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Vertical variations in planar lamination of marine shale: Elucidating hydrodynamic changes during the Ordovician-Silurian transition on the Upper Yangtze Block

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Journal of Palaeogeography 2025年第01期14卷 221-244页

作者： Zhen-Sheng Shi Tian-Qi Zhou Hui-Bo Song Yong-Bin niu Sha-Sha Sun Department of Unconventional Oil and Gas Research Institute of Petroleum Exploration and DevelopmentPetroChina College of Resources and Environment Henan Polytechnic University

The hydrodynamics and their evolution on the Upper Yangtze Block during the Ordovician-Silurian transition period remain unclear. The present study is an assessment of how regional and global events may have influenced the hydrodynamic evolution based on a planar lamination investigation of the shales from the Upper Yangtze Block. Analyses of large thin sections and argon-ion polished thin sections using field emission-scanning electron microscopy(FE-SEM) showed that there are four types of planar lamination, namely, silty graded planar lamination(SGPL), silt-clay graded planar lamination(SCGPL), silt-clay interlaminated planar lamination(SCIPL), and paper-like planar lamination(PPL). SGPL is formed by turbidity current with a flow speed less than 15 cm/s. SCGPL is formed by turbidity currents with a flow speed less than 15 cm/s for normal grading type and 15-25 cm/s for alternating grading type. SCIPL has a continuum of sparsely spaced type, closely spaced type, and alternating type, which is formed by bottom current with an increasing flow speed from 15 to 25 cm/s to above 25 cm/s. PPL can be divided into normal grading and composite grading types. The former is formed by vertical settling, while the latter is formed by bottom current with a flow speed of 5-15 cm/s. Vertically, types of planar lamination varied from SGPL to PPL and then SCIPL manifesting the waxing and waning of flow speed with a positive excursion at graptolite biozone Metabolograptus extraordinarius(WF4) and a negative excursion at graptolite biozone Persculptograptus persculptus(LM1). The sudden decrease in flow speed across Linxiang and graptolite biozone Paraorthograptus pacificus(WF3) and the subsequent progressive increase from graptolite biozone Akidograptus ascensus(LM2)to graptolite biozone Demirastrites triangulatus(LM6) and to graptolite biozone Stimulograptus sedgwickii(LM8) during deposition of the Ordovician-Silurian transition succession on the Upper Yangtze Block were linked to th

关键词： Planar lamination Wufeng Formation Longmaxi Formation Ocean circulation Black shale

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Insights into novel indium catalyst to kW scale low cost,high cycle stability of iron-chromium redox flow battery

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Green Energy & Environment 2025年第2期10卷 410-421页

作者： Yingchun niu Yinping Liu Tianhang Zhou Chao Guo Guangfu Wu Wenjie Lv Ali Heydari Bo Peng Chunming Xu Quan Xu State Key Laboratory of Heavy Oil Processing China University of Petroleum(Beijing)Beijing102249China Department of Applied Physics Aalto UniversityFI-00076AaltoFinland

Iron-chromium flow batteries(ICRFBs)have emerged as an ideal large-scale energy storage device with broad application prospects in recent *** of the Cr^(3+)/Cr^(2+)redox reaction activity and inhibition of the hydrogen evolution side reaction(HER)are essential for the development of ICRFBs and require a novel catalyst ***,elucidating the underlying mechanisms for modulating catalyst behaviors remains an unresolved ***,we show a novel precisely controlled preparation of a novel thermal-treated carbon cloth electrode with a uniform deposit of low-cost indium catalyst *** density functional theory analysis reveals the In catalyst has a significant adsorption effect on the reactants and improves the redox reaction activity of Cr^(3+)/Cr^(2+).Moreover,H+is more easily absorbed on the surface of the catalyst with a high migration energy barrier,thereby inhibiting the occurrence of *** assembled ICRFBs have an average energy efficiency of 83.91%at 140 mA cm^(-2),and this method minimizes the electrodeposition process and cleans the last obstacle for industry long cycle operation *** ICRFBs exhibit exceptional long-term stability with an energy efficiency decay rate of 0.011%per cycle at 1000 cycles,the lowest ICRFBs reported so ***,this study provides a promising strategy for developing ICRFBs with low costs and long cycle life.

关键词： Iron-chromium flow batteries In catalyst Hydrogen evolution side reaction Cycle stability Industry usage

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The current status and influencing factors of the coexistence of multiple frailty domains in patients with chronic heart failure

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Chinese Journal of Nursing 2025年第3期60卷 311-318页

作者： Wang, Sipei Wang, Yan niu, Weihua Yang, Huifeng 天津中医药大学护理学院天津市300167 天津市第一中心医院心内科

Objective To investigate the status and influeneing factors of the eoexistenee of multiple frailty domains in patients with chronic heart failure(CHF), and to provide a reference for formulating targeted intervention measures. Methods The patients with CHF hospitalized in the cardiovascular department of a tertiary general hospital in Tianjin from November 2021 to December 2022 were conveniently selected as the study subjects. The self-designed general information questionnaire, FRAIL scale, Montreal Cognitive Assessment (MoCA) scale, HALFT Scale, Social Support Rating Scale and Self-Rating Depression Scale were used to investigate the coexistence of physical, cognitive and social frailty in CHF patients, and single factor analysis and binary logistic regression analysis were used to analyze the influencing factors. Results A total of 275 questionnaires were issued and 269 valid questionnaires were collected. Among 269 patients with CHF, 12(4.5%), 67(24.9%), 122(45.4%) and 68(25.3%) patients had 0, 1, 2 and 3 frailty domains, respectively. According to the patients with CHF whether coexists physical, cognitive, social frailty, divided into coexistence and non-coexistence group. In univariate analysis, there were statistically significant differences in education, residence, family history of cardiovascular disease, NYHA cardiac function grade, atrial fibrillation, BMI, social support score and depression score(P<0.05). Binary logistic regression analysis showed that high education level(OR =0.567, 95%CI 0.397-0.810, P=0.002) was the protective factor for multiple frailty domains in CHF patients, and atrial fibrillation(OR=1.904, 95%CI 1.054-3.442, P=0.033) and depression(OR=1.038, 95%CI 1.006-1.071, P=0.018) were risk factors. Conclusion The prevalence of the coexistence of multiple frailty domains in CHF patients is high. Education level, atrial fibrillation and depression are potential intervention targets for multiple frailty domains in CHF patients. Targeted int

关键词： Chronic Heart Failure Frailty Nursing Care Root Cause Analysis

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Ultrastrong room-temperature phosphorescence in cucurbit[8]uril-mediated crystalline supramolecules for ratiometric detection of phenethylamine

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Science China Chemistry 2025年

作者： Qingyu niu Yingxiang Ye Lingna Su Xu He Zhiqiang Li Yu Liu School of Chemical Engineering and Technology Hebei University of Technology Fujian Provincial Key Laboratory of Polymer Materials College of Chemistry and Materials Science Fujian Normal University Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) Nankai University College of Chemistry State Key Laboratory of Elemento-Organic Chemistry Nankai University

It is a great challenge to modulate purely organic fluorescence-phosphorescence dual emission in aqueous solution because the excited singlet and triplet states are in competition with each other. Herein, we report a crystalline 1:2 host-guest formed by selfassembly of 4-(4-bromophenyl)-pyridinium derivatives and cucurbit[8]uril, in which a rigid environment rich in weak interactions is directly demonstrated. Due to the inhibition of non-radiative transition and stabilization of triplet exciton in the crystalline environment, the crystalline inclusion complex exhibits ultralong room-temperature phosphorescence lifetime of 3.21 ms with an room-temperature phosphorescence(RTP) quantum yield up to 16.29%. Interestingly, the crystalline 1:2 hostguest complex demonstrates the ability of rapid identification and sensitive fluorescence-phosphorescence ratiometric detection behavior toward phenethylamine, a drug analogue, with a limit of detection as low as 27.5 nM. We believe that this study will undoubtedly broaden the utilizing scopes of RTP and offer a novel avenue for psychoactive substances monitoring.

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Nigella sativa L. seed extract alleviates oxidative stress-induced cellular senescence and dysfunction in melanocytes

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Chinese Journal of Natural Medicines 2025年第02期23卷 203-213页

作者： Ben niu Xiaohong An Yongmei Chen Ting He Xiao Zhan Xiuqi Zhu Fengfeng Ping Wei Zhang Jia Zhou School of Traditional Chinese Pharmacy China Pharmaceutical University Wuxi People's Hospital Nanjing Medical University Yunnan Characteristic Plant Extraction Laboratory Yunnan Yunke Characteristic Plant Extraction Laboratory Co. Ltd. Drug Discovery and Development Laboratories Ningxia Hui Medicine Research Institute Hospital for Skin Diseases Institute of Dermatology Chinese Academy of Medical Sciences & Peking Union Medical College

Nigella sativa L. seeds have been traditionally utilized in Chinese folk medicine for centuries to treat vitiligo. This study revealed that the ethanolic extract of Nigella sativa L.(HZC) enhances melanogenesis and mitigates oxidative stress-induced cellular senescence and dysfunction in melanocytes. In accordance with established protocols, the ethanol fraction from Nigella sativa L. seeds was extracted, concentrated, and lyophilized to evaluate its herbal effects via 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide(MTT) assays, tyrosinase activity evaluation, measurement of cellular melanin contents, scratch assays, senescence-associated β-galactosidase(SA-β-gal) staining, enzyme-linked immunosorbent assay(ELISA), and Western blot analysis for expression profiling of experimentally relevant proteins. The results indicated that HZC significantly enhanced tyrosinase activity and melanin content while notably increasing the protein expression levels of Tyr, Mitf, and gp100 in B16F10 cells. Furthermore, HZC effectively mitigated oxidative stress-induced cellular senescence, improved melanocyte condition, and rectified various functional impairments associated with melanocyte dysfunction. These findings suggest that HZC increases melanin synthesis in melanocytes through the activation of the MAPK, PKA, and Wnt signaling *** addition, HZC attenuates oxidative damage induced by H2O2 therapy by activating the nuclear factor E2-related factor 2-antioxidant response element(Nrf2-ARE) pathway and enhancing the activity of downstream antioxidant enzymes, thus preventing premature senescence and dysfunction in melanocytes.

关键词： Cellular senescence Melanin Nigella sativa L. seed extract (HZC) ROS Vitiligo

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Phase transformation of two-dimensional nanomaterials: state-of-the-art progress in designing strategies and catalytic applications

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Science China Materials 2025年第1期68卷 65-85页

作者： Zeqi Wu Feng niu Da Chen yuexiang Huang Guigao Liu Yong Zhou Wenguang Tu Xi Zhu Zhigang Zou College of Materials and Chemistry China Jiliang UniversityHangzhou 310018China School of Science and Engineering The Chinese University of Hong Kong(Shenzhen)Shenzhen 518172China National Special Superfine Powder Engineering Research Center School of Chemistry and Chemical EngineeringNanjing University of Science and TechnologyNanjing 210094China Jiangsu Key Laboratory for Nano Technology National Laboratory of Solid State MicrostructuresCollaborative Innovation Center of Advanced MicrostructuresSchool of PhysicsNanjing UniversityNanjing 210093China

Phase transformation of two-dimensional(2D)nanomaterials can lead to significant changes in electronic and optical properties,which enables the development of novel *** strategies for phase engineering of 2D nanomaterials have drawn considerable attention in recent *** review focuses on the state-of-the-art progress in the phase transformation of 2D nanomaterials and their catalytic ***,the basic concepts of phase transformation and the outstanding electronic and optical properties induced by phase transformation are briefly ***,different strategies for achieving phase transformation are discussed in detail and classified into several types based on their characteristics,including(i)doping,(ii)external fields,(iii)optical irradiation,(iv)strain effect,(v)high-energy particle excitation,and(vi)thermal *** applications of 2D nanomaterials in catalysis based on phase transformation have also been ***,a summary of the technical challenges to phase control in 2D nanomaterials and potential opportunities for developing novel applications is presented.

关键词： phase transformation two-dimensional nanomaterials strategy catalysis application

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Aerated irrigation increases tomato production by improving soil nitrogen availability

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Journal of Integrative Agriculture 2025年第1期24卷 322-338页

作者： Chuandong Tan Yadan Du Xiaobo Gu Wenquan niu Jinbo Zhang Christoph Muller Xuesong Cao Key Laboratory of Agricultural Soil and Water Engineering in Arid and Semiarid Areas Ministry of Education/Northwest A&F UniversityYangling 712100China College of Water Resources and Architectural Engineering Northwest A&F UniversityYangling 712100China Institute of Soil and Water Conservation Northwest A&F UniversityYangling 712100China School of Geography Nanjing Normal UniversityNanjing 210023China Institute of Plant Ecology Justus-Liebig University GiessenGiessen 35392Germany School of Biology and Environmental Science and Earth Institute University College DublinDublin DO4V1W8Ireland Liebig Centre for Agroecology and Climate Impact Research Justus-Liebig University GiessenGiessen 35392Germany Institute of Water Resources for Pastoral Area China Institute of Water Resources and Hydropower ResearchHohhot O10020China

Soil nitrogen(N)is the main limiting nutrient for plant growth,which is sensitive to variations in the soil oxygen *** provide insights into plant N accumulation and yield under aerated and drip irrigation,a greenhouse tomato experiment was conducted with six treatments,including three fertilization types:inorganic fertilizer(NPK);organic fertilizer(OM);chemical(75%of applied N)+organic fertilizer(25%)(NPK+OM)under drip irrigation(DI)and aerated irrigation(AI)*** Al,total soil carbon mineralization(C_(min))was significantly higher(by 5.7-7.0%)than under DI irrigation.C_(min)in the fertilizer treatments followed the order NPK+OM>OM>NPK under both AI and *** mineralizable C(C_(0))and N(N_(0))was greater under AI than under *** N mineralization,gross nitrification,and NH_(4)^(+)immobilization rates were significantly higher under the AINPK treatment than the DINPK treatment by 2.58-3.27-,1.25-1.44-,and 1-1.26-fold,*** findings demonstrated that AI and the addition of organic fertilizer accelerated the turnover of soil organic matter and N transformation processes,thereby enhancing N ***,the combination of AI and organic fertilizer application was found to promote root growth(8.4-10.6%),increase the duration of the period of rapid N accumulation(ΔT),and increase the maximum N accumulation rate(V_(max)),subsequently encouraging aboveground dry matter ***,the AI treatment yield was significantly greater(by 6.3-12.4%)than under the DI ***,N partial factor productivity(NPFP)and N harvest index(NHI)were greater under AI than under DI,by 6.3 to 12.4%,and 4.6 to 8.1%,*** rankings of yield and NPFP remained consistent,with NPK+OM>OM>NPK under both AI and DI *** results highlighted the positive impacts of AI and organic fertilizer application on soil N availability,N uptake,and overall crop yield in *** optimal management measure was identifi

关键词： aerated irrigation soil carbon/nitrogen mineralization gross nitrogen transformation nitrogen utilization yield

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Serum ECM1 is a promising biomarker for staging and monitoring fibrosis in patients with chronic hepatitis B

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Science China(Life Sciences) 2025年第2期68卷 431-440页

作者： Lian Liu Danyan Zhang Rong Fan Shipeng Cheng Jichao Yang Liyan Ma Zhiyang Ling Yaguang Zhang Jinlin Hou Xiaomei Wang Bing Sun Junqi niu Shanghai Institute of Biochemistry and Cell Biology Centre for Excellence in Molecular Cell ScienceChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghai 200031China School of Life Science and Technology ShanghaiTech UniversityShanghai 201210China Department of Infectious Disease Nanfang HospitalSouthern Medical UniversityGuangzhou 510515China Med-X Institute Centre for Immunological and Metabolic DiseasesThe First Affiliated Hospital of Xi’an Jiaotong UniversityXi’an Jiaotong UniversityXi’an 710061China Hepatology Department Centre of Infectious Diseases and Pathogen BiologyFirst Hospital of Jilin UniversityChangchun 130021China

It is critical to assess the extent and progression of liver fibrosis for patients to receive suitable treatments,but its diagnostic methods remain *** matrix protein 1(ECM1)has previously been reported to be a key factor in the induction and progression of liver ***,little is known about the use of ECM1 as a biomarker to evaluate *** a CCl_(4)-induced mouse model of liver fibrosis,the present study demonstrated that ECM1 decreased with gradually increasing *** biopsy as a reference,the serum ECM1 levels decreased with increasing fibrosis stage in 247 patients with liver fibrosis,but there were no significant changes between fibrosis stage 2 and stage 0–*** improve the performance of ECM1,age,platelet count,and ECM1 concentration were combined to calculate an EPA(ECM1-platelet-age)score(ranging from 0 to 10).The areas under the receiver operating characteristic curve of the EPA scores for the detection of F≥2,F≥3,and F4 were 0.6801,0.7377,and 0.8083,respectively,which showed a comparable or significantly greater diagnostic performance for assessing fibrosis than that of the AST/ALT ratio,APRI score,or FIB-4 *** HBV patients following antiviral treatment,the dynamics of the EPA score depended on the status of liver fibrosis *** accuracy of the EPA score in predicting fibrosis regression and progression was 66.00%and 71.43%,respectively,while that of the LSM,another useful method for monitoring hepatic fibrosis changes during treatment,was only 52.00%and 7.14%,*** with healthy controls,there were lower levels of serum ECM1 in HBV patients and individuals with HCV infection,MAFLD,ALD,PBC,and *** findings suggested that individuals with reduced ECM1 levels may have a risk of developing liver injury,and further examinations or medical care are *** conclusion,the ECM1-containing EPA score is a valuable noninvasive test for staging fibrosis and predicting the progression of liv

关键词： ECM1 EPA score noninvasive biomarker dynamic liver fibrosis injury

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基于组卷积和膨胀卷积的轻量注意力模块

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计算机工程与设计 2025年第2期46卷 493-499页

作者：张恩淘郝晓丽牛保宁太原理工大学计算机科学与技术学院山西晋中030600

为解决目前的注意力模块中参数量大、通道压缩导致信息丢失、空间信息学习不充分的缺点,提出一种基于组卷积、通道清洗和膨胀卷积的轻量注意力模块。采取组卷积和通道清洗的方式学习通道权重,能够在不压缩通道的前提下减少大量参数,使... 详细信息

为解决目前的注意力模块中参数量大、通道压缩导致信息丢失、空间信息学习不充分的缺点,提出一种基于组卷积、通道清洗和膨胀卷积的轻量注意力模块。采取组卷积和通道清洗的方式学习通道权重,能够在不压缩通道的前提下减少大量参数,使不同组之间产生交互,充分学习通道信息。采取连续的膨胀卷积,合理设置膨胀率充分且均衡的学习空间信息。通过CIFAR100和VOC 2007+2012数据集对所提模块在图像分类和目标检测中进行实验,验证其能够在较少的花费下带来较大的提升。

关键词：深度学习卷积神经网络注意力机制组卷积膨胀卷积图像分类目标检测

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Clinical effects of phospholipase D2 in attenuating acute pancreatitis

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World Journal of Gastroenterology 2025年第2期31卷 52-60页

作者： Jin-Wei niu Guo-Chao Zhang Wu Ning Hai-Bin Liu Hua Yang Chao-Feng Li Department of General Surgery China-Japan Friendship HospitalBeijing 100029China

BACKGROUND The objective of the current study was to elucidate the clinical mechanism through which phospholipase D2(PLD2)exerted a regulatory effect on neutrophil migra-tion,thereby alleviating the progression of acute *** To elucidate the clinical mechanism through which PLD2 exerted a regulatory effect on neutrophil migration,thereby alleviating the progression of acute *** The study involved 90 patients diagnosed with acute pancreatitis,admitted to our hospital between March 2020 and November 2022.A retrospective analysis was conducted,categorizing patients based on Ranson score severity into mild(n=25),moderate(n=30),and severe(n=35)*** data was collected for each *** blot analysis assessed PLD2 protein expression in patient ***-time reverse transcription polymerase chain reaction was used to evaluate the mRNA expression of chemokine receptors associated with neutrophil *** levels of inflammatory factors in patients were detected using enzyme-linked immunosorbent *** migration tests were conducted to compare migration of neutrophils across groups and analyze the influence of PLD2 on neutrophil *** Overall data analysis did not find significant differences between patient groups(P>0.05).The expression of PLD2 protein in the severe group was lower than that in the moderate and mild groups(P<0.05).The expression level of PLD2 in the moderate group was also lower than that in the mild group(P<0.05).The severity of acute pancreatitis is negatively correlated with PLD2 expression(r=-0.75,P=0.002).The mRNA levels of C-X-C chemokine receptor type 1,C-X-C chemokine receptor type 2,C-C chemokine receptor type 2,and C-C chemokine receptor type 5 in the severe group are significantly higher than those in the moderate and mild groups(P<0.05),and the expression levels in the moderate group are also higher than those in the mild group(P<0.05).The levels of C-reactive protein,tumo

关键词： Phospholipase D2 Neutrophil migration Acute pancreatitis Retrospective analysis Inflammatory response

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