Abstract: A X-ray chest image rib suppression method based on Poisson model. It conducts contourlet transformation on the image and utilizes transformation coefficient correlation between different scales to conduct texture enhancement on the image; it designs strip-type detection filter in accordance with the Hessian matrix eigenvalue to the image and detects the area where the rib locates in; it combines enhanced texture and rib area information, establishes and solves rib suppression Poisson model, realizing the rib suppression in the image.

Abstract: Disclosed herein relates to a self-checkout anti-theft vehicle system, comprising: a self-checkout vehicle having a plurality of sensors and components implemented thereon, the self-checkout vehicle being used by shoppers for storing selected merchandises in a retail environment; and a centralized computing device. The centralized computing device is configured to: obtain information related to each merchandise selected and placed into the self-checkout vehicle by a shopper by exchanging data with the plurality of sensors and components via a first communication network, identify each merchandise via a second, different communication network based at least upon the information obtained from the plurality of sensors and components, and process payment information of each merchandise.

Abstract: Disclosed is a system for self-checkout with anti-theft measures. The system comprises: an Electronic Article Surveillance (EAS) device configured to be affixed to a merchandise and uniquely identify the merchandise via at least one visually or wirelessly readable code; an Identification (ID) Code Reader configured to: obtain and process the at least one visually or wirelessly readable code associated with the EAS device, and extract information from one or more databases for facilitating a transaction of the merchandise; and an EAS Unlock Device configured to: detect a payment status of the merchandise indicated in the one or more databases based at least upon the at least one visually or wirelessly readable code associated with the EAS device, and in response to detecting a successful payment of the merchandise indicated in the one or more databases, detach the EAS device from the merchandise.

Abstract: The invention discloses a black Chinese wolfberry effervescent tablet and a preparation method thereof. The preparation method comprises the following steps: 1. lyophilized powder of black Chinese wolfberry extract and part of citric acid are crushed and mixed; 2. the crushed and mixed material is taken out, added with a water-soluble starch and mixed again, and the resulting mixture is prepared into a soft material by taking ethanol as a wetting agent, then prepared into granules and dried until the water content is controlled at 2.2-3.5%; and 3. the granules prepared in step 2 are mixed with an alkali source, the remaining citric acid, sucrose and an encapsulant and then pressed into effervescent tablets.

Abstract: Disclosed are a sintered Fe—Al based alloy porous material with high temperature oxidation resistance and a filter element using same. The porous material has a porosity of 30-60% and an average pore diameter of 0.5-50 ?m, and has that: a) it mainly consists of three elements of Fe, Al and Cr, and the total weight of these three elements accounts for at least 90% of the weight of the porous material, wherein the weight of Fe is 60-85% of the total weight of Fe and Al, and the weight of Cr is 10-30% of the total weight of Fe, Al and Cr; b) the Cr in the porous material mainly presents in the form of a chromium compound of a Fe—Al based compound, or mainly presents in the form of a chromium compound of the Fe—Al based compound and FeCr, and is almost uniformly dispersed in the porous material; and c) it has a tensile strength?45 MPa, an air flux?80 m3/m2·KPa·h for the sintered Fe—Al based alloy porous material with a thickness?5 mm, a weight loss rate of at most 0.

Abstract: A sintered porous material with stronger corrosion resistance comprising three elements Ti, Si and C which constitute at least 90% of the weight of the porous material, wherein the porous material has 30-60% porosity, 0.5-50 ?m average pore size, and at least 23 MPa tensile strength, wherein the porous material of 5 mm thickness under 0.05 MPa pressure has a pure water filtration flux of at least 1 t/m2·h, and a weight loss rate of no more than 1.5% after having been immersed in a 5 wt % hydrochloric acid solution at room temperature for 48 days.

Abstract: A PET industrial yarn melt direct spinning manufacturing method and a device thereof are disclosed. The device includes a polymerizer preparing base polyester melt, liquid tackifying reactors, and multi-head spinning units. The liquid tackifying reactors are connected with the polymerizer through split-flow pipelines respectively and after tackified by the tackifying reactors, the base polyester melt has its intrinsic viscosity reaching 0.90-1.10 dL/g. Each of the liquid tackifying reactors is connected with spinning units, and the spinning units are connected to the liquid tackifying reactors through melt pipelines. Each of the spinning units is provided with spinning boxes. The device solves the transportation problem of melt with high viscosity, combines both scale efficiency of the condensation production and market demand of multiple PET industrial yarns, and has the characteristic of integrating flexible production and intensive production.

Abstract: An image file conversion method includes: obtaining an original image file of a virtual machine on an original platform; detecting whether the original image file has a first file characteristic and a second file characteristic that are corresponding to a target platform, wherein the first file characteristic comprises a target driver used when the virtual machine runs on the target platform, and the second file characteristic comprises a target file format supported by the target platform; and changing, in response to detecting that the original image file does not have at least one of the first file characteristic or the second file characteristic, the original image file by calling a predetermined interface, to obtain a target image file of the virtual machine on the target platform, wherein the target image file has the first file characteristic and the second file characteristic.

Abstract: A flexible porous metal foil sheet made of a metal porous material which use a solid solution alloy, a metal element of a face-centered cubic structure or a metal element of a body-centered cubic structure as the matrix phase, wherein the thickness of the sheet is greater than 200 ?m and less than or equal to 1500 ?m, the average aperture is 0.05˜100 ?m, and the porosity is 15%˜70%. The method for making the flexible porous metal foil comprises: (1) making viscous suspension or muddy paste of raw material powder that will form the metal porous material using a dispersing agent and a binding agent; (2) injecting the suspension or paste into a mold for making membrane, and drying the suspension or paste to form a homogeneous membrane; (3) pressing the membrane to improve the stacking density of the powder particles; and (4) sintering the pressed membrane to obtain the flexible porous metal foil. The flexible porous metal foil has more uniform aperture distribution, and better flatness of the foil.

Abstract: The present disclosure provides a planar array antenna. The planar array antenna includes a plurality of phase modulation surfaces, in which each phase modulation surface includes an array including a plurality of transmission phase-shift elements; and a planar power source, configured to power the plurality of phase modulation surfaces, in which each phase modulation surface is configured to modulate a transmission phase of an electromagnetic wave based on the plurality of transmission phase-shift elements, and the plurality of phase modulation surfaces are controlled to change a relative position to change the beam angle based on the corresponding transmission phases. The planar array antenna may be installed in a conformal manner on surfaces of the mobile device, such as a vehicle, an aircraft, a ship or the like.

Abstract: A dual band communication method and a wireless local area network (WLAN) device, First determining a service type of a service in a switching period according to a preset policy, where the switching period includes one first timeslot in which a first radio frequency (RF) channel works and one adjacent second timeslot in which a second RF channel works, and determining, according to the determined service type and a preset service quality requirement corresponding to the service type, maximum duration of the switching period in which the service quality requirement is met, and when time division multiplexing (TDM) is performed on a baseband processor, controlling the switching between the first RF channel and the second RF channel according to the maximum duration, hence actual duration of the switching period is less than or equal to the maximum duration.

Abstract: Disclosed is a system for self-checkout with anti-theft measures. The system comprises: an Electronic Article Surveillance (EAS) device configured to be affixed to a merchandise and uniquely identify the merchandise via at least one visually or wirelessly readable code; an Identification (ID) Code Reader configured to: obtain and process the at least one visually or wirelessly readable code associated with the EAS device, and extract information from one or more databases for facilitating a transaction of the merchandise; and an EAS Unlock Device configured to: detect a payment status of the merchandise indicated in the one or more databases based at least upon the at least one visually or wirelessly readable code associated with the EAS device, and in response to detecting a successful payment of the merchandise indicated in the one or more databases, detach the EAS device from the merchandise.

Abstract: Embodiments of the present invention provide a dual band adaptive concurrent processing method and apparatus. In the embodiments of the present invention, by using statistical information of services at first and a second frequency bands in the Nth adjustment period, performance of the services at the frequency bands in an adjustment period may be acquired. Based on the statistical information, and a quality of service (QoS) requirement that the services at the two frequency bands need to meet, a second coefficient of proportionality between timeslots occupied by the services at the two frequency bands in the (N+1)th adjustment period may be determined, so that switching control on first and second channels may be performed in the (N+1)th adjustment period according to the determined second coefficient of proportionality.

Abstract: A X-ray chest image rib suppression method based on Poisson model. It conducts contourlet transformation on the image and utilizes transformation coefficient correlation between different scales to conduct texture enhancement on the image; it designs strip-type detection filter in accordance with the Hessian matrix eigenvalue to the image and detects the area where the rib locates in; it combines enhanced texture and rib area information, establishes and solves rib suppression Poisson model, realizing the rib suppression in the image.

Abstract: A piece of flexible porous metal foil is a sheet made of porous metal material using solid solution alloy, face-centered cubic metal simple substance or body-centered cubic metal simple substance as matrix phase. The thickness of the sheet is 5 to 200 micrometers, the average aperture thereof is 0.05 to 100 micrometers, the porosity thereof is 15-70%, and the sheet is made by sintering a homogeneous film. The preparation method for the flexible porous metal foil comprises: (1) preparing thick turbid liquid with raw material powder forming the metal porous material by using dispersing agent and binding agent; (2) injecting the turbid liquid into a mold cavity of a film manufacturing fixture, and drying the turbid liquid to form a piece of homogeneous film; (3) putting the film into a sintering manufacturing fixture matching with the film in shape, then sintering the film, and taking the film out after sintering and obtaining the flexible porous metal foil.

Abstract: A drug injection device (10) including a housing (12) for holding a container (20) having a needle (24) for penetrating skin and a plunger (42) for expelling a drug stored in the container. The device includes visual and/or audible indicators for indicating that the correct depth of needle penetration has been achieved and that drug injection/extrusion has been started and/or completed. The device may further include a label (140) for visually confirming the quality of the drug contained therein. Alternatively, a tray (110) may be provided for receiving the drug injection device, which allows the quality of the drug contained therein to be visually confirmed.

Abstract: A method, apparatus and special phosphorus recovery device for recovering yellow phosphorus from an electric furnace phosphorus-producing furnace gas without the use of a spray cooling mode during the condensation of the electric furnace phosphorus-producing furnace gas.

Abstract: The present disclosure provides a planar array antenna. The planar array antenna includes a plurality of phase modulation surfaces, in which each phase modulation surface includes an array including a plurality of transmission phase-shift elements; and a planar power source, configured to power the plurality of phase modulation surfaces, in which each phase modulation surface is configured to modulate a transmission phase of an electromagnetic wave based on the plurality of transmission phase-shift elements, and the plurality of phase modulation surfaces are controlled to change a relative position to change the beam angle based on the corresponding transmission phases. The planar array antenna may be installed in a conformal manner on surfaces of the mobile device, such as a vehicle, an aircraft, a ship or the like.

Abstract: Disclosed are a method for adjusting the pore size of a porous metal material and the pore structure of a porous metal material. The method comprises: permeating at least one element into the surface of the pores of the material to generate a permeated layer on the surface of the pores, so that the average pore size of the porous material is reduced to within a certain range, thus obtaining a pore structure of the porous metal material having the pores distributed on the surface of the material and the permeated layer provided on the surface of the pores.

Abstract: Disclosed are a powder sintered porous metal with better comprehensive properties, especially with good corrosion resistance to hydrofluoric acid, and a filter element using same. The powder sintered porous metal of the present invention has a porosity of 25-60%, an average pore diameter of 0.5-50 ?m and a weight loss rate of at most 1% after being immersed into a hydrofluoric acid solution with a mass fraction of 5% at room temperature for 20 days; and the powder sintered metal porous body consists of Cu accounting for 23-40 wt %, Si accounting for 0-5% and the balance of Ni, based on the weight of the powder sintered metal porous body. The powder sintered porous metal of the present invention has good mechanical properties and machinability, and excellent corrosion resistance in acid mediums, especially in hydrofluoric acid mediums.