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| 1 | 近年来珠三角地区大气中痕量氟氯烃(CFCs)的浓度水平与变化特征显示文摘用预浓缩-GC/MS方法研究了珠江三角洲大气中的CCl3F、CFC-12、CFC-113和CFC-114等4种痕量氟氯烷烃气体。结果表明,2005年珠江三角洲背景点鼎湖山大气中CFC-12和CFC-11的年平均浓度高于全球本底站,说明珠三角地区还存在一定CFC-11和CFC-12的排放源;CFC-113浓度水平则与全球本底站点浓度接近,且CFC-113和CFC-114在广州城区与鼎湖山差别不显著,表明区内其排放源强度应很小。观测日内广州和鼎湖山大气中四种CFCs的日变化幅度均较小,无明显的昼夜变化规律。广州市CFCs总体呈夏秋高、冬春低的特征,与城区致冷设备高温季节使用频率较大有关;鼎湖山则呈冬春高、夏秋低的特征,主要受扩散作用和季风的影响。初步分析显示,从1997年到2005年,CFC-11、CFC-12和CFC-114浓度总体呈现先上升后缓慢降低的趋势,而CFC-113的浓度一直逐年下降。 | 张芳 王新明 李龙凤 易志刚 周凌晞 Donald R Blake 盛国英 傅家谟 | 2006 | 地球与环境2006，34，4： | 11 |
| 2 | The nondimensionalization of equations describing fluidization with application to the correlation of jet penetration height显示文摘 | Blake T R Webb H Sunderland P B | 1990 | Chemical Engineering Science1990，45，2： | 1 |
| 3 | CT and MRI findings of intracranial lymphoma显示文摘 | Slone HW Blake JJ Shah R | 2005 | Am J Roentgenol2005，184，5： | 1 |
| 4 | Cell attachment and oxygen consumption of two strains of thiobacillus ferrooxidans显示文摘 | Blake Ⅱ R C | 1999 | Minerals Engineering1999，12，6： | 1 |
| 5 | In-line Sagnac interferometer current sensor显示文摘 | BLAKE J TANTASWADI P de CARVALHO R T | 1996 | IEEE Transaction on Power Delivery1996，11，1： | 1 |
| 6 | Laser zona pellucida thinning-an alternative approach to assisted hatching 显示文摘 | Blake D A Forsberg A S Johansson B R | 2001 | Hum Reprod2001，16，9： | 1 |
| 7 | Fine Structure Constant Defines Visual Transparency of Graphene显示文摘 | Nair R R Blake P Grigorenko A N | 2008 | Science2008，320，5881： | 1 |
| 8 | Individualism-collecti- vism as an individual difference predictor of organiza- tional citizenship behavior显示文摘 | Moorman R H Blakely G L | 1995 | Journal of Organizatio-nal Behavior1995，16，2： | 1 |
| 9 | Influence of the attachment of acidophilic bacteria during the oxidation of mineral sulfides显示文摘 | Phillips C V Blake Ⅱ R C | 2000 | Minerals Engineering2000，13，4： | 1 |
| 10 | Bubble interactions near a free surface 显示文摘 | Pearson A Cox E Blake J R | 2004 | Engineering Analysis with Boundary Elements2004，28，： | 1 |
| 11 | Direct mass spectrometric studies of the destructionof harzardous wastes显示文摘 | Jacoby W A Nimlos N R Blake D M | 1993 | Envion Sci Technol1993，27，： | 1 |
| 12 | Laser zona pellucida thinning-an alternative approach to assisted hatching显示文摘 | BLAKE D A FORSBERG A S JOHANSSON B R | 2001 | Human Reproduction2001，16，： | 1 |
| 13 | Demonstration of protontransfer reaction time-of-flight mass spectrometry for real-time analysis of trace volatile organic compounds显示文摘 | Blake R S Whyte C hughes C | 2004 | Analytical Chemistry2004，76，13： | 1 |
| 14 | Breeding birds of isolated woodlots: area and habitat relationships 显示文摘 | Blake J G Karr J R | 1987 | Ecology1987，68，6： | 1 |
| 15 | Analytical Chemistry显示文摘 | Blake R S Whyte C hughes C | 2004 | 76(13):38412004，76，13： | 1 |
| 16 | Fine structure constant defines visual transparency of graphene显示文摘 | Nair R R Blake P Grigorenko A N | 2008 | Science2008，320，5881： | 1 |
| 17 | The influ- ence of empowerment and job enrichment on employee loyalty in a downsizing environment显示文摘 | Niehoff B P Moorman R H Blakely G etal | 2001 | Group & Organ- ization Management2001，，26： | 1 |
| 18 | Cavitation bubbles near boundaries 显示文摘 | BLAKE J R GIBSON D C | 1987 | Annual Review of Fluid Mechanics1987，19，2： | 1 |
| 19 | Growth and collapse of a vapour cavity near a free surface显示文摘 | Blake J R Gibson D C | 1981 | Journal of Fluid Mechanics1981，111，： | 1 |
| 20 | Campbell development of automatic, continuous partial discharge monitoring systems to detect motor and generator partial discharges显示文摘 | Greg C Stone Blake A Lloyd Steve R | 1997 | IEEE1997，，2： | 1 |
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