An electrode for a solid polymer fuel cell includes a gas diffusion layer, an electrode catalyst layer disposed between a solid polymer membrane of the fuel cell and the gas diffusion layer, and a water-holding layer disposed between the gas diffusion layer and the electrode catalyst layer. Under high-relative humidity conditions of reaction gases, flooding can be prevented because the electrode catalyst layer is made porous, while under low-relative humidity conditions of reaction gases, suffic...

A MISFET having a graded semiconductor alloy channel layer of silicon germanium in which the germanium is graded to a single peak percentage level. The single peak percentage level defines the location of the charge carriers within the layer. The transconductance of the device can be optimized by controlling the location of the carriers within the channel.

Advertisement at the point of purchase is presented by a box containing a rotary device which displays graphic material on each step of the device. The rotary device is mounted in a box having a lens focused on the graphic material. A very low cost is achieved by a plastic plate shaped to form two cantilever springs, one of the cantilever springs has a tooth which steps the rotary drive into a viewing position, and the other of the cantilever springs has a tooth which stops the rotary device in ...

There is provided an improved tool for piercing the skin and inserting a loopless animal identification tag, said tool being characterized in that it is removable from the animal's skin from either side of the skin pierced. The tool comprises an elongate rigid member having a handle portion, an intermediate, integral tag holding portion, and an integral pointed and sharpened skin piercing end portion. The tag holding portion includes longitudinally extending slot means for releasably holding the...

A phosphine releasing composition suitable for use as a pest control agent comprising a mixture of aluminium phosphide, zinc or a zinc compound and a source of ammonia or ammonium ion, can be produced by mixing the components. The zinc or zinc compound in combination with the ammonia or ammonium ion protects the compositions when exposed to water vapor or liquid water against auto-ignition.

Both portions of a center tapped track transformer secondary winding, a load resistor, and a balancing resistor are connected into a balanced bridge network, with the load resistor also connected across the track section rails. A first control transformer primary winding is connected in parallel with the load resistor and its rectified secondary output is applied to charge a timing capacitor which biases a first transistor to conduction to energize the track relay. The primary winding of a secon...

Apparatus adapted to be secured to a pole or cable for supporting a vertical sign in any desired angular position about its vertical axis and for detachably locking same in said position.

A method for treating Peyronie's disease includes providing an elongated tube having an inner diameter that is substantially equal to the outer diameter of an erect penis, such that the walls thereof will be adjacent the outer surface of the erect penis. A base portion is provided on the end of the elongated tube that is operable to be disposed about the base portion of an adult male penis to provide a seal therewith to air flow. The adult male penis is inserted into the end of the tube having t...

The likelihood of auto-ignition occurring while hydrolyzing particulate aluminum phosphide with H.sub.2 O to produce phosphine is reduced by conducting the hydrolysis of the aluminum phosphide in the presence of both a source of ammonia or ammonium ions and zinc or zinc compound, the latter reducing the temperature rise associated with the hydrolysis.

A pneumatic massage device for applying suction to the skin including a suction cup member, a solenoid operated needle valve and a solenoid operated vacuum pump is provided. A pair of positioning straps are attached to the suction cup member to facilitate a person positioning the suction cup member on any desired area of his body without the assistance of another person. Each strap includes a form-fitted handle with a push-button switch to independently control the needle valve and vacuum pump.