Abstract: A monitoring device is provided. The monitoring device comprises one or more circuitry operable to obtain measurements of one or more pins of a battery system, the one or more circuitry comprising at least one circuit for monitoring current, which comprise: at least one other circuit for amplifying variance comprising at least one differential amplifier, one voltage reference in electrical connection with a first input of the differential amplifier; at least one transconductance means comprising at least one output in electrical connection with a second input of the differential amplifier and at least one input in electrical connection with an output of the differential amplifier; at least one current source in electrical connection with at least one output of the at least one transconductance means; and an output in electrical connection with at least one output of the at least one transconductance means.

Abstract: Aspects of managing fluid diffusion across active regions of one or more of a cathode and anode are disclosed herein, aspects include a method of efficient fluid distribution within an MEA (20) by forming a fluid confinement space with a sealing gasket (50) forming placed on at least one of an anode and a cathode of a fuel cell the gasket configured with at least one inlet (140) fluidly communicating with the fluid containment space and at least one outlet (145) through the gasket (50) fluidly communicating with the fluid containment space, inserting a generally planar rectangular porous gas diffusion layer (40) with two end walls, and two side walls, configured to fit form at least one inlet plenum (186) is formed around at least one edge of the gas diffusion layer (40) and an annular wall of the fluid confinement space and one outlet plenum (188) and, the resistance to fluid flow along the inlet plenum (186) is balanced against the resistance to fluid flow across the gas diffusion insert configured to urge

Abstract: The invention relates to a system for the controlled spreading of predator acarians, wherein the system comprises at least one case, the case having at least one orifice suitable for predator acarians to pass through from the inside of the case to the outside of the case, the system also comprising, in each case, predator acarians, prey acarians of said predator acarians, a substrate for the prey acarians and for the predator acarians and preferentially a source of food for the prey acarians, the system being characterized in that the weight of the substrate is less than twice the total weight of the predator acarians and of the prey acarians.

Abstract: A coolant injection controller for a fuel cell system, the coolant injection controller configured to actively control the flow of a coolant to a fuel cell assembly for cooling and/or hydrating the fuel cell assembly in response to a measure of fuel cell assembly performance, wherein the coolant injection controller is configured to provide for a first mode of operation if the measure of fuel cell assembly performance is below a predetermined threshold and a second mode of operation if the measure of fuel cell assembly performance is above the predetermined threshold, the first and second modes having different coolant injection profiles and wherein, in the first mode of operation, the coolant injection profile provides for control of the flow of coolant by alternating between at least two different injection flow rates.

Abstract: This application relates to switch arrangements, in particular switch arrangements suitable for switchable connecting nodes of audio driving circuitry (100) that may, in use, experience a signal swing depending on an output audio driving signal (VD). A switch arrangement (300) comprises first and second transistors (301 and 302) of the same polarity type connected in series between the first and second nodes, with a third transistor (303) connected between a defined voltage (VS) and an intermediate node (N3) between the first and second transistors. The first transistor (301) has a drain connection to the first node (N1) and a source connection to the intermediate node (N3). The second transistor (302) has a drain connection to the second node (N2) and a source connection to the intermediate node (N3).

Abstract: This application relates to switch arrangements, in particular switch arrangements suitable for switchable connecting nodes of audio driving circuitry (100) that may, in use, experience a signal swing depending on an output audio driving signal (VD). A switch arrangement (300) comprises first and second transistors (301 and 302) of the same polarity type connected in series between the first and second nodes, with a third transistor (303) connected between a defined voltage (VS) and an intermediate node (N3) between the first and second transistors. The first transistor (301) has a drain connection to the first node (N1) and a source connection to the intermediate node (N3). The second transistor (302) has a drain connection to the second node (N2) and a source connection to the intermediate node (N3).

Abstract: The present invention is a method and system for a network-based grocery store. The invention provides for network-based order placement, fulfillment, and delivery.

Abstract: The present invention is a method and system for a network-based grocery store. The invention provides for network-based order placement, fulfillment, and delivery.

Abstract: A method of operating a fuel cell system comprising a fuel cell assembly configured to generate electrical power from a fuel flow and an oxidant flow, the method comprising a first phase and a subsequent second phase, the first phase comprising; operating the fuel cell assembly with a first stoichiometric ratio of oxidant flow to fuel flow to generate electrical power; providing said generated electrical power to a heater element for heating a coolant for supply to said fuel cell assembly; the second phase comprising; delivering coolant heated in the first phase to the fuel cell assembly; operating the fuel cell assembly with a second stoichiometric ratio of oxidant flow to fuel flow to generate electrical power, the second stoichiometric ratio lower than the first ratio.

Abstract: A fuel cell system with planar manifold having at least one fuel cell assembly with a first side and a second side; a plurality of anodes on the first side; a plurality of cathodes on the second side; ion-conducting electrolyte between the first and second sides; a fluid manifold assembly fluidly connected to the first side. In the planar manifold a first barrier layer provides at least one inlet port in fluid communication with a hydrogen source, and at least one outlet port to remove any unreacted hydrogen and byproducts from the first side; a plurality of conduit layers, on at least one of which is disposed one or more channels fluidly connected to the at least one inlet port and one of which is fluidly connected to the at least one outlet port; and, a second barrier layer disposed above the plurality of conduit layers containing a plurality of perforations affixed to the first side to supply hydrogen gas.

Abstract: The present invention is a method and system for a network-based grocery store. The invention provides for network-based order placement, fulfillment, and delivery.

Abstract: A method of operating a fuel cell system comprising a fuel cell assembly configured to generate electrical power from a fuel flow and an oxidant flow, the method comprising a first phase and a subsequent second phase, the first phase comprising; operating the fuel cell assembly with a first stoichiometric ratio of oxidant flow to fuel flow to generate electrical power; providing said generated electrical power to a heater element for heating a coolant for supply to said fuel cell assembly; the second phase comprising; delivering coolant heated in the first phase to the fuel cell assembly; operating the fuel cell assembly with a second stoichiometric ratio of oxidant flow to fuel flow to generate electrical power, the second stoichiometric ratio lower than the first ratio.

Abstract: A coolant injection controller for a fuel cell system, the coolant injection controller configured to actively control the flow of a coolant to a fuel cell assembly for cooling and/or hydrating the fuel cell assembly in response to a measure of fuel cell assembly performance, wherein the coolant injection controller is configured to provide for a first mode of operation if the measure of fuel cell assembly performance is below a predetermined threshold and a second mode of operation if the measure of fuel cell assembly performance is above the predetermined threshold, the first and second modes having different coolant injection profiles and wherein, in the first mode of operation, the coolant injection profile provides for control of the flow of coolant by alternating between at least two different injection flow rates.

Abstract: The present invention is a method and system for a network-based grocery store. The invention provides for network-based order placement, fulfillment, and delivery.

Abstract: The disclosure relates to a composition comprising one, two or more immunogenic bacterial polypeptides and multivalent and monovalent vaccine compositions comprising the immunogenic bacterial polypeptides.

Abstract: The disclosure relates to a composition comprising two or more immunogenic staphylococcal polypeptides and a multivalent vaccine composition comprising the immunogenic staphylococcal polypeptides.

Abstract: The disclosure relates to a composition comprising two or more immunogenic staphylococcal polypeptides and a multivalent vaccine composition comprising the immunogenic staphylococcal polypeptides.

Abstract: The present invention is a method and system for a network-based grocery store. The invention provides for network-based order placement, fulfillment, and delivery.

Abstract: The present invention is a method and system for a network-based grocery store. The invention provides for network-based order placement, fulfillment, and delivery.

Abstract: The disclosure relates to a composition comprising one, two or more immunogenic bacterial polypeptides and multi-valent and monovalent vaccine compositions comprising the immunogenic bacterial polypeptides.