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This Test Guideline describes the determining of the ultraviolet-visible (UV-VIS) absorption spectrum of a chemical compound to have some indication of the wavelengths at which the compounds may be susceptible to photochemical degradation. Degradation will depend upon the total energy absorbed...
Persistent link: https://www.econbiz.de/10012443900
This Test Guideline describes an assay that assesses early life-stage effects and potential adverse consequences of putative endocrine disrupting chemicals (e.g. oestrogens, androgens and steroidogenesis inhibitors) on fish sexual development. In the test, fish are exposed, from newly fertilized...
Persistent link: https://www.econbiz.de/10012442297
This Test Guideline is designed to assess the toxicity of substances to freshwater aquatic plants of the genus Lemna (duckweed). Exponentially growing plant cultures of the genus Lemna (Lemna gibba and Lemna minor usually) are allowed to grow as monocultures in, at least, five concentrations of...
Persistent link: https://www.econbiz.de/10012443826
This Test Guideline describes the procedure for the electronic determination of pH of an undiluted aqueous solution or dispersion, the pH of a dilution of a solution or dispersion in water, or the pH of a chemical diluted to end-use concentration. It also describes procedures to determine acid...
Persistent link: https://www.econbiz.de/10012450461
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Both firms, keen to improve their competitiveness, and governments, keen to exploit new sources of economic and social progress, need to understand how innovation works in order to better stimulate it. The paradox of innovation is that it uses co-operation to enhance competition and to link many...
Persistent link: https://www.econbiz.de/10012441246
The semiconductor value chain is essential for modern economies but is prone to disruptions that pose considerable risks. Policy makers need robust data to help address a wide array of issues such as identifying bottlenecks, monitoring the balance between supply and demand of specific...
Persistent link: https://www.econbiz.de/10015082640
volatility and its effects on food security is a complex issue with many dimensions, agricultural and non-agricultural, short and … begins with a discussion of volatility and of the ways in which volatility affects countries, businesses, consumers and … volatility in future. This report offers suggestions for a systematic and internationally coordinated response building on the …
Persistent link: https://www.econbiz.de/10012247809