Abstract. According by soil investigation of Ulaanbaatar city area in 2012 soil heavy metal contamination generally was low. In some areas revealed anomaly high content of Chromium, Lead and Zink ...
устгах чийдэнгийн вирусыг устгах нөлөө ба. 2022 1 13 At present many diseases common influenza tuberculosis etc can be spread through the air during the epidemic process The pathogenic bacteria in the air such as tuberculosis influenza virus etc can …
Никель флотацид ашигласан уусгагчдын жагсаалт ... Ашигласан материалын жагсаалт I Монгол хэлээр from ECONOMY 102 at International American University Study Resources Main Menu by School by Literature Title by Subject Textbook Solutions Expert …