胎儿生长受限（fetal growth restriction,FGR）/胎儿宫内发育迟缓（in utero growth restriction,IUGR）是指胎儿受各种不利因素的影响,如遗传、环境、营养、疾病等因素,未能达到其潜在所应有的生长速率。根据美国妇产科医师学会（The ...胎儿生长受限（fetal growth restriction,FGR）/胎儿宫内发育迟缓（in utero growth restriction,IUGR）是指胎儿受各种不利因素的影响,如遗传、环境、营养、疾病等因素,未能达到其潜在所应有的生长速率。根据美国妇产科医师学会（The American College of Obstetricians and Gynecologists,展开更多
In a unified algebraic scheme,we investigate the relation between the E(5) symmetry and the interacting boson model beyond the mean-field level.The results indicate that the E(5) symmetry is actually in between the cr...In a unified algebraic scheme,we investigate the relation between the E(5) symmetry and the interacting boson model beyond the mean-field level.The results indicate that the E(5) symmetry is actually in between the critical point of the U(5)-O(6) transition and the O(6) limit but it is fairly close to the former based on the phase diagram of the interacting boson model at the large boson number limit.In addition,an algebraic Hamiltonian of the E(5)-β2n model is proposed.展开更多
文摘胎儿生长受限（fetal growth restriction,FGR）/胎儿宫内发育迟缓（in utero growth restriction,IUGR）是指胎儿受各种不利因素的影响,如遗传、环境、营养、疾病等因素,未能达到其潜在所应有的生长速率。根据美国妇产科医师学会（The American College of Obstetricians and Gynecologists,
基金supported by the National Natural Science Foundation of China (Grant Nos.10425521, 10875077, 10935001, and 11005056)the Major State Basic Research Development Program (Grant No.2007CB815000)
文摘In a unified algebraic scheme,we investigate the relation between the E(5) symmetry and the interacting boson model beyond the mean-field level.The results indicate that the E(5) symmetry is actually in between the critical point of the U(5)-O(6) transition and the O(6) limit but it is fairly close to the former based on the phase diagram of the interacting boson model at the large boson number limit.In addition,an algebraic Hamiltonian of the E(5)-β2n model is proposed.
