摘要:
A cast screw rotor has an opened lightening or reduced weight hole formed inside each thread portion. The opened hole is formed along torsion of the thread portion, and a shaft is inserted into an axial hole. The screw rotor is manufactured by a method in which each of the thread portions and the axial hole are formed on the basis of the reduced weight hole.
摘要:
There is provided a new antiviral antibiotic designated herein as BU-4344V which is produced by fermentation of a BU-4344V-producing strain of a new microorganism, Actinomadura parvosata subsp. kistnae ATCC No. 55076. Antibiotic BU-4344V is recovered and purified from the fermentation broth by use of extraction, chromatography, and crystallization techniques. BU-4344V has been found to have some antibacterial activity and inhibits the growth of viruses, including influenza virus type A.
摘要:
Kedarcidin is a protein antitumor antibiotic produced by Streptoalloteichus sp. nov. strain L585-6, ATCC 53650. The antibiotic comprises a non-protein chromophore and a single chain polypeptide having 114 amino acid residues.
摘要:
An ink jet recording head comprising a discharge port for discharging an ink; and a sealing tape for sealing the discharge port; wherein the sealing tape includes a pressure-sensitive adhesive layer constituted of an acrylic crosslinked polymer formed by crosslinking an alkyl(meth)acrylate ester copolymer with a metal chelate compound, and is peelably adhered, through the pressure-sensitive adhesive layer, to a part where the discharge port is formed.
摘要:
Provided is a semiconductor device capable of preventing a semiconductor chip from being damaged by any sharp burrs of a metallic shielding plate. The semiconductor device includes a semiconductor chip and a metallic shielding plate provided on a circuit surface of the semiconductor chip. The metallic shielding plate is disposed in such a manner that a second surface of a shielding plate body is directed towards the circuit surface of the semiconductor chip, and burrs are positioned contiguous to the second surface of the shielding plate body. At distal ends of the burrs, cutting burrs are formed in a direction orthogonal to the second surface. The sharp burrs extend in a direction opposite to the semiconductor chip, so that the sharp burrs are prevented from damaging the circuit surface of the semiconductor chip.
摘要:
An adhesive composition for a polarizing plate which has excellent optical properties and durability, is capable of relaxing stress caused by dimensional changes of the polarizing plate or the like and is capable of suppressing light leakage and ununiformity of color. A polarizing plate having an adhesive layer composed of the adhesive composition is also disclosed. The adhesive composition for a polarizing plate includes an acrylic copolymer (A), which contains, as monomer components, (a1) a (meth)acrylic ester in an amount of 10 to 79.9% by weight, (a2) a benzene ring-containing compound in an amount of 20 to 80% by weight and (a3) a functional group-containing compound in an amount of 0.1 to 10% by weight and has a benzene ring content of not less than 10% by weight and a weight-average molecular weight of 800,000 to 2,000,000, a crosslinking agent (B) in an amount 0.01 to 0.3 part by weight, and a silane coupling agent (C) in an amount of 0.01 to 0.5 part by weight, the amounts of said components (B) and (C) being each based on 100 parts by weight of the acrylic copolymer (A).
摘要:
A shaft hole 69 in a cast rotor main body 67 has a hollow space 75 and an opening 79 in a tooth trace 73 formed by using a core. A hollow screw rotor 35 is formed by fixing a rotor shaft 47 in this shaft hole 69. A straight portion 81 to be chucked at the time of machining is formed at the inner peripheral side of the opening 79.
摘要:
There are provided male and female rotors, which engage with each other at screw-shaped tooth trace portions formed on the rotor bodies; a compressor casing which houses these rotors and has a suction port on one side in the axial direction and a discharge port on the other side in the axial direction; hollow portions which are provided in the tooth trace portions of the male screw rotor and communicate with the suction port; and partition walls which are provided at the end on the discharge port side of the tooth trace portions and block the hollow portions.
摘要:
A shaft hole 69 in a cast rotor main body 67 has a hollow space 75 and an opening 79 in a tooth trace 73 formed by using a core. A hollow screw rotor 35 is formed by fixing a rotor shaft 47 in this shaft hole 69. A straight portion 81 to be chucked at the time of machining is formed at the inner peripheral side of the opening 79.
摘要:
Disclosed are active compounds BU-4726G-A and BU-4726G-B which contain a quinone chromophore and hydroquinone chromophore, respectively. The compounds are produced by fermentation of Streptomyces exfoliatus AA4510. The compounds possess antimicrobial, and K.sub.ATP channel blocking activities.