Abstract: The present disclosure relates to operation, administration and maintenance (OAM) data transmission methods and apparatuses. One example method includes obtaining, by a first node, a first data flow of a client. The first node inserts an OAM data block in the first data flow of the client to obtain a second data flow of the client, where the OAM data block is a 64B/66B code block that carries OAM data. The first node distributes the second data flow of the client to at least one slot of a channel corresponding to the client.

Abstract: A wireless communication apparatus for transmitting data to a plurality of terminals in conformity with a predetermined wireless communication standard, comprises a controller configured to execute: successively broadcast-transmitting a plurality of data blocks; broadcast-transmitting first notification data as a notification for causing a first terminal receiving at least a part of the plurality of data blocks to declare that there is an unsuccessfully received data block after completion of the transmission of the plurality of data blocks; and retransmitting, if second notification data indicating the unsuccessfully received data block is received as a response to the first notification data from one or more of the first terminal, the data block indicated by the second notification data.

Abstract: A testing method accesses tracing data comprising a plurality of tracing records corresponding to a plurality of test cases executed on a target system. The target system includes a plurality of microservices configured in accordance with a REST API. A dynamic test analyzer accesses the tracing data and imports a definition of the REST API. The analyzer checks each tracing record for consistency with the API definition. Based on this checking of the tracing records, one or more coverage metrics may be calculated. If any one or more of the one or more coverage metrics fails to exceed a threshold coverage, a testing action may be required. In some cases, the testing action may be selected from either seeking additional coverage of the APIs included in the target system or seeking additional test result coverage.

Abstract: A method, computer system, and a computer program product for data compression is provided. The present invention may include receiving operational data. The present invention may include profiling the operational data using one or more normalizing functions. The present invention may include extracting a plurality of patterns from the operational data. The present invention may include compressing the operational data based on the plurality of patterns extracted.

Abstract: A communication system comprising: a first base station having a first controller and a second base station having a second controller, wherein the first controller transmits a handover request to the second base station when a handover to the second base station is required for a user terminal, the second controller transmits a handover response including congestion state information at the second base station to the first base station in response to receiving the handover request, and the first controller transmits a handover command including the congestion state information or a data transmission control command according to the congestion state information to the user terminal in response to receiving the handover response.

Abstract: A communication system comprising a first base station that includes a first controller and a second base station that includes a second controller, wherein the first controller is configured to transmit a handover request to the second base station in a case where handover of a user terminal to the second base station is required, the second controller is configured to transmit a handover response to the first base station in response to reception of the handover request, the handover response including a renewable energy use rate of the second base station, and the first controller is configured to transmit a handover command to the user terminal in response to reception of the handover response, the handover command including the renewable energy use rate or a data transmission control command according to the renewable energy use rate.

Abstract: An approach for managing data set access based on data set relevance. The approach monitors data set access activities associated with a user. The approach detects access of a first data set by the user. The approach determines a group of data sets associated with the first data set based on a data set mapping associated with the user. The approach recalls one or more data sets of the group of data sets from a slower storage device to a faster storage device.

Abstract: Method and system for geometric correction based on image tracking, the method including: obtaining a plurality of projection images of a geometric model, each of the projection images including a projection marker corresponding to an original marker in the geometric model; obtaining an initial correspondence between the original markers in the geometric model and the projection markers in one of the projection images; determining a target correspondence between the original markers in the geometric model and the projection markers in the tracked projection image by tracking, based on a correlation of the projection images and the initial correspondence, the projection markers in the projection images; performing, based on the target correspondence, a geometric correction.

Abstract: Provided herein is a method of preparing a ceramic material, the method including: providing a ceramic gel including a plurality of metal salts and compressing the ceramic gel thereby inducing stress-induced mineralization of the ceramic gel and formation of the ceramic material, wherein the ceramic gel exists in isolated form.

Abstract: The present disclosure discloses a preparation method of an organosilica/ceramic composite membrane with a gradient pore structure. The preparation method comprises: (1) selecting a porous ceramic material as a membrane support layer; (2) gradually replacing a solvent with water to prepare zirconium colloidal sols with different particle sizes, and successively coating the prepared zirconium colloidal sols onto a ceramic support from large to small so as to form a membrane transition layer with a gradient pore structure; and (3) catalytically synthesizing an organosilica polymeric sol using hydrochloric acid, coating the prepared organosilica sol onto the preheated transition layer through ultrasonic thermal spraying to undergo heat treatment, so as to prepare the organosilica/ceramic composite membrane with the gradient pore structure. According to the present disclosure, the transition layer with the gradient pore structure is prepared by using the zirconium colloidal sols with different particle sizes.

Abstract: Polymer compositions are disclosed that contain a heterophasic polypropylene polymer. The polymer composition includes a first polymer phase that may comprise a polypropylene homopolymer and a second polymer phase that may comprise a rubber-like propylene-ethylene random copolymer. The polymer composition is made using Ziegler-Natta catalyst that results in a dramatically reduced VOC and oligomer content.

Abstract: An efficient method for preparing a highly-directional highly-dense two-dimensional material film. The method comprises: using a circular tube with a smooth inner surface as a casting mold; and pouring a solution containing a two-dimensional material into the mold when the mold rotates at high speed in a circumferential direction, wherein the solution is uniformly coated on the inner surface of the mold by centrifugal force, the centrifugal rotation generating a shearing force that causes the two-dimensional material to be directionally and regularly arranged layer upon layer in a circumferential direction in the solution, and, the centrifugal force facilitates highly-dense accumulation of the two-dimensional material, thereby obtaining a highly-directional highly-dense two-dimensional material film.

Abstract: An apparatus and a method for magnetic particle imaging and thermotherapy fusion based on field-free line inertial scanning comprises a magnetic body group, an induction coil, a living body bed, a control device, a display device, an image processing device and a cooling system. The magnetic body group comprises a long curved magnetic body pair and a cylindrical magnetic body. The control device is used to scan and image the target living body and perform thermotherapy on a preset area.

Abstract: A hysteresis effect-based Field Free Point-Magnetic Particle Imaging (FFP-MPI) method includes the following steps: acquiring a hysteresis loop model of Superparamagnetic Iron Oxide Nanoparticles (SPIOs); calculating to obtain a Point Spread Function (PSF) of the SPIOs on the basis of a sinusoidal excitation magnetic field and the hysteresis loop model of the SPIOs; acquiring an original reconstructed image of FFP-MPI on the basis an FFP moving track and a voltage signal; performing deconvolution on the original image with respect to the PSF considering an hysteresis effect, so as to obtain a final reconstructed image; the artifacts and phase errors of image reconstruction caused by the hysteresis effect of the SPIOs with large particle sizes are reduced, the deficiency in reconstruction by the traditional reconstruction method that ignores the hysteresis effect is overcome, the reconstruction speed and the resolution are greatly improved, and the application range of the SPIOs is expanded.

Abstract: Propylene and butene random copolymers are disclosed that have excellent stiffness properties and excellent transparency characteristics especially when combined with one or more nucleating agents. The propylene-butene copolymers can be made with different melt flow characteristics making them well suited for use in injection molding, blow molding and thermoforming applications.

Abstract: Disclosed herein is a method of detecting zinc pyrithione (ZPT) in a sample such as water, waste water, shampoos, etc. The method includes steps of, (a) contacting the sample with a substrate having a layer of metal nanostructure deposited thereon thereby coating the layer of metal nanostructure of the substrate with the sample; and (b) subjecting the sample coated substrate to Raman spectroscopy analysis; wherein, the presence of peaks at 575, 829, 1136 and 1545 cm?1 in Raman spectrum indicates the presence of ZPT in the sample. According to embodiments of the present disclosure, the method may detect ZPT in a concentration ranging from 0.1 ng/mL to 8 ?g/mL.

Abstract: The invention belongs to the technical field of composite membrane, and in particular discloses a UIO-66-NH2 doped organosilicon high salinity wastewater treatment membrane and a preparation method thereof. The membrane is formed into UIO-66-NH2/organosilicon hybrid membrane on the prefabricated ceramic support surface through the dip-coating method by doping the UIO-66-NH2 metal-organic framework material into the organosilicon polymeric sol. The UIO-66-NH2/organosilicon hybrid membrane prepared by the present invention exhibits high water permeability (up to 1.6×10?10 m3/(m2 s Pa) and high salt retention (NaCl retention rate is more than 99.9. %) in the application of pervaporation desalination, and maintains stable membrane structure in the treatment process of TDS>5 wt % high salinity wastewater.

Abstract: A multi-color quantitative magnetic nanoparticle imaging method and system based on trapezoidal wave excitation solves the problem that the existing technology cannot implement multi-color quantitative magnetic particle imaging. The method includes: constructing, based on hysteresis effect and hysteresis inertial growth differences of n superparamagnetic iron oxide nanoparticles (SPIOs) under trapezoidal wave excitation, an equation set of quality of n SPIOs in a to-be-tested sample formed by any composition of n SPIO standard products; solving the equation set to obtain the quality distribution of the to-be-tested sample at position r; and performing rearrangement, color assignment, and image merging on the quality distribution to implement multi-color quantitative imaging of various particles in magnetic particle imaging (MPI). The method broadens the functions of MPI to realize multi-color quantitative imaging, such that MPI has greater potential for application in the medical field.

Abstract: A hysteresis effect-based Field Free Point-Magnetic Particle Imaging (FFP-MPI) method includes the following steps: acquiring a hysteresis loop model of Superparamagnetic Iron Oxide Nanoparticles (SPIOs); calculating to obtain a Point Spread Function (PSF) of the SPIOs on the basis of a sinusoidal excitation magnetic field and the hysteresis loop model of the SPIOs; acquiring an original reconstructed image of FFP-MPI on the basis an FFP moving track and a voltage signal; performing deconvolution on the original image with respect to the PSF considering an hysteresis effect, so as to obtain a final reconstructed image; the artifacts and phase errors of image reconstruction caused by the hysteresis effect of the SPIOs with large particle sizes are reduced, the deficiency in reconstruction by the traditional reconstruction method that ignores the hysteresis effect is overcome, the reconstruction speed and the resolution are greatly improved, and the application range of the SPIOs is expanded.