Abstract: Disclosed are an information processing method and apparatus, a cloud terminal device, a cloud server, and a storage medium. The information processing method is applied to an information processing apparatus and includes: receiving first cloud desktop information sent by a cloud terminal device, wherein the first cloud desktop information is one of remaining pieces of cloud desktop information to be processed after the cloud terminal device selects second cloud desktop information from a plurality of pieces of cloud desktop information to be processed, and the plurality of pieces of cloud desktop information to be processed are sent by a cloud server to the cloud terminal device according to an information acquisition request sent by the cloud terminal device; performing signal form conversion on the first cloud desktop information to obtain first display information; and performing display processing on the first display information.

Abstract: The present application provides a current collector, electrode plate, cell, battery, device, manufacturing method, and apparatus. The current collector includes a conductive layer and a support layer, wherein the conducive layer is provided on a surface of the support layer, and the support layer includes an insulating base and a support structure embedded in the insulating base to enhance strength of the support layer, which not only increases an overall strength of the current collector and can improve the problem of tape breakage during processing, but also allows strength of the support layer to be close to strength of the conductive layer, narrowing the gap in structural strength between the support layer and the conductive layer, and reducing the difference in deformation between the conductive layer and the support layer during processing, so that it is conducive to improving processing performance of the current collector.

Abstract: Provided are a database processing method and apparatus, and a computer readable storage medium. The database processing method comprises: after a lock wait is generated, writing lock wait related information into a lock wait log.

Abstract: Disclosed in embodiments of the present disclosure are methods and apparatuses for realizing a globally unique index, which are applicable to a distributed database. One of the methods includes: receiving a structured query language, SQL, request, obtaining a conflict detection SQL statement corresponding to the SQL request and calculating an expected value; issuing the conflict detection SQL statement to each database node for execution; obtaining an execution result of the conflict detection SQL statement, and comparing the execution result of the conflict detection SQL statement with the expected value; and when the execution result of the conflict detection SQL statement is less than or equal to the expected value, processing an original SQL statement of the SQL request, and issuing the original SQL statement to the each database node for execution.

Abstract: Embodiments of the present application provide a charging and discharging device. The charging and discharging device includes an AC/DC converter, a first DC/DC converter, a second DC/DC converter and a control unit. The control unit is used to: receive a first charging request, the first charging request including a first charging voltage and a first charging current; set output power of the first DC/DC converter based on the first charging voltage and the first charging current; turn on the second DC/DC converter if an SOC of the energy storage unit is greater than a first threshold to charge the battery by the energy storage unit; and adjust output power of the second DC/DC converter, so as to enable a voltage difference between a bus voltage and a bus balance voltage of the charging and discharging device to be less than or equal to a preset value.

Abstract: Embodiments of the present application provide a charging and discharging device. The charging and discharging device includes an AC/DC converter, a first DC/DC converter, a second DC/DC converter and a control unit. The control unit is used to: receive a first charging request, the first charging request including a first charging voltage and a first charging current; set output power of the first DC/DC converter based on the first charging voltage and the first charging current; turn on the second DC/DC converter if an SOC of the energy storage unit is greater than a first threshold to charge the battery by the energy storage unit; and adjust output power of the second DC/DC converter, so as to enable a voltage difference between a bus voltage and a bus balance voltage of the charging and discharging device to be less than or equal to a preset value.

Abstract: Disclosed in embodiments of the present disclosure are methods and apparatuses for realizing a globally unique index, which are applicable to a distributed database. One of the methods includes: receiving a structured query language, SQL, request, obtaining a conflict detection SQL statement corresponding to the SQL request and calculating an expected value; issuing the conflict detection SQL statement to each database node for execution; obtaining an execution result of the conflict detection SQL statement, and comparing the execution result of the conflict detection SQL statement with the expected value; and when the execution result of the conflict detection SQL statement is less than or equal to the expected value, processing an original SQL statement of the SQL request, and issuing the original SQL statement to the each database node for execution.

Abstract: Provided are a database processing method and apparatus, and a computer readable storage medium. The database processing method comprises: after a lock wait is generated, writing lock wait related information into a lock wait log.

Abstract: A virtual machine backup method based on a cloud platform data center, comprising: creating an internal snapshot on the basis of a disk mirror image of a virtual machine of the cloud platform data center; and obtaining disk backup data of the virtual machine on the basis of the internal snapshot. The present invention may support rapid recovery of the virtual machine under various failure scenarios in the cloud platform data center.

Abstract: An nucleic acid integrated detection reagent tube is provided, it includes a main tube and one or more branch tubes, wherein a lysing zone, a cleaning zone and a plurality of separation plugs comprising at least a least a separation plug and a second separation plug which are sequentially disposed, the first separation plug is used for separating the lysing zone and the cleaning zone, a reaction zone is provided in the branch tubes and the second separation plug is positioned at a connection between the branch tubes and the main tube or inside the branch tubes; hydrophobic layers in a liquid or a solid phase disposed at each of the plurality of separation plugs; and a magnetic bead channel for magnetically carrying the nucleic acid to sequentially pass through each hydrophobic layer penetrating to the branch tubes defined in an inner wall of the detection reagent tube.

Abstract: An nucleic acid integrated detection method is provided, the method includes separating a lysis solution, a cleaning solution and a reaction solution in a detection reagent tube by providing a plurality of separation plugs in an over-under arrangement and disposing a hydrophobic layer in liquid or solid phase on each separation plug; adding a sample into the lysis solution; extracting nucleic acid in the sample using magnetic nanobeads; and then driving the magnetic nanobeads carrying the nucleic acid to sequentially pass through each hydrophobic layer along a magnetic bead channel and into the cleaning solution and the reaction solution to realize a cleaning and amplification for the nucleic acid, and finally, detecting the nucleic acid of the sample by an external device using an optical detection method, thus realizing a plurality of steps of nucleic acid extraction, cleaning and amplification reactions in the same detection reagent tube.

Abstract: A nucleic acid integrated detection method and detection reagent tube are provided, separating a lysis solution, a cleaning solution and a reaction solution in a detection reagent tube by providing a plurality of separation plugs in an over-under arrangement and disposing a hydrophobic layer in liquid or solid phase on each separation plug; adding a sample into the lysis solution; extracting nucleic acid in the sample using magnetic nanobeads; and then driving the magnetic nanobeads carrying the nucleic acid to sequentially pass through each hydrophobic layer along a magnetic bead channel and into the cleaning solution and the reaction solution to realize a cleaning and amplification for the nucleic acid, and finally, detecting the nucleic acid of the sample by an external device using an optical detection method, thus realizing a plurality of steps of nucleic acid extraction, cleaning and amplification reactions in the same detection reagent tube.

Abstract: A nucleic acid integrated detection method and detection reagent tube are provided, separating a lysis solution, a cleaning solution and a reaction solution in a detection reagent tube by providing a plurality of separation plugs in an over-under arrangement and disposing a hydrophobic layer in liquid or solid phase on each separation plug; adding a sample into the lysis solution; extracting nucleic acid in the sample using magnetic nanobeads; and then driving the magnetic nanobeads carrying the nucleic acid to sequentially pass through each hydrophobic layer along a magnetic bead channel and into the cleaning solution and the reaction solution to realize a cleaning and amplification for the nucleic acid, and finally, detecting the nucleic acid of the sample by an external device using an optical detection method, thus realizing a plurality of steps of nucleic acid extraction, cleaning and amplification reactions in the same detection reagent tube.

Abstract: An electromagnetic clutch of a brushless control-by-wire centrifugal ball arm engagement device includes a brushless electromagnet, a thrust pressing disc, a driven inner-spline hub, a control-by-wire drive disc, a centrifugal ball arm hollow disc, centrifugal ball arm pins, centrifugal ball arms, centrifugal balls, a magnetic conductive force transmitting disk, a drive shaft; once the brushless electromagnet is energized, the centrifugal ball arms and the centrifugal balls each make a circular motion around the centrifugal ball arm pin outwardly along the smooth surface of the thrust pressing disc by the action of centrifugal force produced by them when rotating with high speed. The component of the centrifugal force in the direction of the central axis of the centrifugal ball arm hollow disc drives the thrust pressing disc to compress the outer-spline-groove steel sheets and the inner-spline-groove friction discs with each other, which makes the clutch engaged.

Abstract: This invention relates to a foaming composition, comprising at least one ethylene-vinyl acetate (EVA) copolymer; at least one foaming agent; at least one peroxide compound; at least one polyamine; at least one crosslinking enhancer; at least one primary antioxidant; and at least one secondary antioxidant; the content of the crosslinking enhancer is from 0.1 to 3% by weight based on the total weight of the composition. A foaming article cured from the foaming composition under the temperature range of 80 to 120° C. according to the present invention exhibits high initial volume expansion ratio at the baking window from 130 to 200° C. and shows excellent stability after storage.

Abstract: An angle adjustment tool, an angle adjustment system for a liquid crystal panel and a corresponding line defect analysis method are disclosed. The angle adjustment tool includes: a base; a first toothed member and a second toothed member; a rotating scale; and an angle indicator. The first toothed member includes a first toothed portion. A first end of the second toothed member has a second toothed portion and engages with the first toothed portion of the first toothed member, and a second end of the second toothed member is connected to the rotating scale; the second toothed member is pivotable about a central pivot axis of the second toothed portion. A pitch circle diameter of the second toothed portion is n times a pitch circle diameter of the first toothed portion, where n is a positive integer greater than or equal to 2.

Abstract: The present invention discloses an electromagnetic clutch of a brushless control-by-wire centrifugal ball arm engagement device, which comprises a brushless electromagnet, a thrust pressing disc, a driven inner-spline hub, a control-by-wire drive disc, a centrifugal ball arm hollow disc, centrifugal ball arm pins, centrifugal ball arms, centrifugal balls, a magnetic conductive force transmitting disk, a drive shaft; once the brushless electromagnet is energized, the centrifugal ball arms and the centrifugal balls each make a circular motion around the centrifugal ball arm pin outwardly along the smooth surface of the thrust pressing disc by the action of centrifugal force produced by them when rotating with high speed. The component of the centrifugal force in the direction of the central axis of the centrifugal ball arm hollow disc drives the thrust pressing disc to compress the outer-spline-groove steel sheets and the inner-spline-groove friction discs with each other, which makes the clutch engaged.

Abstract: An angle adjustment tool, an angle adjustment system for a liquid crystal panel and a corresponding line defect analysis method are disclosed. The angle adjustment tool includes: a base; a first toothed member and a second toothed member; a rotating scale; and an angle indicator. The first toothed member includes a first toothed portion. A first end of the second toothed member has a second toothed portion and engages with the first toothed portion of the first toothed member, and a second end of the second toothed member is connected to the rotating scale; the second toothed member is pivotable about a central pivot axis of the second toothed portion. A pitch circle diameter of the second toothed portion is n times a pitch circle diameter of the first toothed portion, where n is a positive integer greater than or equal to 2.

Abstract: An electrical connector (100) includes an insulative housing (1) having a base (11) and a tongue plate (12) protruding beyond the base (11); a set of contacts (2) having contacting portions (26) arranged in one row along one side of the tongue plate (12), the contacts (2) consisting of a first type of grounding contacts (G) and a second type of a set of pairs of differential contacts (24, 23, 22, 21), the differential contacts comprising a first pair of differential contacts (24) for bi-directionally transmitting data and a second pair of differential contacts (23) for unidirectionally transmitting data, in the contacting portions (26), the grounding contacts having at least two grounding contacts (G1, G2) arranged between the first pair of differential contacts (24) and the second pair of differential contacts (23); and a metal shell (3) covering the insulative housing (1) and having a receiving space (30) for the tongue plate (12) extending into.

Abstract: An optical fiber decoration device has various merits: small power consumption, no danger of fire, simple water-proof design and economical, battery can be used, excellent portability, long service life of light source, and no danger of destruction during transportation. The optical fiber decoration device is characterized by having an LED light source consisting of a plurality of LED's which are arranged at an end of optical fiber for emitting one or more colors and partially superimposed, enabling synthesis of colors. In FIG. 1, the optical fiber decoration device (I) includes an LED light source unit (2) and an optical fiber (1a). The distance L between the LED light source (2) and the optical fiber is 5 to 100 mm. Red, blue, and green LED's are used to realize multiple colors. The optical fiber decoration device can be used for signboards, outdoor decorations, bus advertisement, indoor decorations, decorations in an aquarium, unit type Christmas trees, clothes, and the like.