Abstract: A multi-procedure integrated automatic production line for hard alloy blades under robot control is provided. The production line includes a rail-guided robot. A cutter passivation device and a blade cleaning and drying device are arranged on one side of the rail-guided robot. A blade-coating transfer table, a blade coating device, a blade boxing transfer table, a blade-tooling dismounting device and a blade boxing device are sequentially arranged on another side of the rail-guided robot. The blade-tooling dismounting device is arranged on one side of the blade boxing transfer table. The production line further includes squirrel-cage toolings for carrying the blades. The squirrel-cage tooling that are loaded with the blades can run among the cutter passivation device, the blade cleaning and drying device, the blade-coating transfer table and the blade boxing transfer table. The blades after being treated through the blade-tooling dismounting device are sent to the blade boxing device.

Abstract: The present invention belongs to the field of petrochemical industry, and discloses a method for selective hydrogenation of butadiene extraction tail gas and a selective hydrogenation apparatus thereof.

Abstract: The disclosure provides an ultrasonic signal detection circuit including a sensing circuit, a unidirectional conduction circuit and a source follower circuit. The sensing circuit is connected to an input terminal of the source follower circuit through the unidirectional conduction circuit; the sensing circuit is configured to generate a piezoelectric signal according to a received ultrasonic echo signal and output the piezoelectric signal to the unidirectional conduction circuit. The piezoelectric signal is an alternating current signal; the unidirectional conduction circuit is configured to rectify the alternating current signal to only allow a forward or a reverse current portion thereof to pass through. The forward/reverse current portion charges/discharges the input terminal of the source follower circuit after passing through the unidirectional conduction circuit.

Abstract: An example method of diagnosing remote sites of a distributed container orchestration system includes: receiving, at a management cluster, definition of a test suite custom resource; deploying, in response to the test suite custom resource, a first pod in the management cluster; deploying, by the first pod, a second pod in a server of a first remote site of the remote sites; checking, by the second pod, configuration of the server that includes an additional pod executing alongside the second pod, at least one virtual machine (VM) in which the second pod and the additional pod execute, a hypervisor configured to support the at least one VM, and a hardware platform on which the hypervisor executes; and returning test data from the second pod to the first pod, the test data including results of the step of checking the configuration of the server.

Abstract: The disclosure provides an approach for simulating a virtual environment. A method includes simulating, using a virtualization simulator, a plurality of hosts; simulating, using the virtualization simulator, a plurality of virtual computing instances (VCIs) associated with the plurality of simulated hosts, based on information obtained from a cluster application programming interface (API) provider; creating, using a virtualization simulator operator, one or more node simulator schedulers; creating, using the one or more node schedulers, a node simulator; simulating, using the node simulator, a plurality of guest operating systems (OSs) associated with the plurality of simulated VCIs; and joining the plurality of simulated guest OSs to one or more node clusters in a data center via an API server.

Abstract: Example methods and systems for cluster add-on lifecycle management are described. In one example, a computer system may obtain cluster add-on definition information specifying multiple add-ons that are each capable of extending functionality of at least a first cluster and a second cluster. In response to receiving a first instruction to perform a first management action, a first validation operation may be performed based on the cluster add-on definition information and multiple first configuration values associated the multiple first configuration fields. In response to receiving a second instruction to perform a second management action associated with the second add-on, a second validation operation may be performed based on the cluster add-on definition information and multiple second configuration values associated the multiple second configuration fields. The first/second management action may be performed in response to determination that the first/second validation operation is successful.

Abstract: Example methods and systems for cluster add-on lifecycle management are described. In one example, a computer system may obtain cluster add-on definition information specifying multiple add-ons that are each capable of extending functionality of at least a first cluster and a second cluster. User interface(s) may be generated based on the cluster add-on definition information to allow a user to request for a management action associated. In response to receiving a first request for a first management action associated with the first add-on, a first instruction may be generated and sent to cause the first management action to be performed in the first cluster. In response to receiving a second request for a second management action associated with the second add-on, a second instruction may be generated and sent to cause the second management action to be performed in the first cluster or the second cluster.

Abstract: An example method of upgrading remote sites of a distributed container orchestration system includes: deploying, by upgrade software executing in a data center remote from the remote sites, a second container orchestration (CO) control plane executing concurrently with a first CO control plane, the second CO control plane having a second version different than a first version of the first CO control plane, the first CO control plane initially managing all of the remote sites; upgrading, by the upgrade software, CO support software of a first portion of the remote sites; adding, by the upgrade software, the first portion of the remote sites to a second CO cluster managed by the second CO control plane; and removing, by the upgrade software, the first portion of the remote sites from a first CO cluster managed by the first CO control plane.

Abstract: An example method of propagating fault domain topology information in a distributed container orchestration system includes: receiving, at control plane software executing in a data center, the fault domain topology, which includes tags for a protection group and fault domains for remote sites in communication with the data center; deploying, by a master server of the distributed container orchestration system that executes in the data center, a node pool comprising virtual machines (VMs) executing in servers of the remote sites, the VMs being nodes of the distributed container orchestration system in which containers execute; determining, by a controller of the master server, relationships among the VMs, the servers, the protection group, and the fault domains based on state of resources maintained by the master server; and providing, by the controller, labels to the servers for associating the tags of the protection group and the fault domains to the VMs.

Abstract: An example method of updating device firmware in a distributed container orchestration system includes: receiving, at a master server executing in a data center, a definition for a firmware custom resource; obtaining, by an operator of the master server in response to the firmware custom resource, a firmware file set; providing, from the operator to a plurality of remote sites in communication with the data center, the firmware file set; and executing, by servers at the plurality of remote sites, updates of firmware for devices of the servers.

Abstract: This disclosure is directed to a simulation system that verifies functionality and performance of an automated telecommunication cloud platform (“TCP”) which is used to configure hosts of cell sites and a mobile core of a 5G cellular network. The mock hosts are created with a required virtualization platform inventory of objects for implementing a 5G cellular network and registers the mock hosts with a mock centralized server management platform (“mock VC”). The mock hosts are used to simulate hosts of cell sites and a mobile core of a 5G cellular network using features of the TCP. Scale tests are used to verify functionality and performance of the TCP are performed on the mock hosts without any changes to the TCP.

Abstract: An ESPI-based method and device for enhancing server security, including: S100, a Complex Programmable Logic Device (CPLD) monitors packet formats and instructions on an Enhanced Serial Peripheral Interface (ESPI) bus; S200, when the CPLD monitors an abnormal firmware Flash read/write operation, the CPLD records operation-related records in a Flash which is mounted to the CPLD; S300, the CPLD lights a Light-Emitting Diode (LED) corresponding to a system error signal line or a LED corresponding to a Baseboard Management Controller (BMC) error signal line; S400, the CPLD determines whether to take over a CS0 signal or not; S500, when the CPLD determines to take over the CS0 signal, the CPLD requests to interact with a Platform Controller Hub (PCH) and warns of a system security issue.

Abstract: The present invention relates to a connection device of a high-voltage power supply and an X-ray tube, and a corresponding X-ray source. The connection device comprises a first connecting unit a second connecting unit, the first connecting unit is mounted on a high-voltage power supply and connects a high-voltage power output terminal of the high-voltage power supply, and the second connecting unit is mounted on an X-ray tube and connects a cathode of the X-ray tube. By mounting the first connecting unit and the second connecting unit on the high-voltage power supply and the X-ray tube, and detachably plugging said units together, the high-voltage power supply and the X-ray tube can be connected together. Moreover, the high-voltage power supply and the X-ray tube can be separated so that disassembly for repair can be carried out when any one of the high-voltage power supply and the X-ray tube is faulty.

Abstract: The present disclosure provides example computer-implemented method, medium, and system for managing IP addresses for DPDK enabled network interfaces for cloud native pods. One example method includes creating a pod of one or more containers, where the pod connects to multiple networks through multiple network interfaces. A poll mode driver (PMD) is attached to a first network interface of the multiple network interfaces, where the PMD enables one or more data plane development kit (DPDK) applications inside the pod to manage the first network interface. A first container network interface (CNI) is created to handle the DPDK enabled first network interface. A first Internet protocol (IP) address is allocated to the first network interface using the first CNI. The first IP address is passed to the one or more DPDK applications using the first CNI.

Abstract: A computer-implemented method, medium, and system for upgrade of telco node cluster running cloud-native network functions are disclosed. In one computer-implemented method, a worker node group that includes a plurality of worker nodes is determined in a container orchestration platform. A first node to upgrade is determined within the worker node group. All pods in the first node are deactivated by a high availability as a service (HAaaS) module. Standby pods in a second node are activated by the HAaaS module and as active pods. All network traffic associated with all the pods in the first node is migrated to the active pods. The first node is deleted from the worker node group. Hardware resources associated with running the first node are released. A third node is generated as a new worker node in the worker node group and uses the released hardware resources.

Abstract: A computer-implemented method, medium, and system for implementing a pluggable diagnostic tool for Telco radio access network (RAN) troubleshooting are disclosed. In one computer-implemented method, one or more containerized network function (CNF) instances are generated in a container orchestration platform by a test system and by using a telecommunication cloud automation (TCA) platform executed in the container orchestration platform, where the test system is onboarded to the TCA platform, and the one or more CNF instances are associated with 5G RAN. A customer resources (CR) file is received by the test system, where the CR file defines multiple test cases associated with validation of the TCA platform. The CR file is transmitted to a cluster of nodes in the container orchestration platform. The validation of the TCA platform is executed at the cluster of nodes based on the one or more CNF instances and the CR file.

Abstract: The present invention relates to a catalyst for propylene polymerization, a catalyst system for propylene polymerization and preparation and use thereof. The catalyst for propylene polymerization comprises: an activated magnesium halide, a titanium compound supported on the activated magnesium halide containing at least one Ti-halogen bond, and an internal electron donor compound selected from one or more of compounds having a structure of below Formula (1), wherein R1 and R6 are each independently selected from a C1-C12 straight or branched alkyl, a C3-C15 cycloalkyl or aryl, and R? is H, a C1-C5 straight or branched alkyl, or phenyl; R2, R3, R4, and R5 are each independently selected from H, halogen, a C1-C12 straight or branched alkyl, a C3-C8 cycloalkyl, a C6-C15 aryl, or arylalkyl. The present invention can provide a catalyst showing high polymerization reaction activity and excellent stereospecificity, by applying a novel type of internal electron donor.

Abstract: The present disclosure discloses an arylaminosilane compound, a propylene polymerization catalyst and preparation thereof. The arylaminosilane compound has a structure of wherein R1 is a C1-C8 alkyl group or a C1-C8 silanyl group; R2, R3, R4, R5 and R6 are each independently H or a C1-C12 alkyl group; R7, R8 and R9 are each independently a C1-C8 alkyl group or a C1-C8 alkoxy group. When the arylaminosilane compound is used as an external electron donor of a propylene polymerization catalyst in propylene polymerization reaction, the catalyst has good hydrogen response.

Abstract: An ultrasonic sensor, a preparation method of the ultrasonic sensor, and a display apparatus are provided. The ultrasonic sensor includes a texture recognition region and a contrast region. The contrast region is located on at least one side of the texture recognition region. The texture recognition region includes at least one recognizing unit, and the contrast region includes at least one contrast unit. The at least one recognizing unit includes a first dielectric material layer, and the at least one contrast unit includes a second dielectric material layer. The first dielectric material layer and the second dielectric material layer are made of a same material. The first dielectric material layer exhibits piezoelectric properties. A piezoelectric strain constant of the first dielectric material layer is greater than a piezoelectric strain constant of the second dielectric material layer.

Abstract: The present disclosure provides a fingerprint sensing sub-circuit, a fingerprint sensing circuit, a fingerprint recognition method, a sensor, a touch display panel and a display device. The fingerprint sensing sub-circuit includes an acoustic wave generation circuit and an acoustic wave reception circuit. The acoustic wave generation circuit is configured to generate an ultrasonic wave. The acoustic wave reception circuit is configured to collect a voltage signal, convert the voltage signal into a current signal, and output the current signal to a signal output end. The acoustic wave generation circuit and the acoustic wave reception circuit are separated from each other, so that the fingerprint sensing sub-circuit operates in a mode where a transmitting operation and a receiving operation are separated from each other.