摘要：【中文】本申请公开了一种多层PCB板的层间偏位监测方法、装置、设备、计算机可读存储介质及多层PCB板。其中，方法包括预先在多层PCB板的工艺边上设置同心圆试样；同心圆试样包括沿工艺边长度方向上设置的多个直径沿PCB板高度方向依次扩大或依次缩小同心圆环组，相邻同心圆环组的首尾同心圆环的内外直径相同且外直径不大于工艺边宽度值，相邻同心圆环组中各同心圆环在同一个高度方向上直径增长变化相反；若利用X‑ray监测多层PCB板中相同芯板或非芯板层上的同心圆至多包含一个交点该点为切点，则多层PCB板的层间偏移符合预设层偏要求。本申请在能实现同批次的层间偏位监控的基础上，不占用其他PCB板设计空间，且可测量得到PCB板整体偏移量。 【EN】The application discloses a method, a device and equipment for monitoring interlayer deviation of a multilayer PCB, a computer readable storage medium and the multilayer PCB. The method comprises the steps of arranging concentric circle samples on the process edges of the multilayer PCB in advance; the concentric circle sample comprises a plurality of concentric circle groups, wherein the diameters of the concentric circle groups are sequentially enlarged or reduced along the height direction of the PCB along the length direction of the technological edge, the inner diameters and the outer diameters of the head concentric circle and the tail concentric circle of the adjacent concentric circle groups are the same, the outer diameters are not larger than the width value of the technological edge, and the diameters of the concentric circles in the adjacent concentric circle groups are increased and changed oppositely in the same height direction; if the X-ray is utilized to monitor that the concentric circles on the same core plate or the non-core plate in the multilayer PCB plate at most comprise a point of intersection, and the point is a tangent point, the interlayer offset of the multilayer PCB plate meets the requirement of preset interlayer offset. According to the method and the device, on the basis of realizing interlayer deviation monitoring in the same batch, the design space of other PCBs is not occupied, and the whole offset of the PCBs can be measured.

摘要：【中文】本发明公开了一种耐高温电缆绝缘材料及其制备方法，所述制备方法包括：将丁腈橡胶、天然橡胶、聚碳酸酯、三氧化二铝纤维、玻璃纤维、钛白粉、稀土氧化物、高岭土、促进剂和防老剂混合后，经混炼得到坯料M，将坯料M进硫化和挤出成型后得到耐高温电缆绝缘材料。解决了传统的电缆包覆材料的耐高温能力不高，在作业环境中容易损坏的问题。 【EN】The invention discloses a high-temperature-resistant cable insulating material and a preparation method thereof, wherein the preparation method comprises the following steps: mixing nitrile butadiene rubber, natural rubber, polycarbonate, aluminum oxide fiber, glass fiber, titanium dioxide, rare earth oxide, kaolin, an accelerator and an anti-aging agent, mixing to obtain a blank M, and vulcanizing and extruding the blank M to obtain the high-temperature-resistant cable insulation material. The cable coating material solves the problems that the traditional cable coating material has low high-temperature resistance and is easy to damage in the operating environment.

摘要：【中文】本发明提供一种无源光网络的业务调度方法、装置、电子设备及介质。所述无源光网络包括光线路终端OLT和多个光网络单元ONU，所述方法包括：在无源光网络的边缘节点被DDoS攻击时，检测所述边缘节点的类型；若所述边缘节点为OLT，则禁止OLT接收新业务，并将ONU接收的新业务调度到其他ONU上处理或在本地处理；若所述边缘节点为ONU，则将ONU接收的新业务调度到OLT或其他ONU上处理。本发明实施例能够避免业务受到DDoS的影响而造成拥塞，保证业务的及时传输和处理，降低对用户服务质量的影响。 【EN】The invention provides a service scheduling method, a service scheduling device, electronic equipment and a medium for a passive optical network. The passive optical network comprises an Optical Line Terminal (OLT) and a plurality of Optical Network Units (ONU), and the method comprises the following steps: when an edge node of a passive optical network is attacked by DDoS, detecting the type of the edge node; if the edge node is the OLT, prohibiting the OLT from receiving the new service, and scheduling the new service received by the ONU to other ONUs for processing or processing locally; and if the edge node is the ONU, scheduling the new service received by the ONU to the OLT or other ONUs for processing. The embodiment of the invention can avoid congestion caused by the influence of DDoS on the service, ensure the timely transmission and processing of the service and reduce the influence on the service quality of the user.

摘要：【中文】本发明提供一种基于边缘计算的神经网络模型动态切分方法及装置，包括：接收接口终端发送的AI业务请求；根据所述AI业务请求，确定可执行计算卸载任务的执行终端；根据所述执行终端的性能参数，确定所述计算卸载任务的计算参数；向所述执行终端发送所述计算参数；接收所述执行终端发送的计算卸载任务结果，所述计算卸载任务结果是所述执行终端根据所述计算参数执行所述计算卸载任务后得到的。本发明能够实现神经网络模型的动态切分，优化资源利用，提高服务质量。 【EN】The invention provides a dynamic segmentation method and a dynamic segmentation device of a neural network model based on edge calculation, wherein the method comprises the following steps: receiving an AI service request sent by an interface terminal; determining an execution terminal capable of executing a calculation unloading task according to the AI service request; determining the calculation parameters of the calculation unloading task according to the performance parameters of the execution terminal; sending the calculation parameters to the execution terminal; and receiving a calculation unloading task result sent by the execution terminal, wherein the calculation unloading task result is obtained after the execution terminal executes the calculation unloading task according to the calculation parameters. The invention can realize the dynamic segmentation of the neural network model, optimize the resource utilization and improve the service quality.

摘要：【中文】本发明公开了一种电缆包覆材料及其制备方法，所述制备方法包括：将丁腈橡胶、三元乙丙橡胶、高密度聚乙烯、聚丙烯树脂、炭黑、高岭土、增塑剂、硫化剂、偶联剂和防老剂混合，得到混合物料M；将混合物料M进行混合，得到混合物料N；将混合物料N加入双螺杆挤出机中，经挤出成型，得到电缆包覆材料。解决了传统的电缆包覆材料的机械强度较低，抗拉强度不高、断裂伸长率较低的问题。 【EN】The invention discloses a cable coating material and a preparation method thereof, wherein the preparation method comprises the following steps: mixing nitrile rubber, ethylene propylene diene monomer, high-density polyethylene, polypropylene resin, carbon black, kaolin, a plasticizer, a vulcanizing agent, a coupling agent and an anti-aging agent to obtain a mixed material M; mixing the mixed material M to obtain a mixed material N; and adding the mixed material N into a double-screw extruder, and performing extrusion molding to obtain the cable coating material. The problems of low mechanical strength, low tensile strength and low elongation at break of the traditional cable coating material are solved.

摘要：【中文】本发明公开了一种电缆低温拉伸试验方法，包括：步骤1、取样及制备试样；步骤2、设定试验温度和时间；步骤3、在低温拉伸装置上安装试样；步骤4、拉伸试验并计算伸长率，其中，聚氯乙烯绝缘电缆的有效试验结果大于等于20％为合格，橡皮绝缘电缆大于等于30％为合格。该电缆低温拉伸试验方法步骤简洁明了，操作简单易掌握，能够适用于多种电线电缆的低温拉伸试验，试验结果准确可靠。 【EN】The invention discloses a cable low-temperature tensile test method, which comprises the following steps: step 1, sampling and preparing a sample; step 2, setting test temperature and time; step 3, mounting a sample on the low-temperature stretching device; and 4, performing a tensile test and calculating the elongation, wherein the polyvinyl chloride insulated cable is qualified when the effective test result is greater than or equal to 20%, and the rubber insulated cable is qualified when the effective test result is greater than or equal to 30%. The cable low-temperature tensile test method is concise and clear in steps, simple and easy to operate and grasp, and can be suitable for low-temperature tensile tests of various wires and cables, and the test result is accurate and reliable.

摘要：【中文】本发明公开了一种模拟真空环境的电缆性能测试装置，该电缆性能测试装置包括：箱体，箱体外设置有连通于箱体内的抽气泵，箱体外还设置有测压装置，测压装置的测压探头伸入至箱体内；箱体上对向设置的两侧分别设置有一个电缆出入口，两个电缆出入口同轴设置，被测电缆贯穿两个电缆出入口设置，且被测电缆的侧壁与电缆出入口之间密封连接。该电缆性能测试装置能够模拟真空环境，针对不同的环境压力测试电缆的电学性能。 【EN】The invention discloses a cable performance testing device for simulating a vacuum environment, which comprises: the air pump communicated with the box body is arranged outside the box body, the pressure measuring device is also arranged outside the box body, and a pressure measuring probe of the pressure measuring device extends into the box body; two opposite sides of the box body are respectively provided with a cable inlet and outlet, the two cable inlet and outlet are coaxially arranged, a tested cable penetrates through the two cable inlet and outlet, and the side wall of the tested cable is in sealing connection with the cable inlet and outlet. The cable performance testing device can simulate a vacuum environment and test the electrical performance of the cable aiming at different environmental pressures.

摘要：【中文】本发明公开一种铸钢件砂箱造型合箱卡子及其使用方法，包括下卡槽和上卡槽，上卡槽和下卡槽由连接体固定连接，所述上卡槽上方固定连接吊环。采用钢绳挂吊环进行操作，渣灌砂箱合箱后，对四周的一个角进行打卡操作，将下卡槽卡在砂箱底箱上法兰面上，下卡槽与法兰面接触面大于50mm；将卡子的上卡槽卡在砂箱上箱上平面上，上卡槽与上平面接触面大于50mm，对于上卡槽与上平面之间缝隙楔形垫进行垫平，确保上卡槽与砂箱上平面接触无缝隙；继续对四周的其余三个角进行上述打卡操作，保证强度。 【EN】The invention discloses a steel casting sand box molding box closing clamp and a using method thereof. Hanging a hanging ring by using a steel rope for operation, after filling slag into a sand box and assembling the sand box, performing a clamping operation on one corner at the periphery, clamping a lower clamping groove on an upper flange surface of a bottom box of the sand box, wherein the contact surface of the lower clamping groove and the flange surface is more than 50 mm; clamping an upper clamping groove of a clamp on the upper plane of an upper box of a sand box, wherein the contact surface of the upper clamping groove and the upper plane is larger than 50mm, and flattening a gap wedge-shaped pad between the upper clamping groove and the upper plane to ensure that the upper clamping groove is in contact with the upper plane of the sand box without a gap; and the other three corners at the periphery are subjected to the punching operation continuously, so that the strength is ensured.

摘要：【中文】本发明提供一种基于边缘计算的终端接入认证方法及装置，包括：当至少一个MTC终端发起接入请求时，对各MTC终端进行群组划分；群组划分后，选取群组长，以使所述群组长对各MTC终端进行群组认证；所述选取群组长的方法包括：若各MTC终端接入同一个MN节点，则选取该MN节点为所述群组长；若各MTC终端分别接入不同的MN节点，则从所述不同的MN节点中选取一个作为所述群组长。本发明选取MN节点为群组长，利用MN节点实现群组认证，能够避免网络系统拥塞。 【EN】The invention provides a terminal access authentication method and a terminal access authentication device based on edge calculation, wherein the method comprises the following steps: when at least one MTC terminal initiates an access request, group division is carried out on each MTC terminal; after the group division, selecting a group leader to make the group leader perform group authentication on each MTC terminal; the method for selecting the group leader comprises the following steps: if each MTC terminal accesses the same MN node, selecting the MN node as the group leader; and if each MTC terminal is respectively accessed to different MN nodes, selecting one of the different MN nodes as the group leader. The invention selects the MN node as the group length, realizes group authentication by utilizing the MN node and can avoid network system congestion.

摘要：【中文】本发明公开了一种基于Hyperledger Fabric的机动车违章管理方法，主要解决了现有技术中存在的违规交易等违法行为引发难以杜绝的问题。该方法包括构建具有两层体系结构的系统，用户使用Node.js服务器提供的Web服务；基于Hyperledger fabric开发框架，构建机动车违章管理系统的网络层；基于Node.js搭建用户交互界面的前端web服务，Web服务向Hyperledger Fabric结构进行调用，以获取区块链的详细信息，并与链码进行交互，同时用户在客户端中进行实名注册后登录系统。通过上述方案，本发明达到了避免中心化数据库导致的单点故障，利用智能合约杜绝违规交易现象目的，具有很高的实用价值和推广价值。 【EN】The invention discloses a motor vehicle violation management method based on Hyperridge Fabric, which mainly solves the problem that illegal behaviors such as illegal transactions are difficult to stop in the prior art. The method comprises the steps that a system with a two-layer system structure is built, and a user uses Web service provided by a node.js server; constructing a network layer of the motor vehicle violation management system based on a Hyperridge fabric development framework; and (2) building a front-end Web service of a user interaction interface based on node.js, calling the HyperLegend structure by the Web service to acquire detailed information of the block chain, interacting with the chain code, and logging in the system after the user registers the real name in the client. Through the scheme, the invention achieves the purposes of avoiding single-point faults caused by centralized databases and utilizing intelligent contracts to avoid illegal transactions, and has very high practical value and popularization value.