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Fusion network for small target detection based on YOLO and attention mechanism

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Optoelectronics Letters 2024年第6期20卷 372-378页

作者： XU Caie DONG Zhe ZHONG Shengyun chen yijiang PAN Sishun WU Mingyang School of Information and Electronic Engineering Zhejiang University of Science and TechnologyHangzhou 310012China Research Development Department Hangzhou Xinhe Data Technology Co.Ltd.Hangzhou 311202China College of Mechanical Engineering Zhejiang UniversityHangzhou 310013China

Target detection is an important task in computer vision research, and such an anomaly detection and the topic of small target detection task is more concerned. However, there are still some problems in this kind of researches, such as small target detection in complex environments is susceptible to background interference and poor detection results. To solve these issues, this study proposes a method which introduces the attention mechanism into the you only look once(YOLO) network. In addition, the amateur-produced mask dataset was created and experiments were conducted. The results showed that the detection effect of the proposed mothed is much better.

关键词： Fusion network for small target detection based on YOLO and attention mechanism

Characteristics of perfluoromethyl vinyl ether:A new eco-friendly alternative gas for SF_(6)

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High Voltage 2024年第3期9卷 509-517页

作者： Song Xiao yijiang chen Mingjun Tang Shuangshuang Tian Haoran Xia Yifan Wang Ju Tang Yi Li Xiaoxing Zhang State Key Laboratory of Power Grid Environmental Protection School of Electrical Engineering and AutomationWuhan UniversityHubeiChina Key Laboratory for High-Efficiency Utilization of Solar Energy and Operation Control of Energy Storage System School of Electrical and Electronic EngineeringHubei University of TechnologyWuhanChina

The exploration of eco-friendly insulating gas to substitute the most potent greenhouse gas sulphur hexafluoride(SF6)has consistently garnered significant ***,the au-thors evaluated the feasibility of utilising perfluoromethyl vinyl ether(PMVE,C_(3)F_(6)O)as a new branch of eco-friendly insulating gas for the first *** primary dielectric and stability characteristics of PMVE regarding AC breakdown,partial discharge,dielectric recovery,and decomposition properties were revealed under various gas pressure and electrical field *** was found that PMVE demonstrated superior dielectric strength,with the AC breakdown and PD inception voltage(PDIV)1.10 and 1.14 times that of pure SF_(6).Furthermore,the dielectric strength of PMVE exhibits stability even after undergoing 100 cycles of AC breakdowns,and there is no observable formation of solid precipitation on the electrode *** discharge decomposition of PMVE mainly generates fluorocarbon(CF_(4),C_(2)F_(6),C_(3)F_(6),C_(3)F_(8),etc.)and ***,the exceptional insulation stabilityandno absence of solidprecipitation featuresendow PMVE tobe utilised as a new eco-friendly gas for SF_(6)-free gas-insulated equipment.

关键词： surface dielectric vinyl

基于高职院校现代化治理的内部控制体系优化研究

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黄河水利职业技术学院学报 2024年第2期36卷 72-75页

作者：陈乙江黎明职业大学财务处福建泉州362000

以G高校为例,对高校内部控制体系建设和运行存在的内部控制意识不强、内部治理结构僵化、内部治理风险评估机制落后、内控体系信息化建设薄弱、内部控制体系建设专业人才缺乏等问题进行分析。从优化内部治理结构、加强风险管理、推进内... 详细信息

以G高校为例,对高校内部控制体系建设和运行存在的内部控制意识不强、内部治理结构僵化、内部治理风险评估机制落后、内控体系信息化建设薄弱、内部控制体系建设专业人才缺乏等问题进行分析。从优化内部治理结构、加强风险管理、推进内部控制信息化建设、健全内部控制监督机制等方面提出基于现代化治理的高校内部控制体系优化路径,以期有助于提升高校治理现代化水平。

关键词：高校现代化治理内部治理结构内部控制体系信息化建设优化路径风险管理监督机制

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EPC光伏电站工程建设管理探究

现代工程科技 2024年第13期3卷 121-124页

作者：陈议江江苏常熟发电有限公司江苏常熟215536

在“碳中和、碳达峰”的背景下,能源的转型和升级是大势所趋。其中,光伏电站工程建设是新能源建设的重要组成部分。但在建设过程中,仍存在一些问题,如工程管理经验不足、安全问题等。基于此,采用EPC项目管理模式,对光伏电站工程项目建... 详细信息

在“碳中和、碳达峰”的背景下,能源的转型和升级是大势所趋。其中,光伏电站工程建设是新能源建设的重要组成部分。但在建设过程中,仍存在一些问题,如工程管理经验不足、安全问题等。基于此,采用EPC项目管理模式,对光伏电站工程项目建设前、中、后期进行统一管理,同时对工程建设中产生的风险进行识别和评估,保证工程全过程的进度及质量,以期为光伏电站工程建设过程的项目管理提供有益的参考和借鉴。

关键词： EPC项目管理光伏电站工程建设

Intervention Effect of Repetitive TMS on Behavioral Adjustment After Error Commission in Long-Term Methamphetamine Addicts： Evidence From a Two-Choice Oddball Task

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Neuroscience Bulletin 2018年第3期34卷 449-456页

作者： Qiongdan Liang Jia Lin Jiemin Yang Xiang Li yijiang chen Xianxin Meng Jiajin Yuan Key Laboratory of Cognition and Personality of the Ministry of Education Faculty of Psychology Southwest UniversityChongqing 400715 China Da Lian Shan Institute of Addiction Rehabilitation NanjingChina Nanjing Technical University Nanjing China School of Education Nanyang Normal University NanyangChina

Behavioral adjustment plays an important role in the treatment and relapse of drug addiction. Nonetheless,few studies have examined behavioral adjustment and its plasticity following error commission in methamphetamine（METH） dependence, which is detrimental to human health. Thus, we investigated the behavioral adjustment performance following error commission in long-term METH addicts and how it varied with the application of repetitive transcranial magnetic stimulation（r TMS） of the left dorsolateral prefrontal cortex（DLPFC）. Twenty-nine male long-term METH addicts（for [ 3 years） were randomly assigned to high-frequency（10 Hz, n = 15） or sham（n = 14） r TMS of the left DLPFC during a two-choice oddball task. Twenty-six age-matched, healthy male adults participated in the two-choice oddball task pretest to establish normal performance for comparison. The results showed that 10 Hz r TMS over the left DLPFC significantly decreased the post-error slowing effect in response times of METH addicts. In addition, the 10 Hz r TMS intervention remarkably reduced the reaction times during post-error trials but not post-correct trials. While the 10 Hz r TMS group showed a more pronounced post-error slowing effect than the healthy participants during the pretest, the posterror slowing effect in the posttest of this sample was similar to that in the healthy participants. These results suggest that high-frequency r TMS over the left DLPFC is a useful protocol for the improvement of behavioral adjustment after error commission in long-term METH addicts.

关键词： METH addiction Repetitive TMS Two choice oddball task Post-error slowing Behavioral adjustment

Diagnosis and surgical treatment of intraveneous leiomyomatosis extending into the heart:two cases report and review of the literature

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Journal of Nanjing Medical University 2009年第5期23卷 305-310页

作者： Xiaowei Wang Lin Zhang yijiang chen Shijiang Zhang Jianwei Qin Yanhu Wu Jinhua Luo Department of Thoracic & Cardiovascular Surgery the First Affiliated Hospital of Nanjing Medical University Nanjing 210029 China

Objective： To investigate the clinical characteristics, diagnosis and surgical treatment of intravenous leiomyomatosis （IVL）, and outline the differences between Chinese and overseas cases. Methods： Clinical data of two IVL cases, treated in our hospital, were analyzed retrospectively and the related literature was also reviewed. The data of preoperative diagnostic rate, surgical procedures, and postoperative recurrence between patients in China and other countries were compared. Results： The first stage operation was performed successfully in 2 patients. However, they refused subsequent therapies, including a second stage operation to excise the remnants Of the tumor, uterus, bilateral oviducts and ovaries, and anti-estrogen therapy. Both suffered from IVL recurrence, one at 6-month and the other at 9-month, and died at 16-month and 12-month respectively after the first stage surgery. Worldwide reports of 110 IVL cases were reviewed, which included 28 cases in China and 82 cases in other countries. In the majority of the Chinese patients, tumors only extended into the fight atrium rather than the right ventricle （RA 22 cases vs RV 4 cases）. However, among the overseas patients, the rate of extension into the right atrium was similar to that of extension into the right ventricle （RA 41 cases vs RV 38 cases）. The rate of hysterectomies was not significantly different between Chinese and overseas patients （ 67.86% vs 55.9%, P=0.278）. The rate of correct preoperative diagnosis in the Chinese patients was significantly lower than that in the overseas patients （32.14% vs 80%, P=0.000002.）, as well asthe rate of complete excision of the tumor （22.7@0 vs 75.5%, P=0.000001）. The proportion of patients who undergoing a single-stage or a two-stage operation was similar in Chinese and overseas patients. The recurrence rate was significantly higher in the Chinese patients than in the overseas patients （36.8% vs 9.1%, P=0.0055）, and the patients with tumor recurrence were partia

关键词： Intravenous leiomyomatosis (IVL) Heart Diagnosis Surgical treatment

PTEN and Ki67 expression is associated with clinicopathologic features of non-small cell lung cancer

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The Journal of Biomedical Research 2014年第6期28卷 462-467页

作者： Yong Ji Mingfeng Zheng Shugao Ye Jingyu chen yijiang chen Department of Cardiothoracic Surgery the First Affiliated Hospital of Nanjing Medical University

Phosphatase and tensin homolog deleted on chromosome 10（PTEN） and the proliferating antigen Ki67 have been widely studied in several ***,their role as indicator in non-small cell lung cancer（NSCLC）remains ***,we investigated the expression of PTEN and Ki67 in NSCLC tissues and paired normal lung tissues to identify whether these proteins are associated with lung cancer development and *** for PTEN and Ki67 was performed on 67 lung cancer tissues and 41 paired adjacent normal lung tissues to detect the expression of these two *** expression of PTEN in NSCLC tissues（32.8%） was significantly lower than that in normal tissues（82.9%,P 〈 0.05）.In contrast,the expression of Ki67 in NSCLC tissues（76.1%） was significantly higher than that in normal tissues（27.3%,P 〈 0.05）.Expression of both PTEN and Ki67 were strongly associated with tumor histology,clinical stage,lymph node metastasis,differentiation and4-year postoperative survival rate（P 〈 0.05）.However,PTEN expression was negatively correlated with Ki67 expression（r =-0.279,P 〈 0.05）.In conclusion,low PTEN expression and Ki67 overexpression are associated with malignant invasion and lymph node metastasis of *** proteins may serve as diagnostic and prognostic biomarkers of NSCLC.

关键词： non-small cell lung cancer(NSCLC) Ki67 phosphatase and tensin homolog deleted on chromosome 10(PTEN) immunohistochemistry lymph node prognosis

Familial cardiac myxoma with multifocal recurrences:a case report and review of the literature

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The Journal of Biomedical Research 2011年第5期25卷 368-372页

作者： Hailong Cao Yanhu Wu Jinfu Zhub yijiang chen Department of Thoracic and Cardiovascular Surgery the Affiliated Drum Tower Hospital of Nanjing University Medical School Nanjing Jiangsu 210008 China Department of Thoracic and Cardiovascular Surgery the First Affiliated Hospital with Nanjing Medical University Nanjing Jiangsu 210029 China

We report a case of myxoma with multiple recurrences in both the atrium and ventricle in a 26-year-old woman five years after the surgical removal of left atrial myxoma, Her 52-year-old mother had a similar medical history. To our knowledge, this was the first familial case who suffered multifocal cardiac myxoma recurrences without any sign of the myxoma complex. Based on our understanding of the mechanism of recurrence, the approaches to prevent the recurrence, and markers to predict recurrence, we propose that multifocal recurrences, as reported herein, may result from a combination of familial predisposition and multifocal onset. The hi-atrial surgical approach and transesophageal echocardiography are preferred for patients with recurrent cardiac myxomas, especially for those with multiple recurrences and familial myxoma. Immunological and genetic screenings may help to identify family members at risk for developing this disease.

关键词： cardiac myxoma familial multifocal recurrence

High levels of interleukin-6 and 8-iso-prostaglandin in the exhaled breath condensate and serum of patients with chronic obstructive pulmonary disease related pulmonary hypertension

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Chinese Medical Journal 2014年第9期127卷 1608-1612页

作者： He Haiyan Tao yijiang chen Xiaoxiao Qiu Haiyan Zhu Jie Zhang Jianhui Ma Hang Department of Respiratory Diseases First People's Hospital of Nantong Nantong Jiangsu 226001 China

Background Pulmonary hypertension （PH） is a common complication of chronic obstructive pulmonary disease （COPD）. Although alveolar hypoxia is considered as a main cause of PH in COPD, structural and functional changes of pulmonary circulation are apparent at the initial stage of COPD. We hypothesized that an inflammatory response and oxidative stress might contribute to the formation of PH in COPD. Methods We measured the levels of interleukin-6 （IL-6） and 8-iso-prostaglandin （8-iso-PSG） in exhaled breath condensate （EBC） and serum in 40 patients with COPD only or in 45 patients with COPD combined with PH. Pulmonary arterial systolic pressure （PASP） was assessed by Doppler echocardiography and defined as PH when the value of systolic pressure was greater than 40 mmHg. Results Compared with the COPD only group, the level of IL-6 in EBC was significantly increased in all 45 patients with COPD combined with PH （（8.27±2.14） ng/L vs. （4.95±1.19） ng/L, P 〈0.01）. The level of IL-6 in serum was also elevated in patients with COPD combined with PH compared with the COPD only group （（72.8±21.6） ng/L vs. （43.58±13.38） ng/L, P 〈0.01 ）. Similarly, we also observed a significant increase in the level of 8-iso-PSG in both EBC and serum in the COPD with PH group, compared with the COPD only group （EBC：（9.00±2.49） ng/L vs. （5.96±2.31） ng/L, P 〈0.01 and serum：（41.87±9.75） ng/L vs. （27.79±11.09） ng/L, P 〈0.01）. Additionally, the value of PASP in the PH group was confirmed to be positively correlated with the increase in the levels of IL-6 and 8-iso-PSG in both EBC and serum （r=0.477-0.589, P 〈0.05）. Conclusion The increase in the levels of IL-6 and 8-iso-PSG in EBC and serum correlates with the pathogenesis of PH in COPD.

关键词： chronic obstructive pulmonary disease pulmonary hypertension interleukin-6 8-iso-prostaglandin exhaled breath condensate