Abstract: A method includes projecting light to obtain a reference measurement using a first photoresistor; collecting dust on a platform during a collection time interval; and projecting light across the platform to obtain a dust measurement using the first photoresistor or a second photoresistor.

Abstract: A catheter support comprising a pliant tubular structure of rigidity greater than the penis including a region surrounding the penis shaft, a region surrounding the penis head, and a substantially closed end having an aperture aligned with the penis terminal opening through which the catheter is received. The catheter support limits or eliminates catheter movement substantially radial to the axis of the catheter and thus radially against the inner opening if the penis head, substantially reducing or eliminating abrasion or other insult to the penis surfaces and tissue that interface with the catheter. One embodiment comprises 2 substantially identical elongated halves having longitudinal recesses and hinged together to close around the penis end and catheter providing the catheter support in a structure having improved comfort and wearability.

Abstract: A catheter support comprising a pliant tubular structure of rigidity greater than the penis including a region surrounding the penis shaft, a region surrounding the penis head, and a substantially closed end having an aperture aligned with the penis terminal opening through which the catheter is received. The catheter support limits or eliminates catheter movement substantially radial to the axis of the catheter and thus radially against the inner opening if the penis head, substantially reducing or eliminating abrasion or other insult to the penis surfaces and tissue that interface with the catheter. One embodiment comprises 2 substantially identical elongated halves having longitudinal recesses and hinged together to close around the penis end and catheter providing the catheter support in a structure having improved comfort and wearability.

Abstract: A new class of phase change materials has been discovered based on compounds of: Ga; lanthanide; and chalcogenide. This includes compounds of Ga, La, and S (GLS) as well as related compounds in which there is substitution of S with O, Se and/or Te. Moreover, La can be substituted with other lanthanide series elements. It has been demonstrated that this class of materials exhibit low energy switching. For example, the GLS material can provide an optical recording medium with erasability 3-5 dB greater than the erasability of GeSbTe (GST) material which is the standard material for phase change memories.

Abstract: A new class of phase change materials has been discovered based on compounds of: Ga; lanthanide; and chalcogenide. This includes compounds of Ga, La, and S (GLS) as well as related compounds in which there is substitution of S with O, Se and/or Te. Moreover, La can be substituted with other lanthanide series elements. It has been demonstrated that this class of materials exhibit low energy switching. For example, the GLS material can provide an optical recording medium with erasability 3-5 dB greater than the erasability of GeSbTe (GST) material which is the standard material for phase change memories.

Abstract: A new class of phase change materials has been discovered based on compounds of: Ga; lanthanide; and chalcogenide. This includes compounds of Ga, La, and S (GLS) as well as related compounds in which there is substitution of S with O, Se and/or Te. Moreover, La can be substituted with other lanthanide series elements. It has been demonstrated that this class of materials exhibit low energy switching. For example, the GLS material can provide an optical recording medium with erasability 3-5 dB greater than the erasability of GeSbTe (GST) material which is the standard material for phase change memories.

Abstract: A catheter support comprising a pliant tubular structure of rigidity greater than the penis including a region surrounding the penis shaft, a region surrounding the penis head, and a substantially closed end having an aperture aligned with the penis terminal opening through which the catheter is received. The catheter support limits or eliminates catheter movement substantially radial to the axis of the catheter and thus radially against the inner opening if the penis head, substantially reducing or eliminating abrasion or other insult to the penis surfaces and tissue that interface with the catheter. One embodiment comprises 2 substantially identical elongated halves having longitudinal recesses and hinged together to close around the penis end and catheter providing the catheter support in a structure having improved comfort and wearability.

Abstract: A crucible material whose chemical composition consists essentially of, in weight %, about 93.5% to about 97.5% ZrO2, about 0.2% to about 1.0% MgO, about 1.0% to about 3.0% SiO2, and about 1.5% to about 2.5% Y2O3 wherein the SiO2 can be present as silica and a silicate of zirconium, magnesium, and/or yttrium. When formed to a crucible shape and sintered (fired) at elevated temperature, the ceramic material provides a crucible with improved resistance to thermal shock when heated to over 1100 degrees C.

Abstract: A new extended coverage anti-G suit combines a new continuous lower body pressure bladder with a nonextensible outer covering. The continuous lower body pressure bladder includes an abdominal bladder section and a pair of wrap-around leg bladder sections. Each leg bladder sections overlaps slightly at the inseam. A trouser-shaped nonextensible outer covering covers the pressure bladder and restrains its expansion when the pressure bladder is inflated. A pair of pressure socks worn between regular socks and boots interconnects with the pressure bladder.

Abstract: A laminated roofing material includes an aluminum foil top sheet laminated to a polyethylene film by an ionomer resin. After the sheets are bonded together they are cooled to set the resin and a asphalt coating is applied to the exposed polyethylene sheet and covered with a release paper. The roofing material is applied over an underlayment to form a roof supported by conventional sheeting material.

Abstract: A laminated roofing material includes an aluminum foil top sheet laminated to a polyethylene film by an ionomer resin. After the sheets are bonded together they are cooled to set the resin and a bitumen coating is applied to the exposed polyethylene sheet and covered with a release paper. The roofing material is applied over an underlayment to form a roof supported by conventional sheeting material.

Abstract: A laminated roofing material includes an aluminum foil top sheet laminated to a polyethylene film by an ionomer resin. After the sheets are bonded together they are cooled to set the resin and a bitumen coating is applied to the exposed polyethylene sheet and covered with a release paper.

Abstract: An apparatus in which grout is extruded from the same chamber in which mixed. Provision is made to clean the system after it has undergone one cycle of mixing and extrusion. The basic components of the apparatus include a mixing chamber with a mixing ram having collapsible mixing fingers. Encircling this mixing ram is an extruding ram with a ram head. The mixing ram is concentric with and extends through a lower extruding ram cylinder with the upper portion of the mixing ram having a mixing head normally seated in the mixing chamber and concentric with the ram head. Provision is made to bring water into the mixing chamber, to insert grout in the same chamber, and to outlet the water and grout from the same.

Abstract: A separator for liquids, such as oil and water, is provided. The separator comprises a tangentially-fed, cylindrical vortex generating chamber which communicates axially with a conical accelerating chamber so as to form an axially disposed vortex of the lower density liquid surrounded by the higher density liquid. Both liquids flow generally downwardly in a helical flow pattern and leave the liquid separator by gravity, the lower density liquid flowing freely through an axially disposed vortex finding tube. The axially disposed vortex finding tube may be adjusted in a plane normal to the axis of the accelerating chamber as well as in the direction of the axis of the accelerating chamber. Additionally, the vortex finding tube may contain a flexible section to permit oscillation of the mouth of the vortex finding tube in a plane normal to the axis of the accelerating chamber.

Abstract: A respirator comprising a hood and visor adapted to protect a wearer against an undesirable substance and so closely to fit and envelop the wearer's head as to be susceptible of being worn underneath a helmet, the visor being formed to accommodate an oronasal mask and the respirator having purge gas supply means for maintaining a positive pressure within the respirator and for washing over the visor in visual regions thereof as well as breathing gas supply means.

Abstract: A grouting cartridge is described for placing in a hole of a support structure. The cartridge is capable of rapidly forming a solid grout about an anchor element where the anchor element is thrust into the hole. The cartridge comprises a frangible outer tubular casing fabricated of plastic or the like and containing a uniform mixture of a water-hardenable cement and a multitude of frangible microcapsules which hold droplets of water. One or more of these cartridges is placed in the borehole, and the anchor element in a one-step operation is inserted therein, and preferably rotated, to pierce the casing and rupture the microcapsules to uniformly wet the cement to form a cement paste. The cement paste under the pressure of the anchor element flows into intimate contact with the hole wall of the support structure and into intimate contact with the surfaces of the anchor element.

Abstract: The azimuth beamspread smear effect in a radar image is simulated by convoluting a terrain function with an antenna gain function for each sweep that the target object is within the antenna gain bandwidth. The initial grid map of elevation-reflectance terrain data is combined with aircraft position and antenna orientation data to provide composite terrain data required to compute a terrain function along each range arc. Each radar sweep generates a data raster of composite terrain data for the R range points within that sweep. The antenna bandwidth is a small sector, M sweeps wide, which moves across the scanned sector as the antenna rotates forming R range arcs. A constantly changing block of composite terrain data for the M sweeps and R points must be continuously maintained to generate the beamspread smear by convolution of the terrain function and the antenna function. The MxR block of terrain data is held in the form of a Fourier series for each range arc.

Abstract: Input data from an XY encoder stage is continuously monitored and compared to an internally generated count as the stage is adjusted in position. The internal count is generated a single count at a time by transitions in the X-Y input data on the basis that each transition is a one-step change in encoder position. A series of one-step transitions causes both the input data and the internal count to change together, or track. If a single transition is greater than a single encoder step, the input data advances ahead of the internal count and tracking is lost, causing a comparison error. The error halts the monitoring process, activates an alarm, and holds the current input data and internal count for visual comparison in a numerical display. The operator can then remonitor the faulty portion of the stage encoder to determine the nature of the error.