Abstract: The application relates to a polymerization vessel and a method for manufacturing the same. An interior surface of the polymerization vessel has a specific structure, so that the polymerization vessel has better heat transfer efficiency. Closed cooling channels are constructed from the specific structure, and therefore cooling fluid flows in the closed cooling channels. Furthermore, there won't be any by-pass defects in the cooling channels of the polymerization vessel, thereby improving cooling efficiency of the cooling fluid.

Abstract: The present invention relates to silicon-based powders and a method for producing the silicon-based powders. The method for producing the silicon-based powders includes a hydrolysis step of a silicon precursor having an alkoxy group, a condensation step and a drying step. By a specific weight ratio of water to the silicon precursor having the alkoxy group and a silicon precursor having a secondary amino group and an alkyl group, in the method for producing the silicon-based powders, the condensation step can be performed without organic solvents, and a modification on silicon-based gels can be performed to enhance a safety of processes and a hydrophobicity of the resulted silicon-based powders, and decrease a thermal conductivity and a bulk density of the resulted silicon-based powders.

Abstract: The present invention relates to a fiber composite material and a method for producing the fiber composite material. The method for producing the fiber composite material includes a hydrolysis step of a silicon precursor having an alkoxy group, an in-situ condensation step and a drying step. A specific silicon precursor having a secondary amino group and alkyl groups is used therein, as well as a specific weight ratio of the silicon precursor to a fiber material, the in-situ condensation step can be performed in the absence of organic solvents in the method for producing the fiber composite material, and a hydrophobic modification on silicon-based gels can be performed, thereby simplifying the process, decreasing a thermal conductivity of the resulted fiber composite material and preventing drop dust of the resulted fiber composite material.

Abstract: A regeneration method of a nitrogen-containing carbon catalyst includes the following steps: roasting the nitrogen-containing carbon catalyst in a nitrogen-containing atmosphere to obtain a regenerated nitrogen-containing carbon catalyst. The method is a universal method, which is suitable for nitrogen-doped carbon catalysts and can be used to regenerate a nitrogen-containing carbon catalyst for producing vinyl chloride (VC) through 1,2-dichloroethane cracking. The method can greatly reduce the production cost of the catalyst and increase the service life of the catalyst, and a regeneration process thereof is fast, simple, and controllable, and does not require high temperatures.

Abstract: A fuel economizer for an internal combustion engine includes a computer assembly, a battery, an operation setting system, a lead sensing fan, and an air intake fan motor. The lead sensing fan is mounted on the front of the traffic vehicle. The air intake fan motor is connected to an air inlet port of the internal combustion engine. The lead sensing fan is rotated during movement of the traffic vehicle. When the rotation speed of the lead sensing fan reaches a preset value, the lead sensing fan transmits a signal to the computer assembly which regulates the rotation speed of the air intake fan motor according to a speed grade preset by the operation setting system so as to control the air flow rate of the air inlet port of the internal combustion engine.

Abstract: A fuel economizer for an internal combustion engine includes a computer assembly, a battery, an operation setting system, a lead sensing fan, and an air intake fan motor. The lead sensing fan is mounted on the front of the traffic vehicle. The air intake fan motor is connected to an air inlet port of the internal combustion engine. The lead sensing fan is rotated during movement of the traffic vehicle. When the rotation speed of the lead sensing fan reaches a preset value, the lead sensing fan transmits a signal to the computer assembly which regulates the rotation speed of the air intake fan motor according to a speed grade preset by the operation setting system so as to control the air flow rate of the air inlet port of the internal combustion engine.

Abstract: A person re-identification method, a person re-identification system and an image screening method are provided. The person re-identification method includes the following steps. A plurality of identified images of an identified person are analyzed to obtain an interrelated array, which records a plurality of degrees of association among the identified images. The interrelated array is converted to a directed graph having at least one connected group. A representative path of each connected group is obtained. According to each representative path, a part of the identified images are outputted as at least one representative image set for performing a person re-identification process on an image to be identified.

Abstract: A person re-identification method, a person re-identification system and an image screening method are provided. The person re-identification method includes the following steps. A plurality of identified images of an identified person are analyzed to obtain an interrelated array, which records a plurality of degrees of association among the identified images. The interrelated array is converted to a directed graph having at least one connected group. A representative path of each connected group is obtained. According to each representative path, a part of the identified images are outputted as at least one representative image set for performing a person re-identification process on an image to be identified.

Abstract: An energy saving device includes a control box, a battery, an operation setting system, a car speed sensor assembly, and an air intake fan motor. Thus, the IC chip of the car speed sensor assembly identifies the car speed information detected by the five car speed sensors of the car speed sensor assembly, and transmits the car speed information to the IC circuit board of the control box, and the IC circuit board controls and regulates the rotation speed of the air intake fan motor according to the grades of the car speed preset by the operation setting system, such that the rotation speed of the air intake fan motor increases the air flow rate by a grade when the car speed is increased by a predetermined constant value.

Abstract: An energy saving device includes a control box, a battery, an operation setting system, a car speed sensor assembly, and an air intake fan motor. Thus, the IC chip of the car speed sensor assembly identifies the car speed information detected by the five car speed sensors of the car speed sensor assembly, and transmits the car speed information to the IC circuit board of the control box, and the IC circuit board controls and regulates the rotation speed of the air intake fan motor according to the grades of the car speed preset by the operation setting system, such that the rotation speed of the air intake fan motor increases the air flow rate by a grade when the car speed is increased by a predetermined constant value.

Abstract: A multipath switching system comprising of an adjustable phase shift array includes, an adjustable phase shift array module and a control module. The adjustable phase shift array module receives a radio-frequency (RF) signal, and includes at least one RF switch, at least one coupler and at least one phase shifter. The at least one RF switch, the at least one coupler and the at least one phase shifter form a number of transmission paths. The transmission paths respectively produce the processed transmission RF signals corresponding to different phase shifts to an antenna array. The control module controls the at least one RF switch and the at least one phase shifter of the adjustable phase shift array module, so that the antenna array radiates a wireless signal whose direction is corresponding to a predetermined angle in space polar coordinates.

Abstract: A fuel-saving and energy-saving car controller includes a power supercharge control box (51) electrically connected with a direct-current brushless motor (41) of a power supercharger (40). The power supercharge control box includes a communication module which reads data in the on-board diagnostics (8) and the car computer (7) so as to detect a rotation speed of the engine (20). Thus, the communication module transmits a signal to the single-chip control circuit (1) which drives the motor actuating circuit (42) which controls the direct-current brushless motor to regulate a rotation speed of the air inlet fan (44).

Abstract: According to one embodiment of a method for interference suppression in radio-over-fiber communication systems, the method uses a mode selection module to continuously update real time information of at least two mobile stations and determine to enter a cross mode or a single mode. In the single mode, when a mobile station approaches a switching point, a single mode command is issued to control at least one first specific remote antenna unit (RAU). In the cross mode, when an immediate cross condition is a new cross condition, a new cross mode table is generated, and when the position of any one mobile station of the at least two mobile stations cross a threshold, a cross mode command is issued to control at least one second specific RAU according to a corresponding cross mode table.

Abstract: An electronic car supercharger includes a housing, an air inlet pipe connected with the housing and an engine chamber, a filtering net connected with the housing, a motor cabinet mounted in the housing, a brushless motor mounted on the motor cabinet, an air inlet fan connected with the brushless motor, a circuit board electrically connected with the brushless motor, a battery electrically connected with the circuit board, and a control switch electrically connected with the circuit board and an accelerator pedal. Thus, when the accelerator pedal is released from a driver's foot, the control switch is detached from the accelerator pedal, and the brushless motor stops operating by control of the control switch to stop operation of the air inlet fan to prevent the air inlet fan from producing noise under the idling operation of the car engine.

Abstract: A marketing method for combining a plurality of marketing information and a cloud system including a display device, a network server and a mobile device is disclosed. The marketing method includes obtaining a recognition information corresponding to at least a marketing information to process a video information to be a processed video information, installing an application software in the mobile device, displaying the processed video information on the display device, utilizing the application software and a detection module of the mobile device to obtain the recognition information while displaying the processed video information, and utilizing the network server to obtain a search result corresponding to the marketing information according to the recognition information.

Abstract: A multipath switching system comprising of an adjustable phase shift array includes, an adjustable phase shift array module and a control module. The adjustable phase shift array module receives a radio-frequency (RF) signal, and includes at least one RF switch, at least one coupler and at least one phase shifter. The at least one RF switch, the at least one coupler and the at least one phase shifter form a number of transmission paths. The transmission paths respectively produce the processed transmission RF signals corresponding to different phase shifts to an antenna array. The control module controls the at least one RF switch and the at least one phase shifter of the adjustable phase shift array module, so that the antenna array radiates a wireless signal whose direction is corresponding to a predetermined angle in space polar coordinates.

Abstract: The present invention relates to an adaptive automatic repeat-request apparatus and method for an MIMO system including a transmitter and a receiver. The apparatus comprises an adaptive retransmission component located at the transmitter. The adaptive retransmission component uses a special frame structure that divides the transmission data in a frame into several sections according to the number of transmission antennas, and adds an individual error detecting code within each section. The transmission data are sent to the receiver through the several antennas. The receiver responds to the adaptive retransmission component with feedback information of an acknowledgement or negative acknowledgement signal, and detected signal strength of data for each transmission antenna. After receiving the signal strength of transmission data, the retransmission signal vector for error data is determined.

Abstract: A foldable bicycle with a large wheel and a small wheel contains an upper rod including one end connected with a side of a supporting post and another end coupled with a first tubular member, the first tubular member including a through hole; an axial shaft inserted into the through hole of the first tubular member of the upper rod and rotating in the through hole; the axial shaft also inserted into an orifice of a second tubular member of a lower rod and rotating in the orifice; wherein the axial shaft includes a bracket extending downward therefrom; the small wheel is axially disposed on a distal end of the bracket, and the large wheel is axially disposed on a distal end of a rear support; when the axial shaft rotates 180 degrees rearward, the small wheel is moved to be close to the large wheel.

Abstract: The present invention relates to an adaptive automatic repeat-request apparatus and method for an MIMO system including a transmitter and a receiver. The apparatus comprises an adaptive retransmission component located at the transmitter. The adaptive retransmission component uses a special frame structure that divides the transmission data in a frame into several sections according to the number of transmission antenna, and adds an individual error detecting code within each section. The transmission data are sent to the receiver through the several antennas. The receiver responds to the adaptive retransmission component feedback information of an acknowledgement or negative acknowledgement signal, and detected signal strength of data for each transmission antenna. After the receiving of the signal strength of transmission data, the retransmission signal vector for error data is determined.