Abstract: Systems, methods, and apparatus are provided for monitoring and improving air quality in single- and multi-zone indoor spaces. The system for monitoring and improving air quality includes a built structure that includes an indoor space with environmentally-controllable zones, an environmental control system, sensor arrays positioned within the environmentally-controllable zones, and a control circuit configured to monitor air and remediate air within the indoor space. Multiple zones in the indoor space may be bundled together in multiple remediation bundled-areas for remediation by separate air handling systems and/or processes. Additionally, multiple zones may be delineated within the indoor space for sensor installation processes.

Abstract: The present invention discloses a method and device for quick segmentation of an optical coherence tomography image, a computing device, and a computer readable storage medium. The method includes: extracting a feature value related to a pixel in the optical coherence tomography image from the pixel to obtain a feature value representative of the pixel feature, the feature value including at least one of an intensity gradient value of the pixel, an intensity multi-scale mean value of the pixel, and an angular feature value extracted from the pixel; inputting the feature value into a Sparse Bayesian Classification model containing values related to image features corresponding to a border, to obtain a probability that the image feature belongs to features of various image region borders; and obtaining borders of various image regions contained in a predefined image region based on the probabilities obtained for various pixels in the predefined image region.

Abstract: The present application discloses an exhaust gas after-treatment mixing device including a casing, a mixing pipe and a partition plate fixed on a periphery of the mixing pipe. The partition plate includes a first plate on one side of the mixing pipe, a second plate on the other side of the mixing pipe and a third plate connecting the first plate and the second plate. The mixing pipe includes a first pipe portion and a second pipe portion. The first pipe portion is provided with at least two first openings located on two sides thereof, respectively. The exhaust gas after-treatment mixing device includes a first shielding plate and a second shielding plate shielding front ends of the first openings, respectively, so that most of exhaust gas needs to flow bypass the first shielding plate and the second shielding plate before entering the first openings.

Abstract: Provided is a method for producing organic molecules having at least two carbon atoms chained together by the reaction of a hydrogen-containing source, a carbon-containing source and an optional nitrogen-containing source in the presence of a nanostructure or nanostructures, wherein the reaction is initiated by heat.

Abstract: A smoke detector comprising a body, having a detection chamber therein; a first transmitting tube and a second transmitting tube, arranged in the body and configured to be capable of transmitting a first ray of light and a second ray of light into the detection chamber, respectively; a receiving tube, where the first ray of light and the second ray of light can be incident after refraction and/or scattering, and which generates outputs according to the intensity of incident light; and a control device, coupled with the receiving tube to receive a first output generated by the first ray of light on the receiving tube and a second output generated by the second ray of light on the receiving tube, and configured to determine whether there is a fire based on a difference or ratio between the first output and the second output, or the combination thereof.

Abstract: The present application discloses an exhaust after-treatment mixing device including a housing and a mixing assembly located within the housing. The mixing assembly includes a first space, a second space and a third space. A top portion of the first space and a top portion of the second space are both in communication with the third space. The mixing assembly is provided with a first raised portion protruding upwardly into the third space and a second raised portion located below the first raised portion. A fourth space is formed between the first raised portion and the second raised portion. As a result, the distance and time for urea evaporation are increased and the uniformity of gas flow mixing is also improved.

Abstract: A rack server noise monitoring method and system. The system includes a sound pressure obtaining device, which includes a semi-anechoic room with a 4U jig at the center thereof and microphones over the 4U jig, and a noise monitoring device which includes a server rack and a rack server management module RMC. The microphone is configured to measure sound pressure values of the 4U jig controlled by PWM input signals with different duty ratios. Node middle boards are provided in the server rack, each of which is connected to a fan control panel, the fan control panel is connected to a fan unit, the fan unit includes fans, and each node middle board is connected to the RMC. The RMC obtains a real-time duty ratio of a PWM input signal for the fan, and calculates a real-time sound pressure value based on the duty ratio of the PWM input signal.

Abstract: An electronic storage system and a method of data management includes the steps of: partitioning source data into a plurality of portions of data; storing each of the plurality of portions of data in each of a plurality of storage peers respectively; and storing a plurality of indices in a plurality of storage peers; wherein each of the plurality of indices corresponds to each respective portion of partitioned data; and wherein each of the plurality of storage peers is arranged to store the plurality of indices and the plurality of portions of data in corresponding pairs.

Abstract: Disclosed is a low power consumption switching circuit with voltage isolation function for a PMOS transistor bulk, including a bulk voltage switching control unit, a bulk voltage switching unit, a first voltage input terminal, a second voltage input terminal, and a bulk voltage output terminal. The bulk voltage switching control unit includes a plurality of PMOS transistors and weak pull-down devices, and is configured to generate a control signal to control the bulk voltage switching unit to make the bulk voltage output terminal to be connected to a higher potential between the first voltage input terminal and the second voltage input terminal. The bulk voltage switching unit includes a plurality of PMOS transistors, and is configured to connect bulks of the PMOS transistors to the higher potential between the first voltage input terminal and the second voltage input terminal. Each of the PMOS transistors is a low-withstand-voltage device.

Abstract: A distributed computing framework and a distributed computing method are provided. A specific embodiment of the distributed computing framework includes: a parsing unit, configured to parse an expression of a distributed computing task, and determine an operator and a field corresponding to the operator; and an operator unit, configured to provide the operator, input parameters of the operator including: the field and a field-type distributed dataset. The type of parameters received and returned by any operator may be the field-type distributed dataset, and any operator may operate on the data corresponding to the field in the field-type distributed dataset. Therefore, any operator needs to be implemented once to realize the reuse of the operator. The distributed computing task is expressed in a simple expression, which simplifies the complexity of writing a distributed computing program with the distributed computing framework used by the user.

Abstract: The present invention provides a start control system of a vehicle, including: an electronic control unit (ECU), a starter, an air conditioner, and a starting power supply. The starting power supply includes a starting battery and a battery management system (BMS). At a low-temperature environment, when receiving an ignition request signal sent by the ECU, the BMS detects the temperature of the starting battery. When the temperature is less than a preset threshold, the starting battery is connected to the air conditioner for a preset time, so that the starting battery effectively raises the temperature of the starting battery by means of discharging at a high current temporarily. The start control system of a vehicle improves an ignition capability of a vehicle in a low-temperature environment, extends a temperature range and an area of using the vehicle, and improves competitiveness of the vehicle. The present invention further provides a vehicle having the start control system of a vehicle.

Abstract: A computer-implemented method, and a related system, for facilitating stateful processing of a middlebox module implemented in a trusted execution environment. The method includes: determining, based on an identifier, from a lookup module in the trusted execution environment, whether a lookup entry of a flow and corresponding to the identifier exists. The method also includes determining, based on the lookup entry, whether an entry associated with the flow is arranged inside the trusted execution environment or outside the trusted execution environment, if it is determined that the lookup entry corresponding to the identifier exists. The method further includes caching, in a cache in the trusted execution environment, the entry associated with the flow and corresponding to the identifier, if it is determined that the entry associated with the flow is outside the trusted execution environment. The flow state associated with the flow may then be provided to the middlebox module.

Abstract: A computer-implemented method, and a related system, for facilitating data communication of a trusted execution environment. The method includes: processing a plurality of data packets to form a data stream including the plurality of data packets. Each data packet includes respective metadata. The data stream is a single continuous data stream in application-layer such that a boundary between two adjacent packets are not easily identifiable. The method also includes transmitting the data stream to or from a network interface module for the trusted execution environment.

Abstract: The present invention discloses a method and device for quick segmentation of an optical coherence tomography image, a computing device, and a computer readable storage medium. The method includes: extracting a feature value related to a pixel in the optical coherence tomography image from the pixel to obtain a feature value representative of the pixel feature, the feature value including at least one of an intensity gradient value of the pixel, an intensity multi-scale mean value of the pixel, and an angular feature value extracted from the pixel; inputting the feature value into a Sparse Bayesian Classification model containing values related to image features corresponding to a border, to obtain a probability that the image feature belongs to features of various image region borders; and obtaining borders of various image regions contained in a predefined image region based on the probabilities obtained for various pixels in the predefined image region.

Abstract: Features for rechargeable lithium ion batteries, the batteries optionally employing vertically aligned carbon nanotube scaffolding, are described. Methods of manufacture and a solid polymer electrolyte are described for 3-dimensional battery architectures using the vertically aligned carbon nanotubes. Poly(ethylene)oxide bis(azide) and graphene poly(lactic acid) composite coatings are also described for use in such batteries or others.

Abstract: A supported catalyst used for synthesizing a polyether amine, and a manufacturing method of the catalyst. The catalyst comprises: a porous oxide as a support; Ni, Cu, Pd, and Rh as active components; and one or more of any of Zr, Cr, Mo, Fe, Zn, Sn, Bi, Ce, La, Hf, Sr, Sb, Mg, Be, Re, Ta, Ti, Sc, Ge and related metals as an auxiliary agent. The catalyst can be used in an amination reaction for a large molecular weight polyether polyol, and is particularly active and selective for an amination reaction of a low molecular weight polyether polyol. The catalyst has a simple and economic manufacturing technique and good potential for future applications.

Abstract: An ultra-thin drug pump may include a micro-body including a drug chamber, an intermediate outlet formed on one upper side, and an aperture formed on the other upper side; a first membrane covering the aperture; a second membrane covering the intermediate outlet and including a drug outlet formed at a position spaced apart from the intermediate outlet; and a magnetic driving part formed on the first membrane to face the drug chamber, and can release a predetermined amount of the drug by an external magnetic field.

Abstract: Disclosed in the present invention are a salt type and crystal type of 4H-pyrazolo[1, 5-alpha]benzimidazole compound and the preparation method and intermediate thereof. The 4H-pyrazolo[1,5-alpha]benzimidazole compound has the structure of Compound 2.

Abstract: A plasmonic nanoparticle catalyst for producing hydrocarbon molecules by light irradiation, which comprises at least one plasmonic provider and at least one catalytic property provider, wherein the plasmonic provider and the catalytic property provider are in contact with each other or have distance less than 200 nm, and molecular composition of the hydrocarbon molecules produced by light irradiation is temperature-dependent. And a method for producing hydrocarbon molecules by light irradiation utilizing the plasmonic nanoparticle catalyst.