A process for the removal of aromatic compounds from aqueous solutions using an oxidatic enzyme, such as a peroxidase enzyme, is described. The enzyme is immobilized on a surface so that preferably multiple passes of the aqueous solution with the aromatic compound can be made over the immobilized enzyme. Higher enzyme utilization with a lower oxidative substrate, such as hydrogen peroxide, require...

A process is disclosed for determining a pressure loss of exhaust gas purification honeycomb structural bodies to be inspected, at a point of time when the honeycomb structural body is to be regenerated, said honeycomb structural body having a number of through holes alternatively sealed at opposite end faces, comprising the steps of: (1) flowing particles through each of exhaust gas purification ...

Particle foam mouldings (I) based on olefin polymers (II) comprise a core and at least one structured outer skin with a thickness of 0.01-0.3 mm. Also claimed is a process for the prodn. of (I) with a structure surface.

Pore-forming additives in the form of fibres, platelets, spheres, crystals or fine granules, which dissolve during and/or after solidification of the binder and leave behind the desired pore structure, are added as mixing component to the acoustic plaster including a binder and a mixing component, to form sound-absorbing pores.

A single-tub washing and dehydrating machine includes a microcomputer control means which, when the drain hole is blocked with laundries to be dehydrated in a dehydrating process to cause reduction of pressure inside an air trap and thereby a reset water level is detected erroneously, provides an error indication immediately after the detection, or controls the pulsator to effect a predetermined c...

The invention relates to fibre-containing bodies for construction (building components) in the form of refractory light-weight shaped bodies. The fibre-containing bodies for construction of the invention have the advantage that they no longer contain any, or hardly any, fibres which may be hazardous to health or that any such fibres still present are easily decomposed in the fibre-containing bodie...

A mineral wool-free acoustical tile composition and the acoustical tile made therefrom wherein an expanded perlite is used as a substitute for granulated mineral wool to provide porosity and good sound absorption properties. It is preferred that the composition and acoustical tile also contain an inorganic filler to provide texturability during the manufacturing process. In addition, the acoustica...

PCT No. PCT/JP89/00412 Sec. 371 Date Jun. 30, 1989 Sec. 102(e) Date Jun. 30, 1989 PCT Filed Apr. 17, 1989 PCT Pub. No. WO90/12642 PCT Pub. Date Nov. 1, 1990.The dispersant composed of a water-soluble salt of either a copolymer of a component in naphtha oil and maleic anhydride or a partial esterification product of said copolymer has improved dispersing ability and the dispersion containing this d...

According to this process, 5 to 80% of a powdery thermoplastic substance (1) is mixed with a particulate non-thermoplastic substance (2) and the mixture is subjected to ultrasonic action while the compacting pressure is exerted on the mixture. Compacted substances are obtained having different properties and structures depending on the nature of the thermoplastic (1) and non- thermoplastic (2...

A switch using an improved method of optically-triggered avalanche breakdown which can produce pulses of 100 picoseconds duration that can deliver five kilovolts into 50 ohms using a standard laser diode. A semiconductor block is provided with contacts on opposing sides across which a high-voltage less than the avalanche breakdown voltage is applied. The semiconductor block is then irradiated with...

Thin-walled materials are stiffened by bulging without causing material deformations typical of deep-drawing. A material web to be structured with bulges is wound in several layers around spaced apart supporting elements (2), the material web winding (1) is outwardly sealed by hydraulic means and an overpressure is applied thereto from the outside and/or a negative pressure is applied thereto fro...

A "Eurocylinder" configuration for an electronic lock and key system has a plug (20) fitted into a main body housing (10) which is readily mounted into a mortise of standardized dimensions. To operate the lock, an electronic key (30) is inserted into the keyway (25) and, when given permission as a result of an opto-electronic communication exchange between a control processor (150) in the key and ...

Disclosed is a porous film manufacturing apparatus which is obtained by further improving an already filed porous film manufacturing apparatus and which can regularly form a large number of non-through pores (16) with a fine opening width of sub- mu m to several tens mu m at a high density in elongated films (13) made of various materials, with almost no deterioration in the essential characteris...

A testing methodology for very large scale integrated circuits, for example, microprocessors having several million transistors. Initially a set of pseudorandom test patterns is selected. During the design of the integrated circuit it is partitioned into functional units and each unit is designed to be verified and tested by the test patterns. During a test mode all of the units of the integrated ...

PCT No. PCT/FI95/00036 Sec. 371 Date Jul. 16, 1996 Sec. 102(e) Date Jul. 16, 1996 PCT Filed Jan. 25, 1995 PCT Pub. No. WO95/20501 PCT Pub. Date Aug. 3, 1995A method, a container combination, and a container, wherein at least two containers are handled simultaneously by a vehicle's loading device. The containers can be handled separately by a loading device. The individual containers are connectabl...

There is disclosed a precharged disposable syringe consisting of a housing having a central aperture through which extends an actuator button to contact an internal piston mounted over a medication ampoule contained in the housing. The ampoule includes a dependent hypodermic needle and the ampoule is slightively mounted in the housing for movement between a recessed position where it is totally co...

A format converting circuit for numeric data comprises an operation unit (9) which operates according to a mode decision signal to output an input data as it is or a two's complement of the input data; a storage device (11) which stores a positive or negative sign data to be read out and is reset by an initializing signal to a positive data storing state; and a control circuit (13) which operates ...

A method of promoting and accelerating the healing of bones in animals utilizing an effective amount of a GHL-(Cu) pharmicuetical composition is disclosed. Also methods of inducing the formulation of granulation tissue in affected bones of animals using a GHL-(Cu) composition is disclosed.

PCT No. PCT/US91/07305 Sec. 371 Date Apr. 7, 1993 Sec. 102(e) Date Apr. 7, 1993 PCT Filed Oct. 7, 1991.A chromating composition including hexavalent and trivalent chromium, phosphate ions, silica, and a silane coupling agent and with ratios among its components within certain specified ranges produces a protective layer on the surface of zinc coated steel treated with the composition that has an e...