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Homogenization Construction of Three-Level Teaching Bases for General Practice Medicine Under the Internet+Model

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Journal of Contemporary Educational Research 2024年第5期8卷 46-52页

作者： Yu cai Ge Wu Yuanyuan jia Siqi Wang Chang Tian Yu Feng Faculty Development and Teaching Evaluation Office The First Affiliated Hospital of Xi’an Medical UniversityXi’an 710000Shaanxi ProvinceChina xi’an Medical University Xi’an 710000Shaanxi ProvinceChina

With the continuous expansion of medical student enrollment,the number of clinical teaching bases is gradually ***,there are significant differences in clinical teaching management models and teaching levels among different *** clinical teaching bases have incomplete teaching management systems,inadequate teaching management institutions,insufficient teaching personnel,and inadequate implementation of teaching rules and *** article combines the construction practice of three-level clinical teaching base of the General Medicine College and the First Affiliated Hospital of xi’an Medical *** establish a standardized management system for the three-level clinical teaching base;implement a teaching supervision system and strengthen the monitoring of teaching quality;adopt multiple evaluations to test the effectiveness of clinical teaching implementation;explore the path of homogenization construction of teaching bases in terms of unified teacher training,promoting the development of teacher teaching abilities with equal quality and excellence,and providing a reference for improving the quality of medical talent training.

关键词： Clinical teaching base Homogenization construction General practice medicine

Generative pretrained transformer 4:an innovative approach to facilitate value-based healthcare

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Intelligent Medicine 2024年第1期4卷 10-15页

作者： Han Lyu Zhixiang Wang jia Li Jing Sun xinghao Wang Pengling Ren Linkun cai Zhenchang Wang Max Wintermark Department of Radiology Capital Medical University Affiliated Beijing Friendship HospitalBeijing 100050China Department of Medical Imaging Capital Medical University Affiliated Beijing Friendship HospitalBeijing 100050China School of Biological Science and Medical Engineering Beihang UniversityBeijing 100191China Department of Neuroradiology University of Texas MD Anderson CenterHoustonTX 77030USA

Objective Appropriate medical imaging is important for value-based *** aim to evaluate the performance of generative pretrained transformer 4(GPT-4),an innovative natural language processing model,providing appropriate medical imaging automatically in different clinical *** Institutional Review Boards(IRB)approval was not required due to the use of nonidentifiable ***,we used 112 questions from the American College of Radiology(ACR)Radiology-TEACHES Program as prompts,which is an open-sourced question and answer program to guide appropriate medical *** included 69 free-text case vignettes and 43 simplified *** the performance evaluation of GPT-4 and GPT-3.5,we considered the recommendations of ACR guidelines as the gold standard,and then three radiologists analyzed the consistency of the responses from the GPT models with those of the *** set a five-score criterion for the evaluation of the consistency.A paired t-test was applied to assess the statistical significance of the *** For the performance of the GPT models in free-text case vignettes,the accuracy of GPT-4 was 92.9%,whereas the accuracy of GPT-3.5 was just 78.3%.GPT-4 can provide more appropriate suggestions to reduce the overutilization of medical imaging than GPT-3.5(t=3.429,P=0.001).For the performance of the GPT models in simplified scenarios,the accuracy of GPT-4 and GPT-3.5 was 66.5%and 60.0%,*** differences were not statistically significant(t=1.858,P=0.070).GPT-4 was characterized by longer reaction times(27.1 s in average)and extensive responses(137.1 words on average)than *** As an advanced tool for improving value-based healthcare in clinics,GPT-4 may guide appropriate medical imaging accurately and efficiently。

关键词： Generative pretrained transformer 4 model Natural language processing Medical imaging Appropriateness

Blastic plasmacytoid dendritic cell neoplasm in Jinhua,China:Two case reports

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World Journal of Clinical Cases 2024年第22期12卷 5263-5270页

作者： jia-Wei cai Meng-Yao Li Wei-Hao Wang Hong-Qi Shi Yi-Hui Yang jia-Jun Chen Department of Pathology Jinhua HospitalJinhua 321000Zhejiang ProvinceChina Department of Pathology Shaoxing People’s HospitalShaoxing 312000Zhejiang ProvinceChina Department of Urology Shaoxing People's HospitalShaoxing 312000Zhejiang ProvinceChina

BACKGROUND Blastic plasmacytoid dendritic cell neoplasm(BPDCN)is a rare and clinically aggressive hematologic malignancy originating from the precursors of plasmacytoid dendritic *** often involves the skin,lymph nodes,and bone marrow,with rapid clinical progression and a poor *** BPDCN diagnosis is mainly based on the *** SUMMARY In this paper,we retrospectively analyzed 2 cases of *** patients were elderly *** lesions manifested as skin *** manifestations included diffuse and dense tumor cell infiltration of the dermis and subcutaneous *** staining showed that cluster of differentiation CD4,CD56,CD43,and CD123 were *** In this paper,we retrospectively analyzed 2 cases of *** patients were elderly *** lesions manifested as skin *** manifestations included diffuse and dense tumor cell infiltration of the dermis and subcutaneous *** staining showed that cluster of differentiation CD4,CD56,CD43,and CD123 were positive.

关键词： Blastic plasmacytoid dendritic cell neoplasm Skin Clinical pathology Immunophenotype Hematopoietic stem cell transplantation Case report

Fractional order distance regularized level set method with bias correction

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The Journal of China Universities of Posts and Telecommunications 2024年第1期31卷 64-82页

作者： cai xiumei He Ningning Wu Chengmao Liu xiao Liu Hang School of Automation Xi'an University of Posts and TelecommunicationsXi'an 710121China School of Electronic Engineering Xi'an University of Posts and TelecommunicationsXi'an 710121China

The existing level set segmentation methods have drawbacks such as poor convergence,poor noise resistance,and long iteration *** this paper,a fractional order distance regularized level set segmentation method with bias correction is *** method firstly introduces fractional order distance regularized term to punish the deviation between the level set function(LSF)and the signed distance *** a series of covering template is constructed to calculate fractional derivative and its conjugate of image *** introducing the offset correction term and fully using the local clustering property of image intensity,the local clustering criterion of image intensity is defined and integrated with the neighborhood center to obtain the global criterion of image ***,the fractional distance regularization,offset correction,and external energy constraints are combined,and the energy optimization segmentation method for noisy image is established by level *** results show that the proposed method can accurately segment the image,and effectively improve the efficiency and robustness of exiting state of the art level set related algorithms.

关键词： image segmentation fractional order distance regularization level set function fractional derivative bias correction

Correlation between carbon emissions,fuel consumption of vehicles and speed limit on expressway

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Journal of Traffic and Transportation Engineering(English Edition) 2024年第4期11卷 631-642页

作者： Chao Gao Jinliang Xu Miao jia Zhenhua Sun School of Highway Chang'an UniversityXi'an 710064China Shaoxing Communications Investment Group Co. Ltd.Shaoxing 312000China

This paper aimed to investigate the correlation between carbon emissions,fuel consumption,and speed limit.A theoretical model was derived based on the energy conservation law,which expresses the relationship between vehicle's fuel consumption and ***,a total of 40 sets of fuel consumption data were collected through field tests to verify the accuracy of the theoretical model at different speeds and different road longitudinal slope *** fuel consumption was then converted to carbon emissions according to the carbon emission factors specified by Intergovernmental Panel on Climate Change(IPCC).In the field experiment,two types of cars and trucks,which are most common on the expressways in China,were ***,the travel speed under different posted speed limits was obtained through the previously established model,and the carbon emission changes of different vehicle types at different limited speeds are *** results show that the speed limit has a significant impact on fuel consumption and carbon *** the speed limit increased from 80 to 120 km/h,average vehicle speeds increased about 21%-27%,and fuel consumption and carbon emissions increased from approximately 33%-38%.Another interesting result was that the vehicle's fuel consumption and carbon emissions are only affected by *** results of the study explore the effect of speed limits on carbon emissions and provide evidence for road managers to set reasonable speed limits.

关键词： Vehicle carbon emission Vehicle fuel consumption Posted speed limit Average speed Road longitudinal slope

多无人机吊挂负载运输系统的非线性鲁棒控制设计

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吉林大学学报（工学版） 2024年第6期54卷 1788-1795页

作者：鲜斌王光怡蔡佳明天津大学电气自动化与信息工程学院天津300072

针对多无人机吊挂负载运输系统中负载的位置跟踪和姿态控制问题,提出了一种新型非线性鲁棒控制策略。首先,在存在未知外界扰动和考虑系统内部状态耦合的基础上,基于拉格朗日力学建立了多无人机吊挂负载运输系统的动力学模型。其次,设计... 详细信息

针对多无人机吊挂负载运输系统中负载的位置跟踪和姿态控制问题,提出了一种新型非线性鲁棒控制策略。首先,在存在未知外界扰动和考虑系统内部状态耦合的基础上,基于拉格朗日力学建立了多无人机吊挂负载运输系统的动力学模型。其次,设计了一种基于误差符号函数积分(RISE)和几何控制方法的非线性鲁棒控制策略,用于补偿未知外界扰动的影响,实现了对负载位姿的精确控制。基于Lyapunov方法的稳定性分析证明了闭环系统的稳定性和吊挂负载跟踪误差的渐近收敛。仿真结果表明,本文提出的控制策略可以实现良好的轨迹跟踪效果,并对外界干扰有较好的鲁棒性。

关键词：控制理论与控制工程多无人机吊挂负载几何控制非线性控制鲁棒控制

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“神光Ⅱ”主放大器角变反镜衰减曲线的精密测量

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中国激光 2002年第1期29卷 79-81页

作者：唐立家蔡希洁林尊琪高功率激光物理国家实验室中国科学院上海光学精密机械研究所上海201800

针对“神光Ⅱ”功率平衡控制的要求 ,提出了一种精密测量主放大器角变反镜 (AVM )衰减曲线的方法 ,并建立了一套计算机自动控制的测量装置 ,利用该装置达到了极限相对误差 0 .5 %的测量精度。

关键词：角变反镜衰减曲线透过率测量精度功率平衡激光系统 “神光Ⅱ”主放大器

Normal pregnancy outcome after first-trimester exposure to semaglutide in an overweight woman: a case report

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Clinical Research Communications 2024年第2期7卷 30-33页

作者： xi-Mei Zhu Qian-Yun Huang Yue Chen Ying Zhou cai-Hua Yang Clinical Pharmacy Center Nanfang HospitalSouthern Medical UniversityGuangzhou 510515China Department of Pharmacy Baiyun Branch of Nanfang HospitalSouthern Medical UniversityGuangzhou 510599China

We reported a case of an overweight 34-year-old woman who unexpectedly became pregnant while undergoing semaglutide in early pregnancy and delivered a healthy male infant by caesarean section at 37 weeks and 4 days of *** now,the safety of semaglutide for use during pregnancy was *** report may contribute to the limited knowledge available on pregnant women exposure to semaglutide.

关键词： case report glucagon-like peptide-1 receptor agonist semaglutide normal pregnancy outcome

Climate warming is significantly influenced by rising summer maximum temperatures: insights from tree-ring evidence of the Western Tianshan Mountains, China

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Journal of Forestry Research 2024年第5期35卷 47-59页

作者： Meng Ren Yu Liu Qiufang cai Qiang Li Huiming Song Changfeng Sun The State Key Laboratory of Loess and Quaternary Geology Institute of Earth EnvironmentChinese Academy of SciencesXi’an 710061People’s Republic of China xi’an Institute for Innovative Earth Environment Research Xi’an 710061People’s Republic of China Institute of Desert Meteorology China Meteorological AdministrationÜrümqi 830002People’s Republic of China Center for Excellence in Quaternary Science and Global Change Chinese Academy of SciencesXi’an 710061People’s Republic of China School of Human Settlements and Civil Engineering Xi’an Jiaotong UniversityXi’an 710049People’s Republic of China Qingdao National Laboratory for Marine Science and Technology Qingdao 266237People’s Republic of China

As one of the regions most affected by global cli-mate warming,the Tianshan mountains has experienced sev-eral ecological crises,including retreating glaciers and water *** warming in these mountains is considered mainly to be caused by increases in minimum temperatures and winter temperatures,while the influence of maximum temperatures is *** this study,a 300-year tree-ring chronology developed from the Western Tianshan Moun-tains was used to reconstruct the summer(June-August)maximum temperature(T_(max6-8))variations from 1718 to *** reconstruction explained 53.1% of the variance in the observed T_(max6-8).Over the past 300 years,the T_(max6-8)reconstruction showed clear interannual and decadal *** was a significant warming trend(0.18°C/decade)after the 1950s,which was close to the increasing rates of the minimum and mean *** increase in maximum temperature was also present over the whole Tianshan mountains and its impact on climate warming has *** T_(max6-8) variations in the Western Tianshan mountains were influenced by frequent volcanic eruptions combined with the influence of solar activity and the sum-mer North Atlantic *** study reveals that cli-mate warming is significantly influenced by the increase in maximum temperatures and clarifies possible driving mech-anisms of temperature variations in the Western Tianshan mountains which should aid climate predictions.

关键词： Tree rings Western Tianshan mountains Temperature change Climate warming