1. An octa-mer of histones package DNA into a structure called a nucleosome.
一种组蛋白的八聚物把DNA打包成一种叫做核小体的结构。
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2. Octa-iso-pentyloxyphthalocyanine lead with high solubility was designed and synthesized to choose good characteristic phthalocyanine gas sensing material.
为了筛选性能优良的酞菁类气敏性材料,设计合成了可溶性的八异戊氧基酞菁铅。
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3. Nearly every American tested contains traces of penta and octa BDE, the two formulations most widely used in furniture.
几乎每一个接受测试的美国人体都有五溴和八溴二苯醚的痕迹,这两种物质是家具业用得最广泛的。
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4. The two flame retardants tested – penta and octa PBDE – have been banned in the United States since 2006.