Phân tích tư tưởng của nhân dân qua đoạn thơ: Những người vợ nhớ chồng… Những cuộc đời đã hóa sông núi ta trong Đất nước của Nguyễn Khoa Điềm
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Over the past 25 years the discipline of ecotoxicology has undergone twomajor developments. Firstly, new assays have been developed, deployingorganisms that bear added relevance to the specific environment underinvestigation. Several new procedures assess the effects on organisms afterexposure to environmental samples rather than to spiked water or sedimentsamples. Also noteworthy is the considerable attention given to effects ofchronic exposure to low levels of contaminants. These developments are ofgreat importance for the application of ecotoxicological techniques in riskassessmentapproaches....
Nội dung trích xuất từ tài liệu:
Ecotoxicological Testing of Marine and Freshwater Ecosystems Emerging Techniques, Trends, and Strategies
