Abstract: The present invention relates to an auxiliary method and facility for fish resource recovery in an open water diversion channel, which includes: an inlet of the attraction channel arranged on a side wall of the open water diversion channel, a slope provided inside the attraction channel, wherein a lower end of the slope is located inside the open water diversion channel, and a higher end of the slope is located outside the open water diversion channel, an attracted water flow is arranged at the higher end of the slope to guide fish into the attraction channel and an outlet of the attraction channel is connected to a still water zone, wherein the still water zone is provided with a release device. The present invention effectively guides a significant number of fish that have mistakenly entered the open water diversion channel out of the channel through attracted attraction.

Abstract: The present invention includes a method and kit for cDNA synthesis of a 3?UTR/poly(A) tail junction of cellular RNA comprising: obtaining RNA comprising a 3?UTR/poly(A) junction and a poly(a) tail; combining the RNA with three terminating nucleotides of modified-deoxyGTP, modified-deoxyCTP and modified-deoxyATP, dNTPs, and adaptor sequence-oligo-dT; performing reverse transcription of the RNA with a reverse transcriptase primed with the adaptor sequence-oligo-dT to form terminated cDNA fragments that are stochastically terminated upstream of the 3?UTR/poly(A) junction, but not within the poly(A) tail; isolating the terminated cDNA fragments; chemically ligating a functionalized 5? adaptor to the terminated cDNA; and amplifying the chemically-ligated cDNA into an amplification product, wherein the cDNA is enriched for sequences at the 3?UTR/poly(A) tail junction without fragmentation or enzymatic ligation.

Abstract: The present invention relates to a method for calculating a head loss coefficient and branch pipe flow distribution of a multi-point water intake. The method includes the following steps: inputting and determining a structure and size information of the multi-point water intake; determining a head loss coefficient; determining a head loss coefficient form of a confluence port; pre-estimating or adjusting a trial flow; performing trial calculation on the head loss coefficient of each branch pipe; comparing the head losses calculated by two flow paths; and carrying out overall calculation. According to the present invention, the flow of each branch pipe is adjusted and the head loss coefficient is repeatedly calculated by utilizing iterative calculation of the head loss coefficients of the flows in two directions, so that the head loss and the flow distribution proportion can be finally and accurately calculated.

Abstract: Disclosed are a detection method and system for keypoints of a video image, a device, and a storage medium. The detection method includes: acquiring a current video image; dividing the current video image into a plurality of blocks; and acquiring keypoints from each block in sequence; where the acquiring keypoints includes: generating initial keypoints of the block; and extracting the initial keypoints in combination with a keypoint acquisition condition in a previous video image, so as to acquire the keypoints of the block. The disclosure detects the keypoints of the current video image accurately.

Abstract: A method for processing an image, an apparatus for processing an image, an electronic device, and a storage medium. The method includes: obtaining a first aim-to-mask flag of a pixel to be interpolated; obtaining second aim-to-mask flags of pixels in a preset neighborhood of the pixel to be interpolated; determining flag categories and a number corresponding to each of the flag categories, in the first aim-to-mask flag and the second aim-to-mask flags; obtaining a third aim-to-mask flag of the pixel to be interpolated based on the flag categories and the number corresponding to each of the flag categories; obtaining interpolation data of the pixel to be interpolated based on the third aim-to-mask flag of the pixel to be interpolated; and performing motion compensation on the pixel to be interpolated based on the interpolation data.

Abstract: The present invention relates to a method for calculating a head loss coefficient and branch pipe flow distribution of a multi-point water intake. The method includes the following steps: inputting and determining a structure and size information of the multi-point water intake; determining a head loss coefficient; determining a head loss coefficient form of a confluence port; pre-estimating or adjusting a trial flow; performing trial calculation on the head loss coefficient of each branch pipe; comparing the head losses calculated by two flow paths; and carrying out overall calculation. According to the present invention, the flow of each branch pipe is adjusted and the head loss coefficient is repeatedly calculated by utilizing iterative calculation of the head loss coefficients of the flows in two directions, so that the head loss and the flow distribution proportion can be finally and accurately calculated.

Abstract: A method, apparatus and electronic device for detecting a display region of a video image in real time. The method includes: determining a bright pixel threshold line that distinguishes a display region from a black edge region of the current frame of image according to a pixel value of each pixel; determining a time-domain warning line according to time-domain motion statistic values of each row and each column of pixels of the current frame of image; determining a target optimal gradient line that distinguishes the display region from the black edge region of the current frame of image; and determining a boundary bright line between the display region and the black edge region of the current frame of image according to the bright pixel threshold line, the time-domain warning line and the target gradient line to determine the display region of the current frame of image.

Abstract: A medical adhesive and the preparation method, and application thereof. The medical adhesive is in the form of a gel, which contains a giant salamander skin mucus and an aqueous solution; the ratio parts by weight of the giant salamander skin dried powder and the aqueous solution is 1:1 to 1:6, and the weight content of the giant salamander skin mucus freeze-dried powder in the medical adhesive ranges from 14.2% to 50%. The present invention also provides the preparation method for preparing the aforementioned medical adhesive, and at the same time, the aforementioned medical adhesive is applied for the wound.

Abstract: A method, apparatus and electronic device for detecting a display region of a video image in real time. The method includes: determining a bright pixel threshold line that distinguishes a display region from a black edge region of the current frame of image according to a pixel value of each pixel; determining a time-domain warning line according to time-domain motion statistic values of each row and each column of pixels of the current frame of image; determining a target optimal gradient line that distinguishes the display region from the black edge region of the current frame of image; and determining a boundary bright line between the display region and the black edge region of the current frame of image according to the bright pixel threshold line, the time-domain warning line and the target gradient line to determine the display region of the current frame of image.

Abstract: A method for processing an image, an apparatus for processing an image, an electronic device, and a storage medium. The method includes: obtaining a first aim-to-mask flag of a pixel to be interpolated; obtaining second aim-to-mask flags of pixels in a preset neighborhood of the pixel to be interpolated; determining flag categories and a number corresponding to each of the flag categories, in the first aim-to-mask flag and the second aim-to-mask flags; obtaining a third aim-to-mask flag of the pixel to be interpolated based on the flag categories and the number corresponding to each of the flag categories; obtaining interpolation data of the pixel to be interpolated based on the third aim-to-mask flag of the pixel to be interpolated; and performing motion compensation on the pixel to be interpolated based on the interpolation data.

Abstract: The present invention includes a method and kit for cDNA synthesis of a 3?UTR/poly(A) tail junction of cellular RNA comprising: obtaining RNA comprising a 3?UTR/poly(A) junction and a poly(a) tail; combining the RNA with three terminating nucleotides of modified-deoxyGTP, modified-deoxyCTP and modified-deoxyATP, dNTPs, and adaptor sequence-oligo-dT; performing reverse transcription of the RNA with a reverse transcriptase primed with the adaptor sequence-oligo-dT to form terminated cDNA fragments that are stochastically terminated upstream of the 3?UTR/poly(A) junction, but not within the poly(A) tail; isolating the terminated cDNA fragments; chemically ligating a functionalized 5? adaptor to the terminated cDNA; and amplifying the chemically-ligated cDNA into an amplification product, wherein the cDNA is enriched for sequences at the 3?UTR/poly(A) tail junction without fragmentation or enzymatic ligation.

Abstract: The present invention includes a method and kit for cDNA synthesis of a 3?UTR/poly(A) tail junction of cellular RNA comprising: obtaining RNA comprising a 3?UTR/poly(A) junction and a poly(a) tail; combining the RNA with three terminating nucleotides of modified-deoxyGTP, modified-deoxyCTP and modified-deoxyATP, dNTPs, and adaptor sequence-oligo-dT; performing reverse transcription of the RNA with a reverse transcriptase primed with the adaptor sequence-oligo-dT to form terminated cDNA fragments that are stochastically terminated upstream of the 3?UTR/poly(A) junction, but not within the poly(A) tail; isolating the terminated cDNA fragments; chemically ligating a functionalized 5? adaptor to the terminated cDNA; and amplifying the chemically-ligated cDNA into an amplification product, wherein the cDNA is enriched for sequences at the 3?UTR/poly(A) tail junction without fragmentation or enzymatic ligation.

Abstract: The invention relates to a device and method for laboratory ice jam and ice dam radar measurement tests, the device includes a non-metal water tank, a truss spans the top of the non-metal water tank, the truss is connected with a radar plate parallel to a surface of water through a lifting mechanism, a measuring radar is provided on the radar plate, a permeable measuring barrel soaked in the water is provided below the radar plate, a barrel bottom of the permeable measuring barrel is a permeable plate capable of rising and falling, model ice blocks are provided in the permeable measuring barrel, and a handle capable of shaking the truss upwards, downwards, leftwards and rightwards is provided on the truss.

Abstract: The invention relates to a device and method for laboratory ice jam and ice dam radar measurement tests, the device includes a non-metal water tank, a truss spans the top of the non-metal water tank, the truss is connected with a radar plate parallel to a surface of water through a lifting mechanism, a measuring radar is provided on the radar plate, a permeable measuring barrel soaked in the water is provided below the radar plate, a barrel bottom of the permeable measuring barrel is a permeable plate capable of rising and falling, model ice blocks are provided in the permeable measuring barrel, and a handle capable of shaking the truss upwards, downwards, leftwards and rightwards is provided on the truss.

Abstract: The present invention includes a method and kit for cDNA synthesis of a 3?UTR/poly(A) tail junction of cellular RNA comprising: obtaining RNA comprising a 3?UTR/poly(A) junction and a poly(a) tail; combining the RNA with three terminating nucleotides of modified-deoxyGTP, modified-deoxyCTP and modified-deoxyATP, dNTPs, and adaptor sequence-oligo-dT; performing reverse transcription of the RNA with a reverse transcriptase primed with the adaptor sequence-oligo-dT to form terminated cDNA fragments that are stochastically terminated upstream of the 3?UTR/poly(A) junction, but not within the poly(A) tail; isolating the terminated cDNA fragments; chemically ligating a functionalized 5? adaptor to the terminated cDNA; and amplifying the chemically-ligated cDNA into an amplification product, wherein the cDNA is enriched for sequences at the 3?UTR/poly(A) tail junction without fragmentation or enzymatic ligation.

Abstract: Embodiments of the present invention disclose a method and an apparatus for monitoring a network device, and relate to the field of information network technologies. The method in the present invention includes acquiring basic service set identifiers (BSSIDs) of wireless network devices in a network system managed by a network management system and determining BSSIDs of unauthorized wireless network devices in the acquired BSSIDs of the wireless network devices in the network system by using a fingerprint database of authorized wireless network devices. The method also includes acquiring a media access control (MAC) forwarding table corresponding to a network port used by a user and determining an unauthorized wireless network device connected to the network port according to the BSSIDs of the unauthorized wireless network devices and a MAC address.

Abstract: Concepts and technologies disclosed herein are for monitoring operational activities in networks and detecting potential network intrusions and misuses. According to one aspect disclosed herein, an intrusion detection system can collect logs from an authentication, authorization, and accounting system. The intrusion detection system can extract information from the logs, update intrusion detection information utilized by an intrusion detection rule based upon the information extracted from the logs, update a profile utilized by the intrusion detection rule, compare the profile and the intrusion detection rule against a running state of an on-going session, tag corresponding log entries with a threat score, calculate the threat scores from the corresponding log entries to create an aggregated threat score, and present the aggregated threat score. The intrusion detection system can also present an alarm if the aggregated threat score triggers an alarm condition.

Abstract: Embodiments of the present invention disclose a method and an apparatus for monitoring a network device, and relate to the field of information network technologies. The method in the present invention includes acquiring basic service set identifiers (BSSIDs) of wireless network devices in a network system managed by a network management system and determining BSSIDs of unauthorized wireless network devices in the acquired BSSIDs of the wireless network devices in the network system by using a fingerprint database of authorized wireless network devices. The method also includes acquiring a media access control (MAC) forwarding table corresponding to a network port used by a user and determining an unauthorized wireless network device connected to the network port according to the BSSIDs of the unauthorized wireless network devices and a MAC address.

Abstract: A wireless network fault diagnosis method and device are provided. The method includes receiving, by a network management server, sampling data of user equipment in at least one area in a wireless network, where the sampling data includes attribute information of the user equipment and probe-collected information of the user equipment; generating, by the network management server according to the sampling data of the user equipment in the at least one area, statistical information that corresponds to each area of the at least one area; and performing, by the network management server, area-based wireless network fault diagnosis according to the statistical information that corresponds to each area of the at least one area. Therefore, area-based wireless network fault diagnosis is performed, a fault trend of the user equipment can be fully perceived, so that corresponding measures are taken against wireless network faults to effectively improve satisfaction on user experience.

Abstract: Disclosed are a method, an apparatus, and a system for detecting a rogue wireless access point (AP) as relates to the field of communications network technologies, which is used to solve a problem of information leakage to a certain degree. An authentication client obtains a basic service set identifier (BSSID) of a radio signal to be connected and checks the BSSID of the radio signal to be connected against a valid BSSID list; the authentication client determines that an AP corresponding to the BSSID of the radio signal to be connected is a rogue AP when the BSSID of the radio signal to be connected does not exist in the valid BSSID list; and generates a prompt message. The solutions provided in the embodiments of the present invention are applicable to detecting whether an AP is a rogue wireless AP.