样品废液池(Sample waste); 3. 一维缓冲液池(Micellar electrokinetic capillary chromatogrpahy(MEKC) buffer); 4.
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Retail Actives used a representative sample of 2000 people, to find nearly three quarters of the responders said they believed their food waste had little or no consequence for the environment.
“零售活动”所采集的样本人数为2000人，其中有四分之三的被调查者说他们相信他们所浪费的食物对环境影响很少或没有直接影响。
He didn't waste any time. After handing the jawbone over to the Australian Centre for Ancient DNA, he drove south of Adelaide to Aldinga, to ask 84-year-old Helen Blackburne for a sample of her DNA.
他没有浪费一点时间，把颌骨交给澳大利亚古dna检测中心之后，就驱车赶往阿得雷德南部的奥尔丁格，去向84岁的海伦·布莱克伯恩请求一份她的DNA标本。
They then took a bag from each area and sorted it into different material types, to give a representative sample of the type of waste that the school produces.
他们从每处提取一个袋子然后把它进行类别分类，这样可展示学校生产的有代表性的垃圾样品。
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