In this article, the fracture behavior of different AlSi coating micro-structures is investigated. By changing heating temperature, are obtained, due to varying diffusivity iron. To study micro-structures, uniaxial tensile tests conducted at 700 °C. The hot test involves as-coated press hardening steel in a furnace temperatures 750, 920 and 1000 °C for 6 minutes dwell time, after which sample c...

Cosmological observations imply that there exists an extremely small upper limit on the vacuum energy density in the present state of our universe. This stands in sharp contradiction with theoretical predictions [1]. In fact, any mass scale in particle physics contributes to the vacuum energy density much larger than this upper bound [2]. According to modern quantum field theory, the structure ...

The effect of pre-heating and post-weld heat treatment on microstructure mechanical properties laser-welded joints in a Ti–23Al–23Nb-1.4V-0.8Zr-0.4Mo-0.4Si (at.%) alloy was studied. Laser beam-welding carried out at room temperature as well after up to 800°С. comprised either air quenching from 920°С followed by aging 800°С or only the fusion zone consisted columnar β-grains welding 400 °C both...

STUDY QUESTION Does maternal smoking during pregnancy and exposure of infants to tobacco smoke at age 4 months increase the risk of caries in deciduous teeth? METHODS Population based retrospective cohort study of 76 920 children born between 2004 and 2010 in Kobe City, Japan who received municipal health check-ups at birth, 4, 9, and 18 months, and 3 years and had information on household sm...

Maczulak AE. Pollution: Treating Environmental Toxins. New York, NY: Infobase Publishing; 2010. p. x+232. ISBN: 978-1-4381-2633-3

References 1 Keller, M. and Zengler, K. (2004) Tapping into microbial diversity. Nat. Rev. Microbiol. 2, 141–150 2 DeLuca, T.H. et al. (2002) Quantifying nitrogen-fixation in feather moss carpets of boreal forests. Nature 419, 917–920 5 Cardinale, B.J. et al. (2006) Effects of biodiversity on the functioning o trophic groups and ecosystems. Nature 443, 989–992 6 Tylianakis, J.M. et al. (2008) G...

Abstract Aim Botulinum toxin A (BoNT-A) injections are a popular non-surgical procedure for facial rejuvenation with increasingly pervasive use in cosmetic clinical practice. This study analyzes the safety profile of glabellar and forehead BoNT-A assesses influence practitioner factor type on complication rate. Method systematic search MEDLINE EMBASE was performed studies reporting complication...