Tapered NPT (National Pipe Thread) fittings are limited in pressure range and are cumbersome because you have to use a sealant such as Teflon tape. Valves There a few types of valves that can be designed into a pressure circuit. Primarily these are ball, needle, stem and gate valve...
The article discusses research conducted at the School of Philanthropy at Indiana University in Bloomington on identifying narcissistic people and mentions topics such as the Single Item Narcissism Scale (SINS), implications of narcissism to society and experiments on the validity of SINS.Usa Today ...
3 Carbon Double Helices: Directed Syntheses of Wirelike Pt(CࣕC)nPt Moieties That Are Spanned by Two P(CH2)mP Linkages via Alkene Metathesis.]]>Reactions of trans-(C6F5)(Ph2P(CH2)m′CH=CH2)2PtCI (1; m′ = a, 6; b, 7; c, 8; d, 9; e, 10) and H(C≡C)2H (HNEt2, ...