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Recent development in rare earth doped phosphors for white light emitting diodes王育华1,2,朱革1,2,辛双宇1,2,王倩1,2,李艳艳1,2,吴泉生1,2,王闯1,2,王希成1,2,丁鑫1,2,耿婉莹1,21. Key Laboratory for Special Function Materials...="ChDivSummary">As new light sources for next-generation illumination, white light-emitting diodes(WLEDs) have been extensively developed and are commercially available due to their excellent advantages......
Gadolinium doped tin dioxide nanoparticles: an efficient visible light active photocatalystAbdullah M Al-Hamdi1,Mika Sillanp??1,Joydeep Dutta2,31. Laboratory of Green Chemistry, Lappeenranta... dioxide(SnO2:Gd) nanoparticles were found to absorb higher visible light compared to lanthanum,neodymium and cerium doped materials that were studied in detail.Photocatalytic degradation of phenol......
Visible Light Photocatalytic Properties and Thermochromic Phenomena of Nanostructured BiOCl MicrospheresJiushan Cheng,Cong Wang,Yinfang Cui,Ying Sun,Ying ZuoCenter for Condensed Matter and Material...℃ in air for 3 h and could be recovered to black by exposure to ultraviolet light for a few hours. The photocatalytic activity of both the black and the white Bi OCl microspheres was characterized......
功效提高率却需要很大的照度才能满足,因而能源效率极低,造成能源浪费.从综合节能,视觉功效和经济性的考虑,未来教室照度标准值可提高到500~750 lx,但不宜超过750 lx.关键词:教室;光环境;照度;视觉功效;节能Illuminanation and energy saving in classroom light environmentHUANG Hai-jing1, 2, CHEN... with the different illuminanation (luminance) conditions in classroom artificial light environment were measured. The result shows that the pupil area gets smaller when the illuminance is higher......
Effects of Light Rare Earth on Acidity and Catalytic Performance of HZSM-5 Zeolite for Catalytic Cracking of Butane to Light Olefins王晓宁,赵震,徐春明,段爱军,张莉,姜桂元摘 要:light olefins were also measured with a fixed bed microreactor.The results......
Eu2+/Gd3+-codoped nanocrystalline titania catalyst and its photocatalytic activity under natural light ZHOU Yi(周 艺)1, 2, HUANG Ke-long(黄可龙)1, ZHU Zhi-ping(朱志平)1, 2, XIA Chang-bin(夏畅斌)1 1. School... by the photodegradation of methyl orange in an aqueous solution under natural light irradiation. It has been confirmed that Eu2+/Gd3+-codoped titania could be excited by natural light. The higher natural light activity......
Visible Light Photocatalytic Properties of Metastable γ-Bi2O3 with Different MorphologiesWeichang Hao1,2,Yuan Gao1,Xi Jing1,Wen Zou1,Yan Chen1,Tianmin Wang11. Center of Materials Physics... and ultraviolet-visible diffusion reflectance spectroscopy.The photocatalytic performance of Bi2O3 powder was evaluated using rhodamine B as a model pollutant under visible light irradiation.The visible light......
Influence of Light Rare Earth on Toughness of Welded Seam of LAHS Steel 李慕勤1,刘冬梅1,马臣1 (1.College of Material Engineering, Jiamusi University, Jiamusi 154007, China) Abstract:The influence mechanism of light rare earth elements, which are transited to the welding seam of low-alloy high strength (LAHS) steel through the covering of the electrode, on the toughness of the welding seam was studied......
Trans. Nonferrous Met. Soc. China 30(2020) 1078-1090 Catalytic effect of visible light and Cd2+ on chalcopyrite bioleaching Chun-xiao ZHAO, Bao-jun YANG, Xing-xing WANG, Hong-bo ZHAO, Min GAN, Guan... 2019; accepted 6 April 2020 Abstract: The effects of visible light and Cd2+ ion on chalcopyrite bioleaching in the presence of Acidithiobacillus ferrooxidans (A. ferrooxidans) were studied by scanning......