This paper, using the monads theory in the topological space, gives a new characterization of irreducible sets in the nonstandard enlarged models. Further, the discretization expression of Sober topological spaces is ...This paper, using the monads theory in the topological space, gives a new characterization of irreducible sets in the nonstandard enlarged models. Further, the discretization expression of Sober topological spaces is presented.展开更多
This paper investigates sober spaces and their related structures from different perspectives.First,we extend the descriptive set theory of second countable sober spaces to first countable sober spaces.We prove that a...This paper investigates sober spaces and their related structures from different perspectives.First,we extend the descriptive set theory of second countable sober spaces to first countable sober spaces.We prove that a first countable T_(0) space is sober if and only if it does not contain a∏_(2)^(0)-subspace homeomorphic either to S_(D),the natural number set equipped with the Scott topology,or to S_(1),the natural number set equipped with the cofinite topology,and it does not contain any directed closed subset without maximal elements either.Second,we show that if Y is sober,the function space TOP(X,Y)equipped with the Isbell topology(respectively,Scott topology)may be a non-sober space.Furthermore,we provide a uniform construction to d-spaces and well-filtered spaces via irreducible subset systems introduced in[9];we called this an H-well-filtered space.We obtain that,for a T_(0) space X and an H-well-filtered space Y,the function space TOP(X,Y)equipped with the Isbell topology is H-well-filtered.Going beyond the aforementioned work,we solve several open problems concerning strong d-spaces posed by Xu and Zhao in[11].展开更多
对所配制的葛根饮料进行了急性毒性试验及解酒护肝的功效评价。葛根饮料中葛根总异黄酮含量是2%。急性毒性试验,小鼠未出现中毒症状,脏器均未发现病变,葛根功能饮料对雌雄小鼠的急性经口LD50>600 m L/(kg·mb·md),表明该样...对所配制的葛根饮料进行了急性毒性试验及解酒护肝的功效评价。葛根饮料中葛根总异黄酮含量是2%。急性毒性试验,小鼠未出现中毒症状,脏器均未发现病变,葛根功能饮料对雌雄小鼠的急性经口LD50>600 m L/(kg·mb·md),表明该样品无毒。功效评价试验,测试组的平均醉酒时间显著长于空白组(P<0.01),测试组的平均醒酒时间短于空白组(P<0.05)。在1、4、5 h时,测试组血液中乙醇含量低于空白组(P<0.05),在2、6 h时,测试组血液中乙醇含量显著低于空白组(P<0.01)。表明饮酒之前适量饮用葛根饮料能起到增加酒量、防醉、解酒的作用,有效避免或减轻酒精造成的急性肝脏损伤。展开更多
基金Supported by the Natural Science Foundation of Shaanxi Province（2007A12） Supported by the Scientific Research Foundation of Shaanxi Educational Committee（11JK0507）
文摘This paper, using the monads theory in the topological space, gives a new characterization of irreducible sets in the nonstandard enlarged models. Further, the discretization expression of Sober topological spaces is presented.
文摘This paper investigates sober spaces and their related structures from different perspectives.First,we extend the descriptive set theory of second countable sober spaces to first countable sober spaces.We prove that a first countable T_(0) space is sober if and only if it does not contain a∏_(2)^(0)-subspace homeomorphic either to S_(D),the natural number set equipped with the Scott topology,or to S_(1),the natural number set equipped with the cofinite topology,and it does not contain any directed closed subset without maximal elements either.Second,we show that if Y is sober,the function space TOP(X,Y)equipped with the Isbell topology(respectively,Scott topology)may be a non-sober space.Furthermore,we provide a uniform construction to d-spaces and well-filtered spaces via irreducible subset systems introduced in[9];we called this an H-well-filtered space.We obtain that,for a T_(0) space X and an H-well-filtered space Y,the function space TOP(X,Y)equipped with the Isbell topology is H-well-filtered.Going beyond the aforementioned work,we solve several open problems concerning strong d-spaces posed by Xu and Zhao in[11].
文摘对所配制的葛根饮料进行了急性毒性试验及解酒护肝的功效评价。葛根饮料中葛根总异黄酮含量是2%。急性毒性试验,小鼠未出现中毒症状,脏器均未发现病变,葛根功能饮料对雌雄小鼠的急性经口LD50>600 m L/(kg·mb·md),表明该样品无毒。功效评价试验,测试组的平均醉酒时间显著长于空白组(P<0.01),测试组的平均醒酒时间短于空白组(P<0.05)。在1、4、5 h时,测试组血液中乙醇含量低于空白组(P<0.05),在2、6 h时,测试组血液中乙醇含量显著低于空白组(P<0.01)。表明饮酒之前适量饮用葛根饮料能起到增加酒量、防醉、解酒的作用,有效避免或减轻酒精造成的急性肝脏损伤。
