about by the vapor–liquid equilibration after each addition. An exhaustive description of the apparatus, the experimentalprocedure, and the data treatment, can be found in previous articles [ 13 , 16 ].
Merck and were of analytical purity, >98%. Double distilled water and ethanol (99.2% purity) were used for peptization and solvent, respectively. A schematic representation of the experimentalprocedure is shown in Fig. 1 .
in our experimental vessels and to test our experimentalprocedure.
In order to measure thermal conductivities, a differential heat-flow microcalorimeter C80D from Setaram (France) was used. The basic design of
Experimentalprocedure and results
Unlike the previously derived theoretical equations, which represent the analytical solution for heat transfer in an infinite medium with a line heat source with the constant rate of heat generation, located in the
The material under study was lithium–titanium ceramics, Li 0.649 Fe 1.598 Ti 0.5 Zn 0.2 Mn 0.051 O 4−δ . Ferrite powders were synthesized under industrial conditions. Their chemical
−1 were also added to the cell suspension.
This microcalorimetric measurement was performed using ampoule method at 37 °C. Eight reference ampoules containing purified water, together with
kinetic order for this catalyst has not been determined, although second- and third-orders have been proposed. At neutral pH, fluoride is thought not to have a catalytic effect [ 1 ].
A very common experimentalprocedure to determine the kinetic
heat transfer coefficients are defined for air-flow in photovoltaic modules considering air speed, geographical location of the elements and air temperature. Important information about experimentalprocedures regarding heated cylinders is shown by [ 12
guidelines of the “Ethical Committee of Qom University of Medical Sciences,” which are based on the “NIH Guide for the Care and Use of Laboratory Animals.”
A total of 40 rats were divided into six