Contents
2024
Volume: 44 Issue 12
37 Article(s)

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Methods of Processing XPS Data for Calculating Film Thickness
LIU Han, and CHEN Meng
The X-ray Photoelectron Spectroscopy (XPS) technique can provide information about the chemical states of various elements on the sample surface and the peak intensities and positions of their spectra. The thickness of thin films can be calculated by utilizing this information and the equation for photoelectron signals
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3301 (2024)
Research Progress of Tumor Diagnosis and Therapy Based on Terahertz Technology
LIU Heng, SHEN Li-ran, GUAN Han-xiao, CAO Yu-qi, HUANG Ping-jie, HOU Di-bo, and ZHANG Guang-xin
The diagnosis and treatment of tumors have beena hot medical research area for a long time. Terahertz technology has great potential for application in the biomedical field due to its low photon energy, label-free, and high temporal resolution. This paper introduces the application of terahertz technology in tumor diag
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3306 (2024)
Raman Spectral Characteristics of Multi-Stage Pyrite in Woxi Gold Deposit, Hunan Province and Its Indicative Significance
ZHANG Jian, XU De-ru, and DAI Jun-feng
This study determined the average Raman shifts (Ag/cm-1) of pyrites in three stages, Py1, Py2, and Py3, in the Woxi gold deposit, which were 378.3, 372.5, and 380.3, respectively, indicating the deposit have gone through a process of high pressure, low pressure,and high pressure; The average full width at half maximum
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3315 (2024)
Determination of Metal Elements in Lubricant Oil by Beeswax Sample Preparation Assisted Laser-Induced Breakdown Spectroscopy
SHAO Yan, LÜ, LIN Jing-jun, ZHENG Kai-feng, ZHAO Bai-xuan, ZHAO Ying-ze, CHEN Yu-peng, QIN Yu-xin, WANG Wei-biao, LIN Xiao-mei, and LIANG Jing-qiu
To improve the detection effect of laser-induced breakdown spectroscopy on the metal elements in lubricating oil and avoid the problems of plasma quenching, oil splashing, and low spectral intensity when laser-induced breakdown spectroscopy is applied to the detection of lubricating oil, beeswax was used as the matrix
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3321 (2024)
Raman Signal Extraction Method Based on Full Spectrum Principal Component Analysis
WANG Fang-yuan, ZHANG Jing-yi, YE Song, LI Shu, and WANG Xin-qiang
Raman spectra are scattering spectra based on the Raman scattering effect. Since the vibration and rotation energy characteristics of different kinds of substances are unique, the resulting Raman scattering spectra are also unique. Raman spectroscopy is very advantageous in identifying the composition of substances. It
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3327 (2024)
Research on the Correction of Spatial Heterodyne Interference Data Based on Principal Component Analysis
WANG Xin-qiang, WANG Zhen, QIN Shan, XIONG Wei, WANG Fang-yuan, YE Song, and NIE Kun
Spatial Heterodyne Spectroscopy(SHS)is a new hyperspectral remote sensing detection technology widely used in atmospheric observation, astronomical remote sensing, material identification, and other fields. Two-dimensional measured interferometric data acquired by SHS can be interfered with by various influences, of wh
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3333 (2024)
Different Feature Selection Methods Combined With Laser-Induced Breakdown Spectroscopy Were Used to Quantify the Contents of Nickel, Titanium and Chromium in Stainless Steel
WU Zhuo, SU Xiao-hui, FAN Bo-wen, ZHU Hui-hui, ZHANG Yu-bo, FANG Bin, WANG Yi-fan, and LÜ
Laser-induced breakdown spectroscopy (LIBS) technology, as an effective tool for material composition analysis, has broad application value. However, due to the poor repeatability of LIBS and the influence of matrix and self-absorption effects, spectral data contains a large number of redundant features that are useles
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3339 (2024)
Moisture Content Online Detection in Fluidized Bed Drying Process Based on Near Infrared Spectroscopy and XGBoost
HE Shuai, ZHOU Jie, ZHANG Fu-lin, and MU Guo-qing
Moisture content significantly impacts the properties (e.g., stability and compressibility) of chemical and pharmaceutical granular products. The traditional fluidized bed drying process moisture detection uses traditional instrumentation to detect the process of humidity, temperature, and other characterization variab
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3347 (2024)
In-Situ FTIR Study on the Crystallization Process of Supersaturated Magnesium Borate Solution Process
JIA Li-fan, SONG Lu-lu, DU Yi-fa, ZHANG Yun-hong, PAN Jian-ming, ZHOU Yong-quan, and ZHU Fa-yan
The magnesium borate system’s dynamic behavior was investigated using ATR-FTIR and a self-made continuous humidity adjustable device. The supersaturation transformation and crystallization process of the three kinds of Ascharite, including Hungchaoite, Mcallisterite, and Inderite, were studied. Continuous adjustment of
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3353 (2024)
Development of a Homemade Chopper and Its Application to Photoacoustic Spectroscopy for CO2 Measurement
PENG Jie, WANG Rui-feng, CAO Yuan, MEI Jiao-xu, WANG Gui-shi, LIU Kun, GAO Xiao-ming, and CHENG Gang
In photoacoustic spectroscopy, periodic modulation of light sources is one of the necessary conditions for generating photoacoustic signals. The modulation can only be realized using mechanical choppers for some light sources, such as infrared radiation sources applied in broadband photoacoustic spectroscopy. However,
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3364 (2024)
Multifunctional Terahertz Metasurface Controlled by Left/Right Circularly Polarized Waves
JIANG Ming-yang, LI Jiu-sheng, and GUO Feng-lei
Terahertz waves are electromagnetic waves with frequencies between 0.1 and 10 THz, between microwave and infrared, with strong penetration, high resolution, no ionizing radiation, and other advantages, which have a wide range of application prospects in the fields of safety detection, medical diagnosis, material analys
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3371 (2024)
Implementing Painted Wood Species Classification With Two Neural Networks for Spectral Rectification
WANG Cheng-kun, CHEN Guang-sheng, YANG Zhong, ZHAO Peng, and DING Hao-tian
Wood species can be classified according to thedifferences in spectral reflectance of different wood surfaces. To prevent wood corruption or cracking, glorify the appearance, and prolong the service time of wood products, wood surfaces often need to be coated with paints in the production practice of wooden furniture a
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3378 (2024)
The Cysteine-Protected Copper Nanoclusters for Rapid Detection of p-Nitrophenol
HE Xuan, OU Li-juan, XIE Yu-dan, LUO Jian-xin, DU Cong, and ZHANG Chun-yan
4-nitrophenol (4-NP), a phenolic compound with highly toxic and carcinogenic properties, has become a global concern. As a fluorescence probe, a rapid and sensitive fluorescence assay for 4-NP was developed using cysteine-protected copper nanoclusters (Cys-CuNCs). The Cys-CuNCs were prepared using ascorbic acid-capped
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3387 (2024)
A Model for Evaluating the Quality of Original Liquor Using Three-Dimensional Fluorescence Spectra
SUN Yong-rong, QUAN Zhi-xi, DING Lin-zhi, FENG Shou-shuai, LONG Ling-feng, and YANG Hai-lin
At present, traditional liquor selection commonly employs the method of “liquor picking by flowers” during production, relying on workers’ subjective experience for evaluation. However, multiple influencing factors affect the actual production, resulting in uncertainty in the process of liquor connection, posing challe
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3391 (2024)
A Model Transfer Method Based on Transfer Component Analysis and Direct Correction
LI Ling-qiao, WANG Zhuo-jian, CHEN Jiang-hai, LU Feng, HUANG Dian-gui, YANG Hui-hua, and LI Quan
Near-infrared spectroscopy has been widely used due to its high efficiency and non-destructive properties advantages. However, the consistency phenomenon between near-infrared spectrometers can lead to insufficient accuracy when the master model predicts the spectra of its slave instruments. If the calibration model is
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3399 (2024)
In Situ Quantitative Analysis of Elements in X80 Pipeline Steel Welds
HAN Mei, JIA Yun-hai, DAI Lian-shuang, HU Jing-yu, ZHAO Lei, ZHANG Xi, WEI Chen, and WANG Hai-zhou
X80 high-grade pipeline steel is the main material used in long-distance oil and gas transmission pipelines. During the application process, it was found that there was a significant difference in the toughness of the weld metal after welding steel plates from different manufacturers, which seriously affected the safet
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3406 (2024)
Study on the Firing Process and Composition of Coarse White Porcelain From the Hebi Ji Kiln During the Song and Jin Dynasties
LI Ji-hong, ZHAO Wei-juan, ZHANG Bin, NIU He-bin, WANG Bing, and LIU Hai-dong
As a famous folk kiln in the northern central plains, the Hebi Ji kiln had a grand production scale, a wide variety of types, and exquisite craftsmanship, with white-glazed porcelain as its main production. Also, it produced a variety of glazed porcelains, such as black-glazed, Jun-glazed, yellow-glazed, and bean-glaze
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3414 (2024)
Influence of Optical Fiber Mode Speckle on the Measurement Accuracy ofAstronomical Optical Fiber Spectrum and Its Suppression Method
WANG An-zhi, JIN Ling-yu, WANG Jia-bin, GAN Zhao-xu, YUE Gang, YANG Hao-jie, HU Dong-sheng, CHEN Chuan-qi, YAN Qi, YAN Yun-xiang, WANG Sheng-jia, GENG Tao, and SUN Wei-min
In high-resolution astronomical spectral detection using multi-mode optical fibers for solar surface magnetic field and visual velocity measurement, there is a significant phenomenon of uneven energy distribution and speckle in the obtained spectral images. Analyzing the reasons, it can be concluded that during fiber o
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3422 (2024)
Study on the Spectrum and Visualization of “Trapiche” Tourmaline Based on Hyperspectral Imaging Technology
CHEN Cheng, YAN Bing, YIN Zuo-wei, CAO Wei-yu, and WANG Wen-jing
“Trapiche” tourmaline is a rare variety of tourmaline. Conventional gemstone identification instruments, infrared spectrometers, X-ray fluorescence spectrometers, and hyperspectral imaging techniques were used to test and analyze it. This paper aims to discuss the application of hyperspectral imaging technology in comp
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3429 (2024)
Association Between Association Between DOM Composition Characteristics and CH4 Emission of Chinese Milk Vetch Amended Under Different WaterManagement
LIU Han, MA Ting-ting, WAN Li, CHEN Xiao-fen, ZHOU Guo-peng, SUN Jin-xin, ZHU An-fan, LI Yan-li, and LIU Jia
In order to study the relationship between the composition and structure of dissolved organic matter (DOM) and methane (CH4) emissions in the paddy soil with Chinese milk vetch returning under different water managements (flooding after a short time delay), we set an incubation experiment, with no green manure and no t
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3435 (2024)
Estimation of Potato LAI Using UAV Multispectral and Multiband Combined Textures
GUO Li-xiao, CHEN Zhi-chao, MA Yan-peng, BIAN Ming-bo, FAN Yi-guang, CHEN Ri-qiang, LIU Yang, and FENG Hai-kuan
The leaf area index (LAI) is an important indicator for characterizing crop growth, so an efficient and accurate estimation of crop LAI can guide field production management. Spectral features can provide information about the reflected and absorbed wavelengths of crops, while texture features can provide information a
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3443 (2024)
Nondestructive Detection of Catalase Activity in Melon Leaves By Fluorescence Hyperspectral Imagery
WANG Jing, MA Ling, MA Si-yan, MA Yan, ZHANG Yi-yang, and WU Long-guo
To achieve timely monitoring of plant growth, rapid detection of differences in the distribution of catalase activity in melon leaves under different light intensities is essential. In this study, melon leaves were treated with different light intensities. Then the leaves were scanned using fluorescence hyperspectral i
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3455 (2024)
Spectral Recognition of Sandalwood Based on Peak and Valley Feature Extraction Technique
ZHUANG Peng-yan, NIU Jia-shun, CHENG Jun, LU Jing-yi, SUN Jian-ping, and HE Tuo
With the rapid growth of the economic level, people’s demand for mahogany products is increasing day by day. As precious mahogany, criminals replace sandalwood and counterfeit it because of its spiritual pursuit and high price. To maintain the order of the timber market and the interests of consumers and realize the ra
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3463 (2024)
Silver Nanowire-Gold Plasmonic Nanostars SERS Detection of Dissolved Acetone in Oil
LUO Wen-xuan, and WAN Fu
Oil-paper insulation equipment is one of the key components in power systems, and accurately assessing the aging status of electrical equipment’s oil-paper insulation is crucial for ensuring the safety of power grids. Acetone is an important indicator of the aging process of insulation paper, and the rapid, sensitive,
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3473 (2024)
Research on Effectiveness of the Pre-Training Model in Improving the Performance of Spectral Feature Extraction
REN Ju-xiang, and LIU Zhong-bao
The development of observation technology has led to massive spectral data. How to automatically classify these data has received attention from researchers, the most important of which is feature extraction. Given the limitations of manual processing, most of the research uses machine learning algorithms to extract fe
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3480 (2024)
Hidden Handwriting Recognition of Calligraphy Artifact Based on Hyperspectral Technology
GAO Yu, SUN Xue-jian, LI Guang-hua, ZHANG Li-fu, QU Liang, and ZHANG Dong-hui
The content of ancient calligraphy artifacts contains crucial information documenting the social civilization of ancient China. Obtaining and identifying hidden inscriptions within the paper surface is important for historical background research on cultural relics and the collection of humanistic classics. However, tr
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3485 (2024)
Study on Inversion Method of Anshan-Type Iron Ore Grade Based on Hyperspectral Image
CAO Wang, MAO Ya-chun, WEN Jie, DING Rui-bo, XU Meng-yuan, and FU Yan-hua
Iron ore grade is an important index used to evaluate the degree of wealth and economic value of iron ore, and the verification efficiency of iron ore grade greatly influences the efficiency of iron ore mining. Because of the advantages of hyperspectral images in the fields of substance classification and content inver
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3494 (2024)
Study on Global Spatial Distribution of Surface-Atmosphere Clutter inMid-Infrared Atmospheric Strong Absorption Band
YAO Qian, LI Zheng-qiang, FAN Cheng, XU Hua, WANG Si-heng, and CHEN Zhen-ting
The mid-infrared(MIR) atmospheric strong absorption wavelength bands(near 2.7 and 4.3 m) have the characteristics of suppressing background clutter signals, which are often used on the payload of infrared early warning satellites to achieve stable detection and tracking of targets. The background clutter fluctuation le
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3504 (2024)
Hyperspectral Inversion Method for Natural Grassland Canopy SPAD ValueBased on Scaling Up of Green Coverage Rate
ZHANG Ai-wu, LI Meng-nan, SHI Jian-cong, and PANG Hai-yang
Chlorophyll is a crucial indicator for assessing grasslands’ photosynthetic capacity and physiological condition.With its rich spectral information, hyperspectral remote sensing has become an important means for non-invasively estimating chlorophyll content in grasslands. However, there is a scale mismatch between the
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3513 (2024)
Research on the Inverse Model of Paper Viscosity Based on Hyperspectral Data
WANG Sa, QU Liang, ZHANG Li-fu, GAO Yu, LI Guang-hua, and CHANG Jing-jing
Paper-based cultural relics hold crucial significance to the historical and cultural heritage and the continuation of the national spirit in China. At the same time, the aging of paper seriously affects the longevity of artifacts. Paper viscosity is an important indicator reflecting the degree of paper aging. Tradition
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3524 (2024)
A Hyperspectral Recognition Method for Camouflaged Targets Based on Background Dictionary Sparse Representation
XU Jing-yu, BAO Ni-sha, LANG Jie-shuang, LIU Shan-jun, MAO Ya-chun, and HE Li-ming
Referring to the current use of sparse representation algorithms to extract camouflaged targets from hyperspectral images, the selection of the background dictionary is affected by the “same spectrum of different objects” of the hidden targets, resulting in the inability to detect camouflaged targets accurately. In thi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3534 (2024)
Deep Learning-Based Monitoring of Nutrient Content in Pear Trees
HUANG Lin-feng, JIANG Xue-song, JIA Zhi-cheng, ZHOU Hong-ping, ZHOU Lei, and RONG Zi-fan
To achieve wide-scale, accurate, and timely monitoring of pear nutrients during the growth and fruiting periods of pear trees and to further provide protection and adjustment strategies for pear fertilization management and pear fruit quality improvement, we used the ASD FieldSpec3 hyperspectral spectroscopy system to
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3543 (2024)
FTIR Quantitative Analysis of Evolution and Interaction of Plastic Layer in Coking Process
TIE Wei-bo, WANG Qi, GAN Xiu-shi, WANG Xu, HUANG Jun-chen, YANG Song-tao, and ZHANG Song
The plastic layer is an important intermediate phase in the coking process. Its structure evolution and the interference between different structures in the coal blending process are of great significance for understanding coal’s properties and the blending’s interaction mechanism. This paper used self-made coking-rela
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3553 (2024)
Anisotropic and Heterogeneity of Coal Measures Graphite Micro-Crystalline Structure by Raman Spectroscopy
LI Huan-tong, ZOU Xiao-yan, XIA Yan, and ZHANG Wei-guo
Coal is very sensitive to geological environmental conditions such as temperature and pressure. Driven by tectonic stress, coal’s “graphite crystallite” structure grows in orientation, and the physical chemistry and structure show anisotropy. X-ray diffraction and Raman spectroscopy characterized the samples with diffe
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3560 (2024)
Characterization of the Sources and Composition of Dissolved Organic Matter in the High Occurrence Area of Algal Blooms in Northern Lake Taihu
HAN Zi-yi, ZHOU Yong-qiang, and GENG Chun-nü
With the rapid socioeconomic development in theLake Taihu basin, a large amount of industrial, agricultural, and domestic wastewater has been discharged into Lake Taihu, and nutrients have been enriched, especially in the northern lake regions of Lake Taihu, where algal blooms occur frequently. In the spring, summer, a
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3568 (2024)
Determination of Two Quinolone Antibiotics in Environmental Water Samples Using Fluorescence Spectrum Coupled With Support Vector Machine Regression
WANG Yi-fei, WANG Xiao-dong, Zakhar Maletskyi, WANG Sha-sha, and MA Ji-ping
Quinolone antibiotics (QNs) are extensively utilized in treating diseases and animal husbandry owing to their potent antimicrobial properties. However, the excessive utilization of QNs and their release into environmental water sources via wastewater results in their accumulation in natural aquatic ecosystems. The cons
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 16, 2025
  • Vol. 44, Issue 12, 3576 (2024)
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Spectroscopy and Spectral Analysis
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