A multilayer ceramic capacitor includes a multilayer body including dielectric layers, inner-electrode layers, and outer electrodes coupled to the inner-electrode layers. The multilayer body includes Ba, Ti, Ca, Mg, Zr, and R, and when the Ti content is defined as 100 parts by mole, the relative amounts are as follows: Ca, 0.03 parts by mole or more and 0.15 parts by mole or less, Mg, 0.01 parts by mole or more and 0.09 parts by mole or less, R, 2.5 parts by mole or more and 8.4 parts by mole or less; Zr, 0.05 parts by mole or more and 3.00 parts by mole or less: Si, 0.5 parts by mole or more and 4.0 parts by mole or less; and P, 0.005 parts by mole or more and 0.500 parts by mole or less. Ca is in a vicinity of the center of crystal grains contained in the dielectric layers.

A dielectric composition includes a main phase and a Ca—Si—P—O segregation phase. The main phase includes a main component expressed by ABO.sub.3. “A” includes at least one selected from calcium and strontium. “B” includes at least one selected from zirconium, titanium, hafnium, and manganese. The Ca—Si—P—O segregation phase includes at least calcium, silicon, and phosphorus.

A refractory object may include a zircon body that may include at least about 0.1 wt. % and not greater than about 5.5 wt. % of an Al.sub.2O.sub.3 containing component for a total weight of the zircon body. The zircon body may further include at least about 25 wt. % and not greater than about 35 wt. % of a SiO.sub.2 component for a total weight of the zircon body.

The present disclosure provides a glass ceramic composite electrolyte comprising gadolinium doped ceria and glass composite with desired ionic conductivity in the temperature range of 400 to 600° C., suitable for applications in solid oxide fuel cells. Also disclosed is a process for the preparation of the glass ceramic composite electrolyte.

A method for producing a heater with a co-sintered multilayer construction for a system for providing an inhalable aerosol, including providing at least one first substrate layer, arranging at least one first insulating layer at least in areas on the first substrate layer, arranging at least one heating element at least in areas on the first insulating layer, arranging at least one second substrate layer and at least one second insulating layer at least in areas on the heating element. The second insulating layer is arranged at least in areas on the second substrate layer, and the second insulating layer is in contact at least in areas with the heating element and/or with the first insulating layer. The method includes pressing the layers and the heating element, and firing the pressed layers in order to co-sinter the layers of the multilayer construction.

Green ceramic batch mixtures include: at least one inorganic batch component, preferably cordierite; at least one binder, preferably polyisoprene, poly(vinyl formal), poly(vinyl methyl ether), polybutadiene carboxy terminated; and an inverse emulsion having a continuous phase, an aqueous dispersed phase, and at least one emulsifier, preferably at least one functionalized silicone compound having at least one functional group chosen from a hydroxyl group, a carboxyl group, hydroxyl-terminated ethylene oxide groups.

A thermistor material and a method for preparing a thermistor material are provided. The thermistor material is prepared by mixing and heating a mixture containing BaTiO.sub.3, B.sub.2O.sub.3, SiO.sub.2, Li.sub.2O, P.sub.2O.sub.5, Cs.sub.2O, Nd.sub.2O.sub.3, Al.sub.2O.sub.3 and TiO.sub.2.

Particular aspects of the present disclosure provide bio-resorbable and biocompatible compositions for bioengineering, restoring, or regenerating tissue or bone. In one embodiment, a biocompatible composition includes a three-dimensional porous or non-porous scaffold material comprising a calcium phosphate-based ceramic having at least one dopant therein selected from metal ion dopants or metal oxide dopants. The composition is sufficiently biocompatible to provide for a cell or tissue scaffold, and resorbable at a controlled resorption rate for controlled strength loss under body, body fluid or simulated body fluid conditions.

A refractory material contains: 40 mass % or more of MgO; 4 to 30 mass % of a free carbon component; and one or more of B.sub.2O.sub.3, P.sub.2O.sub.5, SiO.sub.2 and TiO.sub.2, in a total amount of 0.3 to 3 mass %, with the remainder being at least one other type of additional refractory component. A void layer exists in an interface between a carbon-containing matrix microstructure residing at least on opposite sides of a maximum-size one of a plurality of MgO-containing particles in the refractory material, and the maximum-size MgO-containing particle. A sum of respective thicknesses of the void layer at two positions on the opposite sides is 0.2 to 3.0% of a ratio with respect to particle size of the maximum-size MgO-containing particle. An inorganic compound of MgO and the one or more of B.sub.2O.sub.3, P.sub.2O.sub.5, SiO.sub.2 and TiO.sub.2 exists entirety or partially in a surface of each of the MgO-containing particles.

Provided is a silicate glass, a method for preparing a silicate glass-ceramics by using the silicate glass, and a method for preparing a lithium disilicate glass-ceramics by using the silicate glass, and more particularly, to a method for preparing a glass-ceramics that has a nanosize of 0.2 to 0.5 μm and contains lithium disilicate and silicate crystalline phases. A nano lithium disilicate glass-ceramics containing a SiO.sub.2 crystalline phase includes: a glass composition including 70 to 85 wt % SiO.sub.2, 10 to 13 wt % Li.sub.2O, 3 to 7 wt % P.sub.2O.sub.5 working as a nuclei formation agent, 0 to 5 wt % Al.sub.2O.sub.3 for increasing a glass transition temperature and a softening point and enhancing chemical durability of glass, 0 to 2 wt % ZrO.sub.2, 0.5 to 3 wt % CaO for increasing a thermal expansion coefficient of the glass, 0.5 to 3 wt % Na.sub.2O, 0.5 to 3 wt % K.sub.2O, and 1 to 2 wt % colorants, and 0 to 2.0 wt % mixture of MgO, ZnO, F, and La.sub.2O.sub.3.