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30篇 您的检索式:作者名="Weld L"
    题名 作者 年代 出处 被引量
1Evaluation of phosphorus based nutrient management strategies in Pennsylvania显示文摘Weld J L Parsons R L Beegle D B 2002Journal of soil and water conservation2002,57,6:1
2Evaluation of phos-phorus based nutrient management strategies in Pennsylvania显示文摘Weld J L Parsons R L Beegle D B 2002Journal of Soil and Water Conservation2002,57,6:1
3Evaluation of phosphorus based nutrient management strategies in Pennsylvania 显示文摘WELD J L PARSONS R L BEEGLE D B etal 2002Journal of Soil and Water Conservation2002,57,6:1
4Assessing site vulnera-bility to phosphorus loss in an agricultural watershed 显示文摘Sharpley A N McDowell R W Weld J L 2001J Environ Qual2001,30,:1
5Vitamin A supplementation and child survival显示文摘Herrera MG Nestel P El Amin A Fawzi WW Mohamed KA Weld L 1992Lancet1992,340,8814:1
6Development of phosphorusindices for nutrient management planning strategies in the United States显示文摘Sharpley A N Weld J L Beegle D B 2003Journal of Soil and Water Conservation2003,58,3:1
7Identifying critical sources of phosphorus export from agricultural watersheds显示文摘WELD J L 2001Nutrient Cycling in Agroecosystems2001,59,1:1
8Assessing site vulnera-bility to phosphorus loss in an agricultural watershed显示文摘Sharpley A N McDowell R W Weld J L 2001Journal of En-vironmental Quality2001,30,6:1
9Assessing site vulnerability to phosphorus loss in an agricultural watershed显示文摘Sharpley A N Mc Dowell R W Weld J L 2001Journal of Environmental Quality2001,30,6:1
10Travel-associated in- fection presenting in Europe (2008-12) : an analysis of EuroTrav- Net longitudinal, surveillance data, and evaluation of the effect of the pre-travel consultation显示文摘Schlagenhauf P Weld L Goorhuis A 2015Lancet Infect Dis2015,15,1:1
11Identifying critical sources of phosphorus export from agricultural watersheds显示文摘WELD J L SHARPLEY A N BEEGLE D B 2001Nutrient Cycling in Agro-ecosystems2001,59,:1
12Development of phosphorus indices for nutrient management planning strategies in the United States显示文摘SHARPLEY A N WELD J L 2003Journal of Soil and Water Conservation2003,58,3:1
13Evaluation of phosphorus-based nutrient management strategies in Pennsylvania显示文摘Weld J L Parsons R L Beegle D B 2002Journal of Soil and Water Conservation2002,57,6:1
14Evaluation of phosphorus-based nutrient management strategies in Pennsylvania显示文摘Weld J L Parsons R L Beegle D B 2002Journal of Soil and Water Conservation2002,57,6:1
15Stat3 acrivation regulates the expression of vascular endothelial growth factor and human parrcreatic cancer an- giogenesis and metastacis显示文摘WelD Lex zheng L 2003Oncogene2003,22,3:1
16Comparison of measured and simulated phosphorus losses with indexed site vulnerability 显示文摘Veith T Sharpley A N Weld J L 2005Transactions of the ASAE2005,48,2:1
17Assessing site vulnerability to phosphorus loss in an agricul- tural watershed 显示文摘Sharpley A N McDowell R W Weld J L 2001Journal of Environmental Quality2001,30,6:1
18Abusive Earnings Management andEarly Warning Signs显示文摘Magrath L L Weld 2002The CPA Journal2002,,72:1
19Assessing site vulnerability to phosphorus loss in an agricultural watershed显示文摘SHARPLEY A N MEDOWELL R W WELD J L 2001J Eruiron Qual2001,30,:1
20Evaluation of phosphorus- based nutrient management strategies in Pennsylvania显示文摘Weld J L Parsons R L Beegle D B 2002Journal of Soil and Water Conservation2002,57,6:1
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