Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Jörg Kirschstein"'
Publikováno v:
Fuel. 70:424-428
In coal pyrolysis O-containing structures such as ether bridges and phenolic groups play an important role. Their reactions were studied by non-isothermal pyrolysis of a high volatile bituminous coal and some model polymers with gas Chromatographic d
Publikováno v:
Studies in Conservation. 45:20-20
In Europe during the Renaissance and Baroque periods it was quite fashionable to construct grottos in parks and gardens, or to decorate halls with decorative clements from nature to make them look like a grotto. In Berlin and Brandenburg several grot