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Null 包大杰1 (1.上海柴油机厂,上海,200432) 摘要: 问:何谓钢铁中全碳量(总碳量)和游离碳?答:碳在钢,铁中主要以化合状态和游离状态存在.在钢中主要以铁的碳化物如:Fe3C,Fe23C6等以及与某些合金元素的碳化物如:Mn3C,WC,TiC,MoC,VC,Cr3C2,Cr6C2等形式存在,统称为化合碳,钢中很少有游离碳.在铁中碳除以化合碳存在外,还以游离状态(石墨碳)存在,而且是主要形式.但是在白口铁中则多以碳化铁(Fe3C)形式存在. [全文内容正在添加中] ......
Controllable synthesis of Tb-based metal-organic frameworks as an efficient fluorescent sensor for Cu2+ detectionCheng-Li Dong1,Ming-Feng Li1,Ting Yang1,Li Feng1,Ying-Wei Ai2,Zhang-Lei Ning1,Meng... quenching by Cu2+ in aqueous solutions.The competitive fluorescence detection experiments indicate that these Tb-MOFs sensors can be used as a high selective and sensitive sensor of Cu2+detection......
Preparation and elements analysis of porous fluorescent glasses ZHU Dong-mei (朱冬梅)1, LUO Fa (罗 发)1, ZHOU Wan-cheng (周万城)1, D. E. DAY2,C. S. RAY2 1. State Key...; Abstract: A large variety of porous fluorescent glasses were prepared and the concentration of different elements in these glasses was analyzed. The start porous......
by 2-nitrophenol, which makes it possible assay 2-nitrophenol by using this sensor. Fig.2 Fluorescent excitation/emission spectra of AEC- immobilized sensor exposed to 2-nitrophenol solutions with different...J. Cent. South Univ. Technol. (2009) 16: 0212-0217 DOI: 10.1007/s11771-009-0036-0 Novel fluorescence sensor based on covalent immobilization of 3-amino-9-ethylcarbazole via electrostatically......
Novel Terbium Chelate Doped Fluorescent Silica Nanoparticles Meng Jianxin1,Liu Yingliang1,Man Shiqing1,Wang Haiming1,Ning Qiaoyu1 (1.Institute of Nano-Chemistry, Department of Chemistry, Jinan University, Guangzhou 510632, China) Abstract:Novel terbium chelate doped silica fluorescent nanoparticles were prepared and characterized.The preparation was carried out in water-in-oil (W/O......
of self-assembled quenched sensor were performed. The fluorescent emission spectra were used to measure the responses of self-assembled quenched fluorescent of ssDNA /SWNTs to different concentration... carbon nanotubes; surfactant; fluorescent sensor; affinity 1 Introduction Surfactants are usually organic compounds that are amphiphilic, meaning that they contain both hydrophobic groups and hydrophilic......
Optimal sensor scheduling for hybrid estimationLIU Jian-liang(刘建良)1, SUN Yao(孙尧)1, YANG Jian(杨建)1, LIU Wei-yi(刘为夷)2, CHEN Wei-min(陈卫民)1(1. School of Information Science and Engineering, Central South University, Changsha 410083, China;2. Qualcomm Inc, Santa Clara 95051, USA)Abstract:A sensor scheduling problem was considered for a class of hybrid systems named as the stochastic linear hybrid......
[23]. MIP-coated UCNPs have been successfully applied as a fluorescent sensor to detect molecular and biomolecular templates. QIAN et al [24] developed a novel sensitive core-shell UCNPs@MIP.... The method can achieve qualitative and quantitative analysis to the target by measuring the fluorescence change. Therefore, it is very significant for the sensitive fluorescent sensor in future......
of fluorescent/magnetic bifunctional starch particles WANG Feng-hua(王凤华)1, LIU Jun(刘俊)1, 2, TANG Dong-ying(唐冬英)1, XUE Chang-gang(薛昌刚)1, XIAO Su-yao(肖苏尧)1, ZHENG Yuan-qing(郑元青)1, TONG Chun-yi(童春义)1, WANG..., the saturation magnetization was 3.64 A·m2/kg. MSP was coated with poly-L-lysine (PLL), and then the surface of PLL-MSP was combined with fluorescein isothiocynate (FITC). Results show that fluorescent......
Delay optimization for planar wireless sensor network with N-policyCHEN Zhi-gang(陈志刚)1, 2, ZHANG De-yu(张德宇)1, CHEN Long(陈龙)2(1. School of Information Science and Engineering, Central South University... to verify the effectiveness and correctness of our analysis.Key words:wireless sensor network; N-policy; delay; energy-efficiency; M/M/1......
