Abstract: The present invention provides a high-strength and high-heat-resistant bio-based polyamide composition, which consists of the following parts of materials by mass: 43.50-89.95% of bio-based polyamide resin slices; 10-50% of reinforcements; 0.01-2% of rare earth compounds; 0.01-1% of copper salt antioxidant combinations; 0.01-1% of free-radical scavengers; 0.01-0.5% of heat-conducting masterbatches; 0.01-1% of stabilizers; and 0-1% of dispersants. The advantage of the present invention is presented in that: the bio-based polyamide resin slice is prepared through a stepwise polycondensation process of pentanediamine and adipic acid, or through a stepwise polycondensation process of pentanediamine, adipic acid and terephthalic acid and the pentanediamine is prepared through fermentation of starch, so the prepared polyamide resin pertains to an environmentally-friendly engineering plastic.

Abstract: The present disclosure provides a supercritical compressed air energy storage system. The supercritical compressed air energy storage system includes a supercritical liquefaction subsystem, an evaporation and expansion subsystem, a staged cryogenic storage subsystem, a heat storage and heat exchange subsystem, and a cryogenic energy compensation subsystem, the staged cryogenic storage subsystem being used for implementing the staged storage and release of cryogenic energy, improving efficiency of recovering cryogenic energy during energy release and energy storage, and thereby improving cycle efficiency of the system. The present disclosure does not need to provide any inputs of additional cryogenic energy and heat energy input externally, and has the advantages of high cycle efficiency, low cost, independent operation, environmental friendliness, and no limitation on terrain conditions, and it is suitable for large-scale commercial applications.

Abstract: The present disclosure provides a supercritical compressed air energy storage system. The supercritical compressed air energy storage system includes a supercritical liquefaction subsystem, an evaporation and expansion subsystem, a staged cryogenic storage subsystem, a heat storage and heat exchange subsystem, and a cryogenic energy compensation subsystem, the staged cryogenic storage subsystem being used for implementing the staged storage and release of cryogenic energy, improving efficiency of recovering cryogenic energy during energy release and energy storage, and thereby improving cycle efficiency of the system. The present disclosure does not need to provide any inputs of additional cryogenic energy and heat energy input externally, and has the advantages of high cycle efficiency, low cost, independent operation, environmental friendliness, and no limitation on terrain conditions, and it is suitable for large-scale commercial applications.

Abstract: The present disclosure provides an extrapolation method of low rotational speed characteristics of a compressor, which is suitable for acquisition the low rotational speed characteristics of a gas turbine on the ground or an aircraft engine, the extrapolation method takes into account an application condition of a similarity principle and specialties of the low rotational speed operation condition of the compressor, and comprises modifying exponents of the similarity principle to obtain the optimal exponents by an optimization algorithm, and applying a coefficient fitting method for a variable operating condition calculation of the gas turbine to the extrapolation of low rotational speed characteristic of the compressor to obtain the low rotational speed characteristic.

Abstract: The present invention concerns systems for storing energy and using the stored energy to generate electrical energy or drive a propeller (505). In particular, the present invention provides a method of storing energy comprising: providing a gaseous input, producing a cryogen from the gaseous input; storing the cryogen; expanding the cryogen; using the expanded cryogen to drive a turbine (320) and recovering cold energy from the expansion of the cryogen. The present invention also provides a cryogenic energy storage system comprising: a source of cryogen; a cryogen storage facility (370); means for expanding the cryogen; a turbine (320) capable of being driven by the expanding cryogen; and means (340, 350) for recovering cold energy released during expansion of the cryogen.

Abstract: Disclosed is an energy storage system using supercritical air, comprising a compressor unit, a heat exchanger and storage device, a cold exchanger and storage device, a cryogenic tank, a throttling valve, at least one cryogenic pump, an expander unit, a generator, and a driver unit. There are several advantages of this invention, including high energy density, high efficiency, no storage cycle and geographical conditions restriction, easy implementation with all kinds of power stations, environment friendliness and capability of recycling low to medium temperature waste heat and so on.

Abstract: A glass lampshade comprising a fusion body of crystal grain glass, an upper crystal glass plate, a lower crystal glass plate, and a curing gel layer. The upper crystal glass plate is attached to the lower crystal plate via the curing gel layer. The fusion body of crystal grain glass is attached to the upper crystal glass plate. A method of producing the glass lampshade.

Abstract: Disclosed is an energy storage system using supercritical air, comprising compressor units (1, 3), heat exchanger and storage device (2, 4), a throttle valve (5), a cryogenic tank (6), a cryogenic pump (8), expander units (9, 10), a generator (11), a driver unit (12), and a plurality of pipes. There are several advantages of this invention, including high energy density, high efficiency, no storage cycle and geographical conditions restriction, easy implementation with all kinds of power stations, environment friendliness and capability of recycling low to medium temperature waste heat and so on.

Abstract: A hot-melt glass pillar lamp and a multi-channel heat dissipation method thereof; the pillar lamp comprises a base, a hollow steel frame which is mounted on the middle of the base, several sections of pillar-shaped hot-melt glass lamp which surround the steel frame and are sequentially arranged on the base from down to up in an overlapping manner, and a lamp cover with air outlets, wherein, each section of the pillar-shaped hot-melt glass lamp comprises a fixing framework which is composed of a plurality of supporting bars and a supporting board; each surface of the fixing framework is separately provided with a hot-melt glass lamp plate; an LED lamp plate is arranged at a certain distance from the inner side of each hot-melt glass lamp plate, and on the corresponding surface of the steel frame.

Abstract: A multiple-layered hot-melt glass lampshade having a crystal-interwoven structure with a first hot-melt glass layer, a second hot-melt glass layer, a third hot-melt glass layer, a first crystal glass layer, a second crystal glass layer, and a curing gel layer. The order of arrangement is, from outside to inside, the first hot-melt glass layer, the second hot-melt glass layer, the third hot-melt glass layer, the first crystal glass layer, the curing gel layer, and the second crystal glass layer. The first hot-melt glass layer, the second hot-melt glass layer, and the third hot-melt glass layer are partially attached to each other. The third hot-melt glass layer is partially attached to the first crystal glass layer.

Abstract: A hot-melt glass pillar lamp and a multi-channel heat dissipation method thereof; the pillar lamp comprises a base, a hollow steel frame which is mounted on the middle of the base, several sections of pillar-shaped hot-melt glass lamp which surround the steel frame and are sequentially arranged on the base from down to up in an overlapping manner, and a lamp cover with air outlets, wherein, each section of the pillar-shaped hot-melt glass lamp comprises a fixing framework which is composed of a plurality of supporting bars and a supporting board; each surface of the fixing framework is separately provided with a hot-melt glass lamp plate; an LED lamp plate is arranged at a certain distance from the inner side of each hot-melt glass lamp plate, and on the corresponding surface of the steel frame.

Abstract: A glass lampshade comprising a fusion body of crystal grain glass, an upper crystal glass plate, a lower crystal glass plate, and a curing gel layer. The upper crystal glass plate is attached to the lower crystal plate via the curing gel layer. The fusion body of crystal grain glass is attached to the upper crystal glass plate. A method of producing the glass lampshade.

Abstract: A multiple-layered hot-melt glass lampshade having a crystal-interwoven structure with a first hot-melt glass layer, a second hot-melt glass layer, a third hot-melt glass layer, a first crystal glass layer, a second crystal glass layer, and a curing gel layer. The order of arrangement is, from outside to inside, the first hot-melt glass layer, the second hot-melt glass layer, the third hot-melt glass layer, the first crystal glass layer, the curing gel layer, and the second crystal glass layer. The first hot-melt glass layer, the second hot-melt glass layer, and the third hot-melt glass layer are partially attached to each other. The third hot-melt glass layer is partially attached to the first crystal glass layer.

Abstract: The present invention concerns systems for storing energy and using the stored energy to generate electrical energy or drive a propeller (505). In particular, the present invention provides a method of storing energy comprising: providing a gaseous input, producing a cryogen from the gaseous input; storing the cryogen; expanding the cryogen; using the expanded cryogen to drive a turbine (320) and recovering cold energy from the expansion of the cryogen. The present invention also provides a cryogenic energy storage system comprising: a source of cryogen; a cryogen storage facility (370); means for expanding the cryogen; a turbine (320) capable of being driven by the expanding cryogen; and means (340, 350) for recovering cold energy released during expansion of the cryogen.

Abstract: A kind of big blast air cannon exhaust system is published in the invention. The system can joint air cannon pressure tank, other gas container or high pressure transport system through several connection types such as flange connection, weld connection, bolt connection and so on. The big blast air cannon exhaust system in the invention has merits as follows: simple production process, low cost and energy consumption, reliable performance and high impulse force. The stated big blast air cannon exhaust system can be applied for restoring flow of materials that are arching, bridging, rat-holing and clinging in storage bins, bunkers and transport pipes, making materials in containers or pipes flow freely and getting production process continuity. The air cannon can be used in the field of mine and metallurgy industry, building materials industry, chemical industry, mechanical and electrical industry, grain transportation, medicine manufacture, docks and so on.