2 Електронні книги від Mildred McCarthy
Mildred McCarthy: Trace Metals
Many types of urban soils, including tree pit soil, contain elevated concentrations of trace metals as compared to agricultural and natural soils. Chapter One describes how trace metals from …
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€137.73
Edward E Feuerstein: Germanium
Germanium is a relatively scarce element found in the Earth’s crust at a concentration of 0.007% in the form of bromides, chlorides, fluorides, iodides, hydrides, oxides, selenides, sulfides and …
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€273.75
