Contents
2014
Volume: 34 Issue 7
58 Article(s)

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Retrieval and Analysis of Atmospheric XCO2 Using Ground-Based Spectral Observation
Xiu-chun QIN, Li-ping LEI, Masahiro Kawasaki, Ohashi Masafumi, Kuroki Takahiro, Zhao-cheng ZENG, and Bing ZHANG
Atmospheric CO2 column concentration (column-averaged dry air mole fractions of atmospheric carbon dioxide) data obtained by ground-based hyperspectral observation is an important source of data for the verification and improvement of the results of CO2 retrieval based on satellite hyperspectral observation. However, f
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1729 (2014)
A Study of the Coupling Relationship Between Concrete Surface Temperature and Concrete Surface Emissivity in Natural Conditions
Lin-ling TANG, Xiao-ling CHEN, Jia-ning WANG, Hong-mei ZHAO, and Qi-ting HUANG
Land surface emissivity (LSE) has already been recognized as a crucial parameter for the determination of land surface temperature (LST). There is an ill-posed problem for the retrieval of LST and LSE. And laboratory-based emissivity is measured in natural constant conditions, which is limited in the application in the
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1736 (2014)
Raman Spectroscopic Quantitative Study of NaCl-CaCl2-H2O System at High Temperatures and Pressures
Jing LI, Shi-de MAO, and Hai-fei ZHENG
Raman spectra features of the ternary system NaCl-CaCl2-H2O under high temperatures and high pressures were systematically studied in the present work by using hydrothermal diamond anvil cell (HDAC) and Raman shifts of quartz to determine pressures, and it has been obtained for the quantitative relationship between Ram
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1747 (2014)
Intensity Loss of Two-Photon Excitation Fluorescence Microscopy Images of Mouse Oocyte Chromosomes
Feng-ying ZHAO, Hong-xin WU, Die-yan CHEN, and Wan-yun MA
As an optical microscope with high resolution, two-photon excitation (TPE) fluorescence microscope is widely used in noninvasive 3D optical imaging of biological samples. Compared with confocal laser scanning microscope, TPE fluorescence microscope provides a deeper detecting depth. In spite of that, the image quality
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1754 (2014)
Time Resolved Distribution of Excitation Energy in Collisions of Vibrationally Excited KH with CO2
Li FENG, Jing LIU, Shu-ying WANG, Wen-jun ZHANG, Jia-ling LI, Kang DAI, and Yi-fan SHEN
The vibrational levels of KH(Х1Σ+ ν″=0~3) were generated in the reaction of K(5P) with H2. The vibrationally excited KH(ν″=17) was populated by an overtone pump-probe configuration. Different characteristics of collisional energy transfer in highly and lowly excited vibrational levels of KH and CO2 were investigated th
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1758 (2014)
A Study on the Relationship between the Composition and Spectral Feature Parameters in Chlorite
Shu-neng LIANG, Fu-ping GAN, Bo-kun YAN, Hong-yan WEI, and Chen-chao XIAO
In order to explore the intrinsic relationship of mineral spectral characteristics and its composition, and provide the basis for the detection of mineral micro information by using hyperspectral technology, based on the thinsection analysis, the authors identified the minerals characteristics and mineral assemblages i
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1763 (2014)
Measurements of CO2 Concentration at High Temperature and Pressure Environments Using Tunable Diode Laser Absorption Spectroscopy
Ting-dong CAI, Guang-zhen GAO, Min-rui WANG, Gui-shi WANG, and Xiao-ming GAO
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1769 (2014)
Research on Spectrum Technology Based on SG-DBR Laser
Jie SHAO, Ye-xing HAN, Jie GUO, Li-ming WANG, Ying HAN, Chao-fu YING, and Yao WANG
Tunable diode laser absorption spectroscopy (TDLAS) is a highly sensitive, highly selective, noninvasive and real-time trace gas detection technique, which has been widely used in atmospheric monitoring and industrial control. In the present research, a new type of widely tunable SG-DBR diode laser (WTDL) with a tunabl
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1774 (2014)
Measurement of Path Transverse Wind Velocity Profile Using Light Forward Scattering Scintillation Correlation Method
Ke-e YUAN, Wei-yu LU, Li-nan ZHENG, Shun-xing HU, Jian HUANG, Kai-fa CAO, and Zhi-hai XU
A new method for path transverse wind velocity survey was introduced by analyzing time lagged covariance function of different separation sub-apertures of Hartmann wavefront sensor. A theoretical formula was logically deduced for the light propagation path transverse wind velocity profile. According to the difference o
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1780 (2014)
Analysis of Heavy Metals Distribution Characteristics and Pollution Assessment in Agricultural Region Soils of Huaihe Basin
Xue XIAO, Nan-jing ZHAO, Jing YUAN, Ming-jun MA, Li FANG, Yin WANG, De-shuo MENG, Yang YU, Jie TANG, Xiao-ling ZHANG, Yuan DAI, Yu-jun ZHANG, Jian-guo LIU, and Wen-qing LIU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1785 (2014)
Effects of Annealing Temperature on the Structure and Optical Properties of ZnMgO Films Prepared by Atom Layer Deposition
Dong-xiao SUN, Jin-hua LI, Xuan FANG, Xin-ying CHEN, Fang FANG, Xue-ying CHU, Zhi-peng WEI, and Xiao-hua WANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1789 (2014)
Research on Spectrum Correction Algorithm of Temperature Measurement System Based on FBG
Zhi-chao LIU, Jin-hua YANG, and Gao WANG
In order to solve the problem that temperature sensor laying is complex and maintenance cost is high in the large-scale, multi-point real-time temperature monitoring process, the temperature monitoring system based on Fiber Bragg Grating was designed and developed. Using wavelength selectivity by optical fiber diffract
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1793 (2014)
Design and Experiment of a Needle-to-Cylinder Electrode Structure Realizing the Negative DC Glow Discharge in Ambient Air
Hua LI, Chang-yan WEI, Chun-xia LIU, Xian-hao SHEN, and Zhen-cheng CHEN
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1797 (2014)
Investigation of Plasma Parameters of the Square Pattern with Two Kinds of Spatiotemporal Symmetry in Dielectric Barrier Discharge
Yong-jie WANG, Li-fang DONG, Long-hu ZHAO, Wei-bo LIU, Xin-pu ZHANG, and Chao ZHANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1801 (2014)
Theory Study of the Structures and IR of (C5H5N)n(H2O)m(n=1~2, m=1~4) Clusters
Xiao-ming LI, Lai-bin ZHANG, Liu-zhu ZHOU, and Xiang-he KONG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1805 (2014)
Hyperspectral Optimum Wavelengths and Fisher Discrimination Analysis to Distinguish Different Concentrations of Aflatoxin on Corn Kernel Surface
Xuan CHU, Wei WANG, Lu-da ZHANG, Lang-hua GUO, Feldner Peggy, and Heitschmidt Gerald
Aflatoxin is a toxic metabolite widely existing in corn. In the present paper, the feasibility of detecting aflatoxin on corn kernel surface by hyperspectral imaging technology was verified. The corn called pioneer with the same shape is provided by Toxicology and Mycotoxin Research Unit. With methanol configuration, f
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1811 (2014)
Spectral Scatter Correction of Coal Samples Based on Quasi-Linear Local Weighted Method
Meng LEI, Ming LI, Xiao-ping MA, Yan-zi MIAO, and Jian-sheng WANG
The present paper puts forth a new spectral correction method based on quasi-linear expression and local weighted function. The first stage of the method is to search 3 quasi-linear expressions to replace the original linear expression in MSC method, such as quadratic, cubic and growth curve expression. Then the local
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1816 (2014)
Rapid Quantitative Analysis of Hydrocarbon Composition of Furfural Extract Oils Using Attenuated Total Reflection Infrared Spectroscopy
Na LI, Hong-fu YUAN, Ai-qin HU, Wei LIU, Chun-feng SONG, Xiao-yu LI, Yi-chang SONG, Qi-jun HE, Sha LIU, and Xiao-xuan XU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1821 (2014)
Application of Near-Infrared Spectroscopy to Distinguish Brands of Soy Milk Powder and Fake Soy Milk Powder
Chu ZHANG, Fei LIU, Wen-wen KONG, and Yong HE
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1826 (2014)
Study on Rapid Identification of Medicinal Plants of Paris Polyphylla from Different Origin Areas by NIR spectroscopy
Yan-li ZHAO, Ji ZHANG, Tian-jun YUAN, Tao SHEN, Ying HOU, Shi-hua YANG, Wei LI, Yuan-zhong WANG, and Hang JIN
Based on near infrared spectroscopy, seventy samples of wild medicinal plants of paris polyphylla from Guizhou, Guangxi and Yunnan Provinces were collected to identify their geographical origins. Multiplication signal correction (MSC), standard normal variate (SNV), first derivative (FD), second derivative (SD), savitz
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1831 (2014)
The Spectral Characteristic Wavelength Selection and Parameter Optimization Based on Tikhonov Regularization
An-xin ZHAO, Xiao-jun TANG, Zhong-hua ZHANG, and Jun-hua LIU
In the multicomponent mixture hydrocarbon gases Fourier transform infrared (FTIR) quantitative analysis, especially for light alkane gases, it is not easy to establish the quantitative analysis model because their IR spectra absorption peaks are seriously overlapped. Aiming at this problem, the Tikhonov regularization
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1836 (2014)
Identification of Chinese Herbal Medicines Based on Terahertz Spectroscopy Analysis
Yong-jun ZHOU, Jin-song LIU, Ke-jia WANG, Zhen-gang YANG, and Hui ZHANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1840 (2014)
Protein Content Determination of Shiitake Mushroom (Lentinus edodes) Using Mid-Infrared Spectroscopy and Chemometeics
Zhe-yan ZHU, Fei LIU, Chu ZHANG, Wen-wen KONG, and Yong HE
The feasibility of protein determination of shiitake mushroom (Lentinus edodes) using mid-infrared spectroscopy (MIR) was studied in the present paper. Wavenumbers 3 581~689 cm-1 were used for quantitative analysis of protein content after removing of the part of obvious noises. Five points Savitzky-Golay smoothing was
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1844 (2014)
Study on Panax Notoginseng and Its Processed Products by FTIR Spectroscopy
Dong-lan HUANG, Xiao-kang CHEN, Yong-qun XU, Su-qin SUN, and Wen-guan LU
The chemical differences of panax notoginseng before and after processing were analyzed by Fourier transform Infrared spectroscopy (FTIR) combined with two-dimensionalcorrelation spectroscopy (2D-IR). Compared with conventional IR spectra of the samples, the FTIR spectra of panax notoginseng and its processed products
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1849 (2014)
Detection of Puccinia striiformis f. sp. tritici Latent Infections in Wheat Leaves Using Near Infrared Spectroscopy Technology
Xiao-long LI, Zhan-hong MA, Long-lian ZHAO, Jun-hui LI, and Hai-guang WANG
To realize the early detection of P. striiformis f. sp. tritici latent infections in wheat leaves while no disease symptoms appear, a qualitative model for identification of the wheat leaves in the incubation period of stripe rust was built using near infrared reflectance spectroscopy (NIRS) technology combined with qu
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1853 (2014)
Application of Surface-Enhanced Raman Spectroscopy to the Determination of Trace Chemical Hazards in Food Products
Yu-xia FAN, Ke-qiang LAI, and Yi-qun HUANG
In the present review, we summarized the research progress in applying SERS for the determination of illegal food additives, residual pesticides, banned or restricted antibiotics and other drugs. The nanosubstrates used in these studies included, but were not limited to, gold and silver nanosphere colloids, solid surfa
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1859 (2014)
Rapid Detection of Chlorinated Organic Mixture by Laser Raman Spectroscopy
Jing MA
In order to realize the rapid, nondestructive detection of organic compounds, a two-dimensional analysis method based on technology of laser Raman spectroscopy was proposed. The results show that using 532 nm laser as excitation light source, the observation of 236.2, 348.9, 449.4 and 513.6 cm-1, the four vibrational R
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1865 (2014)
Effect of Temperature on the Structure of CaO-MgO-Al2O3-SiO2 Nanocrystalline Glass-Ceramics Studied by Raman Spectroscopy
Bao-wei LI, Shun-li OUYANG, Xue-feng ZHANG, Xiao-lin JIA, Lei-bo DENG, and Fang LIU
In the present paper, nanocrystalline glass-ceramic of CaO-MgO-Al2O3-SiO2 system was produced by melting method. The CaO-MgO-Al2O3-SiO2 nanocrystalline glass-ceramic was measured by Raman spectroscopy in the temperature range from -190 to 310 ℃ in order to study the effect of temperature on the structure of this system
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1869 (2014)
A Review of Atmospheric Aerosol Research by Using Polarization Remote Sensing
Hong GUO, Xing-fa GU, Dong-hai XIE, Tao YU, and Qing-yan MENG
In the present paper, aerosol research by using polarization remote sensing in last two decades (1993—2013) was reviewed, including aerosol researches based on POLDER/PARASOL, APS(Aerosol Polarimetry Sensor), Polarized Airborne camera and Ground-based measurements. We emphasize the following three aspects: (1)The retri
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1873 (2014)
Determination of Chemical Rank of Three-Dimensional Fluorescence Spectra Using Mathematical Morphology Method
Xiao-ya YU, Yu-jun ZHANG, Gao-fang YIN, Xue XIAO, Nan-jing ZHAO, and Wen-qing LIU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1881 (2014)
Quantitative Detection of Hydroxyl Radical Generated in Quartz Powder/Phosphate Buffer Solution System by Fluorescence Spectrophotometry
Li-zhu LIU, Fa-qin DONG, Shi-yong SUN, Xiao-chun HE, and Ming-cui WANG
Quartz powder would release radical hydroxyl in phosphate buffer solution. In order to detect the quantity of radical hydroxyl with a quite low concentration, the present paper established a fluorescence method. According to the relationship between the concentration of 2-hydroxyl of terephthalic acid (HOTP) and fluore
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1886 (2014)
Ultraviolet Spectroscopic Study on the Fine Structures in the Solar Polar Hole
Min ZHANG, Dong WANG, and Guo-hong LIU
Fine structures in the south solar polar coronal hole were observed by N Ⅳ line of SOHO/SUMER spectrograph. The scales of the fine structures range spatially range from 1 arcsec to several arcsecs, temporally from 1 min to several minutes, and parts of them are in strip shape along the slit direction. The line-of-sight
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1890 (2014)
Simulation of Atmospheric Temperature and Moisture Profiles Retrieval from CrIS Observations
Peng-fei MA, Liang-fu CHEN, Jin-hua TAO, Lin SU, Ming-hui TAO, Zi-feng WANG, Ming-min ZOU, and Ying ZHANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1894 (2014)
Research on Monitoring Land Subsidence in Beijing Plain Area Using PS-InSAR Technology
Zhao-qin GU, Hui-li GONG, You-quan ZHANG, Xue-hui LU, Sa WANG, Rong WANG, and Huan-huan LIU
In the present paper, the authors use permanent scatterers synthetic aperture radar interferometry (PS-InSAR) technique and 29 acquisitions by Envisat during 2003 to 2009 to monitor and analyze the spatial-temporal distribution and mechanism characterize of land subsidence in Beijing plain area. The results show that s
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1898 (2014)
Observations of Spectral Data and Characteristics Analysis of Snow-Bare Soil Mixed Pixel Generated by Micro-Simulation
Yan LIU, and Yang LI
To explore the differences of mixed-pixel in spectral mixing mechanism at micro-and macro -scale, the micro- simulation of snow-bare soil mixed pixel was taken as the object of study in an artificial test environment. Reflectance spectra of mixed pixel and snow, bare soil endmember with different area ratio were collec
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1903 (2014)
Real-Time Automatic Cloud Detection during the Process of Taking Aerial Photographs
Xian-jun GAO, You-chuan WAN, Shun-yi ZHENG, and Yuan-wei YANG
The present paper adopted a method based on the spectrum signatures with thresholds to detect cloud. Through analyzing the characteristic in the aspect of spectrum signatures of cloud, two effective signatures were explored, one was brightness signature I and the other was normalized difference signature P. Combined wi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1909 (2014)
Study on Transient Absorption Spectrum of Tungsten Nanoparticle with HepG2 Tumor Cell
Lin CAO, Xiao-ning SHU, Dong LIANG, and Cong WANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1914 (2014)
Winter Wheat GPC Estimation Based on Leaf and Canopy Chlorophyll Parameters
Xiao-yu SONG, Ji-hua WANG, Gui-jun YANG, Bei CUI, and Hong CHANG
The present study focused on the wheat harvest grain protein content (GPC) estimation based on wheat leaf and canopy chlorophyll parameters, SPAD and SFR, which were acquired by two hand-held instruments, SPAD and Multiplex 3. The wheat GPC estimate experiment was applied on a wheat field of the Scientific Observation
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1917 (2014)
Estimation of Organic Matter Content of North Fluvo-Aquic Soil Based on the Coupling Model of Wavelet Transform and Partial Least Squares
Yan-cang WANG, Gui-jun YANG, Jin-shan ZHU, Xiao-he GU, Peng XU, and Qin-hong LIAO
For improving the estimation accuracy of soil organic matter content of the north fluvo-aquic soil, wavelet transform technology is introduced. The soil samples were collected from Tongzhou district and Shunyi district in Beijing city. And the data source is from soil hyperspectral data obtained under laboratory condit
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1922 (2014)
Automatic Houses Detection with Color Aerial Images Based on Image Segmentation
Pei-pei HE, You-chuan WAN, Peng-rui JIANG, Xian-jun GAO, and Jia-xin QIN
In order to achieve housing automatic detection from high-resolution aerial imagery, the present paper utilized the color information and spectral characteristics of the roofing material, with the image segmentation theory, to study the housing automatic detection method. Firstly, This method proposed in this paper con
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1927 (2014)
Quantitative Estimation of Glycyrrhizic Acid and Liquiritin Contents Using In-Situ Canopy Spectroscopy
Ling DING, Hong-yi LI, and Xue-wen ZHANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1933 (2014)
Visualization of the Chilling Storage Time for Turbot Flesh Based on Hyperspectral Imaging Technique
Feng-le ZHU, Hai-liang ZHANG, Yong-ni SHAO, and Yong HE
This study proposed a new method using visible and near infrared (Vis/NIR) hyperspectral imaging for the detection and visualization of the chilling storage time for turbot flesh rapid and nondestructively. A total of 160 fish samples with 8 different storage days were collected for hyperspectral image scanning, and me
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1938 (2014)
Comparative Investigation of Locust’s Phototactic Visual Spectrum Effect and Phototactic Response to Spectral Illumination
Qi-hang LIU, and Qiang ZHOU
To provide theoretical support for determining locust’s phototactic spectrum, and explore locust’s phototactic mechanism stimulated by light, utilizing AvaSpec fiber-optic spectrometer system and AvaLight-DHS, the investigation of locust’s phototactic visual spectrum effect after light energy stimulated locst’s vision
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1943 (2014)
Study on the Soil Salinization Monitoring Based on Measured Hyperspectral and HSI Data
Lei LEI, Tashpolat TIYIP, Jian-li DING, Hong-nan JIANG, and Ardak KELIMU
The present paper selects the Kuqa Oasis as the study area, studies spectrum characteristics of soil salinity, and establishes soil spectrum library. Through transforming and analyzing varying degrees of soil salinization reflectance spectra data in the typical study area, and selecting the most sensitive spectral band
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1948 (2014)
Quantitative Analysis of Cu in Water by Collinear DP-LIBS
Mei-lan ZHENG, Ming-yin YAO, Tian-bing CHEN, Yong-zeng LIN, Wen-bing LI, and Mu-hua LIU
The purpose of this research is to study the influence of double pulse laser induced breakdown spectroscopy (DP-LIBS) on the sensitivity of Cu in water. The water solution of Cu was tested by collinear DP-LIBS in this article. The results show that spectral intensity of Cu can be enhanced obviously by DP-LIBS, compared
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1954 (2014)
Indirect Determination of Rare Earth Elements in Chinese Herbal Medicines by Hydride Generation-Atomic Fluorescence Spectrometry
Chao ZENG, Jian-ping LU, Min-hua XUE, Fang-wei TAN, and Xiao-yan WU
Based on their similarity in chemical properties, rare earth elements were able to form stable coordinated compounds with arsenazo Ⅲ which were extractable into butanol in the presence of diphenylguanidine. The butanol was removed under reduced pressure distillation; the residue was dissolved with diluted hydrochloric
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1959 (2014)
Analysis of XRD Spectral Characteristics of Soil Clay Mineral in Two Typical Cultivated Soils
Zhi-dan ZHANG, Xiang-li LUO, Hai-chao JIANG, Qiao LI, Cong-ying SHEN, Hang LIU, Ya-juan ZHOU, Lan-po ZHAO, and Ji-hong WANG
The present paper took black soil and chernozem, the typical cultivated soil in major grain producing area of Northeast, as the study object, and determinated the soil particle composition characteristics of two cultivated soils under the same climate and location. Then XRD was used to study the composition and differe
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1963 (2014)
An Automatic Peak Detection Method for LIBS Spectrum Based on Continuous Wavelet Transform
Peng-fei CHEN, Di TIAN, Shu-jun QIAO, and Guang YANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1969 (2014)
Compensation-Fitting Extraction of Dynamic Spectrum Based on Least Squares Method
Ling LIN, Ruo-nan WU, Yong-cheng LI, Mei ZHOU, and Gang LI
Extraction method for dynamic spectrum (DS) with a high signal to noise ratio is a key to achieving high-precision noninvasive detection of blood components. In order to further improve the accuracy and speed of DS extraction, linear similarity between photoelectric plethysmographys (PPG) at each two different waveleng
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1973 (2014)
Study on the Discharge Properties of Xeon Flash Lamp and Experimental Measurement
You-quan ZHAO, Pei-liang MIAO, Feng HE, Jian GU, and Rui-wei ZHAI
The Xenon flash lamp is a new type of light source for analytical instrument. The present paper analyzed the discharge process of xenon flash lamp, presented the discharge test system, and conducted experimental measurement of the voltage, current and optical pulse signal in the process of discharge. The results show t
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1978 (2014)
The Hyperspectral Camera Side-Scan Geometric Imaging in Any Direction Considering the Spectral Mixing
Shu-min WANG, Ai-wu ZHANG, Shao-xing HU, and Wei-dong SUN
In order to correct the image distortion in the hyperspectral camera side-scan geometric Imaging, the image pixel geo-referenced algorithm was deduced in detail in the present paper, which is suitable to the linear push-broom camera side-scan imaging on the ground in any direction. It takes the orientation of objects i
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1983 (2014)
Manufacture Tolerance Analysis of Solid Mach-Zehnder Interferometer in Large Aperture Static Imaging Spectrometer (LASIS)
Qing LIU, Jin-song ZHOU, Yun-feng NIE, and Qun-bo LU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 2000 (2014)
Wavelength Selection of the Oximetry Based on Test Analysis of Variance
Ling LIN, Wei LI, Rui-li ZENG, Rui-an LIU, Gang LI, and Xiao-rong WU
In order to improve the precision and reliability of the spectral measurement of blood oxygen saturation, and enhance the validity of the measurement, the method of test analysis of variance was employed. Preferred wavelength combination was selected by the analysis of the distribution of the coefficient of oximetry at
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 2005 (2014)
The Technology of Fast Spectral Reconstruction in the Longer Optical Path Difference PEM-FTS
Min-juan ZHANG, Zhao-ba WANG, Zhi-bin WANG, Xiao LI, Shi-wei LI, and Jin-hua LI
The optical path difference of the photoelastic modulator Fourier transform spectrometers(PEM-FTS) changes rapidly and nonlinearly, while the instrument preserves the speed as high as about 105 interferograms per second, so that the interferograms of PEM-FTS are sampled by equal interval. In order to fleetly and accura
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 2010 (2014)
[in Chinese]
[in Chinese]
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 7 1 (2014)