Abstract: The invention relates to the use of mediator-enzyme system, which is characterised in that the enzyme comprises a laccase-type enzyme and the mediator comprises a chemical compound which acts as a redox intermediate in the enzymatic oxidation, for the elimination of lipophilic compounds (including, among others, sterols that are free and conjugated in the form of esters and glycosides, triglycerides, fatty alcohols and resin acids) which cause deposits in the product, the machinery and the circuits during the production of pulp and paper (both from hardwood and softwood and non-woody plants). The treatment eliminates up to 100% of the aforementioned lipophilic compounds, depending on the material treated, and, in this way, improves the quality of the pulp obtained, the operation of the industrial installations and the characteristics of the end product.

Abstract: A method and apparatus is provided for a system for maintaining hydrogen purity in an electrical power generator where the system monitors the health of the electrical generating system by calculating the time remaining until preventative maintenance is required based on hydrogen usage. The system also monitors the health of the system by detecting the occurrence of major leaks within the electrical power generator and adapting the operation of the system to maintain a desired operating environment.

Abstract: An electrochemical cell includes a first electrode, a second electrode, a proton exchange membrane disposed between and in intimate contact with the electrodes, and a pressure pad disposed in electrical communication with the first electrode. The pressure pad is an electrically conductive sheet and is of a structure that is conformable to pressure variations within the cell. Methods of forming the pressure pad include disposing dimples or corrugations at the electrically conductive member. A method of maintaining compression within the cell includes disposing the electrically conductive member and the compression member at the first electrode, applying a load at the cell to compress the cell components, and maintaining electrical communication through the electrically conductive member.

Abstract: An electrochemical cell includes a first electrode, a second electrode, a proton exchange membrane disposed between and in intimate contact with the electrodes, and a pressure pad disposed in electrical communication with the first electrode. The pressure pad is an electrically conductive sheet and is of a structure that is conformable to pressure variations within the cell. Methods of forming the pressure pad include disposing dimples or corrugations at the electrically conductive member. A method of maintaining compression within the cell includes disposing the electrically conductive member and the compression member at the first electrode, applying a load at the cell to compress the cell components, and maintaining electrical communication through the electrically conductive member.

Abstract: The present invention provides a system for providing high purity hydrogen having a hydrogen conversion device having a first outlet and a means for converting a hydrogen precursor into gaseous hydrogen at a predetermined first pressure. A first pressure regulator is fluidly coupled to the hydrogen conversion device outlet where the first regulator has a predetermined operating parameter set at a second pressure. A second pressure regulator is provided having a predetermined operating parameter set at a third pressure where the third pressure is lower than the second pressure. A second hydrogen source containing a first quantity of pressurized hydrogen gas at a fourth pressure is fluidly coupled to the second regulator. Finally, a junction fluidly couples the first and second regulators.

Abstract: A gas/liquid phase separator includes a fluid inlet, a vapor outlet, a liquid outlet, and first and second valves disposed in fluid communication with the liquid outlet. Both valves are controllable in response to a fluid level in the gas/liquid phase separator. Both valves are further disposed in parallel fluid communication with each other. A method of controlling a liquid level in the phase separator includes sensing an amount of liquid in the phase separator, sensing a system pressure, and selectively opening a valve disposed in fluid communication with the phase separator to drain the liquid.

Abstract: Apparatus, method and system are provided for recording and reproducing audio channel signals. A processor captures the audio channel signals communicated through communication channels over a network. A circular buffer configured to store the audio channel signals captured by the processor, such that when the end of the circular buffer is reached the storing starts at a beginning of the circular buffer, is also included. An actuator actuates the processor to copy the audio channel signals stored in the circular buffer into a temporary buffer and cause the processor to reproduce the audio channel signals stored in the temporary buffer.

Abstract: A power train control system for a mobile machine is disclosed. The power train control system has a power source configured to produce a power output, a transmission device operatively connected to receive the power output and propel the mobile machine, and a control module. The control module is configured to receive an indication of a power demand, receive an indication of a current travel speed of the mobile machine, and reference the power demand and the current travel speed with a power train efficiency map to determine a desired power source speed. The power train control system is also configured to control operation of the transmission device to bring a speed of the power source within a predetermined amount of the desired power source speed.

Abstract: A method and apparatus is provided for a system for maintaining hydrogen purity in an electrical power generator where the system monitors the health of the electrical generating system by calculating the time remaining until preventative maintenance is required based on hydrogen usage. The system also monitors the health of the system by detecting the occurrence of major leaks within the electrical power generator and adapting the operation of the system to maintain a desired operating environment.

Abstract: The present invention provides a system and method for monitoring and reporting the controlled and uncontrolled emissions of hydrogen gas from an end use application such as a hydrogen cooled electrical generator. The system first determines a quantity hydrogen produced by a hydrogen conversion device from a first operating parameter. The quantity of hydrogen released in a controlled manner is determined from a second operating parameter. The amount of uncontrolled hydrogen emissions may then be calculated from the produced hydrogen and controlled release values. A report detailing the type and amounts of hydrogen emissions may then be created.

Abstract: A method for forming semiconductor transistor. The method comprises providing a structure including (a) a semiconductor region, and (b) first and second dopant source regions on and in direct physical contact with the semiconductor region, wherein each region of the first and second dopant source regions comprises a dielectric material which contains dopants; causing the dopants to diffuse from the first and second dopant source regions into the semiconductor region so as to form first and second source/drain extension regions, respectively, wherein the first and second source/drain extension regions define a channel region disposed between; forming a gate dielectric region on a channel region; and forming a gate region on the gate dielectric region, wherein the gate dielectric region electrically insulates the gate region from the channel region.

Abstract: A method for forming semiconductor transistor. The method comprises providing a structure including (a) a semiconductor region, and (b) first and second dopant source regions on and in direct physical contact with the semiconductor region, wherein each region of the first and second dopant source regions comprises a dielectric material which contains dopants; causing the dopants to diffuse from the first and second dopant source regions into the semiconductor region so as to form first and second source/drain extension regions, respectively, wherein the first and second source/drain extension regions define a channel region disposed between; forming a gate dielectric region on a channel region; and forming a gate region on the gate dielectric region, wherein the gate dielectric region electrically insulates the gate region from the channel region.

Abstract: An exemplary embodiment of a regenerative electrochemical cell system, comprises: a fuel cell module, an electrolysis module, a heat exchange, and an inverted hydrogen storage device. The fuel cell module can comprise a fuel cell hydrogen inlet in fluid communication a hydrogen storage system, and a fuel cell oxygen inlet in fluid communication with a surrounding atmosphere and in fluid communication with a gaseous portion of an oxygen/water phase separation device. The electrolysis module can comprise an electrolysis water inlet in fluid communication with the water storage device via the fuel cell module, and an electrolysis water outlet in fluid communication with a second water storage device. The inverted hydrogen storage device can comprise a fluid inlet in fluid communication with an electrolysis hydrogen outlet, and a gas outlet in fluid communication with a fuel cell hydrogen inlet.

Abstract: A valve assembly having a body and a removable outlet adaptor with an anti-rotation device structured to resist rotation and movement of the removable outlet adaptor during installation and/or removal. The anti-rotation device has a first component on the removable outlet adaptor and a second component on the valve body.

Abstract: The present invention relates to an oxygen reduction system for a boiling water reactor. In the first embodiment, the system includes an oxygen content monitor having a sensor for measuring the content of oxygen in a water stream and a controller. The controller generating a signal indicative of the measured oxygen content. A hydrogen generator having a controller is electrically coupled to the oxygen content monitor. The generator controller changes the output of the hydrogen generator in response to a signal from the oxygen content monitor.

Abstract: A method for forming semiconductor transistor. The method comprises providing a structure including (a) a semiconductor region, and (b) first and second dopant source regions on and in direct physical contact with the semiconductor region, wherein each region of the first and second dopant source regions comprises a dielectric material which contains dopants; causing the dopants to diffuse from the first and second dopant source regions into the semiconductor region so as to form first and second source/drain extension regions, respectively, wherein the first and second source/drain extension regions define a channel region disposed between; forming a gate dielectric region on a channel region; and forming a gate region on the gate dielectric region, wherein the gate dielectric region electrically insulates the gate region from the channel region.

Abstract: A modular power system having separately removable electrolysis and power modules, each with separate sets of connection ports, is disclosed. The connection port set of the electrolysis module is adapted for operable communication with a water supply, a hydrogen storage device, and the power module, and the connection port set of the power module is adapted for operable communication with the water supply, the hydrogen storage device, and the electrolysis module.

Abstract: A power system, comprising: a primary power source in electrical communication with a bus and a bridging power source, wherein the bridging power source comprises at least one of a capacitor, a battery, and an electrolysis cell, and the bridging power source is in electrical communication with the bus; and a secondary power source in electrical communication with the bus. A method for operating a power system, comprising: monitoring a primary power source; if the primary power source exhibits selected characteristics, directing power from a bridging power source to a bus and initiating a secondary power source, and the bridging power source comprises at least one of a capacitor, a battery, and an electrolysis cell; and unless the secondary power source exhibits the selected characteristics, powering the bus with the secondary power source and ceasing the directing power from the bridging power source.

Abstract: A system for providing back-up power to a load powered by a primary power source comprises: a fuel cell arrangement for generating back-up power for the load, a bridging power source for generating bridge power for the load, and a controller in operable communication with the fuel cell arrangement and the bridging power source. The controller is adapted to initiate application of the bridge power to the load upon detecting a deterioration of power from the primary power source, and is further adapted to initiate application of the back-up power to the load upon detecting a power capability of the back-up power to power the load.

Abstract: A method of dispensing food whereby food prepared at a first location is transported to a second location for dispensing in a working cycle characterized by the steps of apportioning the food onto a plurality of trays (20A, 20B) at the first location, loading the plurality of trays (20A, 20B) into a rack (15) to give, in combination, a spaced array of loaded trays; the spaced array having predetermined overall dimensions; transporting the spaced array to an intermediate location, placing the loaded rack into a containment (11) with an internal volume (12) of sufficient size to receive at least one spaced array; transporting the containment along with its spaced array or arrays to the second location; regenerating food in the spaced array while within the containment; dispensing loaded trays (20A, 20B) from the spaced array; and returning the racks (15) back to the first or some other location for re-use.