肯塔基东部电力合作社已同环保组织签署了一份环保方案，根据这个方案，它将新安装污染控制设备，并加强对可再生替代能源的探测。
East Kentucky Power also signed a settlement with environmental groups under which it will install additional pollution-control devices and further explore renewable energy options.
Farihi及其团队观察了斯隆数字巡天项目探测到的带有特定钙污染光谱标志的146颗白矮星。
Farihi and his team looked at 146 white dwarfs detected by the Sloan Digital Sky Survey that show the spectral signature of calcium pollution.
维斯必须蒸馏、加热并使空气样品通过吸附剂，以除去二氧化碳和氪等会污染极灵敏的探测器的气体。
Weiss had to distill, heat and pass the air samples over adsorbents to remove gases such as carbon dioxide and krypton that could foul the extremely sensitive detector.
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