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Single-atom Zn confined in hierarchical hollow microstructure as an acid/base-resistant microwave absorption materials

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Nano Research 2024年第8期17卷 6785-6794页

作者： Yue Lou Jiao Li Xiaokun Li Zhenyu Zhu zhan Shi Biao Xu School of Chemistry and Chemical Engineering Nanjing University of Science and TechnologyNanjing 210094China State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of ChemistryJilin UniversityChangchun 130012China

Developing acid/base-resistant and low-price microwave-absorbing materials with lighter weight is highly desired for practical applications in extreme ***,we demonstrate the successful synthesis of the N-doped porous carbon(NC)material with hierarchical pore structure by the spray pyrolysis *** large specific surface area(SBET=707.53 m^(2)·g^(−1))of materials enables multiple scattering of incident electromagnetic waves,and N doping greatly enhances the electrical conductivity of the ***,single-atom Zn can adjust the local electronic structure of adjacent sites such as carbon and nitrogen atoms,induce the center of polarization,and thus change the dielectric and electronic properties of the host *** porous carbon coating of single-atom Zn avoids the deterioration of electromagnetic parameters caused by the accumulation of magnetic particles under high-temperature *** the same time,they can also be used in various complex environments,such as acidic and basic ***,NC-1000,with high surface area,low density,and good chemical stability,obtained a minimum reflection loss(RLmin)of−50.5 dB and an effective absorption bandwidth(EAB)exceeding 5.1 GHz at the thickness of 1.9 *** soaking in the strong acid and base solution,the electromagnetic wave absorption performance of the material decreased by<15%.Widely available raw materials and a simple preparation scheme are expected to expedite industrial mass production for this novel type of materials.

关键词： hierarchical hollow microstructure microwave absorption metal-organic framework(MOF) impedance matching singleatom Zn acid/base-resistant

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Singlet oxygen-dominated peroxymonosulfate activation by layered crednerite for organic pollutants degradation in high salinity wastewater

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Journal of Environmental Sciences 2024年第1期135卷 86-96页

作者： Chengji Sui Zixuan Nie Huan Liu Grzegorz Boczkaj Weizhen Liu Lingshuai Kong Jinhua zhan Key Laboratory for Colloid&Interface Chemistry of Education Ministry Department of ChemistryShandong UniversityJinan 250100China School of Environment and Energy Guangdong Provincial Key Laboratory of Solid Wastes Pollution Control and RecyclingSouth China University of TechnologyGuangzhou 510006China Gdansk University of Technology Faculty of Civil and Environmental EngineeringDepartment of Sanitary EngineeringG.Narutowicza St.11/1280-233 GdanskPoland EkoTech Center Gdansk University of TechnologyG.Narutowicza St.11/1280-233 GdanskPoland

Advanced oxidation processes have been widely studied for organic pollutants treatment in water,but the degradation performance of radical-dominated pathway was severely inhibited by the side reactions between the anions and radicals,especially in high salinity ***,a singlet oxygen(^(1)O_(2))-dominated non-radical process was developed for organic pollutants degradation in high salinity wastewater,with layered crednerite(CuMnO_(2))as catalysts and peroxymonosulfate(PMS)as *** on the experiments and density functional theory calculations,^(1)O_(2)was the dominating reactive species and the constructed Cu-O-Mn with electron-deficient Mn captured electron from PMS promoting the generation of^(1)O_(2).The rapid degradation of bisphenol A(BPA)was achieved by CuMnO_(2)/PMS system,which was 5-fold and 21-fold higher than that in Mn_(2)O_(3)/PMS system and Cu_(2)O/PMS *** CuMnO_(2)/PMS system shown prominent BPA removal performance under high salinity conditions,prominent PMS utilization efficiency,outstanding total organic carbon removal rate,wide range of applicable pH and good *** work unveiled that the^(1)O_(2)-dominated non-radical process of CuMnO_(2)/PMS system overcame the inhibitory effect of anions in high salinity conditions,which provided a promising technique to remove organic pollutants from high saline wastewater.

关键词： Singlet oxygen Non-radical process High salinity Mixed metal oxides Wastewater treatment

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Selective extinction and habitat nestedness are the main drivers of lizard nestedness in the Zhoushan Archipelago

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Current Zoology 2024年第2期70卷 244-252页

作者： Minchu zhang Chaonan Tang Qing zhang Chengxiu zhan Chuanwu Chen Yanping Wang Laboratory of Island Biogeography and Conservation Biology College of Life SciencesNanjing Normal UniversityNanjing 210023China

Nested subset pattern(nestedness)is an important part of the theoretical framework of island biogeography and community ***,most previous studies often used nestedness metrics or randomization algorithms that are vulnerable to type I *** this study,we inves-tigated the nestedness of lizard assemblages on 37 islands in the Zhoushan Archipelago,*** used the line-transect method to survey species occurrence,abundance,and habitat types of lizards on 37 islands during 2 breeding seasons in 2021 and *** applied the nested metric WNODF and the conservative rc null model to control for type I error and quantify the significance of *** rank cor relations were used to evaluate the role of 4 habitat variables(island area,2 isolation indices,and habitat diversity)and 4 ecological traits(body size,geographic range size,clutch size,and minimum area requirement)in generating *** results of WNODF analyses showed that lizard assemblages were significantly *** habitat-by-site matrix estimated by the program NODF was also significantly nested,support-ing the habitat nestedness *** nestedness of lizard assemblages were significantly correlated with island area,habitat *** size,and minimum area ***,our results suggest that selective extinction and habitat nestedness were the main drivers of lizard nestedness in our *** contrast,the nestedness of lizard assemblages was not due to passive sampling or selective *** maximize the number of species preserved,our results indicate that we should protect both large islands with diverse habitats and species with largearea requirement and clutch size.

关键词： clutch size habitat nestedness lizards minimum area requirement nestedness selective extinction WNODF Zhoushan Archipelago.

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25MeV/u^(40)Ar+^(115)In反应碎片和轻带电粒子的方位角关联

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高能物理与核物理 2001年第1期25卷 16-22页

作者：王金川詹文龙郭忠言郗鸿飞周建群赵有雄中国科学院近代物理研究所兰州730000

在２５ＭｅＶ／ｕ４０Ａｒ＋１１５Ｉｎ反应的在平面和出平面大角度关联测量中，提取了碎片和α粒子之间的方位角关联函数和方位角非对称性因子．φ＝９０时，方位角关联函数呈现为最小值，表明在集体类转动效应影响下，反应产生的轻带... 详细信息

在２５ＭｅＶ／ｕ４０Ａｒ＋１１５Ｉｎ反应的在平面和出平面大角度关联测量中，提取了碎片和α粒子之间的方位角关联函数和方位角非对称性因子．φ＝９０时，方位角关联函数呈现为最小值，表明在集体类转动效应影响下，反应产生的轻带电粒子和碎片优先在反应平面内发射．随着关联对质量的增加，在平面关联粒子的发射相对于束流轴不对称性逐渐增大．随着关联对质量的增加，相继衰变和粒子末态相互作用对φ＝０的关联粒子对方位角关联函数值的影响逐渐降低并直至消失，同时集体转动效应增强，方位角非对称性增加．

关键词：碎片轻带电粒子方位角关联核子-核子相互作用

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Predicting stability of integrated circuit test equipment using upper side boundary values of normal distribution

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The Journal of China Universities of Posts and Telecommunications 2024年第2期31卷 85-93页

作者： zhan wenfa Hu Xinyi Zheng Jiangyun Yu Chuxian Cai Xueyuan zhang Lihua School of Electronic Engineering and Intelligent Manufacturing Anqing Normal UniversityAnqing 246133China School of Computer and Information Technology Anqing Normal UniversityAnqing 246133China

In response to the growing complexity and performance of integrated circuit(IC),there is an urgent need to enhance the testing and stability of IC test equipment.A method was proposed to predict equipment stability using the upper side boundary value of normal ***,the K-means clustering algorithm classifies and analyzes sample *** accuracy of this boundary value is compared under two common confidence levels to select the optimal threshold.A range is then defined to categorize unqualified test *** experimental verification,the method achieves the purpose of measuring the stability of qualitative IC equipment through a deterministic threshold value and judging the stability of the equipment by comparing the number of unqualified data with the threshold value,which realizes the goal of long-term operation monitoring and stability analysis of IC test equipment.

关键词： K-means clustering algorithm the upper side boundary of normal distribution threshold integrated circuit(IC)test equipment stability analysis

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Amplifying protection against acute lung injury:Targeting both inflammasome and cGAS-STING pathway by Lonicerae Japonicae Flos-Forsythiae Fructus drug pair

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Chinese Herbal Medicines 2024年第3期16卷 422-434页

作者： Junjie Li Ming Dong Qing Yao Xu Dong Yuanyuan Chen Jincai wen Yingjie Xu Zhixin Wu Xiaomei Zhao Ye Xiu Xiaoyan zhan Zhaofang Bai Xiaohe Xiao Chengde Medical University Chengde 067000China Department of Hepatology The Fifth Medical Center of PLA General HospitalBeijing 100039China China Military Institute of Chinese Materia Fifth Medical Center of Chinese PLA General HospitalBeijing 100039China National Key Laboratory of Kidney Diseases The Fifth Medical Center of PLA General HospitalBeijing 100039China School of Stomatology Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application&Experimental Center for Stomatology EngineeringJiamusi UniversityJiamusi 154007China Southern Medical University Guangzhou 510515China

Objective:Acute lung injury(ALI)is characterized by inflammation and currently lacks an efficacious pharmacological *** medicine combination of Lonicerae Japonicae Flos(LJF)and Forsythiae Fructus(FF)demonstrates combined properties in its anti-infective,anti-inflammatory,and therapeutic effects,particularly in alleviating respiratory *** previous studies,Chinese medicine has shown promising efficacy in lipopolysaccharides(LPS)-induced ***,there have been no reports of LJF and FF pairing for lung *** aim of this study is to compare the efficacy of herb pair Lonicerae Japonicae Flos-Forsythiae Fructus(LF)with LJF or FF alone in the treatment of ALI,and to explore whether LJF and FF have a combined effect in the treatment of lung injury,along with the underlying mechanism ***:A total of 36 mice were divided into six groups(control,model,LJF,FF,LF,dexamethasone)based on the treatments they received after undergoing sham-operation/LPS tracheal instillation.H&E staining and pulmonary edema indexes were used to evaluate lung injury *** exudate cells(AECs)were counted based on cell count in bronchoalveolar lavage fluid(BALF),and neutrophil percentage in BALF was measured using flow ***(MPO)activity in BALF was measured using enzyme-linked immunosorbent assay(ELISA),while the production of IL-1β,TNF-α,and IL-6 in the lung and secretion level of them in BALF were detected by quantitative polymerase chain reaction(qPCR)and *** effect of LJF,FF,and LF on the expression of Caspase-1 and IL-1βproteins in bone marrow derived macrophages(BMDMs)supernatant was assessed using Western blot method under various inflammasome activation *** addition,the concentration of IL-1βand changes in lactatedehydrogenase(LDH)release levels in BMDMs supernatant after LJF,FF,and LF administration,respectively,were measured using ***,the effects of LJF,FF and LF on STING and IRF3 phosphor

关键词： acute lung injury BMDMS inflammasomes Lonicerae Japonicae Flos-Forsythia Fructus drug pair STING

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25MeV/u^(40)Ar+^(115)In反应碎片和轻带电粒子能量关联

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高能物理与核物理 2001年第2期25卷 115-120页

作者：王金川詹文龙郭忠言郗鸿飞周建群赵有雄中国科学院近代物理研究所兰州730000

通过对２５ＭｅＶ／ｕ４０Ａｒ＋１１５Ｉｎ反应 θｌａｂ＝１５°的邻近几何条件下的轻带电粒子和出射碎片之间的关联测量，观察到了两体相继衰变机制的存在．其中，轻带电粒子和碎片的关联角度谱在小角度成峰，最可几角度约２°左... 详细信息

通过对２５ＭｅＶ／ｕ４０Ａｒ＋１１５Ｉｎ反应 θｌａｂ＝１５°的邻近几何条件下的轻带电粒子和出射碎片之间的关联测量，观察到了两体相继衰变机制的存在．其中，轻带电粒子和碎片的关联角度谱在小角度成峰，最可几角度约２°左右；轻带电粒子能谱峰位，随关联对的质量增加而逐渐增高；质量较轻的原始产物容易受到激发，通过发射轻带电粒子而衰变成轻中等质量碎片．在两体相继衰变中，原始激发产物发射重质量的轻带电粒子的产额或几率要大于质量轻的轻带电粒子，具体测量发现，与轻带电粒子１１，２１Ｈ，３１Ｈ和ａ粒子关联的碎片（Ｚｆ＝４—１４）总的产额比为１：１．３：１．７８：７．５７．

关键词：碎片轻带电粒子关联测量能量关联重离子核反应

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The modulatory effect of oolong tea polyphenols on intestinal flora and hypothalamus gene expression in a circadian rhythm disturbance mouse model

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Food Science and Human Wellness 2024年第2期13卷 748-764页

作者： Ruonan Yan Chi-Tang Ho Yanan Liu Shengnan zhan Zufang Wu Xin zhang Department of Food Science and Engineering Ningbo UniversityNingbo 315211China Department of Food Science Rutgers UniversityNew BrunswickNew Jersey 08901USA

The interaction between host circadian rhythm and gut microbes through the gut-brain axis provides new clues for tea polyphenols to improve host *** present research showed that oolong tea polyphenols(OTP)improved the structural disorder of the intestinal flora caused by continuous darkness,thereby modulating the production of metabolites related to pyruvate metabolism,glycolysis/gluconeogenesis,and tryptophan metabolism to alleviate the steady-state *** fecal microbiota transplantation from the OTP group,the single-cell transcriptomic analysis revealed that OTP significantly increased the number of hypothalamus cell clusters,up-regulated the number of astrocytes and fibroblasts,and enhanced the expression of circadian rhythm genes Cry2,Per3,Bhlhe41,Nr1d1,Nr1d2,Dbp and Rorb in hypothalamic *** results confirmed that OTP can actively improve the intestinal environmental state as well as internal/peripheral circadian rhythm disorders and cognitive impairment,with potential prebiotic functional characteristics to notably contribute to host health.

关键词： Gut microbiota Circadian rhythm Oolong tea polyphenols Single-cell sequencing Metabolism

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Enhancing the Goos-Hänchen shift based on quasi-bound states in the continuum through material asymmetric dielectric compound gratings

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Chinese Physics B 2024年第3期33卷 393-400页

作者：江孝伟方彬占春连 College of Optical and Electronic Technology China Jiliang UniversityHangzhou 310018China College of Information Engineering Quzhou College of TechnologyQuzhou 324000China

Quasi-bound state in the continuum(QBIC)resonance is gradually attracting attention and being applied in Goos-Hänchen(GH)shift enhancement due to its high quality(Q)factor and superior optical ***,symmetry-protected QBIC resonance is often achieved by breaking the geometric symmetry,but few cases are achieved by breaking the material *** paper proposes a dielectric compound grating to achieve a high Q factor and high-reflection symmetry-protectede QBIC resonance based on material *** calculations show that the symmetry-protected QBIC resonance achieved by material asymmetry can significantly increase the GH shift up to-980 times the resonance wavelength,and the maximum GH shift is located at the reflection peak with unity *** paper provides a theoretical basis for designing and fabricating high-performance GH shift tunable metasurfaces/dielectric gratings in the future.

关键词： bound state in the continuum Goos-Hänchen shift dielectric compound grating material asymmetry

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The 2023 Turkey earthquake doublet: Earthquake relocation, seismic tomography, and stress field inversion

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Earth and Planetary Physics 2024年第3期8卷 535-548页

作者： HuiLi zhan Ling Bai Bagus Adi Wibowo ChaoYa Liu Kazuo Oike Yuzo Ishikawa State Key Laboratory of Tibetan Plateau Earth System Environment and Resources(TPESER)Institute of Tibetan Plateau ResearchChinese Academy of SciencesBeijing 100101China University of Chinese Academy of Sciences Beijing 100049China Center of Earthquake and Tsunami Agency of MeteorologyClimatology and GeophysicsJakarta 10610Indonesia University of Shizuoka Shizuoka 422-8526Japan Shizuoka University Shizuoka 422-8529Japan

On February 6,2023,two earthquakes with magnitudes of M_(W) 7.8 and M_(W) 7.5 struck southeastern Turkey,causing significant casualties and economic *** seismic events occurred along the East Anatolian Fault Zone,a convergent boundary between the Arabian Plate and the Anatolian *** this study,we analyze the M_(W) 7.8 and M_(W) 7.5 earthquakes by comparing their aftershock relocations,tomographic images,and stress field *** earthquakes were localized in the upper crust and exhibited steep dip ***,the aftershocks occurred either close to the boundaries of low and high P-wave velocity anomaly zones or within the low P-wave velocity anomaly *** East Anatolia Fault,associated with the M_(W) 7.8 earthquake,and the SürgüFault,related to the M_(W) 7.5 earthquake,predominantly experienced shear ***,their western sections experienced a combination of strike-slip and tensile stresses in addition to shear *** ruptures of the M_(W) 7.8 and M_(W) 7.5 earthquakes appear to have bridged a seismic gap that had seen sparse seismicity over the past 200 years prior to the 2023 Turkey earthquake sequence.

关键词： Turkey earthquake doublet earthquake relocation seismic tomography stress field seismicity

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