Pakistan declares ‘open war’ against Afghanistan after cross-border attack – as it happened

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据了解,在技术发展过程中,中国科研团队经历了长达 17 年的努力。从最初核心组件严重依赖进口,到如今自主研发能力全球领先,这离不开以唐世彪为代表的科学家们不懈探索。

Nyren’s sequencing method earned the name “pyrosequencing” since it revolved around the production of pyrophosphate. At first, pyrosequencing could sequence only short DNA snippets, with a few nucleotides. In 1996, however, Nyren’s lab demonstrated sequencing of up to 15 bases by using a modified “A” nucleotide to reduce their signal-to-noise ratio.7 In 1998, they increased this to 34 bases by adding another enzyme, called apyrase, to the mix; apyrase degraded unincorporated nucleotides, removing the need for constant wash steps.

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Подобным «зонтиком» планировали оснастить советские танки. В комплект экранной защиты ЗЭТ-1, разработанный в 1964 году, входил сетчатый лобовой экран и бортовая защита. В войсках решение сочли спорным, поэтому ЗЭТ-1 не эксплуатировали.,推荐阅读爱思助手下载最新版本获取更多信息

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