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Physico-Mechanical Properties of Treated Chicken Feather–Reinforced Unsaturated Polyester Resin Based Composites 处理鸡毛增强不饱和聚酯树脂基复合材料的物理力学性能
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-04-06 DOI: 10.4028/www.scientific.net/NHC.32.73
M. Ali, Md. Sahadat Hossain, T. Moin, Samina Ahmed, A. Chowdhury
{"title":"Physico-Mechanical Properties of Treated Chicken Feather–Reinforced Unsaturated Polyester Resin Based Composites","authors":"M. Ali, Md. Sahadat Hossain, T. Moin, Samina Ahmed, A. Chowdhury","doi":"10.4028/www.scientific.net/NHC.32.73","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.32.73","url":null,"abstract":"The influence of chemical treatment on the mechanical properties of treated chicken feather fibre-reinforced unsaturated polyester resin (TCFF-UPR) composites was studied in this research. Redundant portions of chicken from poultry farms are comprehensively contaminating the environment. To minimize environmental pollution, these redundant portions need to use for the production of other materials. In this study, we used chicken feather for the preparation of useful composites combining with unsaturated polyester resin (UPR) to reduce environmental pollution. The composites were prepared successfully by conventional hand lay up technique using modified chicken feather as the reinforcing phase of composites. For preparing composites different percentages (2, 5, 7, 10, 12 and 15% by weight) of fibre were used. Attained tensile test results expressed significant enhancement in the tensile properties of composites, with the optimum combination of tensile strength presented by 5 wt% , tensile modulus presented by 10 wt% untreated chicken feather bio-fibre reinforcement and bending strength by 5 wt% chicken feather bio-fibre reinforcement.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"89 1","pages":"73 - 84"},"PeriodicalIF":0.4,"publicationDate":"2021-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77212602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Frictional Heat Simulation of Brake Composites in a Pin-on-Disc Tribotesting 制动复合材料销盘摩擦试验中的摩擦热模拟
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-04-06 DOI: 10.4028/www.scientific.net/NHC.32.63
F. Yusubov
{"title":"Frictional Heat Simulation of Brake Composites in a Pin-on-Disc Tribotesting","authors":"F. Yusubov","doi":"10.4028/www.scientific.net/NHC.32.63","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.32.63","url":null,"abstract":"This paper presents the comparative investigation of temperature distributions in the pin-on-disc tribo-contact with dry friction conditions. Heat generation and distribution mechanism in contact of a pin made by phenolic resin–based brake friction composite and 35HNL steel disc counter-face material were studied. Both experimental and simulation methods were used to study the temperature changes. In order to analyse the thermal effects, the change in the coefficient of friction with time were also characterized. Experimental friction tests performed on universal “pin-on-disc\"-type friction and wear test machine model MMW-1. Interface temperature measurements of the disc was conducted non-contact type infra-red laser thermometer. Heat simulations were modelled via finite element method using COMSOL Multiphysics 5.5, Heat Transfer in Solid Module. The simulations helped to determine in the increase of temperature over selected time period. Obtained experimental results compared with results of numerical analysis.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"24 1","pages":"63 - 71"},"PeriodicalIF":0.4,"publicationDate":"2021-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"76054883","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Lightweight Panel for Building Construction Based on Honeycomb Paper Composite/Core-Fiberglass Composite/Face Materials 基于蜂窝纸复合材料/芯-玻璃纤维复合材料/表面材料的轻质建筑板材
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-04-06 DOI: 10.4028/www.scientific.net/NHC.32.15
T. H. Nguyen, Hoc Thang Nguyen
{"title":"Lightweight Panel for Building Construction Based on Honeycomb Paper Composite/Core-Fiberglass Composite/Face Materials","authors":"T. H. Nguyen, Hoc Thang Nguyen","doi":"10.4028/www.scientific.net/NHC.32.15","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.32.15","url":null,"abstract":"Lightweight panels for indoor constructions are typically made from composite materials with honeycomb and corrugated structures. The reinforcements are used in this study, one is fiberglass and the other is cellulose fiber, which cellulose from recycled paper. Experimental results indicate that the weight of honeycomb paper panel is light, only 13.6% of fiberglass composite and 32.6% of plywood. The presence of honeycomb structure has a significant effect on mechanical behaviors of composite panels. Both flexural and compressive strengths increase by replacing corrugated structure into honeycomb structure. During compression, the compressive strength and modulus of two-layer honeycomb/core panel are higher than those of monolayer honeycomb/core. Particularly, the honeycomb cell-wall thickness has a little effect on the weight, but has an important effect on mechanical properties. These results can be created low cost and lightweight environment-friendly panels by using recycled paper honeycomb structure.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"50 1","pages":"15 - 23"},"PeriodicalIF":0.4,"publicationDate":"2021-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"81618127","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Green Synthesis of Reduced Graphene Oxide by Using Reducing Sugars 利用还原糖绿色合成氧化石墨烯
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-02-16 DOI: 10.4028/www.scientific.net/NHC.31.17
A. Rashid, Husna Rosli
{"title":"Green Synthesis of Reduced Graphene Oxide by Using Reducing Sugars","authors":"A. Rashid, Husna Rosli","doi":"10.4028/www.scientific.net/NHC.31.17","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.31.17","url":null,"abstract":"Graphene is a promising candidate for a broad range application in many fields and it has attracted a lot of attention from the researchers due to its unique properties. The involvement of toxic chemicals in synthesisation process is quite worrying as they release toxic gases and cause an explosion. Hence, this research reports a facile and safer method where the improved Hummer’s method was used to synthesize graphene oxide. Chemical reagent reduction method was implemented to synthesize reduced graphene oxide where glucose, fructose and sucrose were used as the reducing agents. The structural and optical properties of GO and rGO was determined by using Fourier Transform Infrared (FTIR) and ultraviolet-visible (UV-Vis) spectrometer. The FTIR analysis of the films showed the existence of a large amount of oxygen-containing functional groups in GO compared to G-rGO, F-rGO and S-rGO. Furthermore, the UV-Vis analysis of GO showed the presence of an absorption peak at 230 nm and also a shoulder at 301 nm. The reduction of GO by sucrose caused a red shift from 230 nm to 260 nm while the reduction of GO by glucose and fructose caused a redshift to 268 nm. By referring to Tauc’s plot method, it was observed that the optical band gaps of GO, G-rGO, F-rGO and S-rGO were 4.26 eV, 3.32 eV, 3.38 eV and 3.66 eV, respectively.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"17 1","pages":"17 - 24"},"PeriodicalIF":0.4,"publicationDate":"2021-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"84298952","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of Temperature on the Properties of Poly(Vinylpyrrolidone)-Iron Magnetic Nanocomposite for Oil Recovery 温度对聚乙烯吡咯烷酮-铁磁性纳米采油复合材料性能的影响
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-02-16 DOI: 10.4028/www.scientific.net/NHC.31.73
Muhammad Syafiq Aiman Abd Rahman, Noor Farah Nazirah Norsamsuddin, Nurul Hafizah Muhamad Tajuddin, S. N. Zahari, S. Tamam
{"title":"Effect of Temperature on the Properties of Poly(Vinylpyrrolidone)-Iron Magnetic Nanocomposite for Oil Recovery","authors":"Muhammad Syafiq Aiman Abd Rahman, Noor Farah Nazirah Norsamsuddin, Nurul Hafizah Muhamad Tajuddin, S. N. Zahari, S. Tamam","doi":"10.4028/www.scientific.net/NHC.31.73","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.31.73","url":null,"abstract":"The poly (vinylpyrrolidone)-iron magnetic nanocomposite (PVP-Fe NCs) recently used for oil recovery since it capable to remove up to 80% of oil. However, the magnetic properties PVP-Fe NCs might not be consistently performed as it has a tendency to having low magnetism depending on their temperature. This study aims to investigate the effect of temperature of PVP-Fe NCs, to see the effectiveness of oil recovery from aqueous environment by using magnetic decantation method. The PVP-iron magnetic was synthesized by three steps using poly (vinylpyrrolidone), FeCl2•4H2O, FeCl3•6H2O and ammonia solution involving mixing and heating, precipitating and separating. The oil removal was tested by mixing the PVP-Fe NCs into an oil-water mixture to let it coat by oil. The oil-water separation was conducted by using a neodymium magnet. The experiments were repeated using the same PVP-materials with different temperatures such as room temperature, 50°C, 80°C and 90°C. The presence of OH-1 group and the magnetic property of each samples was characterized by using FTIR and VSM. The study reveals that the PVP-Fe NCs have highest magnetism at 80°C compared to other temperatures. 80°C seem to be the optimum temperature to perform the good magnetism of PVP-Fe NCs since it reduces its magnetism at 90°C due to its thicker coat. The also showed that PVP-Fe3 are hydrophilic that can assist in oil separation from water. This study demonstrated a significant finding in oil recovery application using PVP-iron magnetic nanocomposites materials.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"46 1","pages":"73 - 80"},"PeriodicalIF":0.4,"publicationDate":"2021-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88637326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Gold Nanoparticles Coated FBG Sensor Based on Localized SPR for Adulterated Honey Classification 基于局部SPR的金纳米颗粒包覆FBG传感器用于掺假蜂蜜分类
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-02-16 DOI: 10.4028/www.scientific.net/NHC.31.45
W. M. Mokhtar, Nurul Husna Md Khairuddin Pang, R. M. Halim
{"title":"Gold Nanoparticles Coated FBG Sensor Based on Localized SPR for Adulterated Honey Classification","authors":"W. M. Mokhtar, Nurul Husna Md Khairuddin Pang, R. M. Halim","doi":"10.4028/www.scientific.net/NHC.31.45","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.31.45","url":null,"abstract":"Two types of fiber optics, namely macro etched silica single mode fiber (SMF) and Fiber Bragg Grating (FBG) (Bragg wavelength of 1550 nm and 1554 nm) had been used to detect various types of honey samples, such as Apis Dorsata Honey, Trigona Honey and Capilano Australian Honey. To study the effect of exposure period in open environment at room temperature, all honey samples were exposed in open environment at room temperature from 2 to 10 days. In comparison with macro etched SMF and FBG (λB=1554 nm), the FBG (λB=1550 nm) portrays an excellent sensing properties with sensitivity and selectivity of 33.56 dB/RIU and 24.07 dB/RIU respectively. The output of this work concludes that the quality of honey based on optical output power reduces up to 0.35% as period of exposure to the open environment increased.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"8 1","pages":"45 - 54"},"PeriodicalIF":0.4,"publicationDate":"2021-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"88190472","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
The Synthesis and Characterization of Anodic Alumina Oxide Using Sulfuric Acid and Oxalic Acid 用硫酸和草酸合成阳极氧化铝及其表征
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-02-16 DOI: 10.4028/www.scientific.net/NHC.31.35
Nur Afieqah Md Ghazazi, Syahida Suhaimi, M. Z. Othman
{"title":"The Synthesis and Characterization of Anodic Alumina Oxide Using Sulfuric Acid and Oxalic Acid","authors":"Nur Afieqah Md Ghazazi, Syahida Suhaimi, M. Z. Othman","doi":"10.4028/www.scientific.net/NHC.31.35","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.31.35","url":null,"abstract":"Anodic Alumina Oxide (AAO) is one of the nanomaterials that have developed as a template in the nanowires, nanodots and nanotubes. This research focuses on synthesizing AAO by two different electrolytic solutions which are using sulfuric acid (H2SO4) and oxalic acid (C2H2O4) by electrochemical anodization method. Two parameters were influencing the anodization process in the experiment; the type and the concentration of the electrolytic solution. The effects of the different type of electrolytic solutions produced different size of pores. When the voltage used is 25 V in H2SO4, the optimum reading size of the nanopores is in the range of 16-22 nm, whereas the AAO pores in C2H2O4 are in the range of 100-200 nm. Meanwhile, the concentration of H2SO4 and C2H2O4 is set to be 0.3 M, 0.4 M and 0.5 M., The results in 0.3 M H2SO4 and C2H2O4, show the optimum concentration of electrolytic solutions which is the key parameter affecting the morphological structure of porous membranes in AAO. The optimum value for these two acidic solutions has produced such highly ordered arrangement of nanopores which are from the average size of nanopores that anodized in sulfuric acid is 19 nm while 120 nm in oxalic acid. The morphological structure properties of AAO templates include the diameter of nanopores, the thickness of membrane and density of nanopores would be examined by Field Emission Scanning Electron Microscope (FESEM) and Energy Dispersive X-ray (EDX). Also, Fourier-transmittance infrared spectroscopy (FTIR) detected the chemical functional group of bonds in AAO. In conclusion, AAO templates have a big potential to be the major contributor in the future for the development of new electronic devices.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"12 1","pages":"35 - 44"},"PeriodicalIF":0.4,"publicationDate":"2021-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"77735590","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Significance of Cobalt Ferrite Nanoparticles on Superconducting Properties of Tl-1212 High Temperature Superconductor 钴铁氧体纳米颗粒对Tl-1212高温超导体超导性能的影响
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-02-16 DOI: 10.4028/www.scientific.net/NHC.31.1
Nurul Auni Khalid, W. Kong, I. Kong, Cin Kong, M. M. Kechik, R. Abd-Shukor
{"title":"Significance of Cobalt Ferrite Nanoparticles on Superconducting Properties of Tl-1212 High Temperature Superconductor","authors":"Nurul Auni Khalid, W. Kong, I. Kong, Cin Kong, M. M. Kechik, R. Abd-Shukor","doi":"10.4028/www.scientific.net/NHC.31.1","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.31.1","url":null,"abstract":"Thallium-based high temperature superconductor (HTS) with nominal starting composition (Tl0.85Cr0.15)Sr2CaCu2O7-δ (Tl-1212) was prepared using high purity oxide powders via solid state reaction method. Small amounts (0.0 – 0.15 wt. %) of cobalt ferrite nanoparticles (CoFe2O4) were added into Tl-1212 superconductors. The effect of CoFe2O4 nanoparticles addition on the critical temperature (Tc), phase formation and microstructure properties including elemental compositional analysis were studied. The samples were investigated by the characterization of electrical resistance measurement, powder X-ray diffraction method (XRD), scanning electron microscopy and energy dispersive X-ray analysis (EDX). Zero-resistance temperature (Tc-zero) was found to reduce from 97 K to 89 K with increasing of CoFe2O4 nanoparticles concentration. Most of the samples indicated a dominant Tl-1212 phase of a tetragonal structure with a minor phase of Tl-1201. SEM micrographs with EDX mapping showed that CoFe2O4 nanoparticles were well distributed in all the samples.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"1 1","pages":"1 - 5"},"PeriodicalIF":0.4,"publicationDate":"2021-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"89811254","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Optical Properties of ZnO, TiO2 and ZnO:TiO2 Composite Films ZnO、TiO2及ZnO:TiO2复合薄膜的光学性质
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-02-16 DOI: 10.4028/www.scientific.net/NHC.31.25
A. Rashid, Hani Khaliesah Tazri
{"title":"Optical Properties of ZnO, TiO2 and ZnO:TiO2 Composite Films","authors":"A. Rashid, Hani Khaliesah Tazri","doi":"10.4028/www.scientific.net/NHC.31.25","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.31.25","url":null,"abstract":"We report a fabrication and characterization of ZnO, TiO2 and ZnO:TiO2 composite thin films. The films were prepared on glass substrates by using the dip coating sol-gel method. ZnO was synthesized by using Zinc acetate dehydrated, glacial acetic acid and ethanol. Meanwhile, TiO2 was prepared by using titanium isopropoxide, acetic acid, isopropyl alcohol and methanol. The single sols were mixed with fixed molarity of 0.2 mol to obtain ZnO:TiO2 composite films. The optical properties of metal oxide, such as transmittance, absorbance and band gap were determined using UV-Vis spectrometer. FTIR was used to determine the chemical bonds of the materials. ZnO has the highest transmittance spectra (91%), followed by TiO2 (70%) and ZnO:TiO2 (35%) composite films. The absorbance edge shifted to the longer wavelength for ZnO:TiO2 composite film. The energy band gap of ZnO, TiO2 and ZnO: TiO2 composite were 3.8 eV, 3.6 eV and 3.5 eV, respectively.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"12 1","pages":"25 - 33"},"PeriodicalIF":0.4,"publicationDate":"2021-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"79951373","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A Review on Thermal Evaporation Method to Synthesis Zinc Oxide as Photocatalytic Material 热蒸发法合成氧化锌光催化材料的研究进展
IF 0.4
Nano Hybrids and Composites Pub Date : 2021-02-16 DOI: 10.4028/www.scientific.net/NHC.31.55
Najiha Hamid, Syahida Suhaimi, M. Z. Othman, W. Ismail
{"title":"A Review on Thermal Evaporation Method to Synthesis Zinc Oxide as Photocatalytic Material","authors":"Najiha Hamid, Syahida Suhaimi, M. Z. Othman, W. Ismail","doi":"10.4028/www.scientific.net/NHC.31.55","DOIUrl":"https://doi.org/10.4028/www.scientific.net/NHC.31.55","url":null,"abstract":"Zinc oxide (ZnO) is a metal oxide material that is interested in research due to its possibility of bandgap tailoring, doping with various types of materials as well as being able to form many structures from zero-dimensional to three-dimensional structures. All these properties allow ZnO to be used in broad applications. Several research studies have been reported on the synthesis of ZnO nanostructures by the physical vapour deposition (PVD) technique. One of the potential PVD technique is thermal evaporation process. Generally, the technique is used to grow thin-film but researchers have found a potential to be used in the growth of nanostructures due to the ability to provide high crystallinity with homogeneous and uniform nanostructures. This analysis will therefore explore more about the thermal evaporation synthesized ZnO nanostructures and the application as photocatalyst material in wastewater treatment.","PeriodicalId":18861,"journal":{"name":"Nano Hybrids and Composites","volume":"49 1","pages":"55 - 63"},"PeriodicalIF":0.4,"publicationDate":"2021-02-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"91209427","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
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