Abstract: A molecular sieve of MFI structure has a ratio of n(SiO2)/n(Al2O3) of more than 15 and less than 70. It has a content of phosphorus of 1-15 wt %, calculated as P2O5 and based on the dry weight of the molecular sieve and a content of the supported metal in the molecular sieve 1-10 wt % based on the oxide of the supported metal and the dry weight of the molecular sieve. The supported metal is one or two selected from lanthanum and cerium. The volume of mesopores in the molecular sieve represents 40-70% by volume of the total pore volume of the molecular sieve by volume, measured by a nitrogen adsorption BET specific surface area method, and the volume of mesopores means the pore volume of the pores having a diameter of more than 2 nm and less than 100 nm.

Abstract: A rare earth- and phosphorus-containing molecular sieve of MFI structure rich in mesopores has a ratio of n(SiO2)/n(Al2O3) of more than 15 and less than 70. The molecular sieve has a content of phosphorus of 1-15 wt %, calculated as P2O5 and based on the dry weight of the molecular sieve. The content of the supported metal in the molecular sieve is 1-10 wt % supported metal M1 and 0.1-5 wt % supported metal M2 based on the oxide of the supported metal and the dry weight of the molecular sieve. The supported metal M1 is one or two selected from lanthanum and cerium, and the supported metal M2 is one selected from iron, cobalt, nickel, copper, manganese, zinc, tin, bismuth and gallium; the volume of mesopores in the molecular sieve represents 40-70% by volume of the total pore volume of the molecular sieve by volume.

Abstract: Provided are a powder coating material for household appliance coiled material and a preparation method thereof. The powder coating material comprises: a polyester resin, a curing agent, a silicate, a filler, a pigment, and an auxiliary agent. The powder coating material for the household appliance coiled material not only can meet the requirements of coating processes of the coiled material, but also has excellent performances such as flexibility, T-bend performance, impact resistance and solvent resistance, while satisfying the requirement for the thick coatings of the household appliance coiled material.

Abstract: The present disclosure relates to a rotary vane vacuum pump 300 (300?) comprising a gas ballast assembly 330. The gas ballast assembly 330 comprises a gas ballast passage fluidly connected to a stator chamber 212 of the pump 300, a gas ballast valve 334 configured to selectively open and close the gas ballast passage depending on the relative gas pressure across the valve 334, and a gas ballast buffer chamber 360 fluidly connected to the gas ballast passage upstream of the gas ballast valve 343, which is in selective fluid communication with the exterior of the pump 300 (300?). The present disclosure also provides a related method of communicating ballast gas to a rotary vane vacuum pump 300 (300?).

Abstract: A potential energy surface scanning method and system for the analysis of molecular conformational space includes: judge whether the molecule has adjacent dihedral angles. If there are adjacent dihedral angles, judge whether the adjacent dihedral angles are coupled by QM calculations. If they are judged not to be coupled, then perform one-dimensional potential energy scanning. If judged to be coupled, then perform MM coupling judgment. If the MM calculations determine that the adjacent dihedral angles are not coupled, a one-dimensional potential energy surface scan is performed. If the MM calculation judges that the adjacent dihedral angles are coupled, calculate the coverage of the extreme points on the two-dimensional potential energy surface by the combination of extreme points obtained by scanning the individual one-dimensional potential energy surfaces of the two dihedral angles according to the MM scanning result. If the coverage is good, then perform one-dimensional potential energy surface scanning.

Abstract: The present disclosure relates to a two-stage rotary vane vacuum pump casing 200 that comprises an exterior surface 202 and a first plurality of cooling fins 204 (214) protruding from the exterior surface 202, wherein each cooling fin 204 (214) extends along the exterior surface 202 between a first and second cooling fin end 201a, 201b, and is a non-planar element that forms an at least partially enclosed cooling channel 206 (216) between the first and second ends 201a, 201b of the cooling fin 204 (214b). The present disclosure also provides a method of making a two-stage rotary vane vacuum pump casing 200 using extrusion and providing a removable end plate for a two-stage rotary vane vacuum pump casing 200.

Abstract: A potential energy surface scanning method and system for the analysis of molecular conformational space includes: judge whether the molecule has adjacent dihedral angles. If there are adjacent dihedral angles, judge whether the adjacent dihedral angles are coupled by QM calculations. If they are judged not to be coupled, then perform one-dimensional potential energy scanning. If judged to be coupled, then perform MM coupling judgment. If the MM calculations determine that the adjacent dihedral angles are not coupled, a one-dimensional potential energy surface scan is performed. If the MM calculation judges that the adjacent dihedral angles are coupled, calculate the coverage of the extreme points on the two-dimensional potential energy surface by the combination of extreme points obtained by scanning the individual one-dimensional potential energy surfaces of the two dihedral angles according to the MM scanning result. If the coverage is good, then perform one-dimensional potential energy surface scanning.

Abstract: Disclosed are a method and system of magnetotelluric synchronous detection and real-time inversion. The system includes a detection and inversion host (M) with wireless networking function and N2-1 detection and inversion extensions (Si) with wireless communication functions. The distance between each two detection and inversion extensions (Si) is D, i=1, 2, . . . , N2-1, and N is an odd number. The detection and inversion host is configured for collecting magnetic field signals and electric field signals at measurement points, wireless networking and cooperation, synchronous detection and real-time inversion control of the detection and inversion extensions (Si) in detection area. The detection and inversion extensions (Si) are configured for synchronous collection of electric field signals at measurement points and real-time inversion of detection data at measurement points under cooperative control of the detection and inversion host.

Abstract: The invention disclosed an intelligent dehumidification device for a hot air circulation baking system, which internally includes a compressor, a condenser, a throttle valve, an evaporator, a total heat exchanger, a controller, a heat dissipation fan, a liquid level sensor, a temperature and humidity sensor, an axial flow fan, a drain solenoid valve, a condensate collecting box and a temperature sensor and externally includes a dehumidification air inlet, a dehumidification air outlet, a fresh air inlet, a heat dissipation air outlet and a condensate discharge port.

Abstract: The invention disclosed an intelligent dehumidification device for a hot air circulation baking system, which internally includes a compressor, a condenser, a throttle valve, an evaporator, a total heat exchanger, a controller, a heat dissipation fan, a liquid level sensor, a temperature and humidity sensor, an axial flow fan, a drain solenoid valve, a condensate collecting box and a temperature sensor and externally includes a dehumidification air inlet, a dehumidification air outlet, a fresh air inlet, a heat dissipation air outlet and a condensate discharge port.

Abstract: Disclosed are a method and system of magnetotelluric synchronous detection and real-time inversion. The system includes a detection and inversion host (M) with wireless networking function and N2-1 detection and inversion extensions (Si) with wireless communication functions. The distance between each two detection and inversion extensions (Si) is D, i=1, 2, . . . , N2-1, and N is an odd number. The detection and inversion host is configured for collecting magnetic field signals and electric field signals at measurement points, wireless networking and cooperation, synchronous detection and real-time inversion control of the detection and inversion extensions (Si) in detection area. The detection and inversion extensions (Si) are configured for synchronous collection of electric field signals at measurement points and real-time inversion of detection data at measurement points under cooperative control of the detection and inversion host.

Abstract: Systems and methods of accessing a control system are provided. Some methods can include a mobile device transmitting a wireless entry request signal to a tag device, the wireless entry request signal including a mobile device identifier and a system identifier, upon receipt of the wireless entry request signal, the tag device comparing the mobile device identifier and the system identifier with a list of authorized identifiers, when the tag device determines that both the mobile device identifier and the system identifier match an entry in the list of authorized identifiers, the tag device transmitting a data file to the mobile device, the data file containing a door identifier of a door, and the mobile device transmitting an access request signal to a controller for use by the controller in unlocking the door, the access request signal including the mobile device identifier, the door identifier, and the system identifier.

Abstract: Systems and methods of securing access control systems are provided. Some methods can include sensing an authorized access card, sensing a directional movement of the access card, determining whether the directional movement of the access card is consistent with authorized movement of the access card, and based on the determination, allowing or denying access to a secured area. In this manner, even if an access card is obtained by an unauthorized user, the unauthorized user will not be able to gain access to a secured region because he will not know the direction to move the access card when presenting the card to a reader.

Abstract: Systems and methods of securing access control systems are provided. Some methods can include sensing an authorized access card, sensing a directional movement of the access card, determining whether the directional movement of the access card is consistent with authorized movement of the access card, and based on the determination, allowing or denying access to a secured area. In this manner, even if an access card is obtained by an unauthorized user, the unauthorized user will not be able to gain access to a secured region because he will not know the direction to move the access card when presenting the card to a reader.

Abstract: Systems and methods of accessing a control system are provided. Some methods can include a mobile device transmitting a wireless entry request signal to a tag device, the wireless entry request signal including a mobile device identifier and a system identifier, upon receipt of the wireless entry request signal, the tag device comparing the mobile device identifier and the system identifier with a list of authorized identifiers, when the tag device determines that both the mobile device identifier and the system identifier match an entry in the list of authorized identifiers, the tag device transmitting a data file to the mobile device, the data file containing a door identifier of a door, and the mobile device transmitting an access request signal to a controller for use by the controller in unlocking the door, the access request signal including the mobile device identifier, the door identifier, and the system identifier.

Abstract: An apparatus is provided that includes an access door of a secured area, a lock that controls access into the secured area through the door, a controller coupled to the lock, and a portable wireless device proximate the door, wherein the portable wireless device wirelessly retrieves an identifier from the door and wirelessly transfers the identifier of the door and a personal identifier of a person carrying the portable wireless device to the controller, and wherein the controller compares the received personal identifier with a list of identifiers of persons authorized to enter the secured area, determines that the received personal identifier matches an identifier of the list of identifiers, and activates the lock, thereby allowing physical entry by the person into the secured area.

Abstract: An apparatus including an access door of a secured area, a lock that controls access into the secured area through the door, a controller coupled to the lock, a portable wireless device proximate the door, the portable wireless device wirelessly retrieves an identifier from the door, wirelessly transfers the identifier of the door and a personal identifier of a person carrying the portable wireless device to the controller, the controller compares the received personal identifier with a list of identifiers of persons authorized to enter the secured area, determines that the received personal identifier matches an identifier of the list of identifiers and activates the lock allowing physical entry by the person into the secured area.