VARIANTS FOR EVALUATING THE RIGIDITY OF FLAT RING FLANGES

VARIANTS FOR EVALUATING THE RIGIDITY OF FLAT RING FLANGES

This paper describes an analytical way of comparative evaluation of the stiffnesses developed in assemblies with flat ring flanges, of optional type, welded to the cylindrical body of a pressure vessel.Based on the theory of the compatibility of deformations (radial displacements and rotations), the mathematical expressions necessary for the evalua

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Role of novelty seeking personality traits as mediator of the association between COMT and onset age of drug use in Chinese heroin dependent patients.

Personality traits such as novelty seeking (NS) are associated with substance dependence but the mechanism underlying this association remains uncertain.Previous studies have focused on the role of the dopamine pathway.Examine the relationships between allelic variants of the catechol-O-methyltransferase (COMT) gene, NS personality traits, Classica

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Strategic trade and FDI policies in a unionized industry

This paper analyzes the differences between strategic trade and the competitionm policies (in the form of inward Foreign Direct Investment) to regulate a unionized monopoly in the Default domestic country.With decentralized negotiations both policies reduce labour and product market distortions.However the fixed cost for the foreign entrant and the

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Addition of Organic Acids and Lactobacillus acidophilus to the Leguminous Forage Chamaecrista rotundifolia Improved the Quality and Decreased Harmful Bacteria of the Silage

This study aimed to investigate the effects of citric acid, malic acid, and Lactobacillus acidophilus (L) on fermentation parameters and the microbial community of leguminous Chamaecrista rotundifolia silage.Fresh C.rotundifolia was treated without any additive (CK), or with L (106 CFU/g fresh weight), different levels (0.1, 0.3, 0.5, and 1% fresh

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