The above titled article by Gregory Ryskin(Robert R.McCormick School of Engineering and Applied Science,North-western University,Evanston,IL 60208,USA.E-mail:ryskin@northwestern.edu)is published in the December 2010 i...The above titled article by Gregory Ryskin(Robert R.McCormick School of Engineering and Applied Science,North-western University,Evanston,IL 60208,USA.E-mail:ryskin@northwestern.edu)is published in the December 2010 issue of Reports on Progress in Physics could be of interest to many in the Earth Science community.It is available for download from the Institute of Physics,U.K.,http://stacks.iop.org/RoPP/73/122801(free till the end of January).The abstract of the article is reproduced here for the benefit of our readers.Abstract:The timeline of the Earth’s history reveals quasi-periodicity of the geological record over the last 542 Myr,on timescales close,in the order of magnitude,to 1 Myr.展开更多
The progress of the World Bank loaned TB control project implemented from the second quarter of 1991 to the fourth quarter of 1993 was reported in this paper. In the past three years, 737 counties of the 12 provinces ...The progress of the World Bank loaned TB control project implemented from the second quarter of 1991 to the fourth quarter of 1993 was reported in this paper. In the past three years, 737 counties of the 12 provinces with the popula-展开更多
The global push toward carbon neutrality has reached a critical juncture.One decade after the Paris Agreement to fight global warming was adopted,nations are navigat-ing complex pathways to turn their comm Aments into...The global push toward carbon neutrality has reached a critical juncture.One decade after the Paris Agreement to fight global warming was adopted,nations are navigat-ing complex pathways to turn their comm Aments into tangible action.Against this backdrop,the Global Carbon Neutrality Forum was held at Tsinghua University in Beijing on September 26,during which the 2025 Global Carbon Neutrality Annual Progress Report was launched.展开更多
文摘The above titled article by Gregory Ryskin(Robert R.McCormick School of Engineering and Applied Science,North-western University,Evanston,IL 60208,USA.E-mail:ryskin@northwestern.edu)is published in the December 2010 issue of Reports on Progress in Physics could be of interest to many in the Earth Science community.It is available for download from the Institute of Physics,U.K.,http://stacks.iop.org/RoPP/73/122801(free till the end of January).The abstract of the article is reproduced here for the benefit of our readers.Abstract:The timeline of the Earth’s history reveals quasi-periodicity of the geological record over the last 542 Myr,on timescales close,in the order of magnitude,to 1 Myr.
文摘The progress of the World Bank loaned TB control project implemented from the second quarter of 1991 to the fourth quarter of 1993 was reported in this paper. In the past three years, 737 counties of the 12 provinces with the popula-
文摘The global push toward carbon neutrality has reached a critical juncture.One decade after the Paris Agreement to fight global warming was adopted,nations are navigat-ing complex pathways to turn their comm Aments into tangible action.Against this backdrop,the Global Carbon Neutrality Forum was held at Tsinghua University in Beijing on September 26,during which the 2025 Global Carbon Neutrality Annual Progress Report was launched.