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This guidance standard defines activities appropriate for ensuring that the quality of ecological assessments in surface waters (including rivers
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
This guidance standard will define activities appropriate for ensuring that the quality of ecological assessments in surface waters (including rivers
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment English version of DIN EN 14996:2006-08
This guidance standard defines activities appropriate for ensuring that the quality of ecological assessments in surface waters (including rivers
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment.
This guidance standard defines activities appropriate for ensuring that the quality of ecological assessments in surface waters (including rivers
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
本标准适用于以低密度聚乙烯(LDPE)、线性低密度聚乙烯 (LLDPE)、高密度聚乙烯（HDPE）或其共混料为主要原料，加入氧化-生物双降解添加剂及其他辅助材料，经加工制得的氧化-生物双降解生态地膜
The guideline VDI 4330 Part 1 applies to the monitoring of ecological effects of genetically modified plants (GMPs) and does not address possible
Monitoring the ecological effects of genetically modified organisms - Genetically modified plants - Basic principles and strategies
本标准规定了水下爆破作业对水生生物资源及生态环境损害评估的主要内容、方法和要求。 本标准适用于中华人民共和国管辖的水域内水下爆破作业对水生生物资源及生态环境损害评估
Damaging assessment method of underwater blast operation on aquatic biological resources and ecological environment
本标准规定了微生物发酵床生态猪养殖技术规程的术语定义、场址选择、圈舍建设、有益微生物的采集、分离、培养、垫料、发酵床日常维护、猪的饲养管理、消毒，档案记录管理等内容。 本标准适用于微生物发酵床生态猪的养殖与管理
Plastics. Soil biodegradable materials for mulch films for use in agriculture and horticulture. Requirements and test methods regarding biodegradation, ecotoxicity and control of constituents. Requirements and test methods regarding biodegradation, ecotox
Product for reproduction. Semen. Physical, biological, biochemical, morphological analysis technique
This guidance standard defines activities appropriate for ensuring that the quality of ecological assessments in surface waters (including rivers
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
This guidance standard will define activities appropriate for ensuring that the quality of ecological assessments in surface waters (including rivers
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment English version of DIN EN 14996:2006-08
This guidance standard defines activities appropriate for ensuring that the quality of ecological assessments in surface waters (including rivers
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment.
This guidance standard defines activities appropriate for ensuring that the quality of ecological assessments in surface waters (including rivers
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment
本标准适用于以低密度聚乙烯(LDPE)、线性低密度聚乙烯 (LLDPE)、高密度聚乙烯（HDPE）或其共混料为主要原料，加入氧化-生物双降解添加剂及其他辅助材料，经加工制得的氧化-生物双降解生态地膜
The guideline VDI 4330 Part 1 applies to the monitoring of ecological effects of genetically modified plants (GMPs) and does not address possible
Monitoring the ecological effects of genetically modified organisms - Genetically modified plants - Basic principles and strategies
本标准规定了水下爆破作业对水生生物资源及生态环境损害评估的主要内容、方法和要求。 本标准适用于中华人民共和国管辖的水域内水下爆破作业对水生生物资源及生态环境损害评估
Damaging assessment method of underwater blast operation on aquatic biological resources and ecological environment
本标准规定了微生物发酵床生态猪养殖技术规程的术语定义、场址选择、圈舍建设、有益微生物的采集、分离、培养、垫料、发酵床日常维护、猪的饲养管理、消毒，档案记录管理等内容。 本标准适用于微生物发酵床生态猪的养殖与管理
Plastics. Soil biodegradable materials for mulch films for use in agriculture and horticulture. Requirements and test methods regarding biodegradation, ecotoxicity and control of constituents. Requirements and test methods regarding biodegradation, ecotox
Product for reproduction. Semen. Physical, biological, biochemical, morphological analysis technique
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