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    题名 作者 年代 出处 被引量
1RFLP and SSR mapping of a new gene for brown planthopper resistance introgressed from O.eichingeri into cultivated rice(O.sativa L.)显示文摘Ninebrownplanthopper(BPH)resistancegeneshavebeenregisteredsofar,butofthemonly Bph1,bph2,Bph3,bph4,Bph9,andotherthreeunregisteredgenesBph10(t),Bph(t),bph(t)werelocatedonchromosome3,4,10,and12,respectively,byusingtraditionalandmolecularmappingmethods.LINGuoqing YANHuihuang FUQiang QIANQian ZHULihunag 2000Chinese Rice Research Newsletter2000,8,1:2
2Quantitative Analysis of Groundwater Flow near a Partially Penetrating River under Riverside Pumping显示文摘According to practical geological and hydrogeological conditions of riverside water-supply well fields in northwestern China, an ideal hydrogeological model has been generalized and a three-dimensional mathematical model has been set up. A finite difference method was applied to simulating groundwater flow near a partially penetrating river under riverside pumping, and to analyzing the effects of river width, partial penetration and permeability of riverbed sediments on groundwater recharges. Results show that riverside pumping may cause groundwater to flow beneath the partially penetrating river, and that river width, penetration and riverbed permeability obviously influence flows from the partially penetrating river and constant-head boundaries. However, the pumping output is mainly from the partially penetrating river.WANGBingchen ZHENGXilai QIANHui LINGuoqing XUQian 2004Acta Geologica Sinica(English Edition)2004,78,3:0
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