Contents
2014
Volume: 34 Issue 2
57 Article(s)

Export citation format
A Comparative Analysis of the Passive Electric Probe Detection and Spectrum Diagnosis of Laser-Induced Plasma
Tong LIU, Li-jun YANG, Li-jun WANG, and Lang-ping WANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 289 (2014)
A Spectral Scanning Filtering Method for Improving the SNR of Chirped Pulse Based on the Photorefractive Effect
Rong YE, Bin ZHANG, Bing ZENG, Nian-chun SUN, Zhan SUI, and Zai-ru MA
Based on the principle of spectral scanning filtering method, a new scanning filtering method for improving signal-to-noise ratio (SNR) of the chirped pulse by using the photorefractive effect was proposed and theoretically analyzed. For the scanning filtering implement of Fabry-Perot (F-P) etalon with a built-in photo
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 293 (2014)
Variations in Toxic Metal Levels of Two Fish Species, Pomatomus saltatrix and Dicentrarchus labrax, and Risk Estimation for Children
Yaman Mehmet, and Yaman Ibrahim H
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 300 (2014)
Study on Spectral Line Profile of Volume Discharge and Surface Discharge in Dielectric Barrier Discharge
Li-fang DONG, Long-hu ZHAO, Yong-jie WANG, and Ye-nan GAO
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 308 (2014)
The Influence of Temperature on the Orientation of Pigments in PSⅡ
Li-ping LU, Liang-shu WEI, Xiao-sen LUO, Xiao-wu NI, and Jian LU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 312 (2014)
Study on the Safety of Blue Light Leak of LED
Chong-yu SHEN, Zheng XU, Su-ling ZHAO, and Qing-yu HUANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 316 (2014)
Effect of Spacer on Red and Green Phosphorescent Organic Light-Emitting Devices
Wei ZHANG, Fang-hui ZHANG, and Jin HUANG
We have investigated the performances of organic light-emitting diodes (OLED) with different spacer, the structure was fabricated as ITO/MoO3(40 nm)/NPB(40 nm)/TCTA(10 nm)/CBP∶GIr114%∶R-4B2%(30 nm)/spacer (3 nm)/ CBP∶GIr114%∶R-4B2%(30 nm)/BCP(10 nm)/Alq3(40 nm)/LiF(1 nm)/Al(100 nm), the spacers were CBP, TCTA, TPBI and
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 322 (2014)
The Electroluminescence Spectra of InGaN/GaN Blue LEDs During Aging Time
Shuang DAI, Tong-jun YU, Xing-bin LI, Gang-cheng YUAN, and Hui-min LU
The luminescence spectra of InGaN/GaN multiple quantum wells light-emitting diodes under low level injection current (<4 mA) during aging process was investigated for the first time. Comparing the electroluminescence (EL) spectra of LEDs before and after aging time it was found that the peak wavelength and the full
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 327 (2014)
Silicon Nanocrystals Doping and Surface Modification
Nian-bo ZHANG, Jin-xiu TIAN, Wei LI, Li-li WU, Bing LI, Jing-quan ZHANG, Liang-huan FENG, and Ming XU
Using the first-principles method based on density functional theory, at the generalized gradient approximation (GGA), the state density, the change of binding energy and the energy gap of the silicon nanocrystals (Si75H76) with the circumstances of boron (B)-doped , phosphorus (P)-doped and the surface modification wi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 331 (2014)
Technique Progress of High-Precision Gas Absorption Spectroscopy with Femtosecond Optical Frequency Comb
Hong-lei YANG, Hao-yun WEI, Yan LI, Li-bing REN, and Hong-yuan ZHANG
Femtosecond optical frequency comb, with large spectral range, narrow pulse width, high stability of frequency and many other remarkable properties, has a significant impact on optical frequency metrology, absolute distance measurement and high-precision spectroscopy. The time-domain and frequency-domain properties of
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 335 (2014)
Applications and Progress of Fourier Transform Infrared Spectroscopic Microimaging in Bone Disease Research
Jian-hua YIN, Feng-ling HUANG, Zhi-yu QIAN, and Jie-ru XIE
Fourier transform infrared spectroscopy (FTIRS) and microimaging technique have been integrated together to evolve into Fourier transform infrared spectroscopic imaging (FTIRI) system. This system can provide not only the morphological information of the sample by visible image and FTIR image, but also the abundant inf
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 340 (2014)
Analysis of Leave FTIR of Nine Kinds of Plants from Rosaceae with Genetic Relationship
Lu QIU, Xiao-yong LI, Peng LIU, Shu-guo FAN, Mei-hua XIE, Ren-ming LIU, Lin-zong ZHOU, and Jing WANG
Leaves of nine kinds of plants from three subfamily of Rosaceae were used as materials. Genetic relationship was analyzed and species were identified through studying FTIR of nine kinds of plants. Leaves mainly contain large amounts of carbohydrates, proteins, lipids, nucleic acids and other substances. The peaks of ca
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 344 (2014)
Study on Predicting Total Acid Content and Soluble Sugar of Tomato Juice by Near Infrared Optical Fiber Spectrometer Technique
Bing-fang ZHANG, Li-bo YUAN, and Bing-xiu ZHANG
In order to explore a simple, rapid and efficient tomato quality detection method, in the present experiment near infrared spectroscopy and optical fiber sensing technology were applied to quickly measure the nutrition ingredient content in tomato juice samples. The main instrument used in this experiment was near infr
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 350 (2014)
IFTIR Study on the Micro-Structure in the Construction Process of Water-Borne Coatings
Hang CHEN, Wen LUO, Xue-song GUAN, Hong-jian LI, Rui TAN, and Wen-xuan YIN
borne paint was studied in the article in which the solvent water was regarded as a variable factor. A series of paint samples with different percentage of water were configured before observing their storage performance and microstructures by using Fourier-transform infrared (FTIR) ATR (attenuated total reflection) sp
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 354 (2014)
Spectral Characterization for Capsanthin Molecule with in Vitro Oxidative Defense Reaction
Wen-yu ZHENG, Zhu-hong DING, and Hai LIU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 358 (2014)
Progress in Retrieving Land Surface Temperature for the Cloud-Covered Pixels from Thermal Infrared Remote Sensing Data
Yi ZHOU, Zhi-hao QIN, and Gang BAO
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 364 (2014)
Determination of the Content of Sulfur of Coal by the Infrared Absorption Method with High Acccuracy
Hai-feng WANG, Hai LU, Jia LI, Guo-hua SUN, Jun WANG, and Xin-hua DAI
The present paper reported the differential scanning calorimetry-thermogravimetry curves and the infrared (IR) absorption spectrometry under the temperature program analyzed by the combined simultaneous thermal analysis-IR spectrometer. The gas products of coal were identified by the IR spectrometry. This paper emphasi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 370 (2014)
Analysis and Identification of Poria Cocos Peels Harvested form Different Producing Areas by FTIR and 2D-IR Correlation Spectroscopy
Fang MA, Fang ZHANG, Jin TANG, Ping CHEN, Jian-bo CHEN, Qun ZHOU, and Su-qin SUN
Different geographical regions of traditional Chinese medicine (TCM), its chemical composition is different, the accumulation of drug and medicinal properties is different. The accurate identification and analysis of different production area of medicinal herbs is critical for the quality control and pharmacological re
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 376 (2014)
Non-Destructive Brand Identification of Car Wax Using Visible and Near-Infrared Spectroscopy
Yu ZHANG, Li-hong TAN, and Yong HE
Visible and near-infrared (Vis-NIR) spectroscopy was applied to identify brands of car wax. A total of 104 samples were obtained for the analysis, in which 40 samples (calibration set) were used for model calibration, and the remaining 64 samples (prediction set) were used to validate the calibrated model independently
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 381 (2014)
Detection of Chlorophyll Content in Water Body Based on Two-Dimensional Correlation Spectroscopy
Yao ZHANG, Li-hua ZHENG, Hong SUN, and Min-zan LI
Twenty five samples were collected from 10 different ponds in Jiangsu Province of China. According to the different water status and surface area of each pond, different numbers of water samples were collected. The present paper aims to detect chlorophyll content in water body based on hyperspectrum. The visible and ne
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 389 (2014)
Research on the Temperature Field Detection Method of Hot Forging Based on Long-Wavelength Infrared Spectrum
Yu-cun ZHANG, Bin WEI, and Xian-bin FU
A temperature field detection method based on long-wavelength infrared spectrum for hot forging is proposed in the present paper. This method combines primary spectrum pyrometry and three-stage FP-cavity LCTF. By optimizing the solutions of three group nonlinear equations in the mathematical model of temperature detect
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 394 (2014)
Determination of the Carboxyl Content of Oxidized Starch by Fourier Transform Infrared (FTIR) Spectroscopy
Long-long DING, Yan-hua ZHANG, Ji-you GU, Hai-yan TAN, and Li-bin ZHU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 401 (2014)
Raman and Infrared Spectra of Non-Stoichiometry Uranium Oxides
Jun-bo Lv, Gan LI, and Shu-lan GUO
Both of Raman and infrared spectra of seven non-stoichiometry and threestoichiometry uranium oxides, including UO2, U3O7 and UO2+x(0<x<0.66), are presented and discussed. The spectra of UO2+x in the stoichiometry range, U3O7 to U3O8, were first obtained and reported. Three typical peaks were observed at 445, 578 and 1
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 405 (2014)
Raman and DSC Spectroscopic Studies on the Interaction between Ginsenosides and DMPC Bilayer Membranes
Ge HUI, Yu ZHAO, Jing-zhou ZHANG, Wei LIU, Hong-dong LI, and Bing ZHAO
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 410 (2014)
Raman Spectra Characteristics of Alunite in the Zijinshan Gold-Copper Deposit
Cui-zhi WANG, and Xin XIONG
The Zijinshan gold-copper deposit is the first one of high sulfidation epithermal hydrothermal deposits. The gold bodies up, and the copper bodies down. The gold bodies mainly occur above the ground water table associated with strong silicification, and the copper bodies mainly occur below the ground water table associ
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 415 (2014)
Density Functional Theory Study of Surface-Enhanced Raman Spectra and Excited State of 1,4-Benzenedithiol
Yang-fan SHAO, Chong-yang LI, Yuan-ming FENG, and Wang LIN
Raman scattering spectra and optimized geometries of the 1,4-benzenedithiol molecule and complexes have been calculated using density functional theory (DFT) with B3LYP functional at the level of 6-311G+(d) basis set for C,H,S atoms and LanL2DZ for Ag, Au atoms, respectively. The optimized 1,4-benzenedithiol molecule w
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 421 (2014)
Combined Use of Infrared and Raman Spectra in the Characterization of Orthoclase under Various Hydrostatic Pressures
Rui LIU, Zhi-hua WANG, Qiang XU, Na YU, and Miao-cong CAO
Colorless and pink orthoclase from Balikun granite body, East Zhunger in Xinjiang, served as the samples for the research on hydrostatic pressure experiment. The in-situ hydrostatic pressure test for orthoclases was conducted at the room temperature and pressures from 100 to 600 MPa using cubic zirconia anvil cell, wit
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 426 (2014)
Research on the Surface-Enhanced Raman Spectrum of Sodium Sulfide Nonahydrate and Its Application in Monosodium Glutamate Detecting
Bao-shen JIA, Wuliji Hasi, Xiang LIN, Fang YANG, and Zhi-wei Lv
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 431 (2014)
Application of Raman Spectroscopy to the Research on Hemoglobin Structure and Function
Ming-zi LU, Yan-jun GUO, Lian ZHAO, and Hong ZHOU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 439 (2014)
Mn2+-CTMAB-Sensitized Fluorescent Microscopic Determination of Tosufloxacin Tosylate Based on a Self-Ordered Ring
Feng-yu DENG, Chun-xiu HUANG, and Ying LIU
With the development of antimicrobial drugs, drug residue in animal products has a serious potential hazards for the environment and public health, it is urgent to set up drug residue detection method with low detection limit and good selectivity. In our paper, with poly (vinyl alcohol)-124 (PVA-124) and NH3-NH4Cl (pH
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 445 (2014)
Analysis of Dissolved Organic Matters in Fu River of Baoding Using Three Dimensional Fluorescence Excitation-Emission Matrix
Jing-mei TANG, Shu-xuan LIANG, Han-wen SUN, Shan LIU, and Li-hua WANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 450 (2014)
Change in Soil Enzymes Activities after Adding Biochar or Straw by Fluorescent Microplate Method
Yu-lan ZHANG, Li-jun CHEN, Zheng-hu DUAN, Zhi-jie WU, Cai-xia SUN, and Jun-yu WANG
The present work was aimed to study soil α-glucosidase and β-glucosidase activities of and red soils based on fluorescence detection method combined with 96 microplates with TECAN Infinite 200 Multi-Mode Microplate Reader. We added biochar or straw (2.5 g air dry sample/50g air dry soil sample) into and red soils and t
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 455 (2014)
Photocatalytic Degradation of Imidacloprid by Composite Catalysts H3PW12O40/La-N-TiO2 under Visible Light
Xia LIU, Gang XU, and Chang-gen FENG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 460 (2014)
An Automatic Extraction Algorithm for Individual Tree Crown Projection Area and Volume Based on 3D Point Cloud Data
Wei-heng XU, Zhong-ke FENG, Zhi-fang SU, Hui XU, You-quan JIAO, and Ou DENG
Tree crown projection area and crown volume are the important parameters for the estimation of biomass, tridimensional green biomass and other forestry science applications. Using conventional measurements of tree crown projection area and crown volume will produce a large area of errors in the view of practical situat
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 465 (2014)
Estimation of Water Clarity in Offshore Marine Areas Based on Modified Semi-Analysis Spectra Model
Liu-sheng HAN, Shui-sen CHEN, Xiu-zhi CHEN, Dan LI, Yong LI, Lin SUN, Chu-qian LU, and Wei-qi CHEN
The main objectives of the research described in the present paper are to develop a semi-analysis model of water clarity for case 2 waters without inputting the absorption and scattering coefficient, which are not easy to be obtained for offshore marine areas so far. Based on the Zsd(Secchi depth)inversion theory, a si
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 477 (2014)
Mechanism of Gold Solid Extraction from Aurocyanide Solution Using D3520 Resin Impregnated with TRPO
Xiang-jun YANG, Shi-xiong WANG, An-qin ZOU, Jing CHEN, and Hong GUO
Trialkyphosphine oxides (TRPO) was successfully used for the impregnation of D3520 resin to prepare an extractant-impregnated resin (EIR). Solid extraction of Au(Ⅰ) from alkaline cyanide solution was studied using this extractant-impregnated resin (EIR), with addition of cetyltrimethylammonium bromide (CTMAB), directly
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 483 (2014)
Research on Universality of Least Squares Support Vector Machine Method for Estimating Leaf Area Index of Winter Wheat
Qiao-yun XIE, Wen-jiang HUANG, Dong LIANG, Dai-liang PENG, Lin-sheng HUANG, Xiao-yu SONG, Dong-yan ZHANG, and Gui-jun YANG
Leaf area index (LAI) is one of the most important parameters for evaluating winter wheat growth status and forecasting its yield. Hyperspectral remote sensing is a new technical approach that can be used to acquire the instant information of vegetation LAI at large scale. This study aims to explore the capability of l
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 489 (2014)
The Net Analyte Preprocessing Combined with Radial Basis Partial Least Squares Regression Applied in Noninvasive Measurement of Blood Glucose
Qing-bo LI, and Zheng-wei HUANG
In order to improve the prediction accuracy of quantitative analysis model in the near-infrared spectroscopy of blood glucose, this paper, by combining net analyte preprocessing(NAP) algorithm and radial basis functions partial least squares(RBFPLS) regression, builds a nonlinear model building method which is suitable
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 494 (2014)
Research on Fast Fourier Transforms Algorithm of Huge Remote Sensing Image Technology with GPU and Partitioning Technology
Xue YANG, Xue-you LI, Jia-guo LI, Jun MA, Li ZHANG, Jan YANG, and Quan-ye DU
Fast Fourier transforms (FFT) is a basic approach to remote sensing image processing. With the improvement of capacity of remote sensing image capture with the features of hyperspectrum, high spatial resolution and high temporal resolution, how to use FFT technology to efficiently process huge remote sensing image beco
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 498 (2014)
An Accurate Approach to Hyperspectral Mineral Identification Based on Naive Bayesian Classification Model
Jin-xin HE, Sheng-bo CHEN, Yang WANG, and Yan-fan WU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 505 (2014)
Comparative Study on Hyperspectral Inversion Accuracy of Soil Salt Content and Electrical Conductivity
Jie PENG, Jia-qiang WANG, Hong-ying XIANG, Hong-fen TENG, Wei-yang LIU, Chun-ming CHI, Jian-long NIU, Yan GUO, and Zhou SHI
The objective of the present article is to ascertain the mechanism of hyperspectral remote sensing monitoring for soil salinization, which is of great importance for improving the accuracy of hyperspectral remote sensing monitoring. Paddy soils in Wensu, Hetian and Baicheng counties of the southern Xinjiang were select
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 510 (2014)
Phenology of Forest Vegetation in Northeast of China in Ten Years Using Remote Sensing
Xue-hui HOU, Zheng NIU, and Shuai GAO
Plant phenology is the best indicator of terrestrial ecosystem response to climate change and it becomes a hot issue in the study of global change. The forest in northeast of China plays an important part in global forest ecosystem. In this paper, yearly integrated Normalized Difference Vegetation Index (NDVI) of fores
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 515 (2014)
Land Salinization Information Extraction Method Based on HSI Hyperspectral and TM Imagery
Jin LI, Geng-xing ZHAO, Chun-yan CHANG, and Hai-teng LIU
This paper chose the typical salinization area in Kenli County of the Yellow River Delta as the study area, selected HJ-1A satellite HSI image at March 15, 2011 and TM image at March 22, 2011 as source of information, and pre-processed these data by image cropping, geometric correction and atmospheric correction. Spect
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 520 (2014)
An Improved Classification Approach Based on Spatial and Spectral Features for Hyperspectral Data
Na LI, Yong-jie LI, Hui-jie ZHAO, and Yang CAO
The spatial correlativity and spectral information are not applied synchronously in the classification model of hyperspectral data. To solve this problem, an improved classification approach based on Markov random field (MRF) theory is proposed in our work. The MRF model based on maximum a posteriori is applied to comb
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 526 (2014)
Study on Identification the Crack Feature of Fresh Jujube Using Hyperspectral Imaging
Ke-qiang YU, Yan-ru ZHAO, Xiao-li LI, Shu-juan ZHANG, and Yong HE
Crack is one of the most important indicators to evaluate the quality of fresh jujube. Crack not only accelerates the decay of fresh jujube, but also diminishes the shelf life and reduces the economic value severely. In this study, the potential of hyperspectral imaging covered the range of 380~1 030 nm was evaluated f
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 532 (2014)
Using Atomic Fluorescence Spectrometry to Study the Spatial Distribution of As and Hg in Orchard Soils
Xi-mei ZHAO, Chun-yan Lv, Qing LIU, and Xi-cun ZHU
Aqua regia digestion, double channels-atomic fluorescence spectrometry method was used to determine the concentrations of As and Hg in orchard soils of Qixia City - the main apple production area of Shandong province. Validate The detection limitation, accuracy and precision of the method were validated, the spatial di
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 538 (2014)
Quantitative Analysis of Alloy Steel Based on Laser Induced Breakdown Spectroscopy with Partial Least Squares Method
Zhi-bo CONG, Lan-xiang SUN, Yong XIN, Yang LI, Li-feng QI, and Zhi-jia YANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 542 (2014)
Determination of Trace Elements in Rape Honey and Its Corresponding Rape Flower and Stem by ICP-MS
Hui CHEN, Zhi-bin WANG, Qiao-ying CHANG, Wei WANG, Chun-lin FAN, and Guo-fang PANG
The determination of 10 trace elements including Na, Mg, P, K, Ca, Mn, Zn, Rb, Sr and Ba, in rape honey and its corresponding rape flower and stem gathered from nine sampling sites was carried out by inductively coupled plasma mass spectrometry (ICP-MS). The contents of K, P, Ca, Mg and Na were obviously higher than Zn
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 548 (2014)
Analysis of Mineral Elements in Different Organs at Different Harvesting Times of Schizonepeta tenuifolia on ICP-AES
Ming-qiu SHAN, Sheng YU, Li-xia YU, and An-wei DING
To study the main storage organ of each mineral element in Schizonepeta tenuifolia, and explain its reasonable harvesting time and medicinal parts in view of mineral elements. The mineral elements of Schizonepeta tenuifolia in different organs at different harvesting times were determined by ICP-AES technique. The mine
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 553 (2014)
High Accuracy Sample Positioning System for Hard X-Ray Microprobe
Ji-chao ZHANG, Dong-xu LIANG, Yan HE, Ai-guo LI, and Xiao-han YU
A novel sample offline positioning system was developed for hard X-ray micro-focus beamline (BL15U1) at Shanghai Synchrotron Radiation Facility (SSRF). The positioning system is composed of three parts: off-line sample microscope system, on-line sample experiment system, and high-precision positioning sample holder. It
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 557 (2014)
Application of the Racial Algorithm in Energy Dispersive X-Ray Fluorescence Overlapped Spectrum Analysis
Guo-qiang ZENG, Yao-yao LUO, Liang-quan GE, Qing-xian ZHANG, Yi GU, and Feng CHENG
In the energy dispersive X-ray fluorescence spectrum analysis, scintillation detector such as NaI (Tl) detector usually has a low energy resolution at around 8%. The low energy resolution causes problems in spectral data analysis especially in the high background and low counts condition, it is very limited to strip th
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 562 (2014)
The Radial Velocity Measurement Accuracy of Different Spectral Type Low Resolution Stellar Spectra at Different Signal-to-Noise Ratio
Feng-fei WANG, A-li LUO, and Yong-heng ZHAO
The radial velocity of the star is very important for the study of the dynamics structure and chemistry evolution of the Milky Way, is also an useful tool for looking for variable or special objects. In the present work, we focus on calculating the radial velocity of different spectral types of low-resolution stellar s
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 565 (2014)
Research of Dual-Photoelastic-Modulator-Based Beat Frequency Modulation and Fourier-Bessel Transform Imaging Spectrometer
Zhi-bin WANG, Rui ZHANG, Yao-li WANG, Yan-fei HUANG, You-hua CHEN, Li-fu WANG, and Qiang YANG
As the existing photoelastic-modulator(PEM) modulating frequency in the tens of kHz to hundreds of kHz between, leading to frequency of modulated interference signal is higher, so ordinary array detector cannot effectively caprure interference signal. A new beat frequency modulation method based on dual-photoelastic-mo
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 569 (2014)
[in Chinese]
[in Chinese]
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.34 Issue, 2 1 (2014)