Abstract: A method, spectral detection system and computer readable medium for acquiring spectral data for a sample; detecting presence of compounds in a time window; performing a spectral library search using the spectral data from the time window; evaluating the hit list of compounds in each time window and selecting a subset of highly probable compounds; performing a regression analysis between the retention index and the measured retention time for the compounds in the subset; identifying and removing outliers from the subset with large retention index errors; repeating the regression analysis with the outliers removed; calculating the retention index values for all compounds from the entire sample run; comparing the calculated retention index value to that of a possible compound to be identified, and using a retention index match score as an additional metric or filter to additionally assess the likelihood of a possible hit.

Abstract: The present disclosure discloses a cross-modal image-watermark joint generation and detection device and method thereof. The device includes a multimodal encoder, an image-watermark feature co-embedding module, an image-watermark feature fusion module, an up-sampling generator, a non-cooperative game decoupling module configured to decouple an unwatermarked image and a reconstructed watermark from a composite image through two decoders by developing allocation strategies according to a non-cooperative game theory and a Shannon information theory; a strategy allocation module configured to set an composite image discriminator, keeping the consistency between the composite image and input text by multi-specification down-sampling convolution kernels and set the objective functions to constrain watermark reconstruction and unwatermarked image decoding; and a post-processing attack module configured to simulate various attacks for ensuring the robustness of watermarks.

Abstract: A system and method for measuring an image distance of power transmission lines with an unmanned aerial vehicle (UAV). The system includes: a UAV, a master console, and a plurality of cameras. The cameras are configured to collect 2D image data of a power transmission line corridor. The UAV includes a vehicle body, a lidar device, a rotor assembly, a power unit, a flight control processor, a state detection device, and a wireless communication module. The lidar device is configured to collect 3D point cloud data of the power transmission lines. The master console is configured to receive the 2D image data and the 3D point cloud data, and establish a mapping relationship between the 2D image data and the 3D point cloud data; recognize a target object, determine 3D point coordinates of the target object, and calculate a distance from the target object to the power transmission lines.

Abstract: This present disclosure describes path probe methods and devices. The methods comprise receiving a first path probe packet; establishing a first association according to link information in the first path probe request packet and a path label of a network path to be probed; determining a third association based on an IP address in the first path probe packet and the path label of the network path to be probed. The IP address includes an IP address of an adjacent network node of the first network node, and a third association includes an association of the path label with the IP address of the adjacent node. The path probe method may reduce system overhead. In the transmission process, the number of network nodes may also be set according to needs. An IP overlay network based on label switching is realized.

Abstract: Disclosed in the present application are a method for improving performance of a low-intermediate frequency receiver, a storage medium, and a receiver. The method comprises: selecting a local oscillator signal from a preset local oscillator frequency set as an initial local oscillator signal to perform frequency mixing processing on an input signal, so as to obtain a low-intermediate frequency signal comprising a low-intermediate frequency useful signal and a low-intermediate frequency interference signal; determining whether an energy ratio of the low-intermediate frequency interference signal to the low-intermediate frequency useful signal is greater than a first preset ratio; and if the energy ratio is greater than the first preset ratio, selecting another local oscillator frequency from the preset local oscillator frequency set as the current local oscillator signal to process the input signal.

Abstract: Disclosed is a system for segmented simultaneous water injection and oil recovery through double pipes in horizontal section, comprising several packers, several oil-extracting mechanisms and several water-injection mechanisms, wherein each of the packers, each of the oil-extracting mechanisms, and each of the water-injection mechanisms has an injection channel and a production channel, when several packers, several oil-extracting mechanisms and several water-injection mechanisms are combined, each of the injection channels is connected in turn, and each of the production channels is also connected in turn, the oil-extracting mechanism can extract oil through the production channel, the water-injection mechanism can inject water through the injection channel. The beneficial effects of this disclosure include: the oil in the oil production section can be produced while the water injection section is injected with water.

Abstract: A method, spectral detection system and computer readable medium for acquiring spectral data for a sample; detecting presence of compounds in a time window; performing a spectral library search using the spectral data from the time window; evaluating the hit list of compounds in each time window and selecting a subset of highly probable compounds; performing a regression analysis between the retention index and the measured retention time for the compounds in the subset; identifying and removing outliers from the subset with large retention index errors; repeating the regression analysis with the outliers removed; calculating the retention index values for all compounds from the entire sample run; comparing the calculated retention index value to that of a possible compound to be identified, and using a retention index match score as an additional metric or filter to additionally assess the likelihood of a possible hit.

Abstract: This present disclosure describes path probe methods and devices. The methods comprise receiving a first path probe packet; establishing a first association according to link information in the first path probe packet and a path label of a network path to be probed; determining a third association based on an IP address in the first path probe packet and the path label of the network path to be probed. The IP address includes an IP address of an adjacent network node of the first network node, and a third association includes an association of the path label with the IP address of the adjacent node. The path probe method may reduce system overhead. In the transmission process, the number of network nodes may also be set according to needs. An IP overlay network based on label switching is realized.

Abstract: A method, for use in a mass spectrometer or computer software, and computer readable medium, for acquiring mass spectral data; comprising acquiring mass spectral data for a sample; selecting a relevant retention time window for presence of possible compounds of interest; using positively identified analytes from a sample run to convert retention time into retention index; determining a retention index range for said relevant retention time window; using the acquired spectral data in said relevant retention time window to perform a spectral library search to identify possible compounds; selecting a subset of possible compounds based on at least one of their retention index values and spectral library search scores; performing a regression analysis, between the spectral data within the retention time window and the library spectrum of at least one of the subset of possible compounds; and reporting the regression coefficients as representative of the concentrations or chromatograms of said possible compounds.

Abstract: A cleaning brush includes a brush handle, a brush head connected to the brush handle, and a plurality of bristles attached to the surface of the brush head, the cross section of the bristles in at least some areas on the surface of the brush head is polygonal; a cleaning brush kit includes the cleaning brush and a storage box corresponding to the cleaning brush; a side wall of the storage box is provided with an adsorption member, and the adsorption member enables the storage box to be attached to a smooth and hard surface.

Abstract: A method and apparatus for providing emotional care in a session between a user and conversational agent. A first group of images comprising one or more images associated with the user may be received in the session. A user profile may be obtained. A first group of textual descriptions may be generated from the first group of images based at least on emotion information in the user profile. A first memory record may be created based at least on the first group of images and the first group of textual descriptions. A second group of images may be received in the session to generate a second group of textual descriptions from the second group of images based at least on the emotion information in the user profile. A second memory record may be created based at least on the second group of images and the second group of textual descriptions.

Abstract: Disclosed is a fracturing method with synergistic effects of energy enhancement, oil displacement, huff and puff, imbibition, and displacement, comprising the following steps: selecting a well that has never been fracted as a fracturing well; dividing the target layer into several fracturing intervals; performing perforating operations on each fracturing interval of the fracturing well; injecting pore cleaning fluid into the fracturing well to perform pore cleaning and acidizing pretreatment on each cluster perforation; designing fracturing construction parameters; alternately injecting slick water fracturing fluid and oil-displacement slick water fracturing fluid into each of the fracturing layers. The beneficial effects of this disclosure are: the construction method of slick water fracturing fluid with high pump rate and large displacement can form a more complex fracture network structure, tap the production potential of the target reservoir, and further improve the stimulation effect of the reservoir.

Abstract: Disclosed is a system for segmented simultaneous water injection and oil recovery through double pipes in horizontal section, comprising several packers, several oil-extracting mechanisms and several water-injection mechanisms, wherein each of the packers, each of the oil-extracting mechanisms, and each of the water-injection mechanisms has an injection channel and a production channel, when several packers, several oil-extracting mechanisms and several water-injection mechanisms are combined, each of the injection channels is connected in turn, and each of the production channels is also connected in turn, the oil-extracting mechanism can extract oil through the production channel, the water-injection mechanism can inject water through the injection channel. The beneficial effects of this disclosure include: the oil in the oil production section can be produced while the water injection section is injected with water.

Abstract: A method and apparatus for providing emotional care in a session between a user and conversational agent. A first group of images comprising one or more images associated with the user may be received in the session. A user profile may be obtained. A first group of textual descriptions may be generated from the first group of images based at least on emotion information in the user profile. A first memory record may be created based at least on the first group of images and the first group of textual descriptions. A second group of images may be received in the session to generate a second group of textual descriptions from the second group of images based at least on the emotion information in the user profile. A second memory record may be created based at least on the second group of images and the second group of textual descriptions.

Abstract: The present disclosure relates to the field of communication technologies, in particular to a shared bandwidth speed-limiting method, device, and storage medium. The method for customer premise equipment comprises: adding a token into a token bucket of the customer premise equipment based on an initial bandwidth rate; and sending a statistical information report to a central controller every preset time interval, wherein the statistical information report represents a report reflecting a surplus or deficiency condition of tokens in the token bucket, and is configured to instruct the central controller to reallocate tokens of the customer premise equipment by a central token bucket.