71results about How to "Extended mission" patented technology

Disclosed is a system and method for intelligent traffic control using wireless sensor and actuator networks. The system comprises a control center, M regional gateways, and N sensor and actuator nodes. The N sensor and actuator nodes and L cluster heads form L clusters. Each cluster includes a cluster head and at least a sensor and actuator node. The control center, the M regional gateways, and the N sensor and actuator nodes form a multi-layer structure. Each N sensor and actuator node may real-time detect traffic states, and exchange information with other nodes via a wireless communication having a self-recovery function. The system and method applies a distributed computing strategy to automatically adjust the traffic control on each traffic flow, thereby achieving an efficient traffic control.

An apparatus comprising a body defining a first vertical axis, two or more frame members each having a longitudinal axis and having an inner-end and an outer-end connected to the body at the inner-end and where a first horizontal geometrical plane is generally coincident with the longitudinal axis of each of the two or more frame members and where the first horizontal geometrical plane is generally orthogonal to the first vertical axis, two or more rotary-wings each comprising one or more blades whose rotation defines a first rotational axis which is configurable to be nearly parallel with the first vertical axis and comprising a second rotational axis which is configurable to be approximately parallel first horizontal geometrical plane where a first of the two or more rotary-wings having a blade-inner-end and a first blade-outer-end rotatably connected by its blade-inner-end to a first transmission is disposed substantially on the outer-end of a first of the two or more frame members, a second of the two or more rotary-wings having a blade-inner-end and a blade-outer-end rotatably connected by its blade-inner-end to a second transmission is disposed substantially on the outer-end of a second of the two or more frame members, where each of the first rotational axes is disposed on the opposite side of plane which is coincident with the first vertical axis, where the direction of rotation of a first of the two or more rotary-wings about its first rotational axis is opposite of that of the second of the two or more rotary-wings about its first rotational axis, and, where the rotational disk defined by the rotation of the blade-outer-end of the first of the two or more rotary-wings is at least partially coincident with rotational disk defined by the rotation of the blade-outer-end of the second of the two or more rotary-wings.

The invention discloses a high polymer anti-leakage dense patching material, which comprises by weight hot plastic elastomer 40-60%, thickener 40-60%, softening agent 08%, anti-aging agent 0-2%, catalyst 0-1%, and filling agent 0-15%. The invention also discloses an anti-leakage tyre containing above mentioned high polymer anti-leakage dense patching material, which can efficiently prevent tyre from air leakage and tyre bursting due to pricking of the tyre, guarantee safety in running of vehicles and prolong the service life of tyres. And the use effect of the tyres will not be affected due to the machining (for example dynamic balancing, operation, braking, comfortableness and load bearing capacity, etc.).

The hydraulic variable loading system for roller-plate coal mill in power station, cement mill, etc. consists of filter, motor, two-gang pump, high pressure bi-directional filter, pressure speed variator, energy accumulator, two-position four-way solenoid valve, hydraulic cylinder, proportional overflow valve, etc. The motor drives the two-gang pump to provide the hydraulic kinetic energy, and under the control in the central control room via the pressure speed variator, proportional overflow valve and the hydraulic variable loading system, the work pressure is applied to the hydraulic cylinder cavity. The system of the present invention is novel, safe and reliable, and makes the coal mill operate stably at low load.

The invention relates to a method for fixing underground gas storage well cylinder, which comprises a well cylinder whose bottom has a one-way valve and a fixing bracket inside the basic well; a irrigating device for mounting insertion tube and modulating the cement via the cement pump, insertion tube, and one-way valve to fill cement into the cylinder and the well wall; then removing the irrigating device; and waiting the cement be solidified. The invention can avoid pollution on the inner chamber of well cylinder, to eliminate the washing process. And it can improve the safety and service life of well cylinder.

The invention discloses a method for producing hydrogen with high yield and high purity by reforming and transforming dry refinery gas. The method comprises the following steps: (1) separating the dry refinery gas through a membrane, enriching hydrogen on a permeation side and enriching methane, ethylene, ethane and fractions higher than C2 on a non-permeation side; (2) carrying out pressure swing adsorption on the hydrogen enriched on the permeation side in the step (1) to obtain product hydrogen; (3) carrying out pressure swing adsorption on the gases on the non-permeation side to discharge the non-adsorbed methane, the ethane and other light hydrocarbon gases; (4) reacting the methane with water vapor under the action of a catalyst to generate a mixed gas of carbon monoxide, hydrogen and carbon dioxide; (5) reacting the carbon monoxide generated in the step (4) with the water vapor to generate a mixed gas of hydrogen and carbon dioxide; and (6) carrying out pressure swing adsorption on the mixed gases to obtain the product hydrogen. The method disclosed by the invention can be used for obtaining hydrogen with high purity and obtaining high hydrogen yield as well.

A method and system for satellite control in space using an IP-based satellite bus and all-IP compliant subsystems and payload(s) and a corresponding T&C system. Specifically, the present method/system includes a satellite-based IP Bus (connected as a network) that relies on Ethernet, USB, WIFI, or Bluetooth to connect various satellite components, satellite components configured to communicate on the IP bus, and a T&C system that understands the IP bus and can read its telemetry and commands. The system permits operations control on-orbit, in near real time within a secure system environment, with a dramatic increase in mission efficiency, an expansion of how much and what can be done on-orbit, and cost savings on future missions using IP-compliant spacecraft and payloads.

The voice storage device of the invention includes a storage means that stores a voice signal, and a voice compression means that compresses the voice signal requiring a re-coding compression, of the voice signal stored in the storage means, in accordance with a compression degree and a significance of the voice signal. The voice coding device includes: an LSP quantizer that quantizes LSP parameters, an LSP multi-stage quantizer that quantizes quantization error components that the LSP quantizer is impossible to express, a pitch component coder that attains pitch components from linear predictive errors, an excitation source coder in which an excitation source is configured with a multi-stage code book, an essential code output unit that outputs a code essential to decoding from the output of the LSP quantizer, the pitch component coder, and the excitation source coder, and a sound quality improving code output unit that outputs a code to improve a decoded sound quality from the output of the LSP multi-stage quantizer and the excitation source coder.

An enhanced biohazard detection system and a method for detecting, screening and analyzing biological agents are disclosed. The system incorporates an immunoassay detection device to provide a more robust, less expensive method for detecting biological agents in air samples collected at strategically located monitored sites. The immunodetection based assays may be used either in parallel with, or as a prescreening assay for, a polymerase chain reaction based assay for detecting and identifying biological agents in air samples.

The invention belongs to the technical field of environment-friendly equipment and relates to a rotational-flow type dust removing and desulfurization device for treating industrial waste gas and smoke dust before emission. The rotational-flow type dust removing and desulfurization device comprises a barrel body, wherein the barrel body is sequentially divided into a first chamber, a second chamber and a third chamber from bottom to top; a separation plate is arranged between the first chamber and the second chamber; a gas inlet is formed in the side wall of the first chamber; a water spraying pipe is arranged on the peripheral wall of the gas inlet; a gas guide pipe is arranged in a central area of the first chamber; the gas guide pipe is fixedly arranged on the separation plate and penetrates through the first chamber and the second chamber; a rotational flow device is mounted on the upper part of the gas guide pipe; the inner side of the barrel wall of the second chamber is provided with a baffle plate matched with the rotational flow device; a liquid storage tank is formed by the separation plate and the lower part of the peripheral wall of the second chamber; the third chamber is internally provided with a plurality of rotational flow plates and spraying nozzle groups from bottom to top; the rotational flow plates and the spraying nozzle groups are arranged at intervals. According to the rotational-flow type dust removing and desulfurization device, the exchange is intensified, water is discharged automatically and the multilayered dust removing and desulfurization is realized; the integration of dust removing, desulfurization and defogging is realized really.

A lift producing multi-rotor apparatus with a single gear, central drive gear unit actuating gear driven rotor-shaft units having pitch-controlled rotor heads where the rotor units are disposed directly opposite from each other, the direction of rotation of opposing rotor units are opposite from each other, and where the rotational-disk defined by each rotor overlaps two adjacent rotational disks.

The invention relates to a mah-jongg placing system for a full-automatic mah-jongg machine, and the system provided by the invention comprises four mah-jongg pushing devices, four horizontally arranged mah-jongg placing rails and a chain transmission device, wherein the chain transmission device is arranged below the four mah-jongg placing rails; each mah-jongg pushing device is respectively arranged at a mah-jongg inlet on one corresponding mah-jongg placing rail; each mah-jongg pushing device comprises a mah-jongg pushing head; guiding slots are arranged on the mah-jongg placing rails; the chain transmission device comprises a mah-jongg placing wheel; the mah-jongg pushing heads of the mah-jongg pushing devices are arranged above the starting ends of guide slots on the mah-jongg placing rails and are opposite to the mah-jongg inlets on the mah-jongg placing rails; the mah-jongg placing wheel is in sliding connection with the guide slots; slots, into which the mah-jongg placing wheel can slide, are arranged on the lower parts of the mah-jongg pushing heads; and the mah-jongg placing rails and the bottom of the mah-jongg machine are fixed through a rail bracket. The mah-jongg placing system for the full-automatic mah-jongg machine comprises the chain transmission device which is used for replacing the steel wire transmission in the prior art by the chain transmission, thus the mah-jongg pushing effect is greatly improved, and the structure is more stable.

The invention provides an ion forming container and an ion source. The ion forming container comprises a container body, a first cathode electrode and a second cathode electrode, wherein the container body comprises a first side wall and a second side wall which are oppositely arranged; the first cathode electrode is arranged in the first side wall, and first voltage is exerted onto the first cathode electrode; the second cathode electrode is arranged in the first side wall and surrounds the first cathode electrode, second voltage is exerted onto the second cathode electrode, and third voltage is exerted onto the container body; and the second cathode electrode is made of a tungsten lanthanum alloy material, the first voltage is smaller than the second voltage, and the second voltage is smaller than the third voltage. According to the ion forming container and the ion source, the second cathode electrode adopts the tungsten lanthanum alloy material, in the process of forming hot electrons, lanthanum metal enables the surface of the second cathode electrode to keep smooth, the surface of the second cathode electrode keeps smooth, the service life of the second cathode electrode is prolonged, and therefore the short circuit phenomenon, caused by expansion of the second cathode electrode, of the second cathode electrode and the container body is avoided, and the service life of the ion source is prolonged.

The invention belongs to the technical field of automobile exhaust gas treatment, and particularly discloses a high-efficiency and durable exhaust gas degradation material and a preparation method thereof. The high-efficiency and durable exhaust gas degradation material is prepared from, by mass, 40%-45% of nano TiO2, 43%-48% of Al2O3 and 8%-12% of rubber powder. The exhaust gas degradation material is composed of the nano TiO2, the Al2O3 and the rubber powder, wherein the addition of the Al2O3 and rubber powder modifies the nano TiO2, compared with a pure nano TiO2 material, the material is prepared into a coating, the coating is applied on the road surface, the material has a faster and higher exhaust gas degradation rate and better wear resistance, thereby making the nano TiO2 be betterapplied and popularized in the field of automobile exhaust gas degradation.

A method is provided for repair of a mechanical or electromechanical system of a machine. An inference engine receives indication of a failure mode of the system, and measurements of operating conditions of the machine, and the inference engine defines a current problem including (a) the failure mode of the system, and (b) a pattern in the measurements. The inference engine searches a knowledge base with historical problems including (a) failure modes of systems of the machine, and (b) patterns in measurements of the operating conditions, and respective solutions with (c) repair actions performed to address the respective ones of the failure modes, for a respective solution to a historical problem most similar to the current problem. This is inferred as a solution to the current problem, and the inference engine generates an output display indicating the repair action of the solution to address the failure mode of the system.

The invention relates to a thermal treatment process of a copper tube perforation needle. The thermal treatment process is characterized by comprising the following process steps of: (1) performing first-stage heating treatment on a perforation needle in a salt bath furnace of 820-850 DEG C, and performing second-stage heating treatment on the perforation needle in a salt bath furnace of 1,020-1,050 DEG C; (2) cooling the perforation needle in quenching oil of 50-80 DEG C, discharging oil when the perforation needle is cooled to 300-250 DEG C, and naturally cooling to 100-120 DEG C in air; (3) performing tempering treatment: performing tempering treatment on the perforation needle, which is subjected to quenching and cooling treatment, at 560-600 DEG C, preserving heat for 8-12 hours and then naturally cooling in air to room temperature; and (4) repeating the operation of the step (3) for two to three times to finish the thermal treatment process of the perforation needle. According to the thermal treatment process of the copper tube perforation needle, the service life is prolonged, a new process for thermal treatment of the perforation needle is developed, the service life can be prolonged by six times, and the hardness of the copper tube perforation needle after thermal treatment can be 47-52 HRC (Rockwell hardness).

A system and method for preventing unauthorized access to copyrighted academic texts is provided in which trademark licenses, discussion boards, and grade content are integrated into a web-based system that aligns the interests of teaching professionals, students, and publishers while also enhancing the overarching academic mission to create and disseminate knowledge.

The invention discloses a slide-wire resistor which comprises a resistance wire layer and a lead rail, wherein a sliding rod is arranged3on the lead rail and provided with a contact wheel at the lower end; the contact wheel is in match with the resistance wire layer; and moreover, the lead rail, the sliding rod and the contact wheel are electrically connected. Preferentially, the edge of the contact wheel is in shape of a pointed cone. The slide-wire resistor has the advantages that the service life of the slide-wire resistor is relatively long, and the resistance variation precision is relatively high.

The invention provides an easy-to-operate battery module fastening device which comprises a storage battery box, a storage battery, a positioning column, a positioning column hole, a positioning plugpin, a plug pin hole and a connecting chain, wherein the positioning column hole is assembled at the corner angle of the storage battery; a buckling slot is arranged in the left end surface of the storage battery; the positioning column is mounted at the corner angle of the lower end surface of the storage battery box; the positioning plug pin is connected with the positioning column through the connecting chain; the upper end of the positioning column is provided with the plug pin hole; a metal buckle is mounted at the middle of the lower part of the lower end surface of the storage battery box; the connecting chain is mounted at the upper end of the positioning column. The device provided by the invention prevents the storage battery from moving up and down to improve the stability of the battery module, avoids left-right movement of the storage battery to make the battery module firmer, and thus greatly prolongs the service life of the storage battery, facilitates the use and has strong practicability and is safe and reliable.

The invention relates to a preparation method of an anti-yellowing composite reverse osmosis membrane and an application thereof, and the preparation method comprises the following steps: synthesizing poly (ethylene glycol dimethacrylate (EGMA)/isobutoxyacrylamide (IBMA)/acrylamide (AM) ternary anti-yellowing copolymer particles, fixing the ternary anti-yellowing copolymer particles in an ultrafiltration membrane, adding IBMA in the interfacial polymerization process, forming two anti-yellowing layers, and cross-linking IBMA with multi-element acyl chloride or self in interfacial polymerization to form a flexible network, so that the stability of the desalting layer is improved. The test results show that compared with the existing reverse osmosis membrane, the anti-yellowing composite reverse osmosis membrane prepared by the invention has excellent anti-yellowing performance, longer service life and higher flux and desalination performance.