Contents
2021
Volume: 41 Issue 2
54 Article(s)

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Research Articles
Progress of Thomson Scattering Diagnostic on HL-2A Tokamak
Jie SHANG, Yuan HUANG, Kai YANG, Bao-wei CHEN, Chun-hua LIU, and Yi YANG
The diagnosis of incoherent laser Thomson scattering only needs to assume that the electron velocity satisfies the Maxwell distribution, and the measured data of plasma electron temperature and electron density are accurate and reliable. It is an important diagnostic tool in the Tokamak and other magnetically confined
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 333 (2021)
Experimental Study on Narrowing 632.8 nm External Cavity Diode Laser Linewidth Based on Self Made Ultra-Stable F-P Cavity
Song-jie GUO, Yue-ting ZHOU, Yong-qian WU, Xiao-bin ZHOU, Jian-fei TIAN, Gang ZHAO, Wei-guang MA, Lei DONG, Lei ZHANG, Wang-bao YIN, Lian-tuan XIAO, and Suo-tang JIA
Narrow linewidth lasers are widely used in the field of optoelectronic detection due to their advantages such as good monochromaticity, high stability, and long coherence length, including coherent communication, precision measurement, optical frequency standards, absorption spectrum measurement, and research on the in
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 339 (2021)
Study on the Relationship Between Urban Traffic Flow and Tropospheric NO2 Vertical Column Density in Oasis on the North Slope of Tianshan Mountain
Inquiring into the northern region of Tianshan Mountain valley oasis, urban traffic and the link between tropospheric NO2 vertical column density, Employing ground-based multi-axis difference spectrometer, (Mini MAX-DOAS) in 2018—2019, the north slope of Tianshan Mountains, economic belt comprehensive city Urumqi, Shih
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 345 (2021)
Research on All-Fiber Dual-Channel Atmospheric Greenhouse Gases Laser Heterodyne Detection Technology
Jing-jing WANG, Tu TAN, Gui-shi WANG, Gong-dong ZHU, Zheng-yue XUE, Jun LI, Xiao-hai LIU, and Xiao-ming GAO
Laser heterodyne spectroscopy is a high-resolution remote sensing detection technology developed rapidly in recent years. Its device has the characteristics of small size, high spectral resolution, and is suitable for the detection of the concentration of atmospheric greenhouse gases. At present, it has been proved to
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 354 (2021)
Observation and Analysis of Taizhou Atmosphere NH3 Concentration by Off-Axis Integrated Cavity Output Spectroscopy
Guo-xian ZHANG, Ren-zhi HU, Pin-hua XIE, Feng-yang WANG, Yi-hui WANG, Jin-zhao TONG, Shi-yi CHEN, Shu-le LI, Wan-yi QIU, and Wen-qing LIU
Ammonia (NH3) is the most important reduced form of active nitrogen in the atmosphere, and is an important gaseous precursor for the formation of secondary inorganic ammonium salts. Under the extremely polluted conditions in China, these ammonium salts can account for 40%~60% of the mass of PM2.5. NH3 pollution not onl
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 360 (2021)
Correction the Effect of Plant Chlorophyll Fluorescence on Atmospheric Carbon Dioxide Satellite Monitoring
Han-han YE, Xian-hua WANG, Qin-qin LI, and Xiao-di WANG
For atmospheric Carbon dioxide (CO2) satellite monitoring, high precision is the most important. However, because of the high similarity of spectra between plant chlorophyll fluorescence and atmospheric scattering effects, the atmospheric scattering effects were always misinterpreted and CO2 retrieval errors were cause
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 368 (2021)
Research on the Quantitative Analysis Method of Nitrate in Complex Water by Full Scale Spectrum With GS-SVR
Hui-ping LEI, Bing-liang HU, Tao YU, Jia-cheng LIU, Wei LI, Xue-ji WANG, Yan ZOU, and Qian SHI
Nitrate is an important index of water quality monitoring. The high concentration of nitrate in water results in the decrease of biodiversity and the degradation of the ecosystem. Meanwhile, it will cause irreversible harm to human health. Water quality monitoring technology based on the spectrum is the trend of modern
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 372 (2021)
Application and Development of Photothermal Based Microscopy in Single Particle Detection
Shao-hua LI, Hong-xia ZHAO, Chen WEN, Zhi-qun DING, Jing-rui WANG, and Pei-hong CHENG
High sensitive single particle/molecule detection technique is an important prerequisite for nanoparticle application in biomedicine, chemistry and optoelectronics. Common single particle detection techniques include optical microscopy and spectroscopy based on fluorescence, Raman scattering, Rayleigh scattering, and a
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 379 (2021)
Research Progress of Thin Layer Chromatography and Surface Enhanced Raman Scattering Spectroscopy
Zheng-dong SHEN, Xian-ming KONG, Qian YU, and Zhan-xu YANG
Surface Enhanced Raman spectroscopy (SERS) is a sensitive, instant and nondestructive sensing technique that has been widely used in analytical chemistry, environmental protection and food safety. However, the samples in real-world usually contain many different components, which makes the identification of analytes fr
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 388 (2021)
Refining Paleodietary Reconstruction by Using Compound-Specific Amino Acid Isotope Analysis
Ying MA, Rui-rui DONG, T. Fuller Benjamin, Shu-ya WEI, and [in Chinese]
Palaeodiet is one of the most important topics in modern archaeological research. The bulk isotopic analysis of archaeological human and faunal remains have made great contributions in palaeodietary reconstruction for decades, but gradually it shows the limits of palaeodietary interpretation, of particular, in the way
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 395 (2021)
Data Augmentation of Raman Spectral and Its Application Research Based on DCGAN
Ling-qiao LI, Yan-hui LI, Lin-lin YIN, Hui-hua YANG, Yan-chun FENG, Li-hui YIN, and Chang-qin HU
The detection method of Raman spectroscopy relies on the chemometrics algorithms, and deep learning is the most popular are at present, which can be applied to the modeling of Raman spectroscopy. However, deep learning requires large samples for training, while Raman spectral collection is limited by equipment and labo
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 400 (2021)
Research on Correction Method of Background Signal Drift in Mid-Infrared Harmonic Detection
Li-chang ZOU, Jun HUANG, Zheng-hui LI, Yao DENG, Guo-dong SHAO, Zhen RUAN, Zhi-min LU, and Shun-chun YAO
Tunable Diode Laser Absorption Spectroscopy (TDLAS) is widely used in the combustion diagnosis, measuring trace gases and industrial process control and so on due to its high sensitivity, high resolution, non-intrusive and real-time detection. The second-harmonic (2f) detection technology of wavelength modulation spect
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 408 (2021)
In-Situ Detection of SF6 Decomposition Products Based on Femtosecond Laser-Guided High-Voltage Discharge
Yun-gang ZHANG, Huang-tao LIU, Qiang GAO, Zhi-feng ZHU, Bo LI, and Yong-da WANG
The occurrence of discharge due to insulation defects in gas insulated switchgear (GIS) can cause decomposition of SF6. The low-fluoride sulfide species produced by the decomposition react with trace amounts of H2O and O2 in the equipment to produce corrosive substances, which affect the normal operation of the equipme
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 414 (2021)
Integrated Detection of Foodborne Pathogens by In-Situ Infrared Spectroscopy Based on ZnSe Film Transmission Method
Yan-yan LIU, Ning-ping TAO, Xi-chang WANG, Ying LU, and Chang-hua XU
Foodborne pathogens are predominant factors affecting human health. Due to the species diversity of foodborne pathogens and the complicity and time-consuming of traditional techniques, a rapid and accurate foodborne pathogen detecting technology is urgently needed. For the traditional infrared spectroscopic techniques,
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 419 (2021)
Wasserstein GAN for the Classification of Unbalanced THz Database
Rong-sheng ZHU, Tao SHEN, Ying-li LIU, Yan ZHU, and Xiang-wei CUI
The terahertz spectrum of the matter is unique. At present, combined with advanced machine learning methods, research on terahertz spectrum recognition technology based on large-scale spectral databases has become the focus of terahertz application technology. It is difficult to collect multi-material equilibrium spect
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 425 (2021)
Construction of a 3D-QSAR Model With Dual Spectral Effects and Its Application in Molecular Modification of Environmentally Friendly PBBs
Lu-ze YANG, and Miao LIU
As a kind of additive flame retardant, polybrominated biphenyls (PBBs) will be released from the product slowly and enriched in environmental media and organisms to cause harm. Infrared and ultraviolet spectra can detect PBBs, which have the advantages of rapid detection, no secondary pollution and simple operation, et
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 430 (2021)
Application of Spectral Clustering and LIF in Recognition of Mine Water Inrush Source Types
Meng-ran ZHOU, Hong-ping SONG, Feng HU, Wen-hao LAI, and Jin-guo WANG
Water inrush accidents threaten the lives of people and cause property damage. Therefore, it has great significance in accurately detecting the type of water inrush. Hydrochemical analysis method takes a long time and has a complicated process to detect the type of water inrush. Laser-induced fluorescence (LIF) techniq
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 435 (2021)
Application of NIR Spectroscopy in Explosive Powder Surface Contamination Remote Detection
Da-cheng LI, An-jing WANG, Yang-yu LI, Fang-xiao CUI, Jun WU, Zhi-cheng CAO, Yun-yun WANG, and Yan-li QIAO
Aiming at the problem of explosive powder detection on suspected personnel and clothing surfaces in a wide open space, a remote sensing method of explosive powder surface contamination based on NIR spectroscopy was studied, a NIR imaging spectral data acquisition system was developed, the NIR reflection characteristic
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 441 (2021)
Species Identification of NaCl, NaOH and β-Phenylethylamine Based on Ultraviolet Spectrophotometry and Supervised Pattern Recognition Technology
Ang-xin TONG, Xiao-jun TANG, Feng ZHANG, and Bin WANG
β-phenylethylamine(PEA) is a very important chemical that intermediates raw materials. During the synthetic process of PEA, the final product usually contains NaCl, NaOH and PEA. Therefore, it is of great significance for the synthesis and qualitative measurement of PEA to identify the species of NaCl, NaOH, PEA and th
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 448 (2021)
Determination of Sodium Hexametaphosphate by Ratiometric Fluorescence Method Based on Formaldehyde Functionalized Polyethyleneimine/Eosin Y System
Chuan-xiao YANG, Wei-bin GONG, Fan TANG, and Xiang-ying SUN
Under the condition of microwave assisted, formaldehyde functionalized polyethyleneimine (FPEI) was synthesized. The maximum emission of FPEI at 470 nm was obtained when the excitation wavelength was set at 340 nm, and the blue fluorescence was easily observed under an ultraviolet lamp. Under this excitation condition,
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 454 (2021)
Temperature Dependence of Phase and Color Diagram for Ternary (Mg1-x-yBaxSry)1.95SiO4: 0.05Eu Phosphors
Ming-yuan GAO, Lan LUO, Rui GUO, Yu WANG, and Peng-peng ZHANG
(Mg1-x-yBaxSry)1.95SiO4∶0.05Eu phosphor series samples were prepared by high-temperature solid-state method (at 1 150, 1 200 and 1 250 ℃). By XRD, PL and photograph records under UV lights, the composition- phase-emission light color relationship was established, and the ternary color diagram was then derived. The infl
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 460 (2021)
Experimental Research on Monitoring of BTX Concentration Based on Differential Optical Absorption Spectroscopy
Hai-ming ZHENG, Xiao-peng ZHU, Shuai-shuai FENG, and Gui-hong JIA
Benzene-toluene-xylene (BTX) is an important component of atmospheric pollutants VOCs(Volatile Organic Compounds). Long term exposure to benzene series will greatly increase the risk of human carcinogenesis. BTX has obvious characteristic absorption characteristics in the ultraviolet band. The 250~275 nm band is select
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 467 (2021)
Merging MIR and NIR Spectral Data for Flavor Style Determination
Yun-fei SHA, Wen HUANG, Liang WANG, Tai-ang LIU, Bao-hua YUE, Min-jie LI, Jing-lin YOU, Jiong GE, and Wen-yan XIE
Tobaccos flavor type’s determination is an important field tobacco industry. In this work, 189 tobacco samples with different flavor were tested by middle infrared (MIR) spectrum and near-infrared (NIR) spectrum. After the test, 21 characteristic absorption value from a certain wavelength in the MIR spectrum and 13 cha
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 473 (2021)
Effect of Urea on Glycosylation of BSA Based on Spectral Techniques
Xue LI, Li WANG, Guang-xian LIU, and Zong-cai TU
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 478 (2021)
Study on Preparation of Ag-Doped ZnO Nanomaterials and Phase Transition at High Pressure Using Diamond Anvil Cell and Raman Spectra
Shi-xia WANG, Tian-yi HU, and Meng YANG
Zinc oxide (ZnO), a semiconductor material with a wide band gap, has the excellent properties on photoelectric performance, mechanical behavior and chemical characteristic. The structure of ZnO material has a great influence on its properties. Element doping may change the crystal structure and band gap width of ZnO, w
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 484 (2021)
Study on Reflection Characteristics of Sea Ice Contaminated by Shipping Iron Ore Powder
Bing-xin LIU, Gang GUO, Dong-lai WU, Cheng-yu LIU, and Feng XIE
Annex V of the Convention on the Prevention of Pollution from Ship (MARPOL) stipulates that dry residues containing substances harmful to the marine environment (HME) must be discharged at port reception facilities. However, many ships discard the waste directly into the ocean. Shipment of iron ore powder scattered on
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 489 (2021)
Preliminary Study on Water Quality Parameter Inversion for the Yuqiao Reservoir Based on Zhuhai-1 Hyperspectral Satellite Data
Zi-yao YIN, Jun-sheng LI, Hai-sheng FAN, Min GAO, and Ya XIE
The concentration of suspended matter and water clarity are basic parameters for water quality investigations and important indexes to evaluate the quality of water environments. Remote sensing technologies can be used to realize the inversion of the main water quality parameters in a large range, quickly, and at low c
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 494 (2021)
Characterization and Analysis of DOM in Raw Water in Xiamen and Zhangzhou by 3-DEEM-FRI
Yan-jie CHEN, Yu-qian CUI, Qing-song LI, Bo-qiang LI, Ji-ping WANG, Guo-yuan CHEN, Jie LIAO, and Guo-xin LI
3-DEEM fluorescence spectroscopy and original fluorescence integration (3DEEM-FRI) analysis were adopted to analyze the correlation between the normalized fluorescent integral volumes and the fluorescence characteristics of the dissolved organic matter (DOM) in the raw water from reservoirs in Xiamen and Zhangzhou. The
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 499 (2021)
Detection and Analysis of Water Content of Crude Oil by Near Infrared Spectroscopy
Hong-ming LIU, Yu-juan LIU, Zhi-cheng ZHONG, Ying SONG, Zhe LI, and Yang XU
As an important strategic resource, petroleum has an important significance in real-time analysis and detection of its components in the petrochemical industry. With the continuous development of petroleum resources, in the production process of long-term oil wells and before the exploitation of new oil wells, it is ne
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 505 (2021)
Surface Plasmon Resonance Sensing Technology is Applied to Small Molecule Detection
Xue-mei LIU, Xiao-lin WANG, Zeng-feng QIU, Ya-dong WANG, Bin ZHANG, Chao XU, and Hong-zong YIN
Small biomolecules in the human body have important effects on the health of the living body. Some of them are involved in the blood circulation and immune system of the living body Therefore, the detection of small molecules in living organisms in the study of small molecules in the physiological function of life is o
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 511 (2021)
Photocatalytic Degradation of RhB Dye by Copolymerization Modification g-C3N4-N Under Visible Light
Xue XIA, Yun-xia PAN, and Meng-zhu LI
The discharge of dye wastewater has become a serious threat to human health and the ecosystem. Photocatalytic technology has shown attractive potential in eliminating environmental pollution problems owing to its simple operation and environment-friendly. Graphite-like phase carbon nitride (g-C3N4) was considered to be
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 517 (2021)
Spectroscopic Characteristics of Soil Humus Components Under Different Proportions of Organic and Inorganic Fertilizers
Li-hong TONG, Ling ZHU, Nan ZHAO, Yi-zhong LÜ, Xia-yan LIU, Shan JIANG, and Ying-xin LI
This study explored the effects of different proportions of organic and inorganic fertilizers on soil humus characteristics based on the 16-year long-term localization experiment. The humic acid (HA) and fulvic acid (FA) components in the humus are separated and purified, and studied the changes of HA and FA contents a
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 523 (2021)
Application of Synchrotron Radiation X-Ray Diffraction Spectroscopy in the Study of Clay Minerals in Zonal Forest Soils
Zhi-dan ZHANG, Min-shuang ZHAO, Li-na ZHANG, Hang LIU, Rui LI, Qian-nan SHENG, Dan GUO, Xiao-yi ZHAO, Jin-jing ZHANG, and Shuang-ling ZHONG
X-ray diffraction (XRD) spectrum is an important method to analyze the clay mineral composition of the soil, but conventional XRD analysis has some problems such as complex preprocessing, long time-consuming, low spectral resolution and insufficient scanning. So based on the 4B9A diffraction experiment station of Beiji
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 529 (2021)
The Study on Fluorescence Spectral Characteristics of Three Brands of Milk
Wen-zhi YIN, Ting-yu WANG, Tuo ZHU, Chao-qun MA, Jiao GU, Chun ZHU, Lei LI, and Guo-qing CHEN
Three-dimensional fluorescence spectra of milk of three brands (9 types) were measured by FLS920P fluorescence spectrometer, including pure milk and fresh milk, whole milk and skim milk. The fluorescence peak wavelength of milk is about 349 nm, the full width at half maximum (FWHM) is about 66 nm, the optimal excitatio
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 535 (2021)
Quantitative Analysis of Goat Serum Protein Content by Raman Spectroscopy Based on IABC-SVR
Xing-hu FU, Fei ZHAO, Zhen-xing WANG, Xin LU, Guang-wei FU, Wa JIN, and Wei-hong BI
A method based on Raman spectroscopy and improved artificial bee colony algorithm to optimize the support vector machine regression (IABC-SVR) algorithm for rapid quantitative detection of goat serum protein content was proposed. The traditional artificial bee colony algorithm gradually slows down the convergence rate
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 540 (2021)
A Method for Correcting Nitrofurantoin Raman Signal in Honey Based on Internal Standard of Substrate
Shuai YAN, Yong-yu LI, Yan-kun PENG, Ya-chao LIU, and Dong-hai HAN
In order to solve the problem of poor reproducibility of surface-enhanced Raman spectroscopy signals, this paper explored the surface-enhanced Raman spectroscopy correction method based on internal honey standard using the Raman point detection system built by the laboratory. Firstly, the Raman characteristic displacem
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 546 (2021)
Analysis of the Relationship Between Hyperspectral Reflectance and Yield of Rape Under Different Micro Fertilizer Conditions
Tao CHANG, Xin XIE, Mei GUAN, Qiu-ping ZHANG, Zhen-qian ZHANG, and Chun-yun GUAN
Rape is the largest domestic plant oil source in China. It is necessary to apply appropriate micro fertilizer in field production to improve yield and quality. It is very important to build a model which can quickly screen the micronutrient fertilizer to improve the yield of rape. In this research, the spectral reflect
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 552 (2021)
Feature Selection of 3D Fluorescence Data Based on Storage Room Gas and Preliminary Early Warning of Banana Spoilage
Meng-li LI, Yong YIN, Yun-xia YUAN, Xin LI, and Xue-ru LIU
In order to use three-dimensional (3D) fluorescence technology to realize early warning of banana spoilage based on storage room gas, the storage room gas corresponding to two batches of banana with different storage dates were tested to collect 3D fluorescence data. Firstly, the 3D fluorescence data was pre-processed:
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 558 (2021)
Identification of Rice From Similar Areas With Different Pretreatment Methods of Raman Spectrum
Ya-xuan WANG, Feng TAN, Yuan-ming XIN, Huan LI, Xiao-yu ZHAO, and Bao-xin LU
It is difficult for consumers to distinguish regional rice brands formed by geographical factors instead of rice of similar producing areas. Based on Raman spectroscopy, the experiment compared three common pretreatment methods including first derivative+translational smoothing, second derivative+translational smoothin
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 565 (2021)
Fertilized Eggs’ Air-Cell Change Monitoring Algorithm Based on Thermal-Image
You-fu LIU, De-qin XIAO, and Chun-tao WANG
The size of the egg air-cell is one of the important indicators for monitoring the hatching process of the eggs. According to the thermodynamic structure of the breeding egg, during the hatching process of them, the temperature difference between the part of the shell enclosing the air-cell and the other part of the sh
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 572 (2021)
Impact of Water Level Fluctuations on Habitats of Wintering Migratory Birds Based on Multispectral Data
Xiang GAO, Yu-ting QI, Bin DONG, Yu-huan CUI, Shuang HAO, Fang ZHAO, and Hong-chang WANG
Shengjin Lake wetland in Anhui Provinceis a typical lake wetland which located in the middle and lower reaches of the Yangtze River in China. It is an ideal wintering place for wintering migratory birds, especially rare cranes. The construction of water conservancy facilities has changed the natural connection of Sheng
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 579 (2021)
Diagnosis of Nitrogen Nutrition in Flue-Cured Tobacco Based on UAV Visible Spectrum Platform
Zhi-wei SUN, Xiao-lin WANG, Qi-ming ZHANG, Ju-min YUAN, Shuang ZHANG, Hui-feng YAN, and Shu-sheng WANG
The feasibility of non-destructive assessment and prediction of tobacco nitrogen nutrition based on visible spectrum diagnostic technology on UAV platform was analyzed by field experiments with different nitrogen dosage, and the optimum color parameters and model of the technology were defined. Field experiments were c
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 586 (2021)
A Study on the Screening of Anti-Inflammatory Drug Diclofenac Sodium in Dietary Supplements by Near Infrared Hyperspectral Imaging
Cheng WANG, Hang YU, Wei-rong YAO, Yu-liang CHENG, Ya-hui GUO, He QIAN, Zhi-qiang TAN, and Yun-fei XIE
Diclofenac sodium is a non-steroidal anti-inflammatory drug with good anti-inflammation effect. The addition of diclofenac sodium is prohibited from being added to the dietary as supplements for reducing the inflammation. At present, some literature has reported that diclofenac sodium in water, meat, milk and other Chi
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 592 (2021)
Wood Species Classification With Microscopic Hyper-Spectral Imaging Based on I-BGLAM Texture and Spectral Fusion
Peng ZHAO, Jin-cheng HAN, and Cheng-kun WANG
To improve the accuracy of wood species classification, a method is proposed based on I-BGLAM (Improved-Basic Gray Level Aura Matrix) texture features and spectral features fusion in this paper. Experimental data are hyper-spectral images in the visible and near-infrared spectral band (i. e., 372.53~1 038.57 nm) obtain
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 599 (2021)
The Classification of Plant Leaves by Applying Chemometrics Methods on Laser-Induced Breakdown Spectroscopy
Jie DING, Da-cheng ZHANG, Bo-wen WANG, Zhong-qi FENG, Xu-yang LIU, and Jiang-feng ZHU
Laser induced breakdown spectroscopy (LIBS) is a highly efficient and rapid elemental analysis method. It can be applied to the elemental analysis of various materials. Linear discriminant analysis (LDA) and support vector machine (SVM) are two commonly used supervised algorithms in chemometrics. These two methods both
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 606 (2021)
Sequential Injection-Continuous Spectroscopy Based Multi-Parameter Method for Water Quality Analysis
Wen LI, Li-min WANG, Li CHENG, and Hai-qi CHEN
Aiming at the low power consumption, miniaturization, integration and intelligence of water quality multi-parameter monitoring instruments, a micro-in-situ water quality multi-parameter detector based on the fusion of sequential injection analysis (SIA) and continuous spectral detection methods has been developed. The
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 612 (2021)
Analysis of Ultra-Trace Metal Impurity Elements in Proprylene Glycol Monomethyl Ether Using Inductively Coupled Plasma Tandem Mass Spectrometry
Tan-ping LI, and Ai-yang LI
Based on inductively coupled plasma tandem mass spectrometry (ICP-MS/MS), an analytical method for the accurate determination of ultra-trace metal impurity elements in propylene glycol methyl ether (PGME) was established, and mixed reaction gas was used to eliminate the spectral interference. The challenging ultra-trac
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 618 (2021)
Study on Identification Method Based on XGBoost Model for Aluminum Alloy Using Laser-Induced Breakdown Spectroscopy
Chen-yang LI, Xiong-fei CHEN, Yong ZHANG, Ya-wen WANG, Zhong-chao TIAN, Shi-gong WANG, Zhen-yang ZHAO, Ying LIU, and Peng-yu LIU
As an important metal material, aluminum alloy is widely used in various fields, but a large amount of aluminum alloy waste is difficult to sort and recycle. The recycling of aluminum alloy resources is a booster for China’s industrial green and sustainable development. How to quickly and easily identify and classify a
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 624 (2021)
Spectral Characteristics of Dark-Blue Corundum From Fangshan Mine, Shandong, China and Le-Shuza-Kone Mine, Mogok, Burma
Qian-yi ZHAO, Chang XU, and Xian-yu LIU
To analyze spectral characteristics of dark-blue corundum from Fangshan mine, Changle, Shandong, China and Le-shuza-kone mine, Mogok, Burma comparatively, and to find out the valence state of iron and coloring mechanism of corundum from both of the mines, in this paper, we did research with the help of X-ray powder dif
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 629 (2021)
Study on Spectral Characteristics of Turquoise With Blue “Water Ripple” From Shiyan, Hubei Province
Ya-lun KU, and Ming-xing YANG
“Water ripple” turquoise is a kind of natural turquoise with water ripple pattern on its appearance, which is rare in production but popular among consumers. Previous studies on turquoise are rich, but less on “water ripple”. In this paper, a turquoise sample with the light blue-white substrate and blue-green “water ri
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 636 (2021)
Spectroscopic Characteristics of Blue Serpentine
Jin-yu ZHENG, Yun-gui LIU, Tao CHEN, Qian CHEN, Meng-yang LI, and [in Chinese]
Recently, a new species of serpentine, which color is blue, named “Tian Qing Dong” appeared in jade market. Structure characteristics, chemical and mineral compositions have been investigated with a polarizing microscope, Scanning Electron Microscope, Laser Ablation Inductively Coupled Plasma Mass Spectrometry and X-ra
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 643 (2021)
Infrared Spectroscopy and Morphological Assessments on the Nutritional Value of Prickly Pear Fruit
S. Refat Moamen, M. Alsuhaibani Amnah, and Nagaty Mohamed
The prickly pear fruit helps in combating viral based infections. It is used to treat diabetes and declared to possess hypoglycemic effects. There is also record of the usage of the fruit in the olden days as a remedy for diabetes, lipid disorders, inflammation, ulcers, and pharmacologic side effects. The chemical comp
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 648 (2021)
Spectral Dependence of Quasi-Rayleigh Polarization Leap of Nonspherical Particles: Polystyrene Beads Application
D V Petrov, and E A Zhuzhulina
Solid particles in Earth’s atmosphere, such as polystyrene beads, are an important factor affecting the processes of absorption and scattering of light in the atmosphere. These processes affect on the solar energy transfer in the Earth’s atmosphere, consequently they have influence on the regional and global climate ch
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 654 (2021)
Synthesis, Spectroscopic Characterization, Thermogravimetric and Biological Activity Evaluation of Te(Ⅳ), Se(Ⅳ), V(Ⅲ), Nb(Ⅴ), Ta(Ⅴ) Complexes With Indole-3-Acetic Acid Plant Hormone Ligand
Y. Al-Humaidi Jehan, A. Al-Saif Foziah, N. Binjawhar Dalal, A. Bakhsh Hanan, and S. Refat Moamen
Te(Ⅳ), Se(Ⅳ), V(Ⅲ), Nb(Ⅴ) and Ta(Ⅴ) complexes of indole-3-acetic acid (IAAH) ligand were synthesized, characterized by elemental analysis and various spectroscopic techniques like, IR, 1H-NMR, X-ray powder diffraction, UV-Visible, thermogravimetry analysis, magnetic measurements, molar conductance and surface morpholog
Spectroscopy and Spectral Analysis
  • Publication Date: Feb. 01, 2021
  • Vol. 41, Issue 2, 658 (2021)