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[学位论文] 作者:Kabir Ahmed,
来源: 年份:2022
智能设备在我们周围随处可见,帮助和发展我们完成不同的任务(模型),它们已经被编程、训练了。与现实世界的智能系统场景一起工作,主要用于智能工厂、交通和机器人等。基于视觉和学习思想,既需要收集与任务相关的信息,也需要帮助解决任务的知识。不同的任务根据不......
[期刊论文] 作者:Muzaffar Mushtaq,Shabir Ahmed Dhar,Tariq Ahmed Bhat,Tahir Ahmed Dar,
来源: 年份:2022
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[期刊论文] 作者:Kan Wang,Ahmed El-Mowafy,
来源:地球空间信息科学学报(英文版) 年份:2022
The positioning service aided by low Earth orbit (LEO) mega-constellations has become a hot topic in recent years. To achieve precise positioning, accuracy of the LEO clocks is important for single-receiver users. To bridge the gap between ......
Synthesis and study the influence of yttrium doping on band structure,optical,non-linear optical and
[期刊论文] 作者:A.Abdel Moez,Ahmed I.Ali,A.Tayel,
来源:中国物理B(英文版) 年份:2022
Ca12Al14O33 (C12A7) and Y0.02Ca11.98Al14O33 (Y-C12A7) single crystals were grown by using the traveling-solvent floating zone (TSFZ) method.The temperature was increased to avoid the bubbles and cracks which may be formed during the prepara......
[期刊论文] 作者:张鸣,AHMED AHMAD OMAR,
来源:科教导刊-电子版(中旬) 年份:2022
教学方式直接影响学生的学习兴趣和学习效果,也是众多教师探索研究的方向.本文主要探讨了授课过程中理论与实验教学方法相结合,以提高学生对《土木工程材料》学习的兴趣.理论教学是《土木工程材料》的传统教学方式,且目前仍是主要教学方式.但是,采用理论教学方......
Improving of photocatalytic activity of barium ferrate via bismuth and copper co-doping for degradat
[期刊论文] 作者:Hussien Ahmed Abbas,Rabab Ahmed Nasr,Rose-No(e)lie Vannier,Tarek Samir Jamil,
来源:环境科学学报(英文版) 年份:2022
Nanosized Ba1-xBixFe1-xCuxO3 (12-50 nm) with x values of 0,0.01,0.05,and 0.1 system was prepared using the Pechini method.Structural,morphological,surface and optical charac-terizations were performed for the prepared samples.Cubic phase wa......
Application of 3D Static Modelling in Reservoir Characterization:A Case Study from the Qishn Formati
[期刊论文] 作者:Emad A.ABDULLAH,Ahmed ABDELMAKSOUD,Musab A.HASSAN,
来源:地质学报(英文版) 年份:2022
Three-dimensional (3D) static modelling techniques are applied to the characterization of the Qishn Formation(Fm.) in the Sharyoof oil field locating within the Masila basin,southeastern Yemen.The present study was initiated by the seismic ......
Experimental and numerical investigation of zirconium jet performance with different liner shapes de
[期刊论文] 作者:Tamer Elshenawy,Qing-ming Li,Ahmed Elbeih,
来源:防务技术 年份:2022
This paper studies the shaped charge jet performance in terms of different liner shapes including conical,bell,hemispherical and bi-conical liners.The critical angles and the relevant flow velocities for the zir-conium liner material were c......
Energy Theft Detection in Smart Grids:Taxonomy,Comparative Analysis,Challenges,and Future Research D
[期刊论文] 作者:Mohsin Ahmed,Abid Khan,Mansoor Ahmed,Mouzna Tahir,Gwanggil Jeon,Giancarlo Fortino,Francesco Piccialli,
来源:自动化学报(英文版) 年份:2022
Electricity theft is one of the major issues in developing countries which is affecting their economy badly.Especially with the introduction of emerging technologies,this issue became more complicated.Though many new energy theft detection(......
C0818,a novel curcumin derivative,induces ROS-dependent cytotoxicity in human hepatocellular carcino
[期刊论文] 作者:Ahmed Attia Ahmed Abdelmoaty,Ping Zhang,Wen Lin,Ying-juan Fan,Sheng-nan Ye,Jian-hua Xu,
来源:中国药理学报(英文版) 年份:2022
Heat shock protein 90(Hsp90)is the most common molecular chaperone that controls the maturation of many oncoproteins critical in tumor development.Hsp90 has been considered as a promising target for cancer treatment,but the clinical signifi......
[期刊论文] 作者:Osman M.O.Ramadan,M.Galal El Sherbiny,Ahmed M.Khalil,
来源:地震工程与工程振动(英文版) 年份:2022
Protective compartments are typically used to protect some specific structures from internal explosions, such as industrial buildings that contain devices that may explode in certain circumstances. This research investigates how the respons......
[期刊论文] 作者:张曦,赵飞,Ahmed Abdeltawab,张龙佳,
来源:计量与测试技术 年份:2022
在精密加工中,刀具的破损状态是影响加工质量的关键性因素之一,本文针对加工过程中出现的刀具破损问题,提出了一种均方根值(RMS)的峰值比较检测方法,用于检测铣刀的破损状态,通过采集声发射(AE)信号的均方根值(RMS)作为特征参数,提取加工过程中的信号峰值,比较......
[期刊论文] 作者:王鑫,黄护林,Fawad Ahmed,赵永彬,
来源:太阳能学报 年份:2022
基于Matlab的建模仿真,采用PID调节,设计一种斯特林发动机功率控制方法,对GPU-3β型斯特林发动机以改变压力的方式进行功率调节.根据20组实际数值模拟出传递函数,模拟的数据与真实数据对比符合度高于99%.输入压力值通过传递函数计算得到实际的输出功率,调节输入......
Characterization of some bacterial strains isolated from the Egyptian eastern and northern coastline
[期刊论文] 作者:Mohamed O.Soliman,Waleed B.Suleiman,Mohamed M.Roushdy,Eman N.Elbatrawy,Ahmed M.Gad,
来源:海洋学报(英文版) 年份:2022
Marine microorganisms were considered to be important sources of marine bioactive compounds. The major objective of the study was to isolate and characterize bacteria with antimicrobial activities from the various marine environment of Egyp......
[期刊论文] 作者:S.Wageh,Ahmed A.Al-Ghamdi,Omar A.Al-Hartomy,Maged F.Alotaibi,王临曦,
来源:催化学报 年份:2022
氢气是公认的洁净、高效、可再生的能源载体,有望替代目前广泛使用的化石燃料.太阳能光催化产氢是实现高效、低成本、可持续生产氢能的一种途径.然而,单一组分光催化剂的性能受限于光生电子-空穴的快速复合,并且不能同时满足宽的太阳光吸收范围和强的氧化还原能......
[期刊论文] 作者:Amares Singh,Teow Sinn Khai,Rajkumar Durairaj,Amer Ahmed Qassem Saleh,
来源:哈尔滨工业大学学报(英文版) 年份:2022
In recent years, intensive studies have been carried out to find an alternative for Tin ( Sn)-Lead ( Pb ) solder alloys with increasing demand over lower temperature solder alloys in current electronic packaging industry. High temperature o......
[期刊论文] 作者:Dina Attia,Nadia Abdel Aty,Ahmed Shawket,Ebada Said,Yasser Fouad,
来源:临床与转化肝病杂志(英文版) 年份:2022
To the Editor,rnWe read with great interest the article by Yu et al.1 who reported that the metabolic dysfunction-associated fatty liver disease (MAFLD) criteria are more practical and im-prove the identification of high-risk patients with ......
[期刊论文] 作者:郝欣妮,高艳,Mohammed Ahmed Ebrahim Alaghbari,邹浩,
来源:制造技术与机床 年份:2022
不同型号的汽车保险丝盒结构上存在较大的差异,装配时需要拧紧的螺母规格和种类繁多,人工装配必须使用多把电批轮换进行,不仅效率低而且拧紧力矩也无法精确控制.设计了一种基于扭矩监测的面向多规格螺母的自动拧紧机,可自动实现多规格螺母的上料、定位、拧紧、......
[期刊论文] 作者:Majed Hamdi Wakid,Angham Ahmed Almakki,Nouf Saleh Alsahaf,Mohammed Ali Almatrafi,
来源:亚太热带医药杂志(英文版) 年份:2022
Rationale:Human myiasis is the invasion of tissue or organs by fly larvae.This could be obligatory,facultative,or accidental.Patient concerns:A 4-year-old Saudi boy complained of fever over the past three days with multiple inflamed painful......
[期刊论文] 作者:张鹏,张峻霞,刘瑞恒,Ahmed Mohamed Moneeb Elsabbagh,
来源:中国生物医学工程学报 年份:2022
为了提高人体肌电信号对于下肢动作识别的准确率,提出一种基于遗传算法(GA)优化的径向基(RBF)神经网络分类模型.通过采集人体日常8种下肢动作的表面肌电信号并选择“sym6”系小波函数对肌电信号进行滤波预处理,使用主成分分析法(PCA)对时频域特征降维,把特征向......
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