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3D‑Printed Carbon‑Based Conformal Electromagnetic Interference Shielding Module for Integrated Electronics

Nano-Micro Letters 2024年第5期16卷 87-101页

作者： Shaohong Shi Yuheng Jiang Hao Ren Siwen Deng Jianping Sun Fangchao Cheng jingjing jing Yinghong Chen State Key Laboratory of Featured Metal Materials and Life‑Cycle Safety for Composite Structures School of ResourcesEnvironment and MaterialsGuangxi UniversityNo.100Daxuedong RoadNanning 530004People’s Republic of China State Key Laboratory of Polymer Materials Engineering Polymer Research Institute of Sichuan UniversitySichuan UniversityNo.24 South Section 1Yihuan RoadChengdu 610065People’s Republic of China

Electromagnetic interference shielding(EMI SE)modules are the core com-ponent of modern ***,the tra-ditional metal-based SE modules always take up indispensable three-dimensional space inside electronics,posing a major obstacle to the integra-tion of *** innovation of integrating 3D-printed conformal shielding(c-SE)modules with packaging materials onto core electronics offers infinite possibilities to satisfy ideal SE func-tion without occupying additional ***,the 3D printable carbon-based inks with various proportions of graphene and carbon nanotube nanoparticles are well-formulated by manipulating their rheological ***,the free-constructed architectures with arbitrarily-customized structure and multifunctionality are created via 3D *** particular,the SE performance of 3D-printed frame is up to 61.4 dB,simultaneously accompanied with an ultralight architecture of 0.076 g cm^(-3) and a superhigh specific shielding of 802.4 dB cm3 g^(-1).Moreover,as a proof-of-concept,the 3D-printed c-SE module is in situ integrated into core electronics,successfully replacing the traditional metal-based module to afford multiple functions for electromagnetic compatibility and thermal ***,this scientific innovation completely makes up the blank for assembling carbon-based c-SE modules and sheds a brilliant light on developing the next generation of high-performance shielding materials with arbitrarily-customized structure for integrated electronics.

关键词： 3D printing Carbon-based nanoparticles Conformal electromagnetic interference shielding Integrated electronics

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基于光伏发电的智能公园座椅设计

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今日自动化 2024年第5期 29-31页

作者：马鑫磊竟静静王京叶鑫新疆工程学院新疆乌鲁木齐830023

文章阐述了一种以光伏发电为基础的智能公园座椅设计,其目的在于打造更为便捷且可持续的公园休闲体验。座椅主要依赖光伏太阳能板作为电力供应,通过光伏效应将太阳能转换为电能,实现座椅电量的自给自足。这款智能公园座椅具备多项实用功... 详细信息

文章阐述了一种以光伏发电为基础的智能公园座椅设计,其目的在于打造更为便捷且可持续的公园休闲体验。座椅主要依赖光伏太阳能板作为电力供应,通过光伏效应将太阳能转换为电能,实现座椅电量的自给自足。这款智能公园座椅具备多项实用功能,包括有线及无线充电设施。用户可利用座椅配备的无线充电器为手机等电子设备充电,省去充电线的繁琐,提供更便捷的充电方式。此外,座椅还配备语音识别助手,用户可通过语音指令与座椅互动。语音识别助手能提供公园相关信息,如景点介绍、活动安排等,为游客提供更优质的导览服务。为确保用户的使用体验,座椅还具备照明功能,提供充足的照明,提升使用的便利性和安全性。通过运用光伏发电技术,这款智能公园座椅实现了可持续能源的利用,降低了对传统电力的依赖。座椅的多功能设计为公园游客提供了更为便利和舒适的休闲体验。这种设计理念将为公园提供一种智能化、环保且可持续发展的解决方案。

关键词：光伏发电公园座椅智能单片机

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岩矿鉴定和电子探针在矿物药金礞石鉴定及质量评价中的应用

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矿产与地质 2024年第1期38卷 114-118页

作者：修迪田颖徐翠何丽井晶晶河北省区域地质调查院〔河北省地学旅游研究中心〕河北廊坊065000

采用薄片鉴定和电子探针测试对来自个6个不同地区的金礞石进行鉴别和质量评价。首先通过薄片鉴定初步确定金礞石样品的主要成分及伴生矿物,进一步利用电子探针技术对金礞石的主要成分、伴生矿物进行半定量分析,再利用电子探针波谱定量... 详细信息

采用薄片鉴定和电子探针测试对来自个6个不同地区的金礞石进行鉴别和质量评价。首先通过薄片鉴定初步确定金礞石样品的主要成分及伴生矿物,进一步利用电子探针技术对金礞石的主要成分、伴生矿物进行半定量分析,再利用电子探针波谱定量分析研究金礞石中Hg、Pb、S、Ge等元素的赋存状态,在这些技术综合鉴定的基础上,对各地的金礞石进行质量评价。研究表明,岩矿鉴定及电子探针技术的结合用于鉴定金礞石矿物药是一种极为有效、可行的办法,具有原位、无损的优点。

关键词：岩矿鉴定电子探针金礞石质量评价

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Effects of Environmental Factors on Corrosion Behavior of E690 Steel in Simulated Marine Environment

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Acta Metallurgica Sinica(English Letters) 2024年第4期37卷 678-694页

作者： jingjing Peng jing Liu Shen Zhang Zhihui Wang Xian Zhang Kaiming Wu Collaborative Innovation Center for Advanced Steels Hubei Province Key Laboratory of Systems Science in Metallurgical ProcessThe State Key Laboratory of Refractories and MetallurgyWuhan University of Science and TechnologyWuhan430081China

The effects of hydrostatic pressure, dissolved oxygen, temperature and flow velocity, and their interaction on the corrosion rates of E690 high-strength steel (HSS) in simulated marine environments were studied using response surface methodology. The results show that the flow velocity exerts the most significant influence on the corrosion rate of E690 HSS. Consequently, the corrosion behavior of E690 HSS under varying flow velocities were analyzed profoundly from initial pitting corrosion to long-term corrosion properties. The results indicate that the flow state facilitates the mass transfer and enhances the adsorption tendency of Cl− by enhancing the electrochemical activity of the steel surface. These factors accelerate the electrochemical reactions, resulting in increased pitting density, depth and the long-term corrosion rates in dynamic seawater environments.

关键词： E690 steel Simulated marine environment Corrosion behavior Flow velocity Response surface methodology(RSM)

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TET1 Participates in Complete Freund’s Adjuvant-induced Trigeminal Inflammatory Pain by Regulating Kv7.2 in a Mouse Model

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Neuroscience Bulletin 2024年第6期40卷 707-718页

作者： Dengcheng Zhan jingjing Zhang Songxue Su Xiuhua Ren Sen Zhao Weidong Zang jing Cao Department of Human Anatomy School of Basic Medical SciencesZhengzhou UniversityZhengzhou450001China Neuroscience Research Institute Zhengzhou UniversityZhengzhou450001China

Trigeminal inflammatory pain is one of the most severe pain-related disorders in humans;however,the underlying mechanisms remain largely *** this study,we investigated the possible contribution of interaction between ten-eleven translocation methylcytosine dioxygenase 1(TET1)and the voltage-gated K^(+)channel Kv7.2(encoded by Kcnq2)to orofacial inflammatory pain in *** found that complete Freund’s adjuvant(CFA)injection reduced the expression of Kcnq2/Kv7.2 in the trigeminal ganglion(TG)and induced orofacial inflammatory *** involvement of Kv7.2 in CFA-induced orofacial pain was further confirmed by Kv7.2 knockdown or ***,TET1 knockdown in Tet1^(flox/flox)mice significantly reduced the expression of Kv7.2 and M currents in the TG and led to pain-like ***,TET1 overexpression by lentivirus rescued the CFA-induced decreases of Kcnq2 and M currents and alleviated mechanical *** data suggest that TET1 is implicated in CFA-induced trigeminal inflammatory pain by positively regulating Kv7.2 in TG neurons.

关键词： Facial pain KCNQ2 potassium channel TET1 protein

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Insights into the dwarfing mechanism of pear(Pyrus betulaefolia) based on anatomical and structural analysis using X-ray scanning

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Horticultural Plant Journal 2024年第2期10卷 355-366页

作者： Lili Dong Chuxuan Yang jing Wang jingjing Li Mei Zhao Dingli Li Zhiyun Qiu Chunhui Ma Zhenhua Cui College of Horticulture Qingdao Agricultural UniversityQingdaoShandong 266109China College of Landscape and Forestry Qingdao Agricultural UniversityQingdaoShandong 266109China

The lack of a suitable rootstock to control scion growth has limited the development of high-density plantations in pear production, which is partly attributed to poor understanding of the dwarfing mechanism. In the present study, the rootstock of the dwarf-type pear (Pyrus betulaefolia)PY-9’ was identified and used as the material for anatomical ***-9’ grew to half the tree height of the normal cultivar Zhengdu’, along with fewer internodes and shorter length. Significant differences in growth rate betweenPY-9’ andZhengdu’ were detected at approximately 30 days after full bloom, which corresponded with the time of the greatest difference in water potential between the dwarf and normal ***-9’ showed a higher photosynthetic rate thanZhengdu’. Anatomical analysis showed thatPY-9’ had higher area ratios of both phloem and xylem and more developed vascular tissues thanZhengdu’. The three-dimensional reconstructed skeleton of the xylem from X-ray computed tomography scanning revealed greater intervessel connectivity inZhengdu’ than inPY-9’, which could contribute to the more vigorous growth ofZhengdu’. This study thus provides the first comparison of the microstructural properties of xylem elements between a dwarfing-type and vigorous-type pear rootstock, providing new insights into the dwarfing mechanism in pear and facilitating breeding of dwarf pear rootstocks to increase crop productivity.

关键词： Pyrus betulaefolia Anatomical analysis Dwarfing mechanism Intervessel connectivity Rootstock

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Tissue-resident macrophages exacerbate lung injury after remote sterile damage

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Cellular & Molecular Immunology 2024年第4期21卷 332-348页

作者： Hanhui Zhong jingjing Ji Jinling Zhuang Ziying Xiong Pengyun Xie Xiaolei Liu Jundi Zheng Wangli Tian Xiaoyang Hong jing Tang The Department of Anesthesiology Affiliated Hospital of Guangdong Medical UniversityZhanjiangGuangdongChina The Department of Critical Care Medicine General Hospital of Southern Theater Command of PLAGuangzhouChina The Department of Respiratory Medicine Guangdong Provincial Hospital of Integrated Chinese and Western MedicineFoshanChina Pediatric Intensive Care Unit Senior Department of Pediatricsthe Seventh Medical Center of PLA General HospitalBeijingChina

Remote organ injury,which is a common secondary complication of sterile tissue damage,is a major cause of poor prognosis and is difficult to ***,we report the critical role of tissue-resident macrophages in lung injury after trauma or stroke through the inflammatory *** found that depleting tissue-resident macrophages rather than disrupting the recruitment of monocyte-derived macrophages attenuated lung injury after trauma or *** findings revealed that the release of circulating alarmins from sites of distant sterile tissue damage triggered an inflammatory response in lung-resident macrophages by binding to receptor for advanced glycation end products(RAGE)on the membrane,which activated epidermal growth factor receptor(EGFR).Mechanistically,ligand-activated RAGE triggered EGFR activation through an interaction,leading to Rab5-mediated RAGE internalization and EGFR phosphorylation,which subsequently recruited and activated P38;this,in turn,promoted RAGE translation and trafficking to the plasma membrane to increase the cellular response to RAGE ligands,consequently exacerbating *** study also showed that the loss of RAGE or EGFR expression by adoptive transfer of macrophages,blocking the function of RAGE with a neutralizing antibody,or pharmacological inhibition of EGFR activation in macrophages could protect against trauma-or stroke-induced remote lung ***,our study revealed that targeting the RAGE-EGFR signaling pathway in tissue-resident macrophages is a potential therapeutic approach for treating secondary complications of sterile damage.

关键词： tissue-resident macrophage RAGE remote sterile damage

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Effects of caveolin-1 on bone marrow mesenchymal stem cells differentiating into neuron-like cells An atomic force microscopy observation

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Neural Regeneration Research 2011年第16期6卷 1227-1231页

作者： jingjing Lu Lijun jing Yonglin Jia Jinyi Li Liudong Wang Tao Peng Yanjie Jia Department of Neurology First Affifiated Hospital of Zhengzhou University Zhengzhou 450052 Henan Province China

Bone marrow mesenchymal stem cells （MSCs） from rats were transfected with Rn-siRNA-caveolin-1 and differentiated into neuron-like cells using fasudil hydrochloride. Membrane ultrastructural changes in MSCs were observed under atomic force microscopy. Caveolin-l-transfected rat MSCs exhibited weak nuclear refraction, dense caveolae and long finger-like cellular processes prior to fasudil hydrochloride treatment. MSCs differentiating into neuron-like cells exhibited weak nuclear refraction and large cellular processes without caveolae. We hypothesize that caveolin-1 plays an important role in the regulation of bone marrow MSC differentiating into neuron-like cells.

关键词： atomic force microscopy bone marrow mesenchymal stem cells caveolin-1 neurons differentiation neural regeneration

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Establishment of enzyme-linked immunosorbent assay for beef and lamb contents in cooked meat

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未来食品学报(英文) 2024年第1期4卷 91-96页

作者： Yujing Li jingjing Liu Sufang Fan Li Zhao jing Zhang Erjing Zhang Ziran Li Yan Zhang Chunsheng Li Hebei Jiaotong Vocational and Technical College Shijiazhuang 050035China Biology Institute of Hebei Academy of Sciences Shijiazhuang 050081China Hebei Food Safety Key Labratory Key Laboratory of Special Food Supenvision Technolog for State Market RegpulationHebei Engineering Research Center for Special Food Sagfery and HealthHebei Food Inspection cand Research InstinuteShijiazhuang 050227China College ofLife Sciences Hebei Normal UniversinyShijiazhuang 050024China Julu County Applied Technology Research Instinute Jultu 055250China

In this study,an enzyme 1linked immunosorbent assay(ELISA)was established to detect beef and 1amb components,and its performance was ***-antibody sandwich ELISA was adopted and determined a coating concentration of capture antibody 3G5 of 1:4000,a working concentration of enzyme-labeled antibody 2E7-horseradish peroxidase(HRP)of 1:1000,a sample incubation time of 60 min and a detection antibody reaction time of 60 *** specificity,sensitivity,repeatability and stability of this assay were *** limit of detection for beef and 1amb skeleta1 muscle troponin I was 45 mg/kg,the inter-assay and intra-assay recovery rates ranged from 80.4%to 115.7%,the coefficients of variation were below 13.6%,and the cIoss reaction rates of the tissue components of chicken,duck and fish were below 13.4%.The sandwich ELISA method established in this study is stable and has high *** test results were consistent with the polymerase chain reaction(PCR)method at 50 and 100 g/kg-Therefore,this ELISA method can be used to quantitatively detect beef and 1amb components in meat products.

关键词： Double antibody sandwich enzyme-1inked immunosorbent assay(ELISA) Beef components Lamb components

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Autophagy Alleviates Cold Exposure-induced Tight Junction Injury in Murine Ileum*

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Biomedical and Environmental Sciences 2024年第7期37卷 800-804页

作者： jingru Guo jing Xu Leichong Chen Huijie Hu Junshu Nie Jianbin Yuan Li Ma jingjing Lu Hong Ji Bin Xu Key Laboratory of Bovine Disease Control in Northeast China Ministry of Agriculture and Rural affairs Heilongjiang Provincial Key Laboratory of Prevention and Control of Bovine Diseases College of Animal Science and Veterinary Medicine Heilongjiang Bayi Agricultural University Daqing 163319 Heilongjiang China

Cold exposure is a pervasive stressor in the polar and subpolar regions,exerting both acute and chronic effects on *** environmental factor is known to induce physiological stress,compromise immune response efficacy,and increase susceptibility to various *** cold exposure,characterized by repetitive nonconsecutive exposure to suboptimal temperatures over an extended duration.

关键词： acute exposure susceptibility

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