当前查询到29条专利与查询词 "Ning Weihua"相关,搜索用时0.2187586秒!排序方式:
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申请号:202010027262.2 公开号:CN111135457A 主分类号:A61N1/36
摘要:【中文】本发明公开了一种电针灸治疗系统,涉及医疗器械领域,能灵活控制输出电流,实现调频、调幅、控制载波频率、占空比和脉冲极性的功能。本发明包括:电源分别连接控制器和功率放大电路,控制器、功率放大电路、输出电路依次连接,电针连接于输出电路的输出端。功率放大电路包括载波调理电路和功放电源调控电路。载波调理电路包含一个四通道两输入与非门。功放电源调控电路包含压降转换器和运算放大器,压降转换器的反馈电压管脚和控制器的数模转换接口连接,控制器的数模转换接口还连接运算放大器的输入端。功率放大电路的输出端连接输出电路的输入端,输出电路的输入端连接电针。本发明结构简单可靠,调整的参数灵活丰富,便于提供多种的治疗方案。 【EN】The invention discloses an electric acupuncture treatment system, relates to the field of medical instruments, and can flexibly control output current and realize the functions of frequency modulation, amplitude modulation, carrier frequency control, duty ratio control and pulse polarity control. The invention comprises the following steps: the power supply is respectively connected with the controller and the power amplification circuit, the controller, the power amplification circuit and the output circuit are sequentially connected, and the electric needle is connected with the output end of the output circuit. The power amplifying circuit comprises a carrier conditioning circuit and a power amplifier power supply regulating and controlling circuit. The carrier conditioning circuit comprises a four-channel two-input NAND gate. The power amplifier power supply regulating and controlling circuit comprises a voltage drop converter and an operational amplifier, wherein a feedback voltage pin of the voltage drop converter is connected with a digital-to-analog conversion interface of the controller, and the digital-to-analog conversion interface of the controller is also connected with the input end of the operational amplifier. The output end of the power amplifying circuit is connected with the input end of the output circuit, and the input end of the output circuit is connected with the electric needle. The invention has simple and reliable structure, flexible and rich adjustment parameters and is convenient to provide various treatment schemes.
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申请号:201911224257.4 公开号:CN110975749A 主分类号:B01J2/00
摘要:【中文】本发明属于精细化工技术领域,具体涉及一种粉末硫脲造粒的方法,工艺包括以下步骤:(1)超声预混工段:将一定量的粘结剂溶于溶剂超声混匀,然后加入粉末硫脲,在一定温度下超声搅拌一段时间制备固含量为30%‑60%的悬浊液;(2)凝胶工段:将悬浊液倒入模具中放入烘箱中进行凝胶化,得到初聚体;(3)成型工段:初聚体进行冷却成型即可。该处理方法操作简单,易于控制,效果较好,成型率高,周期短,在后续反应中易于投料,不影响硫脲的品质,更易于工业化应用。 【EN】The invention belongs to the technical field of fine chemical engineering, and particularly relates to a method for granulating powder thiourea, which comprises the following steps: (1) an ultrasonic premixing section: dissolving a certain amount of binder in a solvent, uniformly mixing by ultrasound, then adding powder thiourea, and preparing a suspension with the solid content of 30-60% by ultrasound stirring for a period of time at a certain temperature; (2) a gel section: pouring the suspension into a mould, and putting the mould into a drying oven for gelation to obtain a primary polymer; (3) a forming section: cooling and forming the initial polymer. The treatment method is simple to operate, easy to control, good in effect, high in forming rate, short in period, easy to feed in subsequent reaction, free of influence on quality of thiourea and easy for industrial application.
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申请号:201911418447.X 公开号:CN111018758A 主分类号:C07C327/22
摘要:【中文】本发明涉及微电子化学技术领域,尤其涉及一种含硫单体、其制备方法及应用。本发明提供的含硫单体具有式(I)所示结构。本发明提供的含硫单体可以用于制造超大规模集成电路芯片所使用的以193nm深紫外光为曝光光源的光刻胶成膜树脂,制得的光刻胶成膜树脂透光性能和抗刻蚀性能均较好,分辨率和折光率均较高,适用于干法曝光和浸没曝光工艺,满足制造大规模集成电路芯片的严格要求。 【EN】The invention relates to the technical field of microelectronic chemistry, in particular to a sulfur-containing monomer, and a preparation method and application thereof. The sulfur-containing monomer provided by the invention has a structure shown in a formula (I). The sulfur-containing monomer provided by the invention can be used for manufacturing photoresist film-forming resin which is used for manufacturing a super-large scale integrated circuit chip and takes 193nm deep ultraviolet light as an exposure light source, the prepared photoresist film-forming resin has good light transmittance and etching resistance, and high resolution and refractive index, is suitable for dry exposure and immersion exposure processes, and meets the strict requirements for manufacturing large scale integrated circuit chips.
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申请号:202010073391.5 公开号:CN111154380A 主分类号:C09D163/00
摘要:【中文】一种光敏自修复防腐材料及其制备方法,属于防腐技术领域,将环氧树脂、1,1,1‑三(肉桂酰氧基甲基)乙烷溶于丁酮中,经搅拌混合均匀后加入固化剂、分散剂、流平剂和消泡剂,再搅拌混合,即得光敏自修复防腐材料。将其制备成涂层后能在紫外光照射下快速修复创面,使防腐涂层具有光敏自修复功能,修复效率能达到75%以上。 【EN】A photosensitive self-repairing anticorrosive material and a preparation method thereof belong to the technical field of anticorrosion, and the photosensitive self-repairing anticorrosive material is prepared by dissolving epoxy resin and 1,1, 1-tri (cinnamoyloxymethyl) ethane in butanone, adding a curing agent, a dispersing agent, a leveling agent and a defoaming agent after stirring and mixing uniformly, and stirring and mixing again. After the coating is prepared, the wound surface can be quickly repaired under the irradiation of ultraviolet light, so that the anticorrosive coating has a photosensitive self-repairing function, and the repairing efficiency can reach over 75 percent.
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申请号:202010017295.9 公开号:CN111138328A 主分类号:C07C335/02
摘要:【中文】本发明属于精细化工领域,具体涉及一种利用硫磺合成硫脲的方法,以硫磺、黄磷与尿素为原料,在催化剂作用下,合成目标产物硫脲,该发明操作步骤简单,能耗低,生产周期短,产品收率和纯度高,满足市场对硫脲的质量要求;原料易得且价格较低,不受地域限制;在保证产品收率和品质的前提下大大降低了生产成本。 【EN】The invention belongs to the field of fine chemical engineering, and particularly relates to a method for synthesizing thiourea by utilizing sulfur, which takes sulfur, yellow phosphorus and urea as raw materials to synthesize a target product thiourea under the action of a catalyst, wherein the method has the advantages of simple operation steps, low energy consumption, short production period, high product yield and purity, and can meet the quality requirements of the market on the thiourea; the raw materials are easy to obtain and have lower price, and the method is not limited by regions; greatly reduces the production cost on the premise of ensuring the yield and the quality of the product.
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申请号:202010000633.8 公开号:CN111091565A 主分类号:G06T7/00
申请人:【中文】西南交通大学【EN】SOUTHWEST JIAOTONG University 申请日:2020.01.02 公开日:2020.05.01
摘要:【中文】本发明提供了一种自适应运动特征匹配与识别的弓网接触点检测方法,涉及铁路弓网检测与智能监测技术领域。将车顶监控摄像头拍摄的弓网图像构成弓网图像库,标注出以弓网接触点为中心的包围框,弓网图像及其标注结果构成弓网接触点数据集,构建弓网接触点检测网络,并使用弓网接触点数据集对该检测网络进行训练。并通过最小距离判断完成弓网接触点的匹配,进而建立弓网接触点信息集合,接着通过分析每个弓网接触点的运动特征序列,即判断该弓网接触点运动的横向速度方向变化的次数,以及横向坐标和纵向坐标的变化范围是否满足条件,同时根据识别出的真弓网接触点数据对检测网络进行在线学习,使得整个过程能够保持对环境的适应能力。 【EN】The invention provides a pantograph-catenary contact point detection method for adaptive motion characteristic matching and identification, and relates to the technical field of railway pantograph-catenary detection and intelligent monitoring. Forming a bow net image library by a bow net image shot by a roof monitoring camera, marking out an enclosing frame taking a bow net contact point as a center, forming a bow net contact point data set by the bow net image and a marking result thereof, constructing a bow net contact point detection network, and training the detection network by using the bow net contact point data set. And matching of the pantograph and catenary contact points is completed through minimum distance judgment, a pantograph and catenary contact point information set is further established, then, whether the change frequency of the transverse speed direction of the movement of each pantograph and catenary contact point and the change range of the transverse coordinate and the longitudinal coordinate meet conditions or not is judged through analyzing the movement characteristic sequence of each pantograph and catenary contact point, and meanwhile, online learning is carried out on a detection network according to the identified real pantograph and catenary contact point data, so that the whole process can keep the adaptability to the environment.
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申请号:202010030391.7 公开号:CN111259762A 主分类号:G06K9/00
申请人:【中文】西南交通大学【EN】SOUTHWEST JIAOTONG University 申请日:2020.01.13 公开日:2020.06.09
摘要:【中文】本发明提供了一种受电弓异常检测方法,涉及铁路弓网智能检测与监测技术领域。对受电弓图像进行区域编码,对检测网络进行训练,受电弓异常检测网络采用深度编解码结构,由输入层、中间层和输出层构成,其中中间层共有35层,在异常检测过程中,将所有元素均设置为零,通过该网络对输入图像及其区域编码进行正向处理,并将第一个图像生成结果作为输入图像对应的无异常图像,之后通过两者对比获得异常检测结果。然后对融合的输入图像及其编码进行学习,训练完成后,该异常检测网络则能够恢复输入图像的无异常数据,进而可以准确地检测出受电弓图像是否存在异常,通过对存在异常的受电弓图像进行在线学习提高其异常检测的鲁棒性。 【EN】The invention provides a pantograph abnormity detection method, and relates to the technical field of railway pantograph-catenary intelligent detection and monitoring. The method comprises the steps of carrying out regional coding on a pantograph image, training a detection network, wherein the pantograph anomaly detection network adopts a deep coding and decoding structure and comprises an input layer, an intermediate layer and an output layer, wherein the intermediate layer comprises 35 layers, all elements are set to be zero in the anomaly detection process, the input image and the regional coding thereof are subjected to forward processing through the network, a first image generation result is used as an anomaly-free image corresponding to the input image, and then the anomaly detection result is obtained through comparison of the input image and the first image. And then, learning the fused input image and the codes thereof, and after training is finished, the anomaly detection network can recover the abnormal data of the input image so as to accurately detect whether the pantograph image has anomaly or not, and improve the robustness of anomaly detection by online learning the abnormal pantograph image.
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申请号:201911337963.X 公开号:CN110844920A 主分类号:C01C3/16
摘要:【中文】本发明的提供了一种提升单氰胺产品品质的方法,包括以下步骤:在单氰胺产品中加入氧化剂,去除单氰胺产品中的含氰络合物;所述单氰胺产品石灰氮、二氧化碳和水反应后过滤得到的单氰胺滤液;所述单氰胺产品中单氰胺15~50wt%、双氰胺0.5~2.0wt%、水48~85wt%、含氰络合物1~100mg/kg;所述单氰胺产品的pH值为4~7;所述氧化剂为双氧水、臭氧、氧气、次氯酸钠、高锰酸中的一种或多种。本发明使用氧化的方式解决了单氰胺产品中含氰络合物的残留的问题,通过控制料液的pH值以及氧化剂等手段,保证了单氰胺产品的稳定性,实现了在不影响单氰胺产品品质的前提下,有效去除氰根离子,提升了单氰胺产品品质。 【EN】The invention provides a method for improving the quality of a cyanamide product, which comprises the following steps: adding an oxidant into the cyanamide product to remove a cyanogen-containing complex in the cyanamide product; reacting the cyanamide product lime nitrogen, carbon dioxide and water, and filtering to obtain a cyanamide filtrate; 15-50 wt% of cyanamide in the cyanamide product, 0.5-2.0 wt% of dicyandiamide, 48-85 wt% of water and 1-100 mg/kg of cyanogen-containing complex; the pH value of the cyanamide product is 4-7; the oxidant is one or more of hydrogen peroxide, ozone, oxygen, sodium hypochlorite and permanganate. The method solves the problem of residue of cyanogen-containing complex in the cyanamide product by using an oxidation mode, ensures the stability of the cyanamide product by means of controlling the pH value of feed liquid, an oxidant and the like, effectively removes cyanide ions on the premise of not influencing the quality of the cyanamide product, and improves the quality of the cyanamide product.
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申请号:201911323673.X 公开号:CN110921682A 主分类号:C01C3/16
摘要:【中文】本发明属于化工领域,具体涉及一种单氰胺溶液的净化方法,该方法采用阴阳离子交换树脂对单氰胺进行处理,降低单氰胺溶液中铵根、硫氰根、铁、硅、钙、镁等离子含量,使单氰胺溶液在自然环境温度下能稳定存在,无不溶物析出,且长时间放置含量不降低,进而提升单氰胺品质。 【EN】The invention belongs to the field of chemical industry, and particularly relates to a method for purifying a cyanamide solution.
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申请号:201911308518.0 公开号:CN110981775A 主分类号:C07C335/02
摘要:【中文】本发明提供了一种去除硫脲料液中氨气的方法,包括以下步骤:使用脱气膜脱除硫脲料液中的氨气,并在脱气膜的外侧通入酸液吸收氨气。本发明采用脱气膜对硫脲料液进行处理,在处理过程中,利用氨气在脱气膜两侧的分压压差,实现氨气的定向移动,脱除的氨气被膜外侧的酸液吸收形成铵盐,所产生的铵盐经处理后作为副产品外卖。该处理方法不蒸出水,不改变钙的溶解性,在处理过程中无钙盐的析出。上述方法适用于工业化生产,能稳定高效的处理硫脲料液中的氨,同时解决现有方法中二次污染及钙析出的堵塞设备问题,在硫脲的工业化生产领域有很大的应用意义。 【EN】The invention provides a method for removing ammonia in thiourea feed liquid, which comprises the following steps: and removing ammonia gas in the thiourea feed liquid by using a degassing membrane, and introducing acid liquor to the outer side of the degassing membrane to absorb the ammonia gas. According to the invention, the thiourea feed liquid is treated by the degassing membrane, in the treatment process, the ammonia gas is directionally moved by utilizing the partial pressure difference of the ammonia gas on two sides of the degassing membrane, the removed ammonia gas is absorbed by the acid liquid on the outer side of the membrane to form ammonium salt, and the generated ammonium salt is treated and taken out as a byproduct. The treatment method does not evaporate water, does not change the solubility of calcium, and does not precipitate calcium salt in the treatment process. The method is suitable for industrial production, can stably and efficiently treat ammonia in thiourea feed liquid, solves the problems of secondary pollution and equipment blockage caused by calcium precipitation in the conventional method, and has great application significance in the field of industrial production of thiourea.
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