(PDF) study of groundwater quality in northeastern soums
A total of 24 groundwater samples were collected in 2021, and major ions and trace elements were analysed. As the result, hydro-chemical facies of groundwater in the study area consisted of 33.3% ...
6. Хүнсний бүтээгдэхүүн дэх иодын хэмжээг тогтооход ашигладаг натрийн тиосульфатын 0.1М- /M (Na2S2O3) =158г•моль-1/ A. 3.16грамм В. 6.32грамм C. 7.9 грамм D. 15.8 грамм. A. 60.45% B. 65.31% C. 71.23% D. 91.54% 8. Азот (IV) -ын ...