permanent magnet, electronic ceramics etc. if it is processed into nanoparticles, it will exhibit some novel properties led to varied applications. for example, ceo22 nanocrystal is a better promoter of cytochrome c and the stabilizer of zro22 ceramics. because of its high index of refraction and good stability, it is used to produce reduced reflection film

    Ceo _ 2是一種廉價而用途極廣的材料,如用於發光材料、拋光劑、紫外吸收材料、汽車尾氣凈劑、玻璃的退色劑、耐玻璃、永磁體、電子陶瓷等,其納米后將出現一些新的性質及應用,如ceoz納米晶是細胞色素c的良好的催進劑,還用作zro :陶瓷的穩定劑,由於ceo :折率高,穩定性好,常用於制備減反膜等。
  4. 1 ) lay stress on the combination of language training and thinking training, and weave together with the ability of listening, speaking, reading and writing. 2 ) emphasize the comprehensiveness of knowledge, sensibility, competence and understanding. through certain affecting and pleasing to eye ways to inspire thinking and encourage aspiration and cultivate students of wholistic development 3 ) employ diversified methods of teaching and learning and establish a radial communicative teaching model. 4 ) make cll immerge into the daily life in class, main points of language of the course are practiced, while, out of class, the knowledge is extended, broaden, and deepened

    認為絕不能單打一或以偏概全,一是強調語言訓練和思維訓練相結合,聽說讀寫能力貫穿其中;二是強調知情能理的綜合,通過娛目、動情、激思、鼓志等方法全面地發展人;三是教與多種形式的綜合,形成式的教交往模式;四是語文與生活同在,通過課內練在點子上,課外延伸、拓展、深
  5. And l have yet to meet the lowly paid customs official

    我還將集裝箱標識為有
  6. And l have yet to meet the lowly paid customs official.

    我還將集裝箱標識為有
  7. Paleontological studies showed that modern avian groups probably first appeared in the paleocene and experienced an explosive radiation in the early cenozoic

    古生物研究表明,現生鳥類的最早出現是在古新世,而爆發性發生在新生代早期。
  8. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光布洛赫方程,運用介質極理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。
  9. The physical methods include mechanical scarification, low and high temperature, hydration - dehydration, irradiation, high pressure and other physical treatments, and the chemical ones include acid scarification, alkali solution soaking and other organic chemical treatments

    物理方法有機械損傷、低溫和高溫處理、干濕交錯處理、和高壓處理等;方法有酸蝕、堿液浸泡和有機溶劑等處理。
  10. The temperature distribution on the high temperature side of an electric tunnel furnace is analysed and simulated on the basis of the principle of thermal radiation by the way of thb ( thermal heat balance ). the heated silicon carbon sticks are decomposed into innumerable tiny heating faces, which exchange the heat with the heated materials. a numerical model based on the radiation intensity law is constructed to calculate the energy absorbed by the heated materials and simulated by a computer. the results showed that the even distribution of temperature can be obtained by optimizing the arrangement of the silicon carbon sticks according to the calculation results to make the structure design more reasonable. these calculation results have been used in the practical designs and the expected objectives achieved

    利用熱原理,採用熱平衡法對電熱隧道窯的高溫恆溫區溫場進行了分析和模擬.計算中將發熱棒分解為無數微元發熱面與燒結體進行熱交換,依據強度定律,建立了燒結體接收能量的數模型,並用計算機進行了模擬計算.結果表明,依據模擬結果來優硅碳棒的排布,可使結構設計更加合理,進而可以獲得分佈均勻的恆溫區溫場.計算結果已在窯爐設計中應用,實踐效果良好
  11. This paper introduces the latest progress of high level radioactive waste disposal programs in the world, and discusses the key scientific issues as follows : ( 1 ) the precise prediction of the evolution of a repository site ; ( 2 ) the characteristics of deep geological environment ; ( 3 ) the behaviour of deep rock mass, groundwater and engineering material under coupled conditions ( intermediate to high temperatures, geostress, hydraulic, chemical, biological and radiation process, etc ) ; ( 4 ) the geochemical behaviour of transuranic radionuclides with low concentration and its movement with groundwater : and ( 5 ) the safety assessment of disposal system

    在介紹國內外最新研究進展的基礎上,重點討論高放廢物地質處置的若干關鍵科問題:處置庫場址地質演的精確預測、深部地質環境特徵、多場耦合條件下(中(高)溫、地殼應力、水力作用、作用、生物作用和作用等)深部巖體、地下水和工程材料的行為、低濃度超鈾放性核素的地球行為與隨地下水遷移行為及處置系統的安全評價。
  12. In chapter 2, a simplified analytical model is presented for the analysis of the bvi mechanism, adopting the beddoes " prescribed wake model. by this model, the azimuthal location and miss - distance of the bvi and the radiation directivity of the bvi noise are calculated and discussed, and some conclusions are obtained

    在第二章,使用beddoes預定尾跡模型,建立了一個用於旋翼槳-渦干擾特性機理分析的簡模型,分別對旋翼槳-渦干擾位置、槳-渦干擾距離和聲方向性等進行了計算和分析,得出了有意義的結果。
  13. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了:行星、行星形成;恆星、太陽、正常的恆星、恆星形成;恆星演、超新星、緻密天體(白矮星、中子星及黑洞) 、波霎、雙x -線源;星團、球狀及疏散星團;星際介質、氣體、塵埃、磁場、宇宙線;距離階梯;星系、正常及活躍星系、噴流;重力透鏡;大尺度結構;牛頓宇宙、宇宙的動力膨脹及溫度發展歷史;宇宙背景微波;大霹靂核合成。
  14. Firstly it discusses the value, meaning, background and method of this topic. then it deducts the single - bubble sound pressure, spectrum of sound pressure, power spectrum. according to the real situation of traveling bubble cavitation noise around a schiebe body, the mathematical model of single - bubble collapse is selected, furthermore, the mathematical model of mass traveling bubbles without interference effect is established, and the multi - peaks and rebound phenomenon while bubbles collapse is also analyzed with statistical method

    首先論證了本項研究的意義,價值,背景和方法,然後推出了單空泡噪聲聲壓,聲壓譜和功率譜,針對回轉體流動泡空噪聲的具體情況,選擇了雙指數模型作為單空泡潰滅的數模型,進一步建立了無干涉條件下的群泡噪聲的數模型,並用統計的方法分析了空泡潰滅時的多峰值和反彈現象。
  15. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出的基於質點運動原理的單站無源定位理論基礎上,本文第二章提出了幾種在角度測量的基礎上增加角度變率及相對運動的離心加速度等運動參數的單站無源測量模型,並對它們進行了分析和模擬;第三章分別對利用角度及其變率信息定位和利用離心加速度信息定位的可觀測性進行分析並得到了相應的可觀測條件;第四章針對傳統擴展卡爾曼( ekf )方法的缺點,提出了一種修正協方差的擴展卡爾曼濾波( mvefk )方法,並將其和ekf 、 mgekf 、 iekf等常用的單站無源定位濾波方法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤方法和模型,提出了利用角度及其變率對機動源跟蹤的多級噪聲自適應方法和imm方法;第六章主要對角度變率和離心加速度參數的獲取技術進行了研究,提出了幾種高精度測量脈沖序列多普勒頻率變率的方法。
  16. It is, however, the second function of gsh ? that of detoxification of chemical pollutants, carcinogens and ultraviolet radiation ? that may well be of greater concern to medical science today, because of the ever - increasing demand on gsh as the major detoxifying agent

    然而,谷胱甘肽的第二種功能解除污染物質、致癌物質及紫外光的毒害卻因為對其作為主要解毒劑的不斷增加的需求,而使谷胱甘肽受到當今醫更大的關注。
  17. Nuclear energy - measurement of radioactivity in the environment - water - part 3 : measurement of strontium 90 activity in water - radiochemical separation of strontium by extraction with " ethers crown " resin and measurement of beta activity

    核能.環境中性的測量.水.第3部分:水中鍶90放性的測量.通過" ethers crown "樹脂萃取進行鍶的放分離和放性的測量
  18. First, this thesis studied the performance of the image processing system, such as the color principle of ccd camera, the radiation transfer principle of system, geometry optics model of system and so on. then the system hardware frame was established

    首先,本文充分研究了火焰圖像處理系統中彩色ccd的工作原理、色度原理、成像系統的原理、幾何光模型以及數字成像原理,並建立了燃燒可視監控系統的硬體框架。
  19. Standard practices for dissolving glass containing radioactive and mixed waste for chemical and radiochemical analysis

    和放分析用含和混合雜質的溶解玻璃的標準規程
  20. Serial publication i. sorts of fluoro resins and the discovery of polytetrafluoroethylene are introduced. microstructure, macrostructure and dynamical, thermodynamic, radiation and chemical properties are explained

    摘要連載之一。簡介氟樹脂的種類和聚四氟乙烯的發現經過。闡述了聚四氟乙烯的微觀、宏觀結構和力性能。
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