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- Test methods of biodegradation and ecological toxicity were simply described,with pointing that it is urgent to research and develop environmental friendly lubricants. 综述了环境友好润滑剂的定义、种类、应用、添加剂及国内外发展现状，介绍了生物降解试验方法的定义、种类以及生态毒性试验方法。
- Keywords heavy metals;soil;Daphnia magna S traus;ecological toxicity; 重金属;土壤;大型蚤;生态毒理;
- The factory had been sending out toxic fumes. 这家工厂一直在排放有毒的废气。
- Beware how you handle the toxic chemical. 小心处理有毒的化学药品。
- A toxic chemical or other substance. 有毒的化学品或其它物质
- The degree to which a substance is toxic. 毒效一种物质毒性所达到的程度
- ecological toxicity 生态毒性
- The regional ecological system is fragile. 区域生态系统脆弱。
- A substance having a specific toxic effect on certain cells. 细胞毒素对某些细胞有特殊毒害作用的物质
- Where do the first ecological refugees come from? 世界第一批生态难民来自何方?
- Derived from or containing toxic matter. 从有毒物质中获得的或含有有毒物质的
- An Ecological Design Idea for Hongyuan Building. 宏源大厦生态建筑的设计思路。
- Toxic doses can produce a febrile effect. 中毒剂量可产生发热作用。
- Who Make the Ecological and Environmental Crisis? 谁制造了生态与环境灾害?
- Are they metabolized to more toxic compounds. 它们是否被代谢成毒性更强的化合物?
- Who Should Pay for the Ecological Use of Water? 谁为生态用水埋单?
- A toxic condition;toxic hepatitis. 中毒状况，中毒性肝炎
- We also have ecological agriculture. 我们还发展了生态农业呢。
- How Far Away from Which Ecological Economy Does? 生态经济离我们还有多远?
- No toxicity was found in the drug. 毒性实验表明该药物安全无毒。
