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Actived: Sunday Feb 28, 2021

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Financialisation and the coupon pool

The value of coupons bought at time T1 depends on the size of the flow of household savings and on the coupon price. The return from the investment depends on the annual stream of interest and dividend payments, and the price of the coupons at time T2, when they are sold.

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BIOFILM FORMATION ON BRASS COUPONS EXPOSED TO COOLING WATER

BIOFILM FORMATION ON BRASS COUPONS EXPOSED TO COOLING WATER . M.T.S. Lutterbach 1 and F.P. de França 2 1 Instituto de Microbiologia / Universidade Federal do Rio de Janeiro (UFRJ) - Rio de Janeiro, RJ - Brazil 2 Departamento de Engenharia Bioquímica Escola de Química - Universidade Federal do Rio de Janeiro Centro de Tecnologia, Bloco E, Ilha do Fundão - Rio de Janeiro, RJ - 21941 900 - Brazil

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Biofilm Formation on Different Materials Used in Oral

Myers, FL, Germany). The material coupons were placed in 24-well plates containing 2 mL of BHI 5% S and 0.1 mL of human saliva. The 24-well plates were subsequently incubated at 36.8 ºC under microaerophilic conditions (CO 2 5%) to mimic the conditions in the oral environment. Optical Density Analysis (OD):

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Microbiologically-Influenced Corrosion of 1020 Carbon

Carbon steel AISI 1020 coupons (2.0 cm x 1.8 cm x 0.1 cm) were used for cellular quantification and morphologic evaluation. The composition of the carbon steel was as follows (% mass): C 0.180, Mn 0.630, P max 0.035, S max 0.035 29. Samples of the same type of steel were used in the electrochemical experiments. In this case, the coupons were

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Soil Corrosion of the AISI1020 Steel Buried Near

(UNS G10200) 19 carbon steel coupons with the dimensions of 70 × 20 × 2 mm and provided with a hole of 2mm diameter at the upper part. These samples were sequentially ground on all sides with emery papers of granulometry up to 4000 mesh. The studies were performed near a power transmission tower located in Porto Alegre, Brazil, at

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Surface Contact Fatigue Failure of a Case Hardened Pinion

surface, resulting in the separation and breaking off of large pieces of gear/pinion tooth flank material, and in some cases, even of large sections of the tooth. The main factors • Charpyimpact tests of type-A test coupons in ambient 2014; 17(3) Surface Contact Fatigue Failure of a Case Hardened Pinion Shaft 537

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Damage evaluation and failure mechanism analysis of steel

were cut off at 40 mm from both ends. The basic information of test specimens are listed in . For concise-Table 1 ness, C-1-60, C-2-60, C-2-80 are used to denote the three test group in the fowling chapter.

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Displacement rate effect on the flexural properties of

After 2 hours at 24ºC the laminates are cured and coupons were water jet cutted in 250 mm x 25 mm. Syntho-Glass XT specimens yield and then break before the 5% strain limit. composites were tested in flexion at 23°C in a Shimadzu AGX-100 universal testing machine according to ASTM D790 21. Tests were performed at displacement rates of 0.2,

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Microbiologically-Influenced Corrosion of 1020 Carbon

In order to perform SEM analysis after removing the biofilm, the coupons were pickled in Clark solution (HCl (100 mL), Sb 2 O 3 (2.00 g) and SnCl 2 (5.00 g)) for 2 minutes. Then, the coupons were washed with distilled water and dried in a current of air.

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