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Abstract

The paper offers a critical scrutiny of Leonard Talmy’s comparison of linguistically coded Force Dynamics and modern physics (Talmy 2000 : 456-459). It is argued that six out of seven ‘differences’ mentioned by Talmy are in fact similarities between the naive (linguistic) and the scientific conceptualization of forceful interaction. We have also found that one of the notions of Talmy’s Force Dynamics- the intrinsic force tendency- has no counterpart in either pre-Newtonian theories of force (Aristotle, Philoponus) or intuitive (folk) physics, richly accounted for in numerous empirical studies (e.g., Champagne et al. (1980), Larkin et al. (1980), McCloskey (1983), Halloun et al. (1985), Hammer (1995), diSessa (1988, 1993, 1996).

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Jacek Woźny
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Abstract

Fatigue properties of orthotropic steel bridge deck of Xinghai Bay Cross-sea Bridge in Dalian were analyzed. The segment model of orthotropic bridge deck was established by using the finite element software Abaqus. The intersection between diaphragm and U-rib was selected to analysis. The fatigue loading model III was adopted which was provided by “Specifications for Design of Highway Steel Bridge”. First, the transverse stress influence line and the transverse severest loading position were determined. Then, five loading regions were selected near the transverse severest position. The stress amplitude of the intersection was ascertained through loading on the longitudinal bridge for each region. Finally, the fatigue checking for the intersection was carried out. The results showed that the maximum fatigue stress amplitude of orthotropic deck in Xinghai Bay Cross-sea Bridge met the requirements of "Specifications for Design of Highway Steel Bridge".

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Authors and Affiliations

Wenwu Li
Huili Wang
Sifeng Qin
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Abstract

Using High Performance Liquid Chromatography, concentrations of uric acid in the surface waters of two non-glaciated catchments (Fugle and Dynamisk) on Spitsbergen were measured. Measurements of specific conductivity enabled us to perform tests on the dissolution of the carbonate rocks present in both catchments in both natural and aqueous solutions of uric acid. Samples of calcium urate were made and its water solubility determined. Given a knowledge of concentrations of uric acid, calcium ions and calcium urate solubility product, an estimate of the role of uric acid in the dissolution of carbonate rocks was possible. Uric acid increases the dissolution of carbonate rocks by c. 12.5% in case of the Fugle catchment and 7% in Dynamisk.

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Authors and Affiliations

Maciej Burzyk
Marian Pulina
Mieczysław Sajewicz
Ireneusz Zjawiony

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