摘要：【中文】一种安全抗菌防霾纳米纤维口罩及其制备方法，该安全抗菌防霾纳米纤维口罩的制备方法包括制作含抗菌剂的纳米纤维高效过滤层的步骤，其中，先配制添加有所述抗菌剂的聚合物溶液，再通过气流纺丝工艺，随着溶剂挥发，成型聚合物纳米纤维，使所述抗菌剂与聚合物充分结合而黏附在聚合物纳米纤维表面或被聚合物包覆。该安全抗菌防霾纳米纤维口罩不仅显著加强了抗菌剂与载体的结合力，在保证抑菌、杀菌功能的同时极大地降低了纳米银脱落后被吸入体内的风险。 【EN】The preparation method of the safe antibacterial haze-preventing nanofiber mask comprises the step of manufacturing a nanofiber efficient filtering layer containing an antibacterial agent, wherein a polymer solution added with the antibacterial agent is prepared firstly, and then the polymer nanofiber is formed through an airflow spinning process along with volatilization of a solvent, so that the antibacterial agent and a polymer are fully combined and adhered to the surface of the polymer nanofiber or coated by the polymer. The safe, antibacterial and haze-preventing nanofiber mask not only remarkably enhances the binding force between the antibacterial agent and the carrier, but also greatly reduces the risk of being inhaled into the body after the nano silver falls off while ensuring the antibacterial and bactericidal functions.

摘要：【中文】本发明公开了一种用于太赫兹超材料构建的基板、太赫兹超材料及制备方法，该用于太赫兹超材料构建的基板的制备方法包括：将目标陶瓷基板材料与粘结剂、极性溶剂均匀混合，配制成浆料；而后将浆料通过3D打印技术成型，再进行干燥处理，制得陶瓷片半成品；最后将陶瓷片半成品进行烧结处理。该制备方法工艺简单，生产周期短，成型效率高，生产成本低，适用于制备小尺寸基板，所制得基板适用于构建太赫兹超材料，利于太赫兹超材料的大规模生产应用。 【EN】The invention discloses a substrate for terahertz metamaterial construction, a terahertz metamaterial and a preparation method, wherein the preparation method of the substrate for terahertz metamaterial construction comprises the following steps: uniformly mixing a target ceramic substrate material with a binder and a polar solvent to prepare slurry; then, forming the slurry by a 3D printing technology, and drying to obtain a ceramic chip semi-finished product; and finally, sintering the ceramic wafer semi-finished product. The preparation method is simple in process, short in production period, high in forming efficiency, low in production cost and suitable for preparing the small-size substrate, and the prepared substrate is suitable for constructing the terahertz metamaterial and is beneficial to large-scale production and application of the terahertz metamaterial.

摘要：【中文】本发明公开了一种铁酸钬基太赫兹超材料及其制备方法和光学器件，该铁酸钬基太赫兹超材料的制备方法包括以下步骤：(1)按化学计量比称取氧化铁和氧化钬混合形成原料混合物，然后进行第一次烧结，形成铁酸钬基材料；(2)对所述铁酸钬基材料进行成型。本发明利用氧化铁和氧化钬为原料，制备出Ho原子与Fe原子的比例可调的全介质基超材料，能够更灵活地调控太赫兹超材料的振幅和频率，同时也避免了现有使用贵金属超材料导致的电磁波的吸收损耗大的问题。 【EN】The invention discloses a holmium ferrite-based terahertz metamaterial, a preparation method thereof and an optical device, wherein the preparation method of the holmium ferrite-based terahertz metamaterial comprises the following steps: (1) weighing iron oxide and holmium oxide according to a stoichiometric ratio, mixing to form a raw material mixture, and then sintering for the first time to form a holmium ferrite-based material; (2) and forming the holmium ferrite-based material. According to the preparation method, iron oxide and holmium oxide are used as raw materials to prepare the all-dielectric-based metamaterial with the adjustable ratio of Ho atoms to Fe atoms, so that the amplitude and the frequency of the terahertz metamaterial can be adjusted and controlled more flexibly, and the problem of large absorption loss of electromagnetic waves caused by the existing noble metal metamaterial is solved.

摘要：【中文】本申请涉及一种配电网保护方法、装置、计算机设备和可读存储介质。所述方法通过监测所述变电站和所述配电房的供电线路，并判断是否存在故障区域。若存在故障区域，则控制所述线路光纤纵差保护装置断开所述变电站侧的断路器。控制所述分布式配电保护自愈装置监测所述故障区域所属的故障配电房的负荷开关的状态。若所述故障配电房的负荷开关无电压且无电流，控制所述分布式配电保护自愈装置断开所述故障配电房的负荷开关。控制所述线路光纤纵差保护装置闭合所述断路器，恢复非故障区域的供电。本实施例提供的方法能够提高供电可靠性。 【EN】The application relates to a power distribution network protection method and device, computer equipment and a readable storage medium. The method comprises the steps of monitoring power supply lines of the transformer substation and the power distribution room, and judging whether a fault area exists or not. And if the fault area exists, controlling the circuit optical fiber longitudinal differential protection device to disconnect the circuit breaker on the transformer substation side. And controlling the distributed distribution protection self-healing device to monitor the state of a load switch of a fault distribution room to which the fault area belongs. And if the load switch of the fault power distribution room has no voltage or current, controlling the distributed power distribution protection self-healing device to disconnect the load switch of the fault power distribution room. And controlling the circuit optical fiber longitudinal differential protection device to close the circuit breaker and recovering the power supply of the non-fault area. The method provided by the embodiment can improve the power supply reliability.