http://dx.doi.org/10.1016/j.ijsolstr.2014.07.009 0020-7683/ 2014 Elsevier Ltd. All rights reserved. ⇑ Corresponding author. Tel.: +1 334 844 3327. E-mail address: [email protected] (H.V. Tippur). 1 In a Polyjet Technology, a thin layer of photopolymer in the liquid state is or sprayed over a build-tray followed UV radiation to cure the polymer. The b moves down incrementally and the computer c...

We propose a magnetic mechanism for the collimated explosion of massive stars relevant for long-duration gamma-ray bursts (GRBs), X-ray Flashes (XRFs) and asymmetric core collapse supernovae. In particular, we apply Lynden-Bell’s magnetic tower scenario to the interior of a massive rotating star after the core has collapsed to form a collapsar with a black hole accretion disk or a millisecond m...

according to the mother's key roles in bringing up emotional and cognitive abilities of mentally retarded children and respect to positive psychology in recent decades, this research is administered to assess the relation between mother's happiness level with cognitive- executive functions (i.e. attention, working memory, inhibition and planning) and facial emotional recognition ability as two ...

nowadays distillation is recognized as one of the economical and the most trustable separation methods in chemical, petroleum, gas and petrochemical industries. it is almost used as a first and the most applicable choice in separation methods. in this article the effect of inlet downcomer on the hydrodynamics of industrial sieve tray has been elaborated. the study was carried out by using a 3-d...

Accurate impression is a main requirement for obtaining passive fit of restorations. The aim of this case report is an alternative technique in using closed-tray impression posts for open-tray impression technique for exemplification at a patient that can have limited interocclusal vertical space. After osseointegration, 7 implants examined in edentulous maxilla, open-tray impression technique ...

The dry tray pressure drop behaviors in trays without downcomer with different inclination of holes (standard, 75°, 60° and 45°) thickness (2.5, 5, 10 mm) are investigated. investigated using computational fluid dynamics (CFD) Ansys Fluent® software. 20 °C air was used to represent the gas phase 20–50 m3/h flow rates. column there four 7 mm hole diameter.The CFD results determined that higher a...

The traY gene of the Escherichia coli F plasmid has been shown by genetic studies (R. Everett and N. Willetts, J. Mol. Biol. 136:129-150, 1980) to be involved in the site-specific nicking reaction at oriT required for the initiation of DNA transfer during bacterial conjugation. In order to assign a biochemical function to TraY protein, the traY gene was cloned in a plasmid vector which utilizes...