in this paper, vacuum assisted resin transfer molding (vartm) method was simulated by analytical solution. then the effect of parameters like fiber density, distribution of layer thickness, perform layer thickness, resin viscosity was investigated theoretically. obtained results show that by selecting optimum distribution layer thickness, increasing fiber volume fraction, reducing viscosity of ...

in this paper, first, a conceptual framework has been developed and while truly recognizing different aspects of the technology transfer process, it is trying to introduce a decision-making methodology in the choice of projects. then by choosing effective variables in technology transfer process, a multiple criteria decision-making (mcdm) model has been designed, so that the choice of appropria...

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knowledge management is a process that has been recently generated as an activity which is very important in the dynamic environment, and in the competitive scene. we believe that km is a process which its organizational knowledge is created from the individual knowledge of the members of the organization. the relevant studies have indicated that organizing based on work teams could be consider...

One of the most challenging unanswered questions regarding the structural biology of biomolecular machines such as the two-subunit ribosome is whether and how these machines coordinate seemingly independent and random conformational fluctuations to maximize and regulate their functional efficiencies. To address this question, we have used ribosome mutagenesis or a ribosome-targeting antibiotic ...

This paper deals with the extraction of L-Theanine containing Aliquat 336 as a carrier and cyclohexane as solvent across bulk liquid membrane. The optimum operation condition are as follows: extraction time of 150 min, initial concentration of theanine in the feed phase is 1.8 g/L, the carrier concentration is 0.5 M, the ion of the receiving phas...

the abrasion is a significant issue, especially in machining of rigid steels. a functional and suitable approach for enhancing the heat transfer from machining area is using an intermediate fluid with higher heat transfer potential instead of common fluids. the objective of this experimental study is to discuss production, stability and thermal conductivity examination of water/graphene oxide n...

Fundamental mass and energy balances that exist in process systems can be used for modeling. Elements of transfer function matrices come out to be dependent when these balances are observed. Examples are given on two process system models. These relationships have the potential of application in modeling, identification and model reduction.

In Portland Cement Concrete (PCC) pavement of the roads, dowels bar transfers vehicle loading to the unloaded slab. Load Transfer Efficiency (LTE) is used to evaluate dowel bars in PCC pavement. This parameter is defined as the vertical displacement ratio of the loaded slab versus the unloaded slab. In this study, the impact of effective factors (friction coefficient between dowel and concrete ...