摘要：【中文】本发明公开了一种基于光固化3D打印成型技术的具有三维拓扑结构的电解质支撑固体氧化物燃料电池，本发明采用光固化3D打印技术，具有打印速度快，成型精度高，打印分辨率高，打印产品表面粗糙度低的优点。本发明主要有如下五个步骤：制备陶瓷光固化树脂浆料；利用三周期极小化曲面法(TPMS)设计具有三维拓扑结构的三维模型；光固化3D打印陶瓷坯体；陶瓷坯体进行脱脂烧结；电极材料的填充。本发明制备的具有三维拓扑结构的电解质支撑固化燃料电池大幅增加了电解质‑电极有效接触面的面积，提高了单位体积功率密度；并具有相互独立的高连通性孔道结构，便于反应气体的排出。结合上述两方面优点，本发明产品将极大改善固体氧化物燃料电池的发电效率。 【EN】The invention discloses an electrolyte supported solid oxide fuel cell with a three-dimensional topological structure based on a photocuring 3D printing and forming technology. The invention mainly comprises the following five steps: preparing ceramic light-cured resin slurry; designing a three-dimensional model with a three-dimensional topological structure by utilizing a three-cycle minimized surface method (TPMS); photocuring the 3D printing ceramic blank; degreasing and sintering the ceramic blank; and (5) filling an electrode material. The electrolyte supporting and solidifying fuel cell with the three-dimensional topological structure greatly increases the area of an effective contact surface of an electrolyte-electrode and improves the power density of unit volume; and the reaction gas is conveniently discharged due to the mutually independent high-connectivity pore channel structures. By combining the advantages of the two aspects, the product of the invention can greatly improve the power generation efficiency of the solid oxide fuel cell.

摘要：【中文】本发明公开了一种改进型竖流沉淀池，包括池体，池体上设置有进水口和出水口，池体底部设置有上大下小的锥形的泥斗，池体内设置有刮泥装置，刮泥装置包括驱动装置、中心传动轴和刮板，中心传动轴与驱动装置的输出端相连，刮板固定在中心传动轴上，刮板位于泥斗的内侧，泥斗的底部开设有排泥口。本发明公开的改进型竖流沉淀池，其池体内设置有刮泥装置，在污水处理过程中，驱动装置可带动中心传动轴缓慢旋转，刮板可对作为污泥浓缩区的泥斗内的污泥起刮研和搅动作用，增加污泥的流动性，使污泥能够自排泥口持续顺利排出，避免污泥堵塞情况，对污泥的沉淀效果好，保证排泥的连续性和排泥效率，确保水质净化效果。 【EN】The invention discloses an improved vertical flow sedimentation tank which comprises a tank body, wherein a water inlet and a water outlet are formed in the tank body, a conical mud bucket with a large upper part and a small lower part is arranged at the bottom of the tank body, a mud scraping device is arranged in the tank body, the mud scraping device comprises a driving device, a central transmission shaft and a scraping plate, the central transmission shaft is connected with the output end of the driving device, the scraping plate is fixed on the central transmission shaft, the scraping plate is positioned on the inner side of the mud bucket, and a mud discharge port is formed in the bottom of the mud. The improved vertical flow sedimentation tank disclosed by the invention is characterized in that a sludge scraping device is arranged in a tank body, a driving device can drive a central transmission shaft to slowly rotate in the sewage treatment process, a scraper plate can scrape and stir sludge in a sludge hopper serving as a sludge concentration area, the fluidity of the sludge is increased, the sludge can be continuously and smoothly discharged from a sludge discharge port, the sludge blockage condition is avoided, the sedimentation effect on the sludge is good, the sludge discharge continuity and the sludge discharge efficiency are ensured, and the water quality purification effect is ensured.

摘要：【中文】本发明属于纳米材料领域，公开了一种利用混杂硅源制备碳化硅纳米晶须的方法。首先，将提纯处理后的晶硅废砂浆与其它无机含硅原料混合，组成混杂硅源。然后，通过两步球磨对混杂硅源进行球磨激活处理。最后，将依次装有混杂硅源与植物纤维的坩埚放在热处理炉中进行反应，获得又厚又密的碳化硅纳米晶须。本发明以工农业废弃物为主要原料，降低了原料成本，并通过两步球磨细化活化原料粉体，进而大大提高了碳化硅晶须的产率。此外，本发明也为高效回收利用晶硅废砂浆以及高价值利用农业植物废弃物提供了一种新思路。 【EN】The invention belongs to the field of nano materials, and discloses a method for preparing silicon carbide nano crystal whiskers by using a mixed silicon source. Firstly, the purified waste silicon crystal mortar is mixed with other inorganic silicon-containing raw materials to form a mixed silicon source. Then, the mixed silicon source is subjected to ball milling activation treatment through two-step ball milling. And finally, placing the crucibles sequentially filled with the mixed silicon source and the plant fibers in a heat treatment furnace for reaction to obtain thick and dense silicon carbide nano-whiskers. The invention takes industrial and agricultural wastes as main raw materials, reduces the cost of the raw materials, and activates the raw material powder through two-step ball milling refining, thereby greatly improving the yield of the silicon carbide crystal whisker. In addition, the invention also provides a new idea for efficiently recycling the crystalline silicon waste mortar and high-value utilization of agricultural plant wastes.

摘要：【中文】本申请属于安全监控技术领域，提供了一种产品安全监控方法、装置及系统，该系统包括：子螺丝、母螺丝、被测产品和监控装置；其中，所述母螺丝的底部设有第一和第二接触探头；所述母螺丝设于所述被测产品的外壳内部与所述被测产品的外壳固定连接；所述子螺丝与所述母螺丝固定连接，用于将封闭部件与所述被测产品的外壳连接；当所述子螺丝嵌入所述母螺丝底部时，所述第一接触探头与所述第二接触探头之间电导通；所述监控装置用于向所述第一接触探头提供电信号以及实时监测所述第二接触探头的信号状态；所述监控装置还用于在监控模式中，若所述信号状态低于预设阈值，则触发安全警报。本申请实施例解决安全机制隐蔽性低以及无法及时预警的问题。 【EN】The application belongs to the technical field of safety monitoring, and provides a product safety monitoring method, a device and a system, wherein the system comprises: the device comprises a son screw, a mother screw, a product to be detected and a monitoring device; the bottom of the female screw is provided with a first contact probe and a second contact probe; the female screw is arranged in the shell of the tested product and is fixedly connected with the shell of the tested product; the secondary screw is fixedly connected with the primary screw and is used for connecting the sealing component with the shell of the product to be tested; when the son screw is embedded into the bottom of the mother screw, the first contact probe and the second contact probe are electrically conducted; the monitoring device is used for providing an electric signal for the first contact probe and monitoring the signal state of the second contact probe in real time; the monitoring device is also used for triggering a safety alarm if the signal state is lower than a preset threshold value in a monitoring mode. The embodiment of the application solves the problems that the security mechanism is low in concealment and cannot give early warning in time.

摘要：【中文】本发明提供一种用于落料口处的金属异物去除设备，包括箱体、第一连接管和第二连接管；箱体内部设有多层框型抽屉；每层框型抽屉的内部分别设有多根磁力棒；相邻两层框型抽屉内部的磁力棒交错排列。该金属异物去除设备中，箱体内部设有多层框型抽屉，每层框型抽屉的内部分别设有多根磁力棒，且相邻两层框型抽屉内部的磁力棒交错排列，形成全格栅式结构，提高了磁力棒强磁场区域的利用率。多层磁力棒的设置使得PTA粉末中金属成分去除的更彻底效果更显著。磁力棒采用钕铁硼作为磁源，使用寿命长、无能耗、无污染。本申请提供的用于落料口处的金属异物去除设备还能够应用于清除其它粉状物料或者粒状物料中的铁磁性杂质。 【EN】The invention provides a metal foreign matter removing device for a blanking port, which comprises a box body, a first connecting pipe and a second connecting pipe, wherein the first connecting pipe is connected with the box body; a plurality of layers of frame-shaped drawers are arranged inside the box body; a plurality of magnetic rods are respectively arranged inside each layer of frame-shaped drawer; the magnetic bars in the two adjacent layers of frame-shaped drawers are arranged in a staggered manner. In the metal foreign matter removing equipment, a plurality of layers of frame-shaped drawers are arranged inside the box body, a plurality of magnetic rods are arranged inside each layer of frame-shaped drawer respectively, the magnetic rods inside two adjacent layers of frame-shaped drawers are arranged in a staggered mode to form a full-grid structure, and the utilization rate of the magnetic rod high-intensity magnetic field area is improved. The arrangement of the multilayer magnetic bars makes the more thorough effect of removing the metal components in the PTA powder more obvious. The magnetic bar adopts neodymium iron boron as a magnetic source, and has long service life, no energy consumption and no pollution. The application provides a metal foreign matter removes equipment for blanking mouth department can also be applied to and clear away the ferromagnetic impurity in other powdery material or the granular material.

摘要：【中文】本发明提出的是一种基于多层次聚合特征提取与融合的点云分类方法，包括如下步骤：(一)多层次点集的构建；(二)基于LLC‑LDA的点集特征提取；(三)基于多尺度最大池化(LLC‑MP)的点集特征提取；(四)基于多层次点集特征融合的点云分类。本发明提出一种基于多尺度最大池化和latent Dirichlet allocation(LDA)的多层次点集聚合特征提取与融合方法，并基于融合的聚合特征实现点云分类。本发明算法通过多层次聚类，自适应获取多层次多尺度目标点集，通过局部线性约束稀疏编码(Locality‑constrained Linear Coding，LLC)表达点云单点特征，利用点坐标构建尺度金字塔，并基于最大池化方法构造能够表征点集局部分布的特征，然后融合该特征与LLC‑LDA模型提取点集全局特征，最终利用融合的点集多层次聚合特征实现点云分类。 【EN】The invention provides a point cloud classification method based on multi-level aggregation feature extraction and fusion, which comprises the following steps: constructing a multi-level point set; secondly, extracting point set features based on LLC-LDA; thirdly, extracting the point set features based on multi-scale maximum pooling (LLC-MP); and (IV) point cloud classification based on multi-level point set feature fusion. The invention provides a multi-level point set aggregation feature extraction and fusion method based on multi-scale maximum pooling and Late Dirichlet Allocation (LDA), and point cloud classification is realized based on the fusion aggregation feature. The algorithm of the invention adaptively obtains a multi-level and multi-scale target point set through multi-level clustering, expresses point cloud single-point characteristics through local Linear constrained sparse Coding (LLC), constructs a scale pyramid by using point coordinates, constructs characteristics capable of representing the local distribution of the point set based on a maximum pooling method, extracts point set global characteristics by fusing the characteristics and an LLC-LDA model, and finally realizes point cloud classification by using the fused point set multi-level aggregation characteristics.

摘要：【中文】本发明提出的是一种机载激光雷达点云多视角特征联合学习下的语义标注方法，包括如下步骤：(1)多视角点云特征提取；(2)多视角特征联合学习的特征映射与分类模型的构建；(3)对所构建模型的优化求解方法；(4)基于多视角特征融合的点云语义分割。本发明提出一种基于标签和多空间局部分布一致性约束的点云多视角特征联合学习点云分类算法。该算法利用少量训练样本点训练模型，引入特征空间和位置空间局部分布一致性约束、多视角预测标签与真值标签一致性约束和多视角预测标签之间一致性约束，利用流形学习方法进行多视角特征子空间联合学习。本发明利用迭代算法联合求解优化多个视角的特征映射矩阵，能够获得无冗余信息、低噪声且更具判别性的特征和最优线性分类器，进而有效融合分类多视角特征。 【EN】The invention provides a semantic labeling method under point cloud multi-view feature joint learning of an airborne laser radar, which comprises the following steps: (1) extracting multi-view point cloud features; (2) constructing a feature mapping and classification model of multi-view feature joint learning; (3) an optimization solution method for the constructed model; (4) and point cloud semantic segmentation based on multi-view feature fusion. The invention provides a point cloud multi-view characteristic joint learning point cloud classification algorithm based on label and multi-space local distribution consistency constraint. The algorithm utilizes a small number of training sample points to train a model, introduces characteristic space and position space local distribution consistency constraint, multi-view prediction label and truth label consistency constraint and consistency constraint among multi-view prediction labels, and utilizes a manifold learning method to carry out multi-view characteristic subspace joint learning. The invention utilizes an iterative algorithm to jointly solve and optimize the feature mapping matrix of a plurality of visual angles, can obtain the features which have no redundant information, low noise and more discriminability and the optimal linear classifier, and further effectively fuses and classifies the multi-visual angle features.

摘要：【中文】本发明属于有机合成领域，具体涉及到一类具有荧光活性的吲哚嗪环‑1,2‑二酮及其衍生物的制备方法。本发明采用一种新的无金属光催化氧化方法制备吲哚嗪环‑1,2‑二酮，该类吲哚嗪环‑1,2‑二酮由商业可得的中氮茚、2‑氧代‑2‑苯基乙醛、孟加拉玫瑰红这些基础原料合成得到；其中基团R¹、R²、R³为烷基、吸电子基或者给电子基；孟加拉玫瑰红亦可替换为光催化剂曙红Y、曙红B、罗丹明6G或荧光素；溶剂二甲基亚砜亦可替换为有机溶剂N,N‑二甲基甲酰胺、乙腈或二氯甲烷。该方法具有起始材料容易获得、底物适用范围广、经济高效、条件温和、环境友好、产率高的特点。 【EN】The invention belongs to the field of organic synthesis, and particularly relates to a preparation method of indolizine ring-1, 2-diketone and derivatives thereof with fluorescence activity. The indolizine ring-1, 2-diketone is prepared by a novel metal-free photocatalytic oxidation method, and is synthesized from commercially available basic raw materials, namely indolizine, 2-oxo-2-phenylacetaldehyde and rose bengal; wherein the radical R¹、R²、R³Is alkyl, electron withdrawing group or electron donating group; rose bengal may also be replaced with the photocatalyst eosin Y, eosin B, rhodamine 6G or fluorescein; the solvent dimethyl sulfoxide can also be replaced by an organic solvent N, N-dimethylformamide, acetonitrile or dichloromethane. The method has the characteristics of easily obtained starting materials, wide substrate application range, economy, high efficiency, mild conditions, environmental friendliness and high yield.

摘要：【中文】本发明的一种小波动高带外抑制的低通滤波器，可解决在提高带外抑制的同时降低通带波动的技术问题。包括依次连接的衰减网络、13阶低通滤波器网络和全通滤波器网络；所述13阶低通滤波器采用谐振吸收式结构。本发明所述全通滤波器网络起到波动补偿和群时延补偿作用，具体电容、电感、电阻参数可根据实际需要进行调整使用。本发明所述的一种小波动高带外抑制的低通滤波器，该功分器具有通带波动小、带外抑制高，群时延小的优点。具体的说具有高带外抑制，能够有效抵抗信号干扰，通带波动小，能够提高接收机增益稳定性。电路结构简单，成本低廉，具有良好的应用前景。 【EN】The low-pass filter with small fluctuation and high out-of-band rejection can solve the technical problem of reducing the fluctuation of the pass band while improving the out-of-band rejection. The filter comprises an attenuation network, a 13-order low-pass filter network and an all-pass filter network which are connected in sequence; the 13 th-order low-pass filter adopts a resonant absorption type structure. The all-pass filter network plays roles in fluctuation compensation and group delay compensation, and specific parameters of capacitance, inductance and resistance can be adjusted and used according to actual requirements. The low-pass filter with small fluctuation and high out-of-band rejection has the advantages of small passband fluctuation, high out-of-band rejection and small group delay. The method has the advantages of high out-of-band rejection, effective resistance to signal interference, small passband fluctuation and capability of improving the gain stability of the receiver. The circuit has the advantages of simple structure, low cost and good application prospect.

摘要：【中文】本发明公开了一种四轴牙雕设备，包括有外箱体以及位于外箱体内的固定座，该固定座设有固定斜面，该固定斜面上设置有X工作轴，X工作轴上设置有垂直于X工作轴的Y工作轴，Y工作轴上设置有垂直于X工作轴、Y工作轴的Z工作轴，Z工作轴上固定连接有电主轴，固定斜面设置有可供电主轴穿过的避让窗口，固定斜面的底面设置有A旋转工作轴。上述四轴牙雕设备能够实现假牙的自动化生产加工，从而代替了手工的零散加工，不仅节约了人力，降低了劳动强度，提高了工作效率，而且提高了加工精度，更好的保证了产品质量；此外，X工作轴、Y工作轴、Z工作轴安装在固定斜面上，使得四轴牙雕设备体积小巧，整体结构紧凑，从而节省工作空间。 【EN】The invention discloses four-axis dental carving equipment which comprises an outer box body and a fixed seat positioned in the outer box body, wherein the fixed seat is provided with a fixed inclined plane, an X working shaft is arranged on the fixed inclined plane, a Y working shaft perpendicular to the X working shaft is arranged on the X working shaft, a Z working shaft perpendicular to the X working shaft and the Y working shaft is arranged on the Y working shaft, an electric main shaft is fixedly connected to the Z working shaft, the fixed inclined plane is provided with an avoiding window through which the electric main shaft can pass, and the bottom surface of the fixed inclined plane is provided with an A rotating working shaft. The four-axis dental carving equipment can realize automatic production and processing of the false teeth, so that manual scattered processing is replaced, manpower is saved, labor intensity is reduced, working efficiency is improved, processing precision is improved, and product quality is better guaranteed; in addition, X working shaft, Y working shaft, Z working shaft are installed on fixed inclined plane for four-axis dental carving equipment small in size, overall structure is compact, thereby saves working space.