Contents
2020
Volume: 40 Issue 4
55 Article(s)

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Application of Optimize Method in EDXRF Spectrum Unfolding
LIU Ming-bo, LIAO Xue-liang, HU Xue-qiang, HAN Bing, SHEN Xue-jing, CHEN Ji-wen, WANG Guo-hua, and WANG Hai-zhou
With the restriction of detector resolution in EDXRF, the peaks will be widened, and the overlapping of several peaks cannot be neglected especially in multi elements sample. The process of achieving the intensity of pure peaks, named spectrum unfolding is difficult. There are three unfolding methods traditionally, ROI
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 997 (2020)
Study on Correlation Between Total Organic Carbon, Soluble Hydrocarbon, Pyrolytic Hydrocarbon Content and Spectral Index in Source Rocks
YE Fa-wang, WANG Jian-gang, QIU Jun-ting, ZHANG Chuan, YU Xin-qi, and LIU Xiu
The total organic carbon content (TOC), soluble hydrocarbon content (S1) and pyrolysis hydrocarbon content (S2) of source rocks are important indicators for the study and evaluation of source rocks. In the past, they were mainly obtained through laboratory analysis, and the timeliness could not be guaranteed. In order
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1001 (2020)
The Slight Vibrations Compensation of FMCW Ranging Method Based on Three Light Paths Structure
ZHANG Tong, QU Xing-hua, and ZHANG Fu-min
The re-sample frequency modulation technology is a kind of ranging method. The optical structure of this method has boarder frequency modulated bandwidth, higher spatial resolution and accuracy. However, in the processing of practice measurement, the re-sample measurement device and the object to be measured are easily
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1007 (2020)
Time Evolution Characteristics of Laser-Induced Breakdown Spectroscopy under Combined Action of Cavity Confinement and Nanoparticles
REN Long, HAO Xiao-jian, YANG Yan-wei, and SUN Yong-kai
Laser-induced breakdown spectroscopy (LIBS) is a new material identification and quantitative analysis technology developed in the past twenty years, which has unique features including the simplicity of method, being rapid, simultaneous multi-element detection and being non-destructive to sample. The traditional LIBS
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1012 (2020)
Chemiluminescence Properties of OH* and CH* in Laminar and Turbulent Premixed Methane Flames
LIU Yao, TAN Jian-guo, and GAO Zheng-wang
Chemiluminescence is an inartificial indicator of flame structure and combustion processes, but the study on the measurement and diagnosis of turbulent flames using chemiluminescence is relatively rare. A piloted jet burner was designed to investigate the chemiluminescence of OH* and CH* in laminar and turbulent premix
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1018 (2020)
Study on Physical Properties and Spectra of AlO in External Radiation Field
WU Qi-jun, DU Qing, HAN Li-min, and WANG Ling-xuan
AlO radicals have attracted widespread attention in the fields of organometallic chemistry, catalytic materials, combustion chemistry and astrophysics. The study of the effects of external radiation on the physical and spectral properties of AlO radicals will help to further understand and enhance their applications in
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1023 (2020)
Highly Efficient Solution Processed Blue Thermally Activated Delayed Fluorescent Organic Light-Emitting Devices with a Mixed Hole Injection Layer
YANG Jian, ZHAO Su-ling, SONG Dan-dan, XU Zheng, QIAO Bo, WANG Peng, and WEI Peng
In the study of the solution-processed organic light-emitting devices (OLEDs), PEDOT∶PSS is often used as a hole injection layer (HIL) in OLEDs due to its good film-forming property and high light transmittance. However, related studies have shown that PEDOT∶PSS itself has defects, such as poor stability and low work f
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1028 (2020)
Effect of Water Vapor Treatment on the Performance of Quantum Dot Light-Emitting Diodes
ZHENG Xu-gang, SONG Dan-dan, ZHAO Su-ling, QIAO Bo, SHEN Chong-yu, and XU Zheng
In the study of Quantum-Dot Light-Emitting Diodes (QLEDs), theambient air, especially water and oxygen, has been a major factor affecting device performance. However, some phenomena have shown that water is one of the causes of the increase of luminance under the certain current of QLEDs. Therefore, this effect can be
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1034 (2020)
Transport Property of Upconversion Luminescence in Er/Yb Doped One-Dimensional NaYF4 Microcrystals
WANG Dan, GAO Dang-li, DAI Hui-li, ZHAO Dan, LIANG Yu-qian, WU Jia-ling, ZHAO Jin, and ZHANG Chun-ling
Rare earth doped upconversion material is a luminescent material that converts two or more long-wavelength, low-energy near-infrared photons into one short-wavelength, high-energy visible or ultraviolet photon. Due to its sharp line emission, long lifetime and no background luminescence characteristics, it has great ap
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1040 (2020)
Impact of the Spectra of LED Sources on the Light Adaptation in Tunnel Exit
DONG Li-li, QIN Ge, CHEN Yang, SHENG Xiong-fei, and XU Wen-hai
With the development of China’s economy, the development of highway tunnel construction is also rapidly. In the early stage of engineering design to ensure the safety of traffic in the tunnel, the power and location of the tunnel lighting sources all depend on the maximum outside luminance value and vehicle speed value
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1044 (2020)
Near Infrared Spectroscopic Modeling Method for Cement Raw Meal Components by Eliminating Background Moisture
HU Rong, LIU Wen-qing, XU Liang, JIN Ling, YANG Wei-feng, SHEN Xian-chun, CHEGN Xiao-xiao, WANG Yu-hao, HU Kai, and LIU Jian-guo
Fourier transform infrared (FTIR) spectroscopy has great potential for on-line analysis of cement raw meal components. As the air humidity on site is not stable due to the complex environment, it will cause interference to the on-line FTIR quantitative analysis of the four key components of Fe2O3, SiO2, CaO, Al2O3 in t
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1051 (2020)
A Variable Selection Method of the Selectivity Ratio Competitive Model Population Analysis for Near Infrared Spectroscopy
WANG Yu-xi, JIA Zhen-hong, YANG Jie, and Nikola K Kasabov
Spectral analysis is an important application of chemometrics and has been widely used in various fields. Spectral variable selection is a key part of spectral analysis. Therefore, it is critical to study different variable selection methods to objectively identify useful information variables or eliminate irrelevant a
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1056 (2020)
Aging Mechanism Analysis of High Temperature Vulcanization Silicone Rubber Irradiated by Ultraviolet Radiation Based on Infrared Spectra
LI Jing-jing, ZHANG Hui-hui, LI Guo-fang, ZHANG Shan-gang, LIU Yan, DONG Kun, ZU En-dong, and YU Lan
High temperature vulcanized (HTV) silicone rubber composite insulators are widely used in UHV transmission lines, and more and more attention has been paid to their ultraviolet aging resistance. In this paper, the samples of high temperature vulcanized silicone rubber come from two manufacturers, and the testing instru
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1063 (2020)
Simulation Study on Spectral Characteristics of Skin Tissue and Volume Pulse Wave in 400~1 000 nm Wavelength
ZHOU Liang, YU Jiang-jun, LIU Zhao-hui, LI Zhi-guo, and SHAN Qiu-sha
According to the anatomical structure of the skin tissue, we established a six-layer model, and the characteristic parameters of each layer of skin tissue were given. We considered the absorption characteristics of oxidized hemoglobin and reduced hemoglobin, and gave the spectral absorption coefficients of each layer o
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1071 (2020)
Study on Chaotic Signal Analysis and Multidimensional Composite Recognition of Penetration Characteristics in Laser Welding
SUN Qian, HUANG Rui-sheng, LI Xiao-yu, WANG Xu-you, LI Li-qun, and LIANG Xiao-mei
Because the optical signal has the characteristics of chaotic signal obviously in laser welding, such as large number of mixed information, complex changing in the time domain and the frequency domain, fluctuation violently of random signals, and so on, it is difficult to separate the characteristic information of pene
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1076 (2020)
Prediction of Organic Carbon Content of Intertidal Sediments Based on Visible-Near Infrared Spectroscopy
L Mei-rong, REN Guo-xing, LI Xue-ying, FAN Ping-ping, SUN Zhong-liang, HOU Guang-li, and LIU Yan
Visible-near infrared spectroscopy has been shown to be a fast and effective tool for organic carbon (TOC) content prediction. However, the research target of using spectral prediction of TOC content is mainly soil or lake sediment, and there is little research on marine sediments in intertidal zone. In order to predic
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1082 (2020)
Rapid and Sensitive Detection of Acrylamide in Fried Food Based on Surface-Enhanced Raman Spectroscopy
CHENG Jie, HAN Cai-qin, XIE Jian-chun, SU Xiao-ou, and WANG Pei-long
Acrylamide (AAm) is classified as a potential carcinogen and neurotoxin because of its neurotoxicity, reproductive toxicity, genotoxicity and immunotoxicity. The cooking of some carbohydrates-rich food at high temperature increases the high risk for exposure to AAm. It is of great significance and practical value to es
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1087 (2020)
Determination of Dopamine by Fluorescence Quenching-Recovery Method with Peanut Carbon Quantum Dots as Probe
MA Hong-yan, WANG Jing-yuan, ZHANG Yue-cheng, YANG Xiao-jun, and CHEN Xiao-li
As a new type of fluorescent carbon nano-functional materials, carbon quantum dots (CQDs) have extensively captivated attention due to their excellent biocompatibility and outstanding optical properties. In this work, a one-step method was developed for the preparation of green non-polluting CQDs with strong fluorescen
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1093 (2020)
Application of Deep Neural Network in Quantitative Analysis of VOCs by Infrared Spectroscopy
ZHANG Qiang, WEI Ru-yi, YAN Qiang-qiang, ZHAO Yu-di, ZHANG Xue-min, and YU Tao
In view of the fact that shallow artificial neural networks (ANNs) rely on prior knowledge for artificial extraction of features, while shallower network structures limit the ability of neural networks to learn complex nonlinear relationships, this paper applies deep neural networks (DNN) to the study of inversion of m
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1099 (2020)
Ultraviolet-Visible Spectral Characteristics and Mechanism Analysis of Purification of Phycobiliprotein by Column Chromatography
WU Kang, WANG Jia-quan, ZHAO Bing-bing, FANG Yan, and ZHANG Fa-yu
UV-Vis absorption spectroscopy can be applied not only to the analysis of phycobiliprotein species and purity, but also to the analysis and guidance of its extraction and purification processes. In this paper, the fresh cyanobacteria of Chaohu Lake were used as experimental material, and the phycocyanin and allophycocy
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1107 (2020)
High Color Gamut Quantum Dots LED and Its Application Research in Backlight Display
WANG Guo, YANG Xin, LI Dong-ying, SUN Xin-yu, FANG Yi-xu, ZHANG Yong, and SU Shi-chen
Quantum dots are widely used in the field of luminescence because of their unique and excellent optical properties. The most prominent feature is that the spectral tuning is convenient, and only the size of the material needs to be changed to realize the tuning of the luminescence spectrum. In combination with the need
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1113 (2020)
Smoothing Method for Sea Surface Rough Background Based on Multi-Spectral Forward-Looking Infrared Images Fusion
QIU Rong-chao, L Jun-wei, GONG Jian, LOU Shu-li, XIU Bing-nan, and MA Xin-xing
For effectively overcoming the influence of rough background including point-clutter, strip wave and highlighted area in single-spectral forward-looking infrared (FLIR) image, a smoothing method for sea surface rough background based on multi-spectral FLIR images fusion is proposed. The method makes full use of the com
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1120 (2020)
Determination of Nitrite Nitrogen Concentration in Surface Water Based on UV-Vis Spectral Analysis Method
LI Qing-bo, HE Lin-qian, CUI Hou-xin, HAO Long-teng, and SUN Dong-sheng
With the rapid development of China’s economy, surface water pollution has become increasingly serious. Therefore, it is of vital importance to realize the continuous monitoring of surface water quality to ensure human health and protect the environment. Nitrite nitrogen concentration is an important index in water qua
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1127 (2020)
Studyon the Spectral Properties of Riboflavin in Different Polar Solvents
FANG Zi-qiu, CHEN Guo-qing, and WU Ya-min
The steady-state absorption and fluorescence spectra and time-resolved fluorescence spectra of riboflavin in water, DMSO and chloroform were measured by British Edinburgh FLS920P spectrometer. It was found that the absorption peaks hardly change in different solvents, and the fluorescence peaks show a significant red s
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1132 (2020)
Application of Two-Trace Two-Dimensional Asynchronous Correlation Spectroscopy in Characterizing Intermolecular Interactions: A Feasibility Study
LI Xiao-pei, ZHANG Yong-jie, and XUE Li-zhen
Two-trace two-dimensional (2T2D) asynchronous correlation spectroscopy is a new method of generating two-dimensional asynchronous correlation spectroscopy based on a pair of one-dimensional (1D) spectra. Compared with the conventional two-dimensional asynchronous correlation spectroscopy where at least three 1D spectra
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1137 (2020)
Detection of Chemical Oxygen Demand (COD) of Water Quality Based on Fluorescence Emission Spectra
ZHOU Kun-peng, LIU Shuang-shuo, CUI Jian, ZHANG Hong-na, BI Wei-hong, and TANG Wei
The detection of parameters for water quality with spectral technique is a research hotspot at present. This paper proposes a method for the determination of chemical oxygen demand (COD) based on the fluorescence emission spectrum. Two groups of experimental samples are provided in the experiment, among which the funda
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1143 (2020)
Classification and Identification of Polycyclic Aromatic Hydrocarbons by Three-Dimensional Fluorescence Spectroscopy Combined with GA-SVM
WANG Shu-tao, LIU Na, CHENG Qi, CHE Xian-ge, LI Ming-shan, CUI Kai, and WANG Yu-tian
As an aromatic compound, Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous in human production and life. They have strong carcinogenicity and threaten human lives and health. Therefore, it is necessary to implement a simple, efficient, universal and accurate method to detect polycyclic aromatic hydrocarbons. Accor
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1149 (2020)
Identification of the Types and Writing Time of Black Signature Pen Handwriting Based on Raman Spectroscopy
WAN Jing-wei, CUI Sheng-feng, CHEN Lei, and MA Xue-bing
The identification of the type and the writing time of black signature pen handwriting has always been a hot topic in the field of forensic science at home and abroad. Based on the advantages of Raman spectroscopy, such as high resolution, good stability, high efficiency and nondestructive testing, 16 brands of black s
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1156 (2020)
In-situ Raman Spectroscopy Study on the Phase Transformation of BiFeO3 Ceramics in the Reaction Sintering Process
YIN Han-di, LI Zhao-xia, SUN Yue, RUAN Yin-jie, ZHUO Shang-jun, and CHENG Guo-feng
The multiferric BiFeO3 (BFO) has attracted much attention due to its magnetoelectric coupling effects. However, the phase transformation involved in the reaction sintering is still not clarified, which consequently restricts the synthesis of pure-phase BiFeO3 ceramics. In-situ High Temperature Raman Spectroscopy (in-si
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1162 (2020)
Surface-Enhanced Raman Scattering Transparent Devices Based on Nanocone Forests
ZHAO Qian, YANG Yu-dong, GUI Bo, MAO Hai-yang, LI Rui-rui, and CHEN Da-peng
Surface-enhanced Raman scattering(SERS) devices with advantages of being non-destructive, ultra-sensitive, and real-time are of significance. For now, most SERS devices are constructed on non-transparent substrates. When such non-transparent SERS devices are used to detect analytes with high concentrations, laser can o
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1168 (2020)
The Spectrum Characteristic Research of Color Change Effect and “Light Tarry Effect” Amber from Burma
SHUAI Chang-chun, YIN Zuo-wei, XUE Qing-fang, WAN Shao-long, and WU Xiao-bing
In recent years, the special color change effect and “light tarry effect” Amber from Burma have been found, and because of precious and rare, those special optical effect Burma Amber have high commercial value and research value. The formation mechanism of color change effect, “light tarry effect” and common Burma ambe
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1174 (2020)
Mineralogy and Spectra Study on Dougeng Stone from Shoushan, Fujian Province
XI Jia-xin, and CHEN Tao
This paper studied main characteristics of Dougeng stone, by means of several Spectra methods like X-ray powder diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Raman spectra, as well as mineralogical methods like hydrostatic weighing method, scanning electron microscope (SEM) and liquid chemistry
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1179 (2020)
Spectroscopic Analysis of Relics Unearthed from Xipo Site
LU Xiao-ke, LI Wei-dong, and LI Xin-wei
At present, spectroscopy analysis has become an important technical means to support the development of archaeometry, and has played an important role in origin research, coloring mechanism, dating analysis, etc. The Xipo site in Lingbao city, Henan Province, with its rich Yangshao culture remains, has been identified
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1186 (2020)
Spectroscopic Analysis of Activated Carbon Mixed with Steel Slag Composite Material in Sintering Flue Gas of Desulfurization and Denitration
ZHANG Hao, and FAN Wei-wei
Steel slag tailings are the main solid waste in metallurgical industry, with the production of 15%~20% of crude steel. The utilization ratio is quite low and only reaches 10% of steel slag tailings production due to limited technology. Meanwhile, steel slag tailings are disposed in direct stacking and landfill in gener
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1195 (2020)
Determination of Indium in Flue Ash via ICP-AES Method
ZHOU Xi-lin, WANG Jiao-na, MI Hai-peng, HUANG Qing-qing, and LIU Zhong-ming
Indium is a silver-white rare and scattered metal with an average mass fraction of 0.000 01% in the earth’s crust. In order to accurately determine the low content of indium in the flue ash sample, we preliminarily analyzed the composition of the sample to ascertain the dissolved acid and its proportion in our work. Th
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1201 (2020)
Matrix Effect and Quantitative Analysis of Iron Filings with Different Particle Size Based on LIBS
GONG Ting-ting, TIAN Ye, CHEN Qian, XUE Bo-yang, HUANG Fu-zhen, WANG Lin-tao, and LI Ying
Laser Induced Breakdown Spectroscopy (LIBS) analysis with solid target is greatly affected by the physical morphology and chemical properties of the sample surface. Therefore, the analysis of matrix effect is greatly significant for the study of LIBS online detection. In view of the fact that the current research objec
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1207 (2020)
Determination of Lithium in High Salinity Samples by Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES)
HAN Tao, YU Xiao-ping, GUO Ya-fei, LI Ming-li, DUO Ji, and DENG Tian-long
Lithium is an important strategic metal and new energy material, and its development and utilization has attracted extensive attention worldwide. There are huge amounts of lithium resources in high salinity brines especially in salt lake brines and underground brines. It is necessary to accurately determine lithium con
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1214 (2020)
Research on a Decomposing Method of Low-Resolution Overlapping Peaks in X-Ray Fluorescence Spectra
ZHOU Shi-rong, HE Jian-feng, REN Yin-quan, WANG Xue-yuan, and YE Zhi-xiang
Since the element’s own characteristic X-rays with low atomic number and the characteristic X-rays between different elements interfere with each other, the measured spectra will be seriously overlapped due to the limitation of the energy resolution of the instrument. In this paper, chromatographic resolution Rs is use
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1221 (2020)
Advances in X-Ray Diffraction for the Determination of Clay Minerals in Soil
XU Lei, YUAN Hui-min, JIANG Rong-feng, WANG Yan-feng, WU Liang, and WANG Sheng-feng
Soil is composed of particles of different sizes and shapes, among which clay mineral is one of the important parts of soil. It not only contains the formation track, genetic characteristics and changes of soil environment, but also plays a role in retaining and storing nutrients and water in soil. At the same time, du
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1227 (2020)
Effects of Straw Returning on Soil WSOC Fluorescence Characteristics with Different Tillage Methods
LI Yu-mei, WANG Gen-lin, LI Cheng-yang, LIU Zheng-yu, MENG Xiang-hai, WANG Wei, SHAO Guang-zhong, and HU Ying-hui
To study the effect of straw returning on composition of soil water-soluble carbon, the fluorescence spectral characteristics of WSOCwith depth were researched onland meadows with continuous no-tillage, shallow turning, deep turning and no-till cover, shallow and deep straw returning methods, and the results showed tha
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1232 (2020)
Rapid Detection of Soil Moisture Content Based on UAV Multispectral Image
LI Xin-xing, ZHU Chen-guang, FU Ze-tian, YAN Hai-jun, PENG Yao-qi, and ZHENG Yong-jun
In this paper, we studied the correlation between multispectral soil reflectance and soil moisture content. In this paper, the Tongzhou experimental station of China Agricultural University was selected as the research area. In the experimental wheat field of this experimental station,wecollected100 groups of soil samp
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1238 (2020)
Estimation Method of Fry Body Length Based on Visible Spectrum
LI Zhen-bo, NIU Bing-shan, PENG Fang, and LI Guang-yao
In the process of fry breeding, the same breeding pond will appear that the individual large fry attacks small individual fry, and the individual small fry will suffer injury or even death, resulting in economic loss, and the fry pond and the selling price are mainly related to their body length parameters, so separati
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1243 (2020)
Rapid Detection of Extra Virgin Olive Oil Based on Supercontinuum Spectroscopy
WANG Hong-peng, WAN Xiong, and YUAN Ru-jun
As a kind of cold pressed vegetable oil, extra virgin olive oil is abundant in unsaturated fatty acids and polyphenols. Therefore, the problem of olive oil adulteration is also one of the most serious problems in the industry. China’s consumption of olive oil is increasing day by day, the domestic olive oil market is m
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1251 (2020)
Water Content Detection of Maize Leaves Based on Multispectral Images
PENG Yao-qi, XIAO Ying-xin, FU Ze-tian, DONG Yu-hong, LI Xin-xing, YAN Hai-jun, and ZHENG Yong-jun
Water is part of the essential elements for the normal growth and development of plants. The ability to detect and obtain plant leaf moisture quickly is of great importance to the study of crop irrigation production management and the physiological water demand characteristics of crops in the field. Using RedEdge-M mul
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1257 (2020)
Rapid and Non-Destructive Detection of Tan Sheep Meat MetMb Contents Using Hyperspectral Imaging
CHENG Li-juan, LIU Gui-shan, HE Jian-guo, WAN Guo-ling, MA Chao, BAN Jing-jing, MA Li-min, YANG Guo-hua, and YUAN Rui-rui
The proportion of Metmyoglobin (MetMb) in meat directly affects the color of the meat. This paper combined the visible near-infrared spectroscopy (ViS-NIR) data of Tan sheep meat with the chemometric method to explore the feasibility of rapid non-destructive detection of MetMb content in Tan sheep by hyperspectral imag
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1263 (2020)
Geographical Origin Identification of Lycium Barbarum Using Near-Infrared Hyperspectral Imaging
WANG Lei, QIN Hong, LI Jing, ZHANG Xiao-bo, YU Li-na, LI Wei-jun, and HUANG Lu-qi
Lycium barbarum produced in Ningxia belongs to the genuine regional drugs contained in the Pharmacopoeia of the People's Republic of China. Due to the small planting area, low yield, high medicinal value and high consumer preference, the market is filled with chaos, and the phenomenon of passing others origins off
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1270 (2020)
The Origin Identification Study of Boletus Edulis Based on the Infrared Spctrum Data Fusion Strategy
HU Yi-ran, LI Jie-qing, LIU Hong-gao, FAN Mao-pan, and WANG Yuan-zhong
In recent years, food safety problems happened frequently, and consumers pay more and more attention to the environmental safety of food origin, which leads to an increase in demand for geographical indication products. As a healthy food, the quality of Boletus edulis is greatly affected by the environment of its origi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1276 (2020)
Effects of Root Zone Temperature Increase on Fourier Transform Infrared Spectroscopy Content of Main Metabolites and Chlorophyll in Maize Seedlings
XIA Zhen-qing, SI Lei-yong, JIN Yan, FU Ya-fang, WANG Qi, and LU Hai-dong
In order to study the effects of root zone temperature on the main metabolites and chlorophyll content of maize seedlings, the spectral characteristics and chlorophyll content of two maize cultivars under three root zone temperature levels were determined by Fourier transform infrared spectroscopy and SPAD-502 chloroph
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1283 (2020)
Study on Ultraviolet Imaging Remote Sensing Monitoring Technology for SO2 Gas Emission
XIONG Yuan-hui, LUO Zhong-jie, CHEN Zhen-wei, YU Guang-bao, DUAN Wei-min, LIU Lin-mei, LI Fa-quan, and WU Kui-jun
SO2 emissions from industrial smokestacks and ship exhausts is an important factor causing air pollution. SO2 is easy to be oxidized into sulfuric acid fog or sulfate aerosol, which produces acid rain and seriously endangers the balance of atmospheric, ecological environment and harms human health. The existing SO2 opt
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1289 (2020)
Automatic Measurement of Stellar Atmospheric Physical Parameters Based on Kernel Ridge Regression Method
LI Hang-fei, TU Liang-ping, HU Yu-han, LIU Hao, and ZHAO Jian
Through observing and analyzing these celestial spectra, astronomers can obtain effective astronomical information to research the theory of astronomy and astrophysics. And a large scientific engineering project in China, the LAMOST survey program can obtain a large number of celestial spectra every observation night.
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1297 (2020)
P-Cygni Profile Analysis of the Spectrum: LAMOST J152238.11+333136.1
QU Cai-Xia, YANG Hai-feng, CAI Jiang-hui, and XUN Ya-ling
LAMOST first-tage regular survey has been successfully observed more than 150 000 galaxy spectra, which will provide necessary data for mining the precious and rare objects to improve the existing cosmogony theories. The advanced information technologies will provide effective tools to mine these rare samples from the
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1304 (2020)
Elemental Analysis of Tea Leaves (Camellia Sinensis) and Their Own Soils at Eastern Black Sea Region in Turkey
Canan Aksoy, Hatice Kabaoglu, Gkhan Apaydn, Aziz Safi, and Engin Trasoglu
People consume tea brewed from the leaves of the Camellia sinensis plant for about 50 centuries. Health benefits of the tea have been investigated for about three decades. Especially green tea shows antitoxic and lots of properties with its determined ingredients. Turkey is not only the one of the best consumer and but
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1315 (2020)
The Characterization on Organic Sulfur Occurrence in Coking Coal and Mechanism of Microwave Actionon Thiophene
GE Tao, CAI Chuan-chuan, CHEN Ping, MIN Fan-fei, and ZHANG Ming-xu
To understand the endowment characteristics of the organic sulfur in coking coal and know about the chemical mechanism of microwave to organic sulfur in coal are of great importance to the enrichment of the coal desulfurization theory, optimization of the microwave desulfurization process of coal and development of new
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1321 (2020)
[in Chinese]
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 40, Issue 4, 1 (2020)