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45篇 您的检索式:作者名="Shafiqul"
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1Watering techniques and zero-valent iron biochar pH effects on As and Cd concentrations in rice rhizosphere soils,tissues and yield显示文摘Zero-valent iron amended biochar(ZVIB)has been proposed as a promising material in immobilizing heavy metals in paddy fields.In this study,the impacts of p H of ZVIB(p H 6.3 and p H 9.7)and watering management techniques(watering amount in the order of CON(control,5/72)>3/72>1-3/72>3/100>1/72,with 5/72,for example,representing irrigation given to 5 cm above soil surface in 72 hr regular interval)on As and Cd bioavailability for rice and its grain yield(Yield BR)were investigated in a pot experiment.Brown rice As(As BR)content was irrelative to the watering treatments,while significantly decreased(>50%)with the addition of both ZVIB materials.The diminutions of brown rice Cd(Cd BR)content as well as the Yield BR were highly dependent on both the soil amendment materials’p H and watering amount.Among all the watering treatments,3/72 treatment(15%less irrigation water than the CON)with ZVIB 6.3 amendment was the optimum fit for simultaneous reduction of As BR(50%)and Cd BR contents(19%)as well as for significant increment(12%)of the Yield BR.Although high pH(9.7)ZVIB application could also efficiently decrease As and Cd contents in brown rice,it might risk grain yield lost if appropriate(e.g.3/72 in our study)watering management technique was not chosen.Therefore,ZVIB would be an environmentally friendly option as an amendment material with proper selection of watering management technique to utilize As and Cd co-contaminated arable soils safely for paddy cultivation.Md Shafiqul Islam Yali Chen Liping Weng Jie Ma Zulqarnain Haider Khan Zhongbin Liao Abdoul Salam Issiaka Abdoul Magid Yongtao Li 2021Journal of Environmental Sciences2021,33,2:9
2TA1/5A06同质自冲铆接头的力学性能显示文摘为了进一步研究自冲铆接技术在航空航天领域的应用,选用TA1钛合金和5A06铝合金航空合金薄板材料作为基板,采用自冲铆接技术进行连接,并通过拉伸试验和扫描电镜试验对接头的静力学性能及微观组织进行系统的研究。结果表明:同质接头的成形对称性良好,铆接较硬板材时易出现空腔;基板的自身性能对接头静载强度的影响较大;5A06-5A06接头的失效位移最大,上板拉脱是由于铆钉周围产生了微裂纹;TA1-TA1接头的静失效载荷最大,缓冲吸震性能较好,其接头铆钉的断裂形式为沿晶断裂和显微孔穴聚集共同作用的混合型断裂。郭子鑫 赵伦 郭媛媛 齐晓志 刘纪元 霍小乐 林森 Md Shafiqul Islam 2022锻压技术2022,47,12:3
3Source identification, contamination status and health risk assessment of heavy metals from road dusts in Dhaka, Bangladesh显示文摘In this study, concentrations of Cr, Mn, Ni, Cu, Zn, Cd and Pb were determined in road dusts collected from different locations in Dhaka to assess source, contamination status and health risk. Energy-dispersive X-ray fluorescence spectroscopy and energy-dispersive X-ray spectroscopy were used to determine Cr, Mn, Ni, Cu, Zn, Cd and Pb and their mean concentrations were 162.27 ± 29.46, 721.18 ± 180.14, 35.65 ± 12.55, 104.56 ± 128.33, 515.32 ± 321.90,BDL, and 342.82 ± 591.20 mg/kg, respectively. Among the heavy metals, highest concentrations of Cu, Zn and Pb were found at urban sites-7(municipal waste dumping) and 8(medical waste incineration). Highest concentration of Cr followed by Cu and Zn was found at site-5(Tejgaon, urban). Principal component analysis revealed that anthropogenic activities are the potential sources for Cr, Ni, Cu, Zn and Pb while earth crust for Mn. Pollution index and pollution load index results suggested that all the sites were contaminated and/or degraded by Cr, Cu, Zn and Pb except sites-9(urban), 10(sub-urban), 11(rural) while sites-7 and 8(urban) were extremely degraded. For noncarcinogenic health risk, hazard quotient values for dermal were higher compared to that of inhalation/ingestion. Though hazard index values were less than 1 at all the sites, these were at least one order of magnitude higher for children group than that of adult group, thus the children group may face more noncarcinogenic health risk at sites -7 and 8. Values of incremental lifetime cancer risk were from 10to 10showed no carcinogenic health risk by road dusts contaminated with the heavy metals.Aklima Nargis Ahsan Habib Md Nazrul Islam Kai Chen Md Shafiqul Islam Sarker A N M Al-Razee Wenbin Liu Guorui Liu Minggang Cai 2022Journal of Environmental Sciences2022,34,11:3
4孟加拉吉大港动物园恒河猕猴发生具有公共卫生重要性的结核病(英文)显示文摘本调查自2012年7月至2012年9月在孟加拉吉大港动物园进行,确诊猴发生结核病。发病猴共46只,10至21月龄恒河猕猴表现出反应迟钝、明显消瘦的症状,皮内注射结核菌素,隔离检疫3天,仅有7只猴(15.22%)表现阳性结果。结核菌素阳性动物中,5只在一个月内死亡,剖检检查在肺脏发现结核结节。肺脏样品萋尼氏抗酸染色和组织病理学检查,在染片中观察到抗酸染色的结核分枝杆菌,组织病理学观察到淋巴细胞、嗜中性白细胞和实质中高度增生的纤维组织围绕着上皮样巨噬细胞形成结核性肉芽肿,肺脏的肺泡壁增厚。上述检查结果证明猕猴发生结核病。Md Shafiqul Islam Khan Farzana Islam Rume Md Mongur Morshed Chowdhury Mussammet Rasheda Begum Md Robiul Karim 2014中国人兽共患病学报2014,30,9:1
5A review of the biology of bovine herpesvirus type 1(BHV-1),its role as a cofactor in the bovine respiratory disease complex and development of improved vaccines显示文摘Clinton J Shafiqul C 0,,02:1
6Extraction of rhodium from other platinum group metal with KELEX 100 from chloride media containing tin显示文摘Shafiqul Alam Katsutoshi Inoue 1997Hydrometallurgy1997,46,:1
7Anatomy of coupled constitutive models for ratcheting simulation显示文摘Shafiqul Bari Tasnim Hassan 2000International Journal of Plasticity2000,,3:1
8A methodology for estimation of surface evaporaton over large areas using remote sensing observations显示文摘Le J Shafiqul I 1999Geopgysical Research Letters1999,26,17:1
9Estimation of suface evaporation map over southern Great Plain using remote sensing data显示文摘Le J Shafiqul I 2001Water Resources Research2001,37,2:1
10Experimental analysis of turbulent flow structure in a fully developed rib-roughened rectangular channel with PIV显示文摘SHAFIQUL I M HAGA K 2002Experiments in Fluids2002,33,2:1
11Estimation of soil physical properties using remote sensing and artificial neural network显示文摘Dyi Huey Chang Shafiqul I 2000Remote Sensing of Environment2000,74,:1
12Estimation of soil physical properties using remote sensing and artificial neural network 显示文摘Dyi Huey Chang Shafiqul Islam 2000Remote Sensing of Environment2000,74,:1
13Estimation of the net radiation using MODIS(Moderate Resolution Imaging Spectroradiometer)data for clear sky days显示文摘Gautam B Virginia V Shafiqul I 2005Remote Sensing of Environment2005,97,1:1
14Estimation of surface evaporation map over southern Great Plains using remote sensing data 显示文摘JIANG L SHAFIQUL I 2001Water Resources Research2001,37,2:1
15Prevalence ofHelicobacter pylori infection in infants and family contacts in a poor Bangladesh community显示文摘Dr. Shafiqul A. Sarker MD Mohammad M. Rahman MBBS Dilip Mahalanabis FRCP Pradip K. Bardhan MD Pius Hildebrand MD Christopher Beglinger MD Klaus Gyr MD 1995Digestive Diseases and Sciences1995,,12:1
16Influence of H elicobacter pylori Infection on Gastric Acid Secretion in Pre‐School B angladeshi Children显示文摘Shafiqul A. Sarker Shamima Sultana Samima Sattar Tahmeed Ahmed Christoph Beglinger Niklaus Gyr George J. Fuchs 2012Helicobacter2012,,5:1
17显示文摘GHIGGINO K P HUTCHISON J A SHAFIQUL D M 2006Photochemical& Photobiological Sciences2006,5,16:1
18Tests on slab-column connections with shear and unbalanced flexure 显示文摘Shafiqul Islam Robert Park 1976Journal of the Structural Division ASCE1976,102,3:1
19Comparison of evaporative fractions estimated from AVHRR and MODIS sensors over South Florida显示文摘Virginia Venturinia Gautam Bishta Shafiqul Islama 2004Remote Sensing of Environment2004,93,:1
20Geochemical analysis of the Mio- cene Surma Group sediments from the Meghna Gas Field, Ben- gal Basin, Bangladesh 显示文摘Shafiqul I M Rahman M J J 2009Jahangimagar University Journal of Science2009,32,1:1
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