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Retracted: Analysis of Pathogen Characteristics and Nursing Factors of Tonsil Infection Based on Regression Equation. 收回：基于回归方程的扁桃体感染病原学特征及护理因素分析。
4区 工程技术 Q3 Physics and Astronomy
Scanning
Pub Date : 2023-09-27 eCollection Date: 2023-01-01 DOI: 10.1155/2023/9826924
Scanning
[This retracts the article DOI: 10.1155/2022/3149619.].
[这收回了文章DOI:10.1155/2022/3149619.]。
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引用次数: 0
Retracted: Visual Dissemination of Intangible Cultural Heritage Information Based on 3D Scanning and Virtual Reality Technology. 收回：基于3D扫描和虚拟现实技术的非物质文化遗产信息视觉传播。
4区 工程技术 Q3 Physics and Astronomy
Scanning
Pub Date : 2023-09-27 eCollection Date: 2023-01-01 DOI: 10.1155/2023/9816725
Scanning

[This retracts the article DOI: 10.1155/2022/8762504.].

[这收回了文章DOI:10.1155/2022/8762504.]。
{"title":"Retracted: Visual Dissemination of Intangible Cultural Heritage Information Based on 3D Scanning and Virtual Reality Technology.","authors":"Scanning","doi":"10.1155/2023/9816725","DOIUrl":"10.1155/2023/9816725","url":null,"abstract":"<p><p>[This retracts the article DOI: 10.1155/2022/8762504.].</p>","PeriodicalId":21633,"journal":{"name":"Scanning","volume":"2023 ","pages":"9816725"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10551430/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41178044","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retracted: Nursing Methods and Experience of Local Anesthesia Patients under Arthroscope. 回缩术：关节镜下局部麻醉病人的护理方法和经验。
4区 工程技术 Q3 Physics and Astronomy
Scanning
Pub Date : 2023-09-27 eCollection Date: 2023-01-01 DOI: 10.1155/2023/9836460
Scanning

[This retracts the article DOI: 10.1155/2022/3689344.].

[这收回了文章DOI:10.1155/2022/3689344。]。
{"title":"Retracted: Nursing Methods and Experience of Local Anesthesia Patients under Arthroscope.","authors":"Scanning","doi":"10.1155/2023/9836460","DOIUrl":"10.1155/2023/9836460","url":null,"abstract":"<p><p>[This retracts the article DOI: 10.1155/2022/3689344.].</p>","PeriodicalId":21633,"journal":{"name":"Scanning","volume":"2023 ","pages":"9836460"},"PeriodicalIF":0.0,"publicationDate":"2023-09-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10551520/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41170518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retracted: Magnetic Resonance Imaging Assessment of Fatigue Injury during Exercise. 收缩：运动中疲劳损伤的磁共振成像评估。
4区 工程技术 Q3 Physics and Astronomy
Scanning
Pub Date : 2023-07-19 eCollection Date: 2023-01-01 DOI: 10.1155/2023/9819052
Scanning

[This retracts the article DOI: 10.1155/2022/9971966.].

[这收回了文章DOI:10.1155/2022/9971966.]。
{"title":"Retracted: Magnetic Resonance Imaging Assessment of Fatigue Injury during Exercise.","authors":"Scanning","doi":"10.1155/2023/9819052","DOIUrl":"10.1155/2023/9819052","url":null,"abstract":"<p><p>[This retracts the article DOI: 10.1155/2022/9971966.].</p>","PeriodicalId":21633,"journal":{"name":"Scanning","volume":"2023 ","pages":"9819052"},"PeriodicalIF":0.0,"publicationDate":"2023-07-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10372293/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9909778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retracted: Corner Detection of the Computer VR Microscope Image Based on the 3D Reconstruction Algorithm. 收缩：基于三维重建算法的计算机VR显微镜图像的角点检测。
4区 工程技术 Q3 Physics and Astronomy
Scanning
Pub Date : 2023-07-12 eCollection Date: 2023-01-01 DOI: 10.1155/2023/9782473
Scanning

[This retracts the article DOI: 10.1155/2022/8621103.].

[这收回了文章DOI:10.1155/2022/8621103.]。
{"title":"Retracted: Corner Detection of the Computer VR Microscope Image Based on the 3D Reconstruction Algorithm.","authors":"Scanning","doi":"10.1155/2023/9782473","DOIUrl":"10.1155/2023/9782473","url":null,"abstract":"<p><p>[This retracts the article DOI: 10.1155/2022/8621103.].</p>","PeriodicalId":21633,"journal":{"name":"Scanning","volume":"2023 ","pages":"9782473"},"PeriodicalIF":0.0,"publicationDate":"2023-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10356427/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9850279","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retracted: Comparative Study of Macular Vascular Density and Retinal Thickness in Myopia Children with Different Microscope Diopters Based on OCTA. 回缩：基于OCTA的不同屈光度近视儿童黄斑血管密度和视网膜厚度的比较研究。
4区 工程技术 Q3 Physics and Astronomy
Scanning
Pub Date : 2023-07-12 eCollection Date: 2023-01-01 DOI: 10.1155/2023/9823654
Scanning

[This retracts the article DOI: 10.1155/2022/5038918.].

[这收回了文章DOI:10.1155/2022/5038918.]。
{"title":"Retracted: Comparative Study of Macular Vascular Density and Retinal Thickness in Myopia Children with Different Microscope Diopters Based on OCTA.","authors":"Scanning","doi":"10.1155/2023/9823654","DOIUrl":"10.1155/2023/9823654","url":null,"abstract":"<p><p>[This retracts the article DOI: 10.1155/2022/5038918.].</p>","PeriodicalId":21633,"journal":{"name":"Scanning","volume":"2023 ","pages":"9823654"},"PeriodicalIF":0.0,"publicationDate":"2023-07-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10356540/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9847606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Retracted: Construction of Biologic Microscopic Image Segmentation Model Based on Smoothing of Fourth-Order Partial Differential Equation. 撤回：基于四阶偏微分方程平滑的生物显微图像分割模型的构建。
4区 工程技术 Q3 Physics and Astronomy
Scanning
Pub Date : 2023-07-12 eCollection Date: 2023-01-01 DOI: 10.1155/2023/9763981
Scanning

[This retracts the article DOI: 10.1155/2022/1908644.].

[这收回了文章DOI:10.1155/2022/1908644.]。
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引用次数: 0
Influence of the Volute Tongue Shape on Cavitation Performance in Aviation Fuel Centrifugal Pump 航空燃油离心泵蜗壳舌形对空化性能的影响
4区 工程技术 Q3 Physics and Astronomy
Scanning
Pub Date : 2023-02-22 DOI: 10.1155/2023/7189771
Siwei Zhao, Yiming Li, Ling Zhang, K. Wang, Guangzhao Luo
During the operation of an aviation fuel centrifugal pump, the performance of the pump dropped sharply due to cavitation, which caused cavitation damage near the volute tongue, which seriously threatened the safe and stable operation of the aircraft. According to the characteristics that the cavitation in the volute tongue region occurs in large flow rate, the volute tongue shape of aviation fuel centrifugal pump was improved in this paper, and the influence of the volute tongue shape on the cavitation characteristics of aviation fuel centrifugal pump at 1.2 times of design flow rate was studied. The research shows that under 1.2 times of design flow rate, the critical cavitation number of the improved volute tongue shape is reduced by 7.4% compared with the original scheme. The improved volute tongue effectively suppresses the generation of cavitation in the volute tongue region. The vortex core distribution area is reduced compared to the original scheme. When the cavitation number is low, doubling the axial passing frequency on the pressure pulsation spectrum at the monitoring point of the volute tongue is obviously weakened.
某型航空燃油离心泵在运行过程中，由于空化导致泵性能急剧下降，在蜗壳隔舌附近造成空化损伤，严重威胁到飞机的安全稳定运行。根据大流量时蜗壳隔舌区发生空化的特点，本文对航空燃油离心泵的蜗壳隔舌形状进行了改进，研究了在1.2倍设计流量时蜗壳隔舌形状对航空燃油离心泵空化特性的影响。研究表明，在1.2倍设计流量下，改进蜗壳舌形的临界空化数比原方案降低了7.4%。改进的蜗壳舌有效地抑制了蜗壳舌区空化的产生。与原方案相比，涡核分布面积减小。当空化数较低时，蜗壳隔舌监测点压力脉动谱上轴向通过频率加倍明显减弱。
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引用次数: 0
Helium Ion Microscopy and Sectioning of Spider Silk. 蜘蛛丝的氦离子显微镜和切片。
4区 工程技术 Q3 Physics and Astronomy
Scanning
Pub Date : 2023-01-01 DOI: 10.1155/2023/2936788
Irina Iachina, Jonathan R Brewer, Horst-Günter Rubahn, Jacek Fiutowski

Focused ion beams have recently emerged as a powerful tool for ultrastructural imaging of biological samples. In this article, we show that helium ion microscopy (HIM), in combination with ion milling, can be used to visualize the inner structure of both major and minor ampullate silk fibers of the orb-web weaving spider Nephila madagascariensis. The internal nanofibrils were imaged in pristine silk fibers, with little or no damage to the sample structure observed. Furthermore, a method to cut/rupture the fibers using He+ ions combined with internal sample tension is presented. This showed that the stretching and rupturing of spider silk is a highly dynamic process with considerable material reorganization.

聚焦离子束最近成为生物样品超微结构成像的有力工具。在本文中，我们展示了氦离子显微镜(HIM)，结合离子铣削，可以可视化的主要和次要壶腹丝纤维的内部结构的球形织网蜘蛛Nephila madagascar。在原始丝纤维中对内部纳米原纤维进行成像，观察到的样品结构很少或没有损坏。此外，还提出了一种利用He+离子结合试样内部张力切割/断裂纤维的方法。这表明蛛丝的拉伸和断裂是一个高度动态的过程，具有相当大的材料重组。
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引用次数: 0
Retracted: Effect of Nursing Intervention on Coronary CT Angiography in Elderly Patients. 缩回:护理干预对老年患者冠状动脉CT造影的影响。
4区 工程技术 Q3 Physics and Astronomy
Scanning
Pub Date : 2023-01-01 DOI: 10.1155/2023/9892328
Scanning

[This retracts the article DOI: 10.1155/2022/3663285.].

[本文撤回文章DOI: 10.1155/2022/3663285.]。
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引用次数: 0
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