The 83-page report was released yesterday, more than five years after doctors first noticed that rescue and recovery workers exposed to the dust — a combination of pulverized concrete and toxic minerals and compounds — were developing persistent respiratory ailments.
However, by knowing the Se minerals and compounds that are relevant, further studies can be undertaken to determine how Se is released from Se-bearing mine waste.
As an igneous intrusion, the Bushveld Complex contains crystalline silica in addition to many other minerals and compounds.
The PCR DGGE analysis showed that the addition of mineral and organic compounds had an influence on the microbial community composition in the short term (up to 10 days) but the effects were not sustained over the 91-day incubation period.
XPS spectra recorded for the CA sample from different patients showed that the variation in the weight of mineral and organic compounds was within 10 20% and the variations in Zn content were within 0.1 0.5 atomic %.
One of the most striking characteristics of humic substances is their ability to interact with metal ions, oxides, hydroxides, mineral and organic compounds, including toxic pollutants, to form water-soluble and water-insoluble complexes.
36 More prevalent nutritional deficiencies following AGB placement include those of iron, folate, thiamine, vitamin B12, and vitamin D. 37 Supplementation with a multivitamin and mineral compound and assessment of nutritional and metabolic parameters on a regular basis can help to prevent nutritional compromise following ABG placement.
TGA was used to quantitatively determine the constituent of minerals and organic compound (including the biopolymer) in the samples.
He also generalized about the electrochemical dualism of other substances including unusual inorganic compounds such as the chlorides of sulfur, double and higher salts, naturally occurring minerals, and organic compounds.
Field experiments were conducted in order to evaluate the effects of integrated use of agricultural waste materials and compound mineral fertilizer on soil and plant nutrient status, growth, and yield of maize in ultisol in the Southern Guinea savanna zone of Nigeria.
