Contents
2018
Volume: 38 Issue 3
55 Article(s)

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Calibration Method of Broadband Cavity Enhanced Absorption Spectroscopy for Measuring Atmospheric NO2
Liu-yi LING, Ying WEI, You-rui HUANG, Ren-zhi HU, and Pin-hua XIE
Accurate calibration of the spectrometer based on incoherent broadband cavity enhanced absorption spectroscopy (IBBCEAS) is very essential for quantitative measurements of trace gases in the atmosphere. An incoherent broadband cavity enhanced absorption spectrometer using a blue light emitting diode as light source is
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 670 (2018)
Theoretical and Experimental Study on Radiation Characteristics of Nanofluids
Zi-qiang HUANG, Jian-bo BAI, Xiao LU, Bing-yan CHEN, Peng LUO, Hua-feng LI, and Chao ZHANG
With the rapid development of modern society, energy shortage and environmental pollution are becoming increasingly serious. Nowadays, investigations on new energy and new energy technology are commonly listed as a primary energy strategy worldwide. As a clean energy, solar energy is enormous in amount and the utilizat
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 676 (2018)
Design and Research for a Kind of Optical Fiber Sensor Based on Extroradinary Optical Tramsimission Phenomenon
Ting-ting YUAN, Peng HUANG, Han-yang LI, Yan-ting SHANG, Xing-hua YANG, Yang ZHANG, Han-yang LI, and En-ming ZHAO
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 681 (2018)
Numerical Study on OH* Radicals in the Laminar Methane/Oxygen Co-Flowing Jet Diffusion Flame
Lei HE, Yan GONG, Qing-hua GUO, Chong-he HU, and Guang-suo YU
OH* is one of the major excited radicals in flame. The chemiluminescence information is generally applied in combustion diagnostics to indicate the flame structure, strain rate, equivalence ratio, heat release rate, etc. In this paper, the numerical study on OH* radicals was conducted in the laminar methane/oxygen co-f
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 685 (2018)
Analysis of UTA Spectra of Nd∶YAG Pulse Laser Produced Mo Plasmas
Tao WU, Jun HE, Shi-fang WANG, and Chao-hong TANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 692 (2018)
Study on TDLAS System with a Miniature Multi-Pass Cavity for CO2 Measurements
Meng LI, Jin-jia GUO, Wang-quan YE, Nan LI, Zhi-hao ZHANG, and Rong-er ZHENG
The measurement of CO2 at air-sea interface is significant to marine scientific research. There are many commercial instruments can be used for CO2 measurements in marine environment, among which the instruments based on tunable diode laser absorption spectroscopy (TDLAS) play an important role due to the advantages of
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 697 (2018)
Inversion Research on the Spectrum Emissivity Based on Slowing Varying Properties of Emissivity
Yi-fan YANG, Hong-xing CAI, Zhao-xuan WANG, Yan LI, and Shuang LI
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 702 (2018)
Effects of Different LED Light Qualities on the Growth of Trifoliate Orange Seedlings
Si-jing LI, Xiao-tong YI, You-fang LI, Jun-xiu WANG, Li-li LING, and Liang-zhi PENG
Chongqing, the only non-endemic area of Huanglong disease, has been established firstly virus-free three-stage breeding system for quality Citrus variety in China. However, that the annual sunshine hours in Chongqing are few and unevenly distributed during the year prolongs the growth period in Citrus seedlings compare
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 708 (2018)
Synthesis of 9,10-Diheterocyclicanthracenes and Performance Correlations in Triplet-Triplet Annihilation Upconversion
Jia CHEN, Chang-qing YE, Sai-jiang ZHU, Xiao-mei WANG, and Xu-tang TAO
Low-power photon upconversion (UC) can convert low-energy photons to high-energy photons based on triplet-triplet annihilation (TTA) mechanism, which invloves a bimolecular system containing a sensitizer and an emitter (acceptor) . Firstly, the sensitizer harvests the excitation energy toward its triplet excited state
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 715 (2018)
Spectral Investigation on the Direct-Current Uniform Discharge Ignited by a Dielectric Barrier Discharge at Atmospheric Pressure
Xue-chen LI, Kai-yue WU, Peng-ying JIA, Wen-ting BAO, and Cong DI
Atmosphere pressure uniform plasma has the broad application prospect in the industrial field. In order to get a atmosphere pressure uniform plasma in large scale, a large gap uniform discharge (up to 5 cm) was initiated between a needle anode and a plate cathode, which was ignited under a low sustaining voltage by a c
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 722 (2018)
Determination of Circulation Blood Volume by Modified Pulse Dye Densitometry
Guang-da LIU, Xiao-hu SHANG, Xing WEI, Yang LIU, Song-yang LIU, and Yu-tong ZHA
Circulating blood volume (CBV) is important for disease evaluation and operation monitoring of patients with cardiovascular and cerebrovascular diseases in clinical application as the main hemodynamic parameters. Indocyanine green (ICG) was used as a tracer in the pulse dye densitometry, and we detected CBV noninvasive
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 727 (2018)
The Distribution and Influencing Factors of Carbon Dioxide in the Surface Seawater of the South Yellow Sea during Spring
Fa-rong CHEN, Xiao-ling ZHENG, Li ZHENG, Jun-qing SUN, Jie SUN, Li-hui HAN, and Xiao-ru WANG
The partial pressure of carbon dioxide (pCO2) in the surface seawater of the South Yellow Sea(SYS) was investigated by means of cruising observation during the spring of 2007. The distribution characters and influencing factors of the pCO2 were studied by combining with the cogredient data of the seawater temperature,
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 732 (2018)
Research on the Chlorophyll Content (SPAD) Distribution Based on the Consumer-Grade Modified Near-Infrared Camera
Jian ZHANG, Jin MENG, Bi-quan ZHAO, Dong-yan ZHANG, and Jing XIE
Convenient and reliable crop nutrition diagnosis methods is basis of scientific crop fertilizer management and the core of the precision agriculture, and chlorophyll content is an important index of crop nitrogen nutrition content. In this research, the research object was rice leaf, and visible image and the center wa
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 737 (2018)
Possibilistic Fuzzy K-Harmonic Means Clustering of Fourier Transform Infrared Spectra of Tea
Bin WU, Da-zhi WANG, Xiao-hong WU, and Hong-wen JIA
Different variety of tea often has diversified organic chemical components, and their effects are not the same. Therefore, it is very necessary to develop a simple, efficient, high recognition rate method in classifying tea varieties. Mid-infrared spectroscopy is a rapid detection technology, and there is noise signal
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 745 (2018)
Feasibility of Rapid Evaluation of Urea-Formaldehyde Fertilizer by Infrared Spectroscopy
Xing-bin LIU, Yue WANG, Xiao-ri HAN, and Bin MA
At present, the rapid evaluation methods of urea formaldehyde fertilizer (UFF) efficiency are based on the activity coefficient method of urea formaldehyde (UF) water solubility, but the specific operating rules and technical indexes are different in different countries and regions because of activity coefficient metho
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 750 (2018)
Classification of Broad Bean Pest of Visible-Near Infrared Spectroscopy Based on Cloud Computing
Ji-an XIA, Yu-wang YANG, Hong-xin CAO, Chen HAN, Dao-kuo GE, and Wen-yu ZHANG
Based on the visible-near infrared reflectance spectra of broad bean leaves, by combining the derivative spectra, we analyzed the spectral characteristics of experiment samples with three levels of pests: healthy leaf, leaf with a small amount of pests and leaf with many pests, and selected the optimum waveband for pes
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 756 (2018)
In Situ FTIR Study of CO Adsorption on Pt-Sn/Al2O3 Reforming Catalyst
Hua-hua HAO, Hui YUAN, Guang-tong XU, Yan-juan XIANG, and Ai-zeng MA
Catalytic reforming, which produces raw material of aromatic hydrocarbon and high-octane clean-gasolineblending component, is a principal technology. According to the content of platinum and tin loading on industrial reforming catalyst, platinum loading was kept constant at 0.6 Wt% and the amount of tin was varied from
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 761 (2018)
A FeO/TFe Determination Method of BIF Based on the Visible and Near-Infrared Spectrum
Ya-chun MAO, Dong WANG, Yue WANG, and Shan-jun LIU
The FeO/TFe of iron ore is an important index to evaluate the industrial value of iron ore and classify the industrial type of ore. The conventional FeO/TFe measurements cost a lot of labor with low efficiency and long period, which are not benefit for the economical, reasonable and effective iron ore exploitation. Fir
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 765 (2018)
Study on the Characteristics and Mechanism of Visible and Near Infrared Reflectance Spectra of Soil Heavy Metals
Hang CHENG, Yuan WAN, Yi-yun CHEN, Qi-jin WAN, Tie-zhu SHI, Rui-li SHEN, Kai GUO, and Jia-meng HU
In this paper, the reflectance spectral features of chromium(CrCl3), copper chloride(CuCl2) and zinc chloride (ZnCl2) were measured by using visible and near-infrared reflectance spectroscopy (VNIRS). Thus, the spectra features integrating with the state of electrons arranged of heavy metal elements, and combined with
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 771 (2018)
A Comparative Study of Infrared Fingerprint on Extracts of Three Kinds of from Onchidium struma
Yan-mei SHI, Bing-ning GU, Li-xiang YAO, and He-ding SHEN
Aiming to establish a comprehensive and rapid method to discriminate Onchidium struma(O. struma) quality from different regions, this research has established it’s three extract fingerprints in absolute ethyl alcohol, chloroform and ethyl acetate adoptd the infrared spectrometry (IR), and the information of infrared sp
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 779 (2018)
Characterization of Mineral Matter in Coal Ashes with Infrared and Raman Spectroscopy
Yan-shan YIN, Jie YIN, Wei ZHANG, Hong TIAN, Zhang-mao HU, Lei-hua FENG, and Dong-lin CHEN
The analysis of mineral matter in coal ash is based on the analysis and characterization of mineral composition. Mineral matter in two high-silicon and high-aluminum coal ashes were well characterized and identified with Fourier Transform Infrared Spectroscopy (FTIR), Raman spectroscopy, and X-ray diffraction (XRD). Th
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 789 (2018)
Identification of Tetrastigma hemsleyanum from Different Places with FT-NIR Combined with Kernel Density Estimation Algorithm
Tian-yue LAI, Feng-huang CAI, Xin PENG, Qin-qin CHAI, Yu-rong LI, and Wu WANG
Tetrastigma hemsleyanum, a rare medicinal herbs in China, contains many kinds of curative effects. However, the content of active ingredients of T. hemsleyanum from different places is remarkablely different. So, it is necessary to discriminate this promising medicinal T. hemsleyanum from different places. In this work
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 794 (2018)
Study on Aqueous Extracts of Three Kinds of Radix Puerariae in Clinical by 2D-IR Correlation Spectroscopy
Bei-lei XU, Su-qin SUN, Gui-jun ZHANG, Wen-lan LI, Rui WANG, Yan ZHANG, Zhe-xiong JIN, and Lin SONG
Traditional Chinese medicine is a complicated chemical mixture system. It is helpful for quality control of traditional Chinese medicine to establish a fast and effective analysis method. There are three kinds of Radix Puerariae in clinical, which are Pueraria thomsonii Benth, Pueraria lobata (Willd. ) Ohwi and simmere
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 800 (2018)
Application of Near Infrared Hyperspectral Imaging for Detection of Azodicarbonamidein Flour
Xiao-bin WANG, Wen-qian HUANG, Qing-yan WANG, Jiang-bo LI, Chao-peng WANG, and Chun-jiang ZHAO
Near infrared hyperspectral imaging technology not only can acquire the image information of the sample, but also contain the spectra information about each pixel. Due to the abundant information that the method provides, it has been applied to detect food safety. This study adopted near infrared hyperspectral technolo
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 805 (2018)
A Kinetic Model of Hardness in Storage Periods of Fresh Jujubes at Room Temperature Using Two Dimensional Correlation Spectroscopy
Jiang-long LIU, Shu-juan ZHANG, Hai-xia SUN, Jian-xin XUE, and Xu-ting ZHAO
In order to realize the real-time monitoring of hardness and predict the storage life of fresh jujubes in storage periods at room temperature, a kinetic model of hardness according to near-infrared (NIR) spectroscopy was established. The influence of integrated thickness on storage life of jujubes was explored using tw
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 813 (2018)
The Improved Method of Trace Content for Raman Measurement Accuracy
Xiao-yu ZHAO, Zhe ZHAI, Feng TAN, Liang TONG, Fang-ming TIAN, and Chang LIU
To improve the measurement accuracy for the Raman spectrum of micro-substance is one of the difficulties in Raman analysis technique, which is prominent when measuring the micro-substance in organism under the background of high fluorescence. According to the burst and dispersed characteristics to Raman spectrum peak,
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 818 (2018)
Calibration Transfer of Surface-Enhanced Raman Spectroscopy Quantitative Prediction Model of Potassium Sorbate in Osmanthus Wine to Other Wine
Yu YANG, Yan-kun PENG, Yong-yu LI, Xiao-qian FANG, Chen ZHAI, Wen-xiu WANG, and Xiao-chun ZHENG
Based on a self-built Raman scanning system and the SERS substrate named SC silver sol which was prepared with sodium citrate reduction method, a quantitative prediction model of potassium sorbate in osmanthus wine was established. The 34 osmanthus wine samples were divided into calibration set and validation set, and
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 824 (2018)
Rapid Detection of Four Chemical Components Added Illegally in Slimming Health Food with TLC Situ Raman Spectroscopy
Xiang LI, Li-li TAN, Ji-cheng LIU, Li LI, and Shou-shi JIA
To establish a thin layer chromatography (TLC) combined with Raman spectroscopy method and detect four chemical components (theophylline, caffeine, nandrolone phenylpropionate, spironolactone) added illegally in the slimming health food. The doping ingredient and substrate were separated with TLC, viewed and located wi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 830 (2018)
Research on Ultraviolet Scattering Characteristics of Haze Particles
Tai-fei ZHAO, Yu-xin LENG, Si-ting ZHAO, and Peng SONG
Ultraviolet (UV) is scattered by atmospheric haze particles, the changes of scattering channel characteristics in atmosphere haze can reflect the physical properties of the particles. The scattering channel characteristics of UV in different haze particle form and concentrationwere analyzed based on wireless ultraviole
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 837 (2018)
Research on Denoising of UV-Vis Spectral Data for Water Quality Detection with Compressed Sensing Theory Based on Wavelet Transform
Ming-fu ZHAO, Ping TANG, Bin TANG, Peng HE, Yang-fei XU, Si-xing DENG, and Sheng-hui SHI
It is of great significance to improve the measurement stability and accuracy of water quality detection system with direct spectrum method. Direct spectroscopy on-line water quality detection systems typically use long-lived, preheated pulsed xenon lamps and industrial-grade spectral detection devices for complex insp
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 844 (2018)
Study on the Interaction of Aconitine and Armyworm DNA by UV Spectroscopy and ITC Method
Ye LIU, Wei-wei ZHAO, Zong-xiao LI, Hua-lei CHENG, and Huan HE
DNA is a vector for the genetic information of organisms. It is important to study the interaction between drugs and DNA and to explore its reaction mechanism, the design and synthesis of new drugs. The dissolution behavior of aconitine in water was studied for the first time by microcalorimetry. By using isothermal ti
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 851 (2018)
Detection Method Progress and Development Trend of Organic Pollutants in Soil Using Laser-Induced Fluorescence Spectroscopy
Xiang WANG, Nan-jing ZHAO, Zhi-min YU, De-shuo MENG, Xue XIAO, Zhao-lu ZUO, Ming-jun MA, Rui-fang YANG, and Jian-guo LIU
The organic pollution of soils, which is second to the pollution of air and water, has become a serious environmental problem all around the world, However, it has to face a range of challenges such as multi-pollutants, limited detection methods and widespread hazards . Laser induced fluorescence (LIF) spectroscopy tec
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 857 (2018)
Influence of Chlorophyll Fluorescence on the Retrieval Accuracy of Carbon Dioxide
Yun JIANG, Han-han YE, Xian-hua WANG, Feng-hua DUAN, and Hao WU
As a major error of CO2 retrieval, atmospheric scattering effect hampered the accuracy of CO2 retrieval. The stability of oxygen in the atmosphere is used in scattering correction for atmospheric CO2 inversion, such as the photon path length probability density function (PPDF) method. However, the presence of plant chl
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 864 (2018)
Reconstruction Simulation with Quantum Dots Spectral Imaging Technology
Ying-jun WANG, Jin-song ZHOU, Li-dong WEI, Gui-feng ZHANG, Dong-liang ZHU, San-wei GUO, Hong-wu TANG, and Dai-wen PANG
In order to meet the requirement of compact type and lightweight for spectral imaging system in airborne and satellite platform, and to overcome the limitations of optical splitting system in current spectral imaging technology such as complex structure and high cost, for the first time we present the design of spectra
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 869 (2018)
Method for Obtaining Truth Color Values Based on Relative Spectral Power Distribution of Light Source
Hong WANG, Jian-feng YANG, Bin XUE, Yan-song SONG, and Pei-yue XIE
Chang’E-3 panoramic camera is designed for color imaging, and a color calibration has to be performed before the launch of the detector. The first step when calibrating the camera is to obtain the ground truth color values of the samples. The color values measured by the traditional method have some significant deviati
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 877 (2018)
Distribution of Aloe-Emodin and Its Color and Spectral Properties under the Influence of ZnO NPs
Lan-lan ZHANG, Chang-shan XU, Ze-lin CHEN, Hai-ling SHAO, Hai-jiao ZHANG, and Jin QIAO
Zinc oxide nanoparticles (ZnO NPs) have unique physical and chemical properties and important application values in many fields, which has also been resulted the consequence that it was released into different environment, and increased the interaction with creatures, which is the most important aspect of the toxic eff
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 883 (2018)
Spectroscopy Method used in Temperature and Electron Density of Pantograph-Catenary Arc
Li-cheng XING, Xiao-dong ZHANG, Biao LIU, Xiao-yan CUI, and Jun-feng YANG
Train speed is limited by many factors, in which the off-line between catenary and pantograph has a great impact on power quality. Because of sliding contact mode, the pantograph and catenary are seriously worn. The arc generated by offline in pantograph and catenary is one of the main reasons of the abrasion on pantog
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 890 (2018)
Development of Lab-on-Chip Spectrophotometric Silicate Sensor in situ Analysis of Seawater
Xuan CAO, Shu-wei ZHANG, Dong-zhi CHU, Ning WU, Hai-kuan MA, and Ran MA
A new Microfluidic continuous flow analysis sensor is established for the determination of soluble silicate in seawater based on the reaction of silicate with ammonium molybdate to form a yellow silicomolybdate complex, and further reduction to silicomoIybdenum blue by ascorbic acid. Theanalyzing cycle of the sensor is
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 895 (2018)
Spectral Detection of Damaged Level of Larch Affected by Jas’s Larch Inchworm
Xiao-jun HUANG, Yao-wen XIE, and Yu-hai BAO
In recent years, the Mongolian Jas’s Larch Inchworm disaster have been increasing and gradually approaching the Daxinganling area, which will threaten the safety of the forest ecosystem in the north of China. It is necessary to replace the Mongolian traditional detection method with the modern remote sensing monitoring
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 905 (2018)
Inversion of Soil Organic Matter Content in Wetland Using Multispectral Data Based on Soil Spectral Reconstruction
Si-ming CHEN, Shuang-quan ZOU, Yan-ling MAO, Wen-xian LIANG, and Hui DING
Soil organic matter (SOM) is an important element of wetland ecosystem. Quick and wide monitor of SOM content with multispectral remote sensing technique has the vital significance to protect wetland ecosystem. More previous studies on the estimation of SOM content used hyperspectral analysis, while using multispectral
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 912 (2018)
Effects of Different Visible Spectra on the Quality of Mouse Oocytes and Early Embryos
Yi-ming WANG, Bing ZHANG, Ting WANG, Shu ZHANG, Ji YU, Chuang WU, and Ning TIAN
During the process of in-vitro extraction, oocytes or early embryos can’t avoid the visible light stimulation. However, the effects of light exposure on the development quality in vitro are still unclear. This work used three technologies of in-vitro culture, noninvasive imaging (full-field optical coherence system) an
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 918 (2018)
The Relationship of the Leaf Surface Wettability and Degree of Reflectance Polarization
Xiao-yu GAO, and Shan LU
Urban greening plants can improve the quality of atmospheric environment effectively due to their dust catching property, which mainly influenced by surface characteristics and wettability. We studied the relationship between leaf surface wettability and polarized reflection characteristics because they are both releva
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 923 (2018)
Comparative Study on Microstructure of Flocculant/Catkin with Natural Fiber
Hang CHEN, Chang-tong MEI, Wen LUO, Mo-su XU, Yi REN, and Wen-xuan YIN
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 929 (2018)
Experimental Study on Sensitivity of In-Vitro Caries Detection with Thermophotonic Lock-in Imaging (TPLI)
Bo-cheng XIAO, and Jun-yan LIU
According to the World Oral Health Report 2003, dental caries remains a major public health problem in most countries. Early detection is very important to the diagnosis and treatment of caries. The traditional dental caries detection methods, such as visual examination, probes, X-ray and other detection methods with l
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 933 (2018)
Retrieval of Soil Organic Carbon Based on Bi-Continuum Removal Combined with Orthogonal Partial Least Squares
Lin-xiao CONG, Min HUANG, Xiang-lei LIU, and Yun-song QI
Soil Organic Carbon (SOC) is important for soil fertility and can be quickly retrieved by Visible Near-Infrared (VNIR) Spectroscopy, which provides a basis for regional monitoring and quantitative remote sensing. For the traditional Continuum Removal (CR) method, only the upside absorption characteristics of the reflec
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 941 (2018)
Pressure Measurement of Each Gas in Alkali-Metal Vapor Cell with a Mixed Gas Based on Saturated Absorption Spectrum
Hao-tian CHI, Xu-lin WANG, and Wei QUAN
Alkali-metal vapor cell is one of the most important core component. As a sensitive device, it is often applied in the measuring device of the ultra-high sensitive inertial and magnetic field, which is based on the atomic spin exchange relaxation free regime. The content of the gas in the alkali-metal vapor cell will h
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 948 (2018)
Study on Phase Transition Process of NaCl-H2O and NaCl-KCl-H2O at Low Temperature with in Situ XRD
Hong-jun YANG, Xiao-li CHAI, Min WANG, and Bing LI
The diffraction patterns of two systems——NaCl-H2O and NaCl-KCl-H2O at low temperature were determined with in situ XRD. The details of systems’ phase transition were further obtained. The solids were analyzed according to the patterns. For NaCl-H2O system, the phase transitions were different because of their different
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 953 (2018)
Molecular Speciation of Phosphorus in an Organically Bound Phosphorus Fertilizer with High Phytoavailability Characterized by Multiple
Jin LIU, Jian-jun YANG, HU Yongfeng, Ju-mei LI, Xiu ZHANG, and Yi-bing MA
While the global phosphorus (P) resources is running low, the environmental issues due to over-application of P fertilizers become increasingly urgent. There is a more pressing need than ever before to develop new types of P fertilizers with high phytoavailability with agronomic, environmental and sustainability benefi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 958 (2018)
A Method to Fit Low-Quality Stellar Spectrum
Ming-lei WU, Jing-chang PAN, Zhen-ping YI, and Peng WEI
The stellar continuum is a sort of spectrum whose light intensity changes continuously and smoothly with wavelength (frequency) due to blackbody radiation. Each observed spectrum contains continuous spectra, spectral lines and noises. The classification of stellar is mainly based on the spectral lines of the spectrum,
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 963 (2018)
Multi-Spectral CT Sequence DCM Fusion Algorithm Based on Priori Components
Dan ZHAO, Ping CHEN, Yan HAN, and Yi-hong LI
Multi-spectral CT imaging is to characterize the different components in the CT images of different spectral ranges. For more convenient displaying all components physical information in an image, it is necessary to study the fusion method of multi-spectral CT sequence. But the commonly used fusion methods, such as wei
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 968 (2018)
A New Spectra Transfer Method for Multivariate Calibration Model of Molecular Spectroscopy Analysis
Yu-ting CAO, Hong-fu YUAN, and Zhong ZHAO
Whether it is for near-infrared (NIR) spectra or mid-infrared (MIR) spectra, the issue of multivariate calibration model transfer between spectrometers has not been satisfactorily solved yet. To realize the sharing of model or spectra between the spectrometers, an improvedpiecewise direct standardization (PDS) method,
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 973 (2018)
Mapping Analysis of Heavy Metal Elements in Polluted Soils Using Laser-Induced Breakdown Spectroscopy
Yan-hong GU, Nan-jing ZHAO, Ming-jun MA, De-shuo MENG, Yao JIA, Li FANG, Jian-guo LIU, and Wen-qing LIU
Laser-induced breakdown spectroscopy (LIBS) has become a powerful technology for quantitative analysis of the toxic heavy metals in soils due to its excellent attributes of rapid analysis speed, simultaneous multi-element assay, and low-cost detection with slight sample preparation. In this work, LIBS was applied to an
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 982 (2018)
The Interaction between Rolitetracycline and Human Serum Albumin Using Multi-Spectral Methods and Molecular Modeling
Qing FANG, Cheng-yu DONG, Yu WANG, and Ying LIU
The interaction between rolitetracycline (RTC) and human serum albumin (HSA) has been investigated by using multi-spectral methods and molecular modeling under physiological conditions. Fluorescence spectra results revealed the presence of static quenching mechanism in the binding of RTC to HSA. The binding constants w
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 1900
  • Vol.38 Issue, 3 990 (2018)