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After the parliamentary elections, Viktor Orbán, leader of the FIDESZ-Magyar Polgári Párt (Alliance of Young Democrats-Hungarian Civic Party), received a mandate from the president of the republic to form a government and to submit his government programme to parliament. He was elected by...
Persistent link: https://www.econbiz.de/10012446411
This Test Guideline is designed to assess the effects of prolonged exposure to chemicals on the growth of juvenile fish. Juvenile fish in exponential growth phase are placed, after being weighed, in test chambers and are normally exposed to five sublethal concentrations of the test substance...
Persistent link: https://www.econbiz.de/10012441680
This Test Guideline describes a method to estimate the developmental toxicity of a test chemical to the dung dwelling life stages of dung-dependent dipteran species. Two test species can be used. The test chemical is mixed with bovine faeces, to which either 10 eggs of Scathophaga stercoraria or...
Persistent link: https://www.econbiz.de/10012441715
This Test Guideline is designed to assess effects on vegetative vigour of terrestrial plants following above-ground exposure by general chemicals, biocides and crop protection products. The test can be conducted in order to determine the dose-response curve, or at a single concentration/rate as...
Persistent link: https://www.econbiz.de/10012441938
This Test Guideline describes a laboratory test method to assess abiotic hydrolytic transformations of chemicals in aquatic systems at pH values normally found in the environment (pH 4 – 9). This Guideline is designed as a tiered approach; each tier is triggered by the results of the previous...
Persistent link: https://www.econbiz.de/10012441941
Presents the full data set underlying PISA 2006 Volume 1: Analysis. Includes data on student performance in science, student engagement in science, quality and equity in schools, school and system characteristics, and student performance in reading and mathematics.
Persistent link: https://www.econbiz.de/10012442259
studies performed with the substance (normally the rat, a minimum of 4 animals of one sex for each dose). Initial estimation …
Persistent link: https://www.econbiz.de/10012442261
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 report uses recent economic modelling to relate cognitive skills – as measured by PISA and other international instruments – to economic growth, demonstrating that relatively small improvements to labour force skills can largely impact the future well-being of a nation. The report also...
Persistent link: https://www.econbiz.de/10012442577
In this Short-term Toxicity Test on Fish Embryo and Sac-Fry Stages, the life stages from the newly fertilized egg to the end of the sac-fry stage are exposed. The embryo and sac-fry stages of fish are exposed to five concentrations of the test substance dissolved in water. A choice, depending on...
Persistent link: https://www.econbiz.de/10012442902