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480篇 您的检索式:作者名="Mohammed Z"
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1Kinetic adsorption of application of carbon nanotubes for Pb(Ⅱ) removal from aqueous solution显示文摘The capability of carbon nanotubes (CNTs) to adsorb lead (Pb) in aqueous solution was investigated. Batch mode adsorption experiment was conducted to determine the effects of pH, agitation speed, CNTs dosage and contact time. The removal of Pb(Ⅱ) reached maximum value 85% or 83% at pH 5 or 40 mg/L of CNTs, respectively. Higher correlation coeffcients from Langmuir isotherm model indicates the strong adsorptions of Pb(Ⅱ) on the surface of CNTs (adsorption capacity Xm = 102.04 mg/g). The results indicates that the highest percentage removal of Pb (96.03%) can be achieved at pH 5, 40 mg/L of CNTs, contact time 80 min, and agitation speed 50 r/min.Nassereldeen A Kabbashi Muataz A Atieh Abdullah Al-Mamun Mohamed E S Mirghami MD Z Alam Noorahayu Yahya 2009Journal of Environmental Sciences2009,21,4:15
2'To-and-fro' waveform in the diagnosis of arterial pseudoaneurysms显示文摘Medical ultrasound imaging with Doppler plays an essential role in the diagnosis of vascular disease. This study intended to review the clinical use of 'to-and-fro' waveform at duplex Doppler ultrasonography(DDU) in the diagnosis of pseudoaneurysms in the arterial vessels of upper and lower extremities, abdominal aorta, carotid and vertebral arteries as well as to review our personal experiences of 'to-and-fro' waveform at DDU also. After receiving institutional review board approval, an inclusive literature review was carried out in order to review the scientific foundation of 'toand-fro' waveform at DDU and its clinical use in the diagnosis of pseudoaneurysms in various arterial vessels. Articles published in the English language between 2000 and 2013 were evaluated in this review study. Pseudoaneurysms in arterial vessels of the upper and lower extremities, abdominal aorta, carotid and vertebral arteries characterized by an extraluminal pattern of blood flow, which shows variable echogenicity, interval complexity, and 'to-and-fro' flow pattern on color Doppler ultrasonography. In these arterial vessels, Duplex ultrasonography can demonstrate the degree of clotting, pseudoaneurysm communication, the blood flow patterns and velocities. Spectral Doppler applied to pseudoaneurysms lumen revealed systolic and diastolic turbulent blood flow with traditional 'toand-fro' waveform in the communicating channel. Accurate diagnosis of pseudoaneurysm by spectral Doppler is based on the documentation of the 'to-andfro' waveform. The size of pseudoaneurysm determines the appropriate treatment approach as surgical or conservative.Mustafa Z Mahmoud Mohammed Al-Saadi Abdulwahab Abuderman Khalid S Alzimami Mohammed Alkhorayef Babikir Almagli Abdelmoneim Sulieman 2015World Journal of Radiology2015,7,5:3
3Effectiveness and time-course adaptation of resistance training vs. plyometric training in prepubertal soccer players显示文摘Purpose:This study aimed to assess the effectiveness and time course for improvements in explosive actions through resistance training(RT)vs.plyometric training(PT)in prepubertal soccer players.Methods:Thirty-four male subjects were assigned to:a control group(n=11);an RT group(5 regular soccer training sessions per week,n=12);a PT group(3 soccer training sessions and 2 RT sessions per week,n=11).The outcome measures included tests for the assessment of muscle strength(e.g.,1 repetition maximum half-squat test),jump ability(e.g.,countermovement jump,squat jump,standing long jump,and multiple 5 bounds test),linear speed(e.g.,20m sprint test),and change of direction(e.g.,Illinois change of direction test).Results:The RTG showed an improvement in the half-squat(△=13.2%;d=1.3,p<0.001)and countermovement jump(△=9.4%;d=2.4,p<0.001)at Week 4,whereas improvements in the 20-m sprint(△=4.2%;d=1.1,p<0.01);change of direction(CoD)(△=3.8%;d=2.1,p<0.01);multiple 5 bounds(△=5.1%;d=1.5,p<0.05);standing long jump(△=7.2%;d=1.2,p<0.01);squat jump(△=19.6%;d=1.5,p<0.01);were evident at Week 8.The PTG showed improvements in CoD(△=2.1%;d=1.3,p<0.05);standing long jump(△=9.3%;d=1.1,p<0.01);countermovement jump(△=16.1%;d=1.2,p<0.01);and squat jump(△=16.7%;d=1.4,p<0.01);at Week 8 whereas improvements in the 20-m sprint(△=4.1%;d=1.3,p<0.01);and multiple 5 bounds(△=7.4%;d=2.4,p<0.001);were evident only after Week.The RT and PT groups showed improvements in all sprint,CoD,and jump tests(p<0.05)and in half-squat performance,for which improvement was only shown within the RTG(p<0.001).Conclusion:RT and PT conducted in combination with regular soccer training are safe and feasible interventions for prepubertal soccer players.In addition,these interventions were shown to be effective training tools to improve explosive actions with different time courses of improvements,which manifested earlier in the RTG than in the PTG.These outcomes may help coaches and fitness trainers set out clear and concise goals of training according to the specific time course of improvement difference between RT and PT on proxies of athletic performance of prepubertal soccer players.Yassine Negra Helmi Chaabene Thomas Stöggl Mehréz Hammami Mohamed Souhaiel Chelly Younés Hachana 2020Journal of Sport and Health Science2020,9,6:3
4贝尔麻痹影响大脑默认模式网络的功能连接(英文)显示文摘目的贝尔麻痹是一种常见的特发性面神经病变,导致病变侧的面部肌肉运动功能丧失。作者探讨了贝尔麻痹对大脑默认模式网络(DMN)功能连接的影响。材料与方法使用1.5 T MR成像仪获取静息态f MRI数据,包括健康志愿者35名及不同病理状态下的面瘫患者52例次。使用双重回归独立成分分析方法处理数据。结果发现面瘫不同病理状态下DMN的功能连接发生了不同的变化。在面瘫疾病早期,DMN功能连接在右侧初级感觉皮层、初级运动皮层、背外侧前额叶显著增强;在面瘫后期,DMN功能连接在双侧中扣带回、楔前叶、右侧富内侧前额叶、后扣带回显著增强;在面瘫康复后,DMN功能连接在左侧舌回、小脑显著增强。结论在面瘫不同病理阶段,DMN的功能连接存在着明显的不同,涉及到感觉运动,运动映射,情感以及认知等不同功能脑区。Abdalla Z Mohamed Chuanfu Li Jeungchan Lee Seulgi Eun Yifang Zhu Yuanyuan Wu Jun Yang Kyungmo Park 2014磁共振成像2014,5,6:2
5显示文摘 Mohamed Ali A Jansens P J 2004Chemical Engineering and Processing2004,43,:1
6Lipid lowering effect of antioxidant alpha-lipoic acid in experimental atherosclerosis显示文摘Amom Z Zakaria Z Mohamed J 2008J Clin Biochem Nutr2008,43,2:1
7Influence of calcium on hot ductility of steels 显示文摘Mintz B Mohamed Z Abushosha R 1989Materials Science and Technology1989,5,7:1
8Antimicrobial and protease inhib- itory functions of the human cathelicidin (hCAP18/LL-37) prosequence 显示文摘Mohamed Z Victor N et ol 2003J Invest Derrrurtol2003,120,5:1
9Effects of Vacuum Heat Treatment on the Photoelectric Work Function and Surface Morphology of Multilayered Silver-metal Electrical Contacts显示文摘Mohamed A Ai'ssa B Noureddine Z 2014Applied Surface Science2014,303,:1
10Effect of content and particle size distribution of coarse aggregate on the compressive strength of concrete 显示文摘I Mohammed S M Salim Z Said B 2009Construction and Building Materials2009,,10:1
11Fuzzy logic control based maximum power tracking of a wind energy system 显示文摘Mohamed A Z 2001Renewable Energy2001,23,:1
12Fuzzy logic control based maximum power tracking of a wind energy system显示文摘Mohamed A Z Eskander M N Ghali F A 2001Renewable Energy2001,23,2:1
13Factors influencing strategic alliance outcomes in a manufacturing supply chain : role of alliance motives, interdependence, asset specificity and relational capital 显示文摘SAMBASIVAN M SIEW-PHAIK L MOHAMED Z A etal 2013Internationl Journal Production Econom- ics2013,141,1:1
14Constrained optimization based on modified differential evolution algorithm显示文摘MOHAMED A W SABRY H Z 2012Information Science2012,,194:1
15Ash of palm empty fruit bunch as a natural catalyst for promoting the CO2 gasification reactivity of biomass char显示文摘LAHIJANI P ZAINAL Z A MOHAMED A R MOHAMMADI M 2013Bioresource Technol2013,132,:1
16Experimental characterization and CFD simulation of gas distribution performance of liquid redistributors and collectors in packed columns显示文摘Mohamed Ali A Janses P Olujic Z 2003Chemical Engineering Research and Design2003,81,:1
17The impact of machine flexibility on the performance of flexible manufacturing systems显示文摘 2001International Journal of Operations & Production Management2001,21,56:1
18Vibration control of a very flexible manipulator system显示文摘Mohamed Z Martins J M Tokhi M O 2005Con- trol Engineering Practice2005,13,3:1
19Enhancement of titania by doping rare earth for photodegradation of organic dye (Direct Blue) 显示文摘El-Bahy Z M Ismail A A Mohamed R M 2009Journal of Hazardous Materials2009,166,1:1
20Techniques for vibration control of a flexible robot manipulator显示文摘Mohamed Z Chee A K Mohd-Hashim A W I 2006Robotica2006,24,:1
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