Contents
2010
Volume: 30 Issue 2
64 Article(s)

Export citation format
Excitation Transfer between High-Lying States in K2 in Collisions with Ground State K and H2 Molecules
Xiao-yan SHEN, Jing LIU, Kang DAI, and Yi-fan SHEN
Pure potassium vapor or K-H2 mixture was irradiated in a glass fluorescence cell with pulses of 710 nm radiation from an OPO laser, populating K2(1Λg) state by two-photon absorption. Cross sections for 1Λg-3Λg transfer in K2 were determined using methods of molecular fluorescence. During the experiments with pure K vap
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 289 (2010)
Study of Emission Spectroscopy of OH Radicals in Pulsed Corona Discharge
Bo WEI, Zhong-yang LUO, Fei XU, Lei ZHAO, Xiang GAO, and Ke-fa CEN
In the present paper, OH radicals generated by pulsed corona discharge in humidified air, N2 and Ar in a needle-plate reactor were measured by emission spectra. With the analysis of the emission spectra, the influence of pulse peak voltage and frequency on OH radical generation was investigated in the three kinds of ba
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 293 (2010)
Theoretical Analysis of Photoacoustic Spectrum of NO Molecule
Gui-yin ZHANG, and Yi-dong JIN
The technique of photoacoustic (PA) spectrum is based on the conversion of photon to acoustic energy by collision quenching of the excited molecules. It holds the characteristic of higher detection sensitivity, wide detection spectral region, no damage to the sample etc. It is used in many scientific observation areas
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 297 (2010)
Research on the Synthesis and Luminescence Characterization of Deepen Red Emission Novel Polymer
Zhi-ming CHENG, Zheng XU, Qiang FU, Su-ling ZHAO, and Fu-jun ZHANG
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 301 (2010)
Luminescence Properties of Silane Coupling Agent Modified Stilbene 3 Doped Lead-Tin-Fluorophosphate Glass
Mu GU, Zhi-wei ZHAO, Xiao-lin LIU, Chen NI, Shi-ming HUANG, Bo LIU, and Xiao-ping OUYANG
In the present work, the SnF2 powder was modified by silane coupling agent KBM403. The Fourier transform infrared spectrum (FTIR) of the modified powder showed that KBM403 was absorbed on the surface of SnF2 particles through physical absorption besides a weak chemical absorption. Then the SnF2 powder was modified by t
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 308 (2010)
Quantitative Analysis of Chlorophyll-a Reflectance Spectrum in Red Spectral Region of Water
Wan-dong MA, Qian-guo XING, Yuan-zhi ZHANG, Ping SHI, and Ya-long LIU
The chlorophyll-a concentration in waters is one of the main parameters of water color remote sensing in case Ⅱ waters. There is a reflectance peak in red band region because of inherent optical properties. Based on the coefficients of absorption and backscattering of waters, colored dissolved organic matter (CDOM), tr
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 313 (2010)
Research on the Application of Response Variable Transform Method in High Scattering Medium with Near-Infrared Spectroscopy
Dan PENG, and Ke-xin XU
In the present paper, a new method named response variable transform (RVT) is proposed to reduce the effect of scattering in the NIR spectroscopy measurement. In the RVT method, the rates of the change in light intensity at different spatial positions with the concentration of the investigated composition are firstly s
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 318 (2010)
Variations in IR Spectra of Three Coating Materials under Outdoor Illumination and Pot Incubation
Xing-bin LIU, Li-jun CHEN, Zhi-jie WU, Yue WANG, Yu-lan ZHANG, and Dong-po LI
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 323 (2010)
Rapid Prediction of Total Organic Carbon Content and CEC in Soil Using Visible/Near Infrared Spectroscopy
Li-min FANG, Ai-ming FENG, and Min LIN
For the rapid detection of the total organic carbon (TOC) content and cation exchange capacity (CEC) in soil, visible/near infrared spectra (Vis/NIR) of 300 soil samples were analyzed. The algorithm of fast independent component analysis (FastICA) was used to decompose the data of Vis/NIR spectrum, and their independen
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 327 (2010)
Identification of Varieties of Textile Fibers by Using Vis/NIR Infrared Spectroscopy Technique
Gui-fang WU, and Yong HE
The aim of the present paper was to provide new insight into Vis/NIR spectroscopic analysis of textile fibers. In order to achieve rapid identification of the varieties of fibers, the authors selected 5 kinds of fibers of cotton, flax, wool, silk and tencel to do a study with Vis/NIR spectroscopy. Firstly, the spectra
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 331 (2010)
Evaluation of Heart Impact in the 100 m Extreme Intensity Sport Using Near-Infrared Non-Invasive Muscle Oxygen Detecting Device and Sports Heart Rate Detection Technology
Pei-yong WANG, Fei-xiao LONG, Lan-ying FU, Yue LI, Hai-shu DING, An-lian QU, Xiao-ping ZHOU, Yi-chao TENG, Yu XING, and Liang-ce YANG
Using continuous two wavelength near-infrared technology to detect the variation in the consistency of oxygen hemoglobin in the muscle and the sports heart rate wireless real time collection technology, we devised the real time muscle tissue oxygenation and instantaneous heart rate experiment scheme and implemented it
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 340 (2010)
Research on the Fourth Generation of Radix Isatidis by FTIR
Yan-ying ZHU, Ying GUAN, Li-peng WANG, Xi-hua GUO, and Zhi-zhou WANG
FTIR spectra of fourth-generation space bred radix isatidis and FTIR spectra of radix isatidis in a ground group were determined on the whole. Comparative analysis was conducted on main constituents (components) to accumulate data for comprehensively understanding and thoroughly studying the inherent property, and to e
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 345 (2010)
Analysis and Estimate of Corn CNCPS Component by Near Infrared Reflectance (NIR) Spectroscopy
Fang YANG, Cheng-wei XIE, Da-sen LIU, Peiqiang Yu, and Zhong-yu LI
The objective of the present study was to investigate the feasibility of predicting the CNCPS (cornell net carbohydrate and protein system) composition of corn by near infrared reflectance spectroscopy (NIRS). Sixty-five corn samples from Heilongjiang province were used. The partial least square (PLS) regression method
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 348 (2010)
Determination of the Contents of Chlorogenic Acid and Phillyrin of Shuanghuanglian Oral Fluid Using NIRS
Chuan-yun DAI, Xiao-yan GAO, Bo TANG, Ya FU, and Huo-an LIU
The aim of the present study was to establish the model of predicting the contents of chlorogenic acid and phillyrin in Shuanghuanglian oral fluid using NIR to realize quick quality evaluation of Shuanghuanglian oral fluid. To this end, many batches of Shuanghuanglian oral fluid were selected, and the contents of chlor
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 358 (2010)
Investigation of Typical Melamine Urinary Stones Using Infrared Spectra
Min-zhen SI, Qing-yun LI, Ren-ming LIU, Yi-pu KANG, Kun-hua WANG, and Zhi-guo ZHANG
A typical melamine kidney stone confirmed by some medicine expert was collected from the first people’s hospital of Yunnan. The kidney stone was adequately determined by PE corporation spectra 100(with resolution of 1 cm-1). The stone samples for FTIR analysis were prepared using the KBr pellet technique, where 2 mg of
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 363 (2010)
SERS Spectra of Xanthomonas Oryzae pv. Oryzae (Xoo) on Nano Silver Film Prepared by Electrolysis Method
Yi-pu KANG, Min-zhen SI, Qing-yu LI, Qiong HUANG, and Ren-ming LIU
The nano silver film was prepared by electrolysis method using silver nitrate and polyvinyl alcohol (PVA) in deionized water as the electrolyte, with four glass slides put in the electrolyte and two silver rods dipped into the electrolyte as the anode and cathode. A direct current was applied to the rods, then the four
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 372 (2010)
Effect of pH on the Fluorescence Characteristic of Dissolved Organic Matter in Landfill Leachate
Yue ZHAO, Xiao-song HE, Bei-dou XI, Dan WEI, Zi-min WEI, Yong-hai JIANG, Ming-xiao LI, and Tian-xue YANG
Due to its high sensitivity, good selectivity and nondestructivity nature, fluorescence technique is suitable to the study of DOM. In the present study, fluorescence characteristics of dissolved organic matter (DOM) from three different ages of landfill leachate (1a, 5a, 10a) under different pH value were investigated.
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 382 (2010)
Fluorescence Spectra Analysis of Papain Structure Treated by Dynamic High Pressure Microfluidization in Low Pressure Ranges
Wei LIU, Ming-yong XIE, Ye-jun ZHONG, Cheng-mei LIU, Bin GUAN, and Qian WANG
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 387 (2010)
Studies on TCs-Fe(Ⅲ) System Separation/Enrichment of Trace Tetracyclines Antibiotic by Combination Ionic Liquid [Hmim]PF6 Solvent Sublation with Fluorescence Spectroscopy Determination
Liang WANG, Yong-sheng YAN, Hua-ming LI, and Han-wen SUN
It is the first time ionic liquid was applied to gas solvent sublation, which established a new method for separation/enrichment of tetracyclines(TCs) antibiotic based on ionic liquid gas solvent sublation. The optimizing experimental conditions were as follows: the mixture of ionic liquid 1-hexyl-3-methylimidazo lium
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 391 (2010)
Effects of Redox State of Disulfide Bonds on the Intrinsic Fluorescence and Denaturation of Trx-Fused Gibberellin-Induced Cysteine-Rich Protein from Gymnadnia conopsea
Teng ZHANG, Juan FENG, Yang LI, Rui CHEN, Li-xia TANG, Xiao-feng PANG, and Zheng-long REN
In the present paper, thioredoxin-fused gibberellin-induced cysteine-rich protein from Gymnadnia conopsea, desigated as Trx-GcGASA and expressed prokaryotically, was purified and identified by using Ni2+-NTA affinity chromatography column and SDS-PAGE, and then its intrinsic fluorescence was investigated in the absence
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 395 (2010)
Fuzzy Recognition Research on Explosive and Illegal Drug Based on Terahertz Spectroscopy Detection
Wen-tao LIU, Jing-wen LI, Chun-yan DU, and Zhi-hui SUN
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 401 (2010)
Analysis of Influencing Factors of Snow Hyperspectral Polarized Reflections
Zhong-qiu SUN, Yun-sheng ZHAO, Guo-qian YAN, Yan-ling NING, and Gui-xin ZHONG
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 406 (2010)
Study on Modeling Method of Total Viable Count of Fresh Pork Meat Based on Hyperspectral Imaging System
Wei WANG, Yan-kun PENG, and Xiao-li ZHANG
Once the total viable count (TVC) of bacteria in fresh pork meat exceeds a certain number, it will become pathogenic bacteria. The present paper is to explore the feasibility of hyperspectral imaging technology combined with relevant modeling method for the prediction of TVC in fresh pork meat. For the certain kind of
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 411 (2010)
Hyperspectrum Based Prediction Model for Nitrogen Content of Apple Flowers
Xi-cun ZHU, Geng-xing ZHAO, Ling WANG, Fang DONG, Tong LEI, and Bing ZHAN
The present paper aims to quantitatively retrieve nitrogen content in apple flowers, so as to provide an important basis for apple informationization management. By using ASD FieldSpec 3 field spectrometer, hyperspectral reflectivity of 120 apple flower samples in full-bloom stage was measured and their nitrogen conten
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 416 (2010)
Study on Hyperspectral Estimation of Pigment Contents in Leaves of Cotton Under Disease Stress
Bing CHEN, Shao-kun LI, Ke-ru WANG, Fang-yong WANG, Chun-hua XIAO, and Wen-chao PAN
The spectrum reflectance and pigment contents of cotton leaves infected with Verticillium wilt were measured in cotton disease nursery and field in different growth phases, and severity level of Verticillium wilt was investigated. The correlation between pigment contents of cotton leaves with Verticillium wilt and spec
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 421 (2010)
Horticultural Plant Diseases Multispectral Classification Using Combined Classified Methods
Jie FENG, Hong-ning LI, Wei-ping YANG, De-dong HOU, and Ning-fang LIAO
The research on multispectral data disposal is getting more and more attention with the development of multispectral technique, capturing data ability and application of multispectral technique in agriculture practice. In the present paper, a cultivated plant cucumber’ familiar disease (Trichothecium roseum, Sphaerothe
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 426 (2010)
Study on Canopy Spectral Characteristics of Paddy Polluted by Heavy Metals
Hong-yan REN, Da-fang ZHUANG, Jian-jun PAN, Xue-zheng SHI, Run-he SHI, and Hong-jie WANG
Because of frequent mining, heavy metals are brought into environment like soils, water and atmosphere, resulting heavy metal contamination in the agricultural region beside mines. Heavy metals contamination causes vegetation stress like destruction of chloroplast structure, chlorophyll content decrease, blunt photosyn
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 430 (2010)
CdSe/ZnSe Quantum Dots via a Two-Phase Solution System Process Solubilization and Spectroscopic Characterization
Qing-bin ZHANG, Kai SONG, Xiang-gui KONG, Qing-hui ZENG, You-lin ZHANG, Ya-juan SUN, and Xiao-min LIU
In the present work, the CdSe/ZnSe core/shell quantum dots (QDs) were successfully transferred from organic phase to water phase via a two-phase solution system process by surface coating with amphiphilic polymer. Surface coating with amphiphilic polymer is an effective method, which can form stable soluble QDs in wate
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 435 (2010)
Evaluation of Kinematic Capability of Different Groups by Detecting Oxygen Saturation of Muscle Using Near Infrared Spectroscopy
Yue LI, He-bin QI, Ji-zhao SHI, Yi-chao TENG, and Hai-shu DING
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 440 (2010)
A Quick Algorithm of Dynamic Spectrum Photoelectric Pulse Wave Detection Based on LabVIEW
Ling LIN, Na LI, and Gang LI
Dynamic spectrum (DS) detection is attractive among the numerous noninvasive blood component detection methods because of the elimination of the main interference of the individual discrepancy and measure conditions. DS is a kind of spectrum extracted from the photoelectric pulse wave and closely relative to the artery
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 444 (2010)
The Multi-angle Polarization Spectral Character of Water and Its Applications in Water Color Remote Sensing
Tai-xia WU, Lei YAN, Yun XIANG, Yun-sheng ZHAO, and Wei CHEN
The reflectance of pure water is very low at visible and near infrared bands. Its spectral characteristics are not obvious. Water always shows dark hue in optical remote sensing images. This dark hue causes the difficulties in water remote sensing identification. There is an interesting phenomenon when the authors rese
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 448 (2010)
Spectral Analysis of Green Pigments of Painting and Colored Drawing in Northern Chinese Ancient Architectures
Li-qin WANG, Jing YAN, Xiao-lei FAN, and Tao MA
It is important to identify pigments of painting and colored drawing in ancient architectures in order to restore and conserve them. The components of green pigments were detected with X-ray diffraction (XRD), X-ray fluorescence (XRF) and scanning electron microscopy-energy dispersive X-ray (SEM-EDX). Twenty-seven samp
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 453 (2010)
Study on Conformation Transitions of Trichokonin Ⅵ, a Peptaibol-Like Antimicrobial Peptide, in Different Solvents by Circular Dichroism Spectroscopy
Xiao-wei DONG, Xiao-yan SONG, Mei SHI, and Yu-zhong ZHANG
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 458 (2010)
Study of the Effect of Light Source Stability on the Signal to Noise Ratio in Degenerate Four Wave Mixing Experiment
Wei-bo WANG, De-ying CHEN, Rong-wei FAN, and Yuan-qin XIA
The effects of the stability of dye laser on the signal to noise ratio in degenerate four-wave mixing (DFWM) were first investigated in iodine vapor using forward geometries. Frequency-doubled outputs from a multi-mode Nd∶YAG laser pumped dye laser with laser dye PM580 dissolved in ethanol was used. With the help of fo
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 462 (2010)
PLS Analysis Used for Noninvasive Measurement of Human Neutrophiclic Granulocyte Based on Dynamic Spectrum Method
Bao-ju ZHANG, Ping JIA, Zhi-yong ZHANG, Ling LIN, Jian-long MEN, and Gang LI
Dynamic spectrum method was used to noninvasive measurement of human neutrophilic granulocyte percent for the first time. In vivo measurements were carried out in 21 healthy volunteers, and parital least-squares was used to establish the calibration model of subjects’ neutrophilic granulocyte percent values against dyn
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 466 (2010)
Research of Coupling Effects among Various Water Quality Components
Guan-hua ZHOU, Guo-liang TIAN, Jun CHEN, Jing LI, and A-du GONG
Based on aquatic optics Monte Carlo hyperspectral simulation, the interactions between spectral characteristics of chlorophyll a, total suspended matter (TSM) and colored dissolved organic matter (CDOM) were discussed. The result shows that the nonlinear and spectrally varying interactions between different water compo
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 470 (2010)
Spectroscopic Investigation on the Interaction between Astragalin from Lotus Leaf and DNA
Sheng-guo DENG, Ze-yuan* DENG, Ya-wei FAN, Bin SHAN, and Dong-mei XIONG
The interaction between astragalin (AST) from lotus leaf and deoxyribonucleic acid (DNA) in Tris-HCl buffer (pH=7.4) was investigated by the application of fluorescence spectroscopy and ultraviolet absorption spectroscopy, the effects of ionic strength and anion quencher KI on the fluorescence intensity of AST from lot
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 476 (2010)
Study on the Interaction of Ofloxacin and Levofloxacin with DNA
Chang-lun TONG, and Xiao-xiang ZHANG
The interaction of ofloxacin (OFLX) and levofloxacin (L-OFLX) with calf thymus DNA(ctDNA)was studied by absorption spectra, fluorescence spectra, fluorescence polarization, and K3Fe(CN)6 quenching tests to show the interaction differences and binding modes. The experimental results of absorption spectra indicated that
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 481 (2010)
Resonance Scattering Detection of Trace Hg2+ Using Herring Sperm NDA Modified Nanogold
Shao-ming LING, Jian-fu LI, Ai-hui LIANG, Gui-qing WEN, Cai-yan KANG, and Zhi-liang JIANG
In pH 7.0 tris-HCl buffer solutions and in the presence of 0.017 mol?L-1 NaCl, herring sperm DNA was combined with gold nanoparticles in size of 10 nm to form stable complex, and the NaCl did not cause the aggregation of the gold nanoparticles. Upon addition of Hg2+, that reacted with DNA to form more stable complex of
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 486 (2010)
The Influence of Nonuniform Vertical Profiles of Chlorophyll Concentration on Apparent Optical Properties
Ying XI, Ke-ping DU, Li-hua ZHANG, Lee Zhongping, and Xiao-wen LI
Previous researches on ocean optics and ocean color were based on the assumption that inherent optical properties and optically significant constituents of seawater are homogeneous in the vertical direction. However, oceanographic observations show that the assumption is not always exact and the vertical inhomogeneity
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 489 (2010)
Effect of Dynamic High Pressure Microfluidization Treatment on the Microstructure of Ovalbumin
Zong-cai TU, Hui WANG, Guang-xian LIU, Guang CHEN, Yu-xin DOU, and Xue-chun ZHANG
The effect of dynamic high pressure microfluidization on the microstructure of ovalbumin was studied by CD spectra, XRD spectra, ANS fluorescence probe emission spectra and UV absorption spectra. The results indicated that the changes in the microstructure were dependent on the pressure. CD spectra were used to examine
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 495 (2010)
Applications of Real-Time Monitoring Techniques in Chemical Synthetic Ingredients
Kai-yun SHI, Zhi-ning XIA, Ting-ting GAN, Xue-mei JIANG, and Chen XIA
Real-time monitoring technique for process parameters and/or insight variables of chemical synthetic ingredients is a novel chemical process analysis method, which can real time monitor the chemical synthetic ingredients, reveal the mechanism of chemical reaction occurring, reaction courses and kinetic characteristics,
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 499 (2010)
Preparation and Transmissivity of ZnS Nanocolumn Thin Films with Glancing Angle Deposition Technology
Li-fang LU, Zheng XU, Fu-jun ZHANG, Su-ling ZHAO, Dan-dan SONG, Jun-ming LI, Yong-sheng WANG, and Xu-rong XU
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 504 (2010)
New Index for Crop Canopy Fresh Biomass Estimation
Peng-fei CHEN, Tremblay Nicolas, Ji-hua WANG, Vigneault Philippe, Wen-jiang HUANG, and Bao-guo LI
The objective of the present study is to propose a new vegetation index for corn canopy fresh biomass estimation, which improves the ability to accurately estimate high biomass levels by remote sensing technology. For this purpose, hyperspectral reflectance data of corn canopies were collected using a ground-based spec
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 512 (2010)
Simultaneous Correction for Blood Matrix Effect on Determination of Magnesium, Copper and Lead Concentration in Blood Samples by ICP-MS Using CAIS
Le YANG, Jing ZENG, Xiao-yan WANG, Zan WU, Hai-tao CHI, Li OUYANG, Jing-hua ZHANG, and Jing-yu WANG
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 518 (2010)
Separation with Ion Exchange Fiber Column and Determination of La, Nd, Eu and Gd in High Purity Ytterbium Oxide by ICP-AES
Qi GONG, Jie CHEN, Ri-wen JI, Xue-zhen PAN, and Juan WU
In the present paper, trace La, Nd, Eu and Gd were separated and enriched with strong acid ion exchange fiber column from high purity Yb2O3, and then determined by Optima 5 300 DV ICP-AES. The ion exchange fiber’s breakthrough capacity for Yb was 134 mg?g-1. The separation condition using 4.0 g fiber column was that af
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 523 (2010)
Studies on Six Heavy Metal Elements Dissolution Characteristics of Andrographis Herb by ICP-OES
Rui TANG, Tian-peng LI, Xue-shi GU, Yong-jian LI, and Yi YANG
A simple and accurate method for the simultaneous determination of As, Ba, Cd, Cr, Cu and Pb in andrographis herb by inductively coupled plasma optical emission spectrometry (ICP-OES) was developed. The samples were digested by HNO3-HClO4. The digestion-determination method was evaluated with the relative standard devi
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 528 (2010)
Monitoring the Sewage Degradation by Analyzing Optic Fiber SPR Spectrum Character
Xiao-li ZHANG, Da-kai LIANG, Jie ZENG, Zhi-yuan ZHAO, and Jian-min ZENG
The working principle of the optic fiber SPR sensor was discussed in the present paper at first. The feasibility of using it to monitor the degradation process of the environmental sewage represented by the methyl orange was studied Finally, the optic fiber SPR sensor was adopted to monitor the change in degradation co
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 532 (2010)
Applications of Atomic Emission Spectrum from Liquid Electrode Discharge to Metal Ion Detection
Xiu-ling MAO, Jian WU, and Yi-bin YING
The fast and precise detection of metal ion is an important research project concerning studies in diverse academic fields and different kinds of detecting technologies. In the present paper, the authors review the research on atomic emission spectrum based on liquid electrode discharge and its applications in the dete
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 537 (2010)
Determination of Mineral Elements in Soybean from Different Producing Areas by ICP-AES
Jie WAN, Cheng-mei LIU, Wei LIU, Zong-cai TU, Chu LI, and Wen-qin ZHANG
Soybeans from Jiangxi, Heilongjiang, Jilin and Anhui were digested by nitric acid. The contents of mineral elements K, P, Mg, Ca, Fe, Al, Zn, Mn and Na in four samples were analyzed by inductively coupled plasma atomic emission spectrometry (ICP-AES). The differences between samples were determined by Duncan’s multiple
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 543 (2010)
Determination of Inorganic Elements in the Soil-Grass-Animal System by Sealed Microwave Digestion ICP-AES
Guo-sheng XIN, Zheng HU, Wei ZHOU, Zhi-qiang YANG, Xu-sheng GUO, and Rui-jun LONG
The contents of inorganic elements including K, Ca, Na, Mg, P, S, Fe, Cu, Mn, Zn, Mo, and Co in the soil-grass-animal mineral system from Qinghai Tibetan Plateau were determined by ICP-AES using high pressure system-sealed microwave digestion. The sample of soil was digested with HNO3-HF-H2O2 acids system, but others i
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 546 (2010)
Determination of Trace Elements in Holoparasitism Cistanche Tubulosa
Yong HUANG, Xiang LUO, Dong-ping ZHAO, Yan-xia ZHU, and Yu-hai GUO
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 551 (2010)
Application of Synchrotron Radiation X-Ray Fluorescence to Investigating the Distribution of Trace Elements in Different Organs of Greenhouse Rape
Shu-zhen XIN, Yan-jing SONG, Chao LV, Yu-kui RUI, Wei XU, Dan WU, Shuang WU, Jun ZHONG, and Qing CHEN
The trace elements distribution in the root and leaf of greenhouse rape was determined with synchrotron radiation XRF, and many essential elements for human health were found, including Co, Mn, Ni, Fe, Cu, Zn, K and Ca, among which the contents of Ca, Mn, Fe, Cu and Zn are especially higher than the other elements. The
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 554 (2010)
Study on the Configuration and Applications of High Spectral Resolution Raman Spectrometer
Zhao-jun LIU, Cun-hua ZHAO, Li-gang HAN, and Yu-jun MO
In the present paper the authors studied theoretically and experimentally the relationship between spectral resolution and grating density, the limitations to improve the spectral resolution by using high density grating, the use of longer focal length grating to increase spectral resolution without compromising instru
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 567 (2010)
An Enzyme Sensor for Phenolic Compounds Analysis
Ye LI, Hui YANG, Wei-wei HAN, Ming-xia LIAO, and Yi-qiang LU
Phenolic analysis was established on the immobilized horseradish peroxidase (HRP) catalyzed oxidation reaction. It subsequently catalyzed oxidative coupling of phenol with 4-aminophenazone using aqueous hydrogen peroxide to form intensely colored products for spectrophotometric analysis. HRPs were trapped in sol-gel ma
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 571 (2010)
[in Chinese]
[in Chinese]
Spectroscopy and Spectral Analysis
  • Publication Date: Sep. 28, 2021
  • Vol.30 Issue, 2 1 (2010)