This study investigated the influence of cerium nitrate in vanadate solutions on the properties of Ce–V conversion coatings on AZ31 magnesium alloys,and evaluated the self-healing behavior of the Ce–V conversion coa...This study investigated the influence of cerium nitrate in vanadate solutions on the properties of Ce–V conversion coatings on AZ31 magnesium alloys,and evaluated the self-healing behavior of the Ce–V conversion coating for AZ31 magnesium alloy.The results showed that the additions of cerium nitrate prevented pentavalent vanadium from reducing to tetravalent vanadium in the coatings during conversion reaction process.Adding appropriate cerium nitrate to vanadate solution led to a thicker coating with a more compact CeVO_(4) layer.The corrosion behavior of the Ce–V conversion coating was investigated by the electrochemical tests and the scratch immersion test in 3.5 wt.%NaCl solution.The self-healing ability of the coating was confirmed from all tests.The surface analysis revealed that the self-healing effect of the Ce–V conversion coating was only provided by the release and migration of vanadium compounds.展开更多
The limited knowledge of genomic diversity and functional genes associated with the traits of soybean varieties has resulted in slow progress in breeding.In this study,we sequenced the genomes of 250 soybean landraces...The limited knowledge of genomic diversity and functional genes associated with the traits of soybean varieties has resulted in slow progress in breeding.In this study,we sequenced the genomes of 250 soybean landraces and cultivars from China,America,and Europe,and investigated their population structure,genetic diversity and architecture,and the selective sweep regions of these accessions.Five novel agronomically important genes were identified,and the effects of functional mutations in respective genes were examined.The candidate genes GSTT1,GL3,and GSTL3 associated with the isoflavone content,CKX3 associated with yield traits,and CYP85 A2 associated with both architecture and yield traits were found.The phenotype-gene network analysis revealed that hub nodes play a crucial role in complex phenotypic associations.This study describes novel agronomic trait-associated genes and a complex genetic network,providing a valuable resource for future soybean molecular breeding.展开更多
基金The National Natural Science Foundation of China(Grant No.20976143)the Specialized Research Fund for the Doctoral Program of the Ministry of Education(Grant No.20096120110007,China).
文摘This study investigated the influence of cerium nitrate in vanadate solutions on the properties of Ce–V conversion coatings on AZ31 magnesium alloys,and evaluated the self-healing behavior of the Ce–V conversion coating for AZ31 magnesium alloy.The results showed that the additions of cerium nitrate prevented pentavalent vanadium from reducing to tetravalent vanadium in the coatings during conversion reaction process.Adding appropriate cerium nitrate to vanadate solution led to a thicker coating with a more compact CeVO_(4) layer.The corrosion behavior of the Ce–V conversion coating was investigated by the electrochemical tests and the scratch immersion test in 3.5 wt.%NaCl solution.The self-healing ability of the coating was confirmed from all tests.The surface analysis revealed that the self-healing effect of the Ce–V conversion coating was only provided by the release and migration of vanadium compounds.
基金supported by grants from the Agricultural Science and Technology Innovation Project,Jilin Province,China(Grant No.CXGC2017ZY027)the Program of Accurate Identification and Display of Soybean Germplasm,China[Grant Nos.NB08-2130315-(25-31)-06,NB07-2130315(25-30)-06,NB06-070401-(22-27)-05,and NB2010-213031525-05]the Chinese Universities Scientific Fund。
文摘The limited knowledge of genomic diversity and functional genes associated with the traits of soybean varieties has resulted in slow progress in breeding.In this study,we sequenced the genomes of 250 soybean landraces and cultivars from China,America,and Europe,and investigated their population structure,genetic diversity and architecture,and the selective sweep regions of these accessions.Five novel agronomically important genes were identified,and the effects of functional mutations in respective genes were examined.The candidate genes GSTT1,GL3,and GSTL3 associated with the isoflavone content,CKX3 associated with yield traits,and CYP85 A2 associated with both architecture and yield traits were found.The phenotype-gene network analysis revealed that hub nodes play a crucial role in complex phenotypic associations.This study describes novel agronomic trait-associated genes and a complex genetic network,providing a valuable resource for future soybean molecular breeding.
