採光孔 的英文怎麼說
中文拼音 [cǎiguāngkǒng]
採光孔
英文
funnel-
The silicon plates are formed reverse four wimble array in koh solution by wet - etching technology. then the electrochemical etching experiments are done in three poles electrobath. and some technology questions such as heat oxygenation, light etching, wet etching and electrochemical etching have been analyzed. at the same time sample appearances are analyzed by scanning electron microscope. according to current burst model theory, the electrochemical deep holes etching mechanism are analyzed
在三極電解槽中,進行了電化學深刻蝕的探索性實驗。對氧化、光刻、濕法刻蝕和電化學刻蝕中的工藝問題進行了初步的理論和實驗研究,同時,採用sem對實驗樣品進行了形貌分析,並採用電流突破模型對電化學深孔刻蝕機理進行了理論分析。The technology is remote distance and no osculant measurement, and the measure instrument can be real time control by pc. the system adopts an optical system equipped pritchard hole reflector. it can provide efficiently optical channel, and it can aim at the distant object and measure brightness and color precise
本系統採用了裝備有帶孔反射鏡的望遠光學系統,能夠對遠處的測試目標進行亮度與顏色的精確瞄準測量,同時可方便的改變視場角的大小。The structure and the optical functions of porous anodic films were studied by xrd, sem and spectro - photometrical means
摘要採用x射線衍射、掃描電鏡( sem )和光譜分析等測試技術,研究了多孔氧化鋁介質膜的組成、結構以及光功能特性。The author mainly anticipates the task including the simulation of eye fundus imaging and image mosaic. on the base of the dr principle and ophthalmic phototropism study, the author analyze and contrast new fundus camera system with traditional fundus camera. the author will establish the eyeball model with 3ds max technology, imitate the simple eyeball dioptre system and simulate the narrow - angle imaging to ensure the rationality and authenticity of fundus image, which solves the object origin of later image process, then fast mosaics the nine piece of fundus images with the help of the image registration theory and acquire a piece of wide - view fundus image containing more information, thereby provides doctor with enough diagnostic detail, which solves the problem of narrow view
作者在熟悉糖尿病性視網膜病變原理和眼科屈光學的基礎上,進一步研究分析了新型免散瞳眼底照相系統和傳統眼底照相機原理和區別,擬採用3dsmax建立三維眼球模型,模擬眼球屈光系統,模擬眼底照相系統的小角度拍攝,使獲取的眼底圖像合理真實,解決後期系統圖像分析處理的對象來源問題;然後運用醫學圖像配準理論對模擬獲取到的九幅小角度眼底圖像進行快速拼接,拼成一幅大角度的眼底圖像,解決小瞳孔拍攝圖像視角太小的問題;最後通過對眼底圖像配準演算法在相似性測度和搜索演算法的比較,找到一種適合眼底照相系統的眼底圖像拼接的快速演算法。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輻射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。The system measures photosynthesis rate by using infrared co2 gas analyze method. it has two work modes : open route and close route. it can measure the leaf photosynthesis rate, transpiration rate, stomata conductance and co2 thickness in cell clearance etc parameters about plant physiology
本文研究設計了測定光合、蒸騰速率的主從式虛擬儀器系統,系統採用紅外線分析法測定光合速率,設置有開路和閉路兩種測定方式,可以測量植物葉片的光合速率、蒸騰速率、氣孔導度和細胞間隙co _ 2濃度等與植物光合作用相關的參數。We selected styrene as monomer, diethylene glycol dimethacrylate as cross - linking agent. the copolymerization technique was used in preparing the probe. the ph fluorescent indicator was immobilized in the probe as the sensitive element
我們選擇苯乙烯為聚合單體,雙甲基丙烯酸一縮二乙二醇酯為交聯劑,採用交聯共聚技術制備氨多孔塑料傳感探頭,並將ph熒光指示劑固定於共聚體中作為氨的敏感元素。In the second part, we studied the plastic porous probe for ammonia measurement, which was made by methyl methylacrylate. we selected methyl methylacryte ( mma ) as the monomer, diethylene glycol dimethacrylate ( dgdm ) as cross - linking agent and toluene as the inert solvent. the probe was prepared by a copolymerization technique
第二部分為以甲基丙烯酸甲酯為單體的多孔塑料光纖傳感探頭的研究,在這一部分里,我們以甲基丙烯酸甲酯為單體,雙甲基丙烯酸一縮二乙二醇酯為交聯劑,以甲苯為致孔劑,採用交聯共聚技術制備氨多孔塑料光纖傳感探頭,並將ph熒光指示劑藻紅固定於共聚體中。In the experiment, we use the he - ne laser and the semiconductor laser as the source, record the bessel beam patterns behind the axicon by using a digital camera and a microscope, measure the radius of the bessel beam central spot by film - scanning and measure the effect of both the radius of the aperture and the open angle of the axicon on the maximum non - diffraction distance. the experiments show that a specific propagating range has constant power and the beam has a bessel - like distribution in this range. the results agree with the beam corresponding to a diffraction free beam
同時我們還採用膠片掃描的方法測量了無衍射光束的中心光斑尺寸,測量了不同光闌孔徑和不同稜角情況下的最大無衍射距離和傳播軸附近橫截面內微小光孔中的光強,實驗結果顯示當激光光束經過軸棱錐轉換後有一段距離功率變化很小,且分佈近似貝塞爾分佈,符合無衍射光束的特性;經過聚焦后,呈現三維分佈中空的光束bottlebeam ,實驗結果與理論分析基本吻合。A simple and effective method is given to successfully simulate circular and different serrate type aperture ' s far - field diffraction and compared with the diffraction of hard - edged circular apertures
摘要採用一種簡單有效的方法,模擬了光束經圓形孔徑和不同齒形光闌的遠場衍射分佈,並與經圓孔硬邊光闌的衍射作了比較。Rosehip lavender clivers heartsease cedarwood hazelnut carrot pumpkin seeds the high active levels of vitamin c anti - oxidants in this rub - off mask create an immediate visible difference to skin. helps reduce the appearance of age lines and leaves a glowing, fresh complexion
成份:玫瑰果、薰衣草、拉拉藤屬植物( clivers ) 、三色堇( heartsease ) 、雪松、榛實、胡蘿卜、南瓜籽此擦掉式面膜( rub - off mask )蘊含豐富活躍抗氧化維他命c ,能減淡細紋,收細毛孔,令肌膚回復光澤光採,效果立見。Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
在第三章介紹無線光接入系統的光收發單元,採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用,針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術,同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標,最後給出了一個整個傳送鏈路的功率預算。This paper describes a new method to select these parameters, including to determine the focus length, relative aperture and field of view of new optical system in design by means of making reference to previous star sensors and their optical systems ; to forecast the acquiring probobility of star sensor in accordance with selected param eters ; to determine the principal design wavelength and spectral coverage by means of integrat ing the spectrum of stars
本文介紹一種確定光學系統參數的新方法,包括通過參考比較已有星敏感器及其光學系統特性來選取新光學系統焦距、相對孔徑和視場;根據所選取的參數預計星敏感器的捕獲概率;採用綜合恆星光譜方法確定光學系統中心波長和光譜范圍。Based on certain theoretical analysis and toward thick recast layers and flaw ’ problem in laser drilling, adopting high power and high quantity laser carry experimental research
並在理論分析的基礎上以及針對激光打孔中出現的再鑄層和微裂紋等問題,採用研製的具有切割功能的高功率高光束質量的激光器,進行了激光打孔的實驗研究。Precise filter of titanjum rod micro hole, manufactured by our company, adopt 304 stianless steel to make. its structure character is quick open means of anchorear type, retation ; conform to the requirment of quickly replacing filter core ; all series product adopt surface polish treatment, electrolyte polish treatment
我公司生產的鈦棒微孔、精密過濾器採用304不銹鋼製造,採用抱箍型、旋轉型快開放式,滿足快速更換濾芯的要求,表面採用拋光處理,電解拋光處理等各類系列產品。The method of beam track is introduced to briefly analyze the light - heat property of the surface porous metal plate, and a condideration to adopt the surface porous plate to replace flat plate as the collecting heat plate is proposed
作者通過光線跟蹤法多孔板的光熱性能作了簡單的分析,並設想採用表面多孔金屬板代替光滑板作為太陽能集熱器吸熱板芯。Moreover, a photometric pco2 determination method, based on the combination of membrane separation of hydrophobic microporous ptfe and the flow injection technique, is established
另外,將膜分離技術與流動注射分析相結合,採用聚四氟乙烯疏水性微孔膜,建立了海水中pco _ 2流通式光度測定方法。The optical and electrical properties of the composites of porous silicon / alumina and organic luminescence materials ( pvk, alqs, dbo - ppv ) were also discussed. the pl spectrum of the composite of porous silicon and pvk showed the peak that belonged not only to porous silicon but also to pvk. at the same time, a new peak was found locating at x = 485nm
研究發現,多孔硅pvk復合體系的pl譜兼具有多孔硅和pvk的發光峰,同時在485nm的位置出現了一個新的峰,同時,採用不同的激發波長可以獲得不同的pl譜峰型,這可以從多孔硅和pvk的激發譜中得到解釋。This thesis work has researched the fabrication technics of photonic crystal defect waveguide with air - bridge structure and collecting waveguide ; suggested using uv - lithography and wet etching to fabricate traditional waveguide, after that, using eb - lithography and dry etching to fabricate photonic crystal holes, so can reduce the fabrication cost by a big range ; designed the moulding board, which can fabricate the air - bridge structure and is convenient for recognizing position in eb - lithography ; the structure consisted of traditional waveguides and etching grooves are fabricated on soi successfully, then an successful eb - lithography is realized on the structure, the defect waveguide collected with the traditional waveguide quite well ; used the etching grooves to do the sacrificial layer etching experiment, which grounded etching sacrificial layer by photonic crystal holes in next step
提出採用紫外光刻工藝製作傳統波導結構之後,通過電子束曝光和干法刻蝕製作光子晶體小孔的工藝方案,大幅度減低了製作成本;設計出可形成空氣橋結構、並且適用於電子束曝光位置識別的光刻模板,在soi材料上成功製作出帶有空氣橋刻蝕預留槽以及接續光波導的結構,在該結構上成功實現了光子晶體帶隙波導的電子束曝光,帶隙波導與接續光波導位置接續良好;最後利用預留槽進行了刻蝕犧牲層的實驗,為下一步利用光子晶體小孔刻蝕犧牲層形成空氣橋結構打下了基礎。The wind magnitude and wind pressure can be easily adjusted in a wide range with a displaying device avilable. a well - illuminated air suction hood is equipped, which ensures clear observation of the movement of materials. besides, on both sides of the screen there are four holes available that make cleaning easy. the inclination angle of screen can be adjusted within a scope of 7 - 9. therefore, this machine is able to maintain stone - removing effect even the amount of material fluctuates. it can be used to remove the mixed stones in foodstuffs, grains, grease, feedstuffs and chemical products
調節風量風壓方便,且范圍大有顯示裝置,配有大採光吸風罩,物料運動一目了然配有先進照明燈觀察,篩體二側設有四個清理手孔清理方便,去石篩面傾斜角度可可、調范圍7 - 9 ,因此本機在產量波動范圍之內均能達到去石效果及用於去除不同種類,糧食、雜糧、油脂、飼料、化工其它等的並肩石。分享友人