極光效應 的英文怎麼說
中文拼音 [jíguāngxiàoyīng]
極光效應
英文
aurora effect- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 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) ...
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 應 : 應動詞1 (回答) answer; respond to; echo 2 (滿足要求) comply with; grant 3 (順應; 適應) suit...
- 極光 : [地球物理] aurora; aurora polaris ; [天文學] polar light
- 效應 : [物理學] effect; action; influence
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This effect is particularly important for leds since the emitted spectral width is several hundred angstroms.
這種效應對于發光二極體來說是特別重要的,因為發光二極體所發射的光譜帶寬可達幾百埃。These electrons create electrical effects, such as the aurora borealis, or northern lights, cause the disruption of radio transmissions, and increase the amount of ozone in the upper atmosphere
這些電子產生了電效應,如極光,或北極光,造成無線電傳送的中斷,在大氣層的上方出現臭氧量的激增。" for his discovery of the doppler effect in canal rays and the splitting of spectral lines in electric fields
發現極隧射線的多普勒效應以及電場作用下光譜線的分裂現象This product is the newest filming technique, the latest achievement of usa electronic magic, it utilizes decomposition principle of electronic material to form a positive negative ions film on the surface of car coating, which has high water repellency and makes the surface of coat has more than 95 % brightness of mirror surface, lt has preeminent performance on weathering resistance, ageing resistance, oxidation resistance static resistance and wear resistance, with the force of charged ions, this product can easy removes the dirt, water drop acid rain and grease on the surface of the film and perennially and effectively protect coat surface, lt is the fourth generation car beauty and protective product which replaces glaze sealing products
本品屬于當今最新的鍍膜技術,屬美國電子工學魔法的最新成果,它利用電子物質的分解原理,在車漆表面生成持有高撥水性的正負離子覆膜,使漆面光亮度可達鏡面光澤的95 %以上,並具有超強的耐候性、抗老化、防氧化、防靜電、耐磨性極好的功能,它利用電離子的力量,可輕松彈去覆膜表面的污垢、水滴、酸雨、油脂等,平時只需清水沖洗,便可立即使之恢復離子效應,達到長期保護漆面的目的,是取代封釉的第四代汽車美容保護產品。The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas
抗菌纖維具有永久的抗菌性,對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ,能有效抑制細菌繁殖,起到抗菌防臭作用;抗紫外線聚酯纖維的用途也是異常廣泛的,隨著大氣層中臭氧層的日漸稀薄,日光中的紫外線日益增加,對人體皮膚形成極大危害,尤其對于長期從事野外工作的人,因此設法減少紫外線對人體的傷害顯得尤為重要;阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維,紡織品阻燃在許多國家已有明確法令規定,我國也逐漸在某些特殊使用范圍做嚴格要求,如車船內用紡織品,高級賓館的內裝飾織物等,而且具持久性阻燃性的纖維和織物是現在更為需要的,真可謂用途非常廣泛;遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維,是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料,能吸收人體自身向外散發的熱量,吸收並反射回人體最需要的4 14 m波長的遠紅外線,促進人體的新陳代謝;抗紅外線纖維,則在軍事上有著重要的作用。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 function of illumination optics for projection displays is to direct light source onto a small area of microdisplay within a limited incident solid angle, and therefore the collection efficiency is especially important compared to other illumination applications, which is also the main technical issue for led application to projection displays
摘要投影顯示之照明系統須將光能量集中照明於一小面積與小角度之內,相較于其他照明之應用,其集光效率之考量更為嚴苛,亦為發光二極體于投影顯示照明應用中最主要之技術課題。Abstract : we have studied theoretically a beat effect in a four - level system due to fifth - order optical polarization, and considered the cases that the pump beams have either narrowband or broadband linewidth. we have found that the accuracy for the energy - level splitting measurement is determined by the homogeneous linewidths of the optical transitions. that is to say, this technique can achieve doppler - free precision in the measurement of the energy level splitting between two excited states which are dipolar forbidden from the ground state
文摘:研究了四能級系統中基於五階極化的拍頻效應,考慮了抽運光束為窄帶線寬或寬帶線寬的情形.發現其對能級分裂的測量精度決定於光學躍遷的均勻增寬.也就是說,這種技術在測量與基態是偶極禁戒躍遷的兩激發態之間的能級分裂時,可得到消除多普勒增寬的精度The results also indicate that by taking particle size effect into consideration, the theoretical values of optical constants of the cermet films are more consistent with experimental values. at last we discuss the discrepancy between the theoretical results and the experimental results, and the factors that cause the discrepancy are analyzed as well
但是我們又發現對納米金屬陶瓷薄膜材料的光學常數的計算,考慮尺寸效應和極化因子修正後的值與實驗結果之間仍存在一定的差異,文章最後我們分析討論了產生這些差異的原因。At present, people usually use birefrigence and quasi - phase - matching methods to achieve higher effiency in the process of conversion. a significant advantage of quasi - phase - matching method is that the interaction is occurred through the largest element of the x ( 2 ) tensor ; the period of optical superlattice can be designed randomly, and any interaction can be matched without walk - off angle ; they are fitted to be used in frequency conversion of lower power especially. the quasi - phase - matching method has some advantages over birefrigence method, improving the efficiency of frequency conversion ; the range of frequency conversion covers its whole transperant wavelength
由於準相位匹配技術有其獨特的優勢,可以利用非線性光學晶體的最大二階極化張量,如ppln 、 pplt 、 ppktp用的非線性極化張量都是d _ ( 33 ) ,其有效非線性系數高出普通非線性光學介質(如bbo 、 lbo 、 ktp )一個數量級,而且可以人為靈活設計調制周期,通過周期設計其頻率變換范圍可以覆蓋準相位匹配介質的整個透明波段,選擇無走離效應,解決了常規pm難以解決的問題,拓寬了非線性晶體的應用范圍,極大地提高了頻率轉換效率,已成為非線性光學材料和固體激光器的研究熱點之一。Measured results showed that the dl - a device with its structure as following ito / npb / alq / mg : ag was far more superior to sl device with the structure of ito / alq / mg : ag because the dl - a device better balanced energy band between each each layer and the mobility of carriers ( electrons and holes ), which led to the combination of carriers taking place in the bulk of emitter and avoided the excitons being eliminated by the electrodes which easily occurs in sl devices. as to the doped devices, measurements demonstrated an excellent device with its maximum brightness was 25000cd / m2
研究結果表明, dl - a型雙層結構器件ito / npb / alq / mg : ag的各項性能指標明顯優于單層器件ito / alq / mg : ag ,因為前者有更好的載流子遷移率匹配以及能帶匹配,因此平衡了復合的載流子數目,並且能將復合區有效控制在發光層內部,有效避免了表面的大量缺陷以及電極猝滅效應,提高了載流子的復合效率,從而提高了器件的發光性能。This thesis focuses the research on the theory and application of the electro - optic effect in the quasi - phase - matching ( qpm ) nonlinear optics based on periodically poled lithium niobate ( ppln )
本文旨在對電光效應基於周期性極化鈮酸鋰( ppln )的準位相匹配( qpm )非線性光學中的理論及其應用進行研究。" in addition to the business operation of dawning, shenzhen high - tech will be actively on the lookout to identify businesses with good development prospect, profitability track records, positive cash inflow and potentials of achieving synergy effects with the group s business, through shares swap, acquisition or investment by purchase of shares, to further expand, extend and develop our business operations. " added mr gong hanbing, executive director and president, shenzhen high - tech. dawning is a pioneer in developing high performance computer systems and servers
深圳科技執行董事兼總裁龔漢兵先生補充:除發展曙光信息業務外,深圳科技仍會積極物色有實質業務、有增長前景、有盈利記錄、有正現金流,以及能與集團現有業務產生協同效應的高科技項目,透過換股、收購、參股或其他各種可行方式參與投資,進一步拓闊集團的業務領域。It was found that the electrode process was scarcely affected by the pee modification ; but the electrochemical luminescence of luminol was greatly enhanced
結果表明;聚乙烯亞胺修飾層對電極反應的影響相對較小;而對魯米諾分子的電化學發光具有極大的增強效應。4. the dipole squeezing of a a - type three - level atom interacting with a strong coherent field in a high - q kerr cavity is investigated. the effects of the kerr medium, the field - atom coupling coefficient and the detuning on the atomic dipole squeezing are discussed by numerical calculation
4 .研究了充滿高qkerr介質腔內強相干光場與a型三能級原子相互作用中原子的偶極壓縮效應,著重討論了kerr介質、原子與光場間的藕合系數以及失諧量對原子偶極壓縮的影響。Moksan 0. 5w power leds offer ultra high brightness and efficacy for a broad range of specialty and general illumination applications
5w大功率發光二極體能提供超高的亮度和光效,可廣泛地應用於專業照明和普通照明。The effect of polarons on the luminescence properties of quantum dots ( qds ) is an important problem in qd research and applications. we review the recent progress in the concept, possibility and size dependent energy variance of confined polarons in various qds. we suggest that the formation of polarons is related to intrinsic and / or extrinsic phonons and that the idea of confined polarons that we recently proposed can be used to explain the specific spectrscopic characteristics of oxidized nanosilicon systems, even single nanosilicon structures. this model may help to reveal the luminescence mechanism of porous silicon
量子點中的極化子效應是當前量子點研究中的重要問題,其特徵急需了解.文章在綜述了量子點中限域極化子的概念、可能性和能量隨尺寸的變化規律之後,提出了界面限域極化子模型,該模型首次指明本徵聲子和外來聲子都可能對界面限域極化子的形成有貢獻.作者利用此模型分析了多孔硅體系中的光譜特徵,證實了表面覆有氧化層的納米硅的行為十分符合量子限域極化子的特徵.這一極化子模型與單個納米硅結構的發光譜十分一致,此結果對最終揭示多孔硅發光機理有重要意義We calculate the stress fracture limit, critical index limit and melting limit in a high power double clad fiber laser. the results show that the average output power decreases when the temperature is too high. to maintain the pumping efficiency and the output power, some cooling methods should be used when the output power reaches a certain level
給出了熱效應對雙包層光纖激光器影響的裂解極限、臨界折射率極限和熔化極限與光纖結構參數和泵浦功率的表達式,理論分析和數值模擬結果表明對于高功率的雙包層光纖激光器溫度很高時激光增益下降,在一定的功率水平上需要進行外界的冷卻,以保證泵浦激光的效率和高功率的激光輸出。The first order nonlinear hyperpolarizabilities in second - harmonic generation process and electro - optical pockels effect are computed. the basis set effects in ab - mitio quantum - chemical computation are mainly studied. the correction to the nonlinear optical properties due to the electronic correlation energy is discussed and the relationship between the first order hyperpolarizabilities and the frequencies of the external electric field is also investigated
計算了二次諧波振蕩過程和電光pockels效應過程的一階非線性超極化率,研究了電子的相關能對pna分子的非線性光學性質的影響以及pna分子的一階非線性超極化率與外加光電場頻率之間的色散關系,並著重討論了量子化學從頭計算中基矢組的選取對計算結果的影響。Compared with the traditional lamp - pumped solid - state lasers, the diode - pumped solid - state lasers ( dpssls ) have many advantages such as high efficiency, long lifetime, all - solid - state, small size and little heat effect, etc. of many kinds of dpssls, laser diode ( ld ) end - pumped nd : yag laser plays an important role and has been found wide applicatins in industry, mainly because of its good mechanical and optical properties of nd : yag crystal and good mode matching to output a fundamental transverse mode
與傳統的燈泵浦相比,激光二極體泵浦固體激光器( dpssls )具有高效、長壽命、全固化、熱效應和體積小等優點。在眾多的dpssls中,激光二極體( ld )端面泵浦nd : yag激光器在工業中起著重要的作用並得到了廣泛的運用,這主要歸因於nd : yag晶體具有良好的機械和光學特性,而且端面泵浦具有良好的模式匹配,能獲得基橫模激光輸出。分享友人