1. The significant chemical hazards were poisonous metal elements, pesticide residues, dioxin, forbidden feed additives and antibiotic residues.
化学性的显著危害主要有：重金属、农药残留、二恶英、违禁添加剂、抗生素残留等；
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2. It presents the idea that under the non-saturated environment of rock-soil, the poisonousmetal exists chiefly in the form of residual appearance.
本文以大量的实际资料为依据，阐述了毒性金属形态变化与岩土饱水性的关系，提出了在非饱和环境的岩土中。
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3. Arsenic is a poisonousmetal that has long been linked to an increased risk of cancers, diabetes, thickening of the skin, diseases of the liver and digestive complications.
砷是有毒的金属物质，很久以来认为它能诱发癌症、糖尿病、皮肤变厚、肝病和消化系统并发症。
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4. The poisonous heavy metal is one of the major pollutants.
有毒重金属是主要污染物之一。
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5. The metal elements such as sodium and calcium in catalytic cracking feed were poisonous to the catalyst.
催化裂化原料中钠、钙等金属元素的含量较高时会导致催化剂结块、中毒。
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6. The poisonous heavy metal is one of pollutants.
有毒重金属是重要的污染物之一。
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7. Electronic waste contains different kinds, components and poisonous substances; it has become the largest pollution source of heavy metal in the solid waste.
电子废弃物种类繁多、成分复杂，含有多种有毒、有害物质，已成为固体废物中最大的重金属污染源。
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8. The invention has the advantages of moderate reaction condition, no toxicity and no harm in the preparation process, and the product enhances the adsorption capacity on the poisonous heavy metal.
本发明的优点是：制备过程反应条件温和、无毒、无害，产物提高了对有毒重金属的吸附性能。
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9. The invention has the advantages of moderate reaction condition, no toxicity and no harm in the preparation process, and the product enhances the adsorption capacity on the poisonous heavy metal.
