, ▁there ▁is ▁no ▁compreh ensive ▁university ▁ranking ▁because ▁of ▁the ▁standard ization ▁of ▁the ▁univers ities ▁in ▁Germany , ▁sharp ly ▁contrast ing ▁to ▁the ▁university ▁system ▁in ▁U . ▁S . ▁A . ▁However , ▁the ▁inst itute ▁for ▁evaluation ▁of ▁univers ities ▁in ▁Germany ▁has ▁reported ▁the ▁ranking ▁of ▁the ▁depart ments ▁in ▁ann ually . ▁In ▁this ▁ranking , ▁University ▁of ▁D uis burg - E ss en ▁is ▁ranked ▁in ▁a ▁high ▁position ▁in ▁the ▁science ▁and ▁engineering ▁field . ▁Es pecially , ▁the ▁department ▁of ▁physics ▁is ▁ranked ▁as ▁the ▁top ▁ 1 ▁university ▁in ▁Germany . ▁ ▁Me as ured ▁by ▁the ▁number ▁of ▁top ▁man agers ▁in ▁the ▁German ▁economy , ▁University ▁of ▁D uis burg - E ss en ▁ranked ▁ 1 5 th ▁in ▁ 2 0 1 9 . ▁ ▁Consider ing ▁their ▁rank ings ▁in ▁the ▁Times ▁High er ▁Education ▁World ▁University ▁Rank ings ▁c itation ▁index ▁from ▁ 2 0 1 9 , ▁the ▁University ▁of ▁D uis burg - E ss en ▁ranks ▁fifth ▁in ▁Germany , ▁behind ▁Heidel berg , ▁the ▁Berlin ▁Char ité , ▁Ul m ▁and ▁H ohen heim , ▁thus ▁displaying ▁its ▁particular ▁scientific ▁success ▁and ▁high ▁product ivity . ▁In ▁an ▁international ▁comparison ▁of ▁the ▁univers ities ▁most ▁frequently ▁c ited ▁in ▁scientific ▁publications , ▁the ▁University ▁of ▁D uis burg - E ss en ▁is ▁in ▁ 1 0 3 rd ▁place . ▁Over all , ▁the ▁University ▁of ▁D uis burg -