摘要：【中文】本发明公开了一种基于NB‑IOT与Modbus协议的透明组网设备，涉及机电设备控制领域，该基于NB‑IOT与Modbus协议的透明组网设备，包括STM32RCT6处理器单元、NB‑IOT通讯模组、内部存储单元、RS485芯片、RS232芯片以及基于TCP通讯模式的W5500网络芯片，所述整个终端设备由STM32RCT6处理器单元、NB‑IOT通讯模组、RS485芯片、RS232芯片以及基于TCP通讯模式的W5500网络芯片五个部分构成，实现在低功耗NB‑IOT通讯模组网络下的高效率Modbus数据传输，并能在上位机与机电设备间实现快速的组网，所述STM32RCT6处理器单元接收NB‑IOT通讯模组的信号。本发明通过设置STM32RCT6处理器单元、NB‑IOT通讯模组、内部存储单元、RS485芯片、RS232芯片以及基于TCP通讯模式的W5500网络芯片，从而基于蜂窝的窄带物联网NB‑IOT能够方便有效地实现对现场设备的监控。 【EN】The invention discloses a transparent networking device based on NB-IOT and Modbus protocols, which relates to the field of electromechanical device control and comprises an STM32RCT6 processor unit, an NB-IOT communication module, an internal storage unit, an RS485 chip, an RS232 chip and a W5500 network chip based on a TCP communication mode, wherein the whole terminal device consists of an STM32RCT6 processor unit, an NB-IOT communication module, an RS485 chip, an RS232 chip and a W5500 network chip based on a TCP communication mode, high-efficiency Modbus data transmission under a low-power consumption NB-IOT communication module network is realized, quick networking can be realized between an upper computer and electromechanical devices, and the STM32RCT6 processor unit receives signals of the NB-IOT communication module. According to the invention, the STM32RCT6 processor unit, the NB-IOT communication module, the internal storage unit, the RS485 chip, the RS232 chip and the W5500 network chip based on the TCP communication mode are arranged, so that the narrow-band Internet of things NB-IOT based on the honeycomb can conveniently and effectively realize the monitoring of field equipment.

摘要：一种基于矿浆泵池液位为主控参数的分级器控制方法，主要用于冶金矿山选矿厂分级器的控制，补偿功能模块对矿浆泵池液位测量值进行补偿处理；安全液位决策模块对当前液位处于安全液位或上限或下限进行判断；安全液位决策模块根据判断结果，分别调用低液位处理功能模块或高液位处理功能模块或安全液位处理功能模块，并给出相应的砂泵变频器运转信号和泵池补水调节阀开度指令信号，确保泵池液位处于安全范围之内。本发明解决了冶金矿山选矿厂分级器环节生产中矿浆泵池冒矿、砂泵抽空、泵喘振生产事故。

摘要：本发明公开了一种焦散线‑数字图像相关法同步实验系统及方法，包括第一LED闪光灯光源(1)，第二LED闪光灯光源(2)，电容充电器(3)，第一超高速摄影仪(4)，第二超高速摄影仪(5)，数字散斑图像计算模块(6)，焦散斑计算模块(7)，冲击头(8)，落锤(9)，实验加载台(10)，激光光源(11)及焦散线光路系统延迟信号控制器(15)，试件(26)；该系统综合了两种实验方法的优点，能够测得运动裂纹的扩展长度、扩展速度、扩展加速度等各项力学参数，通过综合对比分析两种方法测得的数据，能够更加准确、科学、定量地研究运动裂纹的扩展机理。

摘要：【中文】一种错接线分析用尺，所述错接线分析用尺包括：尺盘，所述尺盘上以尺盘的中心为圆心绘刻有0°～360°的角度刻度圈；所述尺盘上还设置有多个第一定位槽、多个第二定位槽以及多个定位孔；所述第一定位槽一端以尺盘中心为起点，所述第一定位槽另一端向角度刻度圈延伸，相邻所述第一定位槽之间间隔60°；所述第二定位槽一端以尺盘中心为起点，所述第二定位槽另一端向角度刻度圈延伸，相邻所述第二定位槽之间间隔120°；至少一个所述第二定位槽位于两个相邻第一定位槽的角平分线上；多个所述定位孔以尺盘的中心为圆心呈环形阵列设置，相邻所述定位孔之间间隔5～30°，和所述第一定位槽或第二定位槽相邻的定位孔与第一定位槽或第二定位槽之间间隔为5～30°。 【EN】A wrong wiring analyzing rule comprising: the ruler comprises a ruler disc, wherein an angle scale ring of 0-360 degrees is drawn on the ruler disc by taking the center of the ruler disc as the center of a circle; the ruler disk is also provided with a plurality of first positioning grooves, a plurality of second positioning grooves and a plurality of positioning holes; one end of the first positioning groove takes the center of the ruler disk as a starting point, the other end of the first positioning groove extends to the angle scale ring, and the adjacent first positioning grooves are spaced by 60 degrees; one end of the second positioning groove takes the center of the ruler disk as a starting point, the other end of the second positioning groove extends to the angle scale ring, and the interval between every two adjacent second positioning grooves is 120 degrees; at least one second positioning groove is positioned on an angle bisector of two adjacent first positioning grooves; the positioning holes are arranged in an annular array by taking the center of the ruler disk as a circle center, the interval between every two adjacent positioning holes is 5-30 degrees, and the interval between the positioning hole adjacent to the first positioning groove or the second positioning groove and the first positioning groove or the second positioning groove is 5-30 degrees.

摘要：【中文】本发明公开了一种化学铣削精密加工装置，包括箱体，箱体的上方安装有可拆卸顶盖箱体的下方装有可移动盖板，可移动盖板的下方装有恒温加热器，箱体的内部安装有转轴固定结构，转轴固定结构连接转轴转动结构，箱体一侧安装有储液箱，储液箱与箱体间有进液管，进液管一端连通储液箱，另一端伸入箱体中，其位于箱体中的端部安装浮球阀。本发明，结构简单、合理、加工精度高；减轻了工人的劳动强度，提高了加工精度；加工过程的自发性以及反应时间的自动控制，将人为因素对加工的影响降到了最低；解决了现有传统铣削加工加工精度不足、废品率高的问题。 【EN】The invention discloses a chemical milling precision machining device which comprises a box body, wherein a movable cover plate is arranged below the box body, a detachable top cover is arranged above the box body, a constant temperature heater is arranged below the movable cover plate, a rotating shaft fixing structure is arranged in the box body and is connected with a rotating shaft rotating structure, a liquid storage box is arranged on one side of the box body, a liquid inlet pipe is arranged between the liquid storage box and the box body, one end of the liquid inlet pipe is communicated with the liquid storage box, the other end of the liquid inlet pipe extends into the box body, and a ball float valve is arranged at the end part of the. The invention has simple and reasonable structure and high processing precision; the labor intensity of workers is reduced, and the processing precision is improved; the spontaneity of the processing process and the automatic control of the reaction time reduce the influence of human factors on the processing to the minimum; the problems of insufficient machining precision and high rejection rate of the traditional milling machining are solved.

摘要：本发明涉及一种并网变流系统及其模型预测控制方法，属于交流‑直流变换技术领域，该并网变流系统包括变流器与LCL滤波器，变流器通过LCL滤波器用于连接电网，该控制方法利用二阶广义积分传递函数，构建虚拟矢量建立控制器预测模型，即交流侧电流预测模型，然后利用预设的代价函数进行寻优，优选出一组开关状态信号。通过将功率参考值转化为电流参考值实现电流控制，并且在交流侧电流预测模型中，通过对入网电流进行电流补偿，抑制了电网电压畸变，保证了系统工作的稳定性，可靠性较高。

摘要：【中文】本发明公开了一种节目的推荐方法，包括：当接收到视频节目的推荐请求时，在采用预设方法生成的层级节目库中确定待推荐用户在第一层级节目库中所属的目标群组；获取所述目标群组中包含的所述待推荐用户感兴趣的各个视频节目；计算所述各个视频节目的相对于所述待推荐用户的兴趣权重得分；依据所述兴趣权重得分对所述各个视频节目进行排序，依据排序结果将满足要求的各个视频节目推荐给所述待推荐用户。上述方法，确定待推荐用户的目标群组包含所述待推荐用户感兴趣的各个视频节目，依据兴趣权重得分对所述各个视频节目进行排序，并推荐给所述待推荐用户，避免了视频推荐榜单依据观看量进行推荐，推荐不具有针对性的问题。 【EN】The invention discloses a program recommendation method, which comprises the following steps: when a recommendation request of a video program is received, determining a target group of a user to be recommended in a first hierarchical program library in a hierarchical program library generated by adopting a preset method; acquiring each video program which is contained in the target group and is interested by the user to be recommended; calculating interest weight scores of the video programs relative to the user to be recommended; and sequencing the video programs according to the interest weight scores, and recommending the video programs meeting the requirements to the user to be recommended according to the sequencing result. According to the method, the target group of the user to be recommended is determined to contain each video program which is interested by the user to be recommended, the video programs are ranked according to the interest weight scores and recommended to the user to be recommended, and the problem that video recommendation lists are recommended according to the watching quantity and the recommendation is not targeted is solved.

摘要：本发明公开了一种煤矿岩巷用钻锚装置及其施工方法，包括：钻锚装置一段(1)、钻锚装置二段(2)、转动连接装置(3)、支撑工作臂(4)、钻孔装置(5)、锚杆钻架(6)；通过滑移确定合适的打孔或者锚杆方向和位置，轨道变换确定作业方式，完成钻孔或锚固作业。

摘要：【中文】本发明公开了一种压路机电液一体综合仿真实训平台，包括整车转向执行元件A、驱动装置执行元件B、震动装置执行元件C、液压油泵P、单向阀k1和单向阀k2，所述整车转向执行元件A由电磁阀a1和电磁阀a共同控制，驱动装置执行元件B由电磁阀b1和电磁阀b共同控制，震动装置执行元件C由电磁阀c1和电磁阀c共同控制，电磁阀a1、电磁阀b1和电磁阀c1均连接安全阀Z2和单向阀k2，本发明通过设置不同的操作开关和手柄，能够控制压路机的各个动作单元完成模拟运动，包括整车转向控制、驱动装置控制和震动装置控制，方便学员快速的掌握各项知识，并且增强了动手能力。 【EN】The invention discloses a road roller electro-hydraulic integrated comprehensive simulation training platform, which comprises a whole vehicle steering actuating element A, a driving device actuating element B, a vibration device actuating element C, a hydraulic oil pump P, a one-way valve k1 and a one-way valve k2, the whole vehicle steering actuator A is jointly controlled by the electromagnetic valve a1 and the electromagnetic valve a, the actuator B of the driving device is jointly controlled by the electromagnetic valve B1 and the electromagnetic valve B, the actuator C of the vibration device is jointly controlled by the electromagnetic valve C1 and the electromagnetic valve C, and the electromagnetic valve a1, the electromagnetic valve B1 and the electromagnetic valve C1 are all connected with the safety valve Z2 and the one-way valve k 2.

摘要：【中文】本发明涉及包含利用Heat‑tinc提取方法及低温熟成的茵陈提取物作为有效成分的化妆品组合物，根据本发明，通过Heat‑tinc提取方法及低温熟成制备而成的茵陈提取物，改善肤色、减少毛孔数、抗炎及抗氧化效果优秀，且对人体无害无皮肤刺激，因此可有效利用为化妆品组合物。并且，Heat‑tinc提取方法弥补了以往的有机溶剂提取及热水提取的缺点，因此，即使不进行去除有机溶剂的步骤也可以获得功效优秀的有效成分，而且由于减少了制备费用，可对生产性及经济性作出贡献，可通过低温熟成来维持储藏性及茵陈的固有的香味。 【EN】The present invention relates to a cosmetic composition comprising as an active ingredient an extract of oriental wormwood prepared by Heat-tic extraction and low-temperature ripening, which has excellent effects of improving skin color, reducing the number of pores, anti-inflammatory and anti-oxidative, and is harmless to the human body without skin irritation. Furthermore, the Heat-tic extraction method overcomes the disadvantages of the conventional organic solvent extraction and hot water extraction, and thus can obtain effective components without removing the organic solvent, and can contribute to productivity and economy by reducing the preparation cost, and can maintain the storability and the inherent flavor of oriental wormwood by low-temperature ripening.