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invariance    音标拼音: [ɪnv'ɛriəns]
不变式; 不变性; 不变性质

不变式; 不变性; 不变性质

invariance
不变性

invariance
n 1: the quality of being resistant to variation [synonym:
{invariability}, {invariableness}, {invariance}] [ant:
{variability}, {variableness}, {variance}]
2: the nature of a quantity or property or function that remains
unchanged when a given transformation is applied to it; "the
invariance of the configuration under translation"


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  • What Hazardous Materials Are in Solar Panels? - ScienceInsights
    Solar panels contain several hazardous materials, most notably lead, cadmium, and tellurium in the photovoltaic cells themselves, plus smaller amounts of other heavy metals like copper and tin in the wiring and solder
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    During manufacture and after the disposal of solar panels, they release hazardous chemicals including cadmium compounds, silicon tetrachloride, hexafluoroethane and lead Cadmium telluride (CT) is a highly toxic chemical that is part of solar panels
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    In conclusion, while solar panels predominantly use materials like glass and silicon that are not toxic, certain types and components contain heavy metals such as lead, cadmium, arsenic, and selenium, which require careful disposal and recycling to prevent environmental harm and meet hazardous waste regulations
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    Solar power is improving human health by reducing our reliance on electric power sources that emit toxic chemicals such as sulfur dioxide, nitrogen oxides, and fine particulate matter
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