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Persistent link: https://www.econbiz.de/10013525562
This dataset contains annual labour market statistics on the duration of unemployment - = 1 month and = 3 months and = 6 months and 1 year, 1 year and over, total declared and total - by sex and standardised age groups (15-19, 15-24, 20-24, 25-54, 55+, total). Data are expressed in thousands of...
Persistent link: https://www.econbiz.de/10013525668
This Test Guideline is designed to assess the toxicity of chemicals on the growth of the rooted aquatic plants (Myriophyllum spicatum) growing in water-sediment system. Shoot apices of healthy and non-flowering plant are potted in standardised, artificial sediment supplemented with additional...
Persistent link: https://www.econbiz.de/10012448789
This Test Guideline is designed to assess the toxicity of chemicals on the growth of submerged aquatic plants Myriophyllum spicatum growing in a sediment-free test system. In a modified Andrews’ medium Myriophyllum spicatum plant cultures are exposed to at least five different concentrations...
Persistent link: https://www.econbiz.de/10012448807
Schools are not only places where students acquire academic skills; they are also social environments where children can develop the social and emotional competencies that they need to thrive. Yet despite the global interest in students’ well-being, there is no consensus on which policies or...
Persistent link: https://www.econbiz.de/10012454648
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
The purpose of the Dominant lethal (DL) test is to investigate whether chemical agents produce mutations resulting from chromosomal aberrations in germ cells. In addition, the dominant lethal test is relevant to assessing genotoxicity because, although they may vary among species, factors of in...
Persistent link: https://www.econbiz.de/10012450724
Persistent link: https://www.econbiz.de/10014324487
This dataset contains annual labour market statistics on the duration of unemployment - = 1 month and = 3 months and = 6 months and 1 year, 1 year and over, total declared and total - by sex and standardised age groups (15-19, 15-24, 20-24, 25-54, 55+, total). Data are expressed in thousands of...
Persistent link: https://www.econbiz.de/10014324714
Private schools cater for around 1 in 5 students from pre-primary to the end of secondary education, a share that has not changed materially since 2015. They enjoy greater autonomy, suffer fewer shortages of all kinds and handled the COVID-19 pandemic better than public schools. Although their...
Persistent link: https://www.econbiz.de/10014491284