摘要：【中文】本申请适用于计算机技术领域，提供了一种注意缺陷多动障碍的数据处理方法，包括：采集患病者和正常者使用虚拟现实环境完成任务时输出的特征参数，并通过采集到的特征参数训练机器学习模型，得到训练后的机器学习模型，最后利用训练后的机器学习模型对任一受试者运用虚拟现实环境采集的特征参数进行预测分类。本申请通过受试者完成虚拟现实环境中的任务采集的测试数据，受试者可以在轻松的环境中完成测试，避免了受试者因紧张造成采集的数据不准确的情况，另外，本申请是通过机器学习模型对特征参数进行预测分类的，避免了人为主观因素的评判，提高了对注意缺陷多动障碍的评判客观准确性。 【EN】The application is applicable to the technical field of computers, and provides a data processing method for attention deficit hyperactivity disorder, which comprises the following steps: collecting characteristic parameters output by patients and normal persons when the patients and the normal persons use the virtual reality environment to complete tasks, training a machine learning model through the collected characteristic parameters to obtain a trained machine learning model, and finally performing prediction classification on the characteristic parameters collected by any subject by using the virtual reality environment by using the trained machine learning model. According to the method and the device, the test data acquired by the tasks in the virtual reality environment are completed by the subject, the subject can complete the test in a relaxed environment, the condition that the acquired data is inaccurate due to tension of the subject is avoided, in addition, the characteristic parameters are predicted and classified through the machine learning model, the judgment of artificial subjective factors is avoided, and the objective accuracy of the judgment of attention defect hyperactivity disorder is improved.

摘要：【中文】本发明提供了一种用于去除钢坯表面缺陷的装置，包括修磨台车、设置在修磨台车上方的磨头房、以及设置在磨头房内的磨头，还包括设置在磨头房外且位于修磨台车上方的摄像机、照明灯和标记装置；所述摄像机与一显示器相连接，所述修磨台车、标记装置均与操作控制系统相连接。本发明的有益之处在于，装置结构简单，使用方便，运行成本低；通过设置标记装置、摄像机、照明灯，实现了钢坯一次修磨成型，无需再将钢坯再吊运至地面检查，从而提高作业效率，减少吊运次数和作业成本，降低安全风险，提升了产品的质量。 【EN】The invention provides a device for removing surface defects of steel billets, which comprises a grinding trolley, a grinding head room arranged above the grinding trolley, a grinding head arranged in the grinding head room, a camera arranged outside the grinding head room and positioned above the grinding trolley, an illuminating lamp and a marking device, wherein the camera is arranged on the grinding head room; the camera is connected with a display, and the grinding trolley and the marking device are both connected with an operation control system. The invention has the advantages of simple structure, convenient use and low operation cost; through setting up marker, camera, light, realized the one time coping shaping of steel billet, need not to hoist the steel billet again to ground inspection to improve the operating efficiency, reduce handling number of times and operating cost, reduce safe risk, promoted the quality of product.

摘要：【中文】本公开提供一种用于管理视频的方法、边缘缓存调度中心和通信系统。边缘缓存调度中心感知用户下行链路质量，将所感知的用户下行链路质量发送给边缘缓存节点，以便边缘缓存节点根据所述用户下行链路质量对发送给所述用户的视频流进行相应转码处理。本公开通过实时感知接入用户的下行链路质量，对在传的视频流进行自适应转码。由此可根据网络变化及时对视频流转码进行调整，有效保障用户流畅的播放体验。 【EN】The present disclosure provides a method for managing video, an edge cache scheduling center and a communication system. And the edge cache scheduling center senses the downlink quality of the user and sends the sensed downlink quality of the user to the edge cache node, so that the edge cache node performs corresponding transcoding processing on the video stream sent to the user according to the downlink quality of the user. The present disclosure adaptively transcodes an on-going video stream by sensing, in real time, the downlink quality of an access user. Therefore, the video stream transcoding can be adjusted in time according to the network change, and smooth playing experience of a user is effectively guaranteed.

摘要：【中文】本申请公开了一种数据库平台访问方法、装置、设备、介质，该方法包括：接收所述数据库平台中的终端设备发送的访问请求，其中，所述访问请求包括操作对象、第一随机数以及第二随机数，所述第一随机数为根据所述操作对象和预设规则生成的随机数；判断所述第一随机数中的第一预设位置上的数据和所述第二随机数中的第二预设位置上的数据之和是否等于预设值；如果是，则对所述第一随机数进行解析，得到所述访问请求对应的目标操作对象；将所述目标操作对象与所述操作对象进行比对；如果比对结果一致，则对所述访问请求进行相应的响应操作。这样能够保障数据库平台的安全访问，避免数据库中的数据被非法获取以及使用，保证数据库平台的安全使用。 【EN】The application discloses a database platform access method, a device, equipment and a medium, wherein the method comprises the following steps: receiving an access request sent by terminal equipment in the database platform, wherein the access request comprises an operation object, a first random number and a second random number, and the first random number is a random number generated according to the operation object and a preset rule; judging whether the sum of the data at a first preset position in the first random number and the data at a second preset position in the second random number is equal to a preset value or not; if so, analyzing the first random number to obtain a target operation object corresponding to the access request; comparing the target operation object with the operation object; and if the comparison result is consistent, performing corresponding response operation on the access request. Therefore, the safe access of the database platform can be guaranteed, the data in the database are prevented from being illegally acquired and used, and the safe use of the database platform is guaranteed.

摘要：【中文】本发明公开了一种粉末二氧化铅电极及其制备方法和应用，属于水处理技术应用领域。所述的粉末二氧化铅电极是先将四乙酸铅水解获得水解二氧化铅粉末，然后将水解二氧化铅粉末进行水热处理，水热处理后均匀分散在去离子水中，滴涂于导电玻璃上，再置于烘箱中烘干而制得。与传统的电沉积二氧化铅电极相比，所获得的新型水解二氧化铅电极制备方法简单，电催化氧化活性高，析氧过电位高，羟基自由基产生能力强，在电催化氧化降解有机污染物过程中具有明显高于传统电沉积二氧化铅电极的电流效率，是一种非常具有发展潜质的适于电催化氧化降解废水中有机污染物的阳极材料。 【EN】The invention discloses a powder lead dioxide electrode and a preparation method and application thereof, belonging to the field of water treatment technology application. The powder lead dioxide electrode is prepared by hydrolyzing lead tetraacetate to obtain hydrolyzed lead dioxide powder, performing hydrothermal treatment on the hydrolyzed lead dioxide powder, uniformly dispersing the hydrolyzed lead dioxide powder in deionized water after the hydrothermal treatment, dripping the deionized water on conductive glass, and drying the conductive glass in an oven. Compared with the traditional electrodeposited lead dioxide electrode, the obtained novel hydrolyzed lead dioxide electrode has the advantages of simple preparation method, high electrocatalytic oxidation activity, high oxygen evolution overpotential and strong hydroxyl radical generation capacity, has obviously higher current efficiency than the traditional electrodeposited lead dioxide electrode in the process of degrading organic pollutants by electrocatalytic oxidation, and is an anode material which has development potential and is suitable for degrading organic pollutants in wastewater by electrocatalytic oxidation.

摘要：【中文】本发明涉及一种基于边缘和Fisher准则的学习方法，属于神经网络学习技术领域。本方法对同一物体的不同角度拍摄，采集N张图片；对得到的N张图片通过深度网络进行编码，获取N张图片的特征图；再对特征图进行解码，得到双通道掩码图；两个通道上的每个点分别代表采集的N张图片对应位置上前景和背景的概率；再用真实前景平均概率与真实背景平均概率的距离作为类间距离；用方差作为度量真实前景区域和真实背景区域的类内距离。对前景边缘邻近区域和背景边缘邻近区域加入不同的权重，达到理想的分割边缘效果。所述学习方法使得图像理想分割边缘及学习模型更加稳定，实现了完全自动且高效、高可靠的物体抠取及准确、快速而高精度的分割。 【EN】The invention relates to a learning method based on edges and Fisher criteria, and belongs to the technical field of neural network learning. The method comprises the steps of shooting the same object at different angles, and collecting N pictures; coding the obtained N pictures through a depth network to obtain characteristic graphs of the N pictures; decoding the characteristic graph to obtain a dual-channel mask graph; each point on the two channels respectively represents the probability of the foreground and the background at the corresponding position of the acquired N pictures; then the distance between the actual foreground average probability and the actual background average probability is used as the inter-class distance; the variance is used as a measure of the intra-class distance of the true foreground region and the true background region. Different weights are added to the adjacent area of the foreground edge and the adjacent area of the background edge, and an ideal edge segmentation effect is achieved. The learning method enables ideal segmentation edges of the image and a learning model to be more stable, and realizes full-automatic, efficient, high-reliability object digging and accurate, rapid and high-precision segmentation.

摘要：【中文】本发明公开了一种适用于多要素的高分辨率集合预报系统，包括数据采集模块、空间降尺度模块、时间插值模块、时间拆分模块、集合预报模块，所述数据采集模块采集集合预报成员以及订正的网格实况数据；所述空间降尺度模块使用空间降尺度插值方法；所述时间插值模块采用内插法处理除降水外的其他气象要素；所述时间拆分模块的处理方法采用时间拆分法；所述集合预报模块在不同气象要素的误差特征下集成了多个子模块。本发明进行降水时间拆分和其他要素时间插值时采用更为合理的方法，提高预报精细程度和预报的准确性；充分考虑到不同要素的误差特征，构建出多个集合预报子模块，针对不同要素采用不同集合预报算法，适用于多个气象要素的集合预报系统。 【EN】The invention discloses a high-resolution ensemble prediction system suitable for multiple elements, which comprises a data acquisition module, a spatial downscaling module, a time interpolation module, a time splitting module and an ensemble prediction module, wherein the data acquisition module acquires ensemble prediction members and corrected grid live data; the space downscaling module uses a space downscaling interpolation method; the time interpolation module adopts an interpolation method to process other meteorological elements except precipitation; the processing method of the time splitting module adopts a time splitting method; the ensemble forecasting module integrates a plurality of sub-modules under the error characteristics of different meteorological elements. The method adopts a more reasonable method when the precipitation time is split and other element time interpolation is carried out, so that the forecasting fineness and the forecasting accuracy are improved; and (3) fully considering the error characteristics of different elements, constructing a plurality of ensemble forecasting submodules, adopting different ensemble forecasting algorithms aiming at different elements, and being suitable for an ensemble forecasting system of a plurality of meteorological elements.

摘要：【中文】本发明涉及用于推荐充电站的方法和装置，该方法包括：当接收到给电动车辆搜索充电站的请求时，基于所述电动车辆的用户的个人偏好信息，确定所述电动车辆可到达的且适用于所述电动车辆充电的特定区域；将位于所述特定区域中的合适的充电站推荐给所述电动车辆用于充电。利用该方法和装置，能够向电动车辆推荐恰当的充电站用于充电。 【EN】The invention relates to a method and a device for recommending charging stations, wherein the method comprises the following steps: upon receiving a request to an electric vehicle to search for charging stations, determining a particular area reachable by the electric vehicle and applicable for charging of the electric vehicle based on personal preference information of a user of the electric vehicle; recommending an appropriate charging station located in the particular area to the electric vehicle for charging. With the method and the device, an appropriate charging station can be recommended to the electric vehicle for charging.

摘要：【中文】本发明涉及一种多相流实验装置，尤其是一种油水气三相流实验装置，石油与天然气工程技术领域。主要包括空气压缩机、油罐、水罐、混合存储罐、流型发生器和实验管，空气压缩机、油罐、水罐分别通过气体管路、油流管路、水流管路并联接入流型发生器以产生两相流或三相流以及不同流型，流型发生器通过混合管路与混合存储罐连接，在混合管路上设置有实验管用于实验研究，实验管安装在实验管调节器上，通过实验管调节器改变实验管安装角度模拟起伏管路，混合存储罐通过并联的油流回路与水流回路分别与油罐、水罐连接，使得油和水多相流实验中循环使用，同时能够得到不同温度、不同流量、不同流型、不同管径、主流与次流、起伏管路对多相流实验的影响。 【EN】The invention relates to a multiphase flow experimental device, in particular to an oil-water-gas three-phase flow experimental device, belonging to the technical field of oil and natural gas engineering. Mainly comprises an air compressor, an oil tank, a water tank, a mixed storage tank, a flow pattern generator and an experimental pipe, wherein the air compressor, the oil tank and the water tank are respectively connected in parallel to the flow pattern generator through a gas pipeline, an oil flow pipeline and a water flow pipeline to generate two-phase flow or three-phase flow and different flow patterns, the flow pattern generator is connected with the mixed storage tank through a mixed pipeline, the mixing pipeline is provided with an experimental tube for experimental research, the experimental tube is arranged on an experimental tube regulator, the mounting angle of the experiment pipe is changed by the experiment pipe regulator to simulate a fluctuating pipeline, the mixed storage tank is respectively connected with the oil tank and the water tank by the oil flow loop and the water flow loop which are connected in parallel, so that the mixed storage tank can be recycled in the oil and water multiphase flow experiment, meanwhile, the influence of different temperatures, different flow rates, different flow patterns, different pipe diameters, main flow and secondary flow and fluctuating pipelines on a multiphase flow experiment can be obtained.

摘要：【中文】本发明公开了一种电动工具，包括：工具附件、电机、控制模块、供电模块，以及操作开关，其中操作开关包括：触发机构；电流开关，与触发机构关联设置以由触发机构触发，用于接通和断开供电模块与电机的电性连接；信号开关，与触发机构关联设置以由触发机构触发，至少用于输出信号至所述控制模块以控制所述电机启动。本发明的电动工具使得开关控制不易失效。 【EN】The invention discloses an electric tool, comprising: tool accessory, motor, control module, power module to and operating switch, wherein operating switch includes: a trigger mechanism; the current switch is arranged in association with the trigger mechanism to be triggered by the trigger mechanism and is used for switching on and switching off the electrical connection between the power supply module and the motor; and the signal switch is associated with the trigger mechanism, is triggered by the trigger mechanism and is at least used for outputting a signal to the control module to control the motor to start. The electric tool of the invention ensures that the switch control is not easy to lose efficacy.