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-
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-
