Abstract: The present invention provides polymer blends that can be used in a multilayer structure and to multilayer structures comprising one or more layers formed from such blends. In one aspect, a polymer blend comprises (a) a copolymer comprising ethylene and at least one of acrylic acid and methacrylic acid having an acid content of 2 to 21 weight percent based on the weight of the copolymer, wherein the amount of copolymer (a) comprises 20-80 weight percent of the blend based on the total weight of the blend, and (b) a copolymer comprising ethylene and at least one of methyl acrylate and ethyl acrylate having an acrylate content of 5 to 30 weight percent based on the weight of the copolymer, wherein the amount of copolymer (b) comprises 10 to 50 weight percent of the blend based on the total weight of the blend, wherein the amount of copolymer (a) and copolymer (b) is at least 70 weight percent of the blend based on the total weight of the blend.

Abstract: An RNA fluorescent probe for rapidly distinguishing cancer tissue from normal tissue based on nucleolar morphological changes, the probe being (E)-1-(3-aminopropyl)-4-(2-(9-ethyl-9H-carbazol-3-yl)vinyl)pyridine-1-ium dibromide, abbreviated as CAPY-AP. The probe can target RNA in culture cells and normal tissue as well as cancer tissue and then display nucleolar morphology. The judging criteria of distinguishing the cancer tissue from the normal tissue based on the nucleolar morphological changes is only single and unconspicuous nucleolus in most cells of normal tissue, while the enlarged nucleoli and/or multiple nucleoli exist in many cells of cancer tissue. Compared with other existing RNA probes, the probe has super-high RNA affinity and super-high permeability, and can rapidly image the RNA and nucleoli in tissue sections.

Abstract: A filling composition comprises (A) a mineral oil having a kinematic viscosity from 80 cSt to 100 cSt at 40° C.; (B) a styrene-ethylene/propylene diblock copolymer; and (C1) a propylene/ethylene copolymer having a weight average molecular weight (Mw) from 5,000 to 200,000 or (C2) an ethylene/propylene copolymer having a weight average molecular weight (Mw) from 5,000 to 200,000. The filling composition is used as a filling composition in a buffer tube.

Abstract: The present disclosure provides a multi-band base station antenna for scattering suppression, including a high-band dual-polarized antenna and a low-band dual-polarized antenna. The operating band of the high-band dual-polarized antenna is 1.7-3.0 GHz, which are four; the operating band of the low-band dual-polarized antenna operates is 0.69-0.96 GHz, and is comprised of two intersected dipoles; above the high-band dual-polarized antennas, a spacing between the high-band dual-polarized antenna and the low-band dual-polarized antenna is smaller than the quarter wavelength corresponding to the low-band dual-polarized antenna; the low-band dual-polarized antenna is provided with several rectangular open slots at equal spacings, with symmetrical openings on both sides of the dipole, with a width of 1-1.5 mm and a length of 4-to 6 mm; and a ratio of the sum of widths of the open slots to a length of an arm of the dipole is greater than 0.16 and less than 0.24.

Abstract: The present disclosure relates to an artificial intelligence field using a neural network, and publishes a method for confirming a cup-disc ratio based on a neural network, an apparatus, a computer device, and a computer readable storage medium. The method includes: obtaining a retinal image, and detecting an optical disc region in the retinal image to obtain the optical disc region; inputting the optical disc region into a pre-trained neural network to obtain a prediction cup-disc ratio and segment images of an optical cup and an optical disc; computing a cup-disc ratio based on the segment images of the optical cup and the optical disc; and confirming a practical cup-disc ratio based on the prediction cup-disc ratio and the computed cup-disc ratio.

Abstract: Provided herein are compounds, derivatives thereof, and compositions including one or more of the compounds and derivatives, and methods for prevention and/or treatment of microbial infections and/or related diseases or conditions. The present compounds and/or derivatives thereof can be represented by Formula (I): The present methods include administering to a subject an effective amount of one or more compounds of Formula (I). In one embodiment, the microbial infections are bacterial infections. More specifically, the bacterial infections are staphylococcal infections.

Abstract: A train window structure and a train with the train window structure, the train window structure comprises a train window frame; train window glass arranged on the train window frame and internally provided with a hollow structure; and a display arranged in the hollow structure to display information on the train window glass, and information is displayed on the display in the hollow structure and is provided for passengers.

Abstract: The present invention relates to a plug and valve integrated cone valve pump with combined type movable and fixed three cylinders and two spiral centralizers, which is applied to suction working conditions in highly deviated well sections. It comprises three pump cylinders, which are combined type including two fixed cylinders and a dynamic cylinder, two centralizers, which are combined type including a dynamic spiral centralizer and fixed spiral centralizer, a fixed cone valve, a cylinder and plug integrated springing fixed cone valve, a fixed plunger and a movable guide rod cone valve to solve the problems such as stuck pump, eccentric wear between plunger and pump cylinder and valve leakage.

Abstract: A coated seed comprises a seed, and a coating composition coated on the seed comprising a polar polyolefin dispersion, which comprises: 1) a polar polyolefin; and 2) a neutralizing base; wherein the polar polyolefin is an olefin copolymer that contains one or more polar groups, wherein the polar groups are selected from the group consisting of a carboxylic acid group, a carboxylic acid anhydride group or a carboxylic acid salt moiety; wherein the neutralizing base is abase that modifies at least a portion of the carboxylic acid group, carboxylic acid anhydride group or carboxylic acid salt moiety of the polymer to form a stable aqueous dispersion with the polar polyolefin.

Abstract: Embodiments relate to a method of enhanced oil recovery that includes injecting a composition including an hyperbranched polyglycerol into an injection well in a subterranean oil-bearing reservoir, the hyperbranched polyglycerol being a primary alcohol that is a reaction product of a C2 to C25 carbon alcohol and a plurality of glycidols; and displacing oil in the subterranean oil-bearing reservoir using the composition.

Abstract: A voiceprint recognition method includes: obtaining a target speech information set to be recognized that includes speech information corresponding to at least one object; extracting target feature information from the target speech information set by using a preset algorithm, and optimizing the target feature information based on a first loss function to obtain a first voiceprint recognition result; obtaining target speech channel information of a target speech channel, where the target speech channel information includes channel noise information, and the target speech channel is used to transmit the target speech information set; extracting target feature vectors in the channel noise information, and optimizing the target feature vectors based on a second loss function to obtain a second voiceprint recognition result; and fusing the first voiceprint recognition result and the second voiceprint recognition result to determine a final voiceprint recognition result.

Abstract: A method for voiceprint recognition of an original speech is used to reduce information losses and system complexity of a model for data recognition of a speaker's original speech. The method includes: obtaining original speech data, and segmenting the original speech data based on a preset time length to obtain segmented speech data; performing tail-biting convolution processing and discrete Fourier transform on the segmented speech data through a preset convolution filter bank to obtain voiceprint feature data; pooling the voiceprint feature data through a preset deep neural network to obtain a target voiceprint feature; performing embedded vector transformation on the target voiceprint feature to obtain corresponding voiceprint feature vectors; and performing calculation on the voiceprint feature vectors through a preset loss function to obtain target voiceprint data, where the loss function includes a cosine similarity matrix loss function and a minimum mean square error matrix loss function.

Abstract: Apparatuses and methods for pipelining memory operations with error correction coding are disclosed. A method for pipelining consecutive write mask operations is disclosed wherein a second read operation of a second write mask operation occurs during error correction code calculation of a first write mask operation. The method may further including writing data from the first write mask operation during the error correction code calculation of the second write mask operation. A method for pipelining consecutive operations is disclosed where a first read operation may be cancelled if the first operation is not a write mask operation. An apparatus including a memory having separate global read and write input-output lines is disclosed.

Abstract: The present disclosure relates to a technology field of artificial intelligence and provides a method for selecting image samples and related equipment. The method trains an instance segmentation model with first image samples and trains a score prediction model with third image samples. An information quantum score of second image samples is calculated through the score prediction model and feature vectors extracted. The second image samples are clustered according to the feature vectors of the second image samples and sample clusters of the second image samples are obtained. Target image samples are selected from the second image samples according to the information quantum score of the second image samples and the sample clusters. Target image samples from the image samples are selected for labelling, improving an accuracy of sample selection.

Abstract: Embodiments of this application disclose a wireless transceiver apparatus. The apparatus includes a radio frequency receiver, a radio frequency transmitter, a first serializer/deserializer, and a common clock phase-locked loop. The radio frequency receiver, the radio frequency transmitter, the first serializer/deserializer, and the common clock phase-locked loop are integrated in a radio frequency chip. The radio frequency receiver includes a down converter and an analog to digital converter. The radio frequency transmitter includes an up converter and a digital to analog converter. The first serializer/deserializer is configured to provide a serial digital interface with a baseband chip for the radio frequency chip.

Abstract: Embodiments of the present invention disclose a virtual network device. The virtual network device is configured to implement a broadband network gateway BNG function, and the virtual network device includes a load balance unit and a first forwarding unit; the load balance unit is configured to: receive a first data packet from a first user terminal, determine the first forwarding unit according to the first data packet and a first correspondence, and send the first data packet to the first forwarding unit, where the first correspondence indicates mapping from the first user terminal to the first forwarding unit; and the first forwarding unit is configured to receive and forward the first data packet. In addition, the embodiments of the present invention further disclose a method for implementing load sharing in a virtual network device.

Abstract: This application relates to the field of communication technologies, and discloses a communication method and apparatus. The method includes: The terminal device generates capability information, where the capability information includes an overall frequency separation class of the terminal device, and the overall frequency separation class indicates a maximum frequency separation between a lowest component carrier and a highest component carrier included in an uplink component carrier and a downlink component carrier supported by the terminal device; and the terminal device sends the capability information to the network device.

Abstract: A method for detecting an audio signal, the method comprises: obtaining a speech segment and a non-speech segment of an audio signal to be detected, extracting a first audio feature of the speech segment and a second audio feature of the non-speech segment, detecting the first audio feature using a predetermined speech segment detection model to obtain a first detection score, detecting the second audio feature using a predetermined non-speech segment detection model to obtain a second detection score, and determining whether the audio signal belongs to a target audio based on the first detection score and the second detection score.

Abstract: Provided is a flooding composition. The flooding composition includes in weight percent (wt %) based on the weight of the composition: (A) from 1 wt % to less than 5 wt % of a polytetrafluoroethylene (PTFE) powder; (B) a styrene-ethylene/propylene block copolymer; and (C) a mineral oil having a kinematic viscosity from 32 cSt to 100 cSt at 40° C. Also a fiber optic cable is provided. The fiber optic cable includes a buffer tube; at least one optical fiber in the buffer tube; and the flooding composition.

Abstract: A microstrip ultra-wideband antenna is provided, including: an upper dielectric substrate, a radiation patch, an open-circuit line, a short-circuit line, a ground plane, a lower dielectric substrate, a vertical dielectric substrate, isolation walls, a hyperbolic microstrip balun feeder and an ideal wave port. The radiation patch is attached to a lower surface of the upper dielectric substrate; the ground plane is attached to an upper surface of the lower dielectric substrate; the short-circuit line and the open-circuit line are attached to a rear surface and a front surface of the vertical dielectric substrate respectively; the hyperbolic microstrip balun feeder is attached to the front and rear surface of the vertical dielectric substrate; the isolation walls are located between the upper dielectric substrate and the lower dielectric substrate perpendicularly to an end of the radiation patch; and the ideal wave port is provided below the hyperbolic microstrip balun feeder.