Abstract: Techniques for data transmission involve obtaining respective data transmission characteristics of a set of to-be-processed data transmission jobs, the data transmission characteristics of each data transmission job indicating at least one of an expected transmission time and a data size of the data transmission job; determining corresponding weights of the set of data transmission jobs based on the data transmission characteristics of the set of data transmission jobs; and determining a transmission rate of each data transmission job based on the weights and a total transmission rate used for the set of data transmission. Accordingly, different transmission rates may be assigned to different data transmission jobs, thereby increasing a recovery point objective (RPO) completion rate before a failure occurs.

Abstract: The invention proposes a high-pressure environment biological enrichment and spray-type solid isolation and cultivation device, including a spray-type isolation and cultivation solid unit, and a biological enrichment unit. In the case of constructing a high-pressure, low-temperature environment consistent with the marine environment, the biological enrichment unit is used to realize enrichment and multi-stage purification process of marine microorganisms, obtain a biological enrichment fluid and inject the biological enrichment fluid into the spray-type isolation and cultivation solid unit; and the spray-type isolation and cultivation solid unit is use to convert the biological enrichment fluid into a state of microbeads, so that the biological enrichment fluid can be isolated and cultivated in a dispersed state.

Abstract: Techniques are provided for data replication using reinforcement learning to dynamically initiate the transfer of replication data. One method comprises obtaining a state for transferring replication data from a first storage system to a second storage system, wherein the state comprises an amount of replication data to be transferred to the second storage system; assigning a reward value to previously completed replication sessions based on whether a respective previously completed replication session satisfies a designated data recovery objective; determining a start time, using a reinforcement learning framework, for transferring the replication data to the second storage system, wherein the determining is based on the assigned reward values; and initiating the transfer of the replication data to the second storage system using the determined start time.

Abstract: An apparatus comprises at least one processing device configured to receive, by at least one network switch, a communication comprising a virtual logical device tag. The processing device is also configured, responsive to determining that the virtual logical device tag is a host-specific virtual logical device tag associated with a given host-specific virtual logical device of a given host device that is part of a multi-host link aggregation bond, to direct the communication to a given link for the given host device. The processing device is further configured, responsive to determining that the virtual logical device tag is a service-generic virtual logical device tag for a service provided by host devices which are part of the multi-host link aggregation bond) collectively, to select one of the host devices in accordance with a distribution algorithm and to direct the communication to a selected link for the selected host device.

Abstract: The present invention provides a device for separating a single colony in a deep-sea in-situ environment. The device includes a separation operation incubator, a liquid injection unit, a sampling unit, and a sampling probe device. The present invention further provides a method for separating a single colony in a deep-sea in-situ environment. The method includes: under the condition of maintaining the pressure and temperature in the separation operation incubator consistent with those of a culture environment of deep-sea microorganisms, injecting a microbial bacterial liquid into the separation operation incubator through the liquid injection unit; carrying out dipping and streaking operations by the sampling probe device; then, carrying out separation and culture; and at last, selecting a single colony by the sampling unit to realize separation of a single colony.

Abstract: The present invention provides a membrane bioreactor for deep-sea cold seeps. The bioreactor is used for simulating a biomembrane growth process during anaerobic oxidation of methane (AOM) in the cold seeps and monitoring changes of environmental conditions thereof. The present invention further provides an online environmental parameter measurement system for a membrane biological reaction in the deep-sea cold seeps. The system includes a fluid supply unit used for generating saturated methane fluid and injecting the saturated methane fluid into the membrane bioreactor for the deep-sea cold seeps at a microflow, and a pressurization system used for ensuring stability and consistency of internal environmental pressure of the system in a simulation process.

Abstract: The present invention provides a system and a method for simulating formation and evolution of a deep-sea cold seep ecosystem. Simulation of the cold seep ecosystem is realized and a unit above seabed interface, a seabed interface ecosystem simulation unit, and a subsea interface unit is formed through the system, which provides environmental conditions for evolution of the cold seep ecosystem. At the same, the primary succession and secondary succession of the ecological cold seep system are simulated through the environmental condition control equipment, the sampling cabin, and the seabed current injection system, and the formation environment of the system is remodeled in situ, thereby effectively shortening the period of field observation to research the cold seep ecosystem.

Abstract: The disclosure relates to a vertical-type light-emitting diode, which includes a semiconductor stack layer, a first electrode, a second electrode and a protruding protective electrode. The semiconductor stack layer has an upper surface and a lower surface opposite to each other. The semiconductor stack layer includes a first semiconductor layer, a light-emitting layer and a second semiconductor layer stacked in sequence from the lower surface to the upper surface. The first electrode is located on the lower surface of the semiconductor stack layer and connected to the first semiconductor layer. The second electrode is located on the upper surface of the semiconductor stack layer and is connected to the second semiconductor layer, and the protruding protective electrode is connected to the second electrode. The upper surface of the protruding protective electrode is higher than the upper surface of the second electrode.

Abstract: An apparatus comprises a processing device configured to maintain, for a storage system implementing a mapped redundant array of independent disks (RAID) configuration including disk groups providing RAID groups comprising data and hot spare extents, a shared pool of hot spare extents comprising first and second sets of hot spare extents from first and second ones of the disk groups. The processing device is further configured to detect failure of a disk in the first disk group, to determine whether available ones of the first set of hot spare extents provide sufficient storage capacity for rebuilding the failed disk and, responsive to determining that available ones of the first set of hot spare extents do not provide sufficient storage capacity for rebuilding the failed disk, to rebuild the failed disk utilizing one or more of the second set of hot spare extents in the shared pool of hot spare extents.

Abstract: The present invention provides a device for enrichment culture and gravity-type isolation of marine microorganisms in a high-pressure environment. The device includes an enrichment and multistage purification unit and a gravity-type isolation and culture unit. Under a high-pressure and low-temperature environment constructed to be consistent with a marine environment, the enrichment and multistage purification unit is used for realizing a process of enrichment and multistage purification of the marine microorganisms, obtaining a marine microorganism enrichment bacteria liquid and injecting the marine microorganism enrichment bacteria liquid into the gravity-type isolation and culture unit. The gravity-type isolation and culture unit is used for carrying out automatic streaking by means of gravity in the high-pressure environment to achieve solid isolation and culture of the marine microorganisms, such that culturability of the marine microorganisms is effectively improved.

Abstract: The present invention provides a device for single-cell high-throughput sorting in a marine in-situ environment. The device includes a pressure-resistant visual sorting cabin, an optical identification system and an automatic sorting system; a microorganism-containing bacteria liquid is injected into the pressure-resistant visual sorting cabin; the enriched microorganisms is dispersed and pass through a channel via a carrier chip disposed in the pressure-resistant visual sorting cabin; when the enriched microorganisms pass through the carrier chip, the microorganisms are observed and identified via the optical identification system; and the automatic sorting system automatically sorts the microorganisms according to a microorganism identification result. The present invention further provides a method for single-cell high-throughput sorting in the marine in-situ environment.

Abstract: A semiconductor structure includes a peripheral region and an array region. A substrate is provided. An active layer is provided in the substrate corresponding to the peripheral region. A word line groove is formed in the substrate corresponding to the array region. A word line is formed in the word line groove. The word line includes a first word line conductive layer and a second word line conductive layer with one stacked on another. A top of the first word line conductive layer is a protrusion. The protrusion protrudes along a direction pointing from the first word line conductive layer to the second word line conductive layer. An isolation layer covering the substrate is formed. A first through hole and a second through hole both penetrating through the isolation layer are formed simultaneously. The first through hole exposes the active layer. The second through hole exposes the protrusion.

Abstract: The present invention relates to a multi-capillary force curve averaging method based on the overall virtual measurement of a plurality of samples. The method includes the following steps: 1, taking m types of rock samples, obtaining a capillary force-saturation curve, an apparent volume and a porosity of each sample; 2, inspecting the quality of the capillary force-saturation curve of each sample and preprocessing the end points of each curve; 3, calculating an averaged wet phase saturation corresponding to different capillary force values of the plurality of samples under the overall virtual measurement of a plurality of samples; and 4, denoting data points on a graph by using the wet phase saturation as the abscissa and capillary force as the ordinate, and finally connecting all data points smoothly to obtain the averaged capillary force curve.

Abstract: The embodiment of the present invention discloses an anti-drowning safety alarm method and device for swimming pools. Acquiring images taken by multiple cameras; inputting the images into a target detection model to detect human bodies and heads, so as to obtain human body target detection boxes and human head target detection boxes; calculating the relationship between the human heads and the human bodies according to these boxes; performing multi-camera fusion on the human body target detection boxes and the human head target detection boxes to obtain the human body boxes and head boxes; determining the relative position relationship between the human bodies or the human heads and the water surface; calculating the correlation between the bounding box sequence at the current moment and that at the previous moment to obtain the human tracking trajectory; updating the state database; generating alarm information according to the state database.

Abstract: The embodiment of the present invention discloses an anti-drowning safety alarm method and device for swimming pools. Acquiring images taken by multiple cameras; inputting the images into a target detection model to detect human bodies and heads, so as to obtain human body target detection boxes and human head target detection boxes; calculating the relationship between the human heads and the human bodies according to these boxes; performing multi-camera fusion on the human body target detection boxes and the human head target detection boxes to obtain the human body boxes and head boxes; determining the relative position relationship between the human bodies or the human heads and the water surface; calculating the correlation between the bounding box sequence at the current moment and that at the previous moment to obtain the human tracking trajectory; updating the state database; generating alarm information according to the state database.

Abstract: A light-emitting device includes a semiconductor structure, a through hole, an electrical connecting structure, and a first electrode metal layer. The semiconductor structure has a first surface and a second surface, and includes a first-type semiconductor layer, a second-type semiconductor layer, and an active layer. The first surface is located on the first-type semiconductor layer, and the second surface is located on the second-type semiconductor layer. The through hole passes through the first-type semiconductor layer, the second-type semiconductor layer, and the active layer. The through hole has a first section, and the first-type semiconductor layer is exposed through the first section to electrically connect with the electrical connecting structure. A first angle between a side wall of the first type semiconductor layer that bounds the first section and the plane of the first surface ranges from 0° to 90°.

Abstract: The present invention discloses a method and device for studying fluid equilibrium distribution in heterogeneous oil and gas reservoirs. Firstly, a reservoir is divided into multiple layers according to permeability of the reservoir; a pressure-depth curve of formation water in surrounding rock is established; the pressure-depth curve of a non-wetting phase is made by passing through a point in the reservoir and taking a product of density and acceleration of gravity of the non-wetting phase as a slope; the pressure-depth curve of displacement pressure of the reservoir is added on the basis of the pressure-depth curve of the formation water; and the pressure-depth curve of the non-wetting phase is repeatedly compared with the pressure-depth curve of the displacement pressure to obtain static equilibrium distribution of fluid in the reservoir.

Abstract: The present invention relates to a multi-capillary force curve averaging method based on the overall virtual measurement of a plurality of samples. The method includes the following steps: 1, taking m types of rock samples, obtaining a capillary force-saturation curve, an apparent volume and a porosity of each sample; 2, inspecting the quality of the capillary force-saturation curve of each sample and preprocessing the end points of each curve; 3, calculating an averaged wet phase saturation corresponding to different capillary force values of the plurality of samples under the overall virtual measurement of a plurality of samples; and 4, denoting data points on a graph by using the wet phase saturation as the abscissa and capillary force as the ordinate, and finally connecting all data points smoothly to obtain the averaged capillary force curve.

Abstract: Techniques for data transmission involve obtaining respective data transmission characteristics of a set of to-be-processed data transmission jobs, the data transmission characteristics of each data transmission job indicating at least one of an expected transmission time and a data size of the data transmission job; determining corresponding weights of the set of data transmission jobs based on the data transmission characteristics of the set of data transmission jobs; and determining a transmission rate of each data transmission job based on the weights and a total transmission rate used for the set of data transmission. Accordingly, different transmission rates may be assigned to different data transmission jobs, thereby increasing a recovery point objective (RPO) completion rate before a failure occurs.

Abstract: Techniques test a storage system. Such techniques involve: acquiring a result of performing a first test on the storage system using a test case; if the result indicates that the storage system fails the first test, performing a second test on the storage system based on a problem of the storage system; and if the result indicates that the storage system passes the first test, determining a security level of the test case based on the result. Such techniques can effectively enhance test performance and system reliability of the storage system.