Contribution of microwaves in organic synthesis: statement of a methodology for the microwave-induced preparation of benzofuran-2(3H)-one and its comparison with classical heating
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The reaction of aldehydes, amines and TMSCN in the presence of 2-iodoxybenzoic acid (IBX) and tetrabutylammonium bromide (TBAB) afforded alpha -iminonitriles, e.g. 4-MeOC6H4C(C==N):NCH2CH2Ph, in good to excellent yields under mild conditions. The presence ...
To examine relationships between specific energy absorption rate (SAR) and temperature distributions in the human head during radio frequency energy deposition in MRI. ...
Instruments for distributed fiber-optic measurement of temperature are now available with temperature resolution of 0.01°C and spatial resolution of 1 m with temporal resolution of fractions of a minute along standard fiber-optic cables used for communicat ...
This paper describes a new method to determine the equivalent transverse heat transfer coefficient between the helium flow in the cable bundle and the flow in the central space of a CICC's with parallel cooling channel. The method is based on the analysis ...
When two electrolyte solutions of different temperature are placed in contact, a thermal diffusion potential (TDP) is established. The phenomenon is studied numerically using finite element simulations of the temperature distribution within a hydrodynamic ...
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