期刊文献+
共找到462,304篇文章
< 1 2 250 >
每页显示 20 50 100
外伤性感染性眼内炎与血清MIP-1α和HSP70及sTREM-1水平的关系
1
作者 王瑞红 张林林 +2 位作者 王艳娜 任俊霞 刘翠英 《国际眼科杂志》 2026年第1期119-124,共6页
目的:探究外伤性感染性眼内炎(PTIE)患者病原菌分布特征及与血清巨噬细胞炎症蛋白1α(MIP-1α)、热休克蛋白70(HSP70)、可溶性髓系细胞触发受体1(sTREM-1)水平的关系。方法:选取邯郸市眼科医院(邯郸市第三医院)2023年5月至2025年5月共15... 目的:探究外伤性感染性眼内炎(PTIE)患者病原菌分布特征及与血清巨噬细胞炎症蛋白1α(MIP-1α)、热休克蛋白70(HSP70)、可溶性髓系细胞触发受体1(sTREM-1)水平的关系。方法:选取邯郸市眼科医院(邯郸市第三医院)2023年5月至2025年5月共157例PTIE患者为研究组,根据出院时裸眼视力分为预后良好组和预后不良组,选取同期157例眼部外伤无眼内感染患者为对照1组,选取同期157例健康体检志愿者为对照2组。采集研究组患者房水和玻璃体液样本检测病原菌分布;采用酶联免疫吸附法检测血清MIP-1α、HSP70、sTREM-1水平;多因素Logistic分析预后不良影响因素;受试者工作特征(ROC)和决策曲线(DCA)分析血清MIP-1α、HSP70、sTREM-1水平对预后不良的预测价值。结果:三组参与者一般资料具有可比性。PTIE患者157例共检出173株病原菌,以革兰氏阳性菌为主;研究组血清MIP-1α、sTREM-1水平高于对照1组和对照2组,HSP70水平低于对照1组和对照2组(均P<0.05),对照2组和对照1组血清MIP-1α、HSP70、sTREM-1水平比较无差异(均P>0.05)。预后不良组PTIE患者伤口缝合时间≥24 h、伤口位置为Ⅱ/Ⅲ区、外伤类型为破裂伤,破裂伤人数占比以及血清C反应蛋白、MIP-1α、sTREM-1水平较预后良好组患者高,HSP70水平降低(均P<0.001)。多因素Logistic分析结果显示,伤口缝合时间、伤口位置、外伤类型、C反应蛋白、MIP-1α、HSP70和sTREM-1是PTIE患者视力预后不良的影响因素(均P<0.05)。ROC曲线结果显示,血清MIP-1α、HSP70、sTREM-1三者联合预测PTIE患者视力预后不良AUC值为0.965,显著大于单独预测(Z_(MIP-1α)、Z_(HSP70)、Z_(sTREM-1)=3.628、4.705、3.930,均P<0.05),此外由DCA曲线可知联合预测在0.03-0.97高风险阈值的净获益率高于单独预测。结论:PTIE患者革兰氏阳性菌是感染病原菌主要类型,血清MIP-1α、sTREM-1水平升高,HSP70水平降低,三者联合对患者视力预后恢复效果预测效能较高。 展开更多
关键词 外伤性感染性眼内炎 病原菌 巨噬细胞炎症蛋白1α(mip-1α) 热休克蛋白70(HSP70) 可溶性髓系细胞触发受体1(sTREM-1)
暂未订购
Call for Papers from Agricultural Products Processing and Storage
2
《肉类研究》 北大核心 2026年第4期I0011-I0011,共1页
Agricultural Products Processing and Storage(ISSN 3059-4510,Owner:Hunan Academy of Agricultural Sciences,China.Production and hosting:Springer Nature)is an international,peer-reviewed open access journal with the aim ... Agricultural Products Processing and Storage(ISSN 3059-4510,Owner:Hunan Academy of Agricultural Sciences,China.Production and hosting:Springer Nature)is an international,peer-reviewed open access journal with the aim to offer a platform for the rapid dissemination of significant,novel,and high-impact research in the fields of agricultural product processing science,technology,engineering,and nutrition.Additionally,supplemental issues are curated and published to facilitate in-depth discussions on special topics. 展开更多
关键词 processing Agricultural Products Consumer Demand
在线阅读 下载PDF
Hot Compression Deformation Behavior and Processing Maps of Mg-Zn-Mn(-Sn)-Ca Alloy
3
作者 Chen Xia Zhu Yulong +2 位作者 Liu Quanyi Zhang Dingfei Pan Fusheng 《稀有金属材料与工程》 北大核心 2026年第3期627-635,共9页
The hot compression deformation behavior of Mg-6Zn-1Mn-0.5Ca(ZM61-0.5Ca)and Mg-6Zn-1Mn-2Sn-0.5Ca(ZMT612-0.5Ca)alloys was investigated at deformation temperatures ranging from 250℃to 400℃and strain rates varying from... The hot compression deformation behavior of Mg-6Zn-1Mn-0.5Ca(ZM61-0.5Ca)and Mg-6Zn-1Mn-2Sn-0.5Ca(ZMT612-0.5Ca)alloys was investigated at deformation temperatures ranging from 250℃to 400℃and strain rates varying from 0.001 s^(-1) to 1 s^(-1).The results show that the addition of Sn promotes dynamic recrystallization(DRX),and CaMgSn phases can act as nucleation sites during the compression deformation.Flow stress increases with increasing the strain rate and decreasing the temperature.Both the ZM61-0.5Ca and ZMT612-0.5Ca alloys exhibit obvious DRX characteristics.CaMgSn phases can effectively inhibit dislocation motion with the addition of Sn,thus increasing the peak fl ow stress of the alloy.The addition of Sn increases the hot deformation activation energy of the ZM61-0.5Ca alloy from 199.654 kJ/mol to 276.649 kJ/mol,thus improving the thermal stability of the alloy.For the ZMT612-0.5Ca alloy,the optimal hot deformation parameters are determined to be a deformation temperature range of 350–400℃and a strain rate range of 0.001–0.01 s^(-1). 展开更多
关键词 hot deformation constitutive equation processing map deformation activation energy magnesium alloy
原文传递
Call for Papers from Agricultural Products Processing and Storage
4
《肉类研究》 北大核心 2026年第1期I0017-I0017,共1页
Agricultural Products Processing and Storage(ISSN 3059-4510,Owner:Hunan Academy of Agricultural Sciences,China.Production and hosting:Springer Nature)is an international,peer-reviewed open access journal with the aim ... Agricultural Products Processing and Storage(ISSN 3059-4510,Owner:Hunan Academy of Agricultural Sciences,China.Production and hosting:Springer Nature)is an international,peer-reviewed open access journal with the aim to offer a platform for the rapid dissemination of signifi cant,novel,and high-impact research in the fi elds of agricultural product processing science,technology,engineering,and nutrition.Additionally,supplemental issues are curated and published to facilitate in-depth discussions on special topics. 展开更多
关键词 NUTRITION SCIENCE open access journal agricultural products processing STORAGE technology ENGINEERING agricultural product
在线阅读 下载PDF
Source-Text Processing in Xu-Argument-Based Continuation Writing:An Eye-Tracking Study
5
作者 Wei Gao Jinyang Li Duanhui Yuan 《Chinese Journal of Applied Linguistics》 2026年第1期21-37,159,共18页
This study investigated the effects of xu-argument-based continuation writing on learners’processing of source texts.Seventy-five participants were randomly assigned to three conditions:(1)continuation writing,(2)sum... This study investigated the effects of xu-argument-based continuation writing on learners’processing of source texts.Seventy-five participants were randomly assigned to three conditions:(1)continuation writing,(2)summary writing,or(3)reading comprehension.Eye-tracking data were collected during reading,measuring early(first fixation duration,first pass duration)and late(go-past time,total fixation duration)eye movements.During writing,source-text rereading was tracked via fixation counts and durations.Results showed that task type did not affect initial lexical access,as first fixation duration showed no group differences.However,both production groups exhibited significantly longer first pass durations than the reading comprehension group.Late measures revealed a gradient pattern:the continuation writing group spent significantly longer gopast time and total fixation duration than the summary writing group,which exceeded the reading comprehension group.This indicates that continuation tasks promoted deeper cognitive engagement during reading.During writing,the continuation writing group spent more time rereading the source text with higher fixation counts than the summary writing group.These findings suggest that continuation writing triggers more intensive reader-text interaction during pre-writing and enhances comprehension-production coupling through sustained attention to input during writing.This study sheds light on the cognitive mechanisms underlying the theoretical and pedagogical value of xu-argument. 展开更多
关键词 xu-argument continuation writing source-text processing EYE-TRACKING
在线阅读 下载PDF
Basic research and industrial development status of suancai in Northeast China:history,microflora diversity,processing technology,nutrition and safety
6
作者 Qianqian Wang Jingbo Yang +7 位作者 Yuqi Wang Meiru Xie Xiaoxi Qi Ramnarain Ramakrishna Libo Liu Wenkui Guo Guofang Zhanga Chun Li 《Food Science and Human Wellness》 2026年第1期13-27,共15页
Suancai has a lengthy history and a wide range of categories,which has some influence on the pickled diet culture around the world.Suancai production is transitioning to a large-scale,standardized production due to th... Suancai has a lengthy history and a wide range of categories,which has some influence on the pickled diet culture around the world.Suancai production is transitioning to a large-scale,standardized production due to the growth of the market.It has a unique flavor and is rich in nutrients,and its abundance of free amino acids,vitamins and phenolics has many positive effects on the human body.This review gives the types and history of suancai,as well as its impact on the world’s pickled culture.The changes in nutritional composition and flavor of suancai during fermentation are summarized.It presented the production technology and influencing factors of the northeast suancai,examined the quality and safety issues in suancai,and put forth some ideas and opinions on the standardization development of the suancai industry.It also summarized the geographic distribution and flora diversity of pickles around the world.In order to provide some knowledge and guidance for the promotion of modern industrial production in the suancai industry. 展开更多
关键词 Fermented vegetables Microbial community Process NUTRITION SAFETY
在线阅读 下载PDF
Microseismic signal processing and rockburst disaster identification:A multi-task deep learning and machine learning approach
7
作者 Chunchi Ma Weihao Xu +3 位作者 Xuefeng Ran Tianbin Li Hang Zhang Dongwei Xing 《Journal of Rock Mechanics and Geotechnical Engineering》 2026年第1期441-456,共16页
Underground engineering projects such as deep tunnel excavation often encounter rockburst disasters accompanied by numerous microseismic events.Rapid interpretation of microseismic signals is crucial for the timely id... Underground engineering projects such as deep tunnel excavation often encounter rockburst disasters accompanied by numerous microseismic events.Rapid interpretation of microseismic signals is crucial for the timely identification of rockbursts.However,conventional processing encompasses multi-step workflows,including classification,denoising,picking,locating,and computational analysis,coupled with manual intervention,which collectively compromise the reliability of early warnings.To address these challenges,this study innovatively proposes the“microseismic stethoscope"-a multi-task machine learning and deep learning model designed for the automated processing of massive microseismic signals.This model efficiently extracts three key parameters that are necessary for recognizing rockburst disasters:rupture location,microseismic energy,and moment magnitude.Specifically,the model extracts raw waveform features from three dedicated sub-networks:a classifier for source zone classification,and two regressors for microseismic energy and moment magnitude estimation.This model demonstrates superior efficiency compared to traditional processing and semi-automated processing,reducing per-event processing time from 0.71 s to 0.49 s to merely 0.036 s.It concurrently achieves 98%accuracy in source zone classification,with microseismic energy and moment magnitude estimation errors of 0.13 and 0.05,respectively.This model has been well applied and validated in the Daxiagu Tunnel case in Sichuan,China.The application results indicate that the model is as accurate as traditional methods in determining source parameters,and thus can be used to identify potential geomechanical processes of rockburst disasters.By enhancing the signal processing reliability of microseismic events,the proposed model in this study presents a significant advancement in the identification of rockburst disasters. 展开更多
关键词 Underground engineering Microseismic signal processing Deep learning MULTI-TASK Rockburst identification
在线阅读 下载PDF
Enhancing Convolution Recurrent Network with Graph Signal Processing:High Suppressive Interference Mitigation
8
作者 Guo Pengcheng Yu Miao +1 位作者 Gu Miaomiao Ren Bingyin 《China Communications》 2026年第1期255-272,共18页
In this paper,we propose a novel graph signal processing convolution recurrent network(GSP CRN)for signal enhancement against high suppressive interference(HSI)in wireless communications.GSPCRN consists of the short-t... In this paper,we propose a novel graph signal processing convolution recurrent network(GSP CRN)for signal enhancement against high suppressive interference(HSI)in wireless communications.GSPCRN consists of the short-time graph signal processing(SGSP)approach and a modified convolution recurrent network.Similar to the traditional shorttime time-frequency transformation,SGSP frames the complex-valued communication signal and transforms it to the graph-domain representations,where the connection and weight flexibility of each vertex are fully taken into account.In the presence of HSI,SGSP can extract signal features from new graph-domain dimensions and empower neural networks for weak signal enhancement.Two SGSP methods,adjacency singular value decomposition and implicit graph transformation,are designed to capture relationships among the sampling points in the segmented signals.Simulation results demonstrate that our proposed GSPCRN outperforms existing classic methods in extracting weak signals from the HSI environment.When the interference-to-signal ratio exceeds 27dB,only our proposed GSPCRN can achieve the interference mitigation. 展开更多
关键词 adjacency matrix short-time graph signal processing signal enhancement wireless communications
在线阅读 下载PDF
A Study on the Role of the Chunking Reading Processing Strategy in Enhancing College Students’Proficiency of ESL Reading
9
作者 ZHENG Wenqian NI Jincheng 《Sino-US English Teaching》 2026年第1期23-27,共5页
English reading proficiency is essential for university students in a globalized academic environment,yet many L2 learners encounter challenges,such as limited vocabulary,complex syntax,and unclear text organization,l... English reading proficiency is essential for university students in a globalized academic environment,yet many L2 learners encounter challenges,such as limited vocabulary,complex syntax,and unclear text organization,leading to cognitive overload.Grounded in the Cognitive Load Theory(CLT),this study examines the role of the Chunking Reading Processing Strategy-which integrates fragmented linguistic information into meaningful units at lexical,syntactic,and discourse levels-in alleviating cognitive load and improving reading comprehension.Through a mixed-methods approach,the research investigates how learners at different proficiency levels perceive and apply the chunking strategy,and how such application relates to cognitive load management.The results indicate that higher-proficiency learners employ chunking more frequently and report greater benefits,whereas lower-proficiency learners depend more on instructional support.The study confirms the theoretical and pedagogical value of chunk-based reading instruction and suggests that differentiated,cognitively informed teaching of the chunking strategy can enhance both reading efficiency and strategic awareness among L2 learners. 展开更多
关键词 ESL reading the chunking reading processing strategy cognitive load reading ability
在线阅读 下载PDF
Data Processing Solutions on Low Signal-to-noise Data in Loess Plateau Area:A Case Study in Ordos Basin,China
10
作者 GAO Rongtao CHENG Yun +1 位作者 TANG Ziqi LIU Zhao 《CT理论与应用研究(中英文)》 2026年第1期154-162,共9页
While the Ordos Basin is recognized for its substantial hydrocarbon exploration prospects,its rugged loess tableland terrain has rendered seismic exploration exceptionally challenging[1-3].Persistent obstacles such as... While the Ordos Basin is recognized for its substantial hydrocarbon exploration prospects,its rugged loess tableland terrain has rendered seismic exploration exceptionally challenging[1-3].Persistent obstacles such as complex 3D survey planning,low signal-tonoise ratio raw data,inadequate near-surface velocity modeling,and imaging inaccuracy have long hindered the advancement of seismic exploration across this region.Through a problem-solving approach rooted in geological target analysis,this research systematically investigates the behavioral patterns of nodal seismometer-based high-density seismic acquisition in loess plateau.Tailored advancements in waveform enhancement and depth velocity modelling methodologies have been engineered.Field validations confirm that the optimized workflow demonstrates marked improvements in amplitude preservation and imaging resolution,offering novel insights for future reservoir characterization endeavors. 展开更多
关键词 loess plateau ACQUISITION low signal to noise ratio data processing depth modeling
原文传递
Exploring Recovery through Life Narratives in Psychiatric Home-Visit Nursing:A Natural Language Processing Approach Using BERTopic
11
作者 Ichiro Kutsuna Masanao Ikeya +2 位作者 Akane Fujii Aiko Hoshino Kazuya Sakai 《International Journal of Mental Health Promotion》 2026年第2期31-47,共17页
Background:In mental health,recovery is emphasized,and qualitative analyses of service users’narratives have accumulated;however,while qualitative approaches excel at capturing rich context and generating new concept... Background:In mental health,recovery is emphasized,and qualitative analyses of service users’narratives have accumulated;however,while qualitative approaches excel at capturing rich context and generating new concepts,they are limited in generalizability and feasible data volume.This study aimed to quantify the subjective life history narratives of users of psychiatric home-visit nursing using natural language processing(NLP)and to clarify the relationships between linguistic features and recovery-related indicators.Methods:We conducted audio-recorded and transcribed semi-structured interviews on daily life verbatim and collected self-report questionnaires(Recovery Assessment Scale[RAS])and clinician ratings(Global Assessment of Functioning[GAF])from Japanese users of psychiatric home-visit nursing.Using the artificial intelligence-based topic-modeling method BERTopic,we extracted topics from the interview texts and calculated each participant’s topic proportions,and then examined associations between topic proportions and recovery-related indicators using Pearson correlation analyses.Results:“School”showed a significant positive correlation with RAS(r=0.39,p=0.05),whereas“Family”showed a significant negative correlation(r=–0.46,p=0.02).GAF was positively correlated with word count(r=0.44,p=0.02)and“Hospital”(r=0.42,p=0.03),and negatively correlated with“Backchannels”(aizuchi)(r=–0.41,p=0.03).Conclusion:The present results suggest that the quantity,quality,and content of narratives can serve as useful indicators of mental health and recovery,and that objective NLP-based analysis of service users’narratives can complement traditional self-report scales and clinician ratings to inform the design of recovery-oriented care in psychiatric home-visit nursing. 展开更多
关键词 Personal recovery life history narratives natural language processing psychiatric home-visit nursing artificial intelligence
暂未订购
Processing map for oxide dispersion strengthening Cu alloys based on experimental results and machine learning modelling
12
作者 Le Zong Lingxin Li +8 位作者 Lantian Zhang Xuecheng Jin Yong Zhang Wenfeng Yang Pengfei Liu Bin Gan Liujie Xu Yuanshen Qi Wenwen Sun 《International Journal of Minerals,Metallurgy and Materials》 2026年第1期292-305,共14页
Oxide dispersion strengthened(ODS)alloys are extensively used owing to high thermostability and creep strength contributed from uniformly dispersed fine oxides particles.However,the existence of these strengthening pa... Oxide dispersion strengthened(ODS)alloys are extensively used owing to high thermostability and creep strength contributed from uniformly dispersed fine oxides particles.However,the existence of these strengthening particles also deteriorates the processability and it is of great importance to establish accurate processing maps to guide the thermomechanical processes to enhance the formability.In this study,we performed particle swarm optimization-based back propagation artificial neural network model to predict the high temperature flow behavior of 0.25wt%Al2O3 particle-reinforced Cu alloys,and compared the accuracy with that of derived by Arrhenius-type constitutive model and back propagation artificial neural network model.To train these models,we obtained the raw data by fabricating ODS Cu alloys using the internal oxidation and reduction method,and conducting systematic hot compression tests between 400 and800℃with strain rates of 10^(-2)-10 S^(-1).At last,processing maps for ODS Cu alloys were proposed by combining processing parameters,mechanical behavior,microstructure characterization,and the modeling results achieved a coefficient of determination higher than>99%. 展开更多
关键词 oxide dispersion strengthened Cu alloys constitutive model machine learning hot deformation processing maps
在线阅读 下载PDF
Teaching Reform of Chinese Medicine Processing Technology Course under the Integration of Technical and Higher Vocational Education
13
作者 Lianfang LI 《Medicinal Plant》 2026年第1期72-77,82,共7页
Against the backdrop of integrated development between technical education and higher vocational education,the teaching of Chinese Medicine Processing Technology courses faces new opportunities and challenges.This pap... Against the backdrop of integrated development between technical education and higher vocational education,the teaching of Chinese Medicine Processing Technology courses faces new opportunities and challenges.This paper analyzes the existing problems in the current teaching of Chinese Medicine Processing Technology courses,discusses the necessity of reforming the teaching model under the context of integration,and proposes the construction of a"Dual-Capability Progression,Six-Dimensional Empowerment"teaching model.The aim is to enhance the teaching quality of Chinese Medicine Processing Technology courses and cultivate high-quality skilled talents in Chinese medicine processing who can meet industry demands. 展开更多
关键词 Technical education Higher vocational education Integrated development Chinese Medicine processing Technology Course Teaching reform
在线阅读 下载PDF
A Multi-Stage Pipeline for Date Fruit Processing: Integrating YOLOv11 Detection, Classification, and Automated Counting
14
作者 Ali S.Alzaharani Abid Iqbal 《Computers, Materials & Continua》 2026年第1期1327-1353,共27页
In this study,an automated multimodal system for detecting,classifying,and dating fruit was developed using a two-stage YOLOv11 pipeline.In the first stage,the YOLOv11 detection model locates individual date fruits in... In this study,an automated multimodal system for detecting,classifying,and dating fruit was developed using a two-stage YOLOv11 pipeline.In the first stage,the YOLOv11 detection model locates individual date fruits in real time by drawing bounding boxes around them.These bounding boxes are subsequently passed to a YOLOv11 classification model,which analyzes cropped images and assigns class labels.An additional counting module automatically tallies the detected fruits,offering a near-instantaneous estimation of quantity.The experimental results suggest high precision and recall for detection,high classification accuracy(across 15 classes),and near-perfect counting in real time.This paper presents a multi-stage pipeline for date fruit detection,classification,and automated counting,employing YOLOv11-based models to achieve high accuracy while maintaining real-time throughput.The results demonstrated that the detection precision exceeded 90%,the classification accuracy approached 92%,and the counting module correlated closely with the manual tallies.These findings confirm the potential of reducing manual labour and enhancing operational efficiency in post-harvesting processes.Future studies will include dataset expansion,user-centric interfaces,and integration with harvesting robotics. 展开更多
关键词 Date fruit cultivation YOLOv11 precision agriculture real-time processing automated fruit counting deep learning agricultural productivity
在线阅读 下载PDF
LinguTimeX a Framework for Multilingual CTC Detection Using Explainable AI and Natural Language Processing
15
作者 Omar Darwish Shorouq Al-Eidi +4 位作者 Abdallah Al-Shorman Majdi Maabreh Anas Alsobeh Plamen Zahariev Yahya Tashtoush 《Computers, Materials & Continua》 2026年第1期2231-2251,共21页
Covert timing channels(CTC)exploit network resources to establish hidden communication pathways,posing signi cant risks to data security and policy compliance.erefore,detecting such hidden and dangerous threats remain... Covert timing channels(CTC)exploit network resources to establish hidden communication pathways,posing signi cant risks to data security and policy compliance.erefore,detecting such hidden and dangerous threats remains one of the security challenges. is paper proposes LinguTimeX,a new framework that combines natural language processing with arti cial intelligence,along with explainable Arti cial Intelligence(AI)not only to detect CTC but also to provide insights into the decision process.LinguTimeX performs multidimensional feature extraction by fusing linguistic attributes with temporal network patterns to identify covert channels precisely.LinguTimeX demonstrates strong e ectiveness in detecting CTC across multiple languages;namely English,Arabic,and Chinese.Speci cally,the LSTM and RNN models achieved F1 scores of 90%on the English dataset,89%on the Arabic dataset,and 88%on the Chinese dataset,showcasing their superior performance and ability to generalize across multiple languages. is highlights their robustness in detecting CTCs within security systems,regardless of the language or cultural context of the data.In contrast,the DeepForest model produced F1-scores ranging from 86%to 87%across the same datasets,further con rming its e ectiveness in CTC detection.Although other algorithms also showed reasonable accuracy,the LSTM and RNN models consistently outperformed them in multilingual settings,suggesting that deep learning models might be better suited for this particular problem. 展开更多
关键词 Arabic language Chinese language covert timing channel CYBERSECURITY deep learning English language language processing machine learning
在线阅读 下载PDF
Tailoring oxygen vacancies in Ni-doped In_(2)O_(3) for improved thin-film transistor stability and performance via solution processing
16
作者 Fakhari Alam Sara Ajmal +3 位作者 Muhammad Asim Shahzad Ghulam Dastgeer Aamir Rasheed Gang He 《Journal of Semiconductors》 2026年第2期61-71,共11页
Doping in thin-film transistors(TFTs) plays a crucial role in tailoring material properties to enhance device performance, making them essential for advanced electronic applications. This study explores the synthesis ... Doping in thin-film transistors(TFTs) plays a crucial role in tailoring material properties to enhance device performance, making them essential for advanced electronic applications. This study explores the synthesis and characterization of TFTs fabricated using nickel(Ni)-doped indium oxide(In_(2)O_(3)) via a wet-chemical approach. The presented work investigates the effect of "Ni" incorporation in In_(2)O_(3) on the structural and electrical transport properties of In_(2)O_(3), revealing that higher "Ni" content decreases the oxygen vacancies, leading to a reduction in leakage current and a forward shift in threshold potential(V_(th)).Experimental findings reveal that Ni In O-based TFTs(with Ni = 0.5%) showcase enhanced electrical performance, achieving mobility of 7.54 cm^(2)/(V·s), an impressive ON/OFF current ratio of ~10^(7), a V_(th) of 6.26 V, reduced interfacial trap states(D_(it)) of 8.23 ×10^(12) cm^(-2) and enhanced biased stress stability. The efficacy of "Ni" incorporation is attributed to the upgraded Lewis acidity, stable Ni-O bond strength, and small ionic radius of Ni. Negative bias illumination stability(NBIS) measurements further indicate that device stability diminishes with shorter light wavelengths, likely due to the activation of oxygen vacancies. These findings validate the solution-processed techniques' potential for future large-scale, low-cost, energy-efficient, and high-performance electronics. 展开更多
关键词 thin-film transistors Ni-doped In_(2)O_(3) solution processing bias illumination stability
在线阅读 下载PDF
PCOS患者血清中ANGPTL2及MIP-1α表达及其与慢性低度炎症的关系 被引量:1
17
作者 任小胖 薛会灵 +3 位作者 王冰 魏俊秀 刘曼 郝婉姣 《现代妇产科进展》 2025年第2期107-112,共6页
目的:通过检测多囊卵巢综合征(PCOS)患者血清中血管生成素样蛋白2(ANGPTL2)及巨噬细胞炎症蛋白-1α(MIP-1α)的表达水平,探讨PCOS与慢性低度炎症的关系。方法:选取2022年7月至10月就诊于河北大学附属医院生殖医学科的PCOS患者120例和正... 目的:通过检测多囊卵巢综合征(PCOS)患者血清中血管生成素样蛋白2(ANGPTL2)及巨噬细胞炎症蛋白-1α(MIP-1α)的表达水平,探讨PCOS与慢性低度炎症的关系。方法:选取2022年7月至10月就诊于河北大学附属医院生殖医学科的PCOS患者120例和正常女性40例。酶联免疫法(ELISA)检测血清ANGPTL2、MIP-1α表达水平,化学发光法检测血清中卵泡刺激素(FSH)、黄体生成素(LH)、睾酮(T)、雌二醇(E 2)、孕激素(P)、泌乳素(PRL)水平;对所有研究对象进行胰岛素释放实验(IRT)及葡萄糖耐量实验(OGTT)。按T、身体质量指数(BMI)及胰岛素抵抗指数(HOMA-IR)将PCOS患者分成8个亚组:PCOS非高T非肥胖非IR、PCOS-IR肥胖非高T、PCOS-IR非高T非肥胖、PCOS-肥胖非高T非IR、PCOS-肥胖高T非IR、PCOS-IR高T非肥胖、PCOS高T非肥胖非IR以及PCOS-IR高T肥胖。结果:正常对照组与PCOS非高T非肥胖非IR组比较,血清ANGPTL2、MIP-1a水平明显偏低(P<0.05)。PCOS-IR非高T非肥胖组与PCOS非高T非肥胖非IR组比较,ANGPTL2、MIP-1a水平明显升高(P<0.05)。PCOS肥胖非高T非IR组与PCOS非高T非肥胖非IR组比较,ANGPTL2、MIP-1a水平亦明显升高(P<0.05)。回归分析结果显示,所有研究对象中ANGPTL2及MIP-1α均与HOMA-IR、BMI、T及LH/FSH均表现为正相关(P<0.05)。PCOS组中,ANGPTL2及MIP-1α与BMI、HOMA-IR呈正相关(P<0.05)。结论:慢性低度炎症在PCOS发病机制中起着重要作用,ANGPTL2、MIP-1α可作为诊断PCOS及评估其严重程度的新的生物标志物,为治疗PCOS提供了新方向。 展开更多
关键词 多囊卵巢综合征 ANGPTL2 mip-1Α BMI 睾酮 胰岛素抵抗 慢性低度炎症
暂未订购
An Unprecedented Efficiency with Approaching 21%Enabled by Additive‑Assisted Layer‑by‑Layer Processing in Organic Solar Cells 被引量:2
18
作者 Shuai Xu Youdi Zhang +6 位作者 Yanna Sun Pei Cheng Zhaoyang Yao Ning Li Long Ye Lijian Zuo Ke Gao 《Nano-Micro Letters》 SCIE EI CAS 2025年第2期372-375,共4页
Recently published in Joule,Feng Liu and colleagues from Shanghai Jiaotong University reported a record-breaking 20.8%power conversion efficiency in organic solar cells(OSCs)with an interpenetrating fibril network act... Recently published in Joule,Feng Liu and colleagues from Shanghai Jiaotong University reported a record-breaking 20.8%power conversion efficiency in organic solar cells(OSCs)with an interpenetrating fibril network active layer morphology,featuring a bulk p-in structure and proper vertical segregation achieved through additive-assisted layer-by-layer deposition.This optimized hierarchical gradient fibrillar morphology and optical management synergistically facilitates exciton diffusion,reduces recombination losses,and enhances light capture capability.This approach not only offers a solution to achieving high-efficiency devices but also demonstrates the potential for commercial applications of OSCs. 展开更多
关键词 Organic solar cells Additive-assisted layer-by-layer processing Three-dimensional fibril morphology Bulk p-i-n structure Optical management
在线阅读 下载PDF
血清FGF⁃21、MIP⁃1α和Activin⁃A对ARDS患者病情评估及预后预测的价值
19
作者 周颖 卢坤琴 刘海梅 《分子诊断与治疗杂志》 2025年第1期116-119,共4页
目的探讨成纤维细胞生长因子21(FGF⁃21)、巨噬细胞炎性蛋白1α(MIP⁃1α)及活化素A(Activin⁃A)对急性呼吸窘迫综合征(ARDS)患者病情评估及预后预测的临床价值。方法选取2019年1月至2022年1月江苏省如皋市人民医院呼吸重症病房110例ARDS... 目的探讨成纤维细胞生长因子21(FGF⁃21)、巨噬细胞炎性蛋白1α(MIP⁃1α)及活化素A(Activin⁃A)对急性呼吸窘迫综合征(ARDS)患者病情评估及预后预测的临床价值。方法选取2019年1月至2022年1月江苏省如皋市人民医院呼吸重症病房110例ARDS患者作为研究对象,根据病情严重程度将ARDS患者分为轻度组(n=44)、中度组(n=32)、重度组(n=34)。检测三组血清FGF⁃21、MIP⁃1α及Activin⁃A表达水平。采用Pearson相关分析评估血清FGF⁃21、MIP⁃1α和Activin⁃A水平与APACHEⅡ评分的相关性。根据患者28 d生存结局将生存患者记为生存组(n=78),随访期间死亡患者记为死亡组(n=32),采用Logistic回归分析ARDS患者死亡的危险因素,采用受试者工作特征(ROC)曲线分析上述指标对ARDS患者预后的预测价值。结果不同病情严重程度患者血清FGF⁃21水平:轻度组>中度组>重度组,MIP⁃1α和Activin⁃A水平:重度组>中度组>轻度组,差异有统计学意义(均P<0.05)。预后分析显示,生存组78例,死亡组32例。死亡组FGF⁃21水平低于生存组,MIP⁃1α、Activin⁃A水平高于生存组,差异有统计学意义(P<0.05)。相关性分析表明,ARDS患者血浆FGF⁃21与APACHEⅡ评分呈负相关(r=0.569),MIP⁃1α(r=0.498)及Activin⁃A(r=0.633)与APACHEⅡ评分呈正相关(P<0.05)。多因素Logistic回归分析显示,低水平FGF⁃21、高水平MIP⁃1α和高水平Activin⁃A均是ARDS患者死亡的独立危险因素(均P<0.05)。ROC曲线分析显示,FGF⁃21、MIP⁃1α和Activin⁃A预测ARDS死亡的灵敏度分别为0.738、0.761、0.699,特异度分别为0.805、0.752、0.774,AUC值分别为0.787、0.833、0.778;三项指标联合检测的灵敏度为0.806,特异度为0.832,AUC值为0.899(P<0.05)。结论FGF⁃21、MIP⁃1α和Activin⁃A水平与ARDS患者病情严重程度和预后相关,对患者预后具有预测价值,可为临床诊治提供参考。 展开更多
关键词 急性呼吸窘迫综合症 FGF⁃21 mip⁃1α Activin⁃A
暂未订购
MIPS处理器核及其定制化AXI总线设计
20
作者 周艳娇 贾艳双 杜军 《集成电路与嵌入式系统》 2025年第3期33-40,共8页
针对使用现成AXI接口IP核存在资源占用较大、可定制性差等问题,提出一种分阶段自主设计、添加AXI总线的方式,为设计好的MIPS处理器核增加AXI总线的支持。设计使用Verilog HDL编写RTL代码,在Vivado仿真环境下验证了处理器的总体逻辑功能... 针对使用现成AXI接口IP核存在资源占用较大、可定制性差等问题,提出一种分阶段自主设计、添加AXI总线的方式,为设计好的MIPS处理器核增加AXI总线的支持。设计使用Verilog HDL编写RTL代码,在Vivado仿真环境下验证了处理器的总体逻辑功能,并将比特流文件下载至FPGA开发板中进行原型验证,得到资源利用率及时序情况。最终使用DC(Design Compiler)工具对处理器进行综合,得到处理器的总体面积和功耗。验证结果表明,自主设计、添加AXI总线相较于直接添加AXI接口IP核所消耗的资源和面积更小,且可以确保在处理器核心架构不变的情况下添加总线,大大降低了将处理器核中原有接口直接更改为AXI总线接口的难度,既减轻了集成的复杂性又兼顾高度定制化,以满足特定的系统需求和性能要求。 展开更多
关键词 AXI IP核 mipS 处理器核 六级流水线
在线阅读 下载PDF
上一页 1 2 250 下一页 到第
使用帮助 返回顶部