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| 1 | Kinetic 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 | 2009 | Journal of Environmental Sciences2009，21，4： | 15 |
| 2 | Real time endoscopic ultrasound elastography and strain ratio in the diagnosis of solid pancreatic lesions显示文摘AIM To evaluate the accuracy of the elastography score combined to the strain ratio in the diagnosis of solid pancreatic lesions(SPL). METHODS A total of 172 patients with SPL identified by endoscopic ultrasound were enrolled in the study to evaluate the efficacy of elastography and strain ratio in differentiating malignant from benign lesions. The semi quantitative score of elastography was represented by the strain ratio method. Two areas were selected, area(A) representing the region of interest and area(B) representing the normal area. Area(B) was then divided by area(A). Sensitivity, specificity, positive predictive value(PPV), negative predictive value(NPV), and accuracy were calculated by comparing diagnoses made by elastography, strain ratio and final diagnoses.RESULTS SPL were shown to be benign in 49 patients and malignant in 123 patients. Elastography alone had a sensitivity of 99%, a specificity of 63%, and an accuracy of 88%, a PPV of 87% and an NPV of 96%. The best cut-off level of strain ratio to obtain the maximal area under the curve was 7.8 with a sensitivity of 92%, specificity of 77%, PPV of 91%, NPV of 80% and an accuracy of 88%. Another estimated cut off strain ratio level of 3.8 had a higher sensitivity of 99% and NPV of 96%, but with less specificity, PPV and accuracy 53%, 84% and 86%, respectively. Adding both elastography to strain ratio resulted in a sensitivity of 98%, specificity of 77%, PPV of 91%, NPV of 95% and accuracy of 92% for the diagnosis of SPL. CONCLUSION Combining elastography to strain ratio increases the accuracy of the differentiation of benign from malignant SPL. | Hussein Okasha Shaimaa Elkholy Ramy El-Sayed Mohamed-Naguib Wifi Mohamed El-Nady Walid El-Nabawi Waleed A El-Dayem Mohamed I Radwan Ali Farag Yahya El-sherif Emad Al-Gemeie Ahmed Salman Mohamed El-Sherbiny Ahmed El-Mazny Reem E Mahdy | 2017 | World Journal of Gastroenterology2017，23，32： | 11 |
| 3 | A tractor-mounted,automated soil penetrometershearometer unit for mapping soil mechanical properties显示文摘 | BOON N E YAHYA A | 2005 | Biosystems Engineering2005，90，4： | 1 |
| 4 | Crosslinked electrospun PVA nanofibrous membranes: Elu- cidation of their physicochemical, physicomechanieal and molecular disposition显示文摘 | Rubina P Shaikh Pradeep Kumar Yahya E Choonara | 2012 | Biofabrication2012，4，02： | 1 |
| 5 | Preparation and viscosity behavior of hydrophobically modified poly(vinyl alcohol)(PVA)显示文摘 | Yahya G O Ali Asrof Al-Naafa M A Hamad E Z | 1995 | Journal of Applied Polymer Science1995，57，3： | 1 |
| 6 | Prediction of Machining Accuracy Based on a Geometric Error Model in Five-Axis Peripheral Milling Process 显示文摘 | DING G ZHU S YAHYA E | 2014 | Proceedings of the Institution of Mechanical Engineers Part B :Journal of Engineering Manufacture2014，228，10： | 1 |
| 7 | An iterative current-based hybrid method for complex Structures 显示文摘 | Richard E Hodges Yahya Rahmat Samii | 1997 | IEEE Transactions On Antennas and Propagation1997，45，2： | 1 |
| 8 | Analysis of reciprocity of cosgaussian and cosh-gaussian laser beams in a turbulence atmospheric显示文摘 | Yahya B | 2004 | Optics Express2004，12，20： | 1 |
| 9 | Effect of dimensions of multi-walled carbon nanotubes on its enrichment efficiency of metal ions from environmental water显示文摘 | AMJADH E JAMALA S YAHYAS A | 2007 | Anal Chim Acta2007，604，2： | 1 |
| 10 | Exploration of the biomacromolecular interactions of an interpenetrating proteo-saccharide hydrogel network at the mucosal interface 显示文摘 | Felix Mashingaidze Yahya E Choonara Pradeep Kumar | 2013 | Journal of Biomedical Materials Research Part A2013，101，12： | 1 |
| 11 | Tracking Bacillus cereus in UF-feta cheese processing line显示文摘 | ZHILA M K HAMID E YAHYA M | 2014 | International Dairy Journal2014，39，： | 1 |
| 12 | Effects of dietary available phosphorus and microbial phytase on growth performance,carcass traits,serum minerals and toe ash content in broiler chicks显示文摘 | BEHNAM B N YAHYA E N MASOUD S | 2012 | International Journal of Agriculture and Biology2012，14，3： | 1 |
| 13 | Detection of mature collagen in human dental enamel显示文摘 | Yahya Acil Ali E Mobasseri Patrick H | 2005 | Calcif Tissue Int2005，76，： | 1 |
| 14 | Analysis of reciprocity of cos-gaussian and cosh-gaussian laser beams in a turbulence atmospheric显示文摘 | Hail T E Yahya B | 2004 | Optics Express2004，12，20： | 1 |
| 15 | Effect of different levels and particle sizes of perlite on carcass characteristics and tibia ash of broiler chicks显示文摘 | HAMID R E A KAMBIZ N A YAHYA E N | | 0，，59： | 1 |
| 16 | Marginal integrity o{ turkom-cera compared to other all-ceramic materials:effect of finish line显示文摘 | AI-Makraman B M Razak A A Abu-Hassan M I Su- laiman E Loon L I Yahya N A | 2011 | Int J Prosthodont2011，24，： | 1 |
| 17 | An iterative current-based hybrid method for complex structures显示文摘 | RICHARD E H YAHYA R S | 1997 | IEEE Trans-AP1997，45，2： | 1 |
| 18 | Human och-ratoxicosis and nephropathy in Egypt:a preliminarystudy显示文摘 | Wafa E W Yahya R S Sobh M A | 1998 | Hum Exp Toxicol1998，17，： | 1 |
| 19 | The definition and characteristics of ubiquitous learning: A discussion显示文摘 | Yahya S Ahmad E A Jalil K A | 2010 | International Journal of Education and Development using Information and Communication Technology2010，，6： | 1 |
| 20 | Effect of solution pH,ionic strength,and temperature on adsorption behavior of reactive dyes on activated carbon显示文摘 | YAHYA S A MUSA I E AMJAD H E | | 0，，01： | 1 |
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