An inverter apparatus includes a flip-flop circuit and a voltage clamp circuit disposed in the upper arm, and set and reset signal generators each having a series connection of two switching devices. By using an input signal and using an output signal of the flip-flop circuit, the above described two switching devices are activated in a complementary manner. Owing to this configuration, no current...

A cement pumpability-enhancing additive which confers good pumpability on cementitious compositions such as concrete consists essentially of (a) polyethylene glycol; (b) diethylene glycol monobutyl ether and/or a derivative thereof; (c) polysaccharide; and (d) a thickening polymer selected from the group consisting of polyacrylic acid derivatives, polyacrylic amide derivatives, cellulose ethers, p...

An antibacterial vascular prosthesis obtained by winding a tube, fiber or sheet formed from a polymeric material and combined with an antibacterial substance on the outer surface of a vascular prosthesis composed of a tubular porous body formed of a synthetic resin is provided. The antibacterial vascular prosthesis can exhibit an antibacterial activity over a long period of time without impairing ...

A dragline comprising a main housing, a bucket hoist mechanism mounted on the housing, a bucket drag mechanism mounted on the main housing, a moving mechanism for moving the main housing over the ground, a boom having upper and lower ends and a rectangular cross-section, the lower end being connected to the main housing, the upper end having thereon a sheave, the boom having a longitudinal axis an...

This invention provides biodegradable, biocompatible polymeric films having uniform selected thicknesses between about 60 micrometers and about 5 mm useful in the manufacture of therapeutic implants for insertion into a patient's body. The films may be shaped to cover implants made of other materials to improve their biocompatibility. The films may be coated with or incorporate bioactive agents. T...

A hot-melt adhesive composition which comprises a modified block copolymer, a paraffin wax having a melting point of 40 to 100 DEG C, a tackifier, and an antioxidant. The copolymer is obtained by epoxidizing carbon-carbon double bonds of conjugated diene units of a block copolymer having in the molecule at least one polymer block (A) formed mainly from a vinylaromatic compound and at least one po...

A processor (100) contains a storage area (120) for a dynamic rounding mode control value, and a circuit (124) coupled to the storage area configured to execute an instruction using a rounding mode. When the instruction is a first predetermined instruction, a first predetermined rounding mode is used during execution of the instruction. When the instruction is not the first predetermined instructi...

A terrestrial communication system, facilitating audio, video, data and any other type of communication within a local geographical area, and with an extremely large number of communication channels being made available simultaneously at a very low cost. It comprises at least one local terrestrial satellite (LTS), preferably located in a mast or any other supporting structure, each (LTS) having hi...

The inspection apparatus of the invention inspects a display device including first and second bus lines formed on an active matrix substrate. The inspection apparatus includes a first substrate unit and a second substrate unit each having a pair of substrates and connecting films therebetween. On one substrate of each substrate unit, inspection terminals and first inspection lines are formed and ...

The invention relates to an implant of resorbable material, which is characterized in that it comprises a woven or knitted tubular or flat structure, whose filaments or fibres either completely or portionwise comprise at least two different resorbable materials with different melting points, which, after heating to a temperature above the melting point of the resorbable material with the lower mel...

A terrestrial communication system, facilitating audio, video, data and any other type of communication within a local geographical area, and with an extremely large number of communication channels being made available simultaneously at a very low cost. It comprises at least one local terrestrial satellite (LTS), preferably located in a mast or any other supporting structure, each (LTS) having hi...

This invention provides biodegradable, biocompatible polymeric films having uniform selected thicknesses between about 60 micrometers and about 5 mm useful in the manufacture of therapeutic implants for insertion into a patient's body. The films may be shaped to cover implants made of other materials to improve their biocompatibility. The films may be coated with or incorporate bioactive agents. T...

Wound implant materials are described comprising a plurality of bioabsorbable microspheres bound together by a bioabsorbable matrix, such as in a freeze-dried collagen matrix. The microspheres preferably comprise over 30% of the volume of the material, and preferably have diameters of 10 mu m to 1500 mu m. The microspheres and/or the matrix preferably comprise a polylactic/polyglycolic copolymer...

Ein Sedimentationsbecken (1) mit rechteckigem Grundriss dient zum Abscheiden von Schlamm aus Abwasser und weist einen Zulauf (7) für das Gemisch aus Schlamm und Abwasser in das Sedimentationsbecken (1), eine an der Sohle (2) des Sedimentationsbeckens (1) entlangstreichend angetriebene Räumeinrichtung (10) für den abgesetzten Schlamm, eine Abzugseinrichtung (18) für den Schlamm und einen Ablauf (21...

D1 protease has been isolated from the alga (Scenedesmjus obliquus), wheat, and Synechocystis PCC 6803 and the genes encoding these enzymes have been cloned and sequenced. Native or recombinantly produced enzyme has been used to develop assays to detect herbicidal compositions capable of inhibiting the D1 protease enzyme.; La protéase D1 a été isolée de l'algue Scenedesmjus obliquus, du blé et de ...

Oleandomycin oximes wherein R<1> stands for hydrogen or -CH3, R<2> stands for -CH3 or hydrogen or R<1> and R<2> stand together for an epoxide group or for =CH2, R<3> stands for -OH, whereas the @ line stands for a single or a double bond, a process for the preparation thereof and their use in the obtaining of antimicrobial agents.

The invention relates to compositions comprising acyl derivatives of 2'-deoxyribonucleosides. The invention also relates to methods of treating or preventing radiation, mutagen and sunlight-induced biological damage, and methods for improving wound healing and tissue repair, comprising administering the composition of the present invention to an animal.

It has been a problem to find an alternative, less timeconsuming, and more reliable source of factor IX, a polypeptide which is essential to the human blood-clotting process and necessary for the treatment of patients with Christmas disease. The invention is an important step towards solving the problem by way of genetic engineering, in that it provides recombinant DNA containing a DNA sequence oc...

A multiple lumen access device for use in providing a single entry port into the human body for selectively introducing medical implements therethrough and for providing simultaneous auxiliary access into the body. The multiple lumen access device (10, 400, 500, 520, 550) includes a multiple lumen sheath (404, 506, 530) which may have an outer tube (12, 422) and structure defining a device lumen (...