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王湘月 《课堂内外(高中版)》2011,(10):32-33
2011年7月25日,杭州"假小子"叶诗文在上海第1 4届游泳世锦赛上获得200米混合泳冠军,15岁的她是中国水军历史上最年轻的个人单项长池世锦赛冠军,也是世界上第—位赢得世锦赛个人单项金牌的"95后"选手。 相似文献
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近几年来.小学生体力劳动的机会越来越少,尤其是城市的小学生更是如此。一些独生于女.几乎没有体力劳动。他们过着“饭来张口,衣来伸手”的生活。如此下去.其后果真是不堪设想。“热爱劳动”的光荣传统丢掉了.把孩于们也惯坏了,这是我们最不愿意看到的结果。马克思说:“体力劳动是防止一切社会病毒的消毒剂。”我们党一贯重视学生的劳动教育,过去讲“五爱”,其中之一就是“爱劳动”。我们应该重视劳动教育,发扬“热爱劳动”的光荣传统.让小学生从小养成劳动的习惯。就在我冥思苦索不知所措的时候,一次支教活动却告诉了答案。 相似文献
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近期在全球各大媒体纷纷报道,有一种威力巨大的超级病菌“食人菌”。(MRSA)目前正在美国、日本及欧洲一些国家肆虐蔓延,这种抗药性极强的“食人菌”病例.严重者须截肢,甚至死亡,“食人菌”一时引起人们的心理恐慌。 相似文献
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Characterization of predominant bacteria isolates from clean rooms in a pharmaceutical production unit 总被引:1,自引:0,他引:1
Aims: To screen for the predominant bacteria strains distributed in clean rooms and to analyze their phylogenetic relationships. Methods and Results: The bacteria distributed in air, surfaces and personnel in clean rooms were routinely monitored using agar plates. Five isolates frequently isolated from the clean rooms of an aseptic pharmaceutical production workshop were selected based on their colony and cell morphology characteristics. Their physiological and biochemical properties, as well as partial 16S rDNA sequences, were analyzed. Results showed that all the five isolates belong to Gram positive bacteria, of which three were Staphylococcus, one Microbacterium and one Bacillus species. Sensitivity tests for these bacteria isolates to 3 disinfectants showed that isolate F03 was obtuse, and had low susceptivity to UV irradiation, while isolates F02, F01 and F04 were not sensitive to phenol treatment. Isolates F04, F01 and F05 were resistant to chlorhexidine gluconate. Conclusion: Bacteria widely distributed in clean rooms are mainly a group of Gram positive strains, showing high resistance to selected disinfectants. Significance and impact of the study: Clean rooms are essential in aseptic pharmaceutical and food production. Screening bacteria isolates and identifying them is part of good manufacturing practices, and will aid in finding a more effective disinfection method. 相似文献
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市售漂白粉与漂白精的对比分析 总被引:2,自引:0,他引:2
漂白粉和漂白精是常用的漂白剂和消毒剂。本就此进行了对比,反澄清人们在认识上的一些误区。 相似文献
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炎炎酷暑热浪袭人,真让孩子们难熬,期望中一个"清凉的暑假"原本可以爽口、爽心、怡神、清脑,让身心得以充分的休整,但事与愿违,"清凉景致"难觅踪影,到处可见"补习之羹"热气腾腾,五花八门的"辅导快餐"热火朝天,名目繁多的"特长小吃"热闹非凡,漫天飞舞的"游历大餐"热力四射……被这些"热门景 相似文献
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2020年11月21日,世界最深游泳池在波兰的姆什乔努夫镇开业。它位于波兰中部,距华沙大约40公里。泳池深45.5米,大概相当于11~12层楼的高度。蓄水量达8000立方米,是常规25米长泳池蓄水量的20多倍。称它为“深水点”(deepspot),真是名副其实。 相似文献