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Chinese Chemical Letters 2016年第11期27卷 1691-1695页

作者： dong-yan hu Meng-Shun Li Wen-Wu Zhong Jian-Xin Ji Jin Zhu Wei Wei Qiang Zhang Ming Cheng Chengdu Institute of Organic Chemistry Chinese Academy of Sciences Chengdu 610041 China Chengdu Institute of Biology Chinese Academy of Sciences Chengdu 610041 China University of the Chinese Academy of Sciences Beijing 100049 China School of Chemistry and Chemical Engineering Qufu Normal University Qufu 273165 China

A simple and highly efficient one-pot method for the construction of α-hydroxyketone phosphates from terminal alkynes and H-phosphine oxides has been developed in the presence of PhI（OAc）2 and H20. The present protocol provides an attractive approach to α-hydroxyketone phosphates in good to high yields, with the advantages of operation simplicity, the use of commercially available materials, broad substrate scope, high atom efficiency and good tolerance to scale-up synthesis.

关键词： α-Hydroxyketone phosphates Alkynes H-Phosphine oxides Water Phenyliodine diacetate

An Artificial Intelligence‑Assisted Flexible and Wearable Mechanoluminescent Strain Sensor System

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Nano-Micro Letters 2025年第3期17卷 217-231页

作者： yan dong Wenzheng An Zihu Wang dongzhi Zhang College of Control Science and Engineering China University of Petroleum(East China)Qingdao 266580People’s Republic of China

The complex wiring,bulky data collection devices,and difficulty in fast and on-site data interpretation significantly limit the practical application of flexible strain sensors as wearable *** tackle these challenges,this work develops an artificial intelligenceassisted,wireless,flexible,and wearable mechanoluminescent strain sensor system(AIFWMLS)by integration of deep learning neural network-based color data processing system(CDPS)with a sandwich-structured flexible mechanoluminescent sensor(SFLC)*** SFLC film shows remarkable and robust mechanoluminescent performance with a simple structure for easy *** CDPS system can rapidly and accurately extract and interpret the color of the SFLC film to strain values with auto-correction of errors caused by the varying color temperature,which significantly improves the accuracy of the predicted strain.A smart glove mechanoluminescent sensor system demonstrates the great potential of the AIFWMLS system in human gesture ***,the versatile SFLC film can also serve as a encryption *** integration of deep learning neural network-based artificial intelligence and SFLC film provides a promising strategy to break the“color to strain value”bottleneck that hinders the practical application of flexible colorimetric strain sensors,which could promote the development of wearable and flexible strain sensors from laboratory research to consumer markets.

关键词： Mechanoluminescent Strain sensor Flexible Deep learning Wireless

积极心理学视域下农村留守中职学生心理健康研究

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职业技术教育 2016年第22期37卷 50-55页

作者：董奇胡燕上海市教育科学研究院职业教育和成人教育研究所课程和信息技术研究室河南安阳县职业中等专业学校

为了解农村留守中职学生的心理健康和生活学习状况,以积极心理学视角,用"长处与困难问卷"及相关问题对全国各地1007名中职学生进行问卷调查,对其中的留守和非留守中职学生进行比较,研究发现,留守和非留守中职学生相比,在"情绪症""行为问... 详细信息

为了解农村留守中职学生的心理健康和生活学习状况,以积极心理学视角,用"长处与困难问卷"及相关问题对全国各地1007名中职学生进行问卷调查,对其中的留守和非留守中职学生进行比较,研究发现,留守和非留守中职学生相比,在"情绪症""行为问题""同伴问题""多动症""困难总分"等心理指标上并无显著差异,留守中职学生并非是受"消极情绪一直困扰"的"问题孩子"。然而,留守经历确实对中职学生有造成很大伤害,特别是父母双双外出打工且家庭仍然贫困的留守学生,在多项心理健康指标上和其他学生均有显著差异。

关键词：农村留守中职学生心理健康积极心理学教育对策

The cost of hospitalization as a share of personal income decreased in Chinese diabetic patients covered by social health insurance

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The cost of hospitalization as a share of personal income de...

Addition of liraglutide in patients with type 2 diabetes failing on oral hypoglycaemic agents improves metabolic control

中华医学会糖尿病学分会第十六次全国学术会议

作者： dong yan-hu ZHANG Lei LI Juan-juan WANG Na Qingdao Endocrine & Diabetes Hospital

Objective A step towards universal coverage of health care and medical expenses is undergoing in China. We studied whether the cost of hospitalization as a share of personal income decreased in diabetic patients cover...

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Addition of liraglutide in patients with type 2 diabetes fai...

Experimental Study for Effect of Multi-Site Spark Ignition on Dedicated Hybrid Engine Performance under High Dilution Condition

中华医学会糖尿病学分会第十六次全国学术会议

作者： TAN Wen ZHANG Lei WANG Xiao-qiang dong yan-hu Qingdao Endocrine & Diabetes Hospital Weifang Medical University

Objective Liraglutide is a long-acting human glucagon-like peptide-1(GLP-1) *** on its clinical benefit is limited in Chinese *** current study was undertaken to evaluate the effect of liraglutide in combination with ...

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Journal of Thermal Science 2025年第1期34卷 254-267页

作者： yan Bowen WATERS Benjamin HAINES Andrew MCGHEE Mike hu Tiegang DENG Wei PU Yongxian MA Tianyu Powertrain Engineering R&D Center Chongqing Changan Automobile Co.Ltd. Changan UK R&D Centre Limited

In this study,a triple spark ignition scheme was first designed on a three-cylinder 1.5-L dedicated hybrid engine（DHE）.On this basis,the effect of different ignition modes on engine combustion and emission characteristics was studied,especially under high dilution *** results tested at 2000 r/min and 0.8 MPa BMEP（brake mean effective pressure） show that with highly increased in-cylinder flow intensity,using only passive prechamber（PPC） has a lower lean limit than that with single central spark plug（CSP）,thereby leading to slightly higher minimum fuel consumption and nitrogen oxides（NOx） *** side spark plugs（SSP）based on PPC can result in improved capability of lean limit extension and engine performance than ***,the improvement level is lower than that with triple spark plugs（TSP）.As the excess air ratio λincreases,the advantage of PPC and PPC with SSP in improving the combustion phasing compared with CSP gradually ***,the increasing tendency of their ignition delay and combustion duration is more *** added SSP based on PPC can effectively shorten the ignition delay of leaner mixture,but the combustion duration can be only slightly *** a result,under extremely lean condition,the advantage of PPC and PPC with SSP in terms of combustion characteristics over CSP becomes much *** contrast,the TSP ignition can achieve much shorter ignition delay and combustion duration simultaneously under this *** to the highest available dilution level,the TSP ignition achieves the lowest raw ***,it can also reduce the raw carbon monoxide（CO） and hydrocarbons（HC） emissions compared to CSP due to a more thorough combustion of the end gas *** on the excellent performance of TSP,the highest engine brake thermal efficiency（BTE） was further *** results show that with normal RON 92 fuel,the engine finally achieved 43.69% and 45.02% BTE under stochiometric mode with exhaust

关键词： dedicated hybrid engine high dilution condition NOx emissions passive prechamber thermal efficiency triple spark plug scheme

A Novel Model for Describing Rail Weld Irregularities and Predicting Wheel-Rail Forces Using a Machine Learning Approach

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Computer Modeling in Engineering & Sciences 2025年第1期142卷 555-577页

作者： Linlin Sun Zihui Wang Shukun Cui Ziquan yan Weiping hu Qingchun Meng State Key Laboratory of High-Speed Railway Track System China Academy of Railway Sciences Corporation LimitedBeijing100081China Railway Engineering Research Institute China Academy of Railway Sciences Corporation LimitedBeijing100081China School of Aeronautic Science and Engineering Beihang UniversityBeijing100191China

Rail weld irregularities are one of the primary excitation sources for vehicle-track interaction dynamics in modern high-speed *** can cause significant wheel-rail dynamic interactions,leading to wheel-rail noise,component damage,and *** researchers have employed the vehicle-track interaction dynamic model to study the dynamic interactions between wheel and rail induced by rail weld geometry ***,the cosine wave model used to simulate rail weld irregularities mainly focuses on the maximum value and neglects the geometric *** this study,novel theoretical models were developed for three categories of rail weld irregularities,based on measurements of the high-speed railway from Beijing to *** vertical dynamic forces in the time and frequency domains were compared under different running *** forces generated by the rail weld irregularities that were measured and modeled,respectively,were compared to validate the accuracy of the proposed ***,based on the numerical study,the impact force due to rail weld irrregularity is modeled using an Artificial Neural Network(ANN),and the optimum combination of parameters for this model is *** results showed that the proposed model provided a more accurate wheel/rail dynamic evaluation caused by rail weld irregularities than that established in the *** ANN model used in this paper can effectively predict the impact force due to rail weld irrregularity while reducing the computation time.

关键词： Rail weld irregularity high-speed railway vehicle-track coupled dynamics wheel/rail dynamic vertical force artificial neural networks

Repetitive transcranial magnetic stimulation in Alzheimer’s disease:effects on neural and synaptic rehabilitation

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Neural Regeneration Research 2025年第2期20卷 326-342页

作者： Yi Ji Chaoyi yang Xuerui Pang Yibing yan Yue Wu Zhi Geng Wenjie hu Panpan hu Xingqi Wu Kai Wang Department of Neurology The First Affiliated Hospital of Anhui Medical UniversityHefeiAnhui ProvinceChina Anhui Province Key Laboratory of Cognition and Neuropsychiatric Disorders HefeiAnhui ProvinceChina Collaborative Innovation Center of Neuropsychiatric Disorders and Mental Health HefeiAnhui ProvinceChina Institute of Artificial Intelligence Hefei Comprehensive National Science CenterHefeiAnhui ProvinceChina Department of Psychology and Sleep Medicine The Second Affiliated Hospital of Anhui Medical UniversityHefeiAnhui ProvinceChina

Alzheimer’s disease is a neurodegenerative disease resulting from deficits in synaptic transmission and *** Alzheimer’s disease brain tends to be hyperexcitable and hypersynchronized,thereby causing neurodegeneration and ultimately disrupting the operational abilities in daily life,leaving patients *** transcranial magnetic stimulation is a cost-effective,neuro-modulatory technique used for multiple neurological *** the past two decades,it has been widely used to predict cognitive decline;identify pathophysiological markers;promote neuroplasticity;and assess brain excitability,plasticity,and *** has also been applied to patients with dementia,because it can yield facilitatory effects on cognition and promote brain recovery after a neurological ***,its therapeutic effectiveness at the molecular and synaptic levels has not been elucidated because of a limited number of *** study aimed to characterize the neurobiological changes following repetitive transcranial magnetic stimulation treatment,evaluate its effects on synaptic plasticity,and identify the associated *** review essentially focuses on changes in the pathology,amyloidogenesis,and clearance pathways,given that amyloid deposition is a major hypothesis in the pathogenesis of Alzheimer’s *** mechanisms associated with repetitive transcranial magnetic stimulation procedures and different pathways mediating gene transcription,which are closely related to the neural regeneration process,are also ***,we discuss the outcomes of animal studies in which neuroplasticity is modulated and assessed at the structural and functional levels by using repetitive transcranial magnetic stimulation,with the aim to highlight future directions for better clinical translations.

关键词： Alzheimer’s disease amyloid deposition apoptotic mechanisms biomarker neural regeneration neurodegeneration repetitive transcranial magnetic stimulation synaptic plasticity

Anthropometric indices of obesity in relation to cardiometabolic disorders in Chinese adults

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Modular assembly of Co4-thiacalix[4]arene units and Keggin-type SiW12O40 for visible-light photothermal conversion

中华医学会糖尿病学分会第十六次全国学术会议

作者： ZHANG Lei dong yan-hu LI Juan-Juan MA Feng-hai JING Yuan Jaakko Tuomilehto Qingdao Endocrine & Diabetes Hospital

Objective Anthropometric indicators such as body mass index(BMI),waist circumference(WC),waist to hip ratio(WHR),and waist to stature ratio(WSR) are used to relate cardiometabolic *** study was aimed to identify the optimal anthropometric index in relation to diabetes,hypertension and dyslipidemia. Methods We enrolled 15 268 Chinese adults aged 18-74 years(M/F:7018/8250) who participated

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Tungsten 2025年第1期7卷 112-119页

作者： Jia-hui Li Qing Zhao dong-Ao Mao Kun Zhou Bao-Kuan Chen yan-Feng Bi School of Petrochemical Engineering Liaoning Petrochemical University

The construction of metal-organic coordination clusters（MCCs） using modular secondary building units is an important method for preparing functional *** this study,two new MCCs modularly assembled from Keggin-type {SiW12O40}H4TC4A=p-tert-Butylthiacalix[4]arene(SiW12) units and thiacalixarene-supported Co4-thiacalix[4]arene(Co4-TC4A polynuclear second-building units（PSBUs,H4TC4A=p-tert-Butylthiacalix[4]arene） are *** two MCCs,abbreviated as Co4-SiW12and Co8-SiW12,were structurally characterized by single-crystal X-ray *** Co4-SiW12is a supramolecular structure involving cation-anion interactions between Co4-TC4A PSBUs and ***8-SiW12features "barbell-like" shapes with two Co4-TC4A coordinatively linked to a Keggin-type SiW12unit on opposite via W-O_t-Co *** coordination of Co4-TC4A to SiW12in Co8-SiW12resulted in significantly improved photothermal conversion performances compared with Co4-SiW12and pure SiW12or ***-gap determination and photophysical analysis combined with density functional theory calculations indicated the binding mode between Co4-TC4A PSBUs and SiW12,which considerably influences the way of electron transport and the conversion ability of visible light to heat.

关键词： Modular construction Photothermal conversion Polyoxometalate Thiacalixarene