U.S. basketball back to its winning best at the Beijing Olympics Kobe Bryant, the most valuable player in the 2007/8 NBA season, pointed to his U.S.A. vest in triumph as the final whistle blew on the clash with Spain....U.S. basketball back to its winning best at the Beijing Olympics Kobe Bryant, the most valuable player in the 2007/8 NBA season, pointed to his U.S.A. vest in triumph as the final whistle blew on the clash with Spain. The United States ended an eight- year title drought in men’s basketball on August 24,展开更多
The Scandinavian Caledonides comprise nappe stacks of far-travelled allochthons that record closure of the Iapetus Ocean and subsequent continental collision of Baltica and Laurentia.The Seve Nappe Complex(SNC)of the ...The Scandinavian Caledonides comprise nappe stacks of far-travelled allochthons that record closure of the Iapetus Ocean and subsequent continental collision of Baltica and Laurentia.The Seve Nappe Complex(SNC)of the Scandinavian Caledonides includes relics of the outermost Baltoscandian passive margin that were subducted to mantle depths.The earliest of the deep subduction events has been dated to ca.500-480 Ma.Evidence of this event has been reported from the northern exposures of the SNC.Farther south in the central and southern segments of the SNC,(ultra)high-pressure rocks have yielded younger ages in the range of ca.470-440 Ma.This study provides the first record of the early Caledonian event in the southern SNC.The evidence has been obtained by depth profiling of zircon grains that were extracted from the Tv?r?klumparna microdiamond-bearing gneiss.These zircon grains preserve eclogite facies overgrowths that crystallized at 482.6±3.8 Ma.A second,chemically-distinct zircon overgrowth records granulite facies metamorphism at 439.3±3.6 Ma,which corroborates previous geochronological evidence for granulite facies metamorphism at this time.Based on these results,we propose that the entire outer margin of Baltica was subducted in the late Cambrian to early Ordovician,but the record of this event may be almost entirely eradicated in the vast majority of lithologies by pervasive late Ordovician to early Silurian metamorphism.展开更多
This study presents the structure and application of dunk tanks in high-level biosafety laboratories.The test methods and sterilization effects of dunk tanks were evaluated by using Bacillus subtilis as indicator.Resu...This study presents the structure and application of dunk tanks in high-level biosafety laboratories.The test methods and sterilization effects of dunk tanks were evaluated by using Bacillus subtilis as indicator.Results showed that sterilization effects of dunk tanks could be achieved by immersing the goods in 0.5%sodium hypochlorite disinfectant solution for 30 min at room temperature.Neutralizer sodium thiosulfate had no effect on the growth of Bacillus subtilis,and thus would not affect the disinfection results of sodium hypochlorite.Furthermore,suggestions for safe operation of dunk tanks are also provided in this study.展开更多
New Zealand became the first developed country to sign a free trade agreement with China The three years of hard work on nego- tiating a free trade agreement finally paid off for China and New Zealand. Chinese Commerc...New Zealand became the first developed country to sign a free trade agreement with China The three years of hard work on nego- tiating a free trade agreement finally paid off for China and New Zealand. Chinese Commerce Minister Chen Deming and Trade Minister of New Zealand Phil Goff formally signed a free trade agree- ment (FTA) on April 7 in Beijing.It was the first FTA that the Chinese Government signed with a developed country.展开更多
A low-key but elegant wedding ceremony at Shanghai’s five-starShangri-La Hotel on August 6 looked ordinary enough until the brideand groom walked down the aisle. He is 7-foot-6-inch and she is 6-foot-
文摘U.S. basketball back to its winning best at the Beijing Olympics Kobe Bryant, the most valuable player in the 2007/8 NBA season, pointed to his U.S.A. vest in triumph as the final whistle blew on the clash with Spain. The United States ended an eight- year title drought in men’s basketball on August 24,
基金funded by the National Science Centre,Poland CALSUB project no.2014/14/E/ST10/00321financial support has been provided by the Polish National Agency for Academic Exchange Scholarship PPN/IWA/2018/1/00030/U/00001 granted to C.Barnes。
文摘The Scandinavian Caledonides comprise nappe stacks of far-travelled allochthons that record closure of the Iapetus Ocean and subsequent continental collision of Baltica and Laurentia.The Seve Nappe Complex(SNC)of the Scandinavian Caledonides includes relics of the outermost Baltoscandian passive margin that were subducted to mantle depths.The earliest of the deep subduction events has been dated to ca.500-480 Ma.Evidence of this event has been reported from the northern exposures of the SNC.Farther south in the central and southern segments of the SNC,(ultra)high-pressure rocks have yielded younger ages in the range of ca.470-440 Ma.This study provides the first record of the early Caledonian event in the southern SNC.The evidence has been obtained by depth profiling of zircon grains that were extracted from the Tv?r?klumparna microdiamond-bearing gneiss.These zircon grains preserve eclogite facies overgrowths that crystallized at 482.6±3.8 Ma.A second,chemically-distinct zircon overgrowth records granulite facies metamorphism at 439.3±3.6 Ma,which corroborates previous geochronological evidence for granulite facies metamorphism at this time.Based on these results,we propose that the entire outer margin of Baltica was subducted in the late Cambrian to early Ordovician,but the record of this event may be almost entirely eradicated in the vast majority of lithologies by pervasive late Ordovician to early Silurian metamorphism.
基金supported by the National Key Research and Development Program of China(Project No.2018YFC1200305).
文摘This study presents the structure and application of dunk tanks in high-level biosafety laboratories.The test methods and sterilization effects of dunk tanks were evaluated by using Bacillus subtilis as indicator.Results showed that sterilization effects of dunk tanks could be achieved by immersing the goods in 0.5%sodium hypochlorite disinfectant solution for 30 min at room temperature.Neutralizer sodium thiosulfate had no effect on the growth of Bacillus subtilis,and thus would not affect the disinfection results of sodium hypochlorite.Furthermore,suggestions for safe operation of dunk tanks are also provided in this study.
文摘New Zealand became the first developed country to sign a free trade agreement with China The three years of hard work on nego- tiating a free trade agreement finally paid off for China and New Zealand. Chinese Commerce Minister Chen Deming and Trade Minister of New Zealand Phil Goff formally signed a free trade agree- ment (FTA) on April 7 in Beijing.It was the first FTA that the Chinese Government signed with a developed country.
文摘A low-key but elegant wedding ceremony at Shanghai’s five-starShangri-La Hotel on August 6 looked ordinary enough until the brideand groom walked down the aisle. He is 7-foot-6-inch and she is 6-foot-
