Contents
2017
Volume: 37 Issue 7
59 Article(s)

Export citation format
The Establishment and the Application of the Electroluminescence Decay Measurement System
Yi-xiang CHEN, Su-ling ZHAO, Zheng XU, Cheng-wen ZHANG, and Xu-rong XU
Luminescence decay is an important process of luminescence. It is important to measure the lifetime for the study of luminous mechanism. But there are two flaws in the traditional research on the concepts and methods: firstly in terms of the concepts, luminescence decay is considered as the reduction in the number of t
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 1993 (2017)
Analysis of Sensitivity of the Parameters on Carbon Dioxide Retrieval Using High-Resolution Solar Absorption Spectra
Chang-gong SHAN, Cheng LIU, Wei WANG, You-wen SUN, Wen-qing LIU, Yuan TIAN, and Wei YANG
Solar absorption spectra collected with a high-resolution Fourier transform spectrometer is able to measure the column abundance of CO2 accurately. In the paper, the influence of a model parameters in the forward model on the retrieval of CO2 is analyzed, also the impact of a model parameters on retrieval results under
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 1997 (2017)
Optical Analysis of Two-Component Alkane Mixtures Based on Terahertz Spectrum
Wen-xiu LENG, Hong-lei ZHAN, and Li-na GE
Terahertz time-domain spectroscopy (THz-TDS), a newly developed far-infrared technique in recent years, has been widely applied for the detection of polar gas and non-polar gas. The principal components in distillation, natural and marsh gas include methane (CH4), ethane (C2H6) and propane (C3H8). The three kinds of al
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2010 (2017)
Toxic Effect of Pb Coated on High Siliceous Mineral Fine Particles Towards Escherichia Coli
Fa-qin DONG, Yong-lian QIN, Qun-wei DAI, Yu-lian ZHAO, Ming-xue LIU, Li-hua HOU, Yu-ting GUO, Feng-qin XU, and Zhao-pei LUO
In this study, quartz dusts and Pb(Ⅱ), the high siliceous mineral fine particles and main heavy metal pollutants in atmospheric particulate matter, were used as experimental materials to prepare Pb coated onto quartz dusts. Experiments were carried out to examine the oxidative stress response of Escherichia coli to PbC
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2014 (2017)
Effect of Immersion Process on the Properties and Structure of Cellulose Nanofibril/Silica Composite Aerogels
Jing-jing FU, Chun-xia HE, and Si-qun WANG
Cellulose nanofibril (CNF) aerogels combine important properties of conventional silica aerogels with their own excellent biocompatibility and biodegradability, which could be applied in various fields. However, applications for cellulose aerogels have been limited by cellulose’s hygroscopicity. In order to improve the
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2019 (2017)
Research on the Method of Identifying Maize Haploid Based on KPCA and Near Infrared Spectrum
Wen-jie LIU, Wei-jun LI, Hao-guang LI, Hong QIN, and Xin NING
The method of maize haploid identification plays a significant role in advancing Maize Haploid Breeding Technology. Given to its advantages of cost-effectiveness, high performance and being easy to operate, near-infrared spectroscopy (NIRS) has drawn great attention in the field of agricultural research. At the beginni
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2024 (2017)
Research of Fourier Transform Infrared (FTIR) Spectroscopy with Multivariate Analysis as Novel Diagnostic Tool for Metastatic Rectal Cancer Lymph Nodes
Dong LIU, Bin SONG, Xue-jun SUN, Yi-zhuang XU, Yan-bin LONG, Jun-kai DU, Jian-bao ZHENG, Bin LIU, Xiang-long DUAN, Jian-hua WANG, Si-da LIU, Zhi-jun MAO, Yuan-fu ZHANG, and Jin-guang WU
The aim of the research is to estimate Fourier transform infrared spectroscopy (FTIR) as a novel diagnostic tool for rectal cancer metastatic lymph nodes. 160 freshly normal and malignant lymph nodes were collected from 80 rectal cancer patients for spectrum analysis. FTIR spectra were generated from tissues samples us
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2028 (2017)
Spectral Similarity Measure Method Based on Neighborhood Counting
Chun-jing SONG, Xiang-qian DING, Peng-min XU, and Guang-jie L
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2032 (2017)
Study of the Adsorption of Hg2+ with Modified PLGA/G5-T Nanofibers
Yong-lan HUANG, Xian-dong JIANG, Ren-jie SHEN, Wu-song LI, and Ai-hong KANG
In the development process of leather industry, metallurgical industry, electroplating industry, mining industry and other industries, wastewater containing heavy metal ions is discharged to the river and farmland, resulting in environmental pollution. Heavy metal pollution has been paid more and more attention. It is
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2036 (2017)
Surface Defects Detection of Solid Wood Board Using Near-Infrared Spectroscopy Based on Bayesian Neural Network
Hao LIANG, Jun CAO, Xue LIN, and Yi-zhuo ZHANG
Surface defects of solid wood boards directly affect their mechanical properties and product grade, therefore, to achieve rapid detection of surface defects has important practical significance for online sort of solid wood boards. In view of the low recognition rate of the surface defect of the solid wood boards, a ne
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2041 (2017)
Analysis of Flue-Cured Tobacco Flavor Style Features Using Near-Infrared Spectroscopy and Multiple Algorithms Fusion
Li-li LUAN, Yu-heng WANG, Wen-yan HU, Kai YANG, Ru-xin SHU, Jun-hui LI, Long-lian ZHAO, and Ye-hui ZHANG
In this paper, 3 914 near infrared spectrums of flue-cured tobacco samples was tested. These tobacco samples were collected in 17 provincial origins, including the NONG (Luzhou) flavor 865 cartons, Intermediate flavor 1 646 cartons and QING flavor (Fen) 1 646 cartons. We used near-Infrared spectroscopy and multiple alg
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2046 (2017)
Latest Methods of Fluorescence Suppression in Raman Spectroscopy
Huan WANG, Yong-zhi WANG, Yu ZHAO, Li ZHU, and Li-hui YIN
Raman spectroscopy provides the fingerprint of the molecules, and is an important and powerful technique for analyzing the chemical composition of biological or non-biological samples. However, in many cases, the existence of the concurrent fluorescence background seriously interferes with Raman measurements. The excit
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2050 (2017)
Study of Detection of 2-Mercaptobenzimidazole Based on Surface Enhanced Raman Spectroscopy
Yu-feng CHEN, Jin YANG, Zhi-ping ZHUANG, Wei-dong RUAN, and Bing ZHAO
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2057 (2017)
Adsorption of Oxamyl on Fe3O4/Ag Magnetic Nanoparticles Surface with Surface-Enhanced Raman Scattering
Jiang-mei LIU, Wen-han LIU, Yuan-jie TENG, Min-bo LAN, Su-zhen MA, Rong-hui YUAN, Jing NIE, and Chang-jing HE
In this paper, Fe3O4 magnetic nanoparticles were firstly synthesized with co-precipitation method and the Fe3O4/Ag magnetic coating modified material which has high SERS activity was further prepared by reducing sodium citrate. The structure and morphology were characterized with UV-Visible absorption spectroscopy, ene
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2061 (2017)
Vibration Identification of PAHs Molecular Raman Signatures Based on Group Theory
Xiao-hui ZHAO, Ya-ling ZENG, You-li QIU, and Yu LI
In this paper, polycyclic aromatic hydrocarbons(PAHs)vibrations law was studied based on Group Theory, and Raman polarization reduced the interference of non-characteristics peaks in fingerprint region of PAHs which would improve the Raman discrimination among 16 PAHs. The Group Theory analysis showed that 16 PAHs assi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2067 (2017)
In-Situ Raman Observations for PLZT Ferroelectric Ceramics under Compressive Stresses
Sa ZHANG, and Li-ping LIANG
The change in material microstructure caused by ferroelectric domain switching under an alternative mechanical and electrical field is considered to be a major cause for degradation and failure of ferroelectric materials. It is shown that Raman spectroscopy could be used as a nondestructive, micro-regional and sensitiv
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2073 (2017)
Surface Enhanced Raman Spectroscopy Study of Complexes of Metal Ions with L-Cysteine
Cai-hong ZHANG, Guang-ming ZHOU, Hong-mei CHENG, Lu-tao ZHANG, Lu YU, and Yi GAO
In the present article, normal Raman spectra (NRS) and surface-enhanced Raman spectra (SERS) of L-cysteine (L-Cys) included liquid and solid sample, the unique possessing the reducing group, on the silver nanorodes were analyzed. The results showed that the strengthen of peaks were enhanced relatively. The vibrational
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2079 (2017)
Study on Raman Spectra of Two Commonly Used Synthetic Antioxidants
Mei-hong LU, Hai-ying LEI, Zhi-jun WANG, and Jie ZHANG
With the continuous progress of society, the food industry has been developing rapidly. At the same time, food safety issues also emerge in endlessly. Due to the low price and good effect on the preservation of food, synthetic antioxidants are often excessively added in food by some food producers, which endangers peop
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2087 (2017)
Polarization Characterization of Laser-Induced Fluorescence from the Simulated Oil Spill Samples
Xiao-ning LUAN, Feng ZHANG, Jin-jia GUO, Ting-wei CUI, and Rong-er ZHENG
Laser induced fluorescence technique has been considered as one of the most effective means for the detection of marine oil spills, while its feasibility was limited by the fluorescence signal resulted from chlorophyll and CDOM in natural water. To eliminate those influence during the detection, a LIF polarization expe
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2092 (2017)
Recognition Behavior for Glutathione with a Zinc-Based Metal-Organic Cyclohelicate Fluorescence Probe
Hong-mei WU, and Yu GUO
Metal-organic supramolecular with well-defined nanosized molecular cavity is able to encapsulate some special guest substrates so that they have been widely applied in molecular recognition and molecular separations. In this work, a highly sensitive recognition of biological molecular γ-glutamyl-cysteinyl-glycine (GSH)
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2100 (2017)
Multivariate Calibration of a UV-Vis Spectrophotometer Used for Online Measurements of Chemical Oxygen Demand in Dyeing Wastewater
Wei MAI, Xiao-ming ZHAO, Jian-fei ZHANG, Zhi-wei XU, and Zheng LI
In order to realize the on-line measurement of chemical oxygen demand (COD) in dyeing wastewater after sewage treatment, and to overcome the disadvantages of the standard method and the rapid spectrophotometric method, a COD detection method based on UV-Vis spectroscopy with multivariate calibration was developed in th
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2105 (2017)
Development of Dynamic Synchrotron Radiation Circular Dichroism Spectroscopy Using Continuous-Flow Probe with Microfluidic Mixer
Hao WANG, Yan HUANG, Zhi-tong LIU, Zhen-hua GAO, Da-rui SUN, and Ye TAO
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2110 (2017)
Detection of Fungal Disease on Tomato Leaves with Competitive Adaptive Reweighted Sampling and Correlation Analysis Methods
Hai-long WANG, Guo-guo YANG, Yu ZHANG, Yi-dan BAO, and Yong HE
Detection of grey mold on tomato leaves using hyperspectral imaging technique based on competitive adaptive reweighted sampling (CARS) and correlation analysis werestudied in this paper. Hyperspectral images of eighty healthy and eighty infected tomato leaves were captured with hyperspectral imaging systemin the spectr
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2115 (2017)
Preparation, Spectral Properties and Antioxidant Activities of Pyranone-Anthocyanin Derivative (Oxovitisin)
Nao WU, Jing-yi WANG, Tian JIANG, Shu-yi LI, Zhen-zhou ZHU, and Jing-ren HE
A novel polyphenolic compound, named Oxovitisin, with unique lactone pyranone ring and non-oxonium structures was prepared. In this paper, Oxovitisin A was synthesized with two-step reactions in micro-oxygenation system using carboxypyranoanthocyanins formed from pyruvic acid and anthocyanins. The fraction of Oxovitisi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2120 (2017)
Effect of Environment and Medium on Temperature Measurement
Zi-xuan WANG, Jian WU, and Chang-jian DAI
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2128 (2017)
Constructing Representative Calibration Dataset Based on Spectral Transformation and Kennard-Stone Algorithm for VNIR Modeling of Soil Total Nitrogen in Paddy Soil
Yi-yun CHEN, Rui-ying ZHAO, Tian-ci QI, Lin QI, and Chao ZHANG
Visible and near infrared (VNIR) has been widely used to estimate various soil properties. The construction of calibration dataset during the VNIR estimation of soil properties not only influences the representative of the calibration dataset, but also on prediction accuracy of models. Current strategy for calibration
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2133 (2017)
Forest Stock Volume Estimation Model Using Textural and Topographic Factors of Landsat8 OLI
Liu YANG, Zhong-ke FENG, De-peng YUE, and Jin-hua SUN
Forest stock volume (FSV) is an important factor in the investigation of the forest stand and the main indicator to evaluate forest. The traditional methods of forest stock volume measurement are time-consuming and low efficiency. In remote sensing multiple linear regression method the accuracy is low and it is difficu
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2140 (2017)
Removing the Effect of Soil Moisture Content on Hyperspectral Reflectance for the Estimation of Soil Organic Matter Content
Lei YU, Yong-sheng HONG, Ya-xing ZHU, Peng HUANG, Qi HE, and Feng QI
Soil hyperspectral technique was considered to be a fast, non-destructive and cost-effective alternative method for reliably analyzing soil organic matter content (SOMC). Nevertheless, hyperspectral technique challenged to use in the field, because several external environmental factors, such as soil moisture, temperat
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2146 (2017)
Reflectance Spectroscopy Model for Lubricant Pollution Concentration Detection
Guang-jun TIAN, Pan-jie L, and Li-na GU
The pollution concentration prediction model of lubricants based on the principle of reflection spectrum is studied. Pure oil and full pollution oil are chosen as experimental materials. Different concentration samples are gradually prepared by equivalent volume method. The spectrometer of 200~850 nm band range is used
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2152 (2017)
Obtaining Particle Size Information of Mineral Pigments from Disturbed Spectral Reflectance
Xiao-li YANG, and Xiao-xia WAN
Accurate color matching of mineral pigments is a key to attaining high-quality restoration and high-fidelity reproduction of the cultural heritage murals. The particle size of mineral pigments is an important factor affecting color information and spectral reflectance. Accurately obtaining the spectral reflectance of m
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2158 (2017)
The Determination of Glucose Based on Terahertz Spectroscopy
Bin LI, Yuan LONG, Hai-shun LIU, and Chun-jiang ZHAO
Glucose is one of the most important organic molecules in life activities. It is significant to study the absorptive fingerprints of glucose in terahertz band and carry out quantitative and qualitative analysis research. Terahertz is specific for macromolecules. As for the rotational and vibrational modes within a mole
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2165 (2017)
The Spectral Analysis of TIG Welding Filled with Flux-Cored Wire
Ying LIU, Li-jun YANG, Tian-xi HE, Yong-lei ZHAI, and Tong LIU
In this paper, spectral diagnosis incorporated with high-speed imaging technology was employed to research arc characteristic of a new proposed process of TIG welding filled with flux-cored wire. The droplet transfer modes were studied by observing the high-speed images. The spectral information was acquired by scannin
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2171 (2017)
The Fruits Soluble Solids Content Detection Online Using Universal
Yan-de LIU, Kui-rong MA, Xu-dong SUN, Ru-bing HAN, Dan-ning ZHU, Ming-ming WU, and Ling-yu YE
It takes a plenty of time for model updating and maintenance when use visible near infrared spectroscopy to measure the soluble solids contents(SSC)of fruits online and each of the fruit varieties need to be modeled separately. This paper aimed to explore the feasibility of establishing the online detection universal m
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2177 (2017)
Study on Maturity Discrimination of Hami Melon with Hyperspectral Imaging Technology Combined with Characteristic Wavelengths Selection Methods and SVM
Jing-tao SUN, Ben-xue MA, Juan DONG, Jie YANG, Jie XU, Wei JIANG, and Zhen-jiang GAO
Soluble solids content (SSC) and firmness are not only important indicators for grading of Hami melon but also characteristic factors to determine its maturity. Thus, in order to achieve automatic grading and suitable picking of Hami melon, hyperspectral imaging technology combined with different characteristic wavelen
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2184 (2017)
Applications of Femtosecond (fs) Laser Ablation-Inductively Coupled Plasma-Mass Spectrometry in Earth Sciences
Wen-wu YANG, Guang-yu SHI, Qi SHANG, Wen ZHANG, and Zhao-chu HU
Laser ablation-inductively coupled plasma-mass spectrometry (LA-ICP-MS) has become one of the major techniques for in situ microanalysis of element and isotopic compositions in earth science and other related fields. Because of the extraordinary short pulse width of femtosecond laser, thermal effect induced elemental f
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2192 (2017)
Determination of Caffeine Content in Coffee Beans Based on Laser Induced Breakdown Spectroscopy
Kun-lin SONG, Chu ZHANG, Ji-yu PENG, Lan-han YE, Fei LIU, and Yong HE
The feasibility of fast detection of caffeine content in coffee beans based on laser induced breakdown spectroscopy (LIBS) combined with chemometrics methods was studied. The coffee beans were grinded. 05 g of powerd material was transformed into a disk by manual tableting machine. 60 disks of coffee bean material wer
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2199 (2017)
Fast Identification of Plastics with Laser-Induced Breakdown Spectroscopy
Qian-qian SUN, Min DU, Lian-bo GUO, Zhong-qi HAO, Rong-xing YI, Jia-ming LI, Jian-guo LIU, Meng SHEN, Xiang-you LI, Xiao-yan ZENG, and Yong-feng LU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2205 (2017)
Early Stage Diagnostics for Laser-Induced Aluminum Alloy with Optical Emission Spectroscopy
Yong ZHANG, Tao XU, Ying LIU, and Yi-xiang DUAN
There are many methods to characterize plasma parameters for laser-induced plasma, optical emission spectra method is a very important one to diagnose laser-induced plasma parameters. In this paper, Nd∶YAG solid state laser which output 1 064 nm wavelength interact with aluminum alloy sample, the temporal evolution of
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2210 (2017)
Studies on Characteristics on a Combined Wavelength and Energy Dispersion X-Ray Fluorescence Spectrometer and Determinations of Major, Minor and Trace Elements in Soils around a Mining Area
Ya-ting SHEN, Ying-chun LI, Meng-he SUN, Yu-jun HE, Yan-fei WANG, and Ya-jie LIN
The combination of wavelength dispersive and energy dispersion X-ray fluorescence analysis would take both of advantage of wavelength dispersive and energy dispersive. Now, A combined wavelength dispersive and energy dispersion X-ray fluorescence spectrometer was used in analysis of major, minor and trace elements in t
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2216 (2017)
Study on the Composition and Structure Characteristics of “Lvlongjing” from Russia
Quan-li CHEN, Qian-xiang WANG, Wen-jing JIN, and Yi-tong YU
As the rise of heritage players market in recent years, “Lvlongjing” jade from Russia has become a favorite new gem varietiy. At present, there are disputes over the main mineral composition of the “Lvlongjing”. In this paper, a more detailed research and analysis of the fundamental nature, chemical composition, infrar
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2225 (2017)
X-Ray CT Energy Spectrum Estimation Algorithm Based on Weighted TV Normalization
Lei LI, Lin-yuan WANG, Xiao-qi XI, Yu HAN, Bin YAN, and Shang-lian BAO
In practical applications, such as CT hardening artifacts correction, dual energy CT image reconstruction and CT radiation dose calculation, X-ray energy spectrum information plays an important role. However, due to high ill-condition of system equations of transmission measurement data, statistical fluctuations of X-r
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2230 (2017)
Study of Mineralogical and Spectroscopic Characteristics of Black Nephrite from Dahua in Guangxi
Fan PENG, Qing-hua ZHAO, Lei PEI, Chao WANG, and Zuo-wei YIN
In recent years, a large amount of black nephrites began to appear in domestic and foreign markets. A new kind of black nephrites was found in Dahua Yao Autonomous County, Guangxi Zhuang Autonomous Region. In order to analyze mineral composition, spectroscopic characteristics and chemical composition of Dahua black nep
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2237 (2017)
Rapid Detection Method of Trace Silver in Mine Tailings
Wei ZHOU, Jie YU, Jian-bin ZHOU, Wen-jie WAN, Ying-jie MA, Zhu XU, and Peng FEI
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2242 (2017)
The Automatic Detection of the Continuum Problem in the Stellar Spectra Based on Distance Metric
[in Chinese], [in Chinese], [in Chinese], and [in Chinese]
Continuum problem is a phenomenon that the continuum of spectra get off their actual continuum even break off due to interstellar extinction and flux calibration, and it will have negative impact on the subsequent process such as spectral line extraction and so on. Due to this problem and considering of the continuum f
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2246 (2017)
An Automatic Detection and Classification Method of the Splicing Abnormality in the Stellar Spectra for LAMOST
Fan-long MENG, Jing-chang PAN, Jing-jing YU, and Peng WEI
Splicing abnormality is a phenomenon of poor continuity spectrum showed in the splicing wavelengths of the red and blue end. In the spectral processing, this problem can be caused by several factors, such as stability of instrument, observation condition, the response function and so on. It has important effect on the
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2250 (2017)
Applications of Hollow Waveguide in Spectroscopic Gas Sensing
Jin-yi LI, Zhen-hui DU, Rui-xue WANG, Xu YANG, Li-mei SONG, and Qing-hua GUO
Hollow Waveguides (HWGs) are used in spectroscopic gas sensing devices as both a optical waveguide and gas transmission cell that provide an extended optical pathlength yielding high sensitivity measurements. Their advantages over traditional multipass gas cells are that they have a much smaller sample volume and can p
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2259 (2017)
Design of a SWIR Offner Imaging Spectrometer
Zhi-zhong ZHENG, Zhong YANG, Lian-cun XIU, Jin-xin DONG, Chun-xia CHEN, Yang GAO, and Zheng-kui YU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2267 (2017)
Study of Fiber-Optic Acoustic Emission Sensor for Partial Discharges Detection in Power Transformer
Bin MA, and Jian XU
A fiber-optic sensor and its corresponding system are presented and evaluated for on-line detection of acoustic emission stress waves generated by partial discharges in high-voltage power transformer. The fiber-optic sensors are placed inside the transformer for acoustic emission stress waves detection according to its
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2273 (2017)
Development of Mid-Infrared Trace-CO Detector with Long-Path Differential Optical Absorption Spectroscopy (LP-DOAS)
Mo L, Yi-ding WANG, and Chen CHEN
Carbon monoxide, as a kind of dangerous mine gas, can easily accumulate in a complex mine environment poses a serious threat to the safety of miners. This paper presents a compact carbon monoxide detector. This instrument have a mid-infrared quantum cascade laser operating at 465 μm as light source, with mercury cadmi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2278 (2017)
Research of Multi Points and Multi Spectral Calibration in Two-Dimensional Temperature Field Reconstruction Based on CCD
Fu-cai ZHANG, Xiao-gang SUN, and Jian XING
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2283 (2017)
Investigation of Azimuth Error of the Retarder of Stokes Polarimeter
Hu DAI, and Chang-xiang YAN
Rotatable retarder fixed polarizer (RRFP) Stokes polarimeters are widely used to detect the state of polarization of light. The orientation error of the retarder is one of important error sources of RRFP Stokes polarimeters. In order to investigate the effect of the orientation errors of retarder on measurement results
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2288 (2017)
The Experimental Research on Br2 Doping Effect on Multi-Layer Graphene Bandgap
Qiu-hui ZHANG, Cheng-hu ZHOU, Xing-hui WU, Quan-zhen HUANG, Guo-ying FENG, and Xiao-xiang LU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2294 (2017)
Properties and Application Studies of LaBr3(Ce) Scintillation Detector
Hai-wei ZHANG, Lei WANG, Feng-qing LENG, Xian-guo TUO, Ming-zhe LIU, Yi CHENG, Fu-liang YAO, San-gang LI, Bai-jun ZHAO, and Wei LU
The LaBr3(Ce) detector is a new type of scintillator detector which offers better energy resolution and higher efficiency for high-energy gamma ray in comparison with traditional detectors, for instance, NaI(Tl) detector. The LaBr3(Ce) detector has merits of a high scintillation light output with a fast decay time, a h
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2298 (2017)
Research on Infrared Spectra of (Fe, N) Doped TiO2 by the Electronegativity Principle
Jun-yu CHEN, Gui-min JIANG, Yuan TENG, Dong-dong CHEN, Ji-kang YAN, and Guo-you GAN
Based on the principle of electronegativity, a reasonable infrared spectrum model is built, and the relationship between the vibration frequency of TiO2 infrared spectrum and the electronegativity of element is investigated. (Fe, N) codoped TiO2 samples were prepared with the sol-gel method. The crystalline phase and I
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2305 (2017)
Metal Ions Fluorescence Quenching and Correcting on Dissolved Organic Matter in Drinking Water Using Fluorescence Excitation-Emission Matrix and Parallel Factor Analysis
Shan ZHAO, Gao-fang YIN, Nan-jing ZHAO, Rui-fang YANG, Xue XIAO, Jian-guo LIU, and Wen-qing LIU
There are several challenges with quantitative analysis of fluorescence components of dissolved organic matter (DOM) stem from the variability of fluorescence intensity, which is known to be highly influenced by metal ions. The quenching effect of metal ions (Cu(Ⅱ), Fe(Ⅲ), Ni(Ⅱ), Sr(Ⅱ), Hg(Ⅱ), K(Ⅰ), Mg(Ⅱ) and Mn(Ⅱ)) on
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2317 (2017)
Research Articles
Quantification of Dental Plaque Based on Auto-Fluorescence Imaging
Chao-jia CHEN, Wei-wei LAO, Bin LIN, Qing-guang CHEN, Hai-hua ZHU, Xiang-qun CAO, and Hui CHEN
Dental plaque is one of the main etiologic factors that lead to dental caries and periodontal disease, and the amount of plaque on teeth could be served as reference for the teeth health condition to some extent. Therefore, the detection of dental plaque plays a very important role for maintaining the oral health. Howe
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 2311 (2017)
[in Chinese]
[in Chinese]
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.37 Issue, 7 1 (2017)