Contents
2021
Volume: 41 Issue 6
55 Article(s)

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Research Progress in Identification and Detection of Fungi Based on SERS Spectroscopy
LI Ling, HE Xin-yu, LI Shi-fang, GE Chuang, and XU Yi
Fungi are a group of pathogenic microorganisms with nuclei and cell walls. They are widespread and cause a variety of diseases in animals, plants, and humans. Fungal infection is one of the most common clinical infectious diseases, making the efficient detection method and related research of fungi attract more attenti
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1661 (2021)
Research Progress of Terahertz Metamaterial Biosensors
YANG Jun, QI Li-mei, WU Li-qin, LAN Feng, LAN Chu-wen, TAO Xiang, and LIU Zi-yu
Terahertz (THz) wave, refers to the frequency range of 0.1~10 THz electromagnetic wave located in the electromagnetic spectrum between infrared and microwave. The photon energy of the Terahertz wave is lower than that of visible light, and the corresponding energy of 1 THz is only about 4.14 meV, which means the damage
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1669 (2021)
Study on Terahertz Absorption Characteristics of Water Based on Microfluidic Technology
WANG Guo-yang, BAI Zhi-chen, WANG Jia-hui, SU Bo, and ZHANG Cun-lin
The characteristic vibration mode and rotation mode of many biomacromolecules are located in the terahertz band, and the low electron energy characteristic of the terahertz wave makes it impossible to destroy the samples to be measured in the experimental process, so terahertz technology can be used to identify biologi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1678 (2021)
Terahertz Transmission Characteristics of Water Induced by Electric Field
CAI Yan, WANG Jia-hui, BAI Zhi-chen, SU Bo, WU Rui, CUI Hai-lin, and ZHANG Cun-lin
Many biomolecules’ rotation, vibration or the whole vibration mode of the molecular group are located in the terahertz band, so we can use terahertz spectrum technology to detect biomolecules. At the same time, because the photon energy of the terahertz wave is only millivolts, it will not damage the internal structure
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1683 (2021)
Polarizability Measurements for Salicylic Acid Embedded in Polymer Matrix Using Terahertz Time-Domain Spectroscopy
ZHANG Tian-yao, ZHANG Zhao-hui, ZHAO Xiao-yan, WEI Qing-yang, CAO Can, YU Yang, LI Ying, and LI Xing-yue
Polarizability acts as an essential property in the design of novel materials. It is of great significance to obtain the dynamic polarizability over terahertz frequencies for substance containing complex intermolecular interactions. The experimental access of the polarizability is based on the accurate determination of
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1688 (2021)
Ultrafast Dynamics Investigation on Alizarin by Transient Absorption Spectroscopy
QIN Chao-chao, LIU Hua, and ZHOU Zhong-po
Excited proton transfer is one of the most basic chemical reactions in photo-physics, photochemistry and photobiology. Excited state intramolecular proton transfer (ESIPT) is usually defined as the process of proton transfer from the proton-donor group to the proton-acceptor group on the excited state energy surface, f
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1695 (2021)
Spectroscopic Studies on the Interaction Between Salvianolic Acid B and Bovine Serum Albumin
ZHANG Chuan-ying, PENG Xin, RAO Heng-jun, QI Wei, SU Rong-xin, and HE Zhi-min
As the main water-soluble active ingredient from Salvia miltiorrhiza, salvianolic acid B (SAB) has a wide range of biological activities. Serum albumin is the most abundant protein in plasma (about 60%) and can bind with various endogenous and exogenous compounds, which can play a role in the storage and transport of c
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1701 (2021)
Reconstruction of Stack Plume Based on Imaging Differential Absorption Spectroscopy and Compressed Sensing
ZHONG Ming-yu, ZHOU Hai-jin, SI Fu-qi, WANG Yu, DOU Ke, and SU Jing-ming
The quality of computed tomography image of stack plume has two limits. Oneof the limitations isthe temporal resolution of data acquisition of remote sensing instrument. The conventional remote sensing instrument used for tomography is an multi-axis differential optical absorption spectrometer. Limited by its’ speed of
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1708 (2021)
Study on Simultaneous Classification of Hardwood and Softwood Species Based on Spectral and Image Characteristics
WANG Cheng-kun, and ZHAO Peng
Wood is an indispensable renewable resource in people’s lives, and it also plays a vital role in architecture, craft, furniture, structural material and so on. The common wood species in the market are various, and the quality and price of different wood species also differ very much.Therefore, the use of intelligent t
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1713 (2021)
Sensitive Bands Selection and Nitrogen Content Monitoring of Rice Based on Gaussian Regression Analysis
WANG Jiao-jiao, SONG Xiao-yu, MEI Xin, YANG Gui-jun, LI Zhen-hai, LI He-li, and MENG Yang
Accurate detection of rice nitrogen content is an important aspect of precision fertilization in rice fields. Nitrogen content variation of rice leaves will cause changes in emissivity of leaves and canopy. Hyperspectral remote sensing is one of the key technologies for non-destructive monitoring of crop nitrogen. This
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1722 (2021)
Chlorophyll Content Estimation of Jujube Leaves Based on GWLS-SVR Model
Nigela Tuerxun, Sulei Naibi, GAO Jian, SHEN Jiang-long, ZHENG Jiang-hua, and YU Dan-lin
Chlorophyll Contentis an indicator of the photosynthetic capacity, growth and nutritional status of jujube trees. The distribution of chlorophyll content is different in jujube trees planted in different geographical locations under the influence of natural and human-made factors. The Hyperspectral reflectance of jujub
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1730 (2021)
A Comparative Study on Roujean and Ross Li Models of Winter Jujube in South Xinjiang Under Different Outdoor Light
SUO Yu-ting, LUO Hua-ping, LIU Jin-xiu, LI Wei, CHEN Chong, XU Jia-yi, and WANG Chang-xu
How to eliminate or reduce the difference of inversion data and improve the detection accuracy under different illumination is a big problem in the outdoor detection of winter jujube in South Xinjiang. Therefore, this paper obtains the bidirectional reflection distribution function of winter jujube in South Xinjiang by
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1737 (2021)
Velocity Measurement Technology of Supersonic Flow Field Based on Spontaneous Emission Spectrum
QI Xin-hua, CHEN Li, YAN Bo, MU Jin-he, CHEN Shuang, and ZHOU Jiang-ning
The measurement of plasma state parameters is an important basis for studying plasma characteristics, including plasma simulated reentry environment, plasma stealth, plasma drag reduction, and boundary layer control. Based on the spontaneous emission spectrum of the plasma jet, a new method of plasma supersonic jet vel
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1745 (2021)
Vehicle Exhaust Detection Method Based on Portable FTIR
QU Li-guo, LIU Jian-guo, XU Liang, XU Han-yang, JIN Ling, DENG Ya-song, SHEN Xian-chun, and SHU Sheng-quan
With the improvement of vehicle emission standards, The relevant VOC standards changed from total hydrocarbon detection to non-methane hydrocarbon (NMHC) detection. With the increase of oxygen-containing fuels, non-methane organic gas (NMOG) measurement was increased. The vehicle exhaust detection method based on porta
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1751 (2021)
A Neural Network Recognition Method for Garnets Subclass Based on Hyper Spectroscopy
LIU Ting-yue, DAI Jing-jing, and TIAN Shu-fang
Hyperspectral technology is a rapid, nondestructive and accurate means of mineral detection, which can clearly reflect mineral chemical composition change. Garnets have the characteristic of three diagnostic peaks in the thermal infrared wavebands, and the wavelength positions of the reflection peaks are closely relate
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1758 (2021)
Thermal-Infrared Spectroscopy of Garnet Minerals
DAI Jing-jing, ZHAO Long-xian, and WANG Hai-yu
Hyperspectral technology is a new non-damaging method for mineral detection and identification. In recent years, short-wave infrared (SWIR) technology with a wavelength of 1.1~2.5 μm had been successfully applied in alteration minerals and correlated ore deposits studies. However, SWIR technology was more suitable for
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1764 (2021)
Experimental Study on the Effect of Observation Angle on Thermal Infrared Spectral Unmixing of Rock
LI Tian-zi, LIU Shan-jun, SONG Liang, WANG Dong, HUANG Jian-wei, and YU Mo-li
Rock quantitative remote sensing has gradually become the main means of mineral resources exploration and geological environment monitoring, and spectral unmixing is an important method for rock quantitative remote sensing. However, in practical application, because the satellite’s observation of the earth is influence
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1769 (2021)
Inversion Method for Cellulose Content of Rice Stem in Northeast Cold Region Based on Near Infrared Spectroscopy
XU Bo, XU Tong-yu, YU Feng-hua, ZHANG Guo-sheng, FENG Shuai, GUO Zhong-hui, and ZHOU Chang-xian
In lodging resistance breeding of rice, the cellulose content of rice stem, as an important phenotypic data of crop traits, is constrained by human and time costs, which makes the size of the collecting population limited. The rapid and non-destructive detection of crop traits information can be achieved by using hyper
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1775 (2021)
Least Angle Regression Combined With Competitive Adaptive Re-Weighted Sampling for NIR Spectral Wavelength Selection
LU Hao-xiang, ZHANG Jing, LI Ling-qiao, LIU Zhen-bing, YANG Hui-hua, FENG Yan-chun, and YIN Li-hui
Near-infrared spectroscopy is widely used in drug detection, petrochemical industry, etc., because it has no damage to the samples, and the detection speed is fast, and the accuracy is high. In particular, it has more accurate detection performance with the in-depth application of machine learning and deep learning mod
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1782 (2021)
Iterative Interval Backward Selection Algorithm and Its Application in Calibration Transfer of Near Infrared Spectra
ZHENG Kai-yi, FENG Yu-hang, ZHANG Wen, HUANG Xiao-wei, LI Zhi-hua, ZHANG Di, SHI Ji-yong, and ZOU Xiao-bo
The near-infrared spectra (NIR) with advantages of fastness, non-destructiveness and easy operation have been widely used in food analysis. As an indirect analysis method, NIR should calibrate the model between spectra and concentrations for analysis. Thus, the maintenance of the model can ensure high accuracy. The cha
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1789 (2021)
A Mid-Infrared Wavelength Selection Method Based on the Impact Value of Variables and Population Analysis
ZHANG Feng, TANG Xiao-jun, TONG Ang-xin, WANG Bin, TANG Chun-rui, and WANG Jie
The Fourier transform infrared spectra absorption peaks of alkane gases are overlapping seriously in the mid-infrared region. A wavelength selection method based on the impact value of variables and population analysis (IVPA) is proposed to select the wavelength of five alkane gases infrared spectra composed with metha
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1795 (2021)
Non-Destructive Detection of Male and Female Information of Early Duck Embryos Based on Visible/Near Infrared Spectroscopy and Deep Learning
LI Qing-xu, WANG Qiao-hua, MA Mei-hu, XIAO Shi-jie, and SHI Hang
Gender identification of embryonated eggs in China has always been a key issue in poultry industry development. In poultry meat production, males tend to be bred, while the egg production industry tends to breed females. If the male and female eggs can be identified in the early hatching process, it will reduce the cos
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1800 (2021)
Fast Identification of Hazardous Liquids Based on Raman Spectroscopy
NAN Di-na, DONG Li-qiang, FU Wen-xiang, LIU Wei-wei, and KONG Jing-lin
Fast and accurate identification of unknown hazardous fluids are of pivotal interest in public security and safety. Raman spectroscopy is a fast and sensitive non-contacting measurement technology. Its virtues have it has become one of the important technologies in the public security field in recent years. In this stu
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1806 (2021)
Study on Erythrocyte Sublethal Damage Under Different Shear Stress Based on Raman Spectroscopy
WANG Jin-shuang, FU Ying-ying, FU Min-rui, GAO Bin, ZHENG Da-wei, and CHANG Yu
In this study, confocal Raman spectroscopy was used to study the Sublethal damage erythrocytes of artificial heart pump under different shear stress to verify the ability of Raman spectroscopy to evaluate the degree of erythrocyte Sublethal damage. It provides a new idea for the evaluation of blood injury. The standard
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1811 (2021)
Connection of Absorption and Raman Enhancement Characteristics of Different Types of Ag Nanoparticles
ZHANG Can, ZHANG Jie, DOU Xin-yi, and ZHU Yong
When we use nano-structured materials for surface-enhanced Raman scattering (SERS), we will first test the absorption spectrum because original researchers believe that the reason why nano-structured materials generate SERS is that the absorption of incident light by nano-structured materials causes the localized surfa
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1816 (2021)
The Forming Mechanism of Surface Morphology of Nanostructures and Its Effect on Graphene Raman Spectra
SUN Ning, CHEN Jun-fan, ZHANG Jie, and ZHU Yong
All the time, SERS based metal nanoparticles structure prepared by vacuum thermal evaporation and high-temperature annealing has been widely used in various detection fields due to its good sensitivity, stability and uniformity. Because of its excellent optical properties, chemical inertness and fluorescence quenching
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1821 (2021)
Investigation of a High-Pressure Pressed Powder Pellet Covered With Polyester Film Technique for the Determination of Chlorine in Soil and Sediment by X-Ray Fluorescence Spectroscopy
BO Wei, LI Xiao-li, DU Xue-miao, LIU Bin, ZHANG Qin, and BAI Jin-feng
Chlorine is an important analyte in geo-chemical exploration analysis. X-ray fluorescence spectrometry is a key technical method for the determination of halogen elements. Many studies have shown that chlorine’s measured value in the same pellet increases or decreases with the increase of repeated determination times w
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1828 (2021)
μ-XRF Analysis and Data Mining of Deep-Sea Co-Rich Ferromanganese Nodules in Western Pacific
REN Jiang-bo, WANG Fen-lian, HE Gao-wen, ZHANG Xin, DENG Xi-guang, and YU Hong-xia
Co-rich ferromanganese nodules in the Western Pacific Ocean are rich in Mn, Fe, Co, Ni, Cu and other metal elements, which are newly discovered seabed solid mineral resources in recent years. They are heterogeneous geochemical and mineralogical aggregates. Co-rich ferromanganese nodules with a particle size of 6 cm rec
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1834 (2021)
Study on Alumina/Cerium Oxide X-Ray Diffraction and Raman Spectroscopy
WANG Yi, LI Chang-rong, ZENG Ze-yun, XI Zuo-bing, and ZHUANG Chang-ling
The size of alumina inclusions in steel seriously affects its performance. Refinement or removal of these inclusions is highly valued. Because the size of inclusions in molten steel is relatively small and errors occur in the analysis process, the idea of amplifying the inclusion reaction was implemented to study the e
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1841 (2021)
Study on Measurement of Mercury Ion in Water by Thiamine-Fluorescence Excitation-Emission Matrix
JULDEZ Nurlan, SHEN Jian, LENG Xiao-ting, CHAI Yi-di, WANG Shi-feng, HU Yuan, CUI Hao-yue, and WU Jing
Mercury is a heavy metal element with significant accumulation effect and genotoxicity, which is extremely harmful to human health and the ecological environment. In China, the water environment is facing serious problems of mercury pollution. Developing rapid, efficient, and economical method for mercury ion detection
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1846 (2021)
Research on Estimation of Oil-Water Ratio of Light Oil Emulsion Based on Fluorescence Spectroscopy
YUAN Li, WANG Li-bin, and JIAO Hui-hui
During the weathering and migration of sea surface oil, different oil spill emulsions will be formed, which will cause great harm to the marine environment. Scientific quantification of oil spilt emulsions is helpful for oil spill emergency treatment and disaster damage assessment. Due to the lack of systematic experim
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1852 (2021)
Impacts Analysis of Typical Spectral Absorption Models on Geostationary Millimeter Wave Atmospheric Radiation Simulation
CHEN Hao, WANG Hao, HAN Wei, GU Song-yan, ZHANG Peng, and KANG Zhi-ming
To analyze atmospheric radiation characteristics of geostationary millimeter wave remote sensing, three different typical spectral absorption line database based line-by-line millimeter wave atmospheric absorption models, Millimeter-wave Propagation Model(MPM), ROSenkranz Model (ROS), High-resolution TRAN smission mole
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1858 (2021)
Photoluminescence and Radioluminescence of Tb3+ Ion-Doped Lithium Aluminosilicate Glasses
CHEN Yan-ping, LUO De-li, HUANG Bin, CHENG Hao, TANG Xian-chen, LI Qiang, LEI Hong-bo, and CHEN Dan-ping
The lithium aluminosilicate scintillation glasses doped with different concentrations of Tb3+ ions were prepared by the melt quenching method. Photoluminescence properties were characterized by UV excitation, emission and fluorescence lifetime, and radio luminescence properties were measured by X-ray and cathode-ray ex
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1863 (2021)
Optimization of IBBCEAS Spectral Retrieval Range Based on Machine Learning and Genetic Algorithm
LING Liu-yi, HUANG You-rui, WANG Chen-jun, HU Ren-zhi, LI Ang, and XIE Pin-hua
Incoherent broadband cavity-enhanced absorption spectroscopy (IBBCEAS) can highly sensitively detect trace gases by using an optical resonator to enhance the absorption path. At present, IBBCEAS mainly uses light-emitting diode (LED) as its incoherent light source. The fitting result of the measured gas concentration w
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1869 (2021)
Diagnosis of Atmospheric Pressure Helium Cryogenic Plasma Jet
SONG Peng, LI Zheng-kai, CHEN Lei, WANG Xiao-fang, LONG Wu-qiang, and ZENG Wen
In order to accelerate the process of helium plasma jet’s engineering, a stable helium plasma jet was produced in the atmosphere through a self-designed coaxial Dielectric Barrier Discharge structure with a discharge frequency of 10 kHz. By analyzing the voltage and current waveform under different working conditions,
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1874 (2021)
Spectral Feature Construction and Sensitivity Analysis of Water Quality Parameters Remote Sensing Inversion
WANG Xin-hui, GONG Cai-lan, HU Yong, LI Lan, and HE Zhi-jie
Water quality remote sensing monitoring is one of the important application directions of remote sensing. As an auxiliary mean of traditional water sampling and testing, remote sensing has the advantages of rapid, large-area and contactless. However, most remote sensing sensors commonly used in inland water monitoring
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1880 (2021)
Evaluation Method for Damage Degree of Light Sources Used to Lighting Colorful Cultural Relics Based on Spectrum Analysis
ZHAO Kai-qing, and DANG Rui
The spectral radiation in the light source is an essential cause of color damage, such as fading and discoloration of painted cultural relics. However, the spectral power distribution of different light sources is different, and the absorption and reflection characteristics of different materials to the radiation energ
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1886 (2021)
Retrieving Corn Canopy Leaf Area Index Based on Sentinel-2 Image and PROSAIL Model Parameter Calibration
SU Wei, WU Jia-yu, WANG Xin-sheng, XIE Zi-xuan, ZHANG Ying, TAO Wan-cheng, and JIN Tian
Leaf area index (LAI) is related to photosynthesis, transpiration and biomass accumulating processes of vegetation closely. It is one of the important parameters of corn growth monitoring, disaster stress monitoring and yield prediction, as well as an important parameter of the radiative transfer model and crop growth
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1891 (2021)
Application of Hyperspectral Imaging in the Diagnosis of Acanthopanax Senticosus Black Spot Disease
ZHAO Sen, FU Yun, CUI Jiang-nan, LU Ye, DU Xu-dong, and LI Yong-liang
Taking the leaves of Acanthopanax acanthopanax infected with black spot disease as an example, the study of plant disease detection by spectral technology provides a research basis for early screening and precise treatment of medicinal plant diseases. The experiment aimed to realize the supervised classification and id
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1898 (2021)
Hyperspectral Estimation Model of Soil Organic Matter Content Using Generative Adversarial Networks
HE Shao-fang, SHEN Lu-ming, and XIE Hong-xia
In the previous study of the estimation model of soil organic matter content, most models were based on the feature bands, linear and non-linear empirical models rarely explored the ability promotion using an extended modeling dataset. To further improve the performance of the estimation model, it proposed a dynamic es
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1905 (2021)
Study on Inversion Model of Chlorophyll Content in Soybean Leaf Based on Optimal Spectral Indices
LIU Shuang, YU Hai-ye, ZHANG Jun-he, ZHOU Hai-gen, KONG Li-juan, ZHANG Lei, DANG Jing-min, and SUI Yuan-yuan
The accurate acquisition and prediction of chlorophyll content can provide a theoretical basis for precise management of crop planting. Optimal spectral index was used to establish the soybean chlorophyll content inversion model in this paper. The hyperspectral and chlorophyll content data of soybean flower bud differe
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1912 (2021)
Gemmological and Spectroscopic Studies of the Jade Looked Like “Frozen Matrix” Chicken-Blood Stone
CHEN Qian, CHEN Tao, XU Xing, KANG Bin-yan, ZHENG Jin-yu, and LI Meng-yang
The object of this study is a kind of jade that is similar to “Frozen Matrix” Chicken-Blood Stone. There are orange-red minerals in its semitransparent “Matrix”. Using X-ray powder diffraction spectrometer (XRD), scanning electron microscopy (SEM), infrared spectrometer (IR), and laser Raman spectroscopy(LRM) to analyz
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1920 (2021)
Determination of Available Boron in Soil by ICP-OES With Boiling Water Extraction
ZHANG Peng-peng, HU Meng-ying, XU Jin-li, CHEN Wei-ming, GU Xue, ZHANG Ling-huo, BAI Jin-feng, and ZHANG Qin
The determination of available boron in soil is of great significance to evaluate the supply level of available boron in the soil. The content of available boron in the soil directly affects the growth process of plants, so how to extract and determine the content of available boron is very important. However, the trad
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1925 (2021)
SVD-ANFIS Model for Predicting the Content of Heavy Metal Lead in Corn Leaves Using Hyperspectral Data
HAN Qian-qian, YANG Ke-ming, LI Yan-ru, GAO Wei, and ZHANG Jian-hong
Heavy metals can enter the human body through the food chain after the crops had been polluted by them and can seriously harm the body health. Therefore, how to quickly and accurately monitor the content of heavy metals in crops has become important research in the fields of ecology and food security. The conventional
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1930 (2021)
Study on the Mineral Composition and Spectral Characteristics of “Bumblebee Stone”
LIU Jia-jun, LUO Jie, YUE Su-wei, and XU Ya-lan
Recently, a kind of jade with yellow and black stripes appeared in the Liwan jewelry market in Guangzhou. It is called “Bumblebee stone” because of its patterns. The stripe structure of “Bumblebee stone” is similar to that of Sardonyx, which is easy to be confused. In this paper, the “Bumblebee stone” was determined by
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1936 (2021)
Coal and Rock Identification Method Based on Hyper Spectral Feature Absorption Peak
WEI Ren, XU Liang-ji, MENG Xue-ying, WU Jian-fei, and ZHANG Kun
Coal is an important natural resource in our country and plays an important role in the development of industry and the national economy. In the process of underground mining, the traditional manual identification of coal-rock interface to cut coal and rock by the shearer is relatively inefficient, the recognition accu
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1942 (2021)
Study on the Production Technology of Baihuimian From Suyang Site
SUN Tian-qiang, WEI Guo-feng, CHENG Bao-zeng, and REN Guang
The Suyang site is located in Yiyang County, Luoyang City, Henan Province is one of the important sites in the prehistoric period in the Central Plains. The ground and walls of the unearthed houses are painted with “Baihuimian”(Lime layer). The raw materials and production methods are important for the study of prehist
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1949 (2021)
Rapid Classification and Identification of Plastic Using Laser-Induced Breakdown Spectroscopy With Principal Component Analysis and Support Vector Machine
LIU Jun-an, LI Jia-ming, ZHAO Nan, MA Qiong-xiong, GUO Liang, and ZHANG Qing-mao
A large number of discarded plastic products cause serious damage to the ecological environment. It is urgent to recycle plastic by classification. The traditional classification method can not meet the needs of industrial production due to its high cost, low efficiency and complex operation. Laser-induced breakdown sp
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1955 (2021)
Application Prospect of Laser Induced Breakdown Spectroscopy in Disease Diagnosis
ZHANG Kun, XU Zong-wei, CHEN Chuan-song, and FANG Feng-zhou
Trace elements are closely related to human health. For example, the homeostasis of metal elements may influence cells’ metabolic function, which may result in the production of certain diseases. Laser-induced breakdown spectroscopy (LIBS), a factor-free analysis technique that can be employed for molecularly complex b
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1961 (2021)
Dark-Field Confocal Brillouin Spectrum Detection System
NING Ying, WU Han-xu, XU Meng, QIU Li-rong, ZHAO Wei-qian, and NI He
Confocal Brillouin spectroscopy is widely used in physical chemistry, materials science, and mineralogy due to its advantages of non-invasive, label-free, high spatial resolution. Since the spontaneous Brillouin scattering intensity is weak, the signal spectrum easily overlaps with the elastic background or be oblitera
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1966 (2021)
Spectroscopic Characterizations of Metal-Complexes of 4-Hydroxybenzoic Acid With the Ni(Ⅱ), Mn(Ⅱ), and Cu(Ⅱ) Ions
Samar O. Aljazzar
One of the phenolic acids is 4-hydroxybenzoic acid (HBA) which takes the form of a white crystalline solid with a molecular formula of C7H6O3, a melting point of 214.5 ℃ and a molecular weight of 138.12 g·mol-1. It soluble in polar organic solvents like acetone and alcohols, and slightly soluble in chloroform and
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1971 (2021)
Spectroscopic Investigations for the Six New Synthesized Complexes of Fluoroquinolones and Quinolones Drugs With Nickel(Ⅱ) Metal Ion: Infrared and Electronic Spectroscopy
Samar O. Aljazzar
Quinolone has a broad spectrum of synthetic antibiotics with a strong therapeutic effect and quinolone is a term used for chemical treatments used to treat a powerful bacteria. Quinolones are divided into 4 generations according to the bacterial spectrum, the majority of quinolones used clinically belong to the sub flu
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1976 (2021)
Synthesis, Structural, Spectroscopic Characterization and Biological Properties of the Zn(Ⅱ), Cu(Ⅱ), Ni(Ⅱ), Co(Ⅱ), and Mn(Ⅱ) Complexes With the Widely Used Herbicide 2,4-Dichlorophenoxyacetic Acid
Lamia A. Albedair
2,4-Dichlorophenoxyacetic acid (2,4-D) is a board-leaf selective herbicide and globally used in agricultural activities. Complexation mode, spectroscopic investigations and biological properties of complexes formed between 2,4-D (C6H3Cl2OCH2·COOH; HL) with Zn(Ⅱ), Cu(Ⅱ), Ni(Ⅱ), Co(Ⅱ), and Mn(Ⅱ) metal ions were inve
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1982 (2021)
Synthesis and Structural Characterizations of Ternary Iron(Ⅱ) Mixed Ligand Complex: Low Cost Materialsas a Precursor for Preparation of Nanometric Fe2O3 Oxide
Khaled Althubeiti
The reaction of the ligands, ethylenediaminetetraacetic acid terasodium salt (Na4EDTA) and N—N heterocyclic diamines like2,2’-bipyridine (bipy) with iron(Ⅱ) sulfate with 1∶2∶2 stoichiometric ratios form the mononuclear ternary complex of formulae, [Fe2(EDTA)(bipy)2] at pH~7. The FTIR and Raman laser spectra of the iron
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1988 (2021)
[in Chinese]
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol. 41, Issue 6, 1 (2021)