نتایج جستجو برای: microwave heat energy
تعداد نتایج: 883714 فیلتر نتایج به سال:
Thin films find a variety of technological applications. Assembling thin films from atoms in the liquid phase is intrinsically a non-equilibrium phenomenon, controlled by the competition between thermodynamics and kinetics. We demonstrate here that microwave energy can assist in assembling atoms into thin films directly on a substrate at significantly lower temperatures than conventional proces...
Solar energy is only renewable energy source that does not depend on earth's resources. Current industrial manufacturing of solar cells use manufacturing steps that have many sustainable issues. So it becomes very important to promote technologies that are more sustainable than current state of the art. This paper will look into prospects of microwave heating for silicon solar cell fabrication ...
STATEMENT OF PROBLEM Disinfection of prostheses with chemical solutions has deleterious effects on dentures. The appropriate power setting of microwave for disinfection, without affecting denture base properties, is a controversy. PURPOSE To evaluate and compare the effect of simulated microwave disinfection at a recommended power setting on the mechanical properties of three denture base hea...
In this work, polystyrene was filled with carbon black (CB) at 1, 3, and 5 wt% were foamed via microwave-assisted (MA) foaming. The composite morphology tracked by scanning electron microscopy, transmission rheology. CB played the dominant role as selective microwave absorbers to provide required heat for cell nucleation growth. MA foaming is a controllable technique reach proper foam density s...
A new advanced microwave drying technology has been developed using a continuous dryer combined with an air cooler. Principle of the new technology consist in using microwave absorption filters made from special porous ceramics which act as both absorbent and transparent material for microwaves. Ceramic slabs reduce intensity of microwave radiation to such a extent which prevents overheating or...
the mechanical aspect of entropy-exergy relationship, together with the thermal aspect usually consid-ered, leads to an extended formulation of physical exergy based on both maximum useful work and maximum useful heat that are the outcome of available energy of a thermodynamic system. this approach suggests that a mechanical entropy can be studied, in addition to the already used thermal entrop...
Turmeric (Curcuma longa L.) is a medicinal plant, and its biological activities mainly arise from the main constituent, known as diferuloylmethane or curcumin. In the present paper, microwave-assisted extraction (MAE) was investigated for the recovery of curcumin from turmeric in comparison to conventional heat-assisted extraction (CHAE) technique. Various experimental conditions, such as solve...
One of the major technical advances in the field of histopathology during the last decade is the development of immuno-histochemical (ll{C) techniques. Growing demand of antibodies that can be used for IHC on routine formalin fixed paraffin embedded tissues has stimulated efforts to develop antibodies that can recognize formalin-resistant epitopes. Alternatively, it is desirable to devise strat...
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