China is one of the ancient civilization countries. Owing to the blind reclamation, the vegetation had been destroyed, causing soil erosion and desertification, and making the civilization center move to the Changjian...China is one of the ancient civilization countries. Owing to the blind reclamation, the vegetation had been destroyed, causing soil erosion and desertification, and making the civilization center move to the Changjiang (Yangtze) River valley from the Huanghe (Yellow) River. This movement began in the Qin and Han dynasties (221 B.C-220 A.D.) because at that time the large-scale reclamation was felled, the grassland was reclaimed into farmland, the vegetation was seriously destroyed in the loess and north of the Huanghe River, and the climate was getting colder; and the turn from north to south occurred in the Sui and Tang dynasties (581-907 A.D.) and completed in the Song Dynasty (960-1279 A.D.). However, at present the vegetation damage of the Changjiang River valley is very serious too and the silt carrying capacity of the Changjiang River is increasing sharply; thus the Changjiang River is in danger of becoming a second Huanghe River, so we must pay attention to the protection of ecological展开更多
美国在以《自由信息法案》为核心的信息披露制度体系中,通过衔接《公共卫生安全和生物恐怖主义预防和应对法案》,将生物安全信息披露豁免纳入政府信息披露豁免规则之中。本文基于Civil Beat Law Center诉CDC信息披露豁免案来分析美国生...美国在以《自由信息法案》为核心的信息披露制度体系中,通过衔接《公共卫生安全和生物恐怖主义预防和应对法案》,将生物安全信息披露豁免纳入政府信息披露豁免规则之中。本文基于Civil Beat Law Center诉CDC信息披露豁免案来分析美国生物安全信息披露豁免所涉法律适用、解释原则、运行方式等,试洞见其相关披露制度运行的特点和所存在的问题,以期能有助于国内相关的研究。展开更多
文摘China is one of the ancient civilization countries. Owing to the blind reclamation, the vegetation had been destroyed, causing soil erosion and desertification, and making the civilization center move to the Changjiang (Yangtze) River valley from the Huanghe (Yellow) River. This movement began in the Qin and Han dynasties (221 B.C-220 A.D.) because at that time the large-scale reclamation was felled, the grassland was reclaimed into farmland, the vegetation was seriously destroyed in the loess and north of the Huanghe River, and the climate was getting colder; and the turn from north to south occurred in the Sui and Tang dynasties (581-907 A.D.) and completed in the Song Dynasty (960-1279 A.D.). However, at present the vegetation damage of the Changjiang River valley is very serious too and the silt carrying capacity of the Changjiang River is increasing sharply; thus the Changjiang River is in danger of becoming a second Huanghe River, so we must pay attention to the protection of ecological
文摘美国在以《自由信息法案》为核心的信息披露制度体系中,通过衔接《公共卫生安全和生物恐怖主义预防和应对法案》,将生物安全信息披露豁免纳入政府信息披露豁免规则之中。本文基于Civil Beat Law Center诉CDC信息披露豁免案来分析美国生物安全信息披露豁免所涉法律适用、解释原则、运行方式等,试洞见其相关披露制度运行的特点和所存在的问题,以期能有助于国内相关的研究。
