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Insights into carbon-based materials for catalytic dehydrogenation of low-carbon alkanes and ethylbenzene

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Frontiers of Chemical Science and Engineering 2023年第11期17卷 1623-1648页

作者： Sijia Xing Sixiang Zhai Lei Chen huabin yang Zhong-Yong Yuan School of Materials Science and Engineering Smart Sensing Interdisciplinary Science CenterNankai UniversityTianjin 300350China Key Laboratory of Advanced Energy Materials Chemistry(Ministry of Education) Nankai UniversityTianjin 300071China

Direct dehydrogenation with high selectivity and oxidative dehydrogenation with low thermal limit has been regarded as promising methods to solve the increasing demands of light olefins and *** catalysts have shown remarkable performance for these reactions,such as Pt,CrOx,Co,ZrOx,Zn and *** with metal-based catalysts,carbon materials with stable structure,rich pore texture and large surface area,are ideal platforms as the catalysts and the supports for dehydrogenation *** this review,carbon materials applied in direct dehydrogenation and oxidative dehydrogenation reactions including ordered mesoporous carbon,carbon nanodiamond,carbon nanotubes,graphene and activated carbon,are summarized.A general introduction to the dehydrogenation mechanism and active sites of carbon catalysts is briefly presented to provide a deep understanding of the carbon-based materials used in dehydrogenation *** unique structure of each carbon material is presented,and the diversified synthesis methods of carbon catalysts are *** approaches for promoting the catalytic activity of carbon catalysts are elaborated with respect to preparation method optimization,suitable structure design and heteroatom *** regeneration mechanism of carbon-based catalysts is discussed for providing guidance on catalytic performance *** addition,carbon materials as the support of metal-based catalysts contribute to exploiting the excellent catalytic performance of catalysts due to superior structural *** the end,the challenges in current research and strategies for future improvements are proposed.

关键词： carbon materials dehydrogenation active sites mechanism catalytic performance support

FH Sequences Selected Based on Clustering Analysis

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通讯和计算机（中英文版） 2010年第8期7卷 58-61页

作者： huabin yang Deyu Wang Tele-communication Institute Air Force Engineering University Xi ＇an 710077 China

Fine structure ofαdecay in^(222)Pa

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Chinese Physics C 2021年第4期45卷 192-197页

作者： Wei Hua Zhiyuan Zhang Long Ma Zaiguo Gan huabin yang Cenxi Yuan Minghui Huang Chunli yang Mingming Zhang Yulin Tian Xiaohong Zhou Sino-French Institute of Nuclear Engineering and Technology Sun Yat-sen UniversityZhuhai 519082China CAS Key Laboratory of High Precision Nuclear Spectroscopy Institute of Modern PhysicsChinese Academy of SciencesLanzhou 730000China School of Nuclear Science and Technology University of Chinese Academy of SciencesBejing 100049China

With the help of the gas-filled recoil spectrometer SHANS and a digital data acquisition system,the fine structure of the α decay for^(222)Pa was *** nuclides were produced through the 1p3n evaporation channel via the heavy-ion induced fusion evaporation reaction ^(40)Ar+^(186)*** on the ER-α1-α2-α3 andα-γcorrelation measurement,three new α decays were observed in addition to the three branches known *** one with the largestαdecay energy was regarded as the ground state to ground state *** newly measuredαdecay properties of ^(222)Pa were examined in a framework of reduced width.

关键词： fusion-evaporation reaction αdecay fine structure Q_(α)reduced width

α-decay study of ^(218)Ac and ^(221)Th in ^(40)Ar+^(186)W reaction

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Chinese Physics C 2021年第4期45卷 242-247页

作者： Wei Hua Zhiyuan Zhang Long Ma Zaiguo Gan huabin yang Minghui Huang Chunli yang Mingming Zhang Yulin Tian Xiaohong Zhou Cenx Yuan Caiwan Shen Long Zhu Sino-French Institute of Nuclear Engineering and Technology Sun Yat-sen UniversityZhuhai 519082China CAS Key Laboratory of High Precision Nuclear Spectroscopy Institute of Modern PhysicsChinese Academy of SciencesLanzhou 730000China School of Nuclear Science and Technology University of Chinese Academy of SciencesBeiing 100049China School of Science Huzhou UniversityHuzhou 313000China

In this study,^(218)Ac and ^(221)Th nuclides were produced via the heavy-ion induced fusion evaporation reaction ^(40)Ar+^(186)*** decay properties were studied with the help of the gas-filled recoil spectrometer SHANS and a digital data acquisition *** cross section ratio between ^(222)Pa and ^(218)Ac was extracted experimentally,withmeasured value 0.69(9).Two new possible α decay branches to ^(221)Th are *** valence neutron configurations for the daughter ^(217)Ra are discussed in terms of the hindrance factors.

关键词： fusion-evaporation reaction αdecay fine structure reduced width hindrance factor

2 - 5 New Isotope 205Ac

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IMP & HIRFL Annual Report 2013年第1期 40-41页

作者： yang huabin Gan Zaiguo Zhang Zhiyuan Ma Long Yu Lin

Experiment for synthesis of neutron-deficient Pa isotopes

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Experiment for synthesis of neutron-deficient Pa isotopes

基于分类距离分数的自适应多模态生物特征融合

第十五届全国核结构大会

作者： yang huabin Zhang Zhiyuan Ma Long Yu Lin Gan Zaiguo Institute of Modern Physics Chinese Academy of Sciences University of Chinese Academy of Sciences Lanzhou University

The complete fusion reaction 40Ca+175Lu was studied at a beam energy of 5.1 Me V/*** goal of this experiment is mainly to investigate the α-decay properties of *** addition,in the case of 212Pa only three decay chains[1]have been reported up to *** confirmation of the α-decay properties and giving improved decay data of 212Pa are other goals of this work.

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计算机研究与发展 2018年第1期55卷 151-162页

作者：张露王华彬陶亮周健计算智能与信号处理教育部重点实验室(安徽大学) 合肥230601 安徽大学媒体计算研究所合肥230601

匹配分数是传统的融合分数指标,但是其不能很好地区分类内和类间数据,分类置信度虽然可以较好地将类内类间数据分开,但对于匹配分数仅次于分类阈值的数据,其分类效果不是很理想.因此,首先提出了一种基于分类距离分数的融合分数指标,其... 详细信息

匹配分数是传统的融合分数指标,但是其不能很好地区分类内和类间数据,分类置信度虽然可以较好地将类内类间数据分开,但对于匹配分数仅次于分类阈值的数据,其分类效果不是很理想.因此,首先提出了一种基于分类距离分数的融合分数指标,其不仅携带一级分类信息,也含有匹配分数与分类阈值之间的距离信息,可增大融合后类内类间分数之间的距离,为融合算法提供了一个具有有效判别信息的特征融合集,提高了融合指标的利用率;进一步,利用信息熵表示信息价值多少的这一特性,定义特征关联系数和特征权重系数,并将加权融合和传统SUM规则统一在一个自适应算法框架中,提高了融合识别率.实验结果验证了所提出方法的有效性.

关键词：多模态识别技术特征融合分类距离分数信息熵自适应融合

热处理对医用TiNi细丝显微组织及形状记忆效应的影响

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稀有金属材料与工程 2005年第2期34卷 299-302页

作者：高静杨冠军杨宏进杨华斌曹继敏西北有色金属研究院西安赛特金属材料开发有限公司陕西西安710016

采用 DSC、弯曲实验和扫描电镜分析研究了热处理工艺对医用 TiNi 合金细丝显微组织、相变温度和形状记忆效应的影响。结果表明,400℃~500℃,30 min^120 min 热处理时,随着温度的升高和时间的增长,TiNi 合金细丝中 Ti3Ni4析出相增多,相... 详细信息

采用 DSC、弯曲实验和扫描电镜分析研究了热处理工艺对医用 TiNi 合金细丝显微组织、相变温度和形状记忆效应的影响。结果表明,400℃~500℃,30 min^120 min 热处理时,随着温度的升高和时间的增长,TiNi 合金细丝中 Ti3Ni4析出相增多,相变温度也升高。细丝经 500℃,30 min 处理后的最大可回复应变量值最大。随弯曲变形量的增加,疲劳寿命缩短。500℃处理的试样疲劳寿命最长。

关键词： TiNi合金细丝形状记忆效应疲劳寿命

2 - 2 New Detector Array on Gas-filled Separator, SHANS

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IMP & HIRFL Annual Report 2012年第1期 36-37页

作者： Zhang Zhiyuan Huang Minghui Huang Tianheng Ma Long Yu Lin yang huabin Gan Zaiguo