Contents
2019
Volume: 39 Issue 3
56 Article(s)

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Studies and Applications of Organic Nonlinear Material DAST
Yu GU, Xiang-dong XU, Yu-xiang LIAN, Xin-rong LI, Kai FAN, Xiao-meng CHENG, Fu WANG, Ze-lin DAI, and Jimmy XU
With the rapid development of optical communication and optical information processing technology, nonlinear optical materials have attracted considerable attention in both industry and academia. Compared with inorganic non-linear optical materials, organic nonlinear optical materials exhibit the advantages of short re
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 665 (2019)
A Novel Analytical Method of Time-Dependent Absorption Spectroscopy
Hai-bo ZHOU, Jie SHAO, Hui-guo QIAN, Chao-fu YING, and Yi-biao ZHANG
Time-dependent absorption spectroscopy, such as cavity ring-down spectroscopy (CRDS) and cavity attenuated phase-shift spectroscopy (CAPS), is a new type of absorption spectroscopy technology developed in recent thirty years. It has the advantage of high detection sensitivity, fast response, and not being affected by t
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 673 (2019)
Radiation Thermometry Algorithms with Emissivity Constraint
Cheng-yun XIN, Xue-ping DU, Fei-qiang GUO, and Shuang-lin SHEN
Radiation thermometry techniques have been developed from monochrome thermometry for single-point temperature measurement to multi-spectral thermometry for 2D or 3D temperature field measurement in the past few years with the development of radiation measurement sensors, but it is difficult to overcome the temperature
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 679 (2019)
The Optical Stability of SiNWs:Tb3+ and the Effects of Si Nanowires on Its Luminescent Properties
Rui-chen YANG, Xiao-pei GENG, Zhi-dong FAN, Xu LI, Lei MA, Yong-hui GAO, Ying FU, and Xin-xin WANG
Fluorescent nanomaterials not only have the advantages of nanomaterials, but also have excellent optical properties. They are widely used in fluorescent labels, ion recognition, fluorescence immunoassays, optical imaging and medical diagnostics. Therefore, researches on the preparation, structure analysis and fluoresce
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 682 (2019)
A Study of Terahertz Spectra of Monosaccharides and Disaccharides with Structural Similarities
Tao CHEN, Zhi-hua CAI, Fang-rong HU, Xian-hua YIN, and Chuan-pei XU
Experimental and theoretical investigations of the terahertz (THz) absorption spectra of two typical monosaccharides and disaccharides (D-glucose and lactose monohydrate), which have similar structures, were carried out by using terahertz time-domain spectroscopy (THz-TDS) and density functional theory (DFT). Firstly,
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 686 (2019)
Simultaneous Retrieval of Atmospheric Profiles, Surface Temperature and Surface Emissivity in Different Types of Earth Surface Using
Qiang ZHAO, Shu-mei DENG, Chang-yu LIU, Ying SHU, Wei-hua LI, and Wan-qing YANG
Atmospheric temperature, water vapor, surface skin temperature and surface emissivity are the intrinsic information of the atmosphere and surface of earth. Retrieval of atmospheric temperature profile and water vapour profile is important for accurate weather forecasting and climate change research by using satellite i
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 693 (2019)
Research on Detection of Ship Target at Sea Based on Multi-Spectral Infrared Images
Rong-chao QIU, Shu-li LOU, Ting-jun LI, and Jian GONG
When facing complex sea-sky background, island-shore background, bad weather, bright waves or decoys interference and other complex conditions, the detection rate, false alarm rate, detection distance or other performance indicators of the existing ship target detection system based on a single wide-wave infrared image
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 698 (2019)
Identification of Wood Species Based on Near Infrared Spectroscopy and Pattern Recognition Method
Yong HAO, Qing-yuan SHANG, Min RAO, and Yuan HU
Identification of wood species is an important part of wood processing and commerce. The traditional methods of wood species identification mainly include microscopic detection and wood texture recognition which are complex, time-consuming and costly. They cannot meet the current needs. Near infrared spectroscopy (NIRS
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 705 (2019)
Study on the Relationship between the Infrared Spectra Similarity of Inks and the Accuracy of Computer Color Matching
Xing WAN, and Xin-guang L
To acquire the high-accuracy of samples from the computer color matching, a novel color matching method was proposed in this paper which combines chemical component analysis with computer color matching. The kernel of this method is to select the inks that are most similar to the printing inks of target colors, thus th
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 711 (2019)
Study on Feature Selection of Near Infrared Spectra Based on Feature Hierarchical Combining Improved Particle Swarm Optimization
Bao-ding XU, Yu-hua QIN, Ning YANG, Rui GAO, and Cheng-cheng YUAN
In the quantitative modeling of near-infrared spectroscopy data, the high redundancy and high noise of the data severely affect the robustness and accuracy of the modeling. Therefore, this paper presents a feature-based spectroscopy combined with improved Particle Swarm Optimization (PSO) Method of choosing. First, we
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 717 (2019)
A Method for Identifying Wood Grades of Chinese Zither Panel Based on Near Infrared Spectroscopy
Ying-lai HUANG, Shi-yu MENG, Peng ZHAO, and Meng-qiao YUE
At present,the wood grades of the national musical instrument Chinese zither panel mainly rely on the personal experience of the musical instrument technician.This method relies on experienced technicians and is susceptible to subjective judgment. In view of this situation, we use the Paulownia wood used to make the Ch
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 723 (2019)
Diagnosis and Monitoring of Sclerotinia Stem Rot of Oilseed Rape Using Thermal Infrared Imaging
Xin-xin CHEN, Zi-yi LIU, Mei-qiao L, Chu ZHANG, Jie-ni YAO, and Yong HE
The early identification of sclerotinia sclerotiorum rot of oilseed rape was observed from the canopy and leaf scale by using the thermal infrared imager based on the UAV simulation platform. The thermal infrared image data were obtained from the canopy scale, and the temperature values of the canopy scale were extract
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 730 (2019)
The NIR Detection Research of Soluble Solid Content in Watermelon Based on SPXY Algorithm
Shi-fang WANG, Ping HAN, Guang-lu CUI, Dong WANG, Shan-shan LIU, and Yue ZHAO
Soluble solid content (SSC), including sugar, acid, fibrin and mineral components, is a comprehensive index for evaluating the fruit maturity and quality, which can affect the taste, flavor and shelf life. Non-destructive and rapid detection of SSC in watermelon is very important for determining the maturity and monito
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 738 (2019)
Optimization of Characteristic Wavelength Variables of Near Infrared Spectroscopy for Detecting Contents of Cellulose and Hemicellulose in Corn Stover
Jin-ming LIU, Xiao-dong CHU, Zhi WANG, Yong-hua XU, Wen-zhe LI, and Yong SUN
Pretreatment is an effective way to improve the utilization efficiency of the corn stover biotransformation. The conversion rate is directly related to contents of the cellulose and hemicellulose in corn stover during the bio-refinery conversion to biofuels. To achieve an effective control for the corn stover bio-refin
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 743 (2019)
Nondestructive Determination of Natural Aging Stage of Wheat Seeds Using Near Infrared Spectroscopy
Jing-zhu WU, Hui LI, He-dong ZHANG, Wen-hua MAO, Cui-ling LIU, and Xiao-rong SUN
To study the variation trend of major chemical composition of wheat seeds during short-time natural aging, the nondestructive technology based on near infrared spectroscopy (NIR) and support vector machines (SVM) is applied to evaluate the natural aging stage at the same time. There are 45 wheat samples collected in th
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 751 (2019)
Visible-Near Infrared Spectroscopy Based Chronological Classification and Identification of Ancient Ceramic
Xiao-ping WU, Ye-peng GUAN, Wei-dong LI, and Hong-jie LUO
Visible-near infrared spectroscopy based chronology classification of ancient ceramic method has been proposed to make the identification more objective and accurate. Yaozhou kiln exists in many dynasties and it has great similarity between different dynasties. Therefore, age identification of Yaozhou kiln faces great
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 756 (2019)
Quantitative Analysis of Refined Pitches by Curve-Fitting of Fourier Transform Infrared Spectroscopy Spectrum
Ya-ming ZHU, Li-juan GAO, Xue-fei ZHAO, and Jun L
High temperature coal tar pitch is a kind of high quality raw material to produce carbon materials. However, coal tar pitches without refining treatment was not suitable to produce such high quality carbon materials. Actually, refining treatment is an important way to adjust the molecular weight distribution, aromatic
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 765 (2019)
Infrared Spectra of Grayish Green Nephrite and Gray Nephrite: Characteristics and Significance
Jian-hong REN, Guang-hai SHI, Jin-hong ZHANG, Ye YUAN, Kong GAO, Mei-li WANG, Xin-ling LI, and Chu LONG
Grayish green nephrite is named for a kind of nephrite belonging to green nephrite type, but with appearance similar to gray nephrite. Although their appearance is similar, the price of grayish green nephrite is much higher than that of gray nephrite. Thus a phenomenon appears that some dealers tell their consumers gre
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 772 (2019)
Study on practical Raman Lidar Seawater Temperature Remote Sensing System
Xiu-yun REN, Ling WANG, Zhao-shuo TIAN, Yan-chao ZHANG, and Shi-you FU
At present, underwater temperature measurement of seawater is a hot research topic, because knowledge about seawater temperature is of great importance in many fields. The laser Raman spectroscopy is a feasible method for measuring the vertical profiling of seawater temperature in large water areas. However, the real-t
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 778 (2019)
A Highly Sensitive Label-Free Quantitative Detection Method for Tumor Marker Based on Au NRs/PMMA Substrate
Li-ying TONG, Hao FU, Le PENG, Qing-ning LI, Qing-hua SHI, and Jun ZHOU
Preparation of high-quality noble nanostructure substrate is vital for the application of surface-enhanced Raman scattering (SERS) technology in ultrasensitive bioassay. In our work, based on the improved Langmuir-Blodgett method, the gold nanorods were extracted from colloid to the interface between the colloid and to
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 784 (2019)
High-Pressure Raman Spectroscopy Study of L-Serine
Chao DAI, Zhuo JIANG, Chao FU, Jia ZHANG, and Qin-fa ZHANG
Pressure can lead to protein fold and denaturation. As for the element of protein, the study of amino acid under high pressure has attracted attention of scholars in recent years. The properties of some amino acids among 20 common amino acids have been studied by using high-pressure Raman spectroscopy techniquewith the
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 791 (2019)
Microscopic Raman Spectroscopy Analysis for Human Blood in Capillary
Ming ZHANG, Wen PENG, Zhen-quan LAI, Hong-peng WANG, Ru-jun YUAN, Qiang HE, and Xiong WAN
The blood contains a variety of biological information such as hormones, enzymes, antibodies and so on. The detection and identification of numerous biological information in the blood can be used to determine and trace the origin of the blood species. Therefore, the development of blood analysis is of great significan
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 797 (2019)
2D Fluorescence Spectra Measurement of 6 Kinds of Bioagents Simulants by Short-Range Lidar
Hui YANG, Xiu-bing MA, Yan-fei SUN, Tie-dong WANG, Feng QING, and Xue-song ZHAO
Four kinds of bioagents simulants, Pantoea agglomerans (Pan), Staphylococcus aureus subsp. Aureus (Sta), Bacillus globigii (BG) and Escherichia coli (EH) were cultured and the strains growth curves were obtained, and the generation time were 0.99, 0.835, 1.07 and 1.909 h respectively. Two wavelengths at 266 and 355 nm
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 802 (2019)
A Fast Raman Spectroscopy Classification Method for Fuels Combining the Fluorescence Background Correction Based on GCB Preprocess and
Xing-chen YU, Liang GUAN, Zi-cun LI, Ying-zhong GONG, Jun MA, and Xian XU
In this article, a Raman spectroscopy classification method combining the fluorescence background rejection based on graphitized carbon black (GCB) preprocessing and modified hierarchical clustering analysis (HCA) has been put forward, by which 39 fuel samples have been classified correctly and automatically into six t
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 807 (2019)
Detection of Chemical Oxygen Demand (COD) of Water Quality Based on Fluorescence Multi-Spectral Fusion
Kun-peng ZHOU, Xu-fang BAI, and Wei-hong BI
To conduct green, rapid and accurate detection of organic pollutants in water, the current paper proposes a detection method of Chemical Oxygen Demand (COD) based on fluorescence multi-spectral fusion. The experimental samples consist of 53 actual water samples including inshore seawater and surface water. The physicoc
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 813 (2019)
Detection of PAHs in Soil Based on Two-Dimensional Correlation Fluorescence Spectroscopy
Ren-jie YANG, Bin WANG, Gui-mei DONG, Yan-rong YANG, Nan WU, Guo-hong SUN, Wei-yu ZHANG, and Hai-xue LIU
The traditional fluorescence spectroscopy has been used for the detection of polycyclic aromatic hydrocarbons (PAHs) in soil. However, due to the complexity of soil system and the diversification and trace of PAHs pollutants, the traditional fluorescence spectroscopy cannot effectively extract the characteristic inform
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 818 (2019)
Optical Rotation of Noncollinear AOTF Temperature Drift and Wavelength Correction Strategy
Yao-li WANG, Rui ZHANG, Yuan-yuan CHEN, and Lin-xian LIU
Existing AOTF tuning relationship mostly ignores the optical rotation effect, but it will effect the accurate design of acousto-optic tunable filter, and will further influence its filtering performance, so the relationship between the specific rotation rate and diffraction wave length was deduced, then the AOTF tuning
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 823 (2019)
Study on Spectral Characteristics of a Novel Formaldehyde Probe Based on Fluoral-P Derivatives
Si-min CAO, Yang-yi LIU, Zhong-neng ZHOU, Jin-quan CHEN, and Jian-hua XU
Formaldehyde (HCHO) is one of the main pollutants of indoor air. Exposure to excessive formaldehyde for a long time will cause serious damage to human eyes, skin and respiratory organs, and even lead to loss of the function of nervous system[1], as well as ear, nose and laryngeal cancer[2]. Therefore, a rapid, efficien
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 828 (2019)
Study on the Vibration Spectra of Turquoise Imitation and Natural Turquoise from Zhushan County, Hubei Province
Xuan ZENG, Zhi-jun YANG, Xiao-xiao LI, Xue-ying LEI, Shan-shan HUANG, and Yao-ming CHEN
China is rich in turquoise mineral resources, and is one of the major producing countries in the world. As a kind of famous jade, turquoise is deeply loved by people with its unique colour of green and structure, which also leads to a large number of optimally treated products and imitations in the market. Compared to
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 834 (2019)
Research on High Sensitive Detection of CO2 Gas Based on Power-Boosted QEPAS Technology
Hong-peng WU, Sai-nan PENG, Jin-biao ZHAO, Lei DONG, and Suo-tang JIA
Carbon dioxide, the major constituent of the atmosphere and burnt gas, has great significance in high sensitive detection in physics and chemistry as well as in the life sciences applications. The existing CO2 detection methods have some defects, which makes the detection difficult to meet the need of the national defe
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 840 (2019)
Spectroscopic Characteristics of HA Structure in Black Soil with Organic and Inorganic Fertilizer
Jiu-ming ZHANG, Bao-ku ZHOU, Dan WEI, Feng-qin CHI, Xiao-yu HAO, Liang JIN, and En-jun KUANG
Soil organic matter is an important part of soil , and plays an important role in soil fertility, environmental protection and sustainable development of agriculture .As the main body of soil organic matter, humus has an effect on a series of properties and forms of soil. Its quantity, composition and properties can re
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 845 (2019)
Studies on the Interaction between Leucomalachite Green with Bovine Serum Albumin by MCR-ALS and Molecular Docking
Qiu-lan ZHANG, Li-xin XIE, Lin-hui YANG, Xun TUO, and Yong-nian NI
Leucomalachite Green (LMG) is a major metabolite of malachite green (MG). It has a long residence period in edible fish tissues. At present, the use of MG has been banned in some countries for its increased risk of carcinogenesis, mutagenesis and other adverse effects to human health. However, MG is still widely used i
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 851 (2019)
Pantana Phyllostachysae Chao Damage Detection Based on Physical and Chemical Parameters of Moso Bamboo Leaves
Xu-ying HUANG, Zhang-hua XU, Lu LIN, Wen-chun SHI, Kun-yong YU, Jian LIU, Chong-cheng CHEN, and Hua-kang ZHOU
Pest detection algorithm research is an important guarantee to precisely and rapidly monitor the forest pest and forest protection and quarantine. Based on the external morphology of the host and its internal physiological phenomena, taking the leaf loss (LL), relative chlorophyll content (RCC), relative water content
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 857 (2019)
Spectral Characteristics and Evaluation Model of Pinus Massoniana Suffering from Bursaphelenchus Xylophilus Disease
Su-lan ZHANG, Ju QIN, Xiao-dong TANG, Yu-jie WANG, Jin-long HUANG, Qing-liang SONG, and Jia-yuan MIN
Bursaphelenches xylophilus disease, also known as pine wilt disease, is a fatal one caused by the parasitism of pine wilt nematode in pine trees. It’s difficult to prevent and control the disease because of rapid infection and spread. The recognition and estimation of the disease play a significant role in the protecti
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 865 (2019)
Reflectance Analysis of Turbinaria peltata and Platygyra daeda in Luhuitou Sanya Bay
Yong-qiang CHEN, Biao CHEN, Xin-ming LEI, Qiang XIE, and Hui HUANG
In order to further understand the spectral characteristics of different shapes and different colors of scleractinian coral, reflectance spectra of two common scleractinian coral species (brown schistose Turbinaria peltata and blue gray massive Platygyra daeda) were measured using a fiber spectrometer in the sea area o
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 873 (2019)
Low-Light-Level Readout Based on Quantum Dots-in-Well Photodetector at Room Temperature
Feng MAO, and Ming-jia WANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 877 (2019)
Horizon Classification in Soil Profile Using Imaging Spectroscopy
Guang-hui ZHENG, Cai-xia JIAO, Chen-xi SHANGGUAN, Wen-qian WU, Yi LIU, and Chang-qiao HONG
The soil profile is one of the core topics in pedogenesis research, but traditional pedological observations of soil profiles rely on the use of visible light and a toolbox that has not changed in the past decades. The imaging spectroscopy can provide high-resolution spatial and spectral soil profile information, which
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 882 (2019)
Retrieval of Soil Organic Carbon in Cinnamon Mining Belt Subsidence Area Based on OLI and 6SV
Xin ZHAO, Zhan-jun XU, Jian-ping YIN, Ru-tian BI, Jun-fang FENG, and Pei LIU
Remote sensing retrieval has been widely used for dynamic monitoring of the physical and chemical properties of regional soil, but there are few studies on the areas with low organic carbon content and uneven underlying surface which have unremarkable soil spectral characteristics. The cinnamon soil belt in Loess Plate
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 886 (2019)
Study of the Establishment of Herb Water Content Detection Model Based on Hyperspectral Technology
Yang ZHAO, Chen CHENG, Lu-lu YANG, and Xin-xiao YU
The detection of plant water deficit based on hyperspectral technology is the current research hotspot. Fescue is one of the major herbaceous plants which have the maximum usage in northern China, and its growth has a large demand for water, and it will have a series of changes in physical characteristics (color, textu
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 894 (2019)
A Study of the Distribution of β-Carotene in Different Parts of Radishes by Carbon-Carbon Double Bond
Shuo LI, Mu-cui NI, Xin GUO, Hai-ying LI, Jun-gang MAO, Jin-bao ZHANG, Yu LI, Zhi-jun WANG, Cheng-lin SUN, Zuo-wei LI, Zheng-qiang LI, and Yue HE
The β-carotene, with carbon-carbon single and double bonds (C—C, CC), is a typical linear polyenes, which widely exists in plants and has important biological function and plays an important role in investigating the π-electron conjugated properties. According to the Andreas’s study, when the exciting wavelength falls
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 899 (2019)
Study on Multiple Varieties of Maize Haploid Qualitative Identification Based on Deep Belief Network
Yun-hua YU, Hao-guang LI, Xue-feng SHEN, and Yan PANG
Haploid breeding technology is a new method for maize breeding, which can effectively shorten the cycle of homozygous lines and improve the breeding efficiency. The technology needs to select enough haploid grains first, and the haploid grains only account for 0.05%~0.1% of the mixed grains without artificial intervent
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 905 (2019)
Visualization of Water Content Distribution in Potato Leaves Based on Hyperspectral Image
Hong SUN, Ning LIU, Li WU, Tao ZHENG, Min-zan LI, and Jing-zhu WU
In order to quickly detect the water content of potato leaves and explore the change of leaf water content under drought stress, the hyperspectral imaging technology was utilized to detect and visualize the moisture content of potato leaves in this paper. 71 leaves were collected and the water gradient of the leaves wa
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 910 (2019)
Research on Garbage Classification and Recognition Based on Hyperspectral Imaging Technology
Dong-e ZHAO, Rui WU, Bao-guo ZHAO, and Yuan-yuan CHEN
Hyperspectral imaging technology is profoundly applied into the fields of agriculture, medicine and remote sensing due to its high spectral resolution, merged image-spectrum, and fast non-destructive testing. While the method used now has the defects of long-term testing period, poor efficiency and sorting asynchrony.
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 917 (2019)
Experimental Study on Detection of Chlorpyrifos Concentration in Water by Hyperspectral Technique Based on Characteristic Band
Rui-jun MA, Ya-li ZHANG, Yu CHEN, Ya-li ZHANG, Zhi QIU, and Jin-qing XIAO
In order to investigate the feasibility of reflectance spectroscopy for the detection of chlorpyrifos pesticides in water, indoor and outdoor spectral data of chlorpyrifos samples in two different concentrations were obtained using a hyperspectral acquisition system composed of ASD’s FieldSpecPro Spectrometer. The part
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 923 (2019)
A Study on Adsorption of Cd on Activated Carbon Fiber by Using ICP-OES
Chenling Zhang, Mei Han, Na Jia, Bingbing Liu, Jia Liu, Zhenxing Wang, and Lingxia Liu
Heavy metal contamination has become one of the most serious environmental problems. Among these elements, cadmium (Cd) is regarded as one of the major priority pollutants in drinking water due to its high biotoxicity, non-biodegradability and persistence in the whole environment. It has hazardous effects on ecological
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 931 (2019)
Study on Physical Excitation Mechanism of Steel Slag Tailings by XRD and SEM
Hao ZHANG, Xiu-yu LIU, and Ying LIU
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 by direct stacking and landfill in gener
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 937 (2019)
Research on the Absorption Feature Analysis of Jingdezhen Blue and White Porcelain
Heng-qian ZHAO, Jia-cheng QIANG, Hong-rui ZHAO, and Xue-sheng ZHAO
Jingdezhen blue and white porcelain is one of the most representative ceramic types in China, which is famous for its high academic and economic values. However, it is hard to discriminate blue and white porcelains of different time periods from their appearance, and how to solve this problem quickly and accurately is
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 942 (2019)
Stellar Spectra Classification by Support Vector Machine with Unlabeled Data
Zhong-bao LIU, Yu-fei LEI, Wen-ai SONG, Jing ZHANG, Jie WANG, and Liang-ping TU
Stellar spectra classification is one of hot spots in astronomical techniques and methods. With continuous operation and improvement of observation apparatus, hundreds and thousands of spectra were obtained by researchers, which presented challenges to process them manually. In view of this, data mining algorithms have
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 948 (2019)
Novel Solar Extreme Ultraviolet Spectral Imager with High Spectral Resolution Line Information
Ji-long PENG, Tao-jun FENG, Xiang-yu NIE, Dong-bo TIAN, Zhong YI, Shan-shan WANG, Qian YU, Kai ZHANG, and Zi-liang MA
Extreme Ultraviolet (EUV) spectroscopic observation is one of the most important approaches in diagnosing the basic physical phenomena in the solar atmosphere. However, the designs of many instruments used for visible wavelengths cannot be applied for EUV because of its much shorter wavelength. Conventional solar EUV i
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 953 (2019)
Mid-Infrared Trace Ethane Sensor Design and Stability Analysis
Chun-guang LI, Lei DONG, Chuan-tao ZHENG, Yi-ding WANG, and Jun LIN
According to the fundamental absorption properties of ethane (C2H6) near 3.3 μm, a mid-infrared C2H6 sensor based on a wavelength modulation spectroscopy (WMS) technique was developed using a room temperature, continuous-wave (CW) interband cascade laser (ICL) emitting at 3.34 μm and a dense multi-pass gas cell (600 mL
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 959 (2019)
Model Transfer Between Different Fourier Instruments and the Analysis of Error
Yu-heng WANG, Wen-yan HU, Peng-fei SONG, Ru-xin SHU, Kai YANG, Luo-ping WANG, Long-lian ZHAO, and Jun-hui LI
Model transfer is a key common technical problem in the near infrared spectral analysis technology. By seeking feasible mathematical methods between the two instruments that have the same working principle, we can make the model which was set up on one instrument be applied to another one. In this paper, with 150 flue-
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 964 (2019)
Identification of Powdery Mildew and Stripe Rust in Wheat Using Hyperspectral Imaging
Zhi-feng YAO, Yu LEI, and Dong-jian HE
Powdery mildew and stripe rust are two of the most prevalent and destructive wheat diseases causing severe decreases in wheat yield in China. It is necessary to quantitatively identify different diseases for spraying specific fungicides. In this study, a line-scanning hyperspectral imaging system (ImSpector V10E) was u
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 969 (2019)
Image Based Smoke Detection Using Source Separation
Bchir Ouiem, Ben Ismail Mohamed Maher, and Asiri Norah
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 982 (2019)
Level and Risk Assessment of Arsenic in Muti-Media near Mining Area in Yunnan by Using Inductively Coupled Plasma Mass Spectrometry
Piao-piao LIANG, Yi-run WANG, Ru-ming WANG, Li-yun FAN, Tian-tian CHEN, Ya-hong BAI, Qian-ru YU, Shan-shan ZHOU, and Ying LIU
Arsenic (As) pollution not only affects soil fertility and crops growth, but also exposes to humans through air, soil, water and food, posing a major threat to human health. Mineral exploitation is one of the most important sources of As environmental problems. In this study, the nine villages (S1—S9) in the vicinity o
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 990 (2019)
[in Chinese]
[in Chinese]
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.39 Issue, 3 1 (2019)