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| 1 | 油砂沥青改质产品中甲苯不溶物的表征显示文摘油砂沥青及其衍生产品中含有悬浮的甲苯不溶物如粘土和碳质固体颗粒,会导致后续加工过程中的结垢、催化剂失活和床层堵塞。笔者从油砂沥青衍生产品中分离出甲苯不溶物并进行了分析表征。研究发现,油砂沥青渣油中的甲苯不溶物主要是超细的硅铝酸盐粘土颗粒,结合了部分干酪根成分;焦化渣油和焦化瓦斯油储罐中沉积的甲苯不溶物类似焦炭;焦化瓦斯油中的甲苯不溶物主要是碳质有机物颗粒,但氮、氧含量相对丰富,并含少量矿物质和粘土颗粒,含氮的杂环化合物如吡咯类物质的存在可能是导致焦化瓦斯油中甲苯不溶物生成的主要因素。 | 许志明 王宗贤 KOTLYAR L S CHUNG K H | 2004 | 石油学报(石油加工)2004，20，1： | 10 |
| 2 | Features of extrahepatic metastasis after radiofrequency ablation for hepatocellular carcinoma显示文摘BACKGROUND Extrahepatic metastasis(EHM)of hepatocellular carcinoma(HCC)is associated with poor outcomes.However,the clinical features and risk factors of EHM of HCC after radiofrequency ablation(RFA)remain unclear.AIM To elucidate the characteristics and risk factors of EHM after RFA for HCC.METHODS From January 2008 to December 2017,we retrospectively enrolled 661 patients who underwent RFA as first-line treatment for HCC at 2 tertiary hospitals.The inclusion criteria were age≥18 years,a diagnosis of HCC,and treatment-naivety.Abdominal computed tomography(CT)or magnetic resonance imaging(MRI)and alpha-fetoprotein measurements were routinely performed at 1 mo after RFA and followed-up at intervals of 3-6 mo.Univariate analyses were performed using the chi-squared test or Student’s t-test,and univariate and multivariate analyses were performed via logistic regression,as appropriate.RESULTS EHM was diagnosed in 44 patients(6.7%)during a median follow-up period of 1204 days.The 10-year cumulative rate of HCC recurrence and EHM was 92.7%and 33.7%,respectively.Initial recurrence was most often intrahepatic,and the rate of extrahepatic recurrence at initial recurrence was only 1.2%.The median time to the diagnosis of EHM was 2.68 years,and 68.2%of patients developed EHM within 2 years of the first recurrence,regardless of recurrence-free survival and 75.0%of patients developed EHM within 5 years after first recurrence.EHM was mostly diagnosed via abdominal CT/MRI in 33(75.0%)and 38 of 44 patients(86.4%)with EHM had either positive abdominal CT scan results or serum AFP level elevation.In multivariate analysis,recurrence-free survival<2 years,ablation zone/tumor size<2,and alpha-fetoprotein level>400 IU/mL were associated with a high EHM risk.CONCLUSION EHM occurs following multiple intrahepatic recurrences after RFA and combined contrast-enhanced abdominal CT and serum AFP were useful for surveillance.Patients especially with high-risk factors require close follow-up for EHM. | Jae H Yoon Young J Goo Chae-Jun Lim Sung K Choi Sung B Cho Sang S Shin Chung H Jun | 2020 | World Journal of Gastroenterology2020，26，32： | 3 |
| 3 | Parvovirus B19 induced hepatic failure in an adult requiring liver transplantation显示文摘Parvovirus B19 induced acute hepatitis and hepatic failure have been previously reported, mainly in children. Very few cases of parvovirus induced hepatic failure have been reported in adults and fewer still have required liver transplantation. We report the case of a 55-year-old immunocompetent woman who developed fulminant hepatic failure after acute infection with Parvovirus B19 who subsequently underwent orthotopic liver transplantation. This is believed to be the first reported case in the literature in which an adult patient with fulminant hepatic failure associated with acute parvovirus B19 infection and without hematologic abnormalities has been identified prior to undergoing liver transplantation. This case suggests that Parvovirus B19 induced liver disease can affect adults, can occur in the absence of hematologic abnormalities and can be severe enough to require liver transplantation. | Darin S Krygier Urs P Steinbrecher Martin Petric Siegfried R Erb Stephen W Chung Charles H Scudamore Andrzej K Buczkowski Eric M Yoshida | 2009 | World Journal of Gastroenterology2009，15，32： | 3 |
| 4 | Effects of hot extrusion parameters on the tensile properties and microstructures of SiCw- 2124Al composites 显示文摘 | HONG S H CHUNG K H LEE C H | 1996 | Materials Science and Engineering A1996，206，2： | 2 |
| 5 | Initial cation stoichiometry and current-voltage behavior in Sc-doped calcium copper titanate 显示文摘 | CHUNG S Y LEE S I CHOI J H | 2006 | Appl Phys Lett2006，89，19： | 1 |
| 6 | 显示文摘 | Choi W B Chung D S Kang J H | 1999 | Applied Physics Letters1999，75，20： | 1 |
| 7 | Anti-proliferating effects of ginsenoside Rh2 on MCF-7 human breast cancer cells显示文摘 | Oh M Choi S Chung H | 1999 | Int J Oncol1999，14，5： | 1 |
| 8 | The clinical usefulness of (18)F-FDG PET/CT for the evaluation of lymph node metastasis in periorbital malignancies显示文摘 | BAEK C H CHUNG M K JEONG H S | 2009 | Korean J Radiol2009，10，1： | 1 |
| 9 | Effect of steam treatment on soluble phenolic content and antioxidant activity of the Chaga mushroom (Inonotus obliquus)显示文摘 | JU H K CHUNG H W HONG S S | 2010 | Food Chemistry2010，119，： | 1 |
| 10 | Reduction of Power Converter EMI Emission Using Soft-Switching Technique显示文摘 | Chung H Hui S Y R Tse K K | 1998 | IEEE Transaction on Electromagnetic Compatibility1998，40，3： | 1 |
| 11 | Surface modification by silver coating for improving electrochemi cal properties of LiFePO4显示文摘 | Park K S Son J T Chung H T | 2004 | Solid State Communications2004，129，： | 1 |
| 12 | Focal hyperos-tosis on CT of sinonasal inverted papilloma as a predictor oftumor origin显示文摘 | LEE D K CHUNG S K DHONG H J | 2007 | Am J Neuroradiol2007，28，： | 1 |
| 13 | Surface modification by silver coating for improving electrochemical properties of LiFePO4 显示文摘 | Park K S Son J T Chung H T | 2004 | Solid State Communications2004，129，5： | 1 |
| 14 | Synthesis of Unidirectional Alumina Nanostructures without Added Organic Solvents 显示文摘 | Lee H C Kim H J Chung S H | 2003 | J Am Chem Soc2003，125，10： | 1 |
| 15 | General Mandelbrot Sets and Julia Sets with color symmetry from equivalent mappings of the modular group 显示文摘 | Chung K W Chan H S Y Chen Ning | 2000 | Computer & Graphics2000，24，6： | 1 |
| 16 | Minimizing the total machine workload for the wafer probing scheduling problem显示文摘 | Pearn W L Chung S H Yang M H | 2002 | IIE Transactions2002，34，2： | 1 |
| 17 | Shore based observation on wet deposition of inorganic nutrients in the Korean Yellow Sea coast显示文摘 | Chung C S Hong G H Kim S H | 1998 | The Yellow Sea1998，4，： | 1 |
| 18 | Comparison of combined spinal epidural anesthesia and epidural anesthesia for cesarean section显示文摘 | CHOI D H KIM J A CHUNG I S | 2000 | Acta Anaesthesiol Scand2000，44，2： | 1 |
| 19 | Rapid fabrication of aluminum shoe mold using vacuum sealed casting process 显示文摘 | Chung S Im Y Jeong H | 2003 | Journal of Materials Processing Technology2003，142，： | 1 |
| 20 | Self-organized carbon nanotips显示文摘 | Jang J Chung S J Kim H S | 2001 | Appl Phys Lett2001，79，： | 1 |
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