PROBLEM TO BE SOLVED: To easily produce an O-silylated hydroxy-containing cyclic ether useful as a raw material for pharmaceuticals, etc., in one-pot at a low cost dispensing with troublesome separation procedure by successively reacting a specific OH- containing cyclic ether with a bifunctional and monofunctional silicon compounds and reacting the product with hydrofluoric acid. SOLUTION: The obj...

16 9a-N-(N'-carbamoyl) and 9a-N-(N'-thiocarbamoyl) derivatives of 9-deoxo-9a-aza-9a-homoerythromycin A The invention relates to 9a-N-(N'-carbamoyl) and 9a-N-(N'-thiocarbamoyl) derivatives of 9-deoxo-9a-aza-9a-homoerythromycin A, novel semisynthetic macrolide antibiotics of the azalide series, of the formula (I) (see formula I) wherein R represents a C1-C3 alkyl, aryl or aralkyl group and X represe...

MéTODO DE RECUPERAçãO E REUTILIZAçãO DE AGENTES TENSOATIVOS ANIÈNICOS PROVENIENTES DE SOLUçõES AQUOSAS. Pode-se obter a recuperação aperfeiçoada de agentes tensoativos mediante ultrafiltração de uma solução aquosa contendo agente tensoativo, utilizando um sistema que compreende agentes tensoativos aniónicos.; Improved surfactant recovery upon ultrafiltration of a surfactant-containing aqueou...

An illuminant warning arrangement includes a clothe body and a plurality of illuminating units provided on the clothe body. Each illuminating unit provides a transparent layer, a electric conducting board, a casing socket, a fastener, an LED, a battery box, and a manual switch. With the combination of the above elements, the illuminant warning arrangement can be assembled in matter of seconds. Whe...

A golf club shaft connects a grip of a golf club to a head of the golf club and has a longitudinal axis that extends from the grip of the golf club to the head of the golf club. At least a portion of the shaft has an aerodynamic cross-sectional shape defining an aerodynamic portion of the shaft. The aerodynamic portion of the shaft is oriented along at least a portion of the longitudinal axis of t...

A golf club head comprising toe and heel portions, a front wall defining a ball-striking face, and top and bottom walls, the bottom wall characterized as having a medial ridge, and as forming two shallow recesses, one recess between the ridge and the heel portion, and the other recess between the ridge and the toe portion, the recesses everywhere spaced rearwardly from the front wall, the one rece...

A leg length gauge for use during hip joint replacement surgery to insure that the overall length of the patient's leg subsequent to the surgery is substantially the same as it was prior to the surgery. A first pin is inserted into a patient's ilium and a second pin is inserted into the patient's femur. A removable gauge including an adjustably coupled pair of members having pin receiving aperture...

An inter-block predictive coding/decoding apparatus sequentially encodes/decodes blocks of a picture. A block distant from a coded block by a predetermined distance is independently coded. An interpolative predictive signal is produced from the coded block and the independently coded block with respect to each pixel of a block to be predicted that is interposed between the coded block and the inde...

A system for communicating a programming data stream and a data stream containing pieces of local content data that are going to be inserted into a local content space in the programming data stream at some predetermined time is provided in which the programming data stream and the local content digital data stream are transmitted to a set-top box in a house of a user, the set-top box stores a pre...

A method of operating a microprocessor (12). The method first receives (64) a plurality of instructions arranged in a sequence from a first instruction through a last instruction. The method second identifies (66) a branch instruction as one of the plurality of instructions, wherein the branch instruction has a target instruction address. The method third determines two factors for the branch inst...

A digital computer system capable of processing two or more computer instructions in parallel and having a cache storage unit for temporarily storing machine-level computer instructions in their journey from a higher-level storage unit of the computer system to the functional units which process the instructions. The computer system includes an instruction compounding unit located intermediate to ...

The invention comprises a protective window for an optical sight. In accordance with one embodiment of the invention, an optical sight (20) may comprise an optical component (182, 300) transmitting an image of a scene. A protective window (180, 430) may be disposed approximate to an internal side of the optical component (180, 300) to obstruct dirt from contacting the internal side of the optical ...

PROBLEM TO BE SOLVED: To obtain a wire rod having a well-defined relationship between the index of discontinuity and the state of existence of a segregation zone by specifying C, Mn, Si, Cr, V, Co, and impurity concentration in a carbon steel wire rod and observing the segregation of C concentration in collected samples. SOLUTION: The wire rod composed of carbon steel contains, by weight, 0.5-1.1%...

PROBLEM TO BE SOLVED: To provide a method and an apparatus for controlling a knitting machine, capable of simplifying constitution of the apparatus and readily carrying out maintenance. SOLUTION: A plurality of actuators 7 for selectively operating knitting needles which are many members to be operated are arranged in the periphery of a knitting cylinder. These actuators 7 are provided with drivin...

PROBLEM TO BE SOLVED: To prevent an oxide film from formed on a fusion face in fusing a small-diameter pipe outer face and a large-diameter pipe inside face by heating and melting adjoining coating material contact parts of a spiral composed of a thermoplastic polymer material covered wire incorporating a linear heating element and by melting and fixing the covered wires with each other so as not ...

PROBLEM TO BE SOLVED: To prevent a spiral from being disturbed by a sliding contact force in the axial core direction applied to the outer face and the inner face by fusing and fixing adjoining covered wires of the spiral composed of a thermoplastic polymer material covered wire incorporating a linear heating element to each other in the outer face, the inner face, or the whole face of the spiral....

PROBLEM TO BE SOLVED: To provide a honeycomb structure having a heat capacity lower than that of the conventional structure and excellent in durability. SOLUTION: In the honeycomb structure 1 formed by providing partition walls to mainly consisting of cordierite, a reinforced part 2 having a strength stronger than an ordinary part 19 is provided in one or both end parts 11 of the partition walls 1...

PROBLEM TO BE SOLVED: To provide a method for preparing stably a sheet-like reinforcing material for reinforcing a wood wherein carbon fibers are impregnated with a phenol resin and phenol resin-impregnated papers are respectively bonded on the top face and the underside. SOLUTION: A main agent and a curing agent for a phenol resin are respectively separately filled in tanks and these are mixed an...

PROBLEM TO BE SOLVED: To provide a small deformation and stable quality by inserting a round bar-like male mold in which a lead wire covered with a thermoplastic resin layer is spirally wound on its periphery into a divisible and closable female mold, and forcibly closing a gate of the male mold during dwelling after completion of charging a thermoplastic resin in a mold cavity. SOLUTION: A round ...

PROBLEM TO BE SOLVED: To suppress occurrence of a flash by bringing an outside surface of a to-be-welded part into close contact with an inside surface of a jig for holding one molding member in a method for welding a thermoplastic resin by heating to melt a surface to be welded opposed to two thermoplastic resin molding members by a hot platen, and then bringing them into pressure contact. SOLUTI...