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Microstructure and corrosion behavior of Zr–1.0Cr–0.4Fe–xMo alloys

中华医学会呼吸病学年会——2013（第十四次全国呼吸病...

作者： Tianyi Zhu Xinji Zhang Junnan Xu Jun Tian Ruohua Chen Chong Bai Department of immunology Zhejiang University Department of Respiratory Changhai HospitalSecond Military Medical University Department of Health Statistics Second Military Medical University Department of Pathophysiology Second Military Medical University

Background and Objective In mediastinal masses’ diagnosis,the dispute that whether EBUS is necessary for TBNA is always hot.Some studies show that EBUS-TBNA performed better than conventional ones. Some clinicians think conventional TBNA is enough for diagnosis.In our meta-analysis,we try to discuss which one plays better in diagnostic yield. Methods We searched PubMed,EMBASE database and the proceedings of major conferences for studies

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Rare Metals 2015年第2期34卷 118-124页

作者： Tian-Guo Wei Lu Zhang Zhi Miao Hong Liu bai-Feng Luan Wen Wang chong-Sheng Long Reactor Fuel and Materials Key Laboratory Nuclear Power Institute of China Nuclear and Radiation Safety Ministry of Environmental Protection Institute of Material Science and Technology Chongqing University

Possibility of using Mo as an alloying element in Zr-based alloys was attractive in terms of microstructure refinement and mechanical properties strengthening. In this research, Zr–1.0Cr–0.4Fe–xMo（0, 0.2, 0.4, and 0.6） alloys with different Mo contents were prepared by vacuum arcmelting method, the microstructure and the corrosion resistance of these alloys were investigated. Addition of Mo has a refinement effect on the microstructure; with the increase of Mo content, the a-laths in the as-cast samples and the grain size in the annealed samples decrease. Zr–1.0Cr–0.4Fe–xMo alloys have large numbers of fine second-phase particles（SPPs） in the matrix, the area fraction of the SPPs is more than 10 %. With the increase of Mo content, the population density of the SPPs increases significantly, while the average diameter of the SPPs decreases. Mo addition also affects the texture; the intensity of basal pole texture aligning normal direction decreases with the increase of Mo content in the alloys.Compared with Zr-4 and Zr–1Nb, Zr–1.0Cr–0.4Fe–xMo alloys have excellent corrosion resistance in 500 ℃/10.3 MPa steam. The corrosion rates of Mo-containing alloys are higher than that of Mo-free alloy, which is mainly attributed to the solute Mo atoms in the Zr matrix.Change of the SPPs features due to the increase of Mo content alleviates the degradation of corrosion resistance in some degree, but it is not the dominant factor.

关键词： Zr-based alloys Mo addition Microstructures Second-phase particles Corrosion behavior

Arabidopsis CAP1 mediates ammonium-regulated root hair growth by influencing vesicle trafficking and the cytoskeletal arrangement in root hair cells

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Journal of Genetics and Genomics 2022年第10期49卷 986-989页

作者： Juanjuan Yu Xiaonan Ma Lianlian Wang Nannan Dong Kai Wang Qingye You Yifei Xu chong Wang Zhiping Dong Zhaobin Shi Shaojun Dai Ling bai Chun-Peng Song State Key Laboratory of Crop Stress Adaptation and Improvement School of Life SciencesHenan UniversityKaifengHenan 475001China Henan International Joint Laboratory of Agricultural Microbial Ecology and Technology College of Life SciencesHenan Normal UniversityXinxiangHenan 453007China Development Center of Plant Germplasm Resources College of Life SciencesShanghai Normal UniversityShanghai 200234China

Plant root hairs are essential for mineral and water absorption,which possess sophisticated sensory mechanisms to allow them to respond to different environmental signals.Ammonium(NH^(+))is a major form of nitrogen in... 详细信息

关键词： arrangement hair Arabidopsis

日本初中历史教科书编写新动向——基于八种教科书内容比较分析

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比较教育研究 2020年第12期42卷 86-92页

作者：白松强秦冲湖北民族大学南方少数民族研究中心湖北恩施445000 中南民族大学湖北武汉430074 中共中国铁路郑州局集团有限公司党校河南郑州450000

日本因第二次世界大战所实施的军国主义对世界和平造成严重伤害,战后被迫放弃了向青少年灌输"爱国心"等教育内容的资格和权力,这是基于"爱国主义"的最大危险就是易走向军国主义。但自2006年安倍内阁执政以来,日本政府相继修订了《教育... 详细信息

日本因第二次世界大战所实施的军国主义对世界和平造成严重伤害,战后被迫放弃了向青少年灌输"爱国心"等教育内容的资格和权力,这是基于"爱国主义"的最大危险就是易走向军国主义。但自2006年安倍内阁执政以来,日本政府相继修订了《教育基本法》等内容,在基础教育课程中嵌入了"爱国心""道德心"等教育理念和原则。日本文部科学省检定合格的八种初中历史教科书,其主题的编写均围绕育人改革要求来体现国家意志,遵照新教育基本法的指示精神来实现国家使命,凸显出内容编写的新动向与新趋势,同时在教材内容和呈现方式上各家出版社主动作为,以文化人,扩容自主素材库,进而为学生提供了多元化的学习内容。

关键词：日本教育基本法历史教科书爱国心

条形基础下竖向布置纤维增强聚合物板材地基试验研究

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科学技术与工程 2015年第5期35卷 137-140,150页

作者：白崇喜东北农业大学水利与建筑学院哈尔滨150030

与传统加筋材料相比,FRP材料具有高强度和良好耐久性优势,因此它更适于用作加筋材料。完成了纯砂和5种竖向加筋方式的加筋地基模型试验,对比了不同加筋方式对地基承载力和地基沉降的影响,分析了每种加筋方式下FRP的应变及土压力的变化规... 详细信息

与传统加筋材料相比,FRP材料具有高强度和良好耐久性优势,因此它更适于用作加筋材料。完成了纯砂和5种竖向加筋方式的加筋地基模型试验,对比了不同加筋方式对地基承载力和地基沉降的影响,分析了每种加筋方式下FRP的应变及土压力的变化规律,据此探讨了FRP筋材的加筋机理。试验结果表明,不设横筋的加筋地基的加筋效果很小,加设横筋的竖向加筋地基的加筋效果明显,横筋、竖板高度、竖板间距对加筋效果的影响明显,地基的破坏模式均为土体剪切破坏,加筋存在深基础和扩散层两种机理。

关键词：竖向FRP加筋条形基础承载力土压力

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明代复古派对谢灵运诗歌经典价值的发掘

岭南师范学院学报 2016年第1期37卷 51-57页

作者：白崇广东技术师范学院文学院广东广州510665

谢灵运的诗歌创作对唐诗的影响巨大,具有经典价值。但经历了唐诗的高峰之后,谢诗的这一价值被逐渐忽视。以恢复古典审美理想为目标的明代复古派文人在审视古典诗歌整体价值的前提下,对谢灵运诗歌的经典价值有了深刻的认识。他们积极整... 详细信息

谢灵运的诗歌创作对唐诗的影响巨大,具有经典价值。但经历了唐诗的高峰之后,谢诗的这一价值被逐渐忽视。以恢复古典审美理想为目标的明代复古派文人在审视古典诗歌整体价值的前提下,对谢灵运诗歌的经典价值有了深刻的认识。他们积极整理了包括谢灵运在内的诸多六朝作家的诗文集,较高地评价了谢灵运的诗歌价值,并在诗歌创作中积极模仿,实际给予了谢灵运诗歌近似于唐诗的艺术地位,认可了谢灵运诗歌所具有的经典价值。

关键词：明复古派李梦阳谢灵运诗歌

Two new benzopyran derivatives from Gouania leptostachya DC. var. tonkinensis Pitard.

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Chinese Chemical Letters 2011年第2期22卷 175-177页

作者： chong Yao Shu Jie Zhang Zheng Zhong bai Tong Zhou Li Jiang Xua Huzhou Central Hospital Huzhou 313000 China Heilongjiang University of Chinese Medicine Harbin 150040 China Heilongjiang Institute for Drug Control Harbin 150001 China State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Shanghai 201203 China Received 27 May 2010

Two new benzopyran derivatives,1-[（rel 2S,3R）-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]ethanone（1）,and 1-[（rel 25,35）-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-2-yl]ethanone（2）,along with four known flavonoids,prodelphinidin C,prodelphinidin B3,（-）-epi-gallocatechin and（＋）-gallocatechin,were isolated from the stems of Gouania leptostachya DC.var. tonkinensis Pitard.Their structures were determined on the basis of spectroscopic methods including HR-ESI-MS,1D and 2D NMR.Prodelphinidin C exhibited significant inhibitory activity forα-glucosidase.

关键词： Gouania leptostachya DC.var.tonkinensis Pitard. Benzopyran derivatives α-Glucosidase inhibitory activity

A Novel Method to Improve the Physical Property and Biocompatibility of Decellularized Heart Valve Scaffold with Sericin and Polydopamine

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Journal of Bionic Engineering 2022年第4期19卷 1109-1123页

作者： Peng bai Gangcheng Kong Weihua Qiao Yu Song Yixuan Wang Jiawei Shi Nan Zhang Chungeng Liu chong Chu Tixiusi Xiong Ying Zhou Cuifen Lu Lin Wang Nianguo Dong Department of Cardiovascular Surgery Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430032China Department of Hepatobiliary and Pancreatic Surgery The First Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhou 310003China Research Center for Tissue Engineering and Regenerative Medicine Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China Department of Endocrinology Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430032China Collaborative Innovation Center for Advanced Organic Chemical Materials Co-constructed by the Province and Ministry Hubei UniversityWuhan 430062China Department of Clinical Laboratory Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022China

Cardiac valve replacement is an effective method to treat valvular heart disease.Artificial valves used routinely in clinic still have defects.In our study,we explored a novel method to modify the performance of Decellularized Heart Valve(DHV)scaffold.The decellularized porcine aortic valve was prepared using sequential hydrophile and lipophile solubilization method.The sericin was extracted from silk fibroin-deficient silkworm cocoon by lithium bromide method.First,DHV was immersed in sericin solution to produce the sericin–DHV composite scaffold.Then,we modified the DHV by making a Polydopamine(PDA)coating on the DHV first and then binding the sericin.The physical properties and biological compatibility of our composite scaffold were assessed in vitro and in vivo.Sericin were successfully prepared,combined to DHV and improved its biocompatibility.PDA coating further promoted the combination of sericin on DHV and improved the physical properties of scaffolds.The decay rate of our modified valve scaffold was decreased in vivo and it showed good compatibility with blood.In conclusion,our modification improved the physical properties and biocompatibility of the valve scaffold.The combination of PDA and sericin promoted the recellularization of decellularized valves,showing great potential to be a novel artificial valve.

关键词： Decellularized heart valve Sericin Polydopamine Biocompatibility

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文质升降一转关——论刘宋散文

晋阳学刊 2008年第1期 112-115页

作者：白崇广东技术师范学院中文系广州510665

刘宋散文是魏晋散文到南朝散文的过渡,它既继承了魏晋散文重视抒情、古朴清竣的特征,又体现了散文骈对艺术、声律艺术的进步,在艺术特征上具有了古朴尚质与华丽整饬并存的特征。因此,刘宋散文既保留了魏晋散文的传统,又引导了南朝散文... 详细信息

刘宋散文是魏晋散文到南朝散文的过渡,它既继承了魏晋散文重视抒情、古朴清竣的特征,又体现了散文骈对艺术、声律艺术的进步,在艺术特征上具有了古朴尚质与华丽整饬并存的特征。因此,刘宋散文既保留了魏晋散文的传统,又引导了南朝散文的发展,在中国古代散文发展史上具有承前启后的作用。

关键词：刘宋散文抒情散体骈体