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| 1 | 强度耕作对^(137)Cs、^(210)Pb_(ex)和有机质剖面分布的影响显示文摘很少有关于直接测定强度耕作侵蚀引起土壤退化过程的报道。我们的目的是确定应用137Cs和210Pbex直接定量评价耕作侵蚀对土壤有机质(SOM)坡面运移影响的可能性。我们在黄土高原陡坡耕地上进行了50次犁耕活动,并将与其相临的另一块陡坡耕地作为对照。在对照坡地不同坡位,137Cs浓度均匀分布于上部0~30cm土层,而210Pbex浓度在坡上部和坡中部随土层深度增加呈现线性递减,在坡下部呈指数函数递减。0~30cm土层中土壤有机质含量显著大于30cm深度以下土层,并在坡中部和坡下部呈现与210Pbex类似的土壤剖面分布特征。与对照坡地比较,50次犁耕活动导致坡上部、坡中部0~45cm土层的SOM含量分别降低了38%和47%,坡下部0~100cm土层中的SOM含量却提高了18%。坡上部土壤剖面中137Cs浓度的加权平均值从1.48Bq/kg降低到0.29Bq/kg,坡中部从2.53Bq/kg减少到0.33Bq/kg,坡下部从1.48Bq/kg提高到2.81Bq/kg。210Pbex浓度的剖面加权平均值在坡上部从27.71Bq/kg下降到6.15Bq/kg,在坡中部和坡下部分别从35.46Bq/kg和25.53Bq/kg降低到1.57Bq/kg和19.40Bq/kg。137Cs和210Pbex的剖面分布与SOM在p<0.001水平呈显著相关,相关系数R2值在对照坡地为0.81~0.86,在犁耕实验坡地为0.86~0.91。实验结果表明。 | 李勇 白玲玉 张兴昌 Lindstrom M L Bork H R | 2003 | 水土保持学报2003，17，3： | 3 |
| 2 | Peak expiratory flow monitoring-the basis for diagnosing occupational asthma- guidelines by the finnish expert group on occupational lung diseases 显示文摘 | Lindstrom 1 Malmberg P Suojalehto H | 2011 | Duodecim2011，127，20： | 1 |
| 3 | Overiew of single-cell analyses: microdevices and applications显示文摘 | Lindstrom S Andersson-Svahn H | | 0，，10： | 1 |
| 4 | Dye-sensitized nanostructured p-type nickel oxide film as a photocathode for a solar cell显示文摘 | He J Lindstrom H Hagfeldt A | 1999 | J Phys Chem B1999，42，103： | 1 |
| 5 | Development of a new inventory for Assessing memories of parental rearing behavior显示文摘 | Perils C Jacobsson L Lindstrom H | 1980 | Actapsychiat Scand1980，61，： | 1 |
| 6 | Brain response to putative pheromones in homosexual men显示文摘 | Savic I Berglund H Lindstrom P | 2005 | Proc Natl Acad Sci U S A2005，102，： | 1 |
| 7 | A new method to make dye-sensitized nanocrystalline solar cells at room temperature显示文摘 | Lindstrom H Holmberg A Magnusson E Malmqvist L Hagfeldt A | | 0，，： | 1 |
| 8 | Brain response to putative pheromones in lesbian women显示文摘 | Berglund H Lindstrom P Savic I | 2006 | Proc Natl Acad Sci U S A2006，103，： | 1 |
| 9 | Photocatalytic activity and photoinduced hydrophilicity of TiO2 coated glass显示文摘 | RENSMO H KEIS K LINDSTROM H | 1997 | J Phys Chem1997，101，3： | 1 |
| 10 | Evolution of female preference for old mates 显示文摘 | Kokko H Lindstrom J | 1996 | Proc R Soc London Ser B1996，263，： | 1 |
| 11 | A new method for manufacturing nanostructured electrodes on plastic substrates显示文摘 | Lindstrom H Holmberg A Magnusson E Lindquist S E Malmqvist L Hagfeldt A | | 0，，02： | 1 |
| 12 | Regional expression and dietary regulation of rat small intestinal peptide and amino acid transporter mRNAs显示文摘 | Erickson R H Gum J R Lindstrom M M | 1995 | Biochemical and Biophysical Research Communications1995，1，216： | 1 |
| 13 | Analysis of anaerobic BTX biodegradation in a subarctic aquifer using isotopes and benzylsuccinates 显示文摘 | McKelvie J R Lindstrom J E Belier H R | 2005 | J Contam Hydrol2005，81，14： | 1 |
| 14 | 显示文摘 | Lindstrom H Holmberg A Magnusson E | 2001 | Nano Letters2001，1，2： | 1 |
| 15 | 显示文摘 | Lindstrom H Magnusson E Holmberg A | 2002 | Solar Energy Materials and Solar Cells2002，73，1： | 1 |
| 16 | Prevalence of diabetes and impaired glucose regulation in 45- to 64-year-old individuals in three areas of Finland 显示文摘 | Yliharsila H Lindstrom J Eriksson JG | 2005 | Diabet Med2005，22，1： | 1 |
| 17 | Antigenic and genetic char- acteristics of swine - origin 2009 A( H1N1 ) influenza viruses cir- culating in humans 显示文摘 | Garten R J Davis C T Russell C A Shu B Lindstrom S Balish A Sessions W M Xu X Skepner E Deyde V Okomo - Adhi- ambo M Gubareva L Barnes J Smith C B Emery S L Hillman M J Rivailler P Smagala J de Graaf M Burke D F Fouchier R A Pappas E Alpuche - Aranda C M Lopez - Gatell H Ohvera H Lopez I Myers C A Faix D Blair P J Yu C Keene K M Dotson P D Jr Boxrud D Sambol A R Abid S H St George K Bannerman T Moore A L Stringer D J Blevins P Demmler - Harrison G J Ginsberg M Kriner P Waterman S Smole S Guevara H F Belongia E A Clark P A Beatrice S T Donis R Katz J Finelli L Bridges C B Shaw M Jernigan D B Uyeki T M Smith D J Klimov A I Cox N J | 2009 | Science2009，325，5937： | 1 |
| 18 | Laboratory diagnostics of botulism 显示文摘 | Lindstrom M Korkeala H | 2006 | Clin Microbiol Rev2006，19，2： | 1 |
| 19 | A 5% efficient photoelectrochemical solar cell based on nanostructured ZnO electrodes 显示文摘 | Keis K Magnusson E Lindstrom H | 2002 | Sol Energy Ma- ter Sol Cells2002，73，1： | 1 |
| 20 | 显示文摘 | Keis K Magnusson E Lindstrom H | 2002 | Solar Energy Materials and Solar Cells2002，73，： | 1 |
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