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| 1 | Mechanical and corrosion properties of partially degradable bone screws made of pure iron and stainless steel 316L by friction welding显示文摘This paper reports a series of in vitro, ex vivo and in vivo mechanical and corrosion studies of pin and screw prototype made of friction welded pure iron and 316 L type stainless steel aiming to evaluate the applicability of the partially removable bone screws. Results showed that the pin possesses bending, tensile and torsional strengths of1706±147, 666±7 and 0.34±0.03 MPa, respectively. The pin degraded at an average weight loss rate of 17.15×10-5 g cm-2 day-1 and released Fe ions at an average concentration of 2.38 ppm. Plastic deformation induced by torsion increased the corrosion rate of the pin from 0.0014 to 0.0137 mm year-1.The maximum pull-out load of the screw prototypes was3800 N with a calculated failure strength by shear load equal to22.2 k N which is higher than the strength of the cortical bone.Detailed analysis of the rat's blood cells during 60 days of the pin implantation indicated a normal response with low neutrophils/lymphocytes ratio of 0.3-0.5. Iron ion concentration in the rat's blood slightly increased from 55 to 61 ppm without affecting the tissue recovering and healing phase. Histological evaluation confirmed the presence of macrophage cells as a normal response to the released iron particles around the iron section of the pin. | Ahmad Kafrawi Nasution Mokhamad Fakhrul Ulum Mohammed Rafiq Abdul Kadir Hendra Hermawan | 2018 | Science China Materials2018，61，4： | 3 |
| 2 | Fuzzy critical path method 显示文摘 | Nasution S H | 1994 | IEEE Transaction on System Man and Cybernetics1994，24，1： | 1 |
| 3 | Multiplex PCR for the detection of urogenital pathogens in mothers and newborns 显示文摘 | Nasution TA Cheong SF Lira CT | 2007 | Malaysian J Pathol2007，29，1： | 1 |
| 4 | Fuzzy critical path method 显示文摘 | Nasution S H | 1994 | IEEE Transactions on Systems Man and Cybernetics1994，24，1： | 1 |
| 5 | Effect of copper species in a photocatalytic synthesis of methanol from carbon dioxide over copper- doped titania catalysts 显示文摘 | Slamet Hosna W Nasution Ezza Purnama | 2009 | World Applied Sciences Journal2009，6，1： | 1 |
| 6 | Monetary cooperation in East Asia 显示文摘 | Anwar Nasution | 2005 | Journal of Asian Economics2005，，16： | 1 |
| 7 | Measurement of intracellular metabolites of primary metabolism and adenine nucleotides in chemostat cultivated Penicillium chrysogenum显示文摘 | Nasution U van Gulik W M Kleijn R J | 2006 | Biotechnol Bioeng2006，94，： | 1 |
| 8 | Supplementation bovine somatotropin effects on milk production,levels of metabolites and hormone metabolism on lactation holstein cows kept in the tropical highlands显示文摘 | Hernawan E Manalu W Nasution S H | 2010 | Universitatea de Stiin(t)e Agricole si Medicinǎ Veterinarǎ Iasi2010，，： | 1 |
| 9 | Fuzzy critical method显示文摘 | Nasution S H | 1994 | IEEE Trans on Systems Man and Cybernetics1994，24，1： | 1 |
| 10 | Amelioration of renal alterations in obese type 2 diabetic mice by vasohibin-1,a negative feedback regulator of angiogenesis显示文摘 | SaitoD MaeshimaY NasuT | 2011 | Am J Physiol Renal Physiol2011，300，4： | 1 |
| 11 | A review on two-phase ejector as an expansion device in vapor compression refrigeration cycle显示文摘 | K Sumeru Nasution F N Ani | | 0，，07： | 1 |
| 12 | Photocatalytic reduction of CO 2 on copper-doped Titania catalysts prepared by improved-impregnation method显示文摘 | Slamet Hosna W. Nasution Ezza Purnama Soleh Kosela Jarnuzi Gunlazuardi | 2005 | Catalysis Communications2005，，5： | 1 |
| 13 | Fuzzy critical path method 显示文摘 | Nasution Sofjan H | 1994 | IEEE Transactions on Systems Man and Cybernetics ( Part A)1994，24，1： | 1 |
| 14 | Vasohibin-1,a negative feedback regulator of angiogenesis,ameliorates renal alterations in a mouse model of diabetic nephropathy显示文摘 | NasuT MaeshimaY KinomuraM | 2009 | Diabetes2009，58，10： | 1 |
| 15 | A review on two-phase ejector as an expansion device in vapor compression refrige- ration cycle 显示文摘 | K Sumeru H Nasution F N Ani | 2012 | Renewable and Sustainable Energy Re- views2012，16，7： | 1 |
| 16 | The negative predictive value of ultrasound-guided 14-gauge core needle biopsy of breast masses:a validation study of 339 cases显示文摘 | Zhang C Lewis DR Nasute P | | 0，，03： | 1 |
| 17 | The influence of hyperglycemia at admission on in-hospital arrhythmia patients with acute coronary syndrome显示文摘 | Zein AF Nasution SA Purnamasari D | 2015 | Acta Med Indones2015，47，4： | 1 |
| 18 | Satellite remote sensing data and their interpretations for geothermal applications: A case study on the Ngada District, central Flores, Indonesia显示文摘 | Urai M Muraoka H Nasution A | 2002 | Bulletin of the Geolog- ical Survey of Japan2002，53，23： | 1 |
| 19 | Atmospheric pressurechemical vapor deposition mechanism of Al2O3film显示文摘 | Nasution I Velasco A Kim H J | 2009 | Journal of Crystal Growth2009，311，2： | 1 |
| 20 | Entrepreneurship: Its Relationship with Market Orientation and Learning Orientation and as Antecedents to Innovation and Customer Value显示文摘 | Nasution H N Mavondo F T Matanda M J | 2011 | Industrial Marketing Management2011，40，3： | 1 |
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