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614篇 您的检索式:作者名="Ward R C C"
    题名 作者 年代 出处 被引量
1煤型稀有金属矿床:成因类型、赋存状态和利用评价显示文摘煤和含煤岩系中稀有金属元素的研究,是当今煤地质学研究的热点问题之一。煤和含煤岩系中高度富集并可以开发利用的稀有金属元素包括锂、钪、钛、钒、镓、锗、硒、锆、铌、铪、钽、铀、稀土元素(包括镧系元素和钇)、贵金属元素等。以煤-锗、煤-镓、煤-铀、煤-铌、煤-稀土元素等煤型稀有金属矿床为例,论述了这些矿床的地质成因、赋存状态和利用评价方法。煤型稀有金属矿床的研究,不仅对研究煤层的地质成因、煤层对比、含煤盆地形成与后期改造、区域地质历史演化和突发地质事件可以提供重要的煤地球化学和煤矿物学证据,而且对煤炭经济循环发展、煤炭利用过程中环境保护,以及对国家稀有金属资源安全也具有重要的现实和社会意义。代世峰 任徳贻 周义平 Vladimir VSeredin 李大华 张名泉 James C Hower Colin R Ward 王西勃 赵蕾 宋晓林 2014煤炭学报2014,39,8:111
2Model combining pre-transplant tumor biomarkers and tumor size shows more utility in predicting hepatocellular carcinoma recurrence and survival than the BALAD models显示文摘AIM To assess the performance of BALAD, BALAD-2 and their component biomarkers in predicting outcome of hepatocellular carcinoma(HCC) patients after liver transplant.METHODS BALAD score and BALAD-2 class are derived from bilirubin, albumin, alpha-fetoprotein(AFP), Lens culinaris agglutinin-reactive AFP(AFP-L3), and des-gammacarboxyprothrombin(DCP). Pre-transplant AFP, AFP-L3 and DCP were measured in 113 patients transplanted for HCC from 2000 to 2008. Hazard ratios(HR) for recurrence and death were calculated. Univariate and multivariate regression analyses were conducted. C-statistics were used to compare biomarker-based to predictive models. RESULTS During a median follow-up of 12.2 years, 38 patients recurred and 87 died. The HRs for recurrence in patients with elevated AFP, AFP-L3, and DCP defined by BALAD cut-off values were 2.42(1.18-5.00), 1.86(0.98-3.52), and 2.83(1.42-5.61), respectively. For BALAD, the HRs for recurrence and death per unit increased score were 1.48(1.15-1.91) and 1.59(1.28-1.97). For BALAD-2, the HRs for recurrence and death per unit increased class were 1.45(1.06-1.98) and 1.38(1.09-1.76). For recurrence prediction, the combination of three biomarkers had the highest c-statistic of 0.66 vs. 0.64, 0.61, 0.53, and 0.53 for BALAD, BALAD-2, Milan, and UCSF, respectively. Similarly, for death prediction, the combination of three biomarkers had the highest c-statistic of 0.66 vs 0.65,0.61, 0.52, and 0.50 for BALAD, BALAD-2, Milan, and UCSF. A new model combining biomarkers with tumor size at the time of transplant(S-LAD) demonstrated the highest predictive capability with c-statistics of 0.71 and 0.69 for recurrence and death. CONCLUSION BALAD and BALAD-2 are valid in transplant HCC patients, but less predictive than the three biomarkers in combination or the three biomarkers in combination with maximal tumor diameter(S-LAD).Nicha Wongjarupong Gabriela M Negron-Ocasio Roongruedee Chaiteerakij Benyam D Addissie Essa A Mohamed Kristin C Mara William S Harmsen J Paul Theobald Brian E Peters Joseph G Balsanek Melissa M Ward Nasra H Giama Sudhakar K Venkatesh Denise M Harnois Michael R Charlton Hiroyuki Yamada Alicia Algeciras-Schimnich Melissa R Snyder Terry M Therneau Lewis R Roberts 2018World Journal of Gastroenterology2018,24,12:5
3Quantitative X-ray powder diffraction analysis of clay minerals in Australian coals using Rietveld methods显示文摘RUAN C D WARD C R 2002Appl Clay Sci2002,21,56:2
4Brazos River bar: a study in the significance of grain size parameters显示文摘FOLK R L WARD W C 1957Journal of Sedimentary Petrology1957,27,:1
53',5'-diiodothyronine to 3'-monoiodothyronine conversion in the fed and fasted rat:enzyme characteristic and evidence for two distinct 5' -deiodinases 显示文摘Smallridge R C Burman K D Ward K E 1981Endocrinology1981,108,:1
6Brazos River bar : a study in the significance of grain size parameters显示文摘FOLK R L WARD W C 1957Journal of Sedimentary Research1957,,:1
7Effect of over-burden pressure andwater saturation on gas permeability of the tight sandstonecores显示文摘Thomas R D Ward D C 1972Journal of Petroleum Technology1972,24,2:1
8Measuring evapotranspiration: a review 显示文摘Ward R C 1971Journal of Hydrology1971,13,:1
9Geochemical and mineralogical evidence for a coal-hosted uranium deposit in the Yili Basin, Xinjiang, northwestern China 显示文摘DAI Shifeng YANG Jianye WARD C R 2015Ore Geology Reviews2015,70,:1
10Exploratory spatial data analysis of regional seroprevalence of antibodies against epizootic hemorrhagic disease virus in cattle from Illinois and Indiana 显示文摘BOYER T C WARD M P WALLACE R L 2008American Journal of Veterinary Research2008,69,:1
11Brazos River bar: a study in the significance of grain size parameters 显示文摘Folk R L Ward W C 1957Journal of Sedimentary Petrology1957,27,:1
12Mapping and direct visualization of a region-specfic viral DNA integration site on chromosome 19ql3-qter 显示文摘Kotin R M Menninger J C Ward D C 1991Genomics1991,10,:1
13Brazos river bar: A study in the signi fication of grain size parameters显示文摘Folk R L Ward W C 1957Journal of Sedimentary Petrology1957,27,:1
14Rapid purification of recombinant green fluorescent protein using the hydrophobic properties of an HPLC size exclusion column显示文摘DESCHAMPS J R MILLER C E WARD K B 0,,04:1
15Novel strategies for the treatment of sepsis 显示文摘Riedemann N C Guo R F Ward P A 2003Nat Med2003,9,:1
16Electromigrated nanoscale gaps for surface-enhanced Raman spectroscopy 显示文摘WARD D R GRADY N K LEVIN C S 2007Nano Letters2007,7,5:1
17Airway inflammation, basement membrane thickening and bronchial hyperresponsiveness in asthma显示文摘Ward C Pais M Bish R 2002Thorax2002,57,4:1
18Double-blind comparison of two doses of botulinum toxin A injected into calf muscles in children with hemiplegic cerebral palsy 显示文摘Polak F Morton R Ward C 2002Dev Med Child Neural2002,44,:1
19Chronic active hepatitis in mice caused by Helicobacter hepaticus 显示文摘Ward J M Anver M R Haines D C 1994Am J Pathol1994,145,4:1
20Coordinate gene activity in response to agents that in- duce systemic acquired resistance显示文摘WARD E R UKNESS S J WILLIAMS S C DINCHER S S WIEDER- HOLD D L ALEXANDER D C AHL-GOY P METRAUX J P RYALS J A 1991Plant Cell1991,3,10:1
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