SLIDE-VALVE
\slˈa͡ɪdvˈalv], \slˈaɪdvˈalv], \s_l_ˈaɪ_d_v_ˈa_l_v]\
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A dish-shaped rectangular piece, with an accurately plane surface, which is caused by the eccentric to slide in the steam-chest of a steam-engine, so as to open and shut alternately the passages or ports by which the steam enters the cylinder.
By Henry Percy Smith
Word of the day
Proto Oncogene Proteins c erbB 2
- cell surface protein-tyrosine kinase that is found to be overexpressed in significant number adenocarcinomas. It has extensive homology can heterodimerize EGF EPIDERMAL GROWTH FACTOR), 3 receptor (RECEPTOR, 3) and the 4 receptor. Activation of erbB-2 receptor occurs during heterodimer formation with a ligand-bound erbB family members. EC 2.7.11.-.