激光測長機 的英文怎麼說
中文拼音 [jīguāngcèzhǎngjī]
激光測長機
英文
laser length measuring machine- 激 : Ⅰ動詞1 (水因受到阻礙或震蕩而向上涌) swash; surge; dash 2 (冷水突然刺激身體使得病) fall ill fr...
- 光 : Ⅰ名詞1 (照耀在物體上、使人能看見物體的一種物質) light; ray 2 (景物) scenery 3 (光彩; 榮譽) ...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 長 : 長Ⅰ形容詞1 (年紀較大) older; elder; senior 2 (排行最大) eldest; oldest Ⅱ名詞(領導人) chief;...
- 機 : machineengine
- 激光 : [物理學] laser 激光靶 laser target; 激光報警器 laser avoidance device; 激光玻璃纖維 laser fibre; ...
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Based on the investigation and research, the paper gives a testing method, which measures the taking off and landing distance of airplanes with the laser locating system for airplanes trace. and by way of the field measuring on plateau airports, we have got the integrated modifying coefficients of three kinds of airplanestaking off and landing running distance such as h6. all of these provide scientific basis for the runway length design of the plateau airport
在調研論證的基礎上,提出了利用《飛機起落航跡激光定位系統》測定飛機起飛著陸滑跑距離的測試方法,並通過高原機場實地測試,得出了三種飛機在高原機場上起飛著陸滑跑距離的綜合修正系數值,為高原機場跑道長度設計提供了可靠的理論依據。Laser tracking interferometry, which is a developing absolute distance measurement technology, is extensively applied in large - scale high accuracy assembly and inspection of product lines in aerospace, automobile, machine building and water and electricity construction
激光跟蹤測量是近年來發展起來的一種無導軌精密測長技術,可以應用於航天航空、機械製造及水電建築等行業的大型機械現場組裝與安裝。For protein identification, proteins spots of interest on the gels stained with colloidal coomassie brilliant blue g - 250 were excised, digested in - gel with trypsin, and analyzed by peptide mass fingerprinting ( pmf ) with matrix assisted laser desorption / ionization - mass spectrometry ( maldi - ms ). erp60, trypsinogen, proelastase, lipaseandso on were identified. this will enable us to present an overview of the proteins expressed in rat pancreas tissues and lays the basis for subsequent comparative proteome analysis studies with pancreas development
從中隨機選擇一些差異蛋白質點,進行基質輔助激光解吸-電離飛行時間質譜( maldi - tof - ms )測定其膠內酶解后的肽質指紋圖譜,用mascot軟體查詢swiss - port數據庫,初步鑒定為一些與生長發育、物質代謝、細胞因子、信號轉導等有關的蛋白質,如erp60 、 trypsinogen 、 proelastase 、 lipase等。Baby seeding direct sowing with re - paper covering were introduced in this paper in this study, many experiments were done include leveling the land of 20 hm2 paddy field experiment by using laser controlled land leveling machine in jing ertun village of liaoyang city, testing and summarizing the rules of breeding the baby rice used to sowing, investigating the growing of rice during its whole growth duration, testing and analyzing the performance both a kind of baby rice seedling direct planting machine and the baby rice seedling - throwing machine
本文還介紹了水稻紙膜覆蓋直播種植技術的種植方法。本文通過在遼陽市太子河區景爾屯村的20hm ~ 2水田應用激光設備進行平地作業,對乳芽培育的工藝規范進行了試驗和總結,跟蹤調查了水稻全生育期的生長狀況,分別對一種水稻乳芽直播種植機械和乳芽拋播機械進行了性能檢測與分析。By means of sem, tem, laser scattered particle analyzer, etc., the formation mechanism of ultrafine sio2 particle was studied. it was found that at the initial stage, the sio2 particle consisted of some minicrystal, but after the initial stage the sio2 particle was formed by some soluble aggregated substance growing on the surface of the early particle
運用掃描電鏡、透射電鏡、激光粒度分析儀等檢測手段,探討了體系中超細二氧化硅顆粒的形成機理和過程,指出超細二氧化硅粒子前期是由體系中的微晶核組成,中後期則由體系中的可溶性縮合物在其表面生長而成。The project adopts pulsed laser ranging in noncoherent detect mode, uses a 905nm pulsed laser diode as the laser source, detects object with a single apd, adopts an optics - mechanics scanner in object space to obtain images, and obtain distance images and intensity images of object simultaneously
該研究方案採用直接探測脈沖激光測距體制,以波長為905nm的脈沖半導體激光器作為激光光源,利用單元apd探測器進行探測,採用物空間掃描的光機掃描方式進行掃描成像,能同時獲得目標的距離圖像和強度圖像。By the study of the whole decay curves of 10 hours, the influence of each step is summarized, and the best stoichiometry and preparation techniques are acquired. the crystal structure of sral2o4 eu2 +, dy3 + is monoclinic system, which is a high efficiency luminescence crystal structure. the emission spectrum and the excitation spectrum of sral2o4 eu2 +, dy3 + powder are measured
此外,通過x射線衍射譜確定了所制備的sral _ 2o _ 4 : eu , dy長余輝材料晶體為單斜晶系結構,並測量其發射光譜,激發光譜,初步討論了sral _ 2o _ 4 : eu , dy長余輝蓄能材料可能的發光機理。The conclusions are as follows : the ultrasonic intensity is proportion to the laser intensity ; the ultrasonic induced by a laser line source has much more advantages than by a laser point source, such as stronger energy, higher snr, more directivity and shape ; the intensity of cfpi ' s output signal is linear with ultrasonic vibration velocity, and is effected by incidence angle and scattered angle ; snr will increase by reducing cfpi ' s bandwidth, reducing incidence angle, increasing cavity ' s length and reflectivity
在分析點光源激勵聲表面波機理的基礎上,求出了線光源激勵的超聲振動的位移表達式,發現線光源激勵的近場區表面波具有波形好,信噪比高,指向性好,幅度強等特點。通過理論推導,得出共焦fabry - perot干涉儀的輸出光強除了與樣品表面的振動速度成正比,並與入射角和散射角有關;適當減小cfpi的帶寬,增加腔長,增大鏡面反射率,或者減小檢測入射角都可以提高系統的信噪比。It can be mounted on the three - coordinate measurement machine or other length measurement machine like interferometer to take measurement
測頭不僅可以安裝在三坐標測量機上,也可以結合其它的測長儀如雙頻激光干涉儀進行表面形狀測量。The technique core of the 3 - d outline tracking scan lies in the adoption of several photoelectric sensors, laser measuring sensors and super voice wave measuring sensors to carry on probing, the single chip makes the photoelectric signal examined as the control basis, and controls the step motor to drive measurement machines and probing sensors to make outline tracking and scans movement along high and breadth direction of the vehicle, and record its outline track, and the data measured is delivered to the computer, finally, acquires the size of the vehicle checked through the place of computer data processing
三維輪廓跟蹤掃描技術的核心在於採用多套光電傳感器、激光測距傳感器、超聲波測距傳感器進行探測,單片機把檢測到的光電信號作為控制依據,控制步進電機驅動測量機及探測傳感器在車長、車高和車寬方向上作輪廓跟蹤掃描進給運動,記錄其輪廓軌跡,並把測得的數據傳送到上位機,經上位機數據處理獲得被檢車輛的特徵尺寸。Using the new excimer laser photorefractive keratectomy ( prk ), the molecular bond of the corneal stroma is broken to allow recofiguration of the cornealsurface. this photo - ablation effect can treat severe myopia, astigmatism, and a variety of corneal diseases using photo - therapeutic keratectomy ( ptk ). the safety, predictability, and long - term stability are well established in major western medical facilities
準分子激光技術在國內、外安全使用十一年,並得到眾多醫學權威機構的認定,具有安全性及精確度高、可預測性強、長期穩定性好的特點,我院已為幾百名近視患者實施了這種手術, 90的患者術后視力達到1 . 0以上。Abstract : a kind of method using laser for measuring the length of heavy forging at elevated temperature is presented with 8031 monolithic controller as the controlling center and hardware design and software design of the system are introduced in detail
文摘:提出了一種以8031單片機為控制核心,採用激光測量大型鍛件熱態長度尺寸的方法,並詳細介紹了系統的硬體設計及軟體實現。The results show that induction heating power using igbt does well, frequency that ranged from 2 ~ 10khz, satisfied all technology requirements that grow many kinds laser crystal
對樣機調試和測試結果表明,所設計的中頻感應加熱電源在2 10khz范圍內,能夠滿足多種生長激光晶體工藝的要求。Secondly, basing on the theory of on - off gain of small signal, the raman gain coefficient for frequency shift between 0. 5 and 20 thz of standard sigle mode optical fiber is measured by pump - probe method through a super luminescent diode ( sld ) as a broadband small signal probe source. thirdly, numerical simulation analysis of gain characteristic of raman fiber amplifier for c band wdm signal light is made according to the raman gain coefficient of the fiber measured before through target and four rank runge - kutta method. at the invariability of wavelength and maximum power of each of two pumps, schematic of powers of two pumps for best flatness on c band wdm optical gain was found out, at the same time, the factors of resulting in gain saturation is analyzed, too
本文首先應用經典的電磁理論對拉曼光纖放大器的工作機制進行了分析,然後,根據小信號理論推導出的開關增益求出了光纖拉曼增益系數的表達式,採用泵浦-探測波的方法,利用超輻射激光二極體( superluminescentdiode簡稱sld )作為探測光源,測量了所用標準單模光纖頻移為0 . 5 - 20thz的拉曼增益系數,之後根據所測得的光纖的拉曼增益系數譜對應用該類光纖構成的放大c波段wdm光信號的拉曼光纖放大器的增益特性採用打靶法和四階龍格- - -庫塔進行了數值計算,在給定了兩個泵浦光源的波長和最大功率后,找出了反向泵浦情況下使c波段wdm光源增益最平坦的兩個泵浦的各自最佳功率,同時也分析了導致信號光飽和的原因。Double wavelength semiconductor lasers is a kind of novel diode lasers with the function of emitting two wavelength laser. there are various use for double wavelength semiconductor lasers in the different band. 650nm / 780nm double wavelength quantum well lasers mainly apply to the optical pickups of dvd - rom driver and dvd player
雙波長半導體激光器是一種能夠發射兩種波長激光的新型半導體器件,不同波段的雙波長半導體激光器有著不同用途, 650nm 780nm雙波長量子阱激光器主要應用在dvd - rom驅動器和dvd播放機的光學讀取等方面,而大功率950nm 990nm雙波長量子阱激光器主要應用於光學測量等方面。Basing on the four - axis ldw equipment manufactured by changchun institute of optics and fine mechanics and physics, chinese academy of science, the paper analyses y - axis transmission system of this equipment systematically, it can provide some consult for designing and detecting high - precision transmission system
本文基於中科院長春光機所研製的四軸激光直寫設備開展了對其y軸傳動系統的分析研究,可以為相關高精度傳動系統的設計和檢測提供重要的依據。分享友人