Abstract: A diffusive gradients in thin films (DGT) test device for lake water, including: a floating ball and a plurality of water sampling units. A DGT detection device, a water quality detection device with a multi-parameter probe, and a water sampling device are disposed in each of the water sampling units. The water sampling device includes: a plurality of sampling bottles, each of the sampling bottles is provided with an inlet pipe and an exhaust pipe, each of the inlet pipes and exhaust pipes is provided with a one-way solenoid valve; a peristaltic pump, a water sample outlet of the peristaltic pump communicates with the inlet pipes of the plurality of sampling bottles via a multi-way connector; the exhaust pipes of the plurality of sampling bottles are connected to an exhaust manifold via a multi-way connector; a control device connected with the peristaltic pump and each of the one-way solenoid valves.

Abstract: The present invention discloses a novel high-temperature visual acid etching test device and method; the test device includes a visual rock slab holder, an acid solution storage tank I, an acid solution storage tank II, a heating apparatus, a high-pressure water pump, a low-pressure acid pump, a back-pressure valve, an acid valve A, an acid valve B, an acid valve C, an acid valve D, an acid valve E, an acid valve F, a water valve G, a water valve H, a water valve I, a water valve J, and a water valve K; both the acid solution storage tank I and the acid solution storage tank II are provided with a piston therein, where the acid solution storage tank is divided into upper and lower independent parts by the piston. According to the present invention, the flowing process of an acid solution in a fracture can be directly observed to accurately characterize the distribution of the acid solution in the fracture, which facilitates a study on an acid etching mechanism.

Abstract: Systems and methods are disclosed herein that relate to Quality of Service (QoS) mapping in a cellular communications system that operates as a Time Sensitive Networking (TSN) bridge. In one embodiment, a method of operation of a Session Management Function (SMF) in a cellular communications system that operates as a bridge for a TSN system comprises obtaining a QoS mapping table that maps TSN traffic classes to QoS flows within the cellular communications system and distributing at least a part of the QoS mapping table to a User Plane Function (UPF) or a TSN Translator (TT) at the UPF side. In this manner, QoS mapping is provided. Corresponding embodiments of an SMF and a network node that implements an SMF are also disclosed. Embodiments of method of operation of an Application Function (AF) and corresponding embodiments of an AF and a network node that implements an AF are also disclosed.

Abstract: Systems and methods are disclosed herein for output pacing in a cellular communications system that serves as a virtual Time-Sensitive Networking (TSN) node in a TSN network. In some embodiments, a method of operation of a boundary node associated with a cellular communications system that operates as a virtual TSN node in a TSN network comprises receiving user plane traffic from a node in the cellular communications system. The user plane traffic is user plane traffic received by the cellular communications system from a previous hop TSN node. The method further comprises performing output pacing for the user plane traffic when outputting the user plane traffic to a next hop TSN node such that the user plane traffic is output to the next hop TSN node at a rate that matches a desired rate at the next hop TSN node. Corresponding embodiments of a boundary node are also disclosed.

Abstract: A refrigeration system and a refrigeration device are provided. The refrigeration system includes a circulation circuit. The circulation circuit includes a main flow path, and a first branch and a second branch that are connected to the main flow path and are connected in parallel. The main flow path is provided with a condenser and a compressor. The condenser has an output end in communication with an end of the first branch and an end of the second branch. The compressor has two suction holes in communication with another end of the first branch and another end of the second branch, respectively. The first branch and the second branch are provided with a first evaporator and a second evaporator, respectively.

Abstract: Systems and methods related to conveying Time Sensitive Networking (TSN) synchronization information within a cellular communication system (e.g., a Fifth Generation System (5GS)) are disclosed. In one embodiment, a method performed by a User Equipment (UE) in a cellular communications system or a TSN Translator (TT) associated with the UE comprises receiving, from a TSN end station, a Precision Time Protocol (PTP) or generalized PTP (gPTP) announce message comprising information that identifies one or more clock domains for which the TSN end station desires to receive PTP or gPTP messages. The method further comprises sending, to a core network node in the cellular communications system, either: (a) the information that identifies the one or more clock domains extracted from the PTP or gPTP announce message or (b) the PTP or gPTP announce message. Using this information, UE specific PTP or gPTP message filtering may be applied.

Abstract: The present invention relates to a group of IMB-C5 series compounds having anti-coronavirus activity and the application thereof. The structure of the IMB-C5 series compounds is as shown in formula (1). The application is an application of the IMB-C5 series compounds in preparing a drug. The drug is a drug for inhibiting coronavirus, and is preferably a drug for treating human coronavirus infection. The coronavirus is preferably human ?-coronavirus or human ?-coronavirus, especially novel coronavirus (SARS-COV-2).

Abstract: This application provides a spread spectrum clock negotiation method, and a peripheral component interconnect express device and system, to implement dynamic negotiation between a transmit end and a receive end on an SSC capability in the peripheral component interconnect express system. The method includes: A second PCIe device generates first indication information, where the first indication information is used to indicate whether the second PCIe device has a spread spectrum clock capability. The second PCIe device sends the first indication information to a first PCIe device. The first PCIe device determines, based on the first indication information, whether to perform spread spectrum clock on a reference clock of the first PCIe device.

Abstract: Methods and apparatuses for logical time sensitive network (TSN) bridge are disclosed. According to an embodiment, a session management node receives, from a mobility management node in a mobile network, a first request for establishing a protocol data unit (PDU) session for a terminal device which is associated with a port of a logical TSN bridge. The session management node obtains a first port number of the logical TSN bridge at the side of the terminal device. The session management node obtains configuration information of the logical TSN bridge at a side of a user plane node corresponding to the PDU session.

Abstract: A hot melt adhesive composition comprises a combination of polymers including a low molecular weight semicrystalline propylene based polymer and a high molecular weight essentially amorphous propylene based polymer, both of which are prepared by using single-site catalysts, along with a wax, a hydrogenated styrene block copolymer, a tackifier, and a plasticizer. The composition has suitable viscosity ranging from 500 cP to 40,000 cP at 177° C. and is useful for a variety of industrial applications where bonding of low surface energy substrates and elastic substrates is encountered, including disposable nonwoven hygienic articles. The cooled adhesive in the laminate does not feel hard but instead has a soft feel, even though the adhesive demonstrates a relatively high Shore A hardness.

Abstract: The invention relates to a ?LED light-emitting and display device with single-ended electrical contact and single-ended carrier injection, and a manufacturing method of the ?LED light-emitting and display device. The ?LED light-emitting and display device comprises more than one pixel unit, and each pixel unit sequentially comprises a lower pixel electrode, ?LED chips, an insulating layer, and an upper pixel electrode from bottom to top, wherein the ?LED chips directly contact with the lower pixel electrode, external carriers are injected into the ?LED chips through the lower pixel electrode, the insulating layer prevents the external carriers from being injected into the ?LED chips through the upper pixel electrode, and the ?LED chips are lit by an alternating electric field applied between the upper pixel electrode and the lower pixel electrode. The invention avoids the complicated bonding process, and is expected to improve the market competitiveness of the ?LED light-emitting and display device.

Abstract: The present invention provides a quick-injection grease filling device, which features including an oil cup, a detachable guide seat, a screw, a piston, an oppression part and a rotating drive part. The piston is held inside the oil tank, capable of moving upward and downward. The piston has an oppression surface and a bearing placement surface. The detachable guide seat includes a combination part and a screw hole, and the combination part is attached to the cup mouth through a detachable assembly unit. The inner end of the screw extends into the oil cup, and the outward extending end extends out of the cup mouth. The rotation driving part is arranged on the outward extending end. The oppression part can move forward and backward along with the screw. The oppression part is used to press against the bearing.

Abstract: Methods and apparatuses for a 5G System (5GS) (20) support dynamic and semi-dynamic VLAN configuration for Ethernet bridging services provided by the 5GS. The 5GS (20) includes a node that is configured to receive and store VLAN configuration information for a CE (12). Particularly, the VLAN configuration information, which comprises a single predefined VLAN ID (VID) or a list of non-predefined VIDs or a single non-predefined VID, may be stored advantageously within 5G Virtual Network (VN) Group Data and indicates whether the UE (12) acts as an Ethernet trunk port or access port. With respect to the 5GS (20) establishing or modifying an Ethernet PDU session for the UE (12), a UPF (22) of the 5GS (20) configures Ethernet bridging operations for the UE as an access port or a trunk port, in dependence on the VLAN configuration information.

Abstract: The present invention discloses a Fe—Al-based metal membrane and preparation method thereof, which relate to the technical field concerning gas-solid separation under high-temperature, low-pressure working conditions, and mainly address the defects of conventional metal filter elements in the prior art such as high filtration resistance and low flux under low-pressure working environments. The preparation method of the present invention comprises the steps of: stirring and defoaming a mixture composed of a Fe—Al-based metal powder and an organic-additive-added water-based solvent, thus obtaining a cast slurry; casting a uniform membrane layer on a metal substrate layer having a required thickness on a casting machine, and performing drying treatment on it, thus obtaining a membrane green body; and, placing the dried membrane green body in a sintering furnace for degreasing, sintering, and alloy phase ordering treatments, respectively, thus obtain a prepared Fe—Al-based metal membrane.

Abstract: A manufacturing method is provided. The method includes steps below. Forming bottom electrodes. Blanketly forming a resistance switching layer on the bottom electrodes. Forming a first insulating material layer on the resistance switching layer. Patterning the first insulating material layer to form insulating patterns. Conformally forming a channel layer having a plurality of channel regions on the resistance switching layer and the insulating patterns, wherein the plurality of channel regions are located on the resistance switching layer and cover opposite sides of the insulating patterns. Forming a second electrode material layer on the channel layer. Patterning the second electrode material layer to form top electrodes, each of the top electrodes is located in corresponding to one of the insulating patterns and covers at least two of the plurality of channel regions.

Abstract: The present disclosure relates to compounds for RNA capping and uses thereof, which belong to the technical field of genetic engineering. Compounds of formula I can result in high levels of capping efficiency, and the capped mRNA exhibits a high transcription level and increased expression.

Abstract: Provided in the present application are a magnetic resonance imaging system, a positioning method of an implant therefor, and a non-transitory computer-readable storage medium. The positioning method of the implant for the magnetic resonance imaging system includes: executing a first scanning sequence to obtain original image data and reconstructing an edge image of the implant on the basis of the original image data. The first scanning sequence includes: a radio frequency excitation pulse and a first layer selection gradient pulse corresponding to the radio frequency excitation pulse, the frequency of the radio frequency excitation pulse having a preset offset relative to a center frequency; and a radio frequency refocusing pulse and a second layer selection gradient pulse corresponding to the radio frequency refocusing pulse, the direction of the second layer selection gradient pulse being opposite to the direction of the first layer selection gradient pulse.