摘要:
A radial planar fuel cell stack comprises an internal manifold having a first interior cavity and a second interior cavity. A plurality of single cells having an anode layer, a cathode layer, and an electrolyte layer therebetween are disposed about the manifold. A manifold bracket operatively fixes the manifold to at least one of the single cells. The manifold bracket describes a channel in communication with at least one of the first and second interior cavities. A porous element is disposed in the channel and ensures uniform distribution of gases over 360°.
摘要:
A sealant for a solid oxide fuel cell comprises a glass material that acts as a matrix, with the glass material being present between about 40 to 90 wt. %. A gap-filler material is also in the sealant and selected from the group consisting of a metal material and a ceramic material, with the gap-filler material being present between about 10 to 60 wt. %. The sealant can seal a gap as large as about 3 mm.
摘要:
A method associated with the selection of tubulars for hydrocarbon production is described. In particular, the method is associated with the evaluation of performance limits of threaded connections. In this method, constituents of an evaluation group of threaded connections are determined via model analysis. Then, physical testing on a first group of threaded connections in the evaluation group is conducted. Modeling analysis on the first group and a second group of threaded connections is performed, wherein the second group are not physically tested. Once modeled, the results from the physical testing and the modeling analysis are compared to assess a characteristic performance factor for the first group. Then, the characteristic performance factor is applied to the second group, and the performance limits are defined based on this characteristic performance factor.
摘要:
Inkjet printheads and actuator chips, such as an inkjet printhead actuator chip having a substrate, ink vias formed in the substrate, and columnar arrays of actuators in operational communication with the ink vias. At least one of the ink vias has at least one of a different length, width and a via to via pitch than another one of the ink vias. Imaging devices for use with the printheads are also disclosed.
摘要:
Ink jet print head adapted to minimize orientation-induced line-width variation. The print head having n nozzles located at the vertices of a regular or quasi-regular polygon having an average side length savg, and each side length of the polygon is less than 20% deviation from the average side length savg. The n nozzles are configured to ink jet a line having a line-width w; and each of the n nozzles is configured to ink jet a spot having an average area-equivalent spot diameter d which satisfies the inequality condition (I) 0.7w≦d+(n/π)savg
摘要:
An embodiment of the present invention includes a technique to improve stability of a pellicle. The pellicle is pre-baked at a predetermined temperature substantially below a glass transition temperature. The pre-baked pellicle is purged with an inert gas. The purged pellicle is radiated by a radiation at a wavelength. In another embodiment, a chamber is sealed with a pellicle membrane which divides the chamber into first and second compartments. The chamber has an inflow opening in the first compartment and an outflow opening in the second compartment. A gas is injected into the inflow opening and penetrates the pellicle membrane to the outflow opening. In another embodiment, the chamber has first inflow and outflow openings and second inflow and outflow openings in the first and second compartments, respectively. A first gas is injected into the first inflow opening and a second gas into the second inflow opening. The first and second gases have a permeability difference. The first gas penetrates the pellicle membrane to the second outflow opening.
摘要:
A system for upgrading new and existing gates or barriers to provide improved crash barrier rating. This system comprises a reinforcing attachment to the gate or barrier and improved reinforced bollards with catch hooks to absorb the energy of impact from a vehicle. The reinforcing attachment is an arrangement of cable and structural members that provide for increased reinforcement by ensuring that the load is distributed on the cable to minimize the risk of breakthrough as a result of cable failure. The bollards have been improved by strengthening the catch hook attachments and adding reinforcement positioning elements to facilitate proper assembly.
摘要:
Methods for treatment and/or prevention of nerve degeneration in mammals using aza-peptide epoxide caspase inhibitors are provided. Aspects of the present disclosure include aza-peptide epoxide compositions to treat or prevent diseases, for example stroke, Alzheimer's disease, Parkinson's disease, multiple sclerosis, neuropathies, Huntington's disease, dentatorubropallidoluysian atrophy, spinocerebellar atrophies, spinal bulbar muscular atrophy, diabetes, amyotrophic lateral sclerosis and other motor neuron diseases. The disclosed methods can be used in combination with calpain inhibitors to treat disease or pathological conditions related to the activity of caspases and calpain associated with a specific disease or condition. Such treatable conditions include stroke, Alzheimer's disease, Parkinson's disease, multiple sclerosis, neuropathies, Huntington's disease, dentatorubropallidoluysian atrophy, spinocerebellar atrophies, spinal bulbar muscular atrophy, nerve degeneration associated with diabetes, amyotrophic lateral sclerosis and other motor neuron diseases, nerve degeneration secondary to primary demyelinating disorders, among others.
摘要:
In a multimedia call center (MMCC) operating through an operating system, a client-specific self-help wizard is provided for active clients and updated periodically with information related to client transaction history with the MMCC. A connected client is presented by the wizard with a selective media function through which the client may a select a media type for interaction and help, and the MMCC will then re-contact the client through the selected media. The client, for example, may select IP or COST telephony, and the MMCC will place a call to the client to a number or IP address listed for the client, and interactivity will then be through an interactive voice response unit. Help information specific to a client is updated in the client's wizard periodically according to ongoing transaction history with the MMCC. The wizard may also monitor client activity with the wizard and make reports available to various persons.
摘要:
A system and method are disclosed for high temperature protection of combustor and other components by controlling the temperature of combustor gases in a hybrid fuel cell system combustor using a nozzle or plurality of nozzles to inject water or water vapor, downstream or directly into the combustor. A variable speed pump, actuated valve or other flow metering device regulates the supply of water to the nozzles and a steam generator. Flow regulation is effected by a control algorithm that reacts to combustor temperature, changes in the power production of the fuel cell system and/or other related system parameters.