Contents
2015
Volume: 35 Issue 1
59 Article(s)

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An Effective Method for Improving the Imaging Spatial Resolution of Terahertz Time Domain Spectroscopy System
Zeng-yan ZHANG, Te JI, Zhi-yong ZHU, Hong-wei ZHAO, Min CHEN, Ti-qiao XIAO, and Zhi GUO
Terahertz radiation is an electromagnetic radiation in the range between millimeter waves and far infrared. Due to its low energy and non-ionizing characters, THz pulse imaging emerges as a novel tool in many fields, such as material, chemical, biological medicine, and food safety. Limited spatial resolution is a signi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 1 (2015)
Arc Spectrum Diagnostic and Heat Coupling Mechanism Analysis of Double Wire Pulsed MIG Welding
Yong-qiang LIU, Huan LI, Li-jun YANG, Kai ZHENG, and Ying GAO
A double wire pulsed MIG welding test system was built in the present paper, in order to analyze the heat-coupling mechanism of double wire pulsed MIG welding, and study arc temperature field. Spectroscopic technique was used in diagnostic analysis of the arc, plasma radiation was collected by using hollow probe method
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 5 (2015)
Application of Optimized Parameters SVM Based on Photoacoustic Spectroscopy Method in Fault Diagnosis of Power Transformer
Yu-xin ZHANG, Zhi-feng CHENG, Zheng-ping XU, and Jing BAI
In order to solve the problems such as complex operation, consumption for the carrier gas and long test period in traditional power transformer fault diagnosis approach based on dissolved gas analysis(DGA) , this paper proposes a new method which is detecting 5 types of characteristic gas content in transformer oil suc
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 10 (2015)
Phase Transition Behavior and Thermodynamic Analysis of Hydrotalcite Flame-Retardant
Zhi-qing ZHANG, Meng-chen LIAO, Hong-yan* ZENG, Sheng XU, Li-hua XU, Pei-han ZHU, and Yong-jie YANG
The hydrotalcite with the properties of flame-retardant, eliminating smoke, filling and thermostability is a new kind of inorganic flame retardant. In the work, the MgAl hydrotalcite as flame retardant with Mg/Al molar ratio of 4 (MgAl-LDH) was prepared by using urea as the precipitating agent. The thermolysis behavior
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 14 (2015)
Effect of Annealing Pressure on P3HT∶PCBM Nanoscale Morphology and Photovoltaic Properties
Chang LI, Wei XUE, Ting ZHANG, and Su-ling ZHAO
The considerable performance enhancement of P3HT-based solar cell after thermal annealing can be attributed to the thermodynamically driven partial crystallization and phase segregation of each component. In the present work, thermal annealing was executed by delivering P3HT∶PCBM blend films onto the preheated suscepto
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 19 (2015)
Preparation and Optical Properties of Tantalum Tungsten Bronze
Wan-jun MU, Xiang XIE, Xing-liang LI, Rui ZHANG, Kai LV, and Hong-yuan WEI
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 24 (2015)
Measurement of Oxygen Concentration Using Multimode Diode Laser Absorption Spectroscopy
Guang-zhen GAO, Ting-dong CAI, Bo HU, and Tian-jun JIA
Tunable diode laser absorption spectroscopy (TDLAS) is a widely used technique for high sensitivity, good selectivity and fast response. It is widely used in environment monitoring, industrial process control and biomedical sensing. In order to overcome the drawbacks of TDLAS including high cost, poor stability and cen
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 34 (2015)
Nerve Classification with Hyperspectral Imaging Technology
Hong-ying LIU, Wen-quan GU, Qing-li LI, Yi-ting WANG, Zeng-gan CHEN, and Qin-tong XU
In surgical nerve repair surgery, the identification of nerve fascicles is a key to a good repair of their broken end. Some of the existing nerve fascicles identification method are not ideal. Hyperspectral imaging (HSI) technology provides information of images and spectra of biological tissue at the same time. It can
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 38 (2015)
Investigation on the Spectrum of Complex Self-Organized Plasma Photonic Crystal
Wei-bo LIU, Li-fang DONG, Long-hu ZHAO, Yong-jie WANG, and Xin-pu ZHANG
A complex plasma photonic crystal (PPC) was obtained by self-organization of filaments in air dielectric barrier discharge using two planar water electrodes. The PPC structure consists of many square sublattices, and each sublattice is composed of large spots, two kinds of small spots and lines, corresponding to thick
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 48 (2015)
Plasma Temperature of White-Eye Hexagonal Pattern in Dielectric Barrier Discharge
Yang ZHAO, Li-fang DONG, and Hong-yan FU
By using the water-electrode discharge experimental setup, the white-eye hexagonal pattern is firstly observed and investigated in the dielectric barrier discharge with the mixture of argon and air whose content can be varied whenever necessary, and the study shows that the white-eye cell is an interleaving of three di
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 52 (2015)
Discharge Characteristic and Spectrum Measurement of a New Type of Single Filament in a Dielectric Barrier Discharge
Long-hu ZHAO, Yu-yang PAN, Li-fang DONG, Ye-nan GAO, and Yong-jie WANG
A new type of single filament was observed in a dielectric barrier discharge (DBD) system for the first time. It was formed with a larger discharge gap (d=3.8 mm) and a smaller discharge area (S=1 cm×1 cm) in an air/argon gas mixture. Compared with the single filament observed by other experimental groups, the new
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 56 (2015)
Investigation of Fibrous Cultural Materials by Infrared Spectroscopy
Xi-yun LUO, Yi-ping DU, Mei-hua SHEN, Wen-qing ZHANG, Xin-guang ZHOU, Shu-ying FANG, and Xuan ZHANG
Cultural fibrous material includes both important categories, i.e. textile and paper, consisting of precious cultural materials in museum, such as costume, painting, and manuscript. In recent years more and more connoisseur and conservator’s concerns are, through nondestructive method, the authenticity and the ageing i
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 60 (2015)
Mineralogical and Spectral Characteristics of “Gaozhou Stone” from Jiangxi Province
Ye YUAN, Guang-hai SHI, Fa-sheng LOU, Shi-jin WU, Miao SHI, and An-jie HUANG
The seal stone is a kind of artwork with historical and cultural characteristics of China, which has been playing an important role in Chinese traditional culture. “Gaozhou stone”, a new kind of the seal stone, has been found in the market recently. To investigate the mineralogical and spectral characterastics of “Gaoz
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 65 (2015)
Research on the Inner Wall Condition Monitoring Method of Ring Forgings Based on Infrared Spectra
Xian-bin FU, Bin LIU, Bin WEI, Yu-cun ZHANG, and Zhao-lun LIU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 71 (2015)
Research on Specific Indicators of Waste Oil
Wen-xuan HE, Gui-shui HONG, Run FANG, Xian-chun CAI, and Sheng HUANG
Because both refined “waste oil” and the third category “waste oil” known as frying old oil experience a longer history at temperature higher than 200 ℃ compared to the vegetable oil. In this study, the relative change rates of content of conjugated fatty acid glycerides, content of tans-fatty acid glycerides and unsat
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 76 (2015)
NIR and XRD Analysis of Drill-Hole Samples From Zhamuaobao Iron-Graphite Deposit, Inner Mongolia
Ying-kui LI, Jian-jin CAO, Zheng-quan WU, Dong-le DAI, and Zu-xu LIN
The author analyzed the 4202 drill-hole samples from Zhamuaobao iron-graphite deposit by using near infrared spectroscopy(NIR) and X-ray diffraction(XRD) measuring and testing techniques, and then compared and summarized the results of two kinds of testing technology. The results indicate that some difference of the mi
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 83 (2015)
Measurement and Analysis on Complex Refraction Indices of Pear Pollen in Infrared Band
Le LI, Yi-hua HU, You-lin GU, Wei CHEN, Yi-zheng ZHAO, and Shan-jing CHEN
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 89 (2015)
Recognition of Water-Injected Meat Based on Visible/Near-Infrared Spectrum and Sparse Representation
Dong-mei HAO, Ya-nan ZHOU, Yu WANG, Song ZHANG, Yi-min YANG, Ling LIN, Gang LI, and Xiu-li WANG
The present paper proposed a new nondestructive method based on visible/near infrared spectrum (Vis/NIRS) and sparse representation to rapidly and accurately discriminate between raw meat and water-injected meat. Water-injected meat model was built by injecting water into non-destructed meat samples comprising pigskin,
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 93 (2015)
Research on Fast Detecting Tomato Seedlings Nitrogen Content Based on NIR Characteristic Spectrum Selection
Jing-zhu WU, Feng-zhu WANG, Li-li WANG, Xiao-chao ZHANG, and Wen-hua MAO
In order to improve the accuracy and robustness of detecting tomato seedlings nitrogen content based on near-infrared spectroscopy (NIR), 4 kinds of characteristic spectrum selecting methods were studied in the present paper, i.e. competitive adaptive reweighted sampling (CARS), Monte Carlo uninformative variables elim
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 99 (2015)
Study on Discrimination of Varieties of Fire Resistive Coating for Steel Structure Based on Near-Infrared Spectroscopy
Gang XUE, Wen-qi SONG, and Shu-chao LI
In order to achieve the rapid identification of fire resistive coating for steel structure of different brands in circulating, a new method for the fast discrimination of varieties of fire resistive coating for steel structure by means of near infrared spectroscopy was proposed. The raster scanning near infrared spectr
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 104 (2015)
Study on the Genuineness and Producing Area of Panax Notoginseng Based on Infrared Spectroscopy Combined with Discriminant Analysis
Fei LIU, Yuan-zhong WANG, Chun-yan YANG, and Hang JIN
The genuineness and producing area of Panax notoginseng were studied based on infrared spectroscopy combined with discriminant analysis. The infrared spectra of 136 taproots of P. notoginseng from 13 planting point in 11 counties were collected and the second derivate spectra were calculated by Omnic 8.0 software. The
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 108 (2015)
Application of Near-Infrared Hyperspectral Imaging to Predicting Water Content in Salmon Flesh
Feng-le ZHU, Yong HE, and Yong-ni SHAO
Near-infrared hyperspectral imaging technique was employed in the present study to determine water contents in salmon flesh rapidly and nondestructively. Altogether 90 samples from different positions of salmon fish were collected for hyperspectral image scanning, and mean spectra were extracted from the region of inte
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 113 (2015)
Characteristics of Raman Spectra of Minerals in the Veins of Wenchuan Earthquake Fault Zone
Chao XIE, Ben-gang ZHOU, Lei LIU, Xiao-cheng ZHOU, Li YI, Zhi CHEN, Yue-ju CUI, Jing LI, Zheng-wei CHEN, and Jian-guo DU
Quartz in the veins at the Shenxigou section of Wenchuan earthquake fault zone was investigated by micro-Raman spectroscopic measurement, and the distribution of compressive stress in the fault zone was estimated by the frequency shifts of the 464 cm-1 vibrational mode of quartz grains in the veins. It was showed that
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 118 (2015)
Raman Spectra Calculation and Analysis of Plasticizer Dioctyl Phthalate
Yu LIU, Hu WANG, Yan WANG, Mo-ran GUO, Jing SHI, Shi-qi FENG, Wei SONG, Rui-zhi ZHAI, and Hong-xing CAI
In recent years, with frequent domestic food safety incidents related to the plasticizing agent, the detection of plasticizers in food research becomes increasingly urgent. DEHP is one of the plasticizer. In the present paper, theoretical Raman spectrum and experimental Raman spectrum of DEHP were given. DEHP molecular
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 122 (2015)
Using Raman Spectrum Analysis to Research Corrosive Productions Occurring in Alloy of Ancient Bronze Wares
La-jiang JIA, and Pu-jun JIN
The present paper analyzes the interior rust that occurred in bronze alloy sample from 24 pieces of Early Qin bronze wares. Firstly, samples were processed by grinding, polishing and ultrasonic cleaning to make a mirror surface. Then, a confocal micro-Raman spectrometer was employed to carry out spectroscopic study on
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 128 (2015)
A Purple-Emitting Luminescence Complex [Cd(bpdc)(phen)2(H2O)]·6H2O: Synthesis, Structure and Spectral Properties
Yang XU, Liang-sheng QIANG, Yu-lin YANG, Hui-jie ZHANG, and Rui-qing FAN
A supramolecular Cd(Ⅱ) complex[Cd(bpdc)(phen)2(H2O)]·6H2O (1) was synthesized with 2,4’-biphenyldicarboxylic acid (H2bpdc) and 1,10-phenanthroline (phen) under hydrothermal conditions and characterized by single-crystal X-ray diffraction elemental analysis, and IR spectrum. Single-crystal X-ray analysis reveals co
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 132 (2015)
The Fluorescence Characteristics of Dissolved Organic Matter (DOM) in the Seagrass Ecosystem from Hainan by Fluorescence Excitation-Emission Matrix Spectroscopy
Yuan-yue CHENG, Shuai-long WANG, Shui-bo HU, Chen-yuan ZHOU, Zhen SHI, Qian LI, and Xiao-ping HUANG
The fluorescence characteristics of dissolved organic matter (DOM) were determined in the seagrass ecosystem collected in Xincun Bay of Hainan Island in late January, 2013, using fluorescence excitation-emission matrix spectroscopy (EEMs). EEMs spectra showed 2 types of fluorescence signals in DOM samples, three humic-
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 141 (2015)
Synthesis and Characterization of Non Fluorescent ZnS Nano Clusters
Liang DING, Hui YANG, Ya-nan XI, Jin-chao ZHANG, and Shi-gang SHEN
Zinc sulfide nano clusters were synthesized and characterized. A kind of method using zinc sulfide nanoparticles cluster cation exchange reaction(CX) to detect trace biological molecules was established. Non fluorescent ZnS nanoparticles (NCCs) were synthesized and characterized. The property of nano clusters directly
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 146 (2015)
Application of A New Spectrophotometric Method Manipulating Ratio Spectra for Determination of Bambuterol Hydrochloride in the Presence of Its Degradation Product Terbutaline
Lamie Nesrine T.
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 151 (2015)
Effects of Glycerol on the Spectral Properties of Sodium Caseinate
Yan LI, Fen-fen CHANG, Huan-yuan GAO, Qing CAO, and Li-e JIN
Although the immigration of water molecule, and diffusion and traversing of oxygen can be prevented by the edible film prepared through sodium caseinate, which plays a good protection role for the food, the strong hydrophilicity makes its watertightness and mechanical properties become inferior. Because the toughness a
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 157 (2015)
EEMD De-Noising of Reflecting Spectrum in Soil Profiles
Kai DENG, Jian-li DING, Ai-xia YANG, and Zeng-yi NIU
In the present paper, based on the multi-resolution attribute of EEMD (ensemble empirical mode decomposition) method, we presented a new de-noising method for analyzing spectrum, and applied it to process the reflecting spectrum data of 33 soil profiles in the typical oasis located in the middle reaches of the Tarim Ri
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 162 (2015)
A Inversion Model for Remote Sensing of Leaf Water Content Based on the Leaf Optical Property
Mei-hong FANG, and Wei-min JU
Leaf water content is a fundamental physiological characteristic parameter of crops, and plays an important role in the study of the ecological environment. The aim of the work reported in this paper was to focus upon the retrieval of leaf water content from leaf-scale reflectance spectra by developing a physical inver
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 167 (2015)
Simulation of TDLAS Direct Absorption Based on HITRAN Database
Ru-bin QI, Shu-kai HE, Xin-tian LI, and Xian-zhong WANG
Simulating of the direct absorption TDLAS spectrum can help to comprehend the process of the absorbing and understand the influence on the absorption signal with each physical parameter. Firstly, the basic theory and algorithm of direct absorption TDLAS is studied and analyzed thoroughly, through giving the expressions
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 172 (2015)
Research on Maize Multispectral Image Accurate Segmentation and Chlorophyll Index Estimation
Qian WU, Hong SUN, Min-zan LI, Yuan-yuan SONG, and Yan-e ZHANG
In order to rapidly acquire maize growing information in the field, a non-destructive method of maize chlorophyll content index measurement was conducted based on multi-spectral imaging technique and imaging processing technology. The experiment was conducted at Yangling in Shaanxi province of China and the crop was Zh
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 178 (2015)
Interaction of Fish Collagen Peptide with Epigallocatechin Gallate
Wei YANG, Fang YUAN, and Yan-xiang GAO
Fish collagen is known to have good moisturising property and antioxidant ability, which has been increasingly added into cosmetics, foods and drinks as thicker agent and to increase dietary supply of collagen. Fish collagen peptide (FCP) is a white or pale yellow powder, obtained by extracting collagen from sources in
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 184 (2015)
Colorimetric Assay of Perfluorooctanesulfonate Based on Gold Nanoparticles
Yan-bin CONG, Yong-hong ZHENG, Li ZHENG, Fei WU, and Ke-jun TAN
For the property of persistent, bioaccumulation and genetic toxicity, perfluorooctanesulfonate (PFOS) is classified as a sort of persistent organic pollutants (POPs). It is significant to develop a novel assay for the determination of PFOS. In this work, we create a new colorimetric assay for PFOS in which the positive
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 189 (2015)
Spectrophotometric Determination of Aromatic Amino Compounds with J-Acid
Xiao-hang YIN, Wen-jian SHI, Xin SHEN, Jun-tao MA, and Liang LI
The problems such as chromogenic reaction selectivity, reaction rate, sensitivity and water-solubility of azo compounds were considered. The molecular structures of coupling components were theoretically designed and screened in the present research. The reaction conditions and methods of chromogenic reaction were inve
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 193 (2015)
Non-Destructive Detection Research for Hollow Heart of Potato Based on Semi-Transmission Hyperspectral Imaging and SVM
Tao HUANG, Xiao-yu LI, Meng-ling XU, Rui JIN, Jing KU, Sen-miao XU, and Zhen-zhong WU
The quality of potato is directly related to their edible value and industrial value. Hollow heart of potato, as a physiological disease occurred inside the tuber, is difficult to be detected. This paper put forward a non-destructive detection method by using semi-transmission hyperspectral imaging with support vector
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 198 (2015)
Enhancement Effect of Double-Beam Laser Processed Aqueous Solution on ICP Emission Spectrum
Jin-zhong CHEN, Li-jing XU, Hong-xin SU, Xu LI, and Shu-fang WANG
In order to change the physical properties of aqueous solution and improve the radiation intensity of the ICP emission spectrum, the effects of different laser power density and irradiation time on the surface tension and viscosity of aqueous solution were investigated by using near infrared laser at 976 nm and CO2 las
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 203 (2015)
Analysis of Lead in Unknown Samples Based on the Standard Addition Method Using Laser Induced Breakdown Spectroscopy
Li FANG, Nan-jing ZHAO, De-shuo MENG, Jing YUAN, Jie TANG, Yin WANG, Yang YU, Ming-jun MA, Li HU, Da-hai ZHANG, Xue XIAO, Yu WANG, Jian-guo LIU, and Wen-qing LIU
The standard addition method with laser induced breakdown spectroscopy was used to analyze an unknown sample taken from a lead battery factory. the matrix influence on the results was effectively avoided when the external or internal standard method was used, and the pretreatment of samples was simple and quick. The Nd
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 208 (2015)
Application of ICP-MS Method in the Determination of Mineral Elements in Vitex Honey for the Classification of Their Geographical Origins with Chemometric Approach
Hui CHEN, Chun-lin FAN, Qiao-ying CHANG, Guo-fang PANG, Ya-fei CAO, Ling-he JIN, and Xue-yan HU
In the present work, the contents of 38 elements of 65 vitex (Vitex negundo var. heterophylla Rehd.) honey samples from Shunyi of Beijing, Fuping and Pingshan of Hebei province were determined by inductively coupled plasma mass spectrometry (ICP-MS). Among them, B, Na, Mg, P, K, Ca, Fe and Zn were the most abundant ele
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 212 (2015)
Application of Inductively Coupled Plasma Mass Spectrometry with Chemometric Methods in Classification of Honeys According to Their Types
Zhao-bin WU, Fang CHEN, Lan-zhen CHEN, Jing ZHAO, Yi LI, Li-ming WU, and Zhi-hua YE
In order to identify honeys according to their floral origin, inductively coupled plasma mass spectrometry (ICP-MS) combined with principal component analysis (PCA) and discriminant analysis (DA) were employed in the present study. Three kinds of honeys such as acacia honey samples, sunflower honey samples and rape hon
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 217 (2015)
Determination of High Concentrations of Rubidium Chloride by ICP-OES
Yuan ZHONG, Bai SUN, Hai-jun LI, Tao WANG, Wu LI, and Peng-sheng SONG
The method of ICP-OES for the direct determination of high content of rubidium in rubidium chloride solutions was studied through mass dilution method and optimizing parameters of the instrument in the present paper. It can reduce the times of dilution and the error introduced by the dilution, and improve the accuracy
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 223 (2015)
Analysis of Changes in Minerals Contents during Cider Fermentation Process by Inductively Coupled Plasma Mass Spectrometry
Meng-qi YE, Tian-li YUE, Zhen-peng GAO, Ya-hong YUAN, and Gang NIE
The changes in mineral elements during cider fermentation process were determined using ICP-MS. The results showed that the main minerals in the fermentation liquor included K, Na, Ca, Mg, Fe, Mn, Zn, Cu, Sr and B. The content of K was the highest in both the apple juice and the cider, being 1 853.83 and 1 654.38 mg
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 229 (2015)
Determination of Multi-Elements in Aquatic Feed by Microwave Plasma-Atomic Emission Spectroscopy
Ying-dong LI, Jing-jing YU, Yao-min LIU, Kun OUYANG, Feng-ping ZHANG, Guo-liang LI, and Xiu-li FAN
In the present research, a novel method for quantitative analysis of multi-elements (Cu, Fe, Mn, Zn, K and Na) in aquatic feed was established by using microwave plasma-atomic emission spectroscopy (MP-AES) technology. The sample was pretreated by traditional dry ashing method, and then a series of methodological study
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 234 (2015)
In Vitro Safety Evaluation Study of Angong Niuhuang Wan
Xin-mei WANG, Su ZHANG, Mei-bo WANG, Jing XIA, Li-min LI, Ke WANG, and Shen JI
To study a vitro extraction method to determine soluble mercury and mercury species in Angong Niuhuang Wan and investigate a vitro safety evaluation method, the best extraction scheme was determined after a great deal of conditioning experiments focusing on how the solvent, purification, duration of extraction and puri
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 238 (2015)
Spectroscopic Analysis and Photocatalytical Activity of Carbon Nitride Materials
Xiao-feng SONG, Hong TAO, Biao CHEN, Liang-xia CHEN, Liang LI, Yan SUN, Tao PANG, and Yan-gang WANG
Graphited carbon nitride materials (g-C3N4) with high visble-light response were synthesized by thermal condensation of melamine at varied temperature. The microstructure and optical property of as- achieved catalysts were investigated by XRD, SEM and UV-Vis techniques, respectively. Moreover, rhodamine B solution was
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 242 (2015)
Application of Calibration Curve Method and Partial Least Squares Regression Analysis to Quantitative Analysis of Nephrite Samples Using XRF
Song LIU, Bo-min SU, Qing-hui LI, and Fu-xi GAN
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 245 (2015)
The Study of Selecting Sample Detecting Position and Lead Plate Inner Material in Thin Film Method X-Ray Fluorescence Measurement
Ting-ting GAN, Yu-jun ZHANG, Nan-jing ZHAO, Gao-fang YIN, Xin-xin DONG, Ya-ping WANG, Jian-guo LIU, and Wen-qing LIU
(1) In this paper type 316 stainless steel metal plate as the research object, the selection of sample detecting position was studied when thin film method X-ray fluorescence measurement was conducted. The study showed that the optimal location for the sample detection was sample distance X-ray tube and detector baseli
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 252 (2015)
SKLOF:A New Algorithm to Reduce the Range of Supernova Candidates
Liang-ping TU, Hui-ming WEI, Peng WEI, Jing-chang PAN, A-li LUO, and Yong-heng ZHAO
Supernova (SN) is called the “standard candles” in the cosmology, the probability of outbreak in the galaxy is very low and is a kind of special, rare astronomical objects. Only in a large number of galaxies, we have a chance to find the supernova. The supernova which is in the midst of explosion will illuminate the en
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 258 (2015)
Automatic Classification Method of Star Spectra Data Based on Manifold Fuzzy Twin Support Vector Machine
Zhong-bao LIU, Yan-yun GAO, and Jian-zhen WANG
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 263 (2015)
Study on a New Method for Instrumental Line Shape Measurement of Spatial Heterodyne Interference Spectrometer
Wei XIONG, Hai-liang SHI, and Neng-hai YU
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 267 (2015)
Study on Single-Walled Carbon Nanotube Thin Film Photoelectric Device
Wen-bin XIE, Yong ZHU, Tian-cheng GONG, Yu-lin CHEN, and Jie ZHANG
The single-walled carbon nanotube film photoelectric device was invented, and it can generate net photocurrent under bias voltage when it is illuminated by the laser. The influences of bias voltage, laser power and illuminating position on the net photocurrent were investigated. The experimental results showed that whe
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 272 (2015)
Multispectral Image Compression Algorithms For Color Reproduction
Wei LIANG, Ping ZENG, Xue-mei LUO, Yi-feng WANG, and Kun XIE
In order to improve multispectral images compression efficiency and further facilitate their storage and transmission for the application of color reproduction and so on, in which fields high color accuracy is desired, WF serial methods is proposed, and APWS_RA algorithm is designed. Then the WF_APWS_RA algorithm, whic
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 276 (2015)
Recent Progress in Nuclear Magnetic Resonance Spectrum for Drug Research and Development
Jun ZHONG, and Xue-mei JIANG
In the process of modern drug research, the new methods and technologies which can detect drug molecules’ chemical composition, structure and interaction with biomolecules are always the key scientific problems people care about. Spectra (including IR, UV and NMR) are the most common analytical methods, of which NMR ca
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 282 (2015)
[in Chinese]
[in Chinese]
Spectroscopy and Spectral Analysis
  • Publication Date: Jan. 01, 2015
  • Vol. 35 Issue 1 1 (2015)