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| 1 | Optimization of Machining Parameters on Surface Roughness in EDM of Ti-6Al-4V Using Response Surface Method显示文摘 | Rahman M.M. Khan Md. Ashikur Rahman Noor M.M. Kadirgama K. Bakar Rosli A | 2011 | Advanced Materials Research2011,,213: | 1 |
| 2 | Optimization of machining parameters on tool wear rate of Ti6A14V through EDM using copper tungsten electrode: a statistical approach 显示文摘 | Rahman M M Md Ashikur Rahman Khan Kadirgama K et al | 2011 | Advance Materials Research2011,,152153: | 1 |
| 3 | 基于Faster R-CNN的城市道路目标检测显示文摘本文针对当前城市道路复杂场景下目标检测精度低下问题,提出了一种多尺度Faster R-CNN模型应用于城市道路目标检测,为提高了特征图卷积后的特征精度,引入了特征金字塔结构,以融合不同尺度特征,以提高检测精度。通过区域建议网络(RPN)解决了区域对物体或背景的判断,同时利用回归模型对目标框进行修正。在BDD 100K数据集进行实验验证,结果表明本文方法与常见的目标检测方法检测的查准均都高。 | ASHIKUR RAHMAN MOHAMMAD 李军 | 2023 | 电子技术与软件工程2023,,1: | 0 |
| 4 | 基于CNN技术和DETR的智能汽车自动驾驶道路智能识别的研究显示文摘文章针对智能汽车自动驾驶道路智能识别的问题,提出了采用DETR模型进行道路智能识别的方法,并对DETR模型进行了改进。在DETR模型基础上,阐述了在道路智能识别复杂问题处理上的不足,针对存在问题,在DETR加入了Swin Transformer模块,提高了道路目标检测性能,同时采用基于多头自注意力机制,实现了道路多目标的高精度识别,达到了模型优化的目的,通过实验与结果分析,将改进后的DETR网络与其他常见的识别算法进行比较,结果表明改进后的DETR网络在准确率、召回率和平均精度均值优于其他模型。 | Ashikur Rahman Mohammad 李军 | 2023 | 长江信息通信2023,36,11: | 0 |
| 5 | Aeromonas veronii isolated from climbing perch(Anabas testudineus)suffering from epizootic ulcerative syndrome(EUS)显示文摘Motile Aeromonads are responsible for various diseases in fishes that cause significant economic losses in aquaculture.Aeromonas spp.are also frequently isolated from fish suffering from Epizootic Ulcerative Syndrome(EUS).The present study was conducted to isolate and identify A.veronii from Vietnam climbing perch(Anabas testudineus)suffering from EUS,evaluate the pathogenicity of the isolates,and find out antibiogram profile and susceptibility of the isolates to medicinal plant extracts.Vietnam climbing perch(A.testudineus)suffering from EUS was collected from fish farms located at Savar,Dhaka and bacteria were isolated from the external ulcerative lesion,and kidney and liver of the infected fish on nutrient agar plates.Preliminary phenotypic identification of the bacterial isolates was performed following morphological,physiological and biochemical characterization tests.The 16S rRNA gene sequencing was accomplished for further molecular identification of five selected isolates.To evaluate the pathogenicity of the isolates in vivo artificial infection challenge test was conducted through immersion method.Another in vivo pathogenicity test was done at three different temperatures(18◦C,28◦C,and 37◦C)to examine the effects of temperature on the pathogenicity of the isolates.Ten commercial antibiotics were used to find out the antibiogram profile of the isolates.Finally,susceptibility of the isolates was screened against 19 medicinal plants extracts.A total of 38 out of 46 isolates isolated from Vietnam climbing perch(A.testudineus)suffering from EUS were phenotypically identified as Aeromonas sp.Five randomly selected isolates were further confirmed as A.veronii by analyzing the 16S rRNA gene sequence homology.The pathogenicity of the isolates was found moderate to high(41%-80%mortality)in the artificially challenged fish.The highest and lowest mortality was obtained in the fish challenged with the isolates BFKA33 and BFKA12,respectively.The isolates were found resistant to several antibiotics,including amoxicillin,ampicillin,penicillin-G,and vancomycin.Nevertheless,extracts of three medicinal plant(Allium sativum,Syzygium aromaticum,and Tamarindus indica)demonstrated antibacterial activity to the isolates(BFKA12,BFKA15,BFKA18,BFKA29,and BFKA33). | Rakib Ehsan Ashikur Rahman Sulav Indra Paul Md.Ali Arman Ador Md.Shameul Haque Tasmina Akter Md.Mahbubur Rahman | 2023 | Aquaculture and Fisheries2023,8,3: | 0 |
| 6 | 新型冠状病毒疫情下护士压力应对资源的概况性综述显示文摘目的在应对新型冠状病毒疫情中护士的心理健康问题只是冰山一角。本研究旨在对新型冠状病毒疫情期间和疫情之后适用于护士的心理应对技术和资源进行综述,以维持医疗系统的复原力。方法文献检索范围包括2020年1月至2021年5月发表的文章,使用Endnote存储和管理。数据综合和审查遵循乔安娜·布里格斯研究所手册和PRISMA-ScR原则。排除多余、无关和不合格的研究,最终纳入13项研究(3613名护士)。结果这些文献中的绝大部分护士为女性且有孩子,主要在重症监护室、急诊室和发热门诊工作。担心家人或同事的安全,以及缺乏安全的工作环境,是发生心理问题的主要原因。另一方面,职业责任感、COVID-19相关培训、工作场所安全、团队精神以及一些放松活动,如深呼吸、读书、看电影和祈祷等,对护士应对压力有益。结论心理健康的护士在面对任何威胁生命的疫情暴发时更具能力和灵活性,即使传染性很强。研究发现,疫情期间的一些应对策略对护士有效,针对特定问题的干预可能效果更好。抗疫战场上的心理健康干预不应滞后,以确保其可行性和有效性,否则整个医疗卫生系统都将受到严重影响。 | Rahman Ashikur | 2022 | International Journal of Nursing Sciences2022,9,2: | 0 |