A composite material is produced by irradiating a surface of a shaped body of a carbonaceous material with an ion beam to form a layer of carbon nanotubes on the surface. The composite material is useful as a cathode of an electron beam source element.
An improved rear wheel suspension for a motorcycle is provided which includes a body frame, a rear wheel support frame such as a rear fork pivotally mounted on the body frame for upward and downward movement relative thereto and rotatably supporting a rear wheel, at least one rear shock absorber dis ...
The object of the present invention is to provide a polyolefin having a good particle property in a high yield without use of an expensive alumoxane. The present invention comprises a catalyst for olefin polymerization comprising the following ingredients (A), (B) and (C), and a process for preparin ...
The present invention is directed to a new water treatment device comprising an electrolytic tank to put water in, an electrode provided in the electrolytic tank, a water treating path for pouring, from a pool storing water, the water into the electrolytic tank and returning to the pool the water in ...
The present invention provides a cytokine production inhibitor containing as an active ingredient an aniline derivative of the formula (I) or a salt thereof: [wherein A is CO or SO2; Cy is an aryl group or a heterocyclic group; each of R1 and R2 which are independent of each other, is a halogen atom ...
A space diversity communications system usable with a multi-direction time division multiplex communications network which consists of a plurality of scattered satellite stations and one central station. While the central station is provided with a single antenna, each satellite station is provided ...
First rear swing arms are pivotably supported at their front ends to a drive shaft on which drive wheels are mounted. The rear ends of the first rear swing arms are pivotably supported through a shaft to the front ends of side rails, and first idlers are mounted on the shaft. Second idlers are mount ...
A composite oxide having oxygen absorbing and desorbing capability contains 4.99-98.89% by weight of cerium oxide, 1-95% by weight of zirconium oxide, 0.01-20% by weight of hafnium oxide, and 0.1-10% by weight of an additional metal oxide selected from titanium oxide, tungsten oxide, nickel oxide, c ...
A space diversity receiving system for the central station of a multi-direction time division multiplex communication network having a plurality of satellite stations, and one central station. Each satellite station transmits signals to the central station during an assigned time slot. The central s ...
To make a rear cushion device compact and lightweight, a rear cushion device is accommodated inside a track belt of an endless track device and includes a separate damper and cushion spring. The damper is slightly inclined downward towards the front side and is supported at its upper end by a floor. ...
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