Abstract: A method of making a composition, said method comprising, spraying a substance comprising platinum and iron into or onto an alumina-containing compound is disclosed. The resulting composition can then be used in a process for oxidizing carbon monoxide with free oxygen.

Abstract: A process for disproportionating isopentane into isomers of hexane and butane that utilizes a fixed bed reactor employing a catalyst composition comprising aluminum halide. The process additionally includes a product separation zone which can be configured to recover and return at least a portion of the isopentane product stream to the inlet of the disproportionation reactor.

Abstract: The present invention relates to an aeration device for use in a liquid medium. The device includes a housing adapted to float within the medium such that a top portion thereof remains above a top surface of the medium. The housing has a bottom portion and an open side portion. The device further includes a hose affixed to the bottom portion of the housing substantially parallel to the surface of the liquid medium. The hose has a wall with a plurality of pores formed therein. The device further includes a gas-supplying pipe affixed to the hose and means for supplying a gas to the pipe such that the gas passes through the pipe and into the hose.

Abstract: A portable handheld work apparatus such as a motor-driven chain saw (1) includes a housing (2) wherein an internal combustion engine (10) and a carburetor (11) are mounted. A throttle lever (6) is provided which is pivotally journalled on a handle (3). The handle (3) is connected to the housing (2) via at least one antivibration element (33). A vibration gap (9) is configured between the handle (3) and the housing (2). A transmitting unit (13) is provided for transmitting the pivot movement of the throttle lever (6) to the carburetor (11). The transmitting unit includes a rigid transmitting element (17, 37) which bridges the vibration gap (9).

Abstract: A composition comprising a promoter and a metal oxide selected from the group consisting of a gallium oxide, an indium oxide, and combinations of any two or more thereof, wherein at least a portion of the promoter is present as a reduced valence promoter and methods of preparing such composition are disclosed. The thus-obtained composition is employed in a desulfurization zone to remove sulfur from a hydrocarbon stream.

Abstract: The present invention is directed to a system for recovering metal values from metal-bearing materials. During a reactive process, a seeding agent is introduced to provide a nucleation site for the crystallization and/or growth of solid species which otherwise tend to passivate the reactive process or otherwise encapsulate the metal value, thereby reducing the amount of desired metal values partially or completely encapsulated by such material. The seeding agent may be generated in a number of ways, including the recycling of residue or the introduction of foreign substances. Systems embodying aspects of the present invention may be beneficial for recovering a variety of metals such as copper, gold, silver, nickel, cobalt, molybdenum, zinc, rhenium, uranium, rare earth metals, and platinum group metals from any metal-bearing material, such as ores and concentrates.

Abstract: The invention is directed to a crankshaft (1) of an internal combustion engine including an internal combustion engine for a portable handheld work apparatus such as a motor-driven chain saw or the like. The invention is also directed to a method for making the crankshaft (1) as well as an internal combustion engine with a corresponding crankshaft (1). The crankshaft (1) is made up of separately manufactured parts and includes a crank arm (2) having a central cutout (3) for accommodating a shaft lug (4) of the crankshaft (1) and an eccentric cutout (5) for accommodating a crank pin (6). The crank pin (6) journals a connecting rod (7). A centrifugal mass portion (8) is provided on the crank arm (2) at its end lying opposite the eccentric cutout (5). The centrifugal mass portion (8) is configured as one piece with the crank arm (2) and is bent out of a plane (9) of the crank arm (2) in the direction of the connecting rod (7).

Abstract: The invention relates to a method for depositing compounds on a substrate by means of metalorganic chemical vapor deposition and a first mixture comprising at least one carrier gas and at least one organometallic compound as well as a second mixture comprising at least one carrier gas and at least one group V compound or group VI compound, both mixtures being separately fed into an MOCVD system. According to the invention, the first mixture comprising at least one carrier gas and at least one organometallic compound is directed into the system between the substrate and the second mixture comprising at least one carrier gas and at least one group V compound or group VI compound, which has the advantageous effect of creating no parasitic deposits on the walls of the MOCVD system. Hence, the deposition rates are increased compared with methods known in prior art.

Abstract: The present invention is directed to a system for recovering metal values from metal-bearing materials. During a reactive process, a seeding agent is introduced to provide a nucleation site for the crystallization and/or growth of solid species which otherwise tend to passivate the reactive process or otherwise encapsulate the metal value, thereby reducing the amount of desired metal values partially or completely encapsulated by such material. The seeding agent may be generated in a number of ways, including the recycling of residue or the introduction of foreign substances. Systems embodying aspects of the present invention may be beneficial for recovering a variety of metals such as copper, gold, silver, nickel, cobalt, molybdenum, zinc, rhenium, uranium, rare earth metals, and platinum group metals from any metal-bearing material, such as ores and concentrates.

Abstract: A two-stroke engine has a cylinder and a piston reciprocating in the cylinder and delimiting a combustion chamber. The piston has at least one piston recess. A crankshaft is rotatably arranged in a crankcase connected to the cylinder. A connecting rod connects piston and crankshaft. Transfer channels connect the crankcase to the combustion chamber in pre-defined piston positions. The transfer channels each have a transfer port opening into the combustion chamber. A device for supplying fuel and an air channel supplying combustion air are provided. In predetermined piston positions, the air channel is connected by the piston recess to the transfer ports. The air channel opens into the cylinder bore opposite the exhaust for the exhaust gases. The air channel, the piston recess, and the transfer channels define an air passage that provides approximately uniform distribution of air from the air channel into the transfer channels.

Abstract: A Method and device for the measurement of exhaust gas from internal combustion engines using a full-flow dilution method in which the exhaust volume flow is mixed with dilution air so that in specified test cycles, a defined total volume flow results, from which a partial sampling volume flow is extracted, on which a measurement of particulate emissions and/or gaseous components in the exhaust is conducted, and wherein a smoothed curve (II) of the exhaust flow (I) that is varied during the test cycles is determined, and the total volume flow (III) is adjusted in proportion to the variations in the measured smoothed curve of the exhaust flow.

Abstract: A catalyst comprising a 1) complex comprising: a) at least one metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals, and combinations thereof, b) a compound having the formula R3X wherein R is selected from the group consisting of hydrogen, an alkyl, an alkenyl, an alkynyl, cycloalkyls, cycloalkenyls, cycloalkynyls, aryls, substituted aryls, and substituted organic compounds and wherein X is a Group 15 element selected from the group consisting of nitrogen, phosphorus, arsenic, antimony and bismuth; and 2) support component comprising a silicon-containing compound and a method of making said catalyst, is disclosed. The catalyst is then used to dehydrogenate hydrocarbons in a dehydrogenation reaction zone under dehydrogenation reaction conditions.

Abstract: A catalyst comprising at least one metal selected from the group consisting of Group 8 metals, Group 9 metals, Group 10 metals and combinations thereof, an organic compound, and a solid acid and a method of making said catalyst is disclosed. The catalyst can be used in a hydrocarbon conversion process.

Abstract: The invention is directed to a crankshaft (1) of an internal combustion engine including an internal combustion engine for a portable handheld work apparatus such as a motor-driven chain saw or the like. The invention is also directed to a method for making the crankshaft (1) as well as an internal combustion engine with a corresponding crankshaft (1). The crankshaft (1) is made up of separately manufactured parts and includes a crank arm (2) having a central cutout (3) for accommodating a shaft lug (4) of the crankshaft (1) and an eccentric cutout (5) for accommodating a crank pin (6). The crank pin (6) journals a connecting rod (7). A centrifugal mass portion (8) is provided on the crank arm (2) at its end lying opposite the eccentric cutout (5). The centrifugal mass portion (8) is configured as one piece with the crank arm (2) and is bent out of a plane (9) of the crank arm (2) in the direction of the connecting rod (7).

Abstract: A portable handheld work apparatus such as a motor-driven chain saw (1) includes a housing (2) wherein an internal combustion engine (10) and a carburetor (11) are mounted. A throttle lever (6) is provided which is pivotally journalled on a handle (3). The handle (3) is connected to the housing (2) via at least one antivibration element (33). A vibration gap (9) is configured between the handle (3) and the housing (2). A transmitting unit (13) is provided for transmitting the pivot movement of the throttle lever (6) to the carburetor (11). The transmitting unit includes a rigid transmitting element (17, 37) which bridges the vibration gap (9).

Abstract: A system and method for allowing web-based applications to run in a controlled environment. In particular, a method allocates server resources among applications running in a sandbox environment on a web server. Applications which attempt to exceed limits specified in templates associated with the application may be denied access to a resource.

Abstract: This invention relates to an aerator apparatus having a plurality of porous tubes coupled to a blower. The blower forces air through the porous tubing into a mixing chamber. A propeller propels water into the mixing chamber. Air and water are mixed in the mixing chamber. The result being a highly oxygenated liquid, such as water. This invention also relates to a method to use the aerator apparatus attached to a floatable frame to diffuse a gas into a liquid. This invention also relates to a system for efficiently aerating a pond or column of water wherein a bubble generator is enclosed in a removable housing.

Abstract: In a single-component or a multi-component injection molding machine with a nozzle-side clamping plate firmly connected to a machine bed and a closing-side clamping plate supported on the machine bed so as to be movable thereon relative to the nozzle-side clamping plate, and each clamping plate carries a mold half of an injection-molding tool, the mold half or a part of the mold half on the closing-side clamping plate is rotatable about an axis of rotation extending in closing direction and is axially movable along the axis of rotation. In the closing-side clamping plate, a motor is received and which a rotatable shaft extends through the motor and is rotatable by the motor for rotating the mold half connected to the closing side clamping plate.

Abstract: The present invention is directed to a system for recovering metal values from metal-bearing materials. During a reactive process, a seeding agent is introduced to provide a nucleation site for the crystallization and/or growth of solid species which otherwise tend to passivate the reactive process or otherwise encapsulate the metal value, thereby reducing the amount of desired metal values partially or completely encapsulated by such material. The seeding agent may be generated in a number of ways, including the recycling of residue or the introduction of foreign substances. Systems embodying aspects of the present invention may be beneficial for recovering a variety of metals such as copper, gold, silver, nickel, cobalt, molybdenum, zinc, rhenium, uranium, rare earth metals, and platinum group metals from any metal-bearing material, such as ores and concentrates.

Abstract: A composition comprising a promoter and a metal oxide selected from the group consisting of a cerium oxide, a scandium oxide, a lanthanum oxide, and combinations of any two or more thereof, wherein at least a portion of the promoter is present as a reduced valence promoter and methods of preparing such composition are disclosed. The thus-obtained composition is employed in a desulfurization zone to remove sulfur from a hydrocarbon stream.