氣體散射 的英文怎麼說

中文拼音 [sǎnshè]
氣體散射 英文
gas scattering
  • : Ⅰ名詞1 (氣體) gas 2 (空氣) air 3 (氣息) breath 4 (自然界冷熱陰晴等現象) weather 5 (氣味...
  • : 體構詞成分。
  • : 散動詞1. (由聚集而分離) break up; disperse 2. (散布) distribute; disseminate; give out 3. (排除) dispel; let out
  • : 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) ...
  • 氣體 : gas; gaseous fluid
  • 散射 : [物理學] [電學] scattering; radio scattering; scatter; dispersion
  1. The most obvious advantage is that because of their inability to scatter appreciably, nebular radio waves completely and genuinely delineate the distribution of nebular gas.

    因為星雲對電波的很小,所以最明顯的優點就是能夠全面而真實地勾畫出星雲分佈的外貌。
  2. The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas

    抗菌纖維具有永久的抗菌性,對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ,能有效抑制細菌繁殖,起到抗菌防臭作用;抗紫外線聚酯纖維的用途也是異常廣泛的,隨著大層中臭氧層的日漸稀薄,日光中的紫外線日益增加,對人皮膚形成極大危害,尤其對于長期從事野外工作的人,因此設法減少紫外線對人的傷害顯得尤為重要;阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維,紡織品阻燃在許多國家已有明確法令規定,我國也逐漸在某些特殊使用范圍做嚴格要求,如車船內用紡織品,高級賓館的內裝飾織物等,而且具持久性阻燃性的纖維和織物是現在更為需要的,真可謂用途非常廣泛;遠紅外纖維也是一種經過物理改性后具有吸收並反遠紅外線的新型功能性纖維,是一種具有優良理療功能、熱效應功能和排濕透抑菌功能的新型紡織材料及保溫材料,能吸收人自身向外發的熱量,吸收並反回人最需要的4 14 m波長的遠紅外線,促進人的新陳代謝;抗紅外線纖維,則在軍事上有著重要的作用。
  3. 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增益介質原子運動的光學布洛赫方程,運用介質極化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模擬軟和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色特性、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輻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。
  4. 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;恆星演化、超新星、緻密天(白矮星、中子星及黑洞) 、波霎、雙x -線源;星團、球狀及疏星團;星際介質、、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;牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史;宇宙背景微波輻;大霹靂核合成。
  5. We also investigated the pathological changes of mouse liver, thymus and cerebrum cortex challenged by so2 inhalation by in vivo tests. we studied the apoptotic induction on mouse spleen cells and cytotoxicity of human embryo lung fibroblasts of so2 derivatives by in vitro tests. in vivo tests of sulfur dioxide inhalation showed : ( 1 ) effects on mouse lung of so2 challenge : we found no significant apoptotic changes induced by so2 inhalation but obvious pathological changes of lung with vacuolating of osmiophilic multilamellar bodies which maybe related with the decrease of surfacant and decrease of microvillus of type ii alveolar cells ; we also found thickening of part of basement lamina between type i alveolar cells and capillary endothelium cells which may inhibit the dispersion of oxygen and contribute to lung dysfunction

    二氧化硫熏染毒的內實驗結果表明,在本次實驗的濃度范圍內( 56mg m ~ 3 、 112mg m ~ 3 、 168mg m ~ 3低、中、高三個濃度) : ( 1 )通過透電鏡、 dna凝膠電泳分析和流式細胞分析發現二氧化硫吸入染毒一周對小鼠肺臟沒有明顯的凋亡誘導作用,但通過透電鏡觀察發現二氧化硫可引起肺臟明顯的超微結構改變,引起型肺泡上皮細胞板層空泡化,微絨毛減少,線粒緻密化或腫脹變性;肺泡血管內皮細胞和型肺泡上皮細胞之間基膜增厚,使氧功能出現障礙,從而降低肺功能。
  6. Our next - generation high - resolution spectrometer is a novel combination of optics and electronics that is ideal for applications such as characterizing lasers, measuring gas absorbance, and determining atomic emission lines

    我們下一代高解析度分光計,是一種新的光學和電子學器件的組合,對在激光特徵分析,測量吸光率和確定原子線等領域的應用很理想。
  7. Sample method for scatter angle of electron collision in gas discharge

    放電中電子碰撞角的抽樣方法
  8. The macroscopic defects such as twins, small - cracking, scattering particles, growth layer and cores are examined ; they are related with the temperature difference between gas and melt : the twins and small - cracking come out when the difference is large, the bubbles and scattering particles come out when that is small

    觀察到了孿晶、裂隙、雲層、生長層和核心等宏觀缺陷,晶的這些宏觀缺陷與- -液界面溫差有較大關系:溫差大容易造成孿晶、裂隙等缺陷;溫差小容易造成泡、顆粒等缺陷。
  9. We recommend an overcoat if your application involves liquids, as well as those that involve changing from gases to liquids, as scattering effects could result in the sensor losing calibration

    如果你在液中或涉及從態到液態的變化的情況使用,由於效應能夠使傳感器丟失刻度,我們推薦一種保護塗層。
  10. Analysis of multi - body multi - dispersion model for bubble screen

    水中泡幕的多多次聲模型分析
  11. A typical bistatic weather radar net work is comprised of one traditional transmitter - receiver radar and one or more passive non - transmitting radar receiver at remote site. this type of multiple radar network offers unique advantages when compared to traditional radar net work. this paper introduces the concepts and principles of bistatic weather radar network and analyses, simulates, calculates the basic concepts of effective scattering particle volume relative to the receiver of bistatic radar network, the doppler shifts of the received signals, gives the formula to conduct the three dimensions wind field

    本文從原理上分析了雙基地天多普勒雷達的構建、基本幾何關系、有效積及其與雙基地角的關系,有效積和目標與雙基地天多普勒雷達主站發機的距離的變化關系,指出雙基地天多普勒雷達有效積和單基地雷達有效照積隨之距離的變化有相似之處,但是由於收發分置的幾何結構,雙基地天多普勒雷達的性質與雙基地大多普勒雷達的角有著密切的關系。
  12. First in this paper, we review the development of radar signal processing and cfar detector, analyse the structure and principle of the signal processor, ca - cfar and os - cfar detectors. then, in view of the characteristic of prc cw signal, analyses the statistics characteristic of scattering bodies, models of target, noise, ground - clutter and weather - clutter are made. these lay a theoretic foundation of signal processing and cfar detector

    然後,本文針對x波段偽隨機m序列相位編碼連續波信號制,分析了各種的統計特性,對雷達目標及檢測背景噪聲(熱噪聲、地雜波和象雜波)進行了理論分析和統計檢驗,建立了目標及檢測背景的目標模型,確立了信號處理和恆虛警檢測的理論基礎。
  13. The article describes a procedure to design a masking aerosol with good ir scattering characteristics

    摘要介紹了一種具有良好紅外性能的的優化設計過程。
  14. Clk - proliferation cyclone applicable to the collection of non - fiber drying of granular dust is the main characteristics of a conical dongshen, thus reducing the dust since the dongshen gas exports to the centre to short - circuit the possibility and install a conical reflector screen to prevent the two air separation will have to roll up the dust down, brought out by the increased flow, thereby enhancing the efficiency of dust

    Clk擴式旋風除塵器,適用於捕集乾燥的非纖維性的顆粒狀粉塵,主要特點是筒身呈圓錐形,因而減少了含塵自筒身中心短路到出口去的可能性,並裝有圓錐形的反屏,防止兩次流將已經分離下來的粉塵重新捲起,被上升流帶出,因而提高了除塵效率。
  15. In the end, the theory of fractal geometry is applied to the waves propagation and scattering in atmospheric turbulence, and the first and second order moments of the scattering fields are derived by considering the effects of the fractal atmospheric turbulence. the normalized back - scattering radar cross section of a perfectly conducting disk is calculated. the influence of fractal dimension of atmospheric turbulence on the radar cross section is analyzed

    本文最後將分形理論引入到湍流大中的波傳播和領域,導出了分形大湍流中光滑導目標場的一階矩和二階矩,以光滑導圓盤為例研究了湍流大的分維對導目標後向截面的影響。
  16. Gas analysis by absorption of a non dispersive infra - red radiation beam

    用不分紅外線束吸收的分析法
  17. In this paper, an integrated calculate method including three - dimensional configuration design, aerodynamic analysis, and computation of radar cross section ( rcs ) is researched

    本文對與導彈總設計密切相關的三維幾何造型、動性能與雷達特性的一化計算作了相關研究。
  18. Test method for energy dispersive x - ray spectrometer analysis of metallic surface condition for gas distribution system components

    分配系統元部件用金屬表面狀態的能量分x線分光光譜分析試驗法
  19. Silicone is recommended for applications involving liquids as well as those involving changing from gases to liquids, as scattering effects could result in the sensor losing calibration

    由於影響可能造成傳感器丟失刻度,在液環境或從到液變化的環境中推薦使用硅橡膠。
  20. Non - dispersive infrared gas analyzer

    型紅外分析儀
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