摘要：【中文】本申请涉及一种数据库辅助方法、装置、计算机设备和存储介质。涉及计算机领域。所述方法包括：首先当主数据库出现故障时，获取该主数据库的状态信息和故障信息，该状态信息用于指示该主数据库的存储状态和访问状态中的至少一种，该故障信息用于指示该主数据库的故障数据；然后利用辅助算法，根据该主数据库的状态信息和故障信息，输出数据库替换策略；接着根据该数据库替换策略，从备选数据库集群中确定目标备选数据库，该备选数据库集群包括多个不同性能等级的备选数据库；最后利用该目标备选数据库代替该主数据库进行服务。采用本方法能够缩短分析故障的时长。 【EN】The application relates to a database assistance method, a database assistance device, a computer device and a storage medium. Relates to the field of computers. The method comprises the following steps: firstly, when a main database fails, acquiring state information and fault information of the main database, wherein the state information is used for indicating at least one of a storage state and an access state of the main database, and the fault information is used for indicating fault data of the main database; then, outputting a database replacement strategy according to the state information and the fault information of the main database by using an auxiliary algorithm; then according to the database replacement strategy, determining a target alternative database from an alternative database cluster, wherein the alternative database cluster comprises a plurality of alternative databases with different performance grades; and finally, replacing the main database with the target alternative database for service. By adopting the method, the time for analyzing the fault can be shortened.

摘要：一种地隙与轮距可变行走平台，属于农业机械技术领域，结构上液压动力单元、宽度调节机构、高度调节机构、移动机构和油管组成，液压动力单元通过电机带动液压泵旋转，液压泵从油箱中吸油后打油，液压油通过阀组实现方向、压力、流量调节后经油管传输到宽度调节机构、高度调节机构和移动机构中，宽度调节机构通过第一液压缸完成平台宽度的调节，高度调节机构通过第二液压缸完成平台高度的调节，移动机构通过液压马达驱动平台移动。本发明结构新颖，工作原理清晰，使不同地形环境下农作物的栽培、施肥、病虫害防治、土壤与环境监测、收获可在同一移动平台上实现，降低人工成本，提高工作效率。

摘要：一种地隙与轮距可变行走平台液压控制系统，属于农业设备技术领域，液压控制系统由放油阀、油箱、单向变量液压泵、空气过滤器、液温液位计、溢流阀、压力表、单向阀、前轮液压马达、调速阀、后轮液压马达、三位四通电磁阀、高度调节液压缸、液控单向阀、宽度调节液压缸、分流集流阀、回流滤油器组成，通过多个三位四通电磁换向阀控制，在单向变量液压泵作用下，既能实现液压缸和液压马达的同步控制，也能实现液压缸和液压马达的单独控制，具有灵活多变的特点，使不同地形环境下农作物的栽培、施肥、病虫害防治、土壤与环境监测，可进一步降低人工成本，提高工作效率。

摘要：【中文】本发明涉及晾收衣装置技术领域，更具体地，涉及一种自动收晾衣架，包括架体、控制箱、升降装置、寄存杆和晾衣杆，所述的控制箱包括控制芯片和传感器器件，所述的控制芯片与传感器器件电连接，所述的架体包括有晾晒区和用于挡雨的寄存区，所述的存寄杆设置在寄存区内，所述的晾衣杆设置在晾晒区内，所述的晾衣杆与架体连接，所述的寄存杆一端与晾衣杆铰接，另一端与升降装置通过旋转滑动副与升降装置连接，所述的升降装置与架体连接，所述的晾衣杆上设有输送装置，所述的控制芯片与升降装置和输送装置电连接。能够根据天气情况自动晾衣和收衣。 【EN】The invention relates to the technical field of clothes airing and collecting devices, in particular to an automatic clothes airing and collecting rack which comprises a rack body, a control box, a lifting device, a depositing rod and a clothes airing rod, wherein the control box comprises a control chip and a sensor device, the control chip is electrically connected with the sensor device, the rack body comprises an airing area and a depositing area for shielding rain, the depositing rod is arranged in the depositing area, the clothes airing rod is arranged in the airing area, the clothes airing rod is connected with the rack body, one end of the depositing rod is hinged with the clothes airing rod, the other end of the depositing rod is connected with the lifting device through a rotary sliding pair, the lifting device is connected with the rack body, a conveying device is arranged on the clothes airing rod, and the control chip is electrically connected with the lifting device and the conveying device. Can automatically dry and collect clothes according to the weather conditions.

摘要：一种多层自动送给养蚕装置，属于农业设备技术领域，整体由自动行驶小车、装料机构、升降机构及卸料机构组成，其结构新颖，将桑叶置于料斗中，在震动单元作用下，桑叶均匀散落在翻转百叶的不可翻转区域，在震动布料机的作用下，桑叶均匀移送至翻转百叶的可翻转区域，在第二电机的作用下，实现翻转百叶翻转，料斗进行升降移动，与震动布料机的升降相互配合，最终实现自动养蚕机桑叶的自动投送，本发明工作原理清晰，可代替人工实现了桑叶自动投送，可实现多层、左右两侧同时给蚕投送桑叶，能实现多环境、全天候工作，极大的提高了企业的经济效率，极大降低企业人工投入的成本，扩大养蚕企业的市场竞争力。

摘要：本发明提供一种智能远动机功能及性能自动校核方法，在模板仓库文件中选择相应的测试用例抽象模板；遍历测试用例方案集合，依次载入各个子方案，解析获取仿真装置的数据结构集合和仿真主站的数据结构集合；仿真装置从仿真装置的数据结构集合获取数据触发信号，并记录数据T至内部数据总线；智能远动机转发上送信号给仿真主站，仿真主站收到上送信号后转存数据R至内部数据总线；数据T和数据R进行核验比对，并记录至测试报告。本发明解决了在测试功能性能时，效率低下的问题。

摘要：【中文】本发明属于电磁屏蔽材料和导电材料技术领域，公开了一种具有复合金属镀层结构的导电芳香族聚酰胺纤维，在芳香族聚酰胺合成纤维的基底上沉积有化学镀镍或镍合金层；在化学镀镍或镍合金层的基底上沉积有电镀铜金属层；在电镀铜金属层的基底上沉积有电镀镍金属层；在电镀镍金属层的基底上选择性的沉积或不沉积电镀银金属层；制备方法包括洗涤及除油、预处理、活化、还原、化学镀、电镀。本发明化学镀可以赋予纤维以连续的导电性，后续的电镀则可有效规避化学镀的缺点，提高生产效率。使用该方法制备的导电芳香族聚酰胺纤维，兼具导电、轻质、高强、阻燃性能，在电磁屏蔽领域，有着广阔的应用前景。 【EN】The invention belongs to the technical field of electromagnetic shielding materials and conductive materials, and discloses a conductive aromatic polyamide fiber with a composite metal coating structure, wherein a chemical nickel plating or nickel alloy layer is deposited on a substrate of an aromatic polyamide synthetic fiber; depositing an electroplated copper metal layer on the substrate of the chemical nickel plating or nickel alloy layer; depositing a nickel-electroplating metal layer on the substrate of the copper-electroplating metal layer; selectively depositing or not depositing a silver electroplating metal layer on the substrate of the nickel electroplating metal layer; the preparation method comprises the steps of washing, degreasing, pretreatment, activation, reduction, chemical plating and electroplating. The chemical plating can endow the fiber with continuous conductivity, and the subsequent electroplating can effectively avoid the defects of the chemical plating and improve the production efficiency. The conductive aromatic polyamide fiber prepared by the method has the advantages of conductivity, light weight, high strength and flame retardance, and has wide application prospect in the field of electromagnetic shielding.

摘要：【中文】本发明属于抗静电材料、导电材料和电磁屏蔽材料技术领域，公开了一种芳香族聚酰胺纤维电镀银的方法及应用：先对芳香族聚酰胺纤维进行清洗除油处理；后对纤维进行预处理；再使用金属盐溶液浸泡纤维；经还原处理后将该离子层变为金属颗粒层；而后进行化学镀镍、电镀银、涂膜保护处理。本发明在芳纶纤维表面形成一层具有催化和锚接作用的金属颗粒层，有助于后续沉积连续而致密的化学镀镍层，工艺简单，效果突出。本发明所使用的化学镀镍是为了赋予纤维初步的导电性并为电镀银做准备。电镀银和涂膜保护会进一步提高样品的导电性和耐久性。本发明能应用于航空、航天、航海、卫星、电子、电讯、医疗、军工等特种领域。 【EN】The invention belongs to the technical field of antistatic materials, conductive materials and electromagnetic shielding materials, and discloses a method for electroplating silver on aromatic polyamide fiber and application thereof: firstly, cleaning and deoiling aromatic polyamide fiber; then, pretreating the fiber; then soaking the fiber in a metal salt solution; the ion layer is changed into a metal particle layer after reduction treatment; and then carrying out chemical nickel plating, silver electroplating and coating protection treatment. According to the invention, a metal particle layer with catalysis and anchoring effects is formed on the surface of the aramid fiber, so that the continuous and compact chemical nickel plating layer can be deposited subsequently, the process is simple, and the effect is remarkable. Electroless nickel plating is used in the present invention to impart primary conductivity to the fibers and to provide for electro-silvering. The electro-silvering and the coating film protection further improve the conductivity and durability of the sample. The invention can be applied to the special fields of aviation, aerospace, navigation, satellite, electronics, telecommunication, medical treatment, military industry and the like.

摘要：一种自动养蚕机，属于农业饲养设备技术领域，整体由行驶小车、第一输送装置、第二输送装置及卸料装置组成，第一输送装置中的水平传送带上方设置有料斗，用于放置桑叶，水平传送带侧挡板通过连接块与支撑架固定连接；第二输送装置中的斜置传送带支撑机构由铰链支撑架和液压杆组成，液压杆可以实现斜置传送带上端高度的调节，实现多层桑叶送给；卸料装置中的震动布料机上方设置有翻转百叶，翻转百叶在的第三电机动力输出下通过细绳实现翻转，结构新颖，工作原理清晰，本发明能够实现智能化养蚕，自动进行桑叶喂蚕，在大规模养蚕企业中，可大大减少人工劳动强度，节约人工劳动成本，可实现在全天候、多环境下工作，提高养蚕效率，工作原理清晰。

摘要：【中文】本发明涉及医疗设备技术领域，具体公开了一种电热恒温水浴箱，包括箱体和箱盖，箱体内设有加热器，所述箱体内转动连接有辅助箱，辅助箱位于箱体上部，辅助箱的侧壁上开设有通孔，辅助箱的外壁上设有拨动板；箱体内固定连接有冷水管，冷水管上转动连接有散热片，冷水管位于辅助箱下方，拨动板能够与散热片相抵。本方案用以解决现有技术中电热恒温水浴箱采用自然冷却耗时长的问题和待融化的物品包装袋在取出时水滴落在操作台上增加医护人员操作时间的问题。 【EN】The invention relates to the technical field of medical equipment, and particularly discloses an electric heating constant-temperature water bath tank which comprises a tank body and a tank cover, wherein a heater is arranged in the tank body, an auxiliary tank is rotatably connected in the tank body and is positioned at the upper part of the tank body, a through hole is formed in the side wall of the auxiliary tank, and a poking plate is arranged on the outer wall of the auxiliary tank; the cold water pipe is fixedly connected in the box body, the cooling fins are connected to the cold water pipe in a rotating mode, the cold water pipe is located below the auxiliary box, and the poking plate can abut against the cooling fins. This scheme is used for solving among the prior art electric heat constant temperature water bath case and adopts the problem that the natural cooling consumes time length and the article wrapping bag that treats to melt increase medical personnel operating time that the water droplet falls on the operation panel when taking out.