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Science China Chemistry 2024年

作者： Fan Guo zong-zheng he Peng Wang Xiao-Yu Zhang Hongjian Yu Qin-Chao Wang Wei-Yin Sun School of Chemistry and Chemical Engineering Yangzhou University Coordination Chemistry Institute State Key Laboratory of Coordination Chemistry School of Chemistry and Chemical Engineering Nanjing National Laboratory of Microstructures Collaborative Innovation Center of Advanced Microstructures Nanjing University

Engineering nonmetallic atom-doped metal-organic framework （MOF） catalyst to promote C-C coupling and realize conversion of CO2into C2 multi-carbon hydrocarbon products is still ***,with 2-methylimidazole as a dopant of N element,an N-doped NH2-CuBDC catalyst was obtained via a facile and simple stirring *** illumination,compared with catalytic CO2reduction to C1 product of CO by original MOF,N-doped NH2-CuBDC can motivate generation of C2H4,which is difficult to achieve in photocatalytic system by MOF-based *** transfer rates of photo-generated charges have been expedited due to the high electron density around Cu catalytic sites after *** importantly,C–C coupling intermediate CO–CHO*was identified by in situ Fourier transform infrared spectroscopy during the catalytic CO2reduction reaction process,which further indicates the presence of Cu–N sites in the NH2-CuBDC can facilitate the formation of *** work uncovers a new paradigm to design photocatalysts for enhancing the reduction of CO2to C2 products.

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温控阀控制的直流太阳能热水系统

太阳能学报 1988年第1期9卷 7-11页

作者：方承超马一太郑宗和赵军天津大学

本文报道了连续流动直流式太阳能热水系统的最新进展,结合三种新型温控阀的研制介绍了温控阀的结构和所控系统的室内外试验。试验表明,系统运行稳定,热效率较高。由于温控阀采用汽车水箱节温器改型设计,使成本大大降低,可望在民用热水... 详细信息

本文报道了连续流动直流式太阳能热水系统的最新进展,结合三种新型温控阀的研制介绍了温控阀的结构和所控系统的室内外试验。试验表明,系统运行稳定,热效率较高。由于温控阀采用汽车水箱节温器改型设计,使成本大大降低,可望在民用热水系统中推广应用。

关键词：太阳能热水系统直流式感温石蜡节温器汽车水箱石油蜡温控阀出口水温

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鼻咽癌邻近结构侵犯的CT诊断

中国现代手术学杂志 2012年第2期16卷 154-156页

作者：刘淑娟郑宗贺北京市房山区妇幼保健院放射科北京102488 北京市房山区第一医院北京102400

目的探讨鼻咽癌原发部位及邻近结构侵犯的CT特点。方法收集经病理证实的鼻咽癌患者42例,通过临床和CT检查,分析鼻咽癌原发部位及邻近结构受侵的规律。结果本组42例,原发灶位于鼻咽侧壁29例(69.0%),顶后壁13例(31.0%),咽旁间隙受侵34例(8... 详细信息

目的探讨鼻咽癌原发部位及邻近结构侵犯的CT特点。方法收集经病理证实的鼻咽癌患者42例,通过临床和CT检查,分析鼻咽癌原发部位及邻近结构受侵的规律。结果本组42例,原发灶位于鼻咽侧壁29例(69.0%),顶后壁13例(31.0%),咽旁间隙受侵34例(81.0%),颈淋巴结转移31例(73.8%),颅底骨质破坏16例(38.1%)。其中,有咽旁间隙受侵的病例中,颈淋巴结转移达82.4%(28/34),明显高于咽旁间隙未受侵的病例37.5%(3/8)(P=0.02)。有颅底骨受侵者发生头痛和颅神经症状为87.5%(14/16),明显高于颅底骨未受侵的病例19.2%(5/26)(P<0.01)。结论鼻咽侧壁是鼻咽癌好发部位,颈部淋巴结转移与咽旁间隙受侵程度有关,头痛和颅神经症状阳性是颅底骨受侵的重要指征。

关键词：鼻咽肿瘤体层摄影术,X线计算机

Resting-state brain network remodeling after different nerve reconstruction surgeries:a functional magnetic resonance imaging study in brachial plexus injury rats

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Neural Regeneration Research 2025年第5期20卷 1495-1504页

作者： Yunting Xiang Xiangxin Xing Xuyun Hua Yuwen Zhang Xin Xue Jiajia Wu Mouxiong zheng he Wang Jianguang Xu School of Rehabilitation Science Shanghai University of Traditional Chinese MedicineShanghaiChina Engineering Research Center of Traditional Chinese Medicine Intelligent Rehabilitation Ministry of EducationShanghaiChina Department of Rehabilitation Medicine Yueyang Hospital of Integrated Traditional Chinese and Western MedicineShanghai University of Traditional Chinese MedicineShanghaiChina Department of Traumatology and Orthopedics Yueyang Hospital of Integrated Traditional Chinese and Western MedicineShanghai University of Traditional Chinese MedicineShanghaiChina Institute of Science and Technology for Brain-Inspired Intelligence Fudan UniversityShanghaiChina Key Laboratory of Computational Neuroscience and Brain-Inspired Intelligence(Fudan University) Ministry of EducationShanghaiChina Human Phenome Institute Fudan UniversityShanghaiChina

Distinct brain remodeling has been found after different nerve reconstruction strategies,including motor representation of the affected ***,differences among reconstruction strategies at the brain network level have not been *** study aimed to explore intranetwork changes related to altered peripheral neural pathways after different nerve reconstruction surgeries,including nerve repair,endto-end nerve transfer,and end-to-side nerve ***–Dawley rats underwent complete left brachial plexus transection and were divided into four equal groups of eight:no nerve repair,grafted nerve repair,phrenic nerve end-to-end transfer,and end-to-side transfer with a graft sutured to the anterior upper ***-state brain functional magnetic resonance imaging was obtained 7 months after *** independent component analysis algorithm was utilized to identify group-level network components of interest and extract resting-state functional connectivity values of each voxel within the *** in intra-network resting-state functional connectivity were compared among the *** muscle reinnervation was assessed by behavioral observation(elbow flexion)and *** results showed that alterations in the sensorimotor and interoception networks were mostly related to changes in the peripheral neural *** repair was related to enhanced connectivity within the sensorimotor network,while end-to-side nerve transfer might be more beneficial for restoring control over the affected limb by the original motor *** thalamic-cortical pathway was enhanced within the interoception network after nerve repair and end-to-end nerve *** areas related to cognition and emotion were enhanced after end-to-side nerve *** study revealed important brain networks related to different nerve *** networks may be potential targets for enhancing motor recovery.

关键词： brain functional networks end-to-end nerve transfer end-to-side nerve transfer independent component analysis nerve repair peripheral plexus injury resting-state functional connectivity

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太阳能热泵供暖系统在西藏地区的应用

煤气与热力 2006年第12期26卷 52-54页

作者：郑宗和高金水葛昕天津大学天津300072

分析了西藏地区应用太阳能供暖的有利条件。结合工程实例,对太阳能热泵供暖系统与太阳能直接供暖系统(设有辅助电加热器)的供暖情况及经济性进行了对比分析。当室外温度变化时,太阳能热泵供暖系统及太阳能直接供暖系统均可满足供暖要求... 详细信息

分析了西藏地区应用太阳能供暖的有利条件。结合工程实例,对太阳能热泵供暖系统与太阳能直接供暖系统(设有辅助电加热器)的供暖情况及经济性进行了对比分析。当室外温度变化时,太阳能热泵供暖系统及太阳能直接供暖系统均可满足供暖要求。太阳能热泵供暖系统的经济性优于太阳能直接供暖系统。

关键词：太阳能热泵供暖经济性

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双级热泵系统的理论分析与实验研究

流体机械 2005年第2期33卷 47-49页

作者：郑宗和杨玉忠牛宝联高金水葛昕天津大学天津300072

在理论分析的基础上设计和建立了双级热泵实验台 ,进行了双效热泵系统的实验研究 ,并对实验结果进行了分析。实验结果表明 ,双级热泵系统的实际效能良好。

关键词：双级热泵混和工质中间冷却器

Passive activity enhances residual control ability in patients with complete spinal cord injury

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Neural Regeneration Research 2025年第8期20卷 2337-2347页

作者： Yanqing Xiao Mingming Gao Zejia he Jia zheng Hongming Bai Jia-Sheng Rao Guiyun Song Wei Song Xiaoguang Li Beijing Key Laboratory for Biomaterials and Neural Regeneration Beijing Advanced Innovation Center for Biomedical EngineeringSchool of Biological Science and Medical EngineeringBeihang UniversityBeijingChina Department of Rehabilitation Evaluation China Rehabilitation Research CenterBeijingChina Cardiac Center Beijing Children’s HospitalCapital Medical UniversityBeijingChina The State Key Laboratory of Virtual Reality Technology and Systems Beihang UniversityBeijingChina Department of Rehabilitation Engineering China Rehabilitation Science InstituteBeijingChina

Patients with complete spinal cord injury retain the potential for volitional muscle activity in muscles located below the spinal injury ***,because of prolonged inactivity,initial attempts to activate these muscles may not effectively engage any of the remaining neurons in the descending pathway.A previous study unexpectedly found that a brief clinical round of passive activity significantly increased volitional muscle activation,as measured by surface *** this study,we further explored the effect of passive activity on surface electromyographic signals during volitional control tasks among individuals with complete spinal cord *** patients with chronic complete thoracic spinal cord injury were *** electromyography data from eight major leg muscles were acquired and compared before and after the passive activity *** results indicated that the passive activity led to an increased number of activated volitional muscles and an increased frequency of *** the cumulative root mean square of surface electromyography amplitude for volitional control of movement showed a slight increase after passive activity,the difference was not statistically *** findings suggest that brief passive activity may enhance the ability to initiate volitional muscle activity during surface electromyography tasks and underscore the potential of passive activity for improving residual motor control among patients with motor complete spinal cord injury.

关键词： complete spinal cord injury cycle training epidural electrical stimulation motor training passive activity physiological state spinal cord circuit surface electromyography volitional control task

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太阳能热泵供热水系统的实验研究

太阳能学报 1993年第4期14卷 306-310页

作者：赵军马一太郑宗和方承超天津大学热能工程系天津300072

一套太阳能热泵供热水系统实验装置,四季能提供50℃热水,致热系数COP约达3,通过优化设计,进一步降低成本,增加供暖或空调功能,会使其更具竞争力。

关键词：太阳能热泵水加热器供热水

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利用热管的新型水平埋管技术

天津大学学报（自然科学与工程技术版） 2004年第11期37卷 1001-1004页

作者：郑宗和杨玉忠葛昕高金水曾宪安天津大学机械工程学院天津300072 中国电子系统工程第四建设有限公司石家庄050061

地源热泵水平埋管占地面积过大一直是难以解决的问题,根据热管高效的传热特性,提出利用热管技术强化地源热泵水平埋管与深层土壤的换热效能,减少水平埋管的占地面积.根据埋管工作的温度范围,设计选择耐腐蚀的不锈钢式热管,并通过理论计... 详细信息

地源热泵水平埋管占地面积过大一直是难以解决的问题,根据热管高效的传热特性,提出利用热管技术强化地源热泵水平埋管与深层土壤的换热效能,减少水平埋管的占地面积.根据埋管工作的温度范围,设计选择耐腐蚀的不锈钢式热管,并通过理论计算,得到热管长度与占地面积的关系.在理论可行性基础之上进行应用可行性分析,方案在保证换热量的条件下能够节省占地47%.

关键词：地源热泵热管水平埋管

T cell interactions with microglia in immune-inflammatory processes of ischemic stroke

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Neural Regeneration Research 2025年第5期20卷 1277-1292页

作者： Yuxiao zheng Zilin Ren Ying Liu Juntang Yan Congai Chen Yanhui he Yuyu Shi Fafeng Cheng Qingguo Wang Changxiang Li Xueqian Wang School of Traditional Chinese Medicine Beijing University of Chinese MedicineBeijingChina Library Beijing University of Chinese MedicineBeijingChina Dongzhimen Hospital Beijing University of Chinese MedicineBeijingChina

The primary mechanism of secondary injury after cerebral ischemia may be the brain inflammation that emerges after an ischemic stroke,which promotes neuronal death and inhibits nerve tissue *** the first immune cells to be activated after an ischemic stroke,microglia play an important immunomodulatory role in the progression of the *** an ischemic stroke,peripheral blood immune cells(mainly T cells)are recruited to the central nervous system by chemokines secreted by immune cells in the brain,where they interact with central nervous system cells(mainly microglia)to trigger a secondary neuroimmune *** review summarizes the interactions between T cells and microglia in the immune-inflammatory processes of ischemic *** found that,during ischemic stroke,T cells and microglia demonstrate a more pronounced synergistic ***1,Th17,and M1 microglia can co-secrete proinflammatory factors,such as interferon-γ,tumor necrosis factor-α,and interleukin-1β,to promote neuroinflammation and exacerbate brain ***2,Treg,and M2 microglia jointly secrete anti-inflammatory factors,such as interleukin-4,interleukin-10,and transforming growth factor-β,to inhibit the progression of neuroinflammation,as well as growth factors such as brain-derived neurotrophic factor to promote nerve regeneration and repair brain *** interactions between microglia and T cells influence the direction of the subsequent neuroinflammation,which in turn determines the prognosis of ischemic stroke *** trials have been conducted on the ways to modulate the interactions between T cells and microglia toward anti-inflammatory communication using the immunosuppressant fingolimod or overdosing with Treg cells to promote neural tissue repair and reduce the damage caused by ischemic ***,such studies have been relatively infrequent,and clinical experience is still *** summary,in ischemic stroke,T cell subsets and activated micro

关键词： brain immune inflammation interaction ischemic stroke mechanism microglia neuron secondary injury T cells