摘要：【中文】本发明涉及润滑脂技术领域，尤其涉及一种聚脲基轮毂轴承润滑脂组合物及其制备方法与应用；本发明所述的聚脲基轮毂轴承润滑脂组合物包括稠化剂、基础油、抗氧剂、极压抗磨剂、防锈剂；以润滑脂组合物的总质量为基准，所述稠化剂的用量为8～25％；所述稠化剂、所述极压抗磨剂与所述防锈剂的质量比为8～25：1～10：0.5～3。本发明所制得的聚脲基轮毂轴承润滑脂组合物在具备良好的高温性能、极压抗磨性、抗水防锈性能、剪切安定性的前提下进一步具备良好的抗微动磨损性能，更加符合轮毂轴承的使用工况，可有效减少车辆早期异响和失效，符合乘用车的要求。 【EN】The invention relates to the technical field of lubricating grease, in particular to a polyurea hub bearing lubricating grease composition and a preparation method and application thereof; the polyurea hub bearing lubricating grease composition comprises a thickening agent, base oil, an antioxidant, an extreme pressure antiwear agent and an antirust agent; based on the total mass of the lubricating grease composition, the using amount of the thickening agent is 8-25%; the mass ratio of the thickening agent to the extreme pressure antiwear agent to the antirust agent is 8-25: 1-10: 0.5 to 3. The polyurea-based hub bearing lubricating grease composition prepared by the invention further has good fretting wear resistance on the premise of good high-temperature performance, extreme-pressure wear resistance, water-resistant and rust-resistant performance and shear stability, and better meets the use condition of a hub bearing, can effectively reduce early abnormal sound and failure of a vehicle, and meets the requirement of a passenger vehicle.

摘要：【中文】本发明公开了一种基于双指数驱动的电离层三维电子密度重构方法，包括如下步骤：步骤A，多GNSS数据源电离层垂直总电子含量映射：步骤B，最优化电离层Rz指数确定：步骤C，最优化电离层IG指数确定：步骤D，基于双指数驱动的电离层三维电子密度重构。本发明所公开基于双指数驱动的电离层三维电子密度重构方法，采用国际全球卫星导航系统组织（International GNSS Service，IGS）发布的全球GNSS观测数据和COSMIC数据分析和档案中心（COSMIC Data Analysis and Archive Center，CDAAC）发布的GNSS掩星电子密度剖面数据产品作为电离层三维电子密度重构的数据来源，基于最优化的Rz和IG指数对国际参考电离层模型（International Reference Ionosphere，IRI）进行数据驱动更新，实现高精度电离层三维电子密度重构。 【EN】The invention discloses an ionosphere three-dimensional electron density reconstruction method based on double-exponential drive, which comprises the following steps of: step A, mapping the vertical total electron content of the ionosphere of multiple GNSS data sources: and step B, determining an optimized ionosphere Rz index: and C, determining an optimized ionospheric IG index: and D, reconstructing the three-dimensional electron density of the ionized layer based on double-exponential driving. The invention discloses a double-index-driven Ionosphere three-dimensional electronic density reconstruction method, which adopts a global GNSS observation Data and COSMIC Data Analysis and Archive Center (CDAAC) issued by an International global navigation satellite system organization (IGS) as a Data source for Ionosphere three-dimensional electronic density reconstruction, and carries out Data-driven updating on an International Reference Ionosphere model (IRI) based on optimized Rz and IG indexes, thereby realizing high-precision Ionosphere three-dimensional electronic density reconstruction.

摘要：【中文】本发明公开了一种基于垂测数据约束的电离层层析成像方法，包括如下步骤：步骤A，基于垂测数据的背景电离层模型F2层特征参量重构：步骤B，地基GNSS电离层倾斜总电子含量计算：步骤C，电离层层析成像反演矩阵构建：本发明所公开基于垂测数据约束的电离层层析成像方法，采用全球无线电电离层观测站发布的电离层垂测数据和国际全球卫星导航系统组织（International GNSS Service，IGS）发布的地基GNSS观测数据作为电离层层析成像的数据来源，利用垂测数据对电离层层析成像背景模型进行更新，结合地基GNSS的倾斜总电子含量数据，利用改进的乘法代数迭代算法对背景电离层模型进行修正，实现区域乃至全球的电离层层析成像，从而获取电离层总电子含量及电子密度的时空变化特征。 【EN】The invention discloses an ionosphere tomography method based on vertical measurement data constraint, which comprises the following steps: step A, reconstructing a background ionosphere model F2 layer characteristic parameter based on vertical measurement data: and B, calculating the total inclined electron content of the ground-based GNSS ionosphere: step C, constructing an ionospheric tomography inversion matrix: the invention discloses an ionospheric tomography method based on vertical measurement data constraint, which adopts ionospheric vertical measurement data issued by a global radio ionospheric observation station and ground GNSS observation data issued by an International global navigation satellite system (IGS) as a data source of ionospheric tomography, updates an ionospheric tomography background model by using the vertical measurement data, corrects the background ionospheric model by using an improved multiplicative algebra iterative algorithm in combination with inclined total electron content data of the ground GNSS, and realizes regional and even global ionospheric tomography so as to acquire space-time variation characteristics of total electron content and electron density of the ionospheric.

摘要：【中文】本发明公开了一种带电更换500kV重荷载直线绝缘子串的辅助装置，旨在提供一种可提高工作效率的辅助装置。它包括左承力支架、左承力绞盘、右承力绞盘、左部绞盘支撑轴、右部绞盘支撑轴、左部扳手、右部扳手、右承力支架、锁块调节螺栓、起吊环、底座调节锁块及中间加强支架；所述左部绞盘支撑轴的两端分别通过轴承与左承力支架上端处及中间加强支架上端处连接；所述右部绞盘支撑轴的两端分别通过轴承与右承力支架上端处及中间加强支架上端处连接；所述起吊环固定设置于中间加强支架上端；所述左部扳手固定设置于左部绞盘支撑轴的左端处，所述右部扳手固定设置于右部绞盘支撑轴的右端处；左承力支架的下端前后两侧设置与塔架横担支撑配合的支撑座。 【EN】The invention discloses an auxiliary device for replacing a 500kV heavy-load linear insulator string in a charged manner, and aims to provide an auxiliary device capable of improving the working efficiency. The device comprises a left bearing support, a left bearing winch, a right bearing winch, a left winch supporting shaft, a right winch supporting shaft, a left wrench, a right bearing support, a locking block adjusting bolt, a lifting ring, a base adjusting locking block and a middle reinforcing support; two ends of the left winch support shaft are respectively connected with the upper end of the left bearing support and the upper end of the middle reinforcing support through bearings; two ends of the right winch support shaft are respectively connected with the upper end of the right bearing support and the upper end of the middle reinforcing support through bearings; the hoisting ring is fixedly arranged at the upper end of the middle reinforcing bracket; the left wrench is fixedly arranged at the left end of the left winch supporting shaft, and the right wrench is fixedly arranged at the right end of the right winch supporting shaft; and the front side and the rear side of the lower end of the left force bearing support are provided with supporting seats matched with the cross arm supports of the tower.

摘要：【中文】本发明属于锂离子电池技术领域，具体涉及一种锂离子电池正极材料及其制备方法、锂离子电池。本发明的锂离子电池正极材料的制备方法包括以下步骤：(1)将三元前驱体、锂源和助剂混合均匀，然后于600～980℃温度下保温5～15h，得中间产物；所述三元前驱体的化学式为Ni_xCo_yD_(1‑x‑y)(OH)₂，其中0＜x≤1，0＜y≤1，0＜x+y＜1，D为Mn、Al元素中的一种；所述助剂为AlF₃、KF、LiF、NaCl、KCl、H₃BO₃、B₂O₃中的一种或多种；(2)将中间产物与锂源混合均匀，然后于650～980℃温度下保温5～15h，即得。根据本发明的制备方法制备的正极材料，晶型结构较好，颗粒一致性较高；作为正极活性物质用于锂离子电池时，锂离子电池具有较高的能量密度。 【EN】The invention belongs to the technical field of lithium ion batteries, and particularly relates to a lithium ion battery anode material, a preparation method thereof and a lithium ion battery. The preparation method of the lithium ion battery anode material comprises the following steps: (1) uniformly mixing the ternary precursor, a lithium source and an auxiliary agent, and then carrying out heat preservation for 5-15 hours at the temperature of 600-980 ℃ to obtain an intermediate product; the chemical formula of the ternary precursor is Ni_xCo_yD_(1‑x‑y)(OH)₂Wherein x is more than 0 and less than or equal to 1, y is more than 0 and less than or equal to 1, x + y is more than 0 and less than 1, and D is one of Mn and Al elements; the auxiliary agent is AlF₃、KF、LiF、NaCl、KCl、H₃BO₃、B₂O₃One or more of; (2) and (3) uniformly mixing the intermediate product with a lithium source, and then preserving heat for 5-15 hours at the temperature of 650-980 ℃ to obtain the lithium ion battery.The positive electrode material prepared by the preparation method disclosed by the invention is good in crystal structure and high in particle consistency; when used as a positive electrode active material in a lithium ion battery, the lithium ion battery has a high energy density.