Abstract: The invention relates to a polymer comprising or essentially consisting of monomer units derived from ethylene, vinylacetate and optionally, a termonomer selected from glycidyl methacrylate, vinyl methacrylate, and maleic anhydride, wherein the weight content of monomer units derived from vinylacetate is greater than 50 wt.-%, relative to the total weight of the polymer. The polymer is useful for manufacturing a cathode for a battery cell. The invention further relates to a cathode of a battery cell comprising the polymer as well as to a composition comprising the polymer and ?-valerolactone.

Abstract: An aluminum alloy and a preparation method therefor, a die casting part, a welding component, and an electronic device are provided. Based on a total weight of the aluminum alloy, the aluminum alloy includes the following elements in weight percentage: 0.01% to 15% of La, 0.01% to 15% of Ce, 0.3% to 3% of Fe, 0.3% to 3.0% of Mn, and 0.01% to 0.5% of Zr, a sum of content of La and Ce is 3% to 15%, a remainder includes Al and inevitable impurities, and content of any impurity element in the inevitable impurities is less than 0.2%.

Abstract: A computer-implemented method at a centralized office (CO), where the CO is configured to operate a centralized radio access network (C-RAN) adapted for integrated sensing and communication (ISAC) and the C-RAN includes a distribution of active antenna units (AAUs) coupled via a network of optical fibers, is provided. Steps of the method are: sensing, based on distributed acoustic sensing (DAS) via the network of optical fibers, at least one sensing target to determine an approximate location thereof defined with reference to a section of at least one optical fiber in the network of optical fibers; activating, based on the approximate location, at least one AAU in the AAUs configured to communicate millimeter-wave (mmWave) signals for detecting the sensing target, where the at least one AAU is proximal to the approximate location; and sensing, based on the communicated mmWave signals, to determine a 3-dimensional position of the sensing target.

Abstract: A light-emitting diode (LED) includes a substrate, an epitaxial structure disposed on the substrate, and first and second electrode units disposed on the epitaxial structure. The first and second electrode units are electrically connected to first and second semiconductor layers of the epitaxial structure, respectively. A surface of the epitaxial structure opposite to the substrate has an operating zone to be pushed by an ejector pin during a packaging process. A projection of the second electrode unit on the substrate bypasses a projection of the operating zone on the substrate, and extends toward the first electrode unit.

Abstract: A system for implementing continuous co-phase flexible alternating current traction power supply and an operation mode therefor includes at least one flexible traction substation and neutral sections. Each flexible traction substation includes a first power inlet line and a second power inlet line, each of which is coupled to one end of a corresponding breaker, the other end of the corresponding breaker is coupled to a primary side of one traction transformer, and a secondary side of the traction transformer is coupled to a plurality of SPCs. SPCs corresponding to each set of traction transformer are coupled in parallel and coupled to a bus of the flexible traction substation through breakers. One feeder line is provided between the bus of the flexible traction substation and each of an up-track line and a down-track line of an overhead contact system, and each feeder line is provided with one up-to-net breaker thereon.

Abstract: The present disclosure provides a container testing equipment, specifically related to the field of analysis and testing, which includes: a conveying mechanism, and a rejection mechanism, a testing mechanism, and a driving mechanism provided on the conveying mechanism; the conveying mechanism for conveying containers to be tested; the rejection mechanism includes a container pushing device and a container holding device disposed opposite each other on both sides of the conveying mechanism, and the container pushing device is used to push the containers to be tested on the conveying mechanism into the container holding device when the working circuit is on. The present disclosure improves the efficiency and accuracy of container testing and greatly reduces the possibility of damage to the analyzing instrument due to over-high containers.

Abstract: A processing and buffering device compatible with various conveying lines is disclosed and includes a fixing and installation mechanism, a jacking component and a clamping component. The fixing and installation mechanism is used for fixing the processing and buffering device on a lateral side of a conveying line. The jacking component is disposed on the fixing and installation mechanism, and includes a jacking cylinder and a connection element, wherein the jacking component is allowed moving up and down in a vertical direction under the action of the jacking cylinder. The clamping component is disposed on the fixing and installation mechanism, connected to the jacking component through the connection element, and includes a horizontal displacement cylinder and two clamping elements. The clamping component is driven by the jacking component to move. The clamping elements are driven by a horizontal displacement cylinder to perform a clamping operation or a releasing operation.

Abstract: A multi-sector data correction method for gamma imaging while drilling includes the steps of: (a) dividing each gamma imaging sector into a plurality of counting zones; (b) counting a number of valid counting pulses for each counting zone at a predetermined time interval during MWD; (c) constructing a plurality of measurement vectors based on a value of recording times of each counting zone; (d) establishing a correction matrix with a conditional number less than a set value through an optimization algorithm; and (e) calculating a gamma intensity of each measured sector with the plurality of measurement vectors and the correction matrix as constructed, so as to complete the correction on the measurement data of each measured sector for each predetermined time interval. This method eliminate problems such as rotational measurement distortion of the gamma imaging while drilling tool and improve the accuracy of calculating the formation dip angle.

Abstract: The present disclosure provides a light-emitting diode chip, which includes a substrate, an epitaxial structure, an electrode metal layer, and a eutectic metal layer. The eutectic metal layer has an elongation greater than that of the electrode metal layer, and a hardness less than that of the electrode metal layer.

Abstract: The present disclosure provides a drying device, a drying system, a drying method and a synthetic reaction system. The drying device is used for processing a sample in a sample container and comprises a drying assembly and a first casing, wherein the drying assembly is provided inside the first casing, the sample container is placed inside the first casing, and the drying assembly is located above the sample container; the drying assembly comprises a drying pipe assembly, which comprises a gas channel, a first liquid channel and a liquid guide channel. The present disclosure may improve the drying effectiveness and efficiency, and avoid cross contamination at the same time.

Abstract: The present disclosure provides a container testing equipment, specifically related to the field of analysis and testing, which includes: a conveying mechanism, and a rejection mechanism, a testing mechanism, and a driving mechanism provided on the conveying mechanism; the conveying mechanism for conveying containers to be tested; the rejection mechanism includes a container pushing device and a container holding device disposed opposite each other on both sides of the conveying mechanism, and the container pushing device is used to push the containers to be tested on the conveying mechanism into the container holding device when the working circuit is on. The present disclosure improves the efficiency and accuracy of container testing and greatly reduces the possibility of damage to the analyzing instrument due to over-high containers.

Abstract: The present disclosure provides a container testing equipment, specifically related to the field of analysis and testing, which includes: a conveying mechanism, and a rejection mechanism, a testing mechanism, and a driving mechanism provided on the conveying mechanism; the conveying mechanism for conveying containers to be tested; the rejection mechanism includes a container pushing device and a container holding device disposed opposite each other on both sides of the conveying mechanism, and the container pushing device is used to push the containers to be tested on the conveying mechanism into the container holding device when the working circuit is on. The present disclosure improves the efficiency and accuracy of container testing and greatly reduces the possibility of damage to the analyzing instrument due to over-high containers.

Abstract: The present disclosure provides an oscillating equipment, specifically related to the technical field of automation equipment. The oscillating equipment comprises a base comprising a guide structure provided along a first direction, a clamping mechanism, provided on the guide structure for clamping a container holding a reagent to be processed, a drive mechanism that is provided on a base and connected to the clamping mechanism via a first connecting rod, and a control mechanism, which is connected to the drive mechanism, for controlling the drive mechanism to work.

Abstract: The present disclosure proposes a laboratory material conveying device, a conveying belt device and an equipment, the laboratory material conveying device comprising a vertical lifting mechanism, a first rotating mechanism and a first horizontal conveying mechanism, the first horizontal conveying mechanism being provided on the first rotating mechanism, the first rotating mechanism being mounted on the vertical lifting mechanism, the first horizontal conveying mechanism being placed on the carrier, and the carrier is provided with a holding space for holding the material to be conveyed.

Abstract: A light-emitting diode (LED) includes a substrate, an epitaxial structure disposed on the substrate, and first and second electrode units disposed on the epitaxial structure. The first and second electrode units are electrically connected to first and second semiconductor layers of the epitaxial structure, respectively. A surface of the epitaxial structure opposite to the substrate has an operating zone to be pushed by an ejector pin during a packaging process. A projection of the second electrode unit on the substrate bypasses a projection of the operating zone on the substrate, and extends toward the first electrode unit.

Abstract: The invention discloses an inner/outer wall cleaning mechanism for a pipetting needle and a pipetting needle assembly, which comprises: an inner wall cleaning pipe; which is connected at one end to the upper part of the pipetting needle and the other end of which is connected to the injection device; an outer wall cleaning pipe; which is connected at one end to the liquid guide and the other end of which is connected to the injection device; the liquid guide; liquid inlets arranged on both sides, a liquid outlet and an outer wall cleaning flow passage hole arranged in the liquid guide, one end of the liquid inlet being connected to the outer wall cleaning pipe, the other end of the liquid inlet being connected to one end of the liquid outlet, and the other end of the liquid outlet being connected to the outer wall cleaning flow passage hole.

Abstract: The embodiments of the present application provide a control system for a conveying line, a conveying line and a control method for a conveying line, the conveying line includes at least one conveying unit, the control system includes: at least one unit controller, a general controller and an upper computer, the unit controller one-to-one corresponds to the conveying unit, the unit controller is fixed in the corresponding conveying unit, the upper computer generates conveying path data according to a material conveying requirement and layout data of the conveying unit, the general controller is configured to receive the conveying path data, and is further configured to receive material location data sent by the unit controller and generate a control instruction for the unit controller according to the material location data and the conveying path data, and the unit controller controls the conveying unit according to the control instruction.

Abstract: The present disclosure provides a light-emitting diode chip, which includes a substrate, an epitaxial structure, an electrode metal layer, and a eutectic metal layer. The eutectic metal layer has an elongation greater than that of the electrode metal layer, and a hardness less than that of the electrode metal layer.