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Thermal Degradation Kinetics of N,N'-Di(diethoxythiophosphoryl)-1,4-phenylenediamine N,N'-二(二氧基硫代磷酰)-1,4-苯二胺的热降解动力学
IF 3.1 4区 化学
Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI: 10.1016/S1005-9040(08)60131-2
Yuan-lin REN , Bo-wen CHENG , Jin-shu ZHANG , Ai-bing JIANG , Wen-li FU
{"title":"Thermal Degradation Kinetics of N,N'-Di(diethoxythiophosphoryl)-1,4-phenylenediamine","authors":"Yuan-lin REN ,&nbsp;Bo-wen CHENG ,&nbsp;Jin-shu ZHANG ,&nbsp;Ai-bing JIANG ,&nbsp;Wen-li FU","doi":"10.1016/S1005-9040(08)60131-2","DOIUrl":"10.1016/S1005-9040(08)60131-2","url":null,"abstract":"<div><p>The non-isothermal degradation kinetics of <em>N,N'</em>-di(diethoxythiophosphoryl)-1,4-phenylenediamine in N<sub>2</sub> was studied by TG-DTG techniques. The kinetic parameters, including the activation energy and pre-exponential factor of the degradation process for the title compound were calculated by means of the Kissinger and Flynn-Wall-Ozawa(FWO) method and the thermal degradation mechanism of the title compound was also studied with the Satava-Sestak methods. The results indicate that the activation energy and pre-exponential factor are 152.61 kJ/mol and 9.06 × 10<sup>14</sup> s<sup>-1</sup> with the Kissinger method and 154.08 kJ/mol with the Flynn-Wall-Ozawa method, respectively. It has been shown that the degradation of the title compound follows a kinetic model of one-dimensional diffusion or parabolic law, the kinetic function is <em>G</em>(α)=α<sup>2</sup> and the reaction order is <em>n</em>=2.</p></div>","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 628-631"},"PeriodicalIF":3.1,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60131-2","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56328435","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Effects of Lanthanide Ions on Electrooxidation of Methanol 镧系离子对甲醇电氧化的影响
IF 3.1 4区 化学
Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI: 10.1016/S1005-9040(08)60132-4
Hai-tao WANG, Yu-chun YIN, Shu-juan GAO
{"title":"Effects of Lanthanide Ions on Electrooxidation of Methanol","authors":"Hai-tao WANG,&nbsp;Yu-chun YIN,&nbsp;Shu-juan GAO","doi":"10.1016/S1005-9040(08)60132-4","DOIUrl":"10.1016/S1005-9040(08)60132-4","url":null,"abstract":"<div><p>Four kinds of lanthanide ions(Sm<sup>3+</sup>, Yb<sup>3+</sup>, Eu<sup>3+</sup>, La<sup>3+</sup>) as an additive were added into the aqueous solution containing methanol, respectively, and their effects on methanol elecotrooxidation in aqueous solutions were studied with cyclic voltammetry. The results show that the four kinds of ions have promotion action upon the electrooxidation of methanol to different degrees. The best additive, Sm<sup>3+</sup>, can increase the anodic oxidation current of methanol by 80% and the peak potential shifted negatively about 50 mV. The promotion effects of the lanthanide ions were considered to be related to the extranuclear electron distribution of these ions and their adsorption on the Pt electrode surface.</p></div>","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 632-634"},"PeriodicalIF":3.1,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60132-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56328446","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Syntheses and Structures of Binaphthyl-bridged Schiff Bases 联萘桥接席夫碱的合成与结构
IF 3.1 4区 化学
Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI: 10.1016/S1005-9040(08)60118-X
Bin WANG, Min-xiong LI, Shan-sheng XU, Hai-bin SONG, Bai-quan WANG
{"title":"Syntheses and Structures of Binaphthyl-bridged Schiff Bases","authors":"Bin WANG,&nbsp;Min-xiong LI,&nbsp;Shan-sheng XU,&nbsp;Hai-bin SONG,&nbsp;Bai-quan WANG","doi":"10.1016/S1005-9040(08)60118-X","DOIUrl":"10.1016/S1005-9040(08)60118-X","url":null,"abstract":"<div><p>The reaction of dinaphthofuran with lithium in anhydrous diethyl ether led to a solution of the corresponding C,O-dilithiated intermediate which, upon treatment with DMF at −78°C, afforded, after hydrolysis, 2′-hydroxy-1,1′-binaphthyl-2-carbaldehyde in a good yield. Then binaphthyl-bridged Schiff bases were prepared by the condensation of 2′-hydroxy-1,1′-binaphthyl-2-carbaldehyde with the corresponding aromatic amines.</p></div>","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 561-564"},"PeriodicalIF":3.1,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60118-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56328250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
TiO2-Supported Binary Metal Oxide Catalysts for Low-temperature Selective Catalytic Reduction of NOx with NH3 二氧化钛负载二元金属氧化物催化剂在NH3低温选择性催化还原NOx中的应用
IF 3.1 4区 化学
Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI: 10.1016/S1005-9040(08)60129-4
Bi-jun WU , Xiao-qin LIU , Ping XIAO , Shu-gang WANG
{"title":"TiO2-Supported Binary Metal Oxide Catalysts for Low-temperature Selective Catalytic Reduction of NOx with NH3","authors":"Bi-jun WU ,&nbsp;Xiao-qin LIU ,&nbsp;Ping XIAO ,&nbsp;Shu-gang WANG","doi":"10.1016/S1005-9040(08)60129-4","DOIUrl":"10.1016/S1005-9040(08)60129-4","url":null,"abstract":"<div><p>Binary metal oxide(MnO<sub><em>x</em></sub>-A/TiO<sub>2</sub>) catalysts were prepared by adding the second metal to manganese oxides supported on titanium dioxide(TiO<sub>2</sub>), where, A indicates Fe<sub>2</sub>O<sub>3</sub>, WO<sub>3</sub>, MoO<sub>3</sub>, and Cr<sub>2</sub>O<sub>3</sub>. Their catalytic activity, N<sub>2</sub> selectivity, and SO<sub>2</sub> poisonous tolerance were investigated. The catalytic performance at low temperatures decreased in the following order: Mn-W/TiO<sub>2</sub>&gt;Mn-Fe/TiO<sub>2</sub>&gt;Mn-Cr/TiO<sub>2</sub>&gt;Mn-Mo/TiO<sub>2</sub>, whereas the N<sub>2</sub> selectivity decreased in the order: Mn-Fe/TiO<sub>2</sub>&gt;Mn-W/TiO<sub>2</sub>&gt;Mn-Mo/TiO<sub>2</sub>&gt;Mn-Cr/TiO<sub>2</sub>. In the presence of 0.01% SO<sub>2</sub> and 6% H<sub>2</sub>O, the NO<sub><em>x</em></sub> conversions in the presence of Mn-W/TiO<sub>2</sub>, Mn-Fe/TiO<sub>2</sub>, or Mn-Mo/TiO<sub>2</sub> maintain 98.5%, 95.8% and 94.2%, respectively, after 8 h at 120 °C at GHSV 12600 h<sup>-1</sup>. As effective promoters, WO<sub>3</sub> and Fe<sub>2</sub>O<sub>3</sub> can increase N<sub>2</sub> selectivity and the resistance to SO<sub>2</sub> of MnO<sub><em>x</em></sub>/TiO<sub>2</sub> significantly. The Fourier transform infrared(FTIR) spectra of NH<sub>3</sub> over WO<sub>3</sub> show the presence of Lewis acid sites. The results suggest that WO<sub>3</sub> is the best promoter of MnO<sub><em>x</em></sub>/TiO<sub>2</sub>, and Mn-W/TiO<sub>2</sub> is one of the most active catalysts for the low temperature selective catalytic reduction of NO with NH<sub>3</sub>.</p></div>","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 615-619"},"PeriodicalIF":3.1,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60129-4","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56328405","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
Electroless Nickel Plating and Electroplating on FBG Temperature Sensor 化学镀镍及FBG温度传感器的电镀
IF 3.1 4区 化学
Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI: 10.1016/S1005-9040(08)60133-6
Ren-sheng SHEN , Rui TENG , Xiang-ping LI , Jin ZHANG , Dao-cheng XIA , Zhao-qi FAN , Yong-sen YU , Yu-shu ZHANG , Guo-tong DU
{"title":"Electroless Nickel Plating and Electroplating on FBG Temperature Sensor","authors":"Ren-sheng SHEN ,&nbsp;Rui TENG ,&nbsp;Xiang-ping LI ,&nbsp;Jin ZHANG ,&nbsp;Dao-cheng XIA ,&nbsp;Zhao-qi FAN ,&nbsp;Yong-sen YU ,&nbsp;Yu-shu ZHANG ,&nbsp;Guo-tong DU","doi":"10.1016/S1005-9040(08)60133-6","DOIUrl":"10.1016/S1005-9040(08)60133-6","url":null,"abstract":"<div><p>Metal-coated fiber Bragg grating(FBG) temperature sensors were prepared <em>via</em> electroless nickel(EN) plating and tin electroplating methods on the surface of normal bare FBG. The surface morphologies of the metal-coated layers were observed under a metallographic microscope. The effects of pretreatment sequence, pH value of EN plating solution and current density of electroplating on the performance of the metal-coated layers were analyzed. Meanwhile, the Bragg wavelength shift induced by temperature was monitored by an optical spectrum analyzer. Sensitivity of the metal-coated FBG(MFBG) sensor was almost two times that of normal bare FBG sensor. The measuring temperature of the MFBG sensor could be up to 280 °C, which was much better than that of conventional FBG sensor.</p></div>","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 635-639"},"PeriodicalIF":3.1,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60133-6","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56328456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Construction of HIV-1 Virus-like Particle Vaccine HIV-1病毒样颗粒疫苗的构建
IF 3.1 4区 化学
Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI: 10.1016/S1005-9040(08)60122-1
Dong-hai ZHAO , Xi-zhen ZHANG , Xiang-hui YU , Wei KONG
{"title":"Construction of HIV-1 Virus-like Particle Vaccine","authors":"Dong-hai ZHAO ,&nbsp;Xi-zhen ZHANG ,&nbsp;Xiang-hui YU ,&nbsp;Wei KONG","doi":"10.1016/S1005-9040(08)60122-1","DOIUrl":"10.1016/S1005-9040(08)60122-1","url":null,"abstract":"<div><p>The virus-like particle(VLPs) vaccine is an ideal HIV-1 vaccine, which can simultaneously induce a neutralizing antibody reaction and cell-mediated immunity effectively. In this study, two kinds of plasmids have been used, one can express the HIV-1 main structure proteins, Gagpol and Env, and the other contains an antibiotic gene. The two kinds of plasmids have been cotransfected into 293 cells. A stable cell line that can express Gagpol and Env proteins efficiently and lastingly has been screened. It has been confirmed that Gagpol and Env proteins in the cell culture supernatant can be self-assembled into virus-like particles. The authors have detected the secretion of VLPs in the cell medium, defined the peak of the secretion, and followed and monitored the stability of expression.</p></div>","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 579-583"},"PeriodicalIF":3.1,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60122-1","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56328300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Blends of Polypropylene and Syndiotactic 1,2-Polybutadiene: Morphology, Crystallization Behaviors and Mechanical Properties 聚丙烯与间异规1,2-聚丁二烯共混物的形貌、结晶行为和力学性能
IF 3.1 4区 化学
Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI: 10.1016/S1005-9040(08)60134-8
Cheng-wu ZHANG , Yu-dong HUANG , Sheng-chao WANG , Chun-yu ZHANG , Xue-quan ZHANG
{"title":"Blends of Polypropylene and Syndiotactic 1,2-Polybutadiene: Morphology, Crystallization Behaviors and Mechanical Properties","authors":"Cheng-wu ZHANG ,&nbsp;Yu-dong HUANG ,&nbsp;Sheng-chao WANG ,&nbsp;Chun-yu ZHANG ,&nbsp;Xue-quan ZHANG","doi":"10.1016/S1005-9040(08)60134-8","DOIUrl":"10.1016/S1005-9040(08)60134-8","url":null,"abstract":"<div><p>Morphologies, crystallization behavior and mechanical properties of polypropylene(PP)/syndiotactic 1,2-polybutadiene(s-1,2 PB) blends were investigated. Morphology observation shows the well dispersed domains of s-1,2 PB in PP matrix with the rather small domain sizes from 0.1 to 0.5 um when the s-1,2 PB content increases from 5% to 20% (mass fraction) in the blends, and the phase structure tends to become co-continuous as s-1,2 PB content further increases. Crystallization temperature(<em>T</em><sub>c</sub>) of PP component in the blends is fluctuated with the variation of s-1,2 PB content in the blends. Compatibilization, to some extent, between the two components is inferred from the examination of both morphology and crystallization behavior. Improvement of impact strength of PP toughened by s-1,2 PB becomes significant only in the case of s-1,2 PB content above 20%(mass fraction).</p></div>","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 640-643"},"PeriodicalIF":3.1,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60134-8","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56328526","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Reduction of Aldehydes by Fe-H2O-CO2 System in Supercritical Carbon Dioxide 超临界二氧化碳中Fe-H2O-CO2体系还原醛类
IF 3.1 4区 化学
Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI: 10.1016/S1005-9040(08)60138-5
Xi-zhe HUANG , Huan-feng JIANG
{"title":"Reduction of Aldehydes by Fe-H2O-CO2 System in Supercritical Carbon Dioxide","authors":"Xi-zhe HUANG ,&nbsp;Huan-feng JIANG","doi":"10.1016/S1005-9040(08)60138-5","DOIUrl":"10.1016/S1005-9040(08)60138-5","url":null,"abstract":"","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 658-660"},"PeriodicalIF":3.1,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60138-5","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56328612","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Synthesis and Soft Magnetic Properties of Mg-doped Ni Nanoparticles 镁掺杂镍纳米颗粒的合成及其软磁性能
IF 3.1 4区 化学
Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI: 10.1016/S1005-9040(08)60112-9
Jing-hai YANG , Bo FENG , Yang LIU , Yong-jun ZHANG , YANG Li-li , Ya-xin WANG , Ji-hui LANG , Dan-dan WANG
{"title":"Synthesis and Soft Magnetic Properties of Mg-doped Ni Nanoparticles","authors":"Jing-hai YANG ,&nbsp;Bo FENG ,&nbsp;Yang LIU ,&nbsp;Yong-jun ZHANG ,&nbsp;YANG Li-li ,&nbsp;Ya-xin WANG ,&nbsp;Ji-hui LANG ,&nbsp;Dan-dan WANG","doi":"10.1016/S1005-9040(08)60112-9","DOIUrl":"10.1016/S1005-9040(08)60112-9","url":null,"abstract":"<div><p>Mg-doped Ni nanoparticles with good soft magnetic properties were prepared with the sol-gel method and were sintered at 400, 500, 600, and 900 °C in argon atmosphere, respectively. The structure and magnetic properties of the samples were studied by means of X-ray diffraction, TEM, and VSM magnetometers. X-Ray powder diffraction results show that Ni-Mg solid solution was formed with the single phase of face-centered cubic(<em>fcc</em>) structure. The particle size became larger with the increase of temperature. When the sintering temperature was 400 °C, the particle size was 6.3 nm, whereas it was 46.2 nm at 900 °C. Both the saturation magnetization(<em>M</em><sub>s</sub>) and the coercivity were enhanced with the increase of the particle size. The <em>M</em><sub>s</sub> values of the samples ranged from 18.965 to 46.766 emu/g and the coercivity ranged from 1051.3568 to 9145.0848 A/m.</p></div>","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 534-536"},"PeriodicalIF":3.1,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60112-9","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56328024","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Influence of Glycerol Content on Properties of Wheat Gluten/Hydroxyethyl Cellulose Biocomposites 甘油含量对小麦面筋/羟乙基纤维素生物复合材料性能的影响
IF 3.1 4区 化学
Chemical Research in Chinese Universities Pub Date : 2008-09-01 DOI: 10.1016/S1005-9040(08)60135-X
Yi-hu SONG , Qiang ZHENG , Cheng LIU
{"title":"Influence of Glycerol Content on Properties of Wheat Gluten/Hydroxyethyl Cellulose Biocomposites","authors":"Yi-hu SONG ,&nbsp;Qiang ZHENG ,&nbsp;Cheng LIU","doi":"10.1016/S1005-9040(08)60135-X","DOIUrl":"10.1016/S1005-9040(08)60135-X","url":null,"abstract":"<div><p>Environmentally friendly biocomposites were prepared by blending wheat gluten(WG) as a matrix, hydroxyethyl cellulose(HEC) as a filler, and glycerol as a plasticizer, followed by thermo-molding of the mixture at 120 °C for crosslinking the matrix. Moisture absorption, tensile properties, dynamic mechanical analysis, and dynamic rheology were evaluated in relation to the glycerol content. Tensile strength and modulus drop dramatically with increasing glycerol content, which is accompanied by significant depression in the glass transition temperature and improvement in the extensibility of the biocomposites.</p></div>","PeriodicalId":9785,"journal":{"name":"Chemical Research in Chinese Universities","volume":"24 5","pages":"Pages 644-647"},"PeriodicalIF":3.1,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1016/S1005-9040(08)60135-X","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"56328039","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 6
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