摘要：【中文】本发明涉及甲基噻唑合成技术领域，尤其涉及一种2氯‑5氯甲基噻唑合成反应系统。由于化学反应会产生杂质，影响反应时间和反应底物的后续处理，采用原料在进入反应釜时，将有机溶剂溶解的2‑氨基‑5‑甲基噻唑与亚硝酸钠溶液在混合装置中混合，使有机物形成油状小液滴，在注入反应釜时更易于与氯化氢气体接触反应；反应釜顶部使用的分散装置上设置有多个贯穿的圆孔，混合液从喷射器中喷出后直接落到分散装置上，混合液再通过分散装置上的圆孔缓慢淋入反应釜，增加了氯化氢气体与混合液的接触时间，使气体更易溶解，提高生产效率；氯化剂使用的氯化氢气体，反应后的滤液经简单的处理后，滤液中主要成分为盐酸，混合装置可套用滤液，节约成本。 【EN】The invention relates to the technical field of methylthiazole synthesis, in particular to a 2-chloro-5-chloromethyl thiazole synthesis reaction system. Because the chemical reaction can generate impurities to influence the reaction time and the subsequent treatment of a reaction substrate, when the adopted raw materials enter a reaction kettle, 2-amino-5-methylthiazole dissolved in an organic solvent is mixed with a sodium nitrite solution in a mixing device, so that organic matters form oily small drops which are easier to contact and react with hydrogen chloride gas when injected into the reaction kettle; the dispersing device used at the top of the reaction kettle is provided with a plurality of through round holes, the mixed liquid is sprayed out from the sprayer and then directly falls onto the dispersing device, and the mixed liquid is slowly sprayed into the reaction kettle through the round holes on the dispersing device, so that the contact time of the hydrogen chloride gas and the mixed liquid is prolonged, the gas is more easily dissolved, and the production efficiency is improved; the hydrogen chloride gas used by the chlorinating agent is used, the filtrate after the reaction is simply treated, the main component in the filtrate is hydrochloric acid, and the filtrate can be reused by a mixing device, so that the cost is saved.

摘要：【中文】本发明提供了一种集成内部金属屏蔽层的光电神经探针及制备方法，包括：电生理信号记录通道，用于将神经电信号从电极点传导至采集系统的通路；激光二极管供电通道，用于将脉冲式的电流或者电压信号传导至神经探针基部的焊盘处用于驱动激光二极管工作的通路；金属屏蔽层，集成于电生理信号记录通道与激光二极管供电通道之间。本发明不但具有神经信号记录和光刺激功能，其在探针基部集成的中间金属屏蔽层，将电生理信号记录通道和激光二极管的供电通道分层隔离，使电生理通道记录到的电磁干扰产生的刺激跟随伪迹有很大的衰减，降低了在动物体内进行光遗传实验中刺激跟随伪迹对神经动作电位造成的污染。本发明采用MEMS工艺，具有较高的复现性。 【EN】The invention provides a photoelectric nerve probe integrated with an internal metal shielding layer and a preparation method thereof, wherein the preparation method comprises the following steps: the electrophysiological signal recording channel is used for conducting the neural electric signal from the electrode point to a channel of the acquisition system; the laser diode power supply channel is used for conducting a pulse type current or voltage signal to a path used for driving the laser diode to work at a welding pad at the base part of the nerve probe; and the metal shielding layer is integrated between the electrophysiological signal recording channel and the laser diode power supply channel. The invention not only has the functions of recording the neural signals and photostimulating, but also separates an electrophysiological signal recording channel from a power supply channel of a laser diode by layers by the middle metal shielding layer integrated at the base part of the probe, so that stimulation following artifacts generated by electromagnetic interference recorded by the electrophysiological channel are greatly attenuated, and the pollution to the neural action potential caused by the stimulation following artifacts in the optogenetic experiment carried out in an animal body is reduced. The invention adopts MEMS process, and has high reproducibility.

摘要：【中文】本发明提供了一种用于生物植入的柔性可拉伸神经探针以及其制备方法，包括：第一柔性聚合物层、金属导线层和第二柔性聚合物层；其中，金属导线层包裹于第一柔性聚合物层和第二柔性聚合物层之间，并在第一柔性聚合物层或第二柔性聚合物层的表面上露出金属导线层的电极点和连接点；第一柔性聚合物层、第二柔性聚合物层设有规则排布狭缝。本发明探针不但具有柔性，其在柔性聚合物层上开有规则排布的狭缝，使得薄膜具有大的可拉伸性，同时柔性聚合物层上的狭缝使得探针两侧的生物体液得以循环从而加强植入探针的生物相容能力。 【EN】The present invention provides a flexible stretchable nerve probe for bioimplantation and a method for preparing the same, comprising: a first flexible polymer layer, a metal wire layer, and a second flexible polymer layer; the metal wire layer is wrapped between the first flexible polymer layer and the second flexible polymer layer, and the electrode points and the connection points of the metal wire layer are exposed on the surface of the first flexible polymer layer or the second flexible polymer layer; the first flexible polymer layer and the second flexible polymer layer are provided with regularly arranged slits. The probe not only has flexibility, but also is provided with regularly arranged slits on the flexible polymer layer, so that the film has large stretchability, and meanwhile, the slits on the flexible polymer layer enable biological body fluid on two sides of the probe to circulate, thereby enhancing the biocompatibility of the implanted probe.

摘要：【中文】本发明公开了一种激光选区熔化增材制造成型缸缸体自动卡箍机构，包括主滑轨底板、左滑板、右滑板、螺纹调节卡头、螺纹调节伸缩管和内螺纹调节固定块，主滑轨底板为长条板，其上开有作为滑槽的长通槽，左滑板和右滑板上均开有配合通槽，左滑板和右滑板通过滑动连接在主滑轨底板的两侧，左滑板和右滑板的端部上分别设置有能够旋入螺纹调节卡头的内螺纹调节固定块，在螺纹调节伸缩管的两端上分别设置有能够旋入螺纹调节卡头的内螺纹调节固定块，螺纹调节伸缩管的中心与主滑轨底板的中心位置固定连接，二者之间可发生相对转动。本发明工具的力矩大不容易滑脱，方便实现，对四槽锁紧螺母拆装的装夹稳定性好，并且旋拧力度大且对深槽、空间狭窄性区域更具有适用性。 【EN】The invention discloses an automatic hoop mechanism of a cylinder body of a laser selective melting additive manufacturing forming cylinder, which comprises a main slide rail bottom plate, a left slide plate, a right slide plate, a thread adjusting chuck, a thread adjusting telescopic pipe and an internal thread adjusting fixed block, wherein the main slide rail bottom plate is a strip plate, a long through groove serving as a sliding groove is formed in the main slide rail bottom plate, matching through grooves are formed in the left slide plate and the right slide plate, the left slide plate and the right slide plate are connected to two sides of the main slide rail bottom plate in a sliding mode, the internal thread adjusting fixed blocks capable of being screwed in the thread adjusting chuck are respectively arranged at the end parts of the left slide plate and the right slide plate, the internal thread adjusting fixed blocks capable of being screwed in the thread adjusting chuck are respectively arranged at two ends of the thread adjusting telescopic pipe, the center of the thread adjusting telescopic pipe. The tool has large torque, is not easy to slip, is convenient to realize, has good clamping stability for disassembling and assembling the four-groove locking nut, has large screwing force and has applicability to deep grooves and narrow space areas.

摘要：【中文】本发明提供一种点邻域尺度差异描述的点云配准方法，通过对源点云和目标点云中离散点进行最小二乘曲面拟合得到局部曲面，求出曲面的形状指数SI，即该离散点的形状指数，选取形状指数在邻域内最大或最小且满足阈值的点作为点云的关键点；进行特征描述符构造，计算关键点在不同邻域半径下的特征归一化向量差值和法向量夹角差值组合成点领域尺度差异描述符；根据特征描述符的相似程度找出对应点并使用二重筛选和基于全局距离的最优查找算法分别滤除错误点对和估计对应关系。本发明得到的关键点具有很好的代表性和区别性，对点云分布密度差异较大或存在噪声点的情况效果明显，计算简单，提高点云配准速度和精度，具有很好的抗干扰能力。 【EN】The invention provides a point cloud registration method for describing point neighborhood scale difference, which comprises the steps of performing least square surface fitting on discrete points in source point cloud and target point cloud to obtain a local curved surface, solving the shape index SI of the curved surface, namely the shape index of the discrete points, and selecting the point with the shape index which is the largest or the smallest in a neighborhood and meets a threshold value as a key point of the point cloud; constructing a feature descriptor, and calculating a feature normalization vector difference value and a normal vector included angle difference value of the key point under different neighborhood radiuses to form a point domain scale difference descriptor; and finding out corresponding points according to the similarity of the feature descriptors, and respectively filtering error point pairs and estimating corresponding relations by using a double-screening and global distance-based optimal search algorithm. The key points obtained by the method have good representativeness and distinctiveness, have obvious effect on the condition that the distribution density difference of point clouds is large or noise points exist, are simple to calculate, improve the point cloud registration speed and precision and have good anti-interference capability.

摘要：【中文】本发明公开了一种用于薄壁圆管径向挤压变形的安装结构，该安装结构包括：安装底板；导向柱，安装在安装底板上，其上具有肋板；多根立柱，安装在安装底板上，立柱设在导向柱外围，其上设导向孔；受力板；多个压头结构，安装在受力板上；固定框架，围设在多个压头结构外侧，压头结构固定安装在固定框架上；多根导杆，安装在受力板上，导杆穿设在导向孔内。该安装结构能确保压头结构与薄壁圆管具有确定的作用位置，确保多个压头结构沿薄壁圆管轴向方向同时挤压薄壁圆管，避免产生斜向加载和吸能装置侧翻；无需在安装端预留供薄壁圆管和导向柱伸出的空间，安装简单，适用范围广。 【EN】The invention discloses a mounting structure for radial extrusion deformation of a thin-wall circular tube, which comprises: mounting a bottom plate; the guide post is arranged on the mounting bottom plate and is provided with a ribbed plate; the upright columns are arranged on the installation bottom plate, are arranged on the periphery of the guide columns and are provided with guide holes; a stress plate; the plurality of pressure head structures are arranged on the stress plate; the fixed frame is arranged around the outer sides of the plurality of pressure head structures, and the pressure head structures are fixedly arranged on the fixed frame; and the guide rods are arranged on the stress plate and penetrate through the guide holes. The installation structure can ensure that the pressure head structure and the thin-wall circular tube have a determined action position, ensure that a plurality of pressure head structures simultaneously extrude the thin-wall circular tube along the axial direction of the thin-wall circular tube, and avoid the generation of oblique loading and the rollover of the energy absorption device; the space for the thin-wall circular tube and the guide column to extend out does not need to be reserved at the installation end, the installation is simple, and the application range is wide.

摘要：【中文】本发明涉及稀土永磁体表面物理气相沉积稀土金属材料的设备，具体为稀土永磁体表面真空镀膜设备。解决现有稀土永磁体真空镀膜设备存在的沉积速率较低、电耗高以及靶材利用率较低的问题。该设备包括壳体，阴极板和设置于阴极板上的稀土金属靶材，靶材背部设置有磁性材料；靶材由多个分段靶材等距或不等距间隔排列而成且整体呈条形长方体状，每个分段靶材的长度L1是整体靶材长度L的2%－15%，相邻分段靶材之间的间隔L2是分段靶材长度L1的30%－50%；靶材背部设置的磁性材料形成的磁场强度为80GS～180GS；壳体内氩气的充入量使壳体内真空度保持在0.8Pa～3Pa。本发明提高了靶材利用率和沉积速率，电耗大幅度降低。 【EN】The invention relates to equipment for depositing a rare earth metal material on the surface of a rare earth permanent magnet by physical vapor deposition, in particular to vacuum coating equipment for the surface of the rare earth permanent magnet. The problems of low deposition rate, high power consumption and low target utilization rate of the conventional rare earth permanent magnet vacuum coating equipment are solved. The device comprises a shell, a negative plate and a rare earth metal target arranged on the negative plate, wherein the back of the target is provided with a magnetic material; the target is formed by arranging a plurality of segmented targets at equal intervals or unequal intervals, the whole target is in a strip cuboid shape, the length L1 of each segmented target is 2-15% of the length L of the whole target, and the interval L2 between adjacent segmented targets is 30-50% of the length L1 of the segmented target; the magnetic field intensity formed by the magnetic material arranged on the back of the target material is 80 GS-180 GS; the filling amount of argon in the shell keeps the vacuum degree in the shell between 0.8Pa and 3 Pa. The invention improves the utilization rate and the deposition rate of the target material and greatly reduces the power consumption.

摘要：【中文】本发明提供了一种消除铝合金电子束焊缝接头气孔缺陷的焊接方法，该焊接方法采用真空电子束焊接方法，电子束采用摆动扫描的形式进行焊接，摆动扫描所形成的扫描轨迹以“8”形扫描轨迹为重复单元，由多个“8”形扫描轨迹交错排列而成，其中，所述“8”形扫描轨迹的纵向在沿着焊缝方向上，所述“8”字形扫描轨迹的横向与焊缝方向垂直。本发明中焊接方法适用于因在铸造铝合金中添加锶变质剂使得合金吸氢造成针孔倾向较大、材料致密性较差的材料，也可适用于普通的铸造铝合金的焊接中，适用广泛，对消除气孔有极佳的效果，且极大增强了焊接处的抗拉强度。 【EN】The invention provides a welding method for eliminating the air hole defect of an aluminum alloy electron beam welding seam joint, which adopts a vacuum electron beam welding method, wherein an electron beam is welded in a swing scanning mode, a scanning track formed by the swing scanning takes an 8-shaped scanning track as a repeating unit and is formed by staggering a plurality of 8-shaped scanning tracks, wherein the longitudinal direction of the 8-shaped scanning track is along the direction of a welding seam, and the transverse direction of the 8-shaped scanning track is vertical to the direction of the welding seam. The welding method is suitable for the materials with larger tendency of pinholes and poorer material compactness caused by hydrogen absorption of the alloy due to the addition of the strontium modifier in the cast aluminum alloy, can also be suitable for the welding of the common cast aluminum alloy, has wide application range, has excellent effect on eliminating pores, and greatly enhances the tensile strength of the welding position.

摘要：【中文】本发明提供一种电力机车用大功率直驱永磁电传动系统，包括：第一四象限整流器、第二四象限整流器、中间直流回路、第一逆变模块、第二逆变模块、第三逆变模块和辅助变流器，第一四象限整流器和第二四象限整流器均连接电力机车的主变压器和中间直流回路，中间直流回路分别连接第一逆变模块、第二逆变模块、第三逆变模块和辅助变流器。本发明能够对使用大功率直驱永磁同步电机的电力机车中的直驱永磁同步电机进行控制，丰富了电力机车用大功率直驱永磁电传动系统的功能，填补了直驱永磁同步电机在电力机车中应用的空白。 【EN】The invention provides a high-power direct-drive permanent magnet electric transmission system for an electric locomotive, which comprises: the first four-quadrant rectifier and the second four-quadrant rectifier are connected with a main transformer and a middle direct current loop of the electric locomotive, and the middle direct current loop is respectively connected with the first inversion module, the second inversion module, the third inversion module and the auxiliary converter. The invention can control the direct-drive permanent magnet synchronous motor in the electric locomotive using the high-power direct-drive permanent magnet synchronous motor, enriches the functions of the high-power direct-drive permanent magnet electric transmission system for the electric locomotive and fills the blank of the application of the direct-drive permanent magnet synchronous motor in the electric locomotive.

摘要：【中文】本发明公开了光纤耦合污染物传感器及污染物浓度测量方法，涉及污染物检测领域，光纤耦合污染物传感器包括两根光纤，光纤的中部耦合为锥腰耦合区，锥腰耦合区的包层覆盖有气敏材料，锥腰耦合区的光纤设置有光栅；方法包括S1传感器吸附污染物S2采集传感器透射光谱S3根据透射光谱确定传感器吸附后的折射率S4确定吸附后折射率与污染物浓度关系S5根据吸附后折射率与污染物浓度关系得到检测区污染物浓度；传感器具有传感灵敏度高、结构简单、成本低廉、体积小、重量轻、易于集成等优点；通过对透射光谱进分析得到吸附后折射率与透射光谱关系，吸附后折射率与污染物浓度关系，最终得到未知污染物浓度检测区的污染物浓度，从而实现对污染物浓度的监测。 【EN】The invention discloses an optical fiber coupling pollutant sensor and a pollutant concentration measuring method, and relates to the field of pollutant detection, wherein the optical fiber coupling pollutant sensor comprises two optical fibers, the middle part of each optical fiber is coupled into a conical waist coupling area, the cladding of the conical waist coupling area is covered with a gas-sensitive material, and the optical fiber of the conical waist coupling area is provided with a grating; the method comprises the steps that S1 the sensor adsorbs pollutants S2, the transmission spectrum S3 of the sensor is collected, the refractive index S4 after the sensor adsorbs is determined according to the transmission spectrum, the relation between the refractive index after adsorption and the pollutant concentration S5 is determined, and the pollutant concentration in the detection area is obtained according to the relation between the refractive index after adsorption and the pollutant concentration; the sensor has the advantages of high sensing sensitivity, simple structure, low cost, small volume, light weight, easy integration and the like; the relation between the refractive index after adsorption and the transmission spectrum is obtained by analyzing the transmission spectrum, and the relation between the refractive index after adsorption and the pollutant concentration is finally obtained, so that the pollutant concentration in an unknown pollutant concentration detection area is finally obtained, and the monitoring on the pollutant concentration is realized.