摘要：【中文】发明公开了一种利用光伏产业硅废料制备高纯微纳米硅粉的方法，提纯的关键在于控制杂质元素的含量，包括S10）选择特定的金刚石线锯和树脂板，使硅废料中的杂质元素可控；S20）对S10的硅废液进行在线重力过滤，去除线锯上脱落的金刚石等大颗粒杂质；同时对硅废液进行在线的磁选，去除具有磁性的铁、镍元素杂质，一次硅锭切片完成后进行压滤得到硅泥浆。S30）对S20的硅泥浆进行酸洗处理，去除氧元素，用去离子水清洗后离心得到硅泥浆；压滤，得到硅废料泥浆；S40）对S30的硅泥在惰性气氛下进行高温处理，去除树脂版切屑及切屑液中聚乙二醇等有机物，得到高纯的硅毫米级团聚颗粒。S50）对S40的硅毫米级颗粒进行物理破碎，得到分散的硅微纳米颗粒。 【EN】The invention discloses a method for preparing high-purity micro-nano silicon powder by utilizing photovoltaic industrial silicon waste, which is characterized in that the content of impurity elements is controlled, and the method comprises the steps of S10) selecting a specific diamond wire saw and a resin plate to control the impurity elements in the silicon waste; s20) carrying out on-line gravity filtration on the silicon waste liquid of S10 to remove large-particle impurities such as diamond and the like falling off from the wire saw; and meanwhile, carrying out online magnetic separation on the silicon waste liquid to remove magnetic iron and nickel element impurities, and carrying out filter pressing after the slicing of the primary silicon ingot is finished to obtain the silicon slurry. S30) carrying out acid washing treatment on the silicon slurry of S20 to remove oxygen elements, washing with deionized water and centrifuging to obtain the silicon slurry; performing filter pressing to obtain silicon waste slurry; s40) carrying out high-temperature treatment on the silicon mud of S30 in an inert atmosphere to remove organic matters such as polyethylene glycol in resin plate cutting scraps and cutting scraps to obtain high-purity silicon millimeter-grade agglomerated particles. S50) physically crushing the silicon millimeter-sized particles of S40 to obtain dispersed silicon micro-nano particles.

摘要：【中文】本发明涉及石墨烯及拉曼增强衬底领域，具体为一种基于纳米晶石墨烯的拉曼增强衬底及制备方法，适于染料分子快速拉曼检测。衬底为纳米晶石墨烯置于基底表面形成的复合衬底，纳米晶石墨烯层数为1～10层，晶畴尺寸为1nm～100nm。将纳米晶石墨烯薄膜与基底复合，得到一种拉曼增强衬底，将所制备的拉曼增强衬底浸泡于需要检测分子的溶液中一段时间，取出并用温和保护性气体吹干，通过激光拉曼仪器，可以测得被检测分子的拉曼增强信号。本发明的拉曼增强衬底制作工艺简单，容易实现，灵敏度高，成本低，制备过程环境友好，可批量化生产，在小分子探测、表面科学研究、生物分子检测，食品安全等领域具有重要应用。 【EN】The invention relates to the field of graphene and Raman-enhanced substrates, in particular to a Raman-enhanced substrate based on nanocrystalline graphene and a preparation method thereof, and is suitable for rapid Raman detection of dye molecules. The substrate is a composite substrate formed by placing nanocrystalline graphene on the surface of a base, the number of layers of the nanocrystalline graphene is 1-10, and the size of a crystal domain is 1-100 nm. The method comprises the steps of compounding a nanocrystalline graphene film with a substrate to obtain a Raman enhancement substrate, soaking the prepared Raman enhancement substrate in a solution of molecules to be detected for a period of time, taking out the Raman enhancement substrate, drying the Raman enhancement substrate by using mild protective gas, and measuring a Raman enhancement signal of the detected molecules by using a laser Raman instrument. The Raman-enhanced substrate has the advantages of simple manufacturing process, easy realization, high sensitivity, low cost, environment-friendly preparation process, mass production and important application in the fields of small molecule detection, surface scientific research, biomolecule detection, food safety and the like.

摘要：本发明涉及铜铅混合精矿分离技术领域，具体涉及一种硫化铜铅混合精矿铜铅分离的方法，具体通过脱药、加药调浆、浮选及磁选作业四个步骤完成。本发明的方法相比于单一浮选分离，采用浮选法和磁选法结合，强化了铜铅分离效率，进一步降低了铅精矿中的铜含量；采用亚硫酸钠、硫酸亚铁、CMC特定比例构成的组合药剂作为方铅矿的抑制剂，达到更好的协同作用效果，强化了浮选过程中对铅矿物的抑制作用，且药剂无毒、环保；同时该药剂的使用在矿浆沉降、矿水回用方面具有一定的优势，也避免了目前使用较多的水玻璃与CMC组合药剂，减少了水玻璃的使用；制备工艺及操作简单，节省人力。

摘要：【中文】本发明涉及一种利用光诱集和光驱离相结合控制保护地蔬菜害虫烟粉虱和蚜虫的方法，在保护地设置黄蓝两色复合灯；在进行保护地蔬菜害虫烟粉虱和蚜虫防控时，先打开黄蓝两色复合灯，使黄蓝两色复合灯在保护地发出黄色光波诱集害虫烟粉虱和蚜虫0.5~2.0h，然后停止发出黄色光波；接着黄蓝两色复合灯在保护地发出蓝色光波驱离害虫烟粉虱和蚜虫1.0~2.5h，实现利用黄色光波、蓝色光波的交替使用，驱离保护地蔬菜害虫烟粉虱和蚜虫。通过本发明，先利用黄色光波诱集害虫烟粉虱和蚜虫0.5~2.0 h，再采用蓝色光波驱离害虫烟粉虱和蚜虫1.0~2.5 h。实现驱离害虫远离其危害的作物，实现了害虫烟粉虱和蚜虫的绿色防控，减少了农药的使用，对农产品安全建设具有重要的意义。 【EN】The invention relates to a method for controlling vegetable pests, namely bemisia tabaci and aphids, in a protected area by combining light trapping and light driving separation, wherein a yellow-blue two-color composite lamp is arranged in the protected area; when the prevention and control of vegetable pests, namely bemisia tabaci and aphids, in a protected area, firstly, turning on a yellow-blue two-color composite lamp, enabling the yellow-blue two-color composite lamp to emit yellow light waves to trap the pests, namely the bemisia tabaci and the aphids, for 0.5-2.0 hours, and then stopping emitting the yellow light waves; and then the yellow-blue composite lamp emits blue light waves to drive away pests, namely bemisia tabaci and aphids in the protected area for 1.0-2.5 hours, so that the pests, namely the bemisia tabaci and the aphids, of the vegetables in the protected area are driven away by using the yellow light waves and the blue light waves alternately. According to the invention, yellow light waves are firstly used for trapping pests, namely the bemisia tabaci and the aphids for 0.5-2.0 h, and then blue light waves are used for repelling the pests, namely the bemisia tabaci and the aphids for 1.0-2.5 h. The method has the advantages of realizing the driving away of pests from crops which are damaged by the pests, realizing the green prevention and control of the pests, namely the bemisia tabaci and the aphids, reducing the use of pesticides and having important significance for the safety construction of agricultural products.

摘要：【中文】本发明涉及一种无网络服务场景下的故障指示器监测系统及方法。该监测系统包括主站、通过4G透传模块与主站相连的主载波机和通过电力线与主载波机相连的若干从载波机。从载波机通过串口连接有汇集单元。汇集单元通过微功率无线模块连接有采集单元。汇集单元和采集单元的数量成比例关系，一个汇集单元对应三只采集单元。汇集单元包括网关汇集单元和通过Lora通信与网关汇集单元通信的若干子节点汇集单元。本发明采用Lora通信远距离组网并结合电力载波通信技术解决了无网络服务地区故障指示器与主站数据传输的问题，经现场实际验证，本发明可满足在偏远地区无网络服务情况下故障指示器的现场应用条件，稳定实现线路故障捕获和线路监测数据。 【EN】The invention relates to a fault indicator monitoring system and method in a network service-free scene. The monitoring system comprises a main station, a main carrier connected with the main station through a 4G transparent transmission module and a plurality of slave carrier connected with the main carrier through power lines. The slave carrier is connected with a collecting unit through a serial port. The collection unit is connected with the acquisition unit through the micropower wireless module. The number of the collection units and the number of the acquisition units are in a proportional relationship, and one collection unit corresponds to three acquisition units. The aggregation unit comprises a gateway aggregation unit and a plurality of sub-node aggregation units which are communicated with the gateway aggregation unit through Lora communication. According to the invention, Lora communication remote networking is adopted and the power carrier communication technology is combined, so that the problem of data transmission between the fault indicator and the main station in the area without network service is solved, and the field practical verification proves that the method can meet the field application condition of the fault indicator under the condition that no network service exists in a remote area, and stably realizes line fault capture and line monitoring data.

摘要：【中文】本发明属于特高压交流电网电气设备安全保障技术领域，尤其涉及一种特高压变压器并联绕组串联电阻补偿的直流偏磁实时计算方法，包括：根据特高压变压器主体变、调压变和补偿变的实际结构参数，构建三台变压器三维几何模型和直流偏磁计算磁场模型；计算各台变压器绕组流过不同电流时的自感值和绕组间的互感值；结合三台变压器之间的电气连接关系，通过串联电阻补偿电压建立三台变压器整体的直流偏磁等效电路计算模型；利用电感参数的四阶龙格库塔法求解直流偏磁电路模型：将串联电阻所在支路的电流瞬时值与所增加的串联电阻相乘进行电压补偿；计算各台变压器电压电流值并进行FFT变换，得特高压变压器直流偏磁下各台变压器的电压电流谐波情况。 【EN】The invention belongs to the technical field of extra-high voltage alternating current grid electrical equipment safety guarantee, and particularly relates to a direct current magnetic bias real-time calculation method for extra-high voltage transformer parallel winding series resistance compensation, which comprises the following steps: constructing three transformer three-dimensional geometric models and a direct-current magnetic bias calculation magnetic field model according to actual structural parameters of the main body transformer, the voltage regulation transformer and the compensation transformer of the extra-high voltage transformer; calculating self-inductance values of the windings of the transformers when different currents flow through the windings and mutual inductance values among the windings; establishing a direct-current magnetic bias equivalent circuit calculation model of the whole three transformers by combining the electrical connection relation among the three transformers and compensating voltage through series resistors; solving a direct-current magnetic biasing circuit model by using a four-order Runge Kutta method of inductance parameters: multiplying the instantaneous value of the current of the branch in which the series resistor is positioned by the increased series resistor to perform voltage compensation; and calculating the voltage current value of each transformer and performing FFT (fast Fourier transform) conversion to obtain the voltage current harmonic condition of each transformer under the direct-current magnetic biasing of the extra-high voltage transformer.

摘要：本发明涉及一种顺层定向平面缝槽的水射流切割方法，属于煤矿灾害技术领域。该方法包括以下步骤：计算确定各分段切割单元的宽度与数量；计算确定各段切割的水射流工作压力；在煤层巷道施工顺层钻孔；调整割缝器的水射流喷嘴方向至设定方向；开启高压泵形成高压水射流，调压至设定压力值；拖动钻杆向外移动距离，钻孔内水射流平移切割煤体，形成深度为的缝槽；调低高压泵压力、打开割缝器前端出水口，旋转钻杆进行钻孔排渣，并逐步推动钻杆至初始切割位置；重复上述步骤，循环n次直至切割深度达到设计值。本发明解决了常规切缝方法在定向平面缝槽切割实施过程中出现的堵孔、卡钻问题，增大顺层定向平面缝槽的切割成功率和钻孔的有效卸压范围。

摘要：【中文】本发明公开了一种遮蔽立式三遥DTU终端，包括机柜本体和设置在机柜本体内的三遥DTU终端，机柜本体包括柜体和柜门，柜体上设有通风口和封闭装置，封闭装置包括用于封闭通风口的封闭组件和驱动封闭组件动作的驱动机构，驱动机构包括雨水收集装置、和雨水收集装置连通的执行装置。本发明解决了现有技术中户外三遥DTU终端无法有效防水的问题，在外界雨水量达到一定程度时，自动对通风口进行封闭，防止雨水渗入三遥DTU终端内，造成内部的电气元件短路、损坏，影响三遥DTU终端的正常使用，提高运行安全性；在通风口封闭时，依靠柔性管中雨水的流动起到散热的作用，防止三遥DTU终端因通风口封闭无法散热而造成内部电气元器件的损坏。 【EN】The invention discloses a shielding vertical three-remote DTU terminal which comprises a cabinet body and the three-remote DTU terminal arranged in the cabinet body, wherein the cabinet body comprises a cabinet body and a cabinet door, the cabinet body is provided with a ventilation opening and a sealing device, the sealing device comprises a sealing component for sealing the ventilation opening and a driving mechanism for driving the sealing component to act, and the driving mechanism comprises a rainwater collecting device and an executing device communicated with the rainwater collecting device. The invention solves the problem that the outdoor three-remote DTU terminal in the prior art cannot effectively prevent water, and when the external rainwater amount reaches a certain degree, the ventilation opening is automatically sealed, so that rainwater is prevented from infiltrating into the three-remote DTU terminal to cause short circuit and damage of internal electrical elements, the normal use of the three-remote DTU terminal is influenced, and the operation safety is improved; when the vent seals, rely on the flow of rainwater in the flexible tube to play radiating effect, prevent that three distant DTU terminals from leading to the fact the damage of inside electrical components because of the vent seals unable heat dissipation.

摘要：【中文】本发明公开一种增增倍镜组的中波制冷红外变焦镜头，在原光学系统组的基础上增加相对变焦镜头可拆卸的增倍镜组，原光学系统组包括从物侧到像侧沿光轴依次设置的前固定组、变倍组、补偿组、调焦组和后固定组，增倍镜组包括从物侧到像侧沿光轴依次设置的第一正弯月透镜和第二负弯月透镜。本发可在原光学系统的基础上实现焦距的放大，并且不影响成像质量。增倍镜组通过螺栓实现相对镜筒的拆装，结构设计简单，易于拆装，且改变焦距方便，可满足不同的应用需求。 【EN】The invention discloses a medium wave refrigeration infrared zoom lens of a magnification increasing lens group, which is characterized in that the magnification increasing lens group which is detachable relative to the zoom lens is added on the basis of an original optical system group, the original optical system group comprises a front fixed group, a magnification changing group, a compensation group, a focusing group and a rear fixed group which are sequentially arranged from an object side to an image side along an optical axis, and the magnification increasing lens group comprises a first positive meniscus lens and a second negative meniscus lens which are sequentially arranged from the object side to the image side along the optical axis. The optical system can realize the amplification of the focal length on the basis of the original optical system, and does not influence the imaging quality. The magnifying lens group realizes the disassembly and the assembly of the opposite lens cones through bolts, has simple structural design, is easy to disassemble and assemble, is convenient to change the focal length, and can meet different application requirements.

摘要：本发明公开了一种大型多功能土与结构物界面剪切装置，动力机构安装在支撑结构上，剪切罐包括罐体，罐体上设置有上安装口、下安装口，罐体内安装有囊体，囊体的两端分别延伸至上安装口和下安装口处，囊体内填充有土样，模型桩的两端贯穿土样，罐体的上安装口和下安装口处分别安装有可拆卸的固定组件；动力机构的输出杆端部与模型桩的顶端之间铰接有拉压传感器；模型桩顶端和底端分别安装有第一高精度位移计和第二高精度位移计，罐体内安装有用于测量土样径向位移的第三高精度位移计。本发明同时公开了一种大型多功能土与结构物界面剪切装置的使用方法。本发明能够解决现有土样与结构物界面剪切试验中无法满足不同类型剪切试验需要的问题。