Abstract: The present invention provides a method for extracting polyhydroxyalkanoates (PHAs), which comprises a pre-process step and an extraction step: removing water from waste sludge containing microorganisms in the pre-process step so that the waste sludge containing microorganisms has a water content of less than 40%; and applying a high-voltage pulsed electric field to the waste sludge during the extraction step to destroy the microorganisms and release the PHAs, wherein the high-voltage pulsed electric field is between 50 volts and 400 volts, an application time of the high-voltage pulsed electric field is between 5 seconds and 90 seconds, and an application frequency of the high-voltage pulsed electric field is between 500 Hz and 1000 Hz, thereby extracting the PHAs in the case of few chemicals.

Abstract: An air exchanging device according to the invention is mounted to a wall. An inner side of the wall is the indoor space, and an outer side of the wall is the outdoor space. The wall has an installation hole. The air exchanging device includes a housing, a first fan unit and a second fan unit. The housing has a compartment. The housing has a first through-hole, a second through-hole and a third through-hole. The first fan unit is received in the compartment and includes a first air inlet intercommunicating with the second through-hole, and a first air outlet intercommunicating with the first through-hole. The second fan unit is received in the compartment. The second fan unit includes a second air inlet intercommunicating with the third through-hole, and a second air outlet intercommunicating with the second through-hole.

Abstract: The present invention provides an ultrasound imaging method, comprising: selecting an initial ultrasound image frame; marking a plurality of marking points on the initial ultrasound image frame; tracking updated positions of the marking points in subsequent ultrasound image frames; displaying updated marking points at the updated positions.

Abstract: A voltage balance control method applicable to a three-phase DC-AC inverter is provided, the voltage balance control method including: multiplying, by a first multiplier, an actual value of a line capacitance voltage by a sine function to generate a first voltage; capturing, by a first filter, a DC part of the first voltage to generate an error DC component; subtracting, by a first subtractor, the error DC component from a target voltage amplitude to generate a second voltage; adjusting, by a first proportional-integral controller, the second voltage to generate an amplitude error compensation value; and adding, by an adder, the amplitude error compensation value with the target voltage amplitude to generate an amplitude reference value. A voltage balance control device applicable to a three-phase DC-AC inverter is also provided.

Abstract: Embodiments of active noise control (ANC) headphones and operating methods thereof are disclosed herein. In one example, a headphone for ANC includes a speaker, a microphone, an echo-cancel module, and an ANC module. The speaker is configured to play an audio based on a first audio source signal. The microphone is configured to obtain a mixed audio signal including a noise signal and a second audio source signal based on the audio played by the speaker. The echo-cancel module is configured to reduce the second audio source signal from the mixed audio signal based on the first audio source signal to generate an echo-cancel audio signal. The ANC module is operatively coupled to the echo-cancel module and configure to generate a noise-controlled audio source signal to be played by the speaker based on the echo-cancel audio signal and the first audio source signal.

Abstract: The present invention is directed to compositions useful in assembling vesicles. The composition comprises a first block copolymer; a plurality of first inorganic nanoparticles; a second block copolymer; and a plurality of second inorganic nanoparticles or a plurality of small molecules. The composition is characterized by the ability to self-assemble into a vesicle. Also provided is a method of making a composition for delivery of a therapeutic agent and a method of using the vesicles as imaging agents.

Abstract: A method for driving a display panel and a display panel thereof. Method comprises: A driving circuit regulates electrical levels of the driving signals in a driving cycle transmitting to a first/second/third charging control unit corresponding to a first/second/third color sub-pixel unit respectively. Therefore, the first color sub-pixel unit is charged via a first thin-film-transistor of the first charging control unit by charging data, the second color sub-pixel unit is charged via a first thin-film-transistor and a second thin-film-transistor of the second charging control unit by said charging data, and the third color sub-pixel unit is charged via a first thin-film-transistor of the third charging control unit by charging data. Therefore, electrical level switching of driving signals by driver circuit is reduced resulting reduced power consumption of driving display panel.

Abstract: An elevator traction system and an elevator system. The elevator traction system includes: a car side wheel train; a transition wheel train; a counter-weight side wheel train; and a rope including a first end and a second end that are fixed to the top of a hoistway, the rope passing through the car side wheel train, the transition wheel train, and the counter-weight side wheel train sequentially, the car side wheel train including a first sheave and a third sheave that are fixed to the top of a car and a second sheave that is fixed to the top of the hoistway, wherein the first sheave and the third sheave are arranged to be parallel to each other and perpendicular to the second sheave. The elevator traction system and the elevator system according to embodiments of the present invention have a compact layout and a high hoistway utilization rate.

Abstract: A method and a device for indicating a UE capability, a UE and a base station are provided. The method for indicating the UE capability for use in the UE includes steps of: receiving from a base station a request message for acquiring the UE capability; indicating a capability of an MF mode supported by the UE in UE capability information, the capability of the MF mode supported by the UE including a frequency band and/or a function feature of the MF mode supported by the UE; and transmitting the UE capability information to the base station.

Abstract: A 3D-slanted roll crusher includes a housing, a number of driving devices mounted to the housing, a base mounted to an end of the housing away from the driving devices, a number of groups of grinders, a number of grinding teeth mounted on each of the grinders, and a number of material obstructing bodies mounted on an inner wall of the housing. The grinders correspond to the driving members one-to-one. Each grinder is connected to the base and the corresponding driving device. The grinders are spaced equally apart within the housing around a central axis of the housing and slantedly mounted on the base facing the driving devices.

Abstract: A battery case for a robot has a housing and an end cap. The housing defines a chamber for receiving a battery therein. The chamber has an open end. The end cap includes a cap that is used to cover the open end, a rotatable post rotatably passing through the cap and extending into the chamber, an elastic member arranged around the rotatable post and comprising an end abutting against the cap, and a locking member connected to the rotatable post and rotatable together with the rotatable post to a position where the locking member is engaged with the housing, thus locking the cap to the housing.

Abstract: The present invention relates to a down-blow swing practice apparatus comprising: an object to be hit-part of which a portion protrudes from a curved part formed on a part spaced at a predetermined distance in the proceeding direction of a golf ball from the position, at which the golf ball is put, on the upper surface of an artificial turf mat and protrudes upwards from the artificial turf mat in correspondence to the strength of the force applied through a leading edge of a golf club head only when a person who is practicing takes a desirable down-blow swing; and a returning part formed in the direction opposite to the object to be hit-part so as to return the state of the object to be hit-part into the state before swing practice, wherein the object to be hit-part protrudes only when the person who is practicing takes an accurate down-blow swing, and thus the person who is practicing can practice the accurate down-blow swing.

Abstract: Provided are a method and a device for transmitting an uplink reference signal in a wireless communication system. More particularly, a terminal transmits downlink channel information and information about a downlink subband selected on the basis of the downlink channel information. And the terminal receives first resource allocation information indicating an uplink subband mapped to the downlink subband. And the terminal transmits an uplink reference signal by means of the uplink subband.

Abstract: This disclosure provides a method and device for controlling network access. According to the method, an aggregation switch may configure thereon an ACL rule comprising a first network segment and a second network segment, wherein the first network segment and the second network segment correspond to a same user group or different user groups, or the first network segment corresponds to a user group and the second network segment corresponds to a resource group. The aggregation switch may, after receiving a user packet from an access switch, match a source IP address of the user packet with the first network segment, and a destination IP address of the user packet with the second network segment. If the source IP address of the user packet matches with the first network segment and the destination IP address of the user packet matches with the second network segment, the user packet is discarded.

Abstract: An electrocatalyst comprising (i) carbon nanospikes and (ii) copper-containing nanoparticles residing on and/or embedded between said carbon nanospikes. The carbon nanospikes are doped with a dopant selected from the group consisting of nitrogen, boron, and phosphorous. Also disclosed herein is a method of producing the eletrocatalyst and a method for converting carbon dioxide into ethanol by use of the above-described electrocatalyst.

Abstract: Among other things, the present disclosure relates to designed oligonucleotides, compositions, and methods thereof. In some embodiments, provided oligonucleotide compositions provide altered splicing of a transcript. In some embodiments, provided oligonucleotide compositions have low toxicity. In some embodiments, provided oligonucleotide compositions provide improved protein binding profiles. In some embodiments, provided oligonucleotide compositions have improved delivery. In some embodiments, provided oligonucleotide compositions have improved uptake. In some embodiments, the present disclosure provides methods for treatment of diseases using provided oligonucleotide compositions.

Abstract: Embodiments of the present disclosure provide a display driving circuit, a driving method thereof, a display driving system and a display apparatus. The display driver circuit comprises a processor, a storage and a grey scale voltage generator. The storage is configured to store at least two gamma curves, wherein each of the at least two gamma curves is associated with a range of temperature. The processor is configured to obtain a current environment temperature, to determine a range to which the current environment temperature belongs based on the current environment temperature; to retrieve the gamma curve associated with the range determined from the storage, and to output the retrieved gamma curve to the grey scale voltage generator.

Abstract: The present disclosure relates to a display control apparatus and method and a display apparatus, and belongs to the field of display technologies. The display control apparatus includes a status obtaining module configured to determine either one of a first display area and a second display area as a primary display area and determine the other one as a secondary display area in response to a preset trigger action. The display control apparatus includes a resolution adjusting module configured to adjust image data transmitted to the display apparatus to match a resolution of the primary display area. The display control apparatus includes a display control module configured to control the primary display area to display based on the image data received by the display apparatus.

Abstract: Disclosed are a hybrid electric vehicle, which is capable of controlling engine starting in consideration of entry into a specific area, and method of controlling the same. A method of controlling engine starting of a hybrid vehicle includes determining whether catalyst heating is necessary, determining whether a current location corresponds to a specific area associated with exhaust emissions, determining whether a first mode driving is possible, when it is determined that the current position corresponds to the specific area and the catalyst heating is necessary, and performing the first mode driving when the first mode driving is determined to be possible, or a second mode driving when the first mode driving is determined to be impossible. Here, the first mode driving is performed by using an electric motor, and the second mode driving is performed by using at least an engine.

Abstract: Apparatuses, systems, methods, and computer program products are disclosed for performing a group read refresh. An apparatus includes a plurality of memory groups. An apparatus includes an operation circuit that performs an operation on a selected memory group of a plurality of memory groups. An apparatus includes a remediation circuit that performs a countermeasure operation on an unselected memory group of a plurality of memory groups in response to an operation on a selected memory group.