Abstract: There are disclosed a catalyst which comprises a carrier composed of a porous silicon carbide or a porous silicon nitride prepared by a silicon-accumulated biomass and a catalytic substance supported thereon, and a method for preparing a catalyst which comprises supporting a catalytic substance on a porous silicon carbide or a porous silicon nitride prepared by subjecting a silicon-accumulated biomass to heat treatment under an argon or a nitrogen atmosphere.

Abstract: A parallel data processor is disclosed, in which a plurality of fundamental computing elements each comprising a computer and a memory are connected in a two-dimensional lattice configuration, each of said fundamental computing elements being operated by an identical instruction provided by a single control section, and in which said each fundamental computing element is provided with a shift register having ability of data transmission to the memory in said element and of further data transmission, which is asynchronous to operation in said element, between the adjacent fundamental computing elements, said latter data transmission being conducted concurrently to the operation in said element.

Abstract: A process for producing ethanol which comprises reacting methanol, carbon noxide and hydrogen in the presence of (a) a catalyst containing a cobalt component, an iron component, a ruthenium component and an iodine component, (b) at least one organic solvent and (c) water, said catalyst comprising the cobalt component in amount of 0.1-500 milligram atom (mg-atom) in terms of cobalt per 1 mol of methanol, an iron component in amount of 0.01-4 atoms per 1 atom of cobalt in terms of metal, a ruthenium component in amount of 0.01-4 atoms per 1 atom of cobalt in terms of metal and an iodine component in amount of 0.05-20 atoms per 1 atom of cobalt is disclosed. According to the present invention, selectivity to ethanol is high and ethanol can be obtained under mild conditions.

Abstract: An information retrieval system in which various information is indexed synthetically into such relations as the synonym, the broader term and the narrower term to provide a thesaurus and the words are coded to provide a keyword relation table, an index table and a word table each stored in a memory device respectively so that the desired information retrieval operation may be conveniently performed with use of a computer system. Particularly, a memory capacity even for memory of the thesaurus of large scale may be reduced considerably with simplification of the computer system.

Abstract: A process for producing ethanol which comprises reacting methanol, carbon monoxide and hydrogen, characterized in that the reaction is carried out in the presence of (a) a solvent selected from the group consisting of hydrocarbons, and ethers and (b) a catalyst comprising a cobalt compound, a ruthenium compound and a tertiary phosphine in the absence of iodine, bromine, an iodine compound or a bromine compound is disclosed. According to this invention, ethanol can be produced from methanol, carbon monoxide and hydrogen in a high selectivity to neat ethanol.

Abstract: A method and a system for disposing of the pyrolysis gas generated in a pyrolyzing system to refine the same are presented in which an absorbing agent for eliminating harmful gas is introduced into a thermal reactor in such an amount that a large percent of such agent is unreacted but it is efficiently recovered together with char from the pyrolysis gas and also these recovered materials are utilized to remove oil and tar from water used in cleaning the pyrolysis gas, the recovered solid particles of the char and unreacted absorbing agent and the oil and tar separated from the cleaning water being recirculated in the pyrolyzing system.

Abstract: The invention provides an improved image memory device including an image processing memory unit incorporated into a universal image processing device and an address switching control circuit connected thereto, wherein an address data for raster display and an address data fed from an external input-output device are periodically selected by an address switching control circuit for supply to the image processing memory unit so that the memory unit may be accessed by an external input-output device without intercepting the raster display with remarkably reduced data transfer time.

Abstract: A computer system in which the configuration of a plurality of information processing modules, which are provided in at least first and second configuration points, may be automatically monitored and supervised, comprises a plurality of switching modules provided in a third configuration point, each switching module having a configuration point number and each of the information processing modules having an identification number; and a configuration monitoring center for at least monitoring the connecting conditions between the switching modules and the configuration monitoring center for supervision of the computer system. Timing signals are delivered from the configuration monitoring center to inquire about conditions in the information processing modules and switching modules.

Abstract: A hot fluid-conducting pipe assembly, comprising an inner metal pipe through which flows a hot fluid,Support pins regularly arranged on and outwardly projecting from the outer surface of the inner metal pipe,Refractory of said coupling members fixed to the inner metal pipe by the support pins, each coupling members having upper and lower faces concentric with the surface of the inner metal pipe, trapezoidal side faces in the longitudinal direction of the inner metal pipe, and sectorial side faces in the circumferential direction of the inner metal pipe,Heat-insulating refractory blocks mounted between the coupling members and each having an underside portion provided with a cushioning layer formed of an elastic refractory material,A heat-insulating layer formed of an elastic refractory material and uniformly covering the upper faces of the coupling members and of the heat-insulating blocks, andAn outer metal pipe covering the heat-insulating layer.

Abstract: Wall structure of a hot fluid chamber, comprisingAn inner metal wall;A plurality of support pins regularly arranged on and projecting outward from the surface of the inner metal wall;A plurality of coupling members fixed to the inner metal plate by the support pins, each coupling member being of a truncated quadrangular pyramid shape and made of a heat-insulating refractory material;A plurality of heat-insulating refractory blocks mounted between the coupling members, each block having the underside portion provided with a cushioning layer formed of an elastic refractory material;A heat-insulating layer formed of an elastic refractory material and covering the surfaces of the coupling members and of the heat-insulating refractory blocks; andAn outer metal wall covering the heat-insulating layer.

Abstract: A field effect transistor includes a thin silicon layer formed on a sapphire substrate and having source, gate and drain regions. A buried layer of the same conductivity type as that of the gate region and a higher impurity concentration than that of the gate region at the lower portion of a junction between the source and gate regions.

Abstract: A method for the manufacture of semiconductor devices comprises the steps of forming a number of mutually electrically isolated semiconductor islands on an insulating substrate and cutting a semiconductor wafer, made of semiconductor elements and substrate, along its dicing line to provide a number of semiconductor chips, the method characterized in that additional semiconductor islands are formed on the insulating substrate simultaneously with, or after, the formation of the first-mentioned semi-conductor islands so that each substantially surrounds the chip. The method permits very easy mask alignments for photoengraving as well as a clear judgment as to whether or not the formation of contact openings has been completed.

Abstract: An apparatus and a method for processing municipal waste with increased processing capacity are provided. The apparatus includes at least a cylindrical screen having ridge projections on the inner surface thereof and a group of beaters mounted on a central shaft extending axially through the cylindrical screen. In carrying out the method, the municipal waste charged into the cylinder receives powerful beating and shearing due to the interaction caused by the relative rotation between the tips of the beaters and the ridge projections thereby remarkably increasing the processing capacity.