In this paper,the quantum error-correcting codes are generalized to the inhomogenous quantumstate space Cq1Cq2···Cqn,where qi(1 i n)are arbitrary positive integers.By attaching an abelian group Ai of or...In this paper,the quantum error-correcting codes are generalized to the inhomogenous quantumstate space Cq1Cq2···Cqn,where qi(1 i n)are arbitrary positive integers.By attaching an abelian group Ai of order qi to the space Cqi(1 i n),we present the stabilizer construction of such inhomogenous quantum codes,called additive quantum codes,in term of the character theory of the abelian group A=A1⊕A2⊕···⊕An.As usual case,such construction opens a way to get inhomogenous quantum codes from the classical mixed linear codes.We also present Singleton bound for inhomogenous additive quantum codes and show several quantum codes to meet such bound by using classical mixed algebraic-geometric codes.展开更多
Begonia L.is the sixth biggest genus of flowering plants in the world and a major genus in the family Begoniaceae.It is complicated in current section delimitation and more morphological characters are needed for crit...Begonia L.is the sixth biggest genus of flowering plants in the world and a major genus in the family Begoniaceae.It is complicated in current section delimitation and more morphological characters are needed for critical revaluation within the genus.In present study,we selected 21 species from sections Coelocentrum,Begonia,Platycentrum and Reichenheimia of Begonia mainly distributed in China.Using the method of scanning electron microscopy(SEM),the pollen morphology was carefully examined and its systematic significance was discussed.The results showed that the common palynological characters of studies taxa were exhibited as monads,radially symmetrical,isopolar,3-zono-colporate and perprolate to prolate.For non-metric multidimensional scaling(NMDS)analysis,nine stable pollen characters were selected and coded as unordered and unweighted.The results supported that these sections were not monophyletic groups and the useful palynological features for this study were the pollen sides,outline of the poles,colpus,exine ornamentation,and margo.According to the omamentation of margo,the studied taxa can be divided into two groups:(A)without margo and psilate margo,(B)regulate,exquisitely regulate and coarsely regulate margo.In relation to Group B,the taxa with regulate and exquisitely regulate grains were gathered while the taxa with coarsely regulate margo were located between Group A and B.It indicated that the feature of margo was exhibited as a transition,from without margo and psilate margo,along coarsely regulate margo to exquisitely regulate.Therefore,it is worthy to pay more attention on the feature of margo and increase more taxa of the genus in further studies.展开更多
目的了解吉林省2012年手足口病（Hand,Foot and Mouth Disease;HFMD）来源的柯萨奇病毒A组16型（Coxsackie Virus Group A Type 16,CVA16）基因亲缘关系及氨基酸位点的变异情况。方法收集吉林省2012年73例HFMD临床标本,病毒分离后对其...目的了解吉林省2012年手足口病（Hand,Foot and Mouth Disease;HFMD）来源的柯萨奇病毒A组16型（Coxsackie Virus Group A Type 16,CVA16）基因亲缘关系及氨基酸位点的变异情况。方法收集吉林省2012年73例HFMD临床标本,病毒分离后对其中22株的VP1编码区部分核苷酸进行序列测定和分析。结果 22株CVA16中,12株为B1a基因亚型,10株为B1b基因亚型,12株B1a基因亚型氨基酸同源性为95.0%-97.8%,10株B1b基因亚型氨基酸同源性为94.3%-97.0%;有8株在第23位氨基酸位点发生了亮氨酸（Leucine,L）→蛋氨酸（Methionine,M）的变异,其余14株在该氨基酸位点均为L。结论 CVA16为吉林省HFMD的主要病原体之一,毒株间的同源性较高,均属于B基因群,在系统进化树上分别属于两个进化分支。展开更多
基金supported by National Natural Science Foundation of China(Grant No.10990011)
文摘In this paper,the quantum error-correcting codes are generalized to the inhomogenous quantumstate space Cq1Cq2···Cqn,where qi(1 i n)are arbitrary positive integers.By attaching an abelian group Ai of order qi to the space Cqi(1 i n),we present the stabilizer construction of such inhomogenous quantum codes,called additive quantum codes,in term of the character theory of the abelian group A=A1⊕A2⊕···⊕An.As usual case,such construction opens a way to get inhomogenous quantum codes from the classical mixed linear codes.We also present Singleton bound for inhomogenous additive quantum codes and show several quantum codes to meet such bound by using classical mixed algebraic-geometric codes.
文摘Begonia L.is the sixth biggest genus of flowering plants in the world and a major genus in the family Begoniaceae.It is complicated in current section delimitation and more morphological characters are needed for critical revaluation within the genus.In present study,we selected 21 species from sections Coelocentrum,Begonia,Platycentrum and Reichenheimia of Begonia mainly distributed in China.Using the method of scanning electron microscopy(SEM),the pollen morphology was carefully examined and its systematic significance was discussed.The results showed that the common palynological characters of studies taxa were exhibited as monads,radially symmetrical,isopolar,3-zono-colporate and perprolate to prolate.For non-metric multidimensional scaling(NMDS)analysis,nine stable pollen characters were selected and coded as unordered and unweighted.The results supported that these sections were not monophyletic groups and the useful palynological features for this study were the pollen sides,outline of the poles,colpus,exine ornamentation,and margo.According to the omamentation of margo,the studied taxa can be divided into two groups:(A)without margo and psilate margo,(B)regulate,exquisitely regulate and coarsely regulate margo.In relation to Group B,the taxa with regulate and exquisitely regulate grains were gathered while the taxa with coarsely regulate margo were located between Group A and B.It indicated that the feature of margo was exhibited as a transition,from without margo and psilate margo,along coarsely regulate margo to exquisitely regulate.Therefore,it is worthy to pay more attention on the feature of margo and increase more taxa of the genus in further studies.
文摘目的了解吉林省2012年手足口病（Hand,Foot and Mouth Disease;HFMD）来源的柯萨奇病毒A组16型（Coxsackie Virus Group A Type 16,CVA16）基因亲缘关系及氨基酸位点的变异情况。方法收集吉林省2012年73例HFMD临床标本,病毒分离后对其中22株的VP1编码区部分核苷酸进行序列测定和分析。结果 22株CVA16中,12株为B1a基因亚型,10株为B1b基因亚型,12株B1a基因亚型氨基酸同源性为95.0%-97.8%,10株B1b基因亚型氨基酸同源性为94.3%-97.0%;有8株在第23位氨基酸位点发生了亮氨酸（Leucine,L）→蛋氨酸（Methionine,M）的变异,其余14株在该氨基酸位点均为L。结论 CVA16为吉林省HFMD的主要病原体之一,毒株间的同源性较高,均属于B基因群,在系统进化树上分别属于两个进化分支。
