当前查询到133条专利与查询词 "Xu Chunyan"相关,搜索用时0.8280625秒!排序方式:
发明专利:73实用新型: 58外观设计: 2
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申请号:202010032686.8 公开号:CN111210701A 主分类号:G09B23/02
摘要:【中文】本发明公开了一种具有计算机展示功能的数学矩阵教学模型,涉及数学教学用具领域,包括设备箱、升降机构、矩阵操作平台与显示屏,所述升降机构位于设备箱的上端外表面,所述矩阵操作平台位于升降机构的上端外表面,所述显示屏位于矩阵操作平台的上方。本发明通过矩阵操作平台与磁石杆可按照要求组合成不同的矩阵模型,可适应规则矩阵与不规则矩阵,有一定多变性,方便教学者进行不同数学矩阵模型模拟,其次设置的阻尼转轴,可方便教学者进行视屏讲解时,调整显示屏的视角,且阻尼转轴具备一定的扭力,故当调整好视角后,无外力触碰,可保持显示屏视角不变,便于学习者查看显示屏上的视屏教学,具备一定的使用前景。 【EN】The invention discloses a mathematical matrix teaching model with a computer display function, which relates to the field of mathematical teaching aids and comprises an equipment box, a lifting mechanism, a matrix operation platform and a display screen, wherein the lifting mechanism is positioned on the outer surface of the upper end of the equipment box, the matrix operation platform is positioned on the outer surface of the upper end of the lifting mechanism, and the display screen is positioned above the matrix operation platform. The invention can combine different matrix models through the matrix operation platform and the magnet rod according to requirements, can adapt to regular matrixes and irregular matrixes, has certain variability, is convenient for teachers to simulate different mathematical matrix models, can be convenient for teachers to adjust the visual angle of the display screen when performing screen interpretation, and has certain torsion, so that after the visual angle is adjusted, no external force touches, the visual angle of the display screen can be kept unchanged, learners can conveniently check screen teaching on the display screen, and the invention has certain application prospect.
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申请号:201911167445.8 公开号:CN110980918A 主分类号:C02F1/72
摘要:【中文】一种多级臭氧催化氧化内循环装置及使用方法,涉及一种多级臭氧催化氧化内循环装置及使用方法。本发明是要解决目前催化臭氧氧化技术处理煤化工废水存在臭氧利用率低、臭氧投加量偏高的问题,本发明装置包括进水系统、主反应系统、臭氧进气系统、尾气处理系统、内循环系统和出水管;处理方法为:1.放入催化剂;2.废水进入反应池并开启臭氧进气系统和内循环系统;3.尾气经臭氧破坏器排出;4.从出水管取水样测定参数。本发明减少了臭氧总投量,节约了废水处理成本,提高了臭氧利用率。本发明应用于水处理领域。 【EN】A multi-stage ozone catalytic oxidation internal circulation device and a use method thereof relate to a multi-stage ozone catalytic oxidation internal circulation device and a use method thereof. The invention aims to solve the problems of low ozone utilization rate and high ozone adding amount in the coal chemical industry wastewater treatment by the existing catalytic ozone oxidation technology, and the device comprises a water inlet system, a main reaction system, an ozone inlet system, a tail gas treatment system, an internal circulation system and a water outlet pipe; the processing method comprises the following steps: 1. putting a catalyst; 2. the wastewater enters a reaction tank and an ozone inlet system and an internal circulation system are started; 3. the tail gas is discharged through an ozone destructor; 4. and taking a water sample from the water outlet pipe to measure parameters. The invention reduces the total ozone input, saves the wastewater treatment cost and improves the ozone utilization rate. The invention is applied to the field of water treatment.
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申请号:201911267805.1 公开号:CN110843224A 主分类号:B29C67/00
摘要:【中文】一种SMC玻璃钢风管的生产工艺,包括以下步骤:步骤一:投料:向反应釜内投入物料进行充分反应融合,反应温度20‑40度;步骤二:充分反应完全后,通过抽取装置将反应釜内的物料抽至泵池内;步骤三:通过抽取装置将泵池内的物料抽至分散机内,并在分散机内加入相应比例的稠化剂;步骤四:通过片材机将分散机内的物料复合在塑料薄膜上并得到原料板材;步骤五:将步骤四得到原料板材放入压力机内融化、固化成型,最终得到玻璃钢风管板材;本发明提供一种SMC玻璃钢风管的生产工艺,本生产工艺可以减少人工的使用,生产效率极高,大大降低企业的生产成本,且产品的均匀度高、物料的融合度都大大提高,其强度也相应的提高。 【EN】A production process of an SMC glass fiber reinforced plastic air pipe comprises the following steps: the method comprises the following steps: feeding: feeding materials into a reaction kettle for full reaction and fusion, wherein the reaction temperature is 20-40 ℃; step two: after the full reaction, pumping the materials in the reaction kettle into a pump pool through a pumping device; step three: pumping the material in the pump tank into a dispersing machine through a pumping device, and adding a thickening agent in a corresponding proportion into the dispersing machine; step four: compounding the materials in the dispersing machine on a plastic film through a sheet machine to obtain a raw material plate; step five: putting the raw material plate obtained in the step four into a press machine for melting, curing and forming to finally obtain a glass fiber reinforced plastic air duct plate; the invention provides a production process of an SMC glass fiber reinforced plastic air pipe, which can reduce the use of manpower, has extremely high production efficiency, greatly reduces the production cost of enterprises, has high product uniformity, greatly improves the material fusion degree and correspondingly improves the strength.
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申请号:201911116330.6 公开号:CN110995229A 主分类号:H03K17/95
摘要:【中文】本发明公开了一种霍尔接近开关结构,包括印制线路板,磁场放大器和骨架壳体;印制线路板包括焊接有感应芯片的第一刚性板和焊接有处理电路的第二刚性板,所述第一刚性板和第二刚性板之间通过挠性板连接;所述磁场放大器、第一刚性板和挠性板设于骨架壳体内部;所述第一刚性板插入磁场放大器内部气隙中,所述挠性板连接第二刚性板一端穿出骨架壳体,所述第二刚性板固定在骨架壳体外壁。本发明可减小外置磁钢尺寸、重量,提高传感器测试精度,同时,可将霍尔接近开关的感应距离扩展至50毫米以上。 【EN】The invention discloses a Hall proximity switch structure, which comprises a printed circuit board, a magnetic field amplifier and a framework shell, wherein the printed circuit board is provided with a magnetic field amplifier; the printed circuit board comprises a first rigid board welded with the induction chip and a second rigid board welded with the processing circuit, and the first rigid board and the second rigid board are connected through a flexible board; the magnetic field amplifier, the first rigid plate and the flexible plate are arranged in the framework shell; the first rigid plate is inserted into an air gap inside the magnetic field amplifier, one end of the flexible plate, which is connected with the second rigid plate, penetrates out of the framework shell, and the second rigid plate is fixed on the outer wall of the framework shell. The invention can reduce the size and weight of the external magnetic steel, improve the testing precision of the sensor, and simultaneously can expand the sensing distance of the Hall proximity switch to more than 50 mm.
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申请号:201910993795.3 公开号:CN110855579A 主分类号:H04L12/931
摘要:【中文】本发明提供一种交换机及其数据记录方法,涉及属于通信领域。该交换机包括数据交换单元、控制单元、端口输入单元、端口输出单元和数据记录单元,数据交换单元将数据帧转发至端口输出单元,向控制单元和数据记录单元发送信息;控制单元控制交换机自我检测;端口输入单元接受数据帧,监督端口状态,将状态信息传给数据交换单元和数据记录单元;端口输出单监督端口状态,将状态信息传给数据记录单元;数据记录单元对数据进行分类和存储。本发明的交换机及其数据记录方法,给交换机增添数据记录功能,全面记录信号安全数据网设备间交互的信息内容、传递情况以及设备状态,有利于故障排查以及数据分析,方便工程人员进行数据读取,提升工作效率。 【EN】The invention provides a switch and a data recording method thereof, and relates to the field of communication. The switch comprises a data switching unit, a control unit, a port input unit, a port output unit and a data recording unit, wherein the data switching unit forwards a data frame to the port output unit and sends information to the control unit and the data recording unit; the control unit controls the switch to detect itself; the port input unit receives the data frame, supervises the state of the port and transmits the state information to the data exchange unit and the data recording unit; the port outputs the state of the single supervision port and transmits the state information to the data recording unit; the data recording unit classifies and stores the data. The switch and the data recording method thereof add a data recording function to the switch, comprehensively record the interactive information content, transmission condition and equipment state among the signal safety data network equipment, are favorable for troubleshooting and data analysis, are convenient for engineering personnel to read data and improve the working efficiency.
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申请号:201811048849.0 公开号:CN110886099A 主分类号:D06N3/14
摘要:【中文】本发明公开了一种磁性纺织品。该磁性纺织品包括基布层和弹性树脂层,弹性树脂层中含有溶剂型聚氨酯树脂以及永磁材料,其中永磁材料中的金属元素包括铁、硼、钴、钕、钐和镨中一种或几种。本发明的纺织品具有永久高磁密度磁疗性能,同时手感柔软,并且还具有防水性能。 【EN】The invention discloses a magnetic textile. The magnetic textile comprises a base cloth layer and an elastic resin layer, wherein the elastic resin layer contains solvent type polyurethane resin and a permanent magnetic material, and metal elements in the permanent magnetic material comprise one or more of iron, boron, cobalt, neodymium, samarium and praseodymium. The textile has permanent high-magnetic-density magnetic therapy performance, soft hand feeling and waterproof performance.
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申请号:201911220395.5 公开号:CN110843289A 主分类号:B32B17/02
摘要:【中文】本发明公开了一种高性能耐碱玻璃纤维毡,所述高性能耐碱玻璃纤维毡是由耐碱玻璃纤维层、网格布层和短切纱层复合而成,所述耐碱玻璃纤维层占高性能耐碱玻璃纤维毡的总质量的38%‑40%,所述网格布层占高性能耐碱玻璃纤维毡的总质量的32%‑35%,所述短切纱层占高性能耐碱玻璃纤维毡的总质量的25%‑30%,所述耐碱玻璃纤维层是由纤维长度为5‑7mm的耐碱玻璃纤维织造而成的,所述网格布层是由质量比为4:1的无碱玻璃纤维和中碱玻璃纤维织造而成的,所述短切纱层是采用纤维长度为7‑9mm的玻璃纤维短切原丝编制而成的。通过上述方式,本发明能够有效提高玻璃纤维毡的耐碱性和抗老化性,延长使用寿命,拓宽应用范围。 【EN】The invention discloses a high-performance alkali-resistant glass fiber mat which is formed by compounding an alkali-resistant glass fiber layer, a grid cloth layer and a chopped strand layer, wherein the alkali-resistant glass fiber layer accounts for 38-40% of the total mass of the high-performance alkali-resistant glass fiber mat, the grid cloth layer accounts for 32-35% of the total mass of the high-performance alkali-resistant glass fiber mat, the chopped strand layer accounts for 25-30% of the total mass of the high-performance alkali-resistant glass fiber mat, the alkali-resistant glass fiber layer is woven by alkali-resistant glass fibers with the fiber length of 5-7mm, the grid cloth layer is woven by alkali-free glass fibers and medium-alkali glass fibers with the mass ratio of 4:1, and the chopped strand layer is woven by glass fiber chopped strands with the fiber length of 7-9 mm. Through the mode, the alkali resistance and the aging resistance of the glass fiber mat can be effectively improved, the service life is prolonged, and the application range is widened.
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申请号:201910994262.7 公开号:CN110898793A 主分类号:B01J20/02
申请人:【中文】长沙理工大学【EN】Changsha University of Science & Technology 申请日:2019.10.18 公开日:2020.03.24
摘要:【中文】本发明公开了一种利用硼掺杂介孔碳去除水体中重金属的方法,该方法包括以下步骤:将硼掺杂介孔碳与含重金属水溶液混合进行振荡吸附,固液分离,完成对水体中重金属的去除。本发明利用硼掺杂介孔碳去除水体中重金属的方法具有工艺简单、操作简便、实用性强、适应范围广、处理效率高、去除效果好等优点。以重金属铅为例,采用硼掺杂介孔碳处理含铅离子水溶液可在1h内实现吸附平衡,吸附效率高;对铅的理论最高吸附量高达439.0mg/g,吸附容量高;同时,该硼掺杂介孔碳可在不同的pH值、温度下均能实现对多种重金属的有效吸附,适应范围很广,因而对于快速、有效的去除水体中重金属具有重要十分的意义。 【EN】The invention discloses a method for removing heavy metals in water by using boron-doped mesoporous carbon, which comprises the following steps: mixing the boron-doped mesoporous carbon with the heavy metal-containing aqueous solution for oscillation adsorption, and performing solid-liquid separation to remove the heavy metals in the water body. The method for removing the heavy metals in the water body by using the boron-doped mesoporous carbon has the advantages of simple process, simplicity and convenience in operation, strong practicability, wide application range, high treatment efficiency, good removal effect and the like. Taking heavy metal lead as an example, the boron-doped mesoporous carbon is adopted to treat the lead-containing ion aqueous solution, so that the adsorption balance can be realized within 1h, and the adsorption efficiency is high; the theoretical highest adsorption quantity to lead is up to 439.0mg/g, and the adsorption capacity is high; meanwhile, the boron-doped mesoporous carbon can realize effective adsorption of various heavy metals at different pH values and temperatures, and has a wide application range, so that the boron-doped mesoporous carbon has great significance for quickly and effectively removing the heavy metals in the water body.
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申请号:201911108670.4 公开号:CN110909642A 主分类号:G06K9/00
申请人:【中文】南京理工大学【EN】NANJING UNIVERSITY OF SCIENCE AND TECHNOLOGY 申请日:2019.11.13 公开日:2020.03.24
摘要:【中文】本发明公开了一种基于多尺度语义特征融合的遥感图像目标检测方法,使用卷积神经网络提取遥感图像的特征图,根据特征图的不同尺度大小,构建出特征金字塔;通过对特征金字塔网络中多层特征的融合,输出整张图像的掩码图和语义特征图;再利用候选区域网络,从掩码加权过的特征金字塔中提取出不同尺度对应的候选区域框;根据这些候选区域框,在特征金字塔网络、全图的语义特征图和原始输入图像上获得候选区域对应的局部特征,对这些多层次的局部区域特征进行融合操作,得到更加鲁棒的区域特征;最后,在感兴趣区域网络中根据融合的区域特征进行各个候选区域的边界框偏移量回归和类别预测。本发明更好地对多种特征进行了融合,提高了遥感图像目标检测的精度。 【EN】The invention discloses a remote sensing image target detection method based on multi-scale semantic feature fusion, which comprises the steps of extracting a feature map of a remote sensing image by using a convolutional neural network, and constructing a feature pyramid according to different scales of the feature map; outputting a mask image and a semantic feature image of the whole image by fusing the multilayer features in the feature pyramid network; extracting candidate region frames corresponding to different scales from the feature pyramid weighted by the mask by using a candidate region network; according to the candidate region frames, local features corresponding to the candidate regions are obtained on the feature pyramid network, the semantic feature map of the whole map and the original input image, and fusion operation is carried out on the multi-layer local region features to obtain more robust region features; and finally, performing bounding box offset regression and category prediction of each candidate region in the interested region network according to the fused region characteristics. The method and the device can better fuse various characteristics and improve the target detection precision of the remote sensing image.
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申请号:201811113111.8 公开号:CN110938988A 主分类号:D06M13/207
摘要:【中文】本发明公开了一种消臭纺织品。该纺织品至少一面上包括互为独立的区域A以及区域B,形成区域A的纤维上附着有含羧基的化合物及其衍生物,形成区域B的纤维上附着有含氨基的化合物及其衍生物。本发明的纺织品可以同时消除氨臭和酸臭,生产方法简单易行,成本低廉,可广泛用于生产内衣、运动服、家居服、袜子、鞋垫等。 【EN】The invention discloses a deodorizing textile. The textile comprises a region A and a region B which are independent from each other on at least one surface, wherein a compound containing carboxyl and a derivative thereof are attached to fibers forming the region A, and a compound containing amino and a derivative thereof are attached to fibers forming the region B. The textile can simultaneously eliminate ammonia odor and acid odor, has simple and easy production method and low cost, and can be widely used for producing underwear, sportswear, home wear, socks, insoles and the like.
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