激光報道 的英文怎麼說
中文拼音 [jīguāngbàodào]
激光報道
英文
laser report- 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) ...
- 報 : Ⅰ動詞1 (告知; 報告) report; declare; announce 2 (回答) reply; respond; reciprocate 3 (答謝)...
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 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; ...
- 報道 : 1. (報告新聞) report (news); cover 2. (新聞稿) news report; information; story
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Most laser ultrasonic nondestructive testing systems are based on the heterodyne principle, but the laser ultrasonic nondestructive testing system which is based on the homodyne principle
而且目前所研製的激光超聲無損檢測系統基本上採用外差干涉的方式,而零差干涉方式國內尚未見到有相關報道,這屬于論文的主要創新點。According to press accounts, china can use probable low - energy lasers to “ blind ” the sensors on low - earth - orbiting satellites, although whether this claim extends to actua l facilities is unclear
根據新聞媒體的報道,中國可能能夠用低能量激光,使近地軌道衛星的傳感器「致盲」 ,雖然還不清楚這種說法是否涉及實際的設備。The efficient sppc had been performed with 1 - hz - repetition - rate 532nm nanosecond pulses, in which phase conjugate reflectivity as high as 21. 5 % was obtained. when sppc were operated in ce : batio3 with 532nm, 632. 8nm and 790nm cw lasers, the maximum sppc reflectivity of 54. 1 %, 88. 2 % and 80. 5 % were obtained, respectively. unlike the results reported before that four - wave mixing by stimulated photorefractive backscattering ( spb - fwm ) only exists at short wavelengths while four - wave mixing by total internal reflection ( tir - fwm ) only exists at long wavelengths, both of these two mechanisms coexist at all wavelengths from 532nm to 790nm in our experiments
通過大量的實驗全面研究了ce : batio _ 3自泵浦位相共軛特性:在低重復頻率( 1hz ) 、 532nm調q激光泵浦時最高獲得了21 . 5的位相共軛反射率,而此前報道過的建立位相共軛脈沖光最低重復頻率是10hz ;實驗中發現在532nm 790nm波長范圍內,在不同的波長激光泵浦時,同時存在兩種自泵浦位相共軛機制:全內反射?四波混頻( tir - fwm )和受激背向散射?四波混頻( spb - fwm ) ;在連續激光泵浦時,對532nm 、 632 . 8nm和790nm三種波長,最高分別獲得了54 . 1 、 88 . 2和80 . 5的位相共軛反射率;同時還研究了自泵浦位相共軛光的時間穩定性。Greenlight vaporization in the treatment of benign prostatic hyperplasia report for 70 cases
綠激光汽化術在前列腺增生治療中的應用附70例報道Exxon corporation of new york city announced plans in september 1978 to test laser enrichment of uranium in late 1980.
1978年9月紐約市埃克森公司報道,計劃在1980年底進行激光濃縮鈾的試驗。The five lingnan undergraduates were : au yeung wing kit, third - year bachelor of business administration honours ; ho kin shing, ho kin suen and ngai tsz yiu, all second - year students in the same programme ; and lam kwan yat, a third - year student from the department of philosophy. noting that consumers were becoming immune to conventional advertising channels, the five students came up with an idea of establishing a zero ad enterprise using laser - printed eggs as their medium. the eye - catching end result was an innovative new low - cost advertising channel that would get clients messages into almost every home in hong kong
五位嶺大同學有見于雞蛋是一般家庭經常購買的基本食糧之一,而消費者對於一般的推廣渠道如電視報章及電臺廣告已漸見生膩,因此他們想到透過成立思路廣告zero ad的創新企業,利用激光技術將廣告印在雞蛋殼上,以為客戶帶來低成本直接而又高效益的市場推廣服務此外,廣告更可同時印于以可循環再做的有機物料製成的包裝膠盒上,在既能收到宣傳效用之餘,也合符環保原則。In mis thesis, we report a laser with maximum output of 4. 16w, intensity fluctuation less than 0. 5 % ( rms ) in an hour, and frequency noise less than 340khz
本文報道了單頻輸出4 . 16w ,長期功率波動范圍小於0 . 5 ,頻率穩定性優於340khz的激光器。In most studies, in order to simplify the physical treatment, the laser beam is usually treated as a plane wave and normal incidence is supposed when its transmission through a fpf is considered
對于光脈沖通過法布里一拍羅濾波器后的時域和頻域特性己有不少報道,然而我們注意到,在這些研究中激光通常被當作平而波。The outline of fiber ' s tip has very great influence on the coupling efficiency. it is reported, using the way of grinding and melting to form a microlens on the fiber ' s tip, can increase fiber ' s numerical aperture, reduce the ellipticity of laser, and improve coupling efficiency
光纖端面的形狀對耦合效率有很大的影響,有文獻報道,採用拋磨燒熔等加工方法,可在光纖端面形成一個微透鏡,增大光纖的數值孔徑,對入射激光進行橢圓度校正,從而提高耦合效率。Aviation week reported more than 20 years ago that the u. s. has used lasers to illuminate chinese and then soviet satellites to obtain engineering intelligence
航空周刊在20多年前就報道過美國曾用激光照射過中國和蘇聯的衛星,以便獲取技術情報。With the cavity of output from zero - order diffractive beam, tunable range of about 70nm from 543 - 610nm had been achieved, and the highest slope efficiency of 17 % was obtained at 583nm wavelength. while using the cavity of output from a coupling mirror, tunable range of over 30nm from 553 - 585nm was obtained, and the
在腔鏡耦合輸出的可調諧激光器實驗中,輸出調諧范圍超過30nm ,此結果與報道的p567固態染料調諧范圍相近;在光柵零級輸出實驗中,激光輸出調諧范圍近70nm ,此結果在已知報道的p567固態染料激光調諧范圍中是最寬的。Gordon gj et al recently described the cellular responses and time course for liver regeneration after ph in rats with retrorsine - induced hepatocellular injury. this model involves the prior administration of the dna - binding pyrrolizidine alkaloid retrorsine to rats blocking native hepatocyte proliferation
最近, gordongj等報道了一種新的肝臟再生反應,他們首先用倒千里光堿( retrorsine )抑制大鼠成熟肝細胞的再生能力,然後通過肝2 / 3切除施以肝臟強大的再生刺激。Therefore, for 980nm pumping, a significant disadvantage is the low coupling efficiency to the single mode fiber because of the mold field mismatch between the elliptical laser beam and the circularly symmetrical fiber mode and also because of the phase mismatch
但是對于像980nm泵浦激光器發出的激光來說,由於特殊的物理結構,使得激光光束具有高度的橢圓性。對于橢圓度高的激光光束和單模光纖耦合的報道不是很多。Using a previously developed laser " on " switch, the researchers caused nematode muscles to contract and relax by switching between blue and yellow laser light, they report in this week ' s nature
使用一種先前開發的激光開關,研究者們使用在藍色和黃色之間切換的激光,刺激線蟲的肌肉收縮和放鬆,本周《自然》報道。As the laser intensity is about ~ 1018w / cm2, we obtained some new results from the interaction of the us - ui laser pulse with plasma that have not been reported before in china. these results are helpful to understand the physical mechanisms of the laser - plasma interaction, and are very important for the research of fast ignition ( fi ) for inertia
國內我們首次在激光功率密度約10 ~ ( 18 ) wcm ~ ( - 2 )的條件下,研究了超短超強激光與等離子體相互作用產生的高能粒子發射,獲得一些國內外未見報道的新的物理結果。In the chapter 4, a two rod series connection nd : yvo4 all - solid - state laser with a flat - flat cavity two - end - pumped by a fiber - coupled ld was reported for the first time to our knowledge in this paper at home
在以上討論的基礎上,本論文在第四章在國內首次報道了一種光纖耦合ld雙端泵浦雙棒串接nd : yvo _ 4平平腔全固態激光器。The indicators quin - 2, indo - land fura - 2 have the advantage of wavelength - shift upon binding ca2 + but share a common drawback in that the excitation bands for these indicators occur at uv wavelength ( 340 - 360nm ), where autofluorescence from cells is high, radiation - damage of cellular structures is serious, the transmission of microscope optics is poor, and the availability of aberration - corrected optics for confocal microscopy is limited
迄今為止,尚未見既可長波激發、又與ca ~ ( 2 + )結合后熒光峰位移、且對胞內ca ~ ( 2 + )測定具特異性、可在亞細胞水平進行ca ~ ( 2 + )測定的整體性能優良的鈣熒光探針及其在生命科學中的應用研究報道。The laser threshold decreases from 4. 7w ( without external cavity ) to 3. 6w ( with external cavity ). with the cavity of output from zero - order diffractive beam applying to solid - state pyrromethene 567 ( p567 ), tunable range of about 70nm from 543 - 610nm, the largest range reported as we know, had been achieved. and the highest slope efficiency of 17. 2 % was obtained at 583nm wavelength
在使用光柵一級反饋、零級輸出可調諧腔的可調諧實驗中,得到了調諧范圍近70nm ( 543 610nm )的激光輸出,此結果在已知報道的激光調諧范圍中是最寬的,輸出波長為583nm時得到最高斜效率17 . 2 。Abstract : ferroelectric based nanocomposites are a new class of mesoscale functional materials which have a high dielectric constant and high electric field. recent progress in this research area is reviewed briefly, and a novel ferroelectric composite with embedded semiconductor quantum dots, including its preparation and optical properties, is reported. this material has promising applications in new electroluminescent devices and quantum dot lasers
文摘:鐵電體基納米復合材料作為一類新型功能材料,提供了一系列「高介-高場」調制的介觀系統.文章介紹了這一領域的最新研究進展,並重點報道了一類新型鐵電體基納米復合材料鐵電體半導體量子點復合材料的制備與光學性質,該材料在新型電致發光元件及量子點激光器件中有著很好的應用前景Blinking of the sers spectra and the poisson statistical distribution of the raman signal were observed. moreover spectral diffusion of raman shift with time was reported by the first time according to our knowledge, which could be due to the difference of interaction between varied single molecules and varied silver particles surface, for instance, due to the different adsorption states of dab molecules on the silver surface, which should be a powerful evidence for single molecule detection by sers
我們採用一種簡單的方法,將含有dab分子的銀膠體溶液滴在鋁箔上,激發光聚焦在液滴上直接進行測量,觀察到了分子sers信號的「 blinking 」現象,並首次報道了其sers拉曼頻移隨時間產生波動,這是由於個體分子和銀納米顆粒的相互作用及其在銀納米顆粒表面的l吸附狀態不同而導致的。分享友人