Volume: 35 Issue 4
59 Article(s)

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  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1 (2015)
Study on Characteristics of Terahertz Spectra of Organic Functional Groups
MA Chun-qian, XU Xiang-dong, ZOU Rui-jiao, LIU Yi-ke, HE Qiong, JIANG Ya-dong, HUANG Rui, WEN Yue-jiang, and SUN Zi-qiang
Fourier transform infrared (FTIR) was exploited to measure terahertz (THz) spectra in the wave number range of 30~300 cm-1 for saturated straight chain organic molecules at room temperature.The results reveal that different organic functional groups exhibit different THz spectral characteristics.The absorption peaks of
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 870 (2015)
Construction and Characterization of B850-Only LH2 Energy Transfer System in Purple Bacteria
LI Kai, ZHAO Chun-gui, YUE Hui-ying, YANG Su-ping, QU Yin-bo, and JIAO Nian-zhi
To seek microscopic molecular mechanism of energy transfer and complex reconstitution in the photosynthesis,the conditions for construction of B850-only peripheral light-harvesting complex (LH2) and their properties were investigated using absorption,fluorescence spectroscopy,molecular sieve chromatography,ultrafiltrat
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 875 (2015)
A Detection Technique for Gas Concentration Based on the Spectral Line Shape Function
ZHOU Mo, YANG Bing-chu, and TAO Shao-hua
The methods that can rapidly and precisely measure concentrations of various gases have extensive applications in the fields such as air quality analysis,environmental pollution detection,and so on.The gas detection method based on the tunable laser absorption spectroscopy is considered a promising technique.For the in
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 881 (2015)
Purification of PTCDA by Vacuum Sublimation and Spectral Test and Analysis
ZHANG Xu, ZHANG Jie, YAN Zhao-wen, ZHOU Xing-yu, and ZHANG Fu-jia
The organic semiconductor 3,4,9,10 perylenetetracarboxylic dianhydride (PTCDA) with the purity of 97.5% was purified by sublimation to 99.9%.The high-purity PTCDA material was measured by mass spectra,infrared spectrum and X-ray photoelectron spectroscopy (XPS).Detailed analysis revealed its molecular structure,the for
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 885 (2015)
Synthesis and Luminescence Properties of BiOCl:Dy3+ Phosphors for NUV Excited White Light-Emitting Diodes
KUANG Qing-liang, LI Yong-jin, QIU Jian-bei, YIN Zhao-yi, YANG Zheng-wen, SONG Zhi-guo, WAN Rong-hua, LIU Qun, and ZHOU Yu-ting
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 889 (2015)
Spectrum Research on Rheology of High Rank Coal
YU Li-ye, JU Yi-wen, and LI Xiao-shi
Aiming to discuss the change characteristic of macromolecular structures of high rank coal in different rheological conditions,the high rank undeformed coal from southern Qinshui basin and the coal after variable temperature and variable pressure rheology experiments were investigated and analyzed in detail through Fou
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 899 (2015)
The Significance of Analysis of Soil from the Surface of Hetao Plain,Inner Mongolia with Near Infrared Spectra
XIA Yuan-yuan, CAO Jian-jin, WU Zheng-quan, YUAN Xue-ling, and LIN Zu-xu
The technology of near infrared spectrum,marked by its convenience and effectiveness,which has been applied extensively in lithological analysis,is suitable for component analysis of regional geology,due to its superiority in analyzing numerous samples in a relatively short time.Since different mineral molecule peaks w
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 905 (2015)
Multidimensional Scaling Linear Regression Applied to FTIR Spectral Quantitative Analysis of Clinical Parameters of Human Blood Serum
CHEN Hua-zhou, SONG Qi-qing, SHI Kai, and JIA Zhen
In the present paper it was proposed to establish multidimensional scaling linear regression (MDS-MLR) models by combining multidimensional scaling (MDS) with multiple linear regression (MLR),in which MDS owns the ability of dimensionality reduction on spectral variables.Thus the informative spectral wavelengths can be
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 914 (2015)
Quantitative Approach to Melamine Detection in Egg White with Surface-Enhanced Raman Spectroscopy
WANG Qiao-hua, LIU Ya-li, MA Mei-hu, and WANG Hong
Due to the harmfulness of melamine to human,the quantitative detection of melamine in egg is very necessary.In the present study,the surface enhanced Raman spectra technology combined with chemometric analysis method was used to conduct melamine quantitative detection in egg white.Firstly,the melamine egg sample could
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 919 (2015)
Raman Spectroscopic Study on the Determination of SO2-4 Concentration in Aqueous Solution under High Temperature and Pressure
TIAN Feng, ZHENG Hai-fei, and SUN Qiang
In the present work,the Raman spectra of SO2-4 ions in aqueous solutions were studied.The quantitative analysis shows that there is a significant correlation between the Raman intensity ratio(R) and the SO2-4 concentration.The SO2-4 concentration in aqueous solution at ambient temperature and pressure can be determined
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 924 (2015)
Characterizing Structural Composition of Dissolved and Particulate Organic Matter from Sediment Pore Water in a Urban River Using Excitation-Emission Matrix Fluorescence with Self-Organizing Map
YU Hui-bin, SONG Yong-hui, YANG Nan, DU Er-deng, PENG Jian-feng, and ZHI Er-quan
Excitation-emission matrix (EEM) fluorescence with self-organizing map was applied to characterize structural composition and spatial distribution of dissolved (DOM) and particulate (POM) organic matter from sediment pore water in a typical urban river.Ten sediment pore water samples were collected from the mainstream
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 934 (2015)
Analysis of Samples from Wastewater Treatment Plant and Receiving Waters Using EEM Fluorescence Spectroscopy
LI Wei-hua, LIU Yi-xin, WANG Wei, SHENG Guo-ping, YU Han-qing, and SHUAI Lei
The samples from several treatment units in wastewater treatment plant (WWTP) and different sample sites of receiving waters were characterized using excitation-emission matrix (EEM) fluorescence spectroscopy.After analyzed by parallel factor analysis (PARAFAC) method,the EEM fluorescence spectra of the principal compo
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 940 (2015)
Excitation-Emission Matrix Fluorescence Spectra Characteristics of DOM in Integrated Verical Flow Constructed Wetland for Treating Eutrophic Water
LI Shu-juan, GE Li-yun, and DENG Huan-huan
Three-dimensional fluorescence parameters can reflect classification,properties and content change of pollutants in wastewater treatment.In the present paper,by using three-dimensional fluorescence characteristic analysis,comparative analysis of conventional organic pollutants such as COD,TN and TP,and three dimensiona
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 946 (2015)
Fluorescence Resonance Energy Transfer Detection of Cobalt Ions by Silver Triangular Nanoplates and Rhodamine 6G
ZHANG Xiu-qing, PENG Jun, LING Jian, LIU Chao-juan, CAO Qiu-e, and DING Zhong-tao
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 951 (2015)
Study on Therapeutic Effects of Ermiao Pill and Ermiao Pill Categorized Formula in Hyperuricemic Rats Using Spectroscopic Methods
CHEN Wei-jia, WU Yi, XU Chen, LIU Shu, WANG Wen-zhe, SONG Feng-rui, LIU Zhong-ying, and LIU Zhi-qiang
A stable mouse model of hyperuricemia was established by intraperitoneal injection of xanthine and oxonate,comparing the water extracts (containing crude drug 360 mg·mL-1) of Ermiao pill categorized formula (The ratio of atractylodes lancea to cortex phellodendri was 1:1,1:2 and 2:1,respectively) and Ermiao pill (
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 956 (2015)
Using UV-Vis Absorbance for Characterization of Maturity in Composting Process with Different Materials
ZHAO Yue, WEI Yu-quan, LI Yang, XI Bei-dou, WEI Zi-min, WANG Xing-lei, ZHAO Zhi-nan, and DING Jei
The present study was conducted to assess the degree of humification in DOM during composting using different raw materials,and their effect on maturity of compost based on UV-Vis spectra measurements and chemometrics method.The raw materials of composting studied included chicken manure,pig manure,kitchen waste,lawn w
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 961 (2015)
Research on Accuracy and Stability of Inversing Vegetation Chlorophyll Content by Spectral Index Method
JIANG Hai-ling, YANG Hang, CHEN Xiao-ping, WANG Shu-dong, LI Xue-ke, LIU Kai, and CEN Yi
Spectral index method was widely applied to the inversion of crop chlorophyll content.In the present study,PSR3500 spectrometer and SPAD-502 chlorophyll fluorometer were used to acquire the spectrum and relative chlorophyll content (SPAD value) of winter wheat leaves on May 2nd 2013 when it was at the jointing stage of
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 975 (2015)
Impact of Vegetation Structure on Drought Indices Based on MODIS Spectrum
DU Ling-tong, TIAN Qing-jiu, and WANG Lei
The drought indices based on MODIS spectral reflectance data are widely used for drought characterization and monitoring in agricultural context.Based on the PROSAIL model and MODIS observational data in Shandong in 2010,the present paper studied the impact of vegetation structure of leaf area index and physiological g
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 982 (2015)
Study on the Reliability Assessment Method of Heavy Vehicle Gearbox Based on Spectrometric Analysis
BAO Ke, ZHANG Zhong, CAO Yuan-fu, and CHEN Yi-jie
Spectrometric oil analysis is of great importance for wear condition monitoring of gearbox.In this context,the contents of main elements compositions in the bench test of heavy vehicle gearbox are obtained by atomic emission spectrometric oil analysis first.Then correlation analysis of the test data and wearing mechani
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 987 (2015)
Multi-Target Recognition of Internal and External Defects of Potato by Semi-Transmission Hyperspectral Imaging and Manifold Learning Algorithm
HUANG Tao, LI Xiao-yu, JIN Rui, KU Jing, XU Sen-miao, XU Meng-ling, WU Zhen-zhong, and KONG De-guo
The present paper put forward a non-destructive detection method which combines semi-transmission hyperspectral imaging technology with manifold learning dimension reduction algorithm and least squares support vector machine (LSSVM) to recognize internal and external defects in potatoes simultaneously.Three hundred fif
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 992 (2015)
Detection of Carbon Dioxide Concentration in Soil Profile Based on Nondispersive Infrared Spectroscopy Technique
TU Zhi-hua, ZHAO Yang, ZHENG Li-wen, JIA Guo-dong, CHEN Li-hua, and YU Xin-xiao
In order to explore the variation of CO2 concentration and soil respiration in soil profile,the nondispersive infrared (NDIR) spectroscopy technique was applied to continually estimate the soil CO2 concentration in different soil layers (the humus horizon,A-,B-,C-horizon) in situ.The main instrument used in this experi
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 997 (2015)
Biosorption of Radionuclide Uranium by Deinococcus Radiodurans
Yang Jie, Dong Faqin, Dai Qunwei, Liu Mingxue, Nie Xiaoqin, Zhang Dong, Ma Jialin, and Zhou Xian
As a biological adsorbent,Living deinococcus radiodurans was used for removing radionuclide uranium in the aqueous solution.The effect factors on biosorption of radionuclide uranium were researched in the present paper,including solution pH values and initial uranium concentration.Meanwhile,the biosorption mechanism wa
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1010 (2015)
Retrieving Chromophoric Dissolved Organic Matter in Guanting Reservoir Based on in-situ Measured Reflectance Data
ZHOU Ya-ming, LI Jun-sheng, SHEN Qian, and ZHANG Fang-fang
In the present paper,Guanting Reservoir located in Zhangjiakou City,Hebei province and Yanqing District,Beijing,was selected as the study area,and Chromophoric dissolved organic matter (CDOM) content (represented by the CDOM absorption coefficient at 440 nm,aCDOM(440)) was inverted through semi-analytical method and em
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1015 (2015)
Determination of Soluble Solid Content in Strawberry Using Hyperspectral Imaging Combined with Feature Extraction Methods
DING Xi-bin, ZHANG Chu, LIU Fei, SONG Xing-lin, KONG Wen-wen, and HE Yong
Hyperspectral imaging combined with feature extraction methods were applied to determine soluble sugar content (SSC) in mature and scatheless strawberry.Hyperspectral images of 154 strawberries covering the spectral range of 874~1 734 nm were captured and the spectral data were extracted from the hyperspectral images,a
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1020 (2015)
Research on Oil Sands Spectral Characteristics and Oil Content by Remote Sensing Estimation
YOU Jin-feng, XING Li-xin, PAN Jun, SHAN Xuan-long, LIANG Li-heng, and FAN Rui-xue
Visible and near infrared spectroscopy is a proven technology to be widely used in identification and exploration of hydrocarbon energy sources with high spectral resolution for detail diagnostic absorption characteristics of hydrocarbon groups.The most prominent regions for hydrocarbon absorption bands are 1 740~1 780
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1025 (2015)
Research Progress in Analytical Technology for Heavy Metals in Atmospheric Particles
WANG Yu-jie, TU Zhen-quan, ZHOU Li, CHI Yong-jie, and LUO Qin
Atmospheric particles have become the primary atmospheric pollutions,of which the heavy metals,owing to non-degradability and hysteresis,a serious threat to human life and natural environment,have become a hot research issue currently.The analytical methods of heavy metals in atmospheric particles are summarized in the
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1030 (2015)
Influence of Flame Emission Spectroscopy on K measurement Using Laser Induced Breakdown Spectroscopy
ZHANG Zhi-hao, SONG Qiang, Zeyad T.Alwahabi, and YAO Qiang
During the combustion of coal or biomass,the inherent alkali metals in the fuel will be released to the gas phase.The released alkali species condensed during the cooling of the flue gas,which may subsequently cause problems with ash deposition and corrosion in thermal fuel conversion systems.Laser Induced Breakdown Sp
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1033 (2015)
Study on Content Determination of Lead and Arsenic in Four Traditional Tibetan Medicine Prescription Preparations by Wet Digestion Flow Injection-Hydride Generation-Atomic Absorption Spectrometry
ZHENG Zhi-yuan, DU Yu-zhi, ZHANG Ming, YU Ming-jie, LI Cen, YANG Hong-xia, ZHAO Jing, XIA Zheng-hua, and WEI Li-xin
Four common traditional tibetan medicine prescription preparations “Anzhijinghuasan,Dangzuo,Renqingchangjue and Rannasangpei” in tibetan areas were selected as study objects in the present study.The purpose was to try to establish a kind of wet digestion and flow injection-hydride generation-atomic absorption spectrome
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1037 (2015)
Determination of Arsenic in Food Package Aluminum by Ultrasound Assisted Solid Phase Extraction/ICP-AES
QIN Wen-xia, GONG Qi, LI Min, DENG Li-xin, MO Li-shu, and LI Yan-lin
Determination of arsenic in pure aluminum by inductively coupled plasma atomic emission spectrometry was interfered by aluminum matrix.The experiment showed that when the mass concentration of Al was greater than or equal to 5 000 times the As in the test solution,the measurement error was greater than 5%.In order to e
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1043 (2015)
Determination of Trace Germanium in Plant Samples by Dry Ashing-Atomic Fluorescence Spectrometry
CHEN Hai-jie, YU Zhao-shui, BAI Jin-feng, LI Qing-xia, LIU Ya-xuan, BO Wei, and ZHANG Qin
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1048 (2015)
Determination of Mineral Elements in Choerospondias Axillaris and Its Extractives by ICP-AES
ZHAI Yu-xin, CHEN Jun, LI Ti, LIU Ji-yan, WANG Xie-yi, CHENG Chao, and LIU Cheng-mei
Nine elements in Choerospondias axillaris flesh,peels,aqueous extractives and gastric digesta were determined by the inductively coupled plasma atomic emission spectrometry (ICP-AES) in the present study.The results showed that the contents of Fe,Ca,Zn,Mn,Al,Mg,Cu,K and P in the flesh were 27.37,269.88,1.51,2.45,1.95,1
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1052 (2015)
Identification of Chinese Traditional Medicine Cistanches Herba from Different Places by HPLC-ESI-MS and FTIR Methods
ZHOU Ye, LI Wei, HAN Li-feng, SONG Xin-bo, LI Pei-fu, WANG Rui, and ZHANG Bo-li
Five samples of Cistanches Herba from different places were analyzed by HPLC-ESI-MS and FTIR methods.The effective compositions in Cistanches Herba including cistanoside A,echinacoside,acteoside ,isoacteoside,2’-actylacteoside,cistanoside C and tubluoside B were determined by HPLC-MS.The common peak ratio and variant p
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1056 (2015)
Study on Speciation Analysis and Ecological Risk Assessment of Heavy Metals in Surface Sediments in Gansu,Ningxia and Inner Mongolia Sections of the Yellow River in Wet Season with HR-ICP-MS
MA Xiao-ling, LIU Jing-jun, ZUO Hang, HUANG Fang, and LIU Ying
In order to continuously study the contents,pollution condition and potential ecological risk of heavy metals in surface sediments in Gansu,Ningxia and Inner Mongolia sections of the Yellow River in wet seasons in different years,the speciation analysis of 9 kinds of heavy metals including Cd,Pb,Cr,Ni,Cu,V,Co,Zn and Mn
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1062 (2015)
Research on Test Method of Metallic Element Contained in Tea Based on EDXRF Technique
QIN Xu-lei, LI Ye, SONG Zhong-hua, WANG Guo-zheng, LI Shen, SHAN Gao-feng, and DUANMU Qing-duo
As it has been certified by experimental testing that when using the energy-dispersive X-ray fluorescence (EDXRF) method to analyze the metallic elements contained in the tea the energy segment of effective X-ray fluorescence photons is located between 3 and 16 keV.Accordingly the spectral correction element is targete
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1068 (2015)
Chemical Components,Mercury Coordination Structure and Micro-Morphology of Tibetan Medicine Zuotai
LI Cen, Zhan-dui, Leng-ben-cai-rang, Sang-lao, Suo-lang, Duo-jie-la-dan, Duo-ji, DU Yu-zhi, LI Lin-shuai, ZHANG Ming, YANG Hong-xia, BI Hong-tao, and WEI Li-xin
In order to reveal the chemical substance basis of pharmacodynamic effects of Zuotai,energy dispersive spectrometry of X-ray (EDX),X-ray fluorescence spectroscopy (XRF),synchrotron radiation X-ray absorption fine structure (SR-XAFS),X-ray diffraction (XRD),scanning electron microscope (SEM) and atomic force microscope
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1072 (2015)
Preparation and Performance of Ultrafast γ-CuI Scintillation Conversion Screen
XIA Ming, GU Mu, LIU Xiao-lin, LIU Bo, HUANG Shi-ming, and NI Chen
Micro-columnar structured γ-CuI scintillation conversion screen with columnar diameter in the micrometer and thickness about 17 μm were prepared by thermal evaporation method on quartz substrates with different temperatures.X-ray excited luminescence spectra of the screens show two peaks located at 430 nm and near 700
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1079 (2015)
The Influence of Oxygen Incorporation on the Microstructure and Band Gap Properties of the nc-Si Films
JIANG Zhao-yi, YU Wei, LIU Jian-ping, LIU Hai-xu, YIN Chen-chen, and DING Wen-ge
The authors prepared nc-SiOx:H thin films using plasma enhanced chemical vapor deposition methods (PECVD) and investigated the influence of oxygen incorporation on the microstructure and band gap properties of the films.The results indicated that with the increase in oxygen mixing ratio (CO2/SiH4),the grain size of the
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1084 (2015)
Study on the Interface Characteristics of Cemented Carbide after Stripping Ti Department Coatings
YAN Qiang, LIANG Zheng, SONG Hui-jin, WU Tao, and WU Jun
TiAlN Coatings were stripped by chemical method,which were deposited on YW2 Alloy by arc ion plating.The surface morphology and composition of the cemented carbide after stripping TiAlN coatings by chemistry method were analyzed.It was found that TiAlN coatings on the cemented carbide substrates could be removed by bei
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1089 (2015)
Effect of Heat Treatment Temperature on the Spectral Properties of Cu-Ni Coating
LIU Xiao-zhen, SHEN Qin-wei, LIU Xiao-zhou, CHEN Jie, ZHU Liang-wei, and QI Jie
Cu-Ni coatings were prepared on the surface of nickel by electrodeposition method,and Cu-Ni coatings were heat-treated in 25 ~ 900 ℃.Heat-treated Cu-Ni coatings were characterized with scanning electron microscopy (SEM),energy dispersive x-ray analysis (EDAX) and X-ray diffraction (XRD) techniques,respectively.Effects
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1094 (2015)
Correction of Fiber Throughput Variation Due to the Focal Ratio Degradation
CHEN Jian-jun, BAI Zhong-rui, LI Guang-wei, WANG Shu-qing, LUO A-li, and ZHAO Yong-heng
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1099 (2015)
Spectra Classification Based on Local Mean-Based K-Nearest Centroid Neighbor Method
TU Liang-ping, WEI Hui-ming, WANG Zhi-heng, WEI Peng, LUO A-li, and ZHAO Yong-heng
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1103 (2015)
Instrumentation and Application of a Portable Pretreating System for a Speedy Plasmon-Enhanced Raman Spectroscopy Detection Towards Food Safety
NI Wei-quan, HE Jian, LIU Guo-kun, CHEN Hong-ju, ZENG Yong-ming, and TIAN Zhong-qun
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1107 (2015)
Establishment and Improvement of Portable X-Ray Fluorescence Spectrometer Detection Model Based on Wavelet Transform
LI Fang, WANG Ji-hua, LU An-xiang, and HAN Ping
The concentration of Cr,Cu,Zn,As and Pb in soil was tested by portable X-ray fluorescence spectrometer.Each sample was tested for 3 times,then after using wavelet threshold noise filtering method for denoising and smoothing the spectra,a standard curve for each heavy metal was established according to the standard valu
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1111 (2015)
Study on the Spectral Characteristics of the Narrow-Band Filter in SHS
LUO Hai-yan, SHI Hai-liang, LI Zhi-wei, LI Shuang, XIONG Wei, and HONG Jin
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1116 (2015)
A Method for Selecting Self-Adoptive Chromaticity of the Projected Markers
ZHAO Shou-bo, ZHANG Fu-min, QU Xing-hua, ZHENG Shi-wei, and CHEN Zhe
The authors designed a self-adaptive projection system which is composed of color camera,projector and PC.In detail,digital micro-mirror device (DMD) as a spatial light modulator for the projector was introduced in the optical path to modulate the illuminant spectrum based on red,green and blue light emitting diodes (L
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1120 (2015)
Analysis of SPR Signal by Using Optimized Savitzky-Golay Filter
CHEN Shu-wang, WANG Jun-xing, SHENG Wei-nan, LIU Jin, ZHANG Wen-bin, and ZHOU Peng
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1124 (2015)
Research on Spectral Polarization Imaging System Based on Static Modulation
ZHAO Hai-bo, LI Huan, LIN Xu-ling, and WANG Zheng
The main disadvantages of traditional spectral polarization imaging system are:complex structure,with moving parts,low throughput.A novel method of spectral polarization imaging system is discussed,which is based on static polarization intensity modulation combined with Savart polariscope interference imaging.The imagi
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1129 (2015)
AOTF-Based Imaging Spectrometer and Its Applications in the Identification of Metameric Targets
LIU Kang, GAO Zhi-fan, WU Qiong-shui, and ZENG Li-bo
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1134 (2015)
Monitoring of Curing Temperature of Pouring Explosive Based on Fiber Bragg Grating
ZHANG Chen, WANG Gao, LIANG Hai-jian, YUAN Jun-ming, CHANG Shuang-jun, LIU Yu-cun, WANG Heng-fei, and ZHAO Yu
For the first time,we real time measured released reaction heat between the binder and the curing agent in the curing process of cast explosive using fiber Bragg grating.In order to obtain the temperature in the process of pouring explosive casting real time and accurately,we designed the temperature monitoring system
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1138 (2015)
Study of Spectral Property and Measurement of Linear Variable Filters
LIU Qing, ZHOU Jin-song, NIE Yun-feng, LI Yang, and ZHANG Gui-feng
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1142 (2015)
Adaptive “3R” De-Noising Algorithm Based on Near Infrared Bi-Spectrum
ZHAO Xiao-yu, FANG Yi-ming, TAN Feng, WANG Zhi-gang, and TONG Liang
Adaptive de-noising algorithm is proposed based on transmission spectrum and absorption spectrum of near infrared.Near infrared transmission spectrum and absorption spectrum collected synchronously are decomposed into intrinsic mode functions by ensemble empirical mode decomposition;the intrinsic mode function is a sin
  • Publication Date: Apr. 01, 2015
  • Vol. 35 Issue 4 1146 (2015)