Contents
2022
Volume: 42 Issue 3
49 Article(s)

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Orginal Article
Thermal Evolution Characteristics and Discrimination of Reservoir Bitumen Based on Raman Spectroscopy
Shang-hua SI, Zhe-heng YANG, You-zhi CHEN, Li-jun SONG, Xiao-qing SHANG, Chuang ER, and Chao LIU
To determine the relationship between the thermal evolution degrees and Raman spectra of reservoir bitumens, bitumen from the reservoir in the Baiceng area of Southwest Guizhou Province was quantitatively analyzed using non-destructive Raman spectroscopy and fluid inclusion. Firstly, the homogenization temperature of f
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 783 (2022)
Detecting Green Plants Based on Fluorescence Spectroscopy
Ai-chen WANG, Bin-jie GAO, Chun-jiang ZHAO, Yi-fei XU, Miao-lin WANG, Shu-gang YAN, Lin LI, and Xin-hua WEI
Site-specific variable spraying is an effective approach to reducing pesticide use and improving the use efficiency for crop protection against disease, pests and weeds through chemical spraying, and target detection is a key procedure for site-specific variable spraying. Active illumination was adopted to detect green
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 788 (2022)
Multiple Liner Regression for Improving the Accuracy of Laser-Induced Breakdown Spectroscopy Assisted With Laser-Induced Fluorescence (LIBS-LIF)
Jie WU, Chuang-kai LI, Wen-jun CHEN, Yan-xin HUANG, Nan ZHAO, Jia-ming LI, Huan YANG, Xiang-you LI, Qi-tao LÜ, and Qing-mao ZHANG
Elemental analysis is an essential requirement in the metallurgical industry, nuclear industry, pollution detection and environmental monitoring. As a new type of atomic spectrum analysis technology, LIBS has been widely concerned because of its real-time, fast, almost non-destructive and multi-element simultaneous ana
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 795 (2022)
The Influence of Substituents in Anthracene Derivatives on the Performance of Triplet-Triplet Annihilation Upconversion
Zuo-qin LIANG, Xu YAN, Dong-dong SONG, Xiao-bo ZHANG, Jia-xuan ZHANG, Chang-qing YE, Shuo-ran CHEN, and Xiao-mei WANG
Triplet-triplet annihilation (TTA) upconversion is a spectral conversion technique with large anti-stoke shift under the incoherent low-power photoexcitation. And the excitation and emission wavelengths are adjustable. Therefore, TTA upconversion has an important application value in improving solar energy utilisation.
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 802 (2022)
Preparation of Molecularly Imprinted Fluorescent Probe for Rare Earth Complex and Determination of Malachite Green Residue
Ke-man SHAO, Gui-yu FU, Su-yan CHEN, Cheng-yi HONG, Zheng-zhong LIN, and Zhi-yong HUANG
Malachite green is an artificially synthesized triphenylmethane compound. The disadvantages of conventional detection methods for malachite green, such as complicated pre-treatment, long time-consuming and requiring the use of large instruments, result in the inability to detect promptly. So it is of great importance t
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 808 (2022)
Photoluminescence in Indonesian Fossil Resins
Ying-ying LI, Zhi-qing ZHANG, Xiao-hong WU, and Hsitien Shen Andy
Generally, fossil resins emit distinct fluorescence under ultraviolet illumination. However, their phosphorescence remains to be characterized. In this paper, six Indonesian fossil resins similar to the Dominican blue amber, are further divided into three parts: white inclusions (Part Ⅰ), dark inclusions (Part Ⅱ), and
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 814 (2022)
Spectroscopic Study on the Mechanism of Photoduction of Cytochrome b5 by Ultraviolet Light
The study of electron transfer in life has attracted much attention, and the research on the electron transfer of proteins and enzymes has become a hot spot. However, electron transfer may be an effective way to explain this mechanism. The detailed mechanism of photoinduced heme protein reduction is still unclear. In t
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 821 (2022)
Simulation of Space Borne Ionospheric Airglow Imaging
The ionospheric characteristics such as total electron content and plasma bubble parameters can be retrieved by observing the ionospheric airglow with spaceborne imager. Atoms and molecules absorb solar radiation and excite to higher energy states in the daytime. At night, they radiate the energy in the form of airglow
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 828 (2022)
Spectral Characteristics of Two Kinds of Nanhong Agate Imitations
Ling-yue YANG, Sheng-wu YAN, Hao-tian WANG, Yu-ting ZHANG, Ren-yun WANG, Ming-xing YANG, and Chao-wen WANG
The Nanhong agate is one of the most common red agates in the Chinese jewelry market. The market of the Nanhong agate is thriving, and Nanhong agate imitations are flourishing, while few studies have been conducted on the differences of materials and spectral characteristics between the natural Nanhong agate and its im
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 835 (2022)
Study on Hyperspectral Characteristics and Difference of Urban Colorful Plants in Beijing in Autumn
Min-jie DUAN, Yan-ming LI, Xin-yu LI, Jun-fei XIE, Qian WANG, Song-ting ZHAO, Rui XU, and Yue-rong WANG
Along with promoting the color extension green technology demonstration project in Beijing, color-leaf plants play an increasingly prominent role in urban landscape construction and improvement of the living environment, especially in recent years. If the regional distribution and growth characteristics of urban colorf
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 841 (2022)
Study on Directional Near-Infrared Reflectance Spectra of Typical Types of Coal
En YANG, and Shi-bo WANG
Hyperspectral remote sensing is an effective method for coal mining area detection, and it is of great significance for coal resource surveys and environmental monitoring in the mining area. At the same time, reflectance spectrum characteristics of remotely measured objects such as coal, gangue, vegetation and water bo
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 847 (2022)
Monitoring of Wheat Stripe Rust Based on Integration of SIF and Reflectance Spectrum
Wei-na DUAN, Xia JING, Liang-yun LIU, Teng ZHANG, and Li-hua ZHANG
Solar-induced chlorophyll fluorescence (SIF) can sensitively reflect crop disease stress information, but the geometric structure of canopy and other factors seriously affected the ability of SIF to capture changes in photosynthetic function and stress status of vegetation. Therefore, in this paper, the normalized diff
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 859 (2022)
Inversion of Rice Leaf Chlorophyll Content Based on Sentinel-2 Satellite Data
Xu YANG, Xue-he LU, Jing-ming SHI, Jing LI, and Wei-min JU
Chlorophyll content is an important indicator of crop health, plant productivity, and environmental stress. Real-time, fast and accurate acquisition of leaf chlorophyll content of crops is of significant for monitoring crop growth. Remote sensing is an effective way to retrieve leaf chlorophyll content of crops at regi
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 866 (2022)
Mineral Spectra Classification Based on One-Dimensional Dilated Convolutional Neural Network
Qing-lin TIAN, Bang-jie GUO, Fa-wang YE, Yao LI, Peng-fei LIU, and Xue-jiao CHEN
The spectrum is a comprehensive reflection of the mineral’s physical chemistry characteristics, composition and structure, which has been used in mineral and rock identification. The traditional classification methods of the mineral spectrum require complex spectral pretreatment, and then some spectral features are ana
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 873 (2022)
Navigation Observation of Reflectance Spectrum of Water Surface in Inland Rivers
Chun-juan WANG, Bin ZHOU, Yao-yao ZHENG, and Zhi-feng YU
In situ measurement of water spectrum is one of the indispensable basic works in the research of water optical properties and watercolor remote sensing inversion modeling. The conventional oblique observation method is restricted by its strict observation geometric conditions, it is necessary to constantly adjust the o
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 878 (2022)
The Effect Analysis of LED Light Environments and Clothing Colors on Consumers’ Behavior
Xiao-yang HE, Ze LIU, Liang SUN, Jing LIANG, Xue-jie SONG, Cai-yin WANG, and Yan LIU
LED light source has many outstanding performances, including high color rendering, high luminous efficiency, long life and energy saving. It had been widely adopted LEDs lighting for clothing stores. However, there were many problems when choosing a lighting method for a clothing store. For example, the lighting canno
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 884 (2022)
FTIR Analysis of the Correlation Between the Pyrolysis Characteristics and Molecular Structure of Ultrasonic Extraction Derived From Mid-Temperature Pitch
Chao-shuai HU, Yun-liang XU, Hong-yu CHU, Jun-xia CHENG, Li-juan GAO, Ya-ming ZHU, and Xue-fei ZHAO
The regulation of molecular structure and thermal conversion behavior of coal tar pitch is the key to preparing high-quality coal tar pitch-based carbon materials. In order to further clarify the relationship between pyrolysis behavior and molecular structure of coal tar pitch, 8 kinds of extracts derived from Medium t
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 889 (2022)
Effect of Acidification Pretreatment on the Composition and Structure of Soluble Organic Matter in Coking Coal
Fang-fang WANG, Xiao-dong ZHANG, Xiao-duo PING, Shuo ZHANG, and Xiao LIU
In order to explore the influence of acidification pretreatment on the extractable composition and macromolecular structure of coal, Gujiao coking coal in Shanxi Province was acidified and demineralized by HCl and HF, and different concentrations of tetrahydrofuran (THF) were selected for solvent extraction experiments
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 896 (2022)
Interaction Between Tartrazine and Bovine Serum Albumin Using Multispectral Method and Molecular Docking
Jun WANG, Zhou-li WANG, and Jing-jing CHENG
The interaction between tartrazine and bovine serum albumin (BSA) was investigated by fluorescence spectrometry, synchronous fluorescence spectrometry, three-dimensional fluorescence spectrometry, ultraviolet spectrometry and molecular docking. The analysis of fluorescence spectrum of tartrazine-BSA showed that tartraz
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 904 (2022)
Effects of Orientation and Quality on Spatial Spectrum Characteristics of Fruits in Southern Xinjiang
Jia-yi XU, Xue HUANG, Hua-ping LUO, Jin-xiu LIU, Yu-ting SUO, and Chang-xu WANG
Hyperspectral nondestructive testing technology is widely used in quantitative nondestructive testing of fruit. In this paper, the spatial characteristic spectra of jujube, grape and pear are taken as the research objectives, and the influencing factors and inversion methods of spatial characteristic spectra are explor
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 910 (2022)
Rapid Analysis of Main Quality Parameters in Forage Soybean by Near-Infrared Spectroscopy
Yan JIANG, He MENG, Yi-rong ZHAO, Xian-xu WANG, Sui WANG, En-yu XUE, and Shao-dong WANG
Forage is the material basis of animal husbandry production. The detection and evaluation of the nutritional value of forage raw materials and feed products are an important link in feed production. Facing the situation of low crude protein content in forage resources and relying on many imported feeds, soybean, as a h
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 919 (2022)
Estimation of Chlorophyll Content in Maize Leaves Based on Optimized Area Spectral Index
Yu-zhe TANG, Mei HONG, Jia-yong HAO, Xu WANG, He-jing ZHANG, Wei-jian ZHANG, and Fei LI
Spectral index is an important means for real-time estimation of crop leaf chlorophyll. The comprehensive use of spectral technology for real-time and effective diagnosis of crop nutrients is conducive to accurate crop management, ensuring yield and reducing environmental pollution, improving fertilizer utilization, an
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 924 (2022)
Leaf Area Index Estimation Based on UAV Hyperspectral Band Selection
Yu-ru KONG, Li-juan WANG, Hai-kuan FENG, Yi XU, Liang LIANG, Lu XU, Xiao-dong YANG, and Qing-qi ZHANG
Leaf area index (LAI) is an important parameter to evaluate crop condition and crop yield. In order to effectively utilize hyperspectral information and improve the estimation accuracy of LAI, the best band was selected, and the new two-band vegetation indexes were constructed. In this study, winter wheat was taken as
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 933 (2022)
Study on Relationship Between Photosynthetic Rate and Hyperspectral Indexes of Wheat Under Stripe Rust Stress
Xiao-yan ZHANG, Xue-hui HOU, Meng WANG, Li-li WANG, and Feng LIU
For real-time monitor of wheat stripe rust and large-scale recognization of crop diseases using remote sensing technology, the relations of wheat spectral reflectivity and net photosynthetic rate with disease index were studied under stripe rust stress, and the variation of photosynthetic rate was estimated with spectr
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 940 (2022)
Characteristic Analysis and Decomposition of Mixed Pixels From UAV Hyperspectral Images in Rice Tillering Stage
Feng-hua YU, Dan ZHAO, Zhong-hui GUO, Zhong-yu JIN, Shuang GUO, Chun-ling CHEN, and Tong-yu XU
Conducting the unmanned aerial vehicle (UAV) hyperspectral unmixing of rice and obtaining the hyperspectral reflectance information of rice plants is of great significance for improving the accuracy of the inversion model of rice physical and chemical parameters. Most of the current research is based on the data of hyp
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 947 (2022)
Optimization of Working Parameters of Glow Discharge Optical Emission Spectrometry of High Barrier Aluminum Plastic Film
Li-hong HU, Jin-tong ZHANG, Li-yun WANG, Gang ZHOU, Jiang-yong WANG, and Cong-kang XU
Pulsed-RF-glow discharge optical emission spectroscopy (GDOES) is a kind of atomic spectroscopy technology based on the principle of glow discharge, which is widely used to characterize the depth distribution of components in thin-film materials and functional multilayer structures. This technique has the advantages of
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 954 (2022)
Study of Spectral Emissions Characterization and Plasma During Fiber Laser Gas Nitriding of Titanium Alloy
Jin-chang GUO, Yu SHI, Yu-fen GU, and Gang ZHANG
Laser gas nitriding technology can quickly generate a nitride layer on the surface of titanium alloy, improve the surface hardness and wear resistance of titanium alloy, and promote the application of titanium alloy. Fiber laser was used to nitride of Ti-6Al-4V alloy, the electrical conductivity of the spectral emissio
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 961 (2022)
Study on Scattering Transmission Characteristics of Wireless UV Communication Based on Particle Size Distribution
Peng SONG, Yuan-min CAI, Xiao-jun GENG, Hua GUO, Han-wu JI, and Guo-qing ZHANG
In the non-line-of-sight wireless ultraviolet communication, particles in the atmosphere scatter ultraviolet light to help transmit information, which offers a broad prospect for applications in near-range covert communication. Haze particles, belonging to the aerosol category, are composed of dust, sulfide, organic hy
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 970 (2022)
Parallel Factor Analysis of Fluorescence Excitation Emission Matrix Spectroscopy of DOM in Waters of Agricultural Watershed of Dianbu River
Xin YANG, Zhi-hang WU, Yin YE, Xiao-fang CHEN, Zi-ran YUAN, and Jing WANG
The agricultural watershed of the Dianbu River is one of the main water sources of Chaohu Lake. It is very important to understand the aquatic ecosystem of Chaohu Lake to study the composition and source of dissolved organic matter (DOM) in this watershed. In combination with the fluorescence excitation-emission matrix
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 978 (2022)
Research on Anti-Moisture Interference Soil Organic Matter Model Based on Characteristic Wavelength Integration Algorithm
Rui ZHAO, Hai-yan SONG, Yao ZHAO, Qin SU, Wei LI, Yi-shu SUN, and Ying-min CHEN
As an important component in soil, soil organic matter (SOM) is a critical nutrition index in the process of crop growth. Rapid and accurate detection of SOM content is of great significance for the fertilization management. In recent years, NIR has been widely used in the rapid detection of SOM. However, soil moisture
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 984 (2022)
Fast Measurement of Primary Productivity in the Yellow Sea and Bohai Sea Based on Fluorescence Kinetics Technology
Xiang WANG, Gao-fang YIN, Nan-jing ZHAO, Ting-ting GAN, Rui-fang YANG, Zhi-song QIN, Ming DONG, Min CHEN, Zhi-chao DING, Pei-long QI, Lu WANG, Ming-jun MA, De-shuo MENG, and Jian-guo LIU
As an important -starting point in the marine ecosystem, phytoplankton primary production is the foundation of the marine food web and an important indicator for seawater quality. In this paper, in order to accurately measure, monitor, and predict spatiotemporal variations of phytoplankton primary productivity, and its
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 990 (2022)
Research Articles
Laser Spectrum Broadening Method Based on Phase Modulation of Gaussian White Noise
Jing-tao YAN, Li-jun MIAO, Jian-feng MAO, Jin SHI, Teng-chao HUANG, Shuang-liang CHE, and Xiao-wu SHU
Laser is a kind of common light source in modern optics. It is of great significance to analyze its spectrum width characteristics for research. Because the full width at half maximum (FWHM) of high-performance narrow-linewidth lasers is usually within tens of MHz, it is very difficult for them to directly meet the app
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 665 (2022)
Construction of CS2 Combustion Flame Spectral Radiation Model and Inversion of Characteristic Pollution Product Concentration
Wu-di PENG, Jia-lian NING, Zhi-li CHEN, Jin TANG, Li-xi LIU, and Lin CHEN
CS2 plays an important role in today’s chemical industry and other fields, while CS2 fire pollution accidents are extremely harmful. It is necessary to study the fire pollution characteristics of CS2 by studying the spectral radiation of CS2 combustion flame. Has set up a platform CS2 combustion flame spectrum test, th
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 672 (2022)
Spectral Characteristic Analysis and Spectral Identification of Desert Plants in Yanchi, Ningxia
Tong JI, Bo WANG, Jun-ying YANG, Qiang LI, Guo-xing HE, Dong-rong PAN, and Xiao-ni LIU
The desert grassland in Yanchi County of Ningxia belongs to the mid-temperate arid climate. Due to over-utilization, different degrees of degradation has occurred, and the proportion of degradation indicator species has increased, resulting in large differences in the composition of different desert grassland communiti
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 678 (2022)
On-Orbit Degradation Monitoring of Environmental Trace Gases Monitoring Instrument Based on Level 0 Data
Jing-ming SU, Min-jie ZHAO, Hai-jin ZHOU, Dong-shang YANG, Yan HONG, and Fu-qi SI
As a kind of ultraviolet-visible imaging spectrometer, the environmental trace gases monitoring instrument (EMI) is mainly used to realize the global daily atmospheric trace gas concentration inversion with high spatial resolution. During the on-orbit operation, the performance of EMI tends to decay with time due to th
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 686 (2022)
Preparation and SERS Performance of Au-Nylon Flexible Membrane Substrate
Ying-ying FU, Ping ZHANG, Da-wei ZHENG, Tai-feng LIN, Hui-qin WANG, Xi-hao WU, and Jia-chen SONG
Surface Enhanced Raman Spectroscopy (SERS) is one of the most sensitive analytical techniques currently available and has been widely used in life science, material science, environmental science and analytical chemistry. The performance of SERS base determines the application scope of SERS, are the key to promoting th
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 692 (2022)
Research on the Improvement of Spectra Classification Performance With the High-Performance Hybrid Deep Learning Network
Zhong-bao LIU, and Jie WANG
With the development of observation apparatus, the spectra number rises constantly. How to further improve the classification performance deserves to be research. Because of this, the stellar spectra are taken as the research object, the high-performance hybrid deep learning network is proposed based on integrating the
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 699 (2022)
Adsorption Characteristics of Marine Contaminant Polychlorinated Biphenyls Based on Surface-Enhanced Raman Spectroscopy
Hong-yan SONG, Hang ZHAO, Xia YAN, Xiao-feng SHI, and Jun MA
Polychlorinated biphenyls (PCBs) in marine pollution monitoring is widely attention. In this paper, surface-enhanced Raman spectroscopy (SERS) and density functional theory (DFT) methods were used to investigate the Raman spectra differences of four representatives PCBs (PCB15, PCB28, PCB47 and PCB77) and their adsorpt
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 704 (2022)
Rapid Determination of TBARS Contents in Tan Mutton Using Hyperspectral Imaging
Nai-yun FAN, Gui-shan LIU, Jing-jing ZHANG, Rui-rui YUAN, You-rui SUN, and Yue LI
Thiobarbituric acid reactive substances (TBARS) is the main chemical information that can effectively characterize the lipid oxidation degree in meat. A combination of hyperspectral technology with 2DCOS was investigated to develop the quantitative analysis model for assessing TBARS contents. The hyperspectral images o
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 713 (2022)
Wavelength Selection Algorithm Based on Minimum Correlation Coefficient for Multivariate Calibration
Jie-hong CHENG, Zheng-guang CHEN, and Shu-juan YI
In the quantitative analysis of near-infrared spectroscopy, as the instrument’s precision is getting higher and higher. The collected spectral data usually has a very high dimension. Therefore, wavelength selection is essential for eliminating noise and redundant variables, simplifying the model, and improving the mode
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 719 (2022)
Research on the Chemical Composition and Process Feature of Ancient Porcelain Produced in Dongmendu Kiln
Ming-fang CUI, Jian-hua ZHU, Rui HU, and Shang-qian CHEN
Dongmendu Kiln was one of the earliest kilns among the ancient Xuanzhou kilns, which belonged to the celadon of Yue Kiln series. The porcelains of Dongmendu Kiln, with its distinctive local characteristics, had a special style. The research on the structural properties in the micro length scale and process features abo
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 726 (2022)
Non-Destructive Analysis of Red and Green Porcelain in Qing Dynasty
Qiu-li PAN, Jin-fa SHAO, Rong-wu LI, Lin CHENG, and Rong WANG
The red and green colored porcelain is an important overglaze colored porcelain in the history of Chinese ceramics. It is significant to analyze the chemical composition and phase structure of the colored pigments to study the process of fired technologies. However, the traditional X-ray diffractometer with a 1 mm×
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 732 (2022)
Research on Detection of Cement Raw Material Content Based on Near-Infrared Spectroscopy
Bing HUANG, Xiao-hong WANG, and Ping JIANG
Near-infrared spectroscopy has been successfully applied to the rapid detection of cement raw meal composition, but Chinese cement companies use different raw materials when producing cement raw meal. The use of different raw materials for production has a certain impact on near-infrared spectroscopy modeling. In order
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 737 (2022)
Surface Plasmon Resonance Gas Sensor Based on Silver/Titanium Dioxide Composite Film
Ya-li DENG, Mei LI, Ming WANG, Hui HAO, and Wei XIA
Surface plasmon resonance is a label-free sensing technology. When the dielectric constant around the medium changes, the SPR resonance spectral characteristics will also change. Because the titanium dioxide (TiO2) covering layer can completely protect the metal layer, it can be converted into a 1 550 nm optical fiber
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 743 (2022)
Near-Infrared Spectral Modeling Based on Stacked Supervised Auto-Encoder
Zhi-xing SUN, Zhong-gai ZHAO, and Fei LIU
The near-infrared spectrum contains the characteristic information of the hydrogen-containing groups of organic molecules in the substance, and it has the characteristics of high dimensionality and large redundancy. Traditional near-infrared spectroscopy techniques are based on shallow correction models, such as princi
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 749 (2022)
Study on Infrared Spectrum Fingerprint of Apocynumvenetum L. in Xinjiang Based on Double Index Analysis
Maturzi AIBIBAIHAN, Rong XU, Xiao-jin LI, Cong-zhao FAN, Zhi-yong QI, Jun ZHU, Guo-ping WANG, and Ya-qin ZHAO
Apocynum venetum L. was a commonly used medicinal material in Xinjiang, mainly used for hepatic yang vertigo, palpitation and insomnia, oedema and oliourine, and it also had a good therapeutic effect on hypertension and depression. In order to ensure safety and stability of clinical medication, four traditional identif
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 757 (2022)
Application of Mid-Infrared Spectroscopy in the Analysis of Key Indexes of Strong Flavour Chinese Spirits Base Liquor
Jun ZHOU, Yang YANG, Yao YAO, Zi-wen LI, Jian WANG, and Chang-jun HOU
Quantitative analysis of total acid and ethyl caproate content of key indicators in strong flavour Chinese spirits base liquor(SACSL)based on mid-infrared spectroscopy technology, data preprocessing using standard normal transformation (SNV) method, combined with combined interval partial least squares band selection m
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 764 (2022)
Detection of Pearl Powder Adulteration Based on Raman Spectroscopy and DCGAN Data Enhancement
Ai-ling TAN, Zhen-yuan CHU, Xiao-si WANG, and Yong ZHAO
The chemical composition of pearl powder and nacre powder is similar, However, the medicinal value of nacre powder is far lower than that of nacre powder, and nacre powder is easier to prepare at low cost, which is often used by illegal businesses to fake or mix into nacre powder to enter the market and seek illegal in
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 769 (2022)
Study on Compressed Sensing Method for Raman Spectroscopic Analysis of Isotope Hydrogen Gas
Yong-tian REN, Yi HU, Jun CHEN, and Jun CHEN
Gas monitoring is closely related to our lives, and hydrogen as an ideal research model has received widespread attention. Raman spectroscopy has the advantages of non-destructive and non-contact measurements. One of the main problems in Raman measurement for gases is the weak Raman scattering. In some specific scenari
Spectroscopy and Spectral Analysis
  • Publication Date: Mar. 01, 2022
  • Vol. 42 Issue 3 776 (2022)