随着全球工业化进程的加快,二氧化碳的大量排放导致气候变暖。如何有效解决碳排放问题已成为全球的研究热点,二氧化碳捕集封存(Carbon Capture Utilization and Storage,CCUS)技术的应用可有效改善碳排放问题。目前,全...
纸基PANI@Pt电极的制备及催化H_2O_2电还原行为研究 CNKI文献
通过在滤纸表面依次负载石墨层、聚苯胺(PANI)层和铂(Pt)纳米颗粒,制备了滤纸/石墨-聚苯胺@铂(F/GPANI@Pt)电极。利用SEM、TEM、XRD和FT-IR等手段对所制备电极表面形貌、结构组成进行表征。并用CV和CA等电化学方法研究...
聚丙烯酸镁/丙烯酸钠双交联水凝胶的制备及性能研究 CNKI文献
以丙烯酸镁(Mg A)和丙烯酸钠(SA)为单体、N,N'-亚甲基双丙烯酰胺(MBA)为共价交联剂,通过溶液聚合方法制备了系列聚丙烯酸镁/丙烯酸钠(PAMgA/x-PASA)双交联水凝胶,并测试分析了共聚水凝胶材料的结构、吸水特性和力...
撞击流-旋转填料床一步法制备氮掺杂二氧化钛的研究 CNKI文献
以尿素为氮源、硫酸氧钛为钛源、氨水为沉淀剂,采用撞击流-旋转填料床一步法成功地制备了N掺杂TiO_2纳米粒子。利用SEM、TEM、UV-Vis、TG-DSC等对催化剂的形貌和性能进行了表征。结果表明,N掺杂TiO_2纳米粒子形貌为球...
Co_3O_4/g-C_3N_4纳米材料制备超级电容器及其电化学... CNKI文献
采用碳辅助法和原位沉降法将Co_3O_4与石墨相氮化碳(g-C_3N_4)进行复合得到Co_3O_4/g-C3N4复合材料。利用XRD、SEM、TEM等多种表征手段对Co_3O_4和Co_3O_4/g-C_3N_4复合材料进行表征。结果表...
活化C—H键直接将羟基引入芳香环是苯酚合成化学中的难题。采用自主研发的常压低能电晕放电技术,利用搭建的电晕针阵列制备苯酚的有机合成装置,在优化实验条件下由水二聚体自由基阳离子[(H2O)2+·]与苯反应...
污水处理用介孔结构MIL-101(Cr)-125Ti的制备及其BPA吸附研... CNKI文献
选择Cr(NO_3)_3·9H_2O与对苯二甲酸为原料,通过溶剂热处理方法制备得到MIL-101(Cr)及MIL-101(Cr)-125Ti,利用SEM、TEM、XRD等对其形貌和结构进行表征,对比了不同吸附剂添加量、溶液p H及温度参数引起的MIL...
关键词： 金属有机框架 / 吸附 / MIL-101(Cr)-125Ti / 双酚A(BPA)
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撞击流-旋转填料床(IS-RPB)制备纳米硫化亚铁的研究 CNKI文献
为解决传统间歇式搅拌反应釜制备硫化亚铁产物粒径大、分布不均匀和重复性差的问题,以FeSO_4·7H_2O和Na_2S·9H_2O为原料,在超重力反应器(撞击流-旋转填料床)中成功连续制备了粒径小且均一的硫化...
晶化温度对Cs/SBA-15催化乙酸乙酯羟醛缩合反应的影响 CNKI文献
采用水热合成法于不同晶化温度制备SBA-15载体,并用浸渍法制备铯负载型催化剂,通过XRD、N_2吸附-脱附、ATR-FTIR和NH_3/CO_2-TPD等手段对载体和催化剂的结构和性能进行表征。结果表明,晶化温度为373 K时,载体具有较致...
The Interannual Variation of Transboundary Contributio... CNKI文献
In recent years, several studies pointed out that anthropogenic emission sources in China which significantly contribute to the PM_(2.5) mass burden was an important cause of partic...
Xiao HAN Meigen ZHANG 《Advances in Atmospheric Sciences》 2021年05期 期刊
关键词： CMAQ / PM_(2.5) / transboundary / contribution
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Chen-Chao Koo and the Early Numerical Weather Predicti... CNKI文献
Although the first successful numerical weather prediction(NWP) project led by Charney and von Neumann is widely known, little is known by the international community about the development of NWP dur...
A Case Study of the Initiation of Parallel Convective ... CNKI文献
Parallel back-building convective lines are often observed extending to the southwest of some mesoscale convective systems(MCSs) embedded in the mei-yu front in China. The convectiv...
Qiwei WANG Yi ZHANG... 《Advances in Atmospheric Sciences》 2021年05期 期刊
关键词： back-building / convective / line / convective
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Parameterized Forward Operators for Simulation and Ass... CNKI文献
Many weather radar networks in the world have now provided polarimetric radar data(PRD) that have the potential to improve our understanding of cloud and precipitation microphysics, and numeric...
Guifu ZHANG Jidong GAO... 《Advances in Atmospheric Sciences》 2021年05期 期刊
关键词： forward / operators / polarimetric / radar
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Iterative Methods for Solving the Nonlinear Balance Eq... CNKI文献
Two types of existing iterative methods for solving the nonlinear balance equation(NBE) are revisited. In the first type, the NBE is rearranged into a linearized equation for a presumably small...
Qin XU Jie CAO 《Advances in Atmospheric Sciences》 2021年05期 期刊
Impact of the Monsoonal Surge on Extreme Rainfall of L... CNKI文献
A comparative analysis and quantitative diagnosis has been conducted of extreme rainfall associated with landfalling tropical cyclones(ERLTC) and non-extreme rainfall(NERLTC) using the dynamic compos...
Dajun ZHAO Yubin YU... 《Advances in Atmospheric Sciences》 2021年05期 期刊
关键词： landfalling / tropical / cyclones / extreme
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The Asymmetric Atmospheric Response to the Decadal Var... CNKI文献
The Kuroshio extension(KE) exhibits interdecadal variability,oscillating from a stable state to an unstable state.In this paper,ERA-Interim reanalysis data are used to discuss the possible reas...
Jianqi ZHANG Chongyin LI... 《Advances in Atmospheric Sciences》 2021年05期 期刊
关键词： KE / interdecadal / SST / variability
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On the Mechanism of a Terrain-Influenced Snow Burst Ev... CNKI文献
Short-duration snow bursts with heavy snow represent one type of hazardous weather in winter which can be easily missed by the winter weather warnings but often results in great hazards. ...
Na LI Baofeng JIAO... 《Advances in Atmospheric Sciences》 2021年05期 期刊
关键词： terrain-influenced / snow / burst / snowband
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CMIP6 Evaluation and Projection of Temperature and Pre... CNKI文献
This article evaluates the performance of 20 Coupled Model Intercomparison Project phase 6(CMIP6) models in simulating temperature and precipitation over China through comparisons with gr...
Xiaoling YANG Botao ZHOU... 《Advances in Atmospheric Sciences》 2021年05期 期刊
关键词： CMIP6 / evaluation / and / projection
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Background Error Covariance Statistics of Hydrometeor ... CNKI文献
Use of data assimilation to initialize hydrometeors plays a vital role in numerical weather prediction(NWP). To directly analyze hydrometeors in data assimilation systems from cloud-sensi...
Tao SUN Yaodeng CHEN... 《Advances in Atmospheric Sciences》 2021年05期 期刊
关键词： hydrometeors / control / variables / data
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An Experiment on the Prediction of the Surface Wind Sp... CNKI文献
In this study, the ability of the Weather Research and Forecasting(WRF) model to generate accurate near-surface wind speed forecasts at kilometer-to subkilometer-scale resolution along race tra...
Na LI Lingkun RAN... 《Advances in Atmospheric Sciences》 2021年05期 期刊
关键词： near-surface / wind / speed / forecast
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