国家自然科学基金(50903028)

作品数:4被引量:7H指数:1
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相关作者:历荣毛桂洁于喆英更多>>
相关机构:黑龙江大学更多>>
相关期刊:《Optoelectronics Letters》《Journal of Rare Earths》《Science China(Physics,Mechanics & Astronomy)》《黑龙江大学自然科学学报》更多>>
相关主题:安赛蜜核磁共振甜蜜素饮料LOW-LYING更多>>
相关领域:理学轻工技术与工程电子电信化学工程更多>>
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1^H-NMR法测定饮料中安赛蜜和甜蜜素的含量被引量:4
《黑龙江大学自然科学学报》2012年第1期90-94,98,共6页毛桂洁 于喆英 历荣 
国家自然科学基金资助项目(50903028)
采用核磁共振波谱分析技术,对甜味剂安赛蜜和甜蜜素1H-NMR谱图中的各组峰进行了归属。以邻苯二甲酸氢钾做内标,利用安赛蜜和甜蜜素1H-NMR谱图中的主要特征峰,通过标准溶液考察了扫描次数(NS)及弛豫延迟时间(d1)对测定结果的影响。结果表...
关键词:安赛蜜 甜蜜素 饮料 测定 核磁共振 
Theoretical study of the electronic ground states and low-lying singlet excited states of thiophene-based spirofluorenes被引量:1
《Science China(Physics,Mechanics & Astronomy)》2011年第5期884-889,共6页CHEN RunFeng MA Cong PAN JingFang ZHENG Chao HUANG Wei 
financially supported by the National Basic Research Program of China (Grant No. 2009CB930601);the National Natural Science Foundation of China (Grant Nos. 20804020, 60976019, 50903028 and 20974046);the Program for New Century Excellent Talents in University (Grant No. NCET-07-0446);the Scientific and Technological Innovation Teams of Colleges and Universities in Jiangsu Province (Grant No. TJ207035);the Scientific Research Foundation of Nanjing University of Posts and Telecommunications (Grant No. NY210017)
The electronic structures and optical properties of oligothiophene substituted spirofluorenes are investigated theoretically with semi-empirical quantum chemical calculations. A theoretical investigation of the intera...
关键词:spirofluorene OLEDS AM1 THIOPHENE 
Influence of bidentate structure of an aryl phosphine oxide ligand on photophysical properties of its Eu~Ⅲ complex被引量:1
《Journal of Rare Earths》2010年第5期666-670,共5页许辉 魏莹 赵保敏 黄维 
Project supported by the National Natural Science Foundation of China (90406021, 50903028);Science and Technology Bureau of Heilongjiang Province (QC08C10)
The bidentate phosphine oxide ligand 1,8-bis(diphenylphosphino) naphthalene oxide (NAPO) and its EuⅢ complex 1 Eu(TTA)3(NAPO) (TTA=2-thenoyltrifluoroacetonate) were chosen to study the effect of bidentate phosphine o...
关键词:europiumⅢ complex bidentate phosphine oxide ligand photoluminescence intramolecular energy transfer rare earths 
High-yield synthesis of silicon nanoparticles via the perpendicular pulsed laser ablation in the inert gas被引量:1
《Optoelectronics Letters》2010年第2期81-84,共4页牛海军 张莉 朱家莹 张密林 白续铎 
supported by the National Natural Science Foundation of China (Nos.50872024 and 50903028);Heilongjiang Science and Technology Foundation (No.GB08A401-2);Foundation of Science and Technology Bureau of Heilongjiang (No.QC08C10);Harbin Youth Foundation (No.2005AFQXJ062);China Postdoctoral Science Foundation (No.20070410892)
Si nanoparticles are synthesized at a high rate(400-500 mg/h) using the perpendicular pulsed laser ablation(PPLA) on the silicon target at room temperature in Ar atmosphere.The PPLA method can also be used to obtain S...
关键词:硅纳米颗粒 脉冲激光烧蚀 纳米粒子 惰性气体 垂直 合成 纳米晶薄膜 目标温度 
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