closed disk

closed disk

[¦klōzd ′disk]
(mathematics)
A circle and its interior. Also known as disk.
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Tenders are invited for Mannually Operated Butterfly Valve , Size :300 Nb, Class#150 As Per Technical Specification Enclosed Product Features:- According To Awwa Class 150b, Automatic Soft Sealing System, Disk With Closed Disk Eyes And Double Offset, Flange To Flange- 203 Mm, Flange Od- 483 Mm, Pcd- 432 Mm, No Of Holes- 12 , Medium- Water, Temp- 50"C Material:- Body & Disk - Ductile Cast Iron Astm A536 Gr65-45-12 (En-Js 1050 (Ggg-50), Shaft:- Stainless Steel Aisi 304, Bearing Bushes:- Bronze, Body Seat -Nickel Weld Overlay, Microfinished, Profile Sealing Ring- Ss Aisi 304, O-Ring- Epdm Corrossion Protection:- Epoxy Coated (Thickness- Min.
The function [MATHEMATICAL EXPRESSION NOT REPRODUCIBLE IN ASCII], [gamma] [not equal to] 0 is univalent in U iff [gamma] is either in closed disk [absolute value of [gamma] - 1] [less than or equal to] 1 or in the closed disk [[absolute value of [gamma] + 1] [less than or equal to] 1.
2] is a closed disk of radius R centred at the origin O, whereas {[Z.