熒光壽命 的英文怎麼說
中文拼音 [yíngguāngshòumìng]
熒光壽命
英文
fluorescence life time-
High - powered technology of tricolor fluorescent powder and trioxide aluminum envelope mix powder make the products effective, durable, high luminosity, long life, unshadowed, no black head phenomena, good color rendering and less eyestrain
燈管採用高性能的三基色熒光粉及三氧化鋁包膜配粉技術,光效高,壽命長,無暗區,無黑頭現象,顯色性好,保護視力。By introduction of two lif layers, the adjustment of the position of thin layer alq3 in the microcavity is achieved and the effect of the coupling strength between the emissive dipole and vacuum electric - field on the emission intensity in ( / 2 - length microcavity is studied for the first time
在帶有dbr結構的高q值微腔中,觀察熒光壽命變短輻射速率提高的現象。通過使用填充層,來實現對薄層alq在腔中位置的調節,研究了輻射偶極子同光電磁場的耦合強度對輻射強度的影響。It measures the density of oxygen by detecting the life - span of the fluorescence quenching. the so - called fluorescence quenching is a kind of physics or chemistry process that the fluorescence material has chemical or physical reactions with certain substance is selected here. it has the advantage of good stability of fluorescence, long life span and the strong quenching effect
本課題光纖氧氣傳感器檢測系統是基於熒光猝滅效應的檢測機制,通過測定熒光壽命從而檢測氧氣濃度的,熒光猝滅效應所引起的熒光壽命具有很好的穩定性、猝滅效果以及系統使用壽命長。It uses the unique light center system to guarantee the pocture clarity the ling service of the fluordsc - entlamp tube and the maintain is convenient and simple
採用獨特的光源系統,保證圖象清晰度,熒光燈管使用壽命長、維護簡單方便。The traditional light source of lighting is mainly incandescent lights and fluorescent lamps, which cant meet people s satisfaction in the credibility, electricity consume, service life, etc
傳統的照明光源主要是白熾燈和熒光燈,在可靠性耗電使用壽命等方面不盡如人意。The influence of y _ 2o _ 2s : eu phosphors fluorescent spectra, chroma and luminescence intensity is systematically studied when different concentration of europium is adulterated into different phosphors by means of xrd, fluorescent spectra analysis, time - basing spectra analysis, long - persistent fluorescent spectra analysis and so on ; the influence on y2c > 2s : eu phosphors structure, luminescence intensity and long - persistent curve is investigated when different concentration of mg24 " > ti4 " 1 " is adulterated into different phosphors, finding the most suited concentration of mg2 " * ti4 " 1 " ; base on the suited concentration of mg2 + > ti4 +, the influence rule on phosphors luminescence intensity and long - persistent curve with changing of eu + concentration is also studies. at the same time, by using rare - earths metals adulteration and theory of chroma synthesis, the possibility of sensitized buildup of phosphors and the synthesis of different color long - persistent phosphors is also researched
應用x射線粉末衍射( xrd ) 、熒光光譜、時間分辨光譜及磷光體長余輝壽命測試等綜合實驗手段,較系統地研究了摻雜eu對熒光體y2o2s : eu熒光體的發光光譜、色度和發光強度的影響;研究了不同mg , ti含量對磷光體基質結構性能、發光強度與余輝曲線的影響及其適宜的摻雜濃度;基此,研究了在給定mg , ti含量時,不同eu摻量對磷光體發光強度和余輝的影響規律;從稀土摻雜和色度合成原理分別探討了eu的發光敏化增強和制備不同光色長余輝磷光體的可能性。Because the fluorescent signal is weak, the lock - in amplifying technology is used to measure the concentration of the gaseous oxygen and the dissolved oxygen
根據熒光信號弱的特點,採用鎖相放大技術,通過檢測指示劑熒光壽命的變化來實現對氣態氧和溶解氧濃度的檢測。Furthermore the optic spectrum data of er / yb co - doped phosphate glass, such as absorption spectrum, fluorescence lifetime and emission spectrum etc. are also tested
此外還對鉺鐿共摻磷酸鹽增益玻璃材料的吸收譜、熒光壽命、激發譜等光譜性能進行了測試。Photoluminescence characteristics of four hemicyanine derivatives with similar molecular compositions but different donor - acceptor groups in langmuir - blodgett ( lb ) films have been studied by steady state and time - resolved fluorescence spectroscopies. the study mainly include the aggregation behavior of hemicyanine derivatives in lb films, the influence of the donor - acceptor on the excited level and excited lifetime of the hemicyenine derivatives
通過改變半花菁的親水基團與疏水基團而得到了四種半花菁衍生物,利用穩態和時間分辨熒光研究了不同親水基團與疏水基團對半花菁衍生物光學特性的影響.主要包括半花菁衍生物在lb膜中的聚集特性,親水基團與疏水基團對半花菁衍生物激發態壽命的影響等Cheap edxrf generally apply cheaper x ray tube, whose lifetime just thousands of hours ; high performance edxrf ' s lifetime reach up to 10 years
低端品牌廠商的edxrf採用廉價的x光管,壽命在幾千小時而已;高端的可以使用10年以上(如同家庭使用的熒光燈管或者彩電的顯像管壽命) 。Unique circuit design, imported quality tube, protection circuitry, with tricolor fluorescence powder, gentle ray, and a life span of more than 8000 hours
匠心獨具的電路設計,採用優質進口開關功率管,輔以完善的保護電路,配合三基色熒光粉燈管,產品光線柔和,光效高,壽命長達8000小時以上。Principle and design of a test system for pesticide fluorescence lifetime
農藥熒光壽命測試系統的原理與設計We demonstrate the feasibility and superiority in the digital phase - locked detection applying in the life - span of the fluorescence quenching in the base of the phase - locked phase theory
鎖相理論上論證了數字鎖相應用於檢測熒光壽命的可行性和優越性。By the former experiment, we know that the fiber optic gas sensor with the pulse light of the blue light led can emit the steady fluorescence. so we can detect the density of oxygen through
技術方案上採用數字脈沖激勵led藍紫光源照射敏感元件獲得穩定的熒光信號,再通過測量熒光壽命檢測氧氣濃度。The project detecting the oxygen density by measuring the life - span of the fluorescence quenching has better advantages such as the more sensitive, the better anti - jamming, the more system stabilization, the better dynamic area than by measuring the intensity of the fluorescence quenching
鎖相檢測熒光壽命的檢測方案相對直接測量熒光強度來測定氧氣濃度的方法而言,具有靈敏度高、抗干擾性強、系統穩定性能好、動態范圍大等優點。The distribution coefficient of re3 + ( nd3 + and yb3 ) , the refractive index and the crystal lattice were tested. through the measured data of absorption spectrum, fluorescence spectrum and fluorescence lifetime, the spectral characteristic parameters of ( nd3 +, yb3 + ) : yp0. 1v0. 9o4 crystals were calculated and contrasted, and the advandages of them have been showed
通過測試各晶體的吸收光譜、熒光光譜和熒光壽命,分析了摻不同濃度nd3 + 、 yb3 +離子激光晶體的光譜特性,對比研究了以yv0 . 9p0 . 1o4作為基質晶體所具有的優越性和缺陷。Chapter 2 in the design of sensors and switches based on photoinduced electron transfer, fluorescence was often used with high sensitivity and convenience. it is noteworthy that room temperature phosphorescence ( rtf ) has many advantages over fluorescence, e. g., large stokes shift, higher signal to noise ratio, good selectivity and easily measurable luminescence lifetimes etc., and it can be found as a helpful complementary method of fluorescence sensing
第二章在光誘導電子轉移傳感器和分子開關的設計中,熒光由於其靈敏度高、使用方便,受到人們的廣泛關注,相對于熒光室溫磷光選擇性好、信噪比高、較大的stokes位移、壽命易測定等優點,在許多方面與熒光互補。The results indicated that the co - dopants of li +, na + and k + could promote the crystallinity of samples. however, the co - doping of mg2 + and al3 + drastically causes the structure disorder. ( 4 ) the fluorescence decay curves of 5do of samples were measured under the excitation of 266 nm laser
比較發現,摻雜不僅可以調節納米材料的尺寸,還可以影響材料的結晶性,尤其是後者對發光性質和熒光動力學過程,如熒光強度、電荷遷移帶的位置、 ~ 5d _ 0的壽命等,產生強烈的影響。While the color is cooler, the lower operating costs and extended life contribute to their increasing popularity
隨著將它色溫的降低、加工成本的降低和壽命的延長的發展,緊湊型熒光燈也將得到逐漸地普及。分享友人