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CaH2-promoted activity of Ni-carbonate interface for CO2 methanation

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Journal of Energy Chemistry 2025年第1期100卷 522-532页

作者： Jin-peng Wang Guo-Cui Mao Hui-Lin Jiang Bao-Xia Dong yun-Lei Teng School of Chemistry and Chemical Engineering Yangzhou University

Transition metal-carbonate interfaces often act as active sites in heterogeneous catalytic *** interface between transition metal and metal carbonate exhibits a dynamic equilibrium during the CO2hydrogenation reaction,involving surface carbonate hydrogenation and ***,there have been few reports on engineering the activity of the interface between transition metal and alkaline earth metal carbonate for catalytic *** work demonstrated that the incorporation of CaH2in Ni/CaCO3enhances the CO2methanation activity of the *** CO2conversion for Ni/CaH2-CaCO3reached 68.5%at 400°C,which was much higher than that of the Ni/CaCO3（31.6%） and Ni/CaH2-CaO （42.4%） ***,the Ni/CaH2-CaCO3catalysts remained stable during the stability test for 24 h at 400°C and 8 *** research revealed that CaH2played a crucial role in promoting the activity of the Ni-carbonate interface for ***2could modify the electronic structure of Ni and tune the structural properties of CaCO3to generate medium basic sites （OH groups）,which are favorable for the activation of H2and ***-situ Fourier transform infrared spectroscopy （FTIR） analysis combined with density functional theory calculations demonstrated that CO2activation occurs at the hydroxyl group （OH） on the CaH2-modified Ni-carbonate surface,leading to the formation of CO3H****,our study has confirmed that CO2methanation over the Ni/CaH2-CaCO3catalysts proceeds via the formate pathway.

关键词： Metal hydride Ni catalysts Carbonate Metal-carbonate interface

Protective Effect of Trimetazidine on Myocardial Injury and Recurrent Angina after Percutaneous Coronary Intervention

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Protective Effect of Trimetazidine on Myocardial Injury and ...

秦山300 MW核反应堆控制棒热态落棒实验数值拟合

中华医学会第十五次全国心血管病学大会

作者： Xiaohan Xu Yujie Zhou Wei-Jun Zhang Zhi-Ming Zhou Han-Ying Ma Bin Hu yun-peng kang fang-Fang Luo Department of Cardiology Beijing Anzhen Hospital affiliated to Capital Medical University

Objective To explore the effect of trimetazidine (TMZ) on the myocardial injury related to percutaneous coronary intervention (PCI) and left heart function after PCI. Methods 132 patients with unstable angina pectoris admitted for elective PCI were randomly assigned to 2 groups to receive or not an acute load dose of 60 mg of TMZ prior to the intervention and routine dose of 20 mg Tid after it. The frequency and the increase in the level of cTnI after successful PCI were measured before

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重庆大学学报（自然科学版） 2000年第6期23卷 107-109,120页

作者：赵良举彭云康曾丹苓重庆大学热能工程学院重庆400044 反应堆工程研究所成都610041

详细分析了控制棒下落运动的受力情况 ,并建立了相应的数学模型 ,结合秦山核电站30 0MW控制棒热态落棒实验数据 ,对数学模型进行了修正 ,同时对模型中的有关系数进行了拟合。用拟合的系数进行热态落棒数值模拟 ,结果与实验结果吻合很好 ... 详细信息

详细分析了控制棒下落运动的受力情况 ,并建立了相应的数学模型 ,结合秦山核电站30 0MW控制棒热态落棒实验数据 ,对数学模型进行了修正 ,同时对模型中的有关系数进行了拟合。用拟合的系数进行热态落棒数值模拟 ,结果与实验结果吻合很好 ,验证了数学模型的正确性。为控制棒下落的机理分析和数值求解控制棒落棒提供了理论依据和求解方法。

关键词：控制棒落棒数值拟合

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气举试验井两相流动特性分析

重庆大学学报（自然科学版） 2006年第3期29卷 51-54页

作者：卓文彬彭云康李颖川郑海峰中国核动力研究设计院四川成都610041 西南石油大学四川成都612141

用RELAP5/MOD3.2程序计算分析试验井的气举启动与卸载过程,探讨不同气举方式下油井内气液两相流流型分布规律,为下一步试验研究提供理论依据.由计算结果可见,在适当的气举参数组合下,可以实现稳定的气水产量;对所研究的气举参数,两相流... 详细信息

用RELAP5/MOD3.2程序计算分析试验井的气举启动与卸载过程,探讨不同气举方式下油井内气液两相流流型分布规律,为下一步试验研究提供理论依据.由计算结果可见,在适当的气举参数组合下,可以实现稳定的气水产量;对所研究的气举参数,两相流流型随气举启动与卸载过程的变化规律是从泡状流过渡到环雾状流;如果气水产量达到稳定,沿油井高度的两相流流型均为环雾状流.

关键词：气举两相流 RELAP5/MOD3.2程序

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Maintaining moderate levels of hypochlorous acid promotes neural stem cell proliferation and differentiation in the recovery phase of stroke

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Neural Regeneration Research 2025年第3期20卷 845-857页

作者： Lin-Yan Huang Yi-De Zhang Jie Chen Hai-Di Fan Wan Wang Bin Wang Ju-yun Ma peng-peng Li Hai-Wei Pu Xin-Yian Guo Jian-Gang Shen Su-Hua Qi School of Medical Technology Xuzhou Key Laboratory of Laboratory DiagnosticsXuzhou Medical UniversityXuzhouJiangsu ProvinceChina School of Pharmacy Xuzhou Medical UniversityXuzhouJiangsu ProvinceChina Department of Laboratory Medicine Branch Hospital of Huai’an First People’s HospitalHuai’anJiangsu ProvinceChina Department of Laboratory Medicine the Affiliated Hospital of Xuzhou Medical UniversityXuzhouJiangsu ProvinceChina School of Chinese Medicine The University of Hong KongHong Kong Special Administrative RegionChina

It has been shown clinically that continuous removal of ischemia/reperfusion-induced reactive oxygen species is not conducive to the recovery of late ***,previous studies have shown that excessive increases in hypochlorous acid after stroke can cause severe damage to brain *** previous studies have found that a small amount of hypochlorous acid still exists in the later stage of stroke,but its specific role and mechanism are currently *** simulate stroke in vivo,a middle cerebral artery occlusion rat model was established,with an oxygen-glucose deprivation/reoxygenation model established in vitro to mimic *** found that in the early stage(within 24 hours)of ischemic stroke,neutrophils produced a large amount of hypochlorous acid,while in the recovery phase(10 days after stroke),microglia were activated and produced a small amount of hypochlorous ***,in acute stroke in rats,hypochlorous acid production was prevented using a hypochlorous acid scavenger,taurine,or myeloperoxidase inhibitor,4-aminobenzoic acid *** results showed that high levels of hypochlorous acid(200μM)induced neuronal apoptosis after oxygen/glucose deprivation/***,in the recovery phase of the middle cerebral artery occlusion model,a moderate level of hypochlorous acid promoted the proliferation and differentiation of neural stem cells into neurons and *** suggests that hypochlorous acid plays different roles at different phases of cerebral ischemia/reperfusion *** levels of hypochlorous acid(5 and 100μM)promoted nuclear translocation ofβ-*** transfection of single-site mutation plasmids,we found that hypochlorous acid induced chlorination of theβ-catenin tyrosine 30 residue,which promoted nuclear ***,our study indicates that maintaining low levels of hypochlorous acid plays a key role in the recovery of neurological function.

关键词： cell differentiation cerebral ischemia/reperfusion injury chlorination hypochlorous acid microglia neural stem cell neurogenesis nuclear translocation stroke β-catenin

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Literature study on traditional Chinese medicine syndromes after renal transplantation

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World Journal of Transplantation 2025年第1期15卷 150-155页

作者： yun-peng Guo Ling-Xue Bao Yu-Yang Wang Quan Wen Gai Hang Bo Chen Tongliao Clinical Medical College Inner Mongolia Medical UniversityTongliao 028000Inner Mongolia Autonomous RegionChina Department of Urology Tongliao People's HospitalTongliao 028000Inner Mongolia Autonomous RegionChina

BACKGROUND Kidney transplantation is the most effective means to treat patients with renal failure,but its postoperative problems such as rejection reactions,immunosuppressant poisoning,chronic transplant kidney nephropathy,*** have not been effectively *** study searched for literature on traditional Chinese medicine(TCM)syndromes after kidney transplantation in China,conducted statistical analysis of the results,and sought to identify the underlying *** To understand the TCM syndromes after renal transplantation and associated rules and provide a theoretical basis for further clinical *** The literature pertaining to TCM syndromes in renal transplantation,published in the China National Knowledge Infrastructure,Wanfang database,and WIP database from 1970 to 2021,was meticulously searched and comprehensively and statistically *** Following the established inclusion and exclusion criteria,13 studies were selected for ***-renal transplantation,no significant discrepancy was noted among the groups based on the location of TCM ***,when categorized according to TCM pathogenic factors,the groups with spleen and kidney yang deficiency,as well as liver and kidney yin deficiency,exhibited a statistically significant difference in the *** Currently,the research on TCM syndromes pertaining to renal transplantation is in its nascent *** is imperative to conduct a multicentric,large-scale survey of TCM syndromes subsequent to renal transplantation in the ensuing years.

关键词： Kidney transplantation Syndrome Literature analysis Traditional Chinese medicine Systematic review

Quantitative evaluation of the contribution of underground space to urban resilience:A case study in China

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Underground Space 2024年第4期17卷 1-24页

作者： Si-Cong Liu Fang-Le peng Yong-kang Qiao yun-Hao Dong Research Center for Underground Space&Department of Geotechnical Engineering Tongji UniversityShanghai 200092China

Urban underground space(UUS)development has been acknowledged as a positive contribution to urban resilience(UR).Such contribution has been qualitatively addressed in recent years,but only quantitatively discussed in few *** evaluation methods for UR are widely used in China and around the world,but the role of underground space is barely *** paper provides a way to bridge this gap on the city scale.A UR evaluation framework was carefully constructed that covers the basic aspects and elements of *** contributions of UUS to UR were identified and integrated into the UR evaluation framework,and the measurement methods for each indicator related to UUS were determined.A case study of 19 sample cities in China were conducted using the integrated evaluation *** analysis and clustering analysis were further adopted to interpret the evaluation results,mainly with three indicators reflecting the level of UUS development,namely UUS area(m^(2)),UUS density(104 m^(2)/km^(2))and UUS area per capita(m^(2)/person).The results showed a strong correlation between UUS area and *** average proportion of UR provided by UUS in the 19 sample cities was 16.46%,while the maximum figure reached 29.20%.The sample cities were clustered into four categories based on the relationship between the proportion of UR provided by UUS,UUS area,and GDP per capita,where both high and low UUS area tend to provide less proportion of resilience than the medium UUS *** suggestions for UUS utilization were proposed to assist cities in achieving urban resilience.

关键词： Urban underground space(UUS) Urban resilience Resilience evaluation Resilient development

Planning an adaptive reuse development of underutilized urban underground infrastructures:A case study of Qingdao,China

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Underground Space 2024年第1期14卷 18-33页

作者： Yong-kang Qiao Fang-Le peng yun-Hao Dong Chun-Fang Lu Research Center for Underground Space&Department of Geotechnical Engineering Tongji UniversityShanghai 200092China

Urban underground infrastructures(UUIs)are a vital component of built capital for urban ***,many cities are now home to a multitude of disused or underutilized UUIs,not least aged purpose-built underground facilities,causing a waste of valuable underground space resource *** the process of urban renewal,adaptive reuse can be an attractive solution to breathe new life into underutilized UUIs,while addressing some of the modern problems of the built environment by an economically feasible ***,there is a prevalent absence in the current literature of the overarching planning and decision-making approaches for an adaptive reuse development of underutilized *** the intention of addressing this shortfall,this paper first lays out development strategies,then sets the generic patterns for adaptive reuse of disused or underutilized *** the city of Qingdao,China as a case study,detailed planning and decision-making approaches with the aid of multi-source data and spatial analysis tools are *** is anticipated that the findings of this research will assist the adaptive reuse development of UUIs in providing theoretical guidance and empirical evidence,thereby enhancing the role of urban underground space use in contributing to urban revitalization and urban sustainability.

关键词： Urban underground infrastructures Underutilized Adaptive reuse Planning Urban renewal

The effect of Y,Ce and Gd on texture,recrystallization and mechanical property of Mg-Zn alloys

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Journal of Magnesium and Alloys 2016年第3期4卷 188-196页

作者： peng Liu Haitao Jiang Zhengxu Cai Qiang kang yun Zhang Institute of Engineering Technology University of Science and Technology BeijingBeijing 100083China

The effect of Gd,Ce and Y elements on texture,recrystallization and mechanical properties of Mg–1.5Zn alloys was *** results show that the addition of Gd,Ce and Y elements in Mg–1.5Zn alloy,which rolled at 450℃ and subsequently annealed at 350℃ for 1h,can effectively weaken and modify the basal texture,characterized by the splitting basal pole toward to transverse direction,leading to the yield and tensile strength,the highest along the rolling direction and the lowest along the transverse ***,the unique basal texture contributes to the significant improvement of elongation at room *** back scattering diffraction(EBSD)analysis indicated that the non-basal texture in Mg–1.5Zn–0.2RE alloys can be attributed to obstructive effect of static recrystallization and the non-basal orientation grains nucleation near pre-existing grain boundaries during ***,the Mg–1.5Zn–0.2Gd sheet exhibits much excellent plasticity with the elongation of 27%than Mg–1.5Zn–0.2Ce and Mg–1.5Zn–0.2Y alloys,resulting from the less and smaller second phase of MgZnGd.

关键词： Magnesium alloys Texture Recrystallization Rare earth element Microstructure