鏡徑 的英文怎麼說
中文拼音 [jìngjìng]
鏡徑
英文
aperture-
Not only the neurons but also the as in the rat brain play a very important role in the process of the peripheral nociceptive stimulation ; ? he newly - found eda may be the functional intercommunication ultrastructure between neurons and as, through which the as could modulate the neurons in the pain signal processing ; @ as might play an active and important role for modulation of pain through a new pathway from the peripheral afferent nerve to the as, then to neurons via electron - dense areas forming the glia - neuron s ignaling network
光、電鏡水平發現as與神經元之間有多種途徑進行信息交流,新發現的eda有可能是神經元與as之間信息交流的結構之一。阻斷as與神經元間信息交流連接后,前者對外周組織4第四軍醫大學博士學位論文損傷所致疼痛的反應不受影響,而後者的反應明顯受到抑制,提示在非病理性疼痛反應中,膠質細胞對神經元具有主動調控作用。The optical manufacturing for off - axis aspheric mirrors has become increasingly challenging for two reasons. the mirrors, in addition to being larger, are more aspheric and off - axis in order to meet the requirement of next generation space camera, which is commonly configured as three - mirror - anastigmat ( tma ) to get both wide fov and high resolution, and the required accuracy is more stringent
近年來,人們提出了「離軸三反消像散」 ( tma )結構來滿足下一代空間相機「詳查」和「寬覆蓋」的技術要求,該結構中要求使用三塊離軸非球面反射鏡,而大口徑、高精度離軸非球面反射鏡的製造技術是研製tma結構空間相機的主要技術瓶頸之一。These ideas explain why high numerical aperture, apochromatic lenses can separate extremely small details in blue light
這就是在使用大數值孔徑復消色差物鏡時用藍光照明可獲得超級解析度的原因。A conc1usion can be drawn that these algorithms has better preci si on and fitting for the multi - - beam swath bathymeter system better on the condition of 1arge beam ang1e, and can improve the precision of edge beams in non - - specu1ar seabed region
證明bdi和分裂孔徑相關法可以精確地對海底回波信號進行回波時延估計和方向估計,可提高非鏡向海底區域的邊緣波束的測量精度。The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed
因此,本論文重點對大口徑光學系統在高精度光學鏡頭裝校中,因重力變形進行了詳細的分析研究,特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力變形分析,使用algor有限元分析軟體獲得了大量的面形誤差分析數據,然後將這些數據繪成曲線進行對比分析,最後提出了減小重力變形的措施與方案,並進行了實驗,驗證了分析結果是正確的,減小重力變形的方法是有效的。The size of the particles disperses uniform as well as narrow ( obtained by reverse micelle method in the system of aot / iso - octane / water and trion x - 100 / caprylic alcohol / cyclohexane / water )
通過透射電子顯微鏡觀測到兩種體系合成出的粒子粒徑在5nm左右,且粒子呈單分散,粒徑分佈均勻。We can see from the photos of the sem that the diameters of the powers of this tree land of materials obtained by the system of trion x - 100 / caprylic alcohol / cyclohexane / water are about 20 nm. by means of uv - vis, atomic absorption spectrometry and so on, nanoparticles of this three kind of anode materials are synthesized
利用trionx - 100 /正辛醇/環己烷/水反膠束體系制備出三種物質的粉體,掃描電子顯微鏡照片顯示粒子的粒徑在20nm左右,分佈均勻;此外還利用uv - vis 、原子吸收光譜等測試手段,都表明合成出了三種正極材料的納米粒子。The primary mirror is 80 cm in diameter, a respectable size even for an observatory on the ground.
主鏡的直徑為80厘米,這一口徑即使在地面天文臺也是很可觀的。This paper analyses the coupling wastage in columniform wave guide gas laser, and gives the function between the coupling wastage of laser guide modulo eh11 and the position and radius of reflector
摘要分析了圓柱形波導氣體激光器中的耦合損耗,給出了最低階波導模eh11的耦合損耗與反射鏡位置、曲率半徑的函數關系。The diameter of a sphere is four times the focal length of a concave mirror cut from it
凹面鏡如果是從圓球上切下來的,圓球的直徑會是凹面鏡焦距的四倍。This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal
本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析,理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。Each telescope would be 100 meters in diameter.
每個望遠鏡的直徑為100米。The emulsoid particle size and its distribution were determined by laser particle sizer. the composition changes of acr were inspected by ir, and the core - shell structure was observed by tem. the morphologyes of acr resin particles were inspected by polarization microscope at last
通過激光粒度分析儀對所合成的乳膠粒徑及其分佈進行了分析測試,藉助于ir考察了所合成的acr的組成變化,並通過透射電鏡對所合成的acr的核殼結構進行了驗證,最後藉助于偏光顯微鏡觀察了破乳乾燥后得到的acr粒子。By adopting x - ray diffraction and transmission electron microscope ( tem ), this thesis has insepectd the size and the structure of the calcium carbonate ( caco3 ) particles. according to hydrophile and lipophile balance ( hlb ), the suitable surface - active agents have been selected and put into lubricating oil with nanometer caco3 particles
本文採用x射線衍射儀和透射電鏡檢驗了納米碳酸鈣粒子的粒徑和內部結構,根據親水親油平衡值( hlb ) ,選擇合適的表面活性劑將其加入到含有納米碳酸鈣粒子的潤滑油中進行表面改性。The feasibility and some advantages of employment of sil have been discussed. the numerical aperture are calculated when laser pulse is defocusing. in contrast with traditional microscopy objective, the employment of solid immersion lens can effectively increase the numerical aperture of the recording system ; thereby it can increase the volumetric density and decrease the demand of the incident laser power
當脈沖聚焦點相對于固體浸沒透鏡底面離焦時,對系統的有效數值孔徑進行了計算,結果表明採用固體浸沒透鏡離焦的方式進行記錄,系統的有效數值孔徑最低可增大到固體浸沒透鏡插入前的折射率倍,其數值孔徑的理論極限值為存儲介質的折射率。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束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、光斑直徑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、光斑直徑隨離開固體浸沒透鏡底面距離的變化。Light microscopes - diameter of interchangeable eyepieces
光顯微鏡.可更換目鏡的直徑Regarding groundbased observation, the largest optical telescopes to date are the twin 10 - m keck telescopes on mauna kea of hawaii
位於夏威夷蒙那基亞山上的卻克望遠鏡,口徑達10米,是目前世上最大的光學望遠鏡。Minute hardness testing systems, hardness meters vickers, rockwell, shore, metalloscopes, magnetic detectors, demagnetizers, metallographic inspection devices, surface roughness meters, electrical micrometers, air micrometers, mu meters, electrical converters, bore micrometers, cylindrical gauges, block gauges, eccentricity meters, precision bases, others
微小硬度系統硬度計維克斯洛氏邵氏金屬顯微鏡磁力探測機脫磁機金屬組織檢查裝置表面粗糙測定器電微型壓力機空氣微型壓力機微米表電轉換器鏜孔微型壓力機缸徑規塊規偏芯測定器精密加工臺等等。Two astronomers at the university of british columbia observed the subaru deep field heros with the submillimetre scuba camera at the james clerk maxwell telescope a 15 metre aperture radio telescope, also on mauna kea
加拿大英屬哥倫比亞大學兩位天文學家,亦利用同樣位於莫納克亞山上的麥克斯偉望遠鏡james clerk maxwell telescope ,口徑15米的亞毫米波段射電望遠鏡,對從sdf中所發現的四個hero進行觀測。分享友人