束直徑 的英文怎麼說

中文拼音 [shùzhíjìng]
束直徑 英文
beam diameter
  • : Ⅰ動詞1 (捆; 系) bind; tie 2 (控制; 約束)control; restrain Ⅱ量詞(用於捆在一起的東西) bundle;...
  • : Ⅰ形容詞1 (成直線的; 硬挺的) straight; stiff 2 (跟地面垂直的; 從上到下的; 從前到后的) erect; v...
  • : Ⅰ名詞1 (狹窄的道路; 小路) footpath; path; track 2 (達到目的的方法) way; means 3 (直徑的簡稱...
  • 直徑 : diameter; diam
  1. The optical near - field distribution and propagation properties of solid immersion lens system are analyzed in detail when illuminated by linearly polarized focusing gauss beam. the change of the optical intensity and beam dimension at the bottom of solid immersion lens with different refractive index and different distance are discussed. the simulated results reveal that the higher the refractive index is, the stronger the optical intensity and the smaller the beam dimension at the bottom of the solid immersion lens will be

    編制了對固體浸沒透鏡近場超高密度光存儲系統進行模擬的二維時域有限差分程序,實現了對固體浸沒透鏡光存儲系統的數值模擬;著重研究了線偏振的高斯光通過固體浸沒透鏡的光傳輸和近場光場分佈特性;分析了固體浸沒透鏡底面出射光強、光斑隨固體浸沒透鏡折射率的變化、光透過固體浸沒透鏡后的強度、光斑隨離開固體浸沒透鏡底面距離的變化。
  2. The results showed that the fine structure of the photoreceptor, the diameter of rhabdom, the dimension of perirhabdom vacuole, the number of pinocytotic vesicle below the microsvilli, the location of pigment granules, the emergence of lamellar bodies and lysosomes in cytoplasm, were different in light and dark adaptation

    結果顯示在感桿、膜下瀦泡囊的體積、微纖毛基部的胞飲泡數量、色素顆粒的位置以及有無脂滴、板膜體和溶酶體等細胞器方面,光適應和暗適應的光感受器有著明顯的差異。
  3. We used four different wavelength light including red light ( 750nm ), yellow light ( 580nm ), green light ( 560nm ), blue light ( 400nm ) to stimulate four different groups compound eyes. then the ultrastructures of the compound eyes of each group were observed under electron microscope. the results showed the fine structure of the photoreceptor, the diameter of rhabdom, the dimension of perirhabdom vacuole, the number of pinocytotic vesicle below the microsvilli, the location of pigment granules, the emergence of lamellar bodies and lysosomes in cytoplasm, were different in different light adaptation

    二、不同光照條件下復眼超微結構的變化三疣梭子蟹經過12h暗適應后,在不同波長的紅光( 750nm ) ,黃光( 580nm ) ,綠光( 560nm ) ,藍光( 400nm )照射下,其光感受器的小網膜細胞和感桿的形態和超微結構呈現較大的區別,感桿的形態、細胞內的胞器隨不同波長光的適應而發生變化,在紅光下感桿束直徑最大,微絨毛排列整齊,在藍光下感桿束直徑最小,微絨毛最凌亂。
  4. The shadow mask is the critical component of the colour picture tube and the important component for the choice of colour, its function concentrates on the limitation of electronics bound diameter and the screening direction, the electronics bound which is sent by the electronics gun goes scanning, during the scanning process, we should guarantee every bound gathering into the small holes situated on the screen, then these bounds will point to the regularized position through the small holes on the flat mask, and then three basic colours will be produced, at the same time, those useless electronics will be blocked by the mask board

    平板蔭罩是彩色顯像管的關鍵部件之一,是一個重要選色元件,其作用是限制電子束直徑和上屏方向,由電子槍發射的電子在偏轉磁場的作用下進行掃描,掃描過程中必須使每個電子只能射中熒光屏上的為該指定的那些小孔上會聚,並通過蔭罩上諸多的小孔分別打到各自對應的熒光質點上,發出三種基色(紅,綠,藍) ,而無用的電子則被蔭罩板截獲。
  5. Based on the theory of geometrical optics, the relationship between the axial force exerted on the micro - sphere particles in the mie scattering field and the main parameters of laser is calculated quantitatively when the absorption is considered. the results not only show the relationship between the axial force and some parameters, that include the absorption coefficient of microscopic particles, the laser wave - length, power and so on, but also are useful for choosing parameters in experiments

    摘要以射線光學模型為基礎,對微粒遠大於激光微的米氏粒子在考慮對光的吸收時軸向力與光源參數的關系進行了計算,計算結果給出了軸向力與微粒的吸收系數、波長、激光功率等參數的關系,為實驗中參數的選擇提供了依據。
  6. At first, modeling of these divvies by rate equations to obtain expressions for threshold and slope efficiency is given. on the case of this theory, the large numbers of literatures and datum are consulted, and the laser is home studied. through rationally selecting and improving the reflector surface, ensuring the beam quality, increasing farthest the absorption path, and improving effective pumping frequency ; through designing the water cooler of yag bar, the volume of laser is half the same internal and international production, and the output power is get to the extremum of the same international production

    並在此基礎上查閱了大量文獻和資料,對該種激光器進行了深入的研究,通過對yag棒的合理選取併合理地改進反射鏡面,從而既保證了光質量又最大限度的增加了吸收長度,有效的提高了泵浦效率;在不影響泵浦的前提下,通過有效縮短yag棒的長度減小輸出損耗;對yag棒的水冷系統進行優化結構設計,使激光器體積減小到國外同類產品體積的一半,而輸出功率已達到國外同類產品的極限值。
  7. On the basis of theories of physics, geometrical optics and photometry, the optical properties of collimated light beam incident upon single fiber perpendicular to the fiber axis are studied. by exploring the behaviors of reflected light and transmitted light from single fiber, the distribution of the light is described and the proportionalities between the intensity of the reflected, transmitted and scatered light are obtained respectively, and the different laws governing the intensity of diffused light and transmitted light from single fiber between near and far field are discussed. experiments demonstrate that the decrease of projecting light in far field is in direct proportion for the increase of fiber diameter, which serves as the theoretical basis for a series optics equations, as well as for the designment for photoelectric deviccs for detecting fibers

    結合物理學的基本原理和幾何光學的基本規律以及光度學的基礎理論等三方面,研究了單纖維在平行均勻光垂軸入射時的光學性質.分析了單纖維反光和透光的特徵,光強分佈及反射光、透射光和散射光的相對大小;討論了在近場和遠場條件下,漫反射光和透射光光強的不同規律;通過實驗驗證了遠場時,纖維的漫射光強度與纖維成正比的關系
  8. The influence of adjusting the laser spot size at the target on the growth of a - c was analyzed in charter iv, and a suit spot size was found

    第四章研究了激光聚焦對非晶碳膜生長的影響,並找到了合適的激光束直徑
  9. Testing method of beam diameter of laser radiation

    激光輻射光束直徑測試方法
  10. As a rule of thumb, the minimum device feature is about 4 times the beam diameter.

    一般來說,最小器件圖形大約是電子束直徑的4倍。
  11. The results indicated that ( 1 ) " longxianhuosuan " presented more regular and more densely - arranged epidermal cells in its scapes than " gailiangsuan " ; ( 2 ) " longxianhuosuan " showed a lower stomata number but a larger stomatal aperture in its scape surface than " gailiangsuan " ; its scapes had a great number of secretory cells, which had a larger size and appeared earlier ; its scapes presented a smaller number of vascular bundles with smaller diameters ( 3 ) " longxianhuosuan " had polygonal cells in its scape pith with their intercellular space occupying a small proportion while " gailiangsuan " showed elliptical cells in its scape pith with their intercellular space occupying a high proportion

    結果表明: ( 1 ) 「隴縣火蒜」比「改良蒜」蒜薹的表皮細胞形狀規則,排列緻密;角質層較薄; ( 2 ) 「隴縣火蒜」比「改良蒜」蒜薹表面的氣孔數量少,但開張度大;分泌細胞出現早、體積大、數量多;維管數量少、小; ( 3 ) 「隴縣火蒜」蒜薹髓細胞衛多邊形,髓細胞間隙率小,而「改良蒜」蒜薹的髓細胞呈橢圓形,髓細胞間隙率大。
  12. With the increasing light adaptive time, the length of rhabdom trended to be longer and proximal pigment trended to spread more widely, but the variation was smaller in full bright light and short wave ( blue ) light conditions than that in long wave ( red ) light condition

    藍光照條件下感桿束直徑和長度變化與全光照相似,但近端色素的伸展幅度以藍光下條件最大,紅光次之,均大於全(色)光照條件。復眼結構對短波光(藍光)的敏感性高於長波光(紅光) 。
  13. Under our task experimental condition, we calculated the sensitivity of our planning to develop dial system with direct detection, besides, we studied the relationship between the sensitivity of measurement and atmospheric refractive - index structure constant and applied matlab program simulated the system parameters such as beam diameter, laser divergence angle, detection distance and gained relevant relationship curves

    在課題實驗條件下,模擬計算了接檢測dial系統的測量靈敏度。在考慮大氣折射率結構常數對系統測量靈敏度影響的基礎上,並對各種系統參數如光散角和探測距離對測量靈敏度的影響運用matlab程序做了模擬計算,為合理選擇系統設計參數提供了依據。
  14. ( 3 ) we explore photorefractive screening solitons and characters of beam transmission in sbn : 61 : cr crystals. the dependence of beam diameter at the crystal output face on applied field is presented. and influences of the limiting space charge field of the crystals on the experimental results are analyzed

    ( 3 )初步研究了兩塊不同摻cr濃度的sbn 61 cr晶體中的屏蔽型空間孤子效應,以及不同外加流電場作用下光在晶體中的傳輸,給出了晶體出射表面處光斑隨外電場的變化曲線,並分析了晶體中空間電荷場的飽和效應對實驗結果的影響。
  15. In order to break through the traditional technology and the conception of equipment design, suggest to use bunchy phase deep hole or big diameter deep hole in laneway to realize the exploding of high step on opencast working ; digging with big contain forklift to realize the continuous transportation of dragline - mobile convolution crusher - belt transportation machine, therefore form a new technology system that be propitious to increase collectivity technique and economic benefit

    為突破基於常規工藝和設備配套的設計理念,推薦採用狀階段深孔或在巷道中採用大深孔的方法實現露天開採的高臺階穿爆作業;採用大斗容索鏟下挖作業實現自工作面開始的索斗鏟移動式旋迴破碎機帶式輸送機的連續運輸工藝,從而形成有利於提高露天開采設計總體技術經濟效果的新的工藝技術系統。
  16. Just under 3 feet in diameter and weighing 45 pounds, the black circular device emits an intense 15 - to 30 - degree - wide acoustic beam - - a high - pitched shrill tone similar to a smoke detector alarm - - that can easily cause permanent auditory damage at close range

    僅僅在3尺之下在中的秤重45磅,黑色的圓形裝置發出強烈的15 -達到30程度-寬的聽覺光線- -一尖銳的尖銳聲音明暗相似的對煙發現者警報- -那能容易地因素燙發聽眾席損害在結范圍。
  17. During light adaptat ion the arrangement of microvillus in the rhabdom was in disorder, and the diameter of rhabdom was reduced. at the same adaptation the area of the perirhabdomal vacuole was reduced and the number of the multi vesicular body was increased. besides that the d i str i but i on and the amount of the p i gment granule, the lamellar body were influenced by light adaptation

    光適應時感桿的微纖毛的平均膨大,排列零亂,感桿的平均減小;膜下儲泡囊平均減小;小網膜的細胞質中胞飲泡和小囊泡數量較多;多囊體的平均減小,數量較少;板膜體較少,色素顆粒多,分佈於細胞的各個層面。
  18. When a larger waist w of the incident gaussian beam and a shorter focal length / of the lens are chosen, we can obtain an extremely - small dark spot size of the focused hollow beam, even approach the diffraction limit

    當選擇較大的入射準高斯光腰w _ 0和較短的薄透鏡焦距f時,可以在焦平面上產生一個很小的dss (或r _ 0 ) ,甚至可以接近衍射極限。
  19. 3. because traditional coupling system composed with cylinder lens and focus lens has the disadvantages of difficult to encapsulation and modulate, a new practical method brings forward : the output light from laser diode is collimated using a section of optical fiber with the diameter of 600 m instead of cylinder lens, and a sphere ? end lens

    3 .針對由柱透鏡和聚焦透鏡組成的組合透鏡耦合系統中存在的封裝和調試困難等問題,提出了:用一段為600 m的裸石英光纖代替柱透鏡,對半導體激光器輸出光進行準整形;用球透鏡光纖對準后的光進行聚焦,接實現和光纖耦合,來代替聚焦透鏡和光纖耦合的環節。
  20. The aim of this study is to investigate theoretically the possibility for activation of small mammalian myelinated nerve fibers without activating larger ones when stimulating a nerve fiber bundle with a monopolar point electrode using biphasic pulses, which can reduce the electrochemical damage resulted from stimulation pulses to nerve fibers. a simulation system for studying the electrical properties of mammalian myelinated nerve fibers was built based on a simple infinite and homogeneous volume conductor model. by use of an asymmetric but charge - balanced stimulation waveform, the sensitivity of excitation and blocking threshold of nerve fibers to fiber diameter, electrode - fiber distance was calculated. the results show that selective activation of small mammalian myelinated fibers may be possible in a region at some distance from the electrode using biphasic pulses

    本研究的目的是要從理論上探討利用單電極雙向脈沖刺激實現哺乳動物神經纖維選擇性刺激, (即當刺激一神經時,不興奮粗神經而興奮細神經)的可能性.雙向脈沖刺激可以降低刺激脈沖對神經纖維產生的電化學損傷.為研究哺乳動物有髓神經纖維的電特性,建立了一個基於簡單的無窮大、各向同性的容積導體模型的模擬系統.利用該模擬系統,採用「不對稱但電荷平衡」的雙向脈沖刺激,計算了神經纖維的興奮和阻斷閾值與纖維、纖維-電極間距離的關系.結果表明:在距電極一定距離內採用該雙向脈沖刺激模式確實可以實現哺乳動物有髓神經纖維的選擇性興奮
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