نتایج جستجو برای: evolution of hydrogeochemistry

تعداد نتایج: 21186830  

Journal: :E3S web of conferences 2023

The chemical composition of the waters quarry lakes formed as a result development Zavitinskoye lithium-beryllium deposit located in Eastern Transbaikalia (Russia) has been studied. studied ore pits are fresh with neutral and slightly alkaline reaction, mainly magnesium-calcium sulfate type. It was found that contain high concentrations lithium (Li) strontium (Sr), isolated cases arsenic (As). ...

2011
H. LISSNER M. WEHRER E. OHTANI

Large amounts of the deicing chemicals (DIC) propylene glycol (PG) and formate are spread for removal of snow and ice on the aircrafts and airfields every winter. A considerable amount of these chemicals are carried into surrounding areas, where they mix with snow and infiltrate in the soil during snowmelt. Even though DIC are easily degradable, the high mobility and the high biological oxygen ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید