packed bed grid support rings

См. также в других словарях:

• building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …   Universalium

• literature — /lit euhr euh cheuhr, choor , li treuh /, n. 1. writings in which expression and form, in connection with ideas of permanent and universal interest, are characteristic or essential features, as poetry, novels, history, biography, and essays. 2.… …   Universalium

• Life Sciences — ▪ 2009 Introduction Zoology       In 2008 several zoological studies provided new insights into how species life history traits (such as the timing of reproduction or the length of life of adult individuals) are derived in part as responses to… …   Universalium

• Kunming — 昆明   Prefecture level city   昆明市 Clockwise from top: Kunming s Skyli …   Wikipedia

• Droitwich Canal — Droitwich Canals One of the Hanbury locks Original owner Sir George Duckett Principal engineer James Brindley Date …   Wikipedia