Yet the alchemists had their triumphs, inventing brilliant new pigments, perfecting the old - red lead oxide, yellow arsenic sulfide, a little copper and vinegar and you've got bright green verdigris.
尽管如此，炼金术士还是获得了许多成就，他们创造了色彩鲜艳的天然色素，使原来的色素更完美——红色的氧化铅，黄色的硫化砷，少许铜加上醋，你就会得到明亮的绿色的铜绿。
In addition to the main content of phosphorus, yellow phosphorus products also contain other impurities, such as organic impurities, arsenic, lead, sulfur and so on.
黄磷产品中除了主含量磷以外，还含有其他杂质，如：有机杂质、砷、铅、硫等。
The present study has investigated biological effects of arsenic on clay pan yellow cinnamon soil, red soils (with high fertility and low fertility) and paddy soil.
通过室内培养及室外盆栽实验，研究了砷在粘盘黄褐土、红壤(高肥力、低肥力)、水稻土上的生物学效应。
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