摘要：【中文】本发明属于动力电池电极材料技术领域，具体涉及一种比表面可控的包覆改性高镍正极材料，并进一步公开其制备方法。本发明所述比表面可控的包覆改性高镍正极材料的制备方法，利用物理固相干法包覆与低温干燥相结合的方法，并通过在包覆过程中对材料体系的压应力与切应力进行控制，实现比表面可控在较低范围，并获得较好的电化学性能和吸水性。本发明所述比表面可控的包覆改性高镍正极材料的比表面可控，且材料的比容量、倍率、循环性能优良，水含量低，总碱量低，尤其是比表面可控在较低范围，有效降低包覆后材料对空气中水蒸气和二氧化碳气的吸附能力，提高其作为正极材料的综合性能。 【EN】The invention belongs to the technical field of power battery electrode materials, and particularly relates to a coating modified high-nickel anode material with a controllable specific surface, and further discloses a preparation method of the coating modified high-nickel anode material. The preparation method of the coating modified high-nickel cathode material with the controllable specific surface provided by the invention utilizes a method combining physical solid phase dry coating and low-temperature drying, and controls the compressive stress and the shear stress of a material system in the coating process, so that the specific surface can be controlled in a lower range, and better electrochemical performance and water absorption can be obtained. The specific surface of the coating modified high-nickel anode material with the controllable specific surface is controllable, the specific capacity, the multiplying power and the cycle performance of the material are excellent, the water content is low, the total alkali content is low, particularly the specific surface is controllable in a lower range, the adsorption capacity of the coated material to water vapor and carbon dioxide in air is effectively reduced, and the comprehensive performance of the coated material as the anode material is improved.

摘要：【中文】本发明涉及一种硅碳复合材料及其制备方法，包括石墨基体、金属和纳米硅，所述金属和所述纳米硅的局部形成合金，所述金属和纳米硅分散固定在所述石墨基体上。本发明提供的金属辅助固定的硅碳复合材料中硅和碳通过硅合金方式结合，该材料结构稳定性好，导电性强，在锂离子电池中具有良好的循环稳定性和倍率性能，整个制备工艺过程简单，操作容易，环境友好等特点。 【EN】The invention relates to a silicon-carbon composite material and a preparation method thereof. The silicon and carbon in the metal-assisted fixed silicon-carbon composite material provided by the invention are combined in a silicon alloy mode, and the material has the characteristics of good structural stability, strong conductivity, good cycle stability and rate capability in a lithium ion battery, simple whole preparation process, easiness in operation, environmental friendliness and the like.

摘要：【中文】一种锂离子电池用原位交联聚合物粘结剂、包含该聚合物粘结剂的电极及该电极的制备方法，其中，该聚合物粘结剂具有三维网状结构，由阳离子型聚丙烯酰胺、与含有羧基官能团或羧酸盐官能团的聚合物中的至少一种原位聚合而成。这种聚合物粘结剂在常温制浆过程中原位交联形成三维网状结构，能够改善浆料尤其是纳米浆料的稳定性，并对电极的体积变化起到有效的限制作用，维持电极结构的稳定。 【EN】The polymer binder has a three-dimensional network structure and is prepared by in-situ polymerization of at least one of cationic polyacrylamide and a polymer containing carboxyl functional groups or carboxylate functional groups. The polymer binder is crosslinked in situ to form a three-dimensional network structure in the normal-temperature pulping process, can improve the stability of the slurry, particularly the nano slurry, has an effective limiting effect on the volume change of the electrode, and maintains the stability of the electrode structure.

摘要：【中文】本发明公开了一种基于水力学模拟的河道泄洪预警方法，涉及河道洪水演算及预警领域，由于水库泄水与河道天然流量过程存在明显差异，本发明在对河道构建一维水力学模型的基础上，根据模型模拟所得到的各断面水位序列，自动辨识提取水库泄水导致的洪水起涨时间、洪峰到达时间及对应的起涨水位、峰值水位。本发明适用于河道的水力学模拟和洪水传播时间、量级预测，具有通用性且操作简单易行，可以根据水工建筑的泄水计划或天然河道的水文预报演算洪水传播过程，为下游区域的防灾减灾提供预警信息。 【EN】The invention discloses a river flood discharge early warning method based on hydraulics simulation, which relates to the field of river flood calculation and early warning, and is characterized in that on the basis of constructing a one-dimensional hydraulics model for a river, according to each section water level sequence obtained by model simulation, flood rising time and flood peak arrival time caused by reservoir drainage and corresponding rising water level and peak water level are automatically identified and extracted. The method is suitable for hydraulic simulation of the river channel and prediction of flood propagation time and magnitude, has universality and simple and easy operation, can calculate the flood propagation process according to the drainage plan of the hydraulic building or hydrologic prediction of the natural river channel, and provides early warning information for disaster prevention and reduction of a downstream area.

摘要：【中文】本发明公开了一种新型肥料增效剂及其制备方法，属于肥料制备技术领域。所述的新型肥料增效剂包括以下原料：脲酶抑制剂、硝化抑制剂、复合生物菌剂、保水剂，该增效剂能够减少肥料中有效成分的流失，提高肥料的利用率，改善土壤环境，提高作物品质。 【EN】The invention discloses a novel fertilizer synergist and a preparation method thereof, belonging to the technical field of fertilizer preparation. The novel fertilizer synergist comprises the following raw materials: the synergist comprises a urease inhibitor, a nitrification inhibitor, a composite biological agent and a water-retaining agent, and can reduce the loss of effective components in the fertilizer, improve the utilization rate of the fertilizer, improve the soil environment and improve the quality of crops.

摘要：【中文】本发明公开了一种用于含固体电解质的锂二次电池电解液及其应用，该锂二次电池电解液包括锂盐和非水性有机溶剂，该非水性有机溶剂为醚类化合物和/或极性小于乙醚的非醚类有机物，该非水性有机溶剂不溶解固体电解质且不与固体电解质发生反应。本发明所提供的用于含固体电解质的锂二次电池电解液既可以作为锂二次电池的电解液，也可以用于固态电池的添加剂，能起到提高离子传导、降低界面阻抗的效果，从而有效提高固态电池的性能。 【EN】The invention discloses a lithium secondary battery electrolyte containing solid electrolyte and application thereof, wherein the lithium secondary battery electrolyte comprises lithium salt and a non-aqueous organic solvent, the non-aqueous organic solvent is an ether compound and/or a non-ether organic matter with polarity less than that of ether, and the non-aqueous organic solvent does not dissolve the solid electrolyte and does not react with the solid electrolyte. The electrolyte for the lithium secondary battery containing the solid electrolyte provided by the invention can be used as the electrolyte for the lithium secondary battery, can also be used as an additive for the solid battery, and can play a role in improving ion conduction and reducing interface impedance, thereby effectively improving the performance of the solid battery.

摘要：【中文】本发明公开了一种逆向解析的数据脱敏方法及装置，方法包括如下步骤：接收用户发送的查询数据的SQL语句；判断SQL语句是否含有涉及敏感数据的字段的目标列表达式，若不是则终止对SQL语句的处理；判断SQL语句是否有嵌套查询；由内到外逐层递归，直至含有涉及敏感数据的字段的目标列表达式位于SQL语句中最外层的嵌套查询；根据预先设置的脱敏转换规则对所述SQL语句的目标列表达式进行转换，使转换后的SQL语句访问到的敏感数据为脱敏数据；输出SQL语句所要查询的数据；并公开了相应的装置。本发明基于SQL语义逆向自动解析出字段演变足迹的方法，智能分析出最终数据结果是否脱敏处理。 【EN】The invention discloses a data desensitization method and a data desensitization device for reverse analysis, wherein the method comprises the following steps: receiving an SQL statement of query data sent by a user; judging whether the SQL statement contains a target list expression of fields related to sensitive data, and if not, terminating the processing of the SQL statement; judging whether the SQL statement has nested query or not; recursion layer by layer from inside to outside until the target list expression containing the field related to the sensitive data is positioned in the nested query of the outermost layer in the SQL statement; converting the target list expression of the SQL statement according to a preset desensitization conversion rule, so that sensitive data accessed by the converted SQL statement is desensitized data; outputting data to be queried by an SQL statement; and a corresponding apparatus is disclosed. The method for reversely and automatically analyzing the field evolution footprint based on the SQL semantics intelligently analyzes whether the final data result is desensitized.

摘要：【中文】本发明涉及大数据处理领域，尤其涉及一种基于大数据SQL解析的数据地图路径导航方法，包括：对来自各数据应用系统的数据查询脚本、数据库执行日志通过SQL解析，获取数据表、数据字段之间的关联关系；建立数据表关系库，将解析出的数据表、数据字段之间的关联关系存储至数据表关系库；将数据表与数据字段通过数据表、数据字段之间的关联关系连接形成数据网络，以编制数据拓扑关系图，依托拓扑关系图构建数据业务地图；在数据业务地图中设置起始点数据表和终点数据表，根据数据表关系库进行计算，求得所需要的数据路径并在数据业务地图上显示。本发明的有益效果：实现数据的导航以及查询。 【EN】The invention relates to the field of big data processing, in particular to a data map path navigation method based on big data SQL analysis, which comprises the following steps: analyzing a data query script and a database execution log from each data application system through SQL to obtain an association relation between a data table and data fields; establishing a data table relational database, and storing the association relationship between the analyzed data table and the data fields in the data table relational database; connecting the data table and the data fields through the incidence relation between the data table and the data fields to form a data network so as to compile a data topological relation graph, and constructing a data service map by relying on the topological relation graph; and setting a starting point data table and an end point data table in the data service map, calculating according to the data table relational database, obtaining a required data path and displaying on the data service map. The invention has the beneficial effects that: and navigation and query of data are realized.

摘要：【中文】本申请实施例提出的基于MPP分布式技术的多数据库数据管理方法，包括获取源数据库的结构信息，将结构信息发送至消息队列集群；周期性的从消息队列集群中获取结构信息，解析结构信息得到对应每个源数据库的模式以及表结构信息，基于解析得到的模式以及表结构信息构建CSV文件；基于对应每个源数据库的CSV文件的文件内容在MPP数据库中创建与源数据库相同结构的数据库。通过将原来属于不同数据库的数据快速镜像到MPP分布式数据库,完全保留原有数据库的表层级结构，表字段结构，表索引和表数据。上层业务和开发人员只需接入MPP分布式数据库对相关数据进行统一的访问和管理，从而解决原来不能对跨数据库进行关联访问的问题。 【EN】The multi-database data management method based on the MPP distributed technology comprises the steps of obtaining structural information of a source database, and sending the structural information to a message queue cluster; periodically acquiring structural information from the message queue cluster, analyzing the structural information to obtain a mode and table structural information corresponding to each source database, and constructing a CSV file based on the mode and table structural information obtained by analysis; a database of the same structure as the source database is created in the MPP database based on the file content of the CSV file corresponding to each source database. By quickly mirroring the data originally belonging to different databases to the MPP distributed database, the surface level structure, the table field structure, the table index and the table data of the original database are completely reserved. Upper-layer services and developers only need to access the MPP distributed database to uniformly access and manage related data, so that the problem that cross-database related access cannot be performed in the prior art is solved.