For assessing the impact of working capital management on the profitability of National Aluminium Company Limited during the period of 6 years, i.e., from 2004–2005 to 2009–2010, Pearson's coefficient of correlation and multiple regression analysis between some ratios relating to working capital ...
A farmer from Changde, Hunan province, shows a healthy orange next to some grown in soil contaminated with aluminium (Image: Alamy) In 2018, results were published from the survey of pollution of agricultural land, which again warned of pollution risks in some soil. ...
Boxes were filled with 80 ml water and wrapped with aluminium foil. The Falcon tubes clay substrate was hydrated with 20 ml Long Ashton low phosphate solution (Hewitt et al, 1966). In each tube one seed was placed underneath the surface of the substrate, and a hundred of fungal spores wer...