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Estimation of suspended sediment concentration based on bio-optical mechanism and HJ-1 image in Chaohu Lake

Science china Earth sciences 2010年第S1期53卷 58-66页

作者： WANG Qiao1,2.JIN Xin2.LI YunMei2.WU ChuanQing1,Lü Heng2.WANG YanFei2.ZHANG Hong2.YIN Bin2.& ZHU Li1 1Satellite Environment Center,Ministry of Environmental Protection,Beijing 10002.,china 2.ey laboratory of Virtual Geographic Environment of Education Ministry,{2. Normal University,{2. 2.0046,china 1. Satellite Environment Center Ministry of Environmental Protection Beijing 100029 China2. Key Laboratory of Virtual Geographic Environment of Education Ministry Nanjing Normal University Nanjing 210046 China

Synchronization experiment was conducted in June,2.09 to get Inherent optical Properties(IOP) of water component in Chaohu *** bio-optical mechanism was studied combined with multispectral data of Environmental Satellite 1(CCD),and then inversion models of total suspended matter(TSM),inorganic suspended matter(ISM) and organic suspended matter(OSM) concentration were *** data indicated that:the absorption ratio of suspended particulate matter and CDOM to total were almost no change from band 1 to band 2.with about 85% and 9%,*** ratio of pure water to total increased from 0.4% to 5.6%.Water reflectance in these two bands were influenced by absorption of three kinds of components:algae particles absorption surpassed non-algal particles in band 3,and so played an important role in total absorption with about 35.7%;the proportion of pure water absorption and particles matter backscattering both were 99% in band 4,so these two components decided the main inherent optical properties in band *** models of TSM and ISM concentration inversion based on band combination(band 3 + band 4)/(band 1 + band 2. were built,while OSM concentration was estimated by band 4/(band 1 + band 2. *** by image data,RE of TSM concentration between modeled and measured was 33.4%,and RMSE was 18.68 mg/*** of ISM and OSM concentration were 39.9% and 35.2. *** inversion was more accurate when satellite-ground data were just in the same *** this situation,RE of ISM concentration dropped to 2..4%,and that of TSM and OSM reduced to 2..5% and 2..8% as well.

关键词： HJ-1 Satellite bio-optical property Chaohu Lake suspended matter

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In Situ Synthesis of Nanocrystalline Intel-metallic Compound Layer during Surface Mechanical Attrition Treatment of Zirconium

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材料热处理学报 2004年第5期 1242-1246页

作者： SUN Cai-yun', Xffi Ji-jia ', WU Xiao-lei', HONG You-shi', LIU Gang \ LU Jian3, LU Ke2.1. State Key laboratory of Nonlinear Mechanics, Institute of Mechanics, chinese academy of sciences, Beijing 100080, People's Republic of{2. 2. Shenyang National laboratory for Materials sciences, Institute of Metal Research, chinese academy of sciences, Shenyang 110016, People's Republic of{2. 3. LASMIS, University of Technical of Troyes, 10000, Troyes, France

The surface mechanical attrition treatment (SMAT) technique was developed to synthesize a nanocrystalline (NC) layer on the surface of metallic materials for upgrading their overall properties and performance. In this paper, by means of SMAT to a pure zirconium plate at the room temperature, repetitive multidirectional peening of steel shots (composition (wt%): 1C, ***, base Fe) severely deformed the surface layer. A NC surface layer consisting of the intermetallic compound FeCr was fabricated on the surface of the zirconium. The microstructure characterization of the surface layer was performed by using X-ray diffraction analysis, optical microscopy, scanning and transmission electron microscopy observations. The NC surface layer was about 2. urn thick and consisted of the intermetallic compound FeCr with an average grain size of 2.±10 nm. The deformation-induced fast diffusion of Fe and Cr from the steel shots into Zr occurred during SMAT, leading to the formation of intermetallic compound. In addition, the NC surface layer exhibited an ultrahigh nanohardness of 10.2.GPa.

关键词： nanocrystalline intermetallic compound surface layer deformation diffusion

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某些类氖离子和类镍离子等离子体状态对应关系的研究

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物理学报 2003年第9期52卷 2200-2205页

作者：燕飞张杰鲁欣中国科学院物理研究所光物理重点实验室北京100080

利用一维拉格朗日流体动力学程序Med10 3详细研究了产生类镍Ag ,Cd ,In ,Sn,Sb离子和类氖Fe ,Co ,Ni,Cu,Zn离子的等离子体状态 .通过对电子温度、离子丰度、离子数密度等状态参量的分析比较 ,得到了这两类等离子体状态之间的对应关系 .... 详细信息

利用一维拉格朗日流体动力学程序Med10 3详细研究了产生类镍Ag ,Cd ,In ,Sn,Sb离子和类氖Fe ,Co ,Ni,Cu,Zn离子的等离子体状态 .通过对电子温度、离子丰度、离子数密度等状态参量的分析比较 ,得到了这两类等离子体状态之间的对应关系 .即类镍银的等离子体状态与类氖铁的相近 ,类镍镉的与类氖钴的相近 ,依次类推 .

关键词：类氖离子类镍离子等离子体状态对应关系 X射线激光一维拉格朗日流体动力学程序等离子体诊断

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Spectroscopic and photometric observations of unidentified ultraviolet variable objects in the GUVV-2.Catalog

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Research in astronomy and Astrophysics 2011年第7期11卷 833-842页

作者： You Li Jing Wang Jian-Yan Wei Xiang-Tao He Department of astronomy Beijing Normal University Beijing 100875 China National Astronomical Observatories Chinese Academy of Sciences Beijing 100012 China

An NUV-optical diagram composed from sources from the second Galaxy Evolution Explorer（GALEX） Ultraviolet Variability（GUVV-2. Catalog provides us with a method to tentatively classify the unknown GUVV-2.sources by their NUV-optical *** the purpose of testing the correctness and generality of the method,we carry out a program on the spectroscopic observations of the unidentified GUVV-2.*** spectroscopic identification of these 37 sources are 19 type-A to-F stars,10 type-G to-K stars and 7 M dwarf stars together with an *** also present the light curves in the R-band for two RR Lyrae star candidates selected from the NUV-optical diagram,both of which undergo cyclic *** their light curves and colors,we classify them as RR Lyrae *** confirm the re-sults,we show a color-color diagram for the 37 newly identified spectroscopic objects compared with previously identified ones,which are consistent with our previous re-sults,indicating that the ultraviolet variable sources can initially be classified by their NUV/optical color-color diagram.

关键词： stars:variables:general—galaxies:active—methods:observational—ultraviolet emission

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Extended detection range for an optical enzymatic glucose sensor coupling with a novel data-processing method

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Science china Chemistry 2010年第6期53卷 1385-1390页

作者： GUO GuangMei1,WANG XuDong2.ZHOU TingYao2.& CHEN Xi2.1College of sciences,Hebei University of Science and Technology,Shijiazhuang 050018,china 2.epartment of Chemistry,College of Chemistry and Chemical Engineering,Xiamen University Key {2. of Analytical sciences of Xiamen University,Xiamen 361005,china 1. College of sciences Hebei University of Science and Technology Shijiazhuang 050018 China2. Department of Chemistry College of Chemistry and Chemical Engineering Xiamen University Key laboratory of Analytical sciences of Xiamen University Xiamen 361005 China

A new data-processing method was established and applied for optical enzymatic glucose sensing,in which oxygen and glucose were simultaneously *** oxygen level remaining in the detection system,which was equal to the difference between the initial and consumed oxygen concentrations,could be measured using fluorescent oxygen indicators immobilized in the sensing *** was deduced that the ratio of I0 and I was inversely proportional to glucose concentration,where I0 is the maximum fluorescence intensity in various glucose solutions,and I is the fluorescence intensity at various concentrations of *** the new data-processing method,the detection range of the calibration curve method was extended from 0 to 1.2.mmol L-1,which was enlarged about 2.3 folds over that in ordinary *** prepared glucose sensor could be directly applied to detect high concentrations of glucose.

关键词： optical glucose sensor glucose oxidase extended detection range

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MORPHOLOGICAL STUDY ON THE ORIENTED CHITOSAN FILM OBTAINED FROM PRE-SHEARED LIQUID CRYSTALLINE SOLUTION IN DICHLOROACETIC ACID

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chinese Journal of Polymer Science 2001年第4期19卷 385-390页

作者： Zhong-ming Hu Li-heng Wu Da-cheng Wu Shou-xi Chen State Key laboratory of Polymer Physics and Chemistry, Center for Molecular Science, Institute of Chemistry chinese academy of sciences, Beijing 100080,{2.{2. Textile academy Beijing 10002.,{2. Textile College, Sichuan University Chengdu 610065,{2. china Text Acad Beijing 100025 Peoples R China chinese Acad Sci Inst Chem Ctr Mol Sci State Key Lab Polymer Phys & Chem Beijing 100080 Peoples R China Sichuan Univ Coll Text Chengdu 610065 Peoples R China

The oriented chitosan films obtained from pre-sheared liquid crystalline chitosan/dichloroacetic acid (DCA) solutions were studied by means of polarized optical microscopy (POM), scanning electron microscopy (SEM), infra-red dichroism technique and wide angle X-ray diffraction (WAXD). The sheer induced band texture in the film was found to correspond to the sinusoidal fibrillar microstructure along the shearing direction on the basis of POM and SEM observations. The sinusoidal fibril was found to be lying within the film plane. The model of chitosan molecular orientation in the pre-sheared film with band texture can be established assuming that the main chain orients in the shearing direction and the side group is perpendicular to the shearing direction. The WAXD azimuthal scanning at 2.theta = 2. degrees indicates that the (002. plane orients perpendicular to the shearing direction.

关键词： chitosan morphology orientation shear induced band texture liquid crystalline solution

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optical DETERMINATION OF THE PRODUCT ALIGNMENT FOR A SYMMETRIC TOP

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原子与分子物理学报 1998年第S1期15卷 329-331页

作者： Han KeliState Key laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics,chinese {2. of sciences, Dalian china 11602.

Ｔｈｅｅａｒｌｓｔｕｄｙｏｆｃｈｅｍｉｃａｌｒｅａｃｔｉｏｎｄｙｎａｍｉｃｓｈａｓｂｅｅｎｍａｉｎｌｙｆｏｃｕｓｅｄｏｎｔｈｅｍｅａｓｕｒｅｍｅｎｔｏｆｓｃａｌａｒｐｒｏｐｅｒｔｉｅｓｓｕｃｈａｓｒａｔｅｃｏｎｓｔａ...

Ｔｈｅｅａｒｌｓｔｕｄｙｏｆｃｈｅｍｉｃａｌｒｅａｃｔｉｏｎｄｙｎａｍｉｃｓｈａｓｂｅｅｎｍａｉｎｌｙｆｏｃｕｓｅｄｏｎｔｈｅｍｅａｓｕｒｅｍｅｎｔｏｆｓｃａｌａｒｐｒｏｐｅｒｔｉｅｓｓｕｃｈａｓｒａｔｅｃｏｎｓｔａｎｔｓ，ｃｒｏｓｓｅｃｔｉｏｎｓ，...

关键词：

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New Design of High NA Photolithographic Lens Using Diffractive optical Element

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光电工程 1998年第6期 47-51页

作者： Li Zhan, Du Chunlei (State Key laboratory of optical Technology for Microfabrication, Institute of Optics & Electronics,{2., Chengdu, 6102.9)

ＩｎｔｒｏｄｕｃｔｉｏｎＷｉｔｈｔｈｅｒａｐｉｄｄｅｖｅｌｏｐｍｅｎｔｏｆＶＬＳＩｔｅｃｈｎｉｑｕｅｓ，ｔｈｅｃｉｒｃｕｉｔｆｅａｔｕｒｅｓｉｚｅｉｓｂｅｃｏｍｉｎｇｓｍａｌｅｒｇｒａｄｕａｌｙａｎｄｔｈｅｃｕｒｅｎ... 详细信息

ＩｎｔｒｏｄｕｃｔｉｏｎＷｉｔｈｔｈｅｒａｐｉｄｄｅｖｅｌｏｐｍｅｎｔｏｆＶＬＳＩｔｅｃｈｎｉｑｕｅｓ，ｔｈｅｃｉｒｃｕｉｔｆｅａｔｕｒｅｓｉｚｅｉｓｂｅｃｏｍｉｎｇｓｍａｌｅｒｇｒａｄｕａｌｙａｎｄｔｈｅｃｕｒｅｎｔｐｈｏｔｏｌｉｔｈｏｇｒａｐｈｉ...

关键词： Diffractive optical elements Projection objectives Computer aided design Diffraction efficiency.

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Sensitive biosensing strategy based on functional nanomaterials

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Science china Chemistry 2011年第8期54卷 1202-1217页

作者： JU HuangXian State Key laboratory of Analytical Chemistry for Life Science Department of Chemistry, nanjing University, nanjing 2.0093, china 1. State Key laboratory of Analytical Chemistry for Life Science Department of Chemistry Nanjing University Nanjing 210093 China

The first decade of the 2.st century has been labeled as "the sensing decade". The functional nanomaterials offer excellent platforms for fabrication of sensitive biosensing devices, including optical and electronic biosensors. A lot of works have fo- cused on the biofunctionalization of different nanomaterials, such as metal nanoparticles, semiconductor nanoparticles and carbon nanostructures, by physical adsorption, electrostatic binding, specific recognition or covalent coupling. These biofunc- tionalized nanomaterials can be used as catalysts, electronic conductors, optical emitters, carriers or tracers to obtain the ampli- fied detection signal and the stabilized recognition probes or biosensing interface. The designed signal amplification strategies have greatly promoted the development of stable, specific, selective and sensitive biosensors in different fields. This review in- troduces some novel principles and detection strategies in the area of biosensing, based on functional nanomaterials. The gen- eral methods for biofunctionalization of nanomaterials with biomolecules and their biosensing application in immunoassay of protein, DNA detection, carbohydrate analysis and cytosensing are also described.

关键词： nanobiosensing biosensors nanomaterials biofunctionalization signal amplification bioanalysis biological recognition

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Electric Field-induced Conformational Transition of Bovine Serum Albumin from α-helix to β-sheet

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chinese Chemical Letters 2000年第2期11卷 149-152页

作者： Yong Chun ZHU Guang Jin CHENG Shao Jun DONG (laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry,chinese {2. of sciences, Changchun 13002.) chinese Acad Sci Changchun Inst Appl Chem Electroanalyt Chem Lab Changchun 130022 Peoples R China

The irreversible conformational transition of bovine serum albumin (BSA) from α-helix to β-sheet, induced by electric field near the electrode surface, was monitored by circular dichroism (CD) with a long optical pa... 详细信息

关键词： Bovine serum albumin conformational transition circular dichroism.

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