A semiconductor device 1 includes a semiconductor substrate 10, insulating interlayer group 20, insulating interlayer group 30, and seal ring 40. The displacement of the compressor is controlled, such that discharge chamber pressure does not act on the valve body in the opening and closing direction, and pressures acting on the opposite ends of the valve body are maintained at the same level. In the case where the body of the connector is made of synthetic material, it bears seats for seal rings made of elastomer material. In those instances, the execution environment for the support user may be generated using at least a portion of the retrieved static context information. The method includes exposing a polycrystalline nanoparticle that includes at least two metal oxide crystallites bonded to each other to a chemical composition that includes a catalyst in order to at least partially separate the at least two metal oxide crystallites of the polycrystalline nanoparticle at an interface thereof. The 1-stage indoor unit is operated along with another unit having different stages, and variable control is accomplished, although the 1-stage indoor unit is used, so long as the indoor fan control device is added to the unitary air conditioner.