lamps相关论文
Combination of light-emitting diode positioning identification and time-division multiplexing scheme
A combination of light-emitting diode(LED) identification and a time-division multiplexing scheme is proposed in this Le......
<正>Point以色列特拉维夫的设计公司Studio Cheha这次推出的BULBING 2D/3D LED lamps在造型上与它的老前辈相比风格一致,但本质上......
DAZZLING sunshine radi-ates from a cloudless sky; gilded temples with dim butter lamps ? ickering inside day and night s......
Effect of gadolinium incorporation on optical characteristics of YNbO_4:Eu~(3+) phosphors for lamp a
Eu3+-doped (Y,Gd)NbO4 phosphor was synthesized by solid-state reaction for possible application in cold cathode fluoresc......
Development of an integrating sphere calibration method for Cimel sunphotometers in China aerosol re
Based on the integrating sphere traced from the National Institute of Standards and Technology(NIST,USA), a sphere calib......
Eu3+ and Ho3+ doped Sr2TiO4 were synthesized by using solid-state reactions. Samples sintered at 1300 oC for 6 h could b......
[Objective]The aim was to compare control effects of trapping lamps with different wavelengths on soybean pests.[Method]......
Photoluminescence properties of Ca-doped BaMg Al_(10)O_(17):Eu~(2+),Mn~(2+) blue phosphor using BaF_
Ca-doped Ba Mg Al10O17:Eu2+,Mn2+(BAM) blue phosphors were synthesized by flux assisted solid-state reaction method using......
A quasi-continuous-wave intracavity frequency-doubled Nd:YAG laser which operates at 660 nm is studied. By using a flat......
White light-emitting diodes (WLEDs) have matched the emission efficiency of florescent lights and will rapidly spread as......
A Nd:YAG master oscillator power amplifier (MOPA) system, pumped by a pulse flash-lamps as the pump source of optical pa......
Electronic controlled high luminous ef-ficacy compact fluorescent lamos(ECF Lamps)are the new generation among recently......
The relationship between the arrangement of tungsten-halogen lamps and the uniformity of irradiance received by the wafe......
An energy-saving light-emitting-diode(LED) street lamp was conducted. Based on the simulation by optical software TraceP......
With the consideration of the thermal management and heat sink requirements,a cooling device is designed and the thermal......
奥林匹克圣火奥林匹克圣火在希腊的奥林匹亚点燃,并藉由火炬和矿灯带到开幕式上,点燃主火炬塔。
Olympic Flame The Olympic Flam......
Enhanced photoluminescence properties of (Y,Bi) BO_3:RE~(3+) (RE=Eu,Tb) phosphors synthesized at low
Eu3+ or Tb3+ doped Y(1-x)BixBO3 (0.1≤x≤0.4) phosphors were synthesized using the simple solid state method at low temp......
In this paper, thermal characteristics of the high-power LED spot lamp are reported. The emphasis is placed upon optimiz......
This paper summarizes different kinds of heat sinks on the market for high power LED lamps.Analysis is made on the therm......
Characteristics of xenon-lamp pumped pyrromethene 567-doped dye laser based on polymethylmethacrylat
The solid-state medium containing pyrromethene 567 (PM567) in a polymethylmethacrylate polymer host is shown to lase und......
GaN based MQW epitaxial layers were grown on Si(111) substrate by MOCVD using AIN as the buffer layer.High light extract......
Fabrication of GaN-based LEDs with 22° undercut sidewalls by inductively coupled plasma reactive ion
We use a simple and controllable method to fabricate GaN-based light-emitting diodes(LEDs) with 22?undercut sidewalls by......
A Comparative Study of the Laser Induced Breakdown Spectroscopy in Single- and Collinear Double-Puls
Two Q-switched Nd:YAG lasers at 1064 nm wavelength have been employed to produce plasmas on aluminum-based alloy in sing......
7.15Close Door FestivalThe Close Door Festival(关门节Guānménjié)is a Dai Ethnic tradition.Dai people are Buddhists,an......
For those who come to Tibet for the first time,butter tea is on their list to try.I, however,am an exception to the rule......
A novel scheme of fully immersing water cooling is proposed for a Nd:glass radial slab laser.The slab medium is entirely......
Thanks to the growth of urban lighting sys-tern,nights in China’s cities are becomingbrighter.By the end of 1991,there......
Vertical-looking radar(VLR)has allowed long-term automatic monitoring of the altitudinal and temporal dynamics of highfl......
A new scheme of automotive high intensity discharge(HID) lamps with electronic ballasts is proposed. The design of the p......
As the potential applications of carbon nanotubes in the field of electroluminescence, elements yttrium and europium wer......
为了开阔读者朋友们的视野、丰富学习生活,本刊编辑部特与英国剑桥教育集团合作开辟专栏——英国教育早知道,为广大读者朋友提供关......
Rare earth luminescent materials have been global green illumination sources today. It was estimated that proportion bet......
Environment protection is one of the hot topics today. Global warming,glaciers melting,rising of sea-levels and species ......
The 1975 Haicheng MS7.3 earthquake affected whole Korean Peninsula and even Kyushu,Japan.In this paperisoseismal map of ......
The sun has gone from the shining skies,Bye,baby,bye.The dandelions have closed their eyes,Bye,baby,bye.The stars are li......
ThisarticlewillexaminehowtheimportationofWesternimplementsandsystemsfacilitatedthegerminationandgrowthofcivilconsciousne......
A call from Professor Yang Jiaming changed my journey to Tibet. Professor Yang advised me that he was going to conduct a......
Repeated taxation is the camel’s last straw on the low-profit logistics industry. Tp hand in taxes according to laws is......
Control Effect and Cost Evaluation of Different Sex Pheromones and Trapping Lamps against Spodoptern
[Objective]The aim was to study the control effect of different sex pheromones and trapping lamps against main pests in ......
Ⅰ. Auto Lamp Market According to incomplete statistics, there are nearly 100 lamp manufacturers in China at present, m......
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Ⅰ. A Briefing of Auto Lamps Sector The “Industrial Policy of the Motor Indus-try” issued by the Chinese government s......
Photochemical reactions of poly(3-butoxythiophene-2,5-diyl) with chloroform under irradiation with light were studied. T......
On August 22, 2001, China State Bureau of Quality Supervision, Inspection and Quarantine approved two national mandator......
LAOSHE Teahouse. located southwest of the Arrow Tower in Beijing, brings back memories of the past. The teahouse is dec......
As an Hg-free lamp using phosphor, the Bi3+ and Eu3+ co-doped Y2O2S phosphors were prepared and their luminescence prope......
A novel Dy~(3+)-doped GdPO_4 white-light phosphors under vacuum ultraviolet excitation for Hg-free l
Novel Dy3+-doped GdPO4 white light phosphors with monoclinic system were successfully synthesised by hydrothermal method......
