摘要：【中文】本发明公开了一种基于权重的条件游走图推荐方法，包括利用用户‑物品评分矩阵，物品‑物品相似度矩阵结合标签，构造用户‑标签‑物品带有权重的有向图，并在图上条件游走，对每个用户生成不同的转移概率矩阵，迭代收敛之后生成推荐列表。与常用的协同过滤推荐方法相比，本发明略微提升了推荐的准确性，显著的提升了推荐的多样性和覆盖率，解决了协同过滤推荐方法中存在的多样性不足和物品冷启动的问题。 【EN】The invention discloses a conditional wandering graph recommendation method based on weight, which comprises the steps of constructing a directed graph with weight of a user-label-article by utilizing a user-article scoring matrix and an article-article similarity matrix in combination with a label, conditionally wandering on the graph, generating different transition probability matrixes for each user, and generating a recommendation list after iterative convergence. Compared with a common collaborative filtering recommendation method, the method has the advantages that the recommendation accuracy is slightly improved, the recommendation diversity and coverage rate are obviously improved, and the problems of insufficient diversity and cold start of articles in the collaborative filtering recommendation method are solved.

摘要：【中文】本发明涉及成型加工制造领域，具体是一种铜合金无缝气瓶的自动控温收口方法及其装置。该方法是将铜合金筒件进行预处理后通过数控热旋压机旋转热加工成型，针对铜合金筒件的表面发射率，录入检测反馈系统，设置热加工所要求的温度700‑900℃，通过设定的温度范围来控制加热炬的开关，使筒件在热加工过程中一直处于设定的温度区间内，从而实现无缝铜合金气瓶的自动控温收口成型。运用本方法和装置解决了气瓶焊接过程中所产生的气孔、裂纹等缺陷问题；大大提高了产品的效率；产品的性能可以得到有效的保证。铜合金气瓶自动收口后通过进一步加工即可完成气瓶的成型，加工工艺简单，精度高。 【EN】The invention relates to the field of forming processing and manufacturing, in particular to an automatic temperature control closing method and device for a copper alloy seamless gas cylinder. The method comprises the steps of preprocessing a copper alloy cylinder, then carrying out rotary hot-working forming through a numerical control hot-spinning machine, inputting a detection feedback system aiming at the surface emissivity of the copper alloy cylinder, setting the temperature required by hot working to be 700 plus 900 ℃, and controlling the switch of a heating torch through a set temperature range to enable the cylinder to be always in a set temperature range in the hot working process, thereby realizing the automatic temperature control closing-up forming of the seamless copper alloy gas cylinder. The method and the device solve the problems of defects such as air holes, cracks and the like generated in the welding process of the gas cylinder; the efficiency of the product is greatly improved; the performance of the product can be effectively ensured. The copper alloy gas cylinder can be molded by further processing after being automatically closed, and the processing technology is simple and high in precision.

摘要：【中文】本发明提供了一种激光标记治具及设备，激光标记治具包括安装板、升降组件、激光标记组件以及吸附组件；升降组件装设于安装板上，激光标记组件活动连接于升降组件上；吸附组件包括吸附件以及动力件，吸附件与动力件连接，动力件装设于安装板背离升降组件的一侧，吸附件设于安装板朝向升降组件的一侧，吸附件用于吸附待标记工件，并将待标记工件暴露于激光标记组件的标记区域，以对待标记工件进行激光标记，这样，可以通过吸附件吸附待标记工件，并暴露于标记区域以及升降组件调整激光标记组的激光头的位置，以调整激光标记位置，从而减小激光标记位置的偏差，提高激光标记效果以及精确度。 【EN】The invention provides a laser marking jig and laser marking equipment, wherein the laser marking jig comprises a mounting plate, a lifting assembly, a laser marking assembly and an adsorption assembly; the laser marking assembly is movably connected to the lifting assembly; adsorption component is including adsorbing piece and power spare, it is connected with power spare to adsorb the piece, power spare is installed in the one side that the mounting panel deviates from lifting unit, the one side of mounting panel towards lifting unit is located to the adsorption piece, it treats the mark work piece to adsorb the piece to be used for adsorbing, and will treat that the mark work piece exposes in the mark region of laser marking subassembly, in order to treat the mark work piece and carry out laser marking, thus, can adsorb through the adsorption piece and treat the mark work piece, and expose in the position of the laser head of mark region and lifting unit adjustment laser marking group, in order to adjust the laser marking position, thereby reduce the deviation in laser marking position, improve laser marking effect and accuracy.

摘要：【中文】本发明提供了一种多片式卡片循环送料设备，所述多片式卡片循环送料设备包括本体、上下料组件、夹料组件以及推料组件，所述本体上设置有工作台面，所述上下料组件连接于所述工作台面上，所述上下料组件包括并列设置的上料部以及下料部，所述夹料组件连接于所述工作台面上，所述夹料组件位于所述上料部的出料口，或者，所述夹料组件位于所述下料部的进料口，其中，所述上料部的出料口与所述下料部的进料口为同侧，所述推料组件连接于所述工作台面上，以推出所述夹料组件夹取的料盒中的物料，以通过设置上下料组件、夹料组件以及推料组件，实现料盒的自动上下料，从而节省人力成本，且提高生产效率。 【EN】The invention provides a multi-piece card circulating feeding device which comprises a body, a feeding and discharging assembly, a clamping assembly and a pushing assembly, wherein a worktable surface is arranged on the body, the feeding and discharging assembly is connected to the worktable surface and comprises a feeding part and a discharging part which are arranged in parallel, the clamping assembly is connected to the worktable surface and positioned at a discharging hole of the feeding part, or the clamping assembly is positioned at a feeding hole of the discharging part, the discharging hole of the feeding part and the feeding hole of the discharging part are on the same side, the pushing assembly is connected to the worktable surface to push out materials in a material box clamped by the clamping assembly, and automatic feeding and discharging of the material box are realized by arranging the feeding and discharging assembly, the clamping assembly and the pushing assembly, thereby saving the labor cost and improving the production efficiency.

摘要：【中文】本发明公开一种多片式卡片物料激光标记装置，包括：机座；传输组件，用于传输物料，传输组件包括第一传输件、第二传输件和夹料机构，第一传输件和第二传输件并排设置以形成料道，夹料机构位于料道的侧边，夹料组件用于夹取物料以使得物料沿着料道的传输路径传输，传输组件还包括料道宽度调节机构，料道宽度调节机构与第一传输件连接以调节第一传输件和第二传输件的距离；激光标记组件，位于传输组件的传输路径上；及出料组件，位于料道的传输路径末端；其中，物料由传输组件进行传输，经过激光标记组件和出料组件。本发明多片式卡片物料激光标记装置，适用于多种尺寸的多片式卡片物料，工作效率高。 【EN】The invention discloses a multi-piece card material laser marking device, comprising: a machine base; the conveying assembly is used for conveying materials and comprises a first conveying piece, a second conveying piece and a clamping mechanism, the first conveying piece and the second conveying piece are arranged side by side to form a material channel, the clamping mechanism is located on the side edge of the material channel, the clamping assembly is used for clamping the materials so that the materials can be conveyed along a conveying path of the material channel, the conveying assembly further comprises a material channel width adjusting mechanism, and the material channel width adjusting mechanism is connected with the first conveying piece so as to adjust the distance between the first conveying piece and the second conveying piece; the laser marking assembly is positioned on a transmission path of the transmission assembly; the discharging assembly is positioned at the tail end of the transmission path of the material channel; wherein, the material is transmitted by the transmission assembly, passes through the laser marking assembly and the discharging assembly. The laser marking device for the multi-piece card materials is suitable for multi-piece card materials with various sizes and has high working efficiency.

摘要：【中文】本申请粉碎装置设置在压缩装置的前方，垃圾抓取机械手设置在粉碎装置的前方(即车头方向)，视觉识别系统和定位构图系统分布在车辆两侧及机械臂上，智能控制系统位于控制中心箱体内，车辆四周设有监控摄像装置，驾驶室内的中控台上有监视器，手持控制器上设有监视器，通过手持控制系统实现整车系统的控制，启动自动模式后，视觉系统和构图系统会自动将视角范围内的垃圾和空间进行扫描和构图，控制系统自动计算抓具的最优化路径，系统自动启动破碎机和整车系统，抓具按照计算的最优路径动作，将垃圾抓取并放入到破碎机内，粉碎后的垃圾通过传送装置输送到压缩箱的储料斗内，压缩机构通过液压缸的联动实现压缩，最终完成整个动作。 【EN】The crushing device is arranged in front of the compression device, the garbage grabbing manipulator is arranged in front of the crushing device (namely in the direction of a vehicle head), the visual recognition system and the positioning composition system are distributed on two sides of a vehicle and on mechanical arms, the intelligent control system is positioned in a control center box, the monitoring camera device is arranged around the vehicle, a monitor is arranged on a center console in a cab, the monitor is arranged on a handheld controller, the control of a whole vehicle system is realized through the handheld control system, after an automatic mode is started, the visual system and the composition system can automatically scan and compose garbage and space in a visual angle range, the control system automatically calculates the optimized path of the grabbing tool, the system automatically starts a crusher and the whole vehicle system, the grabbing tool moves according to the calculated optimized path, the garbage is grabbed and put into the crusher, and the crushed garbage is conveyed into a storage hopper of the compression box through the conveying device, the compression mechanism realizes compression through the linkage of the hydraulic cylinder, and finally the whole action is finished.

摘要：【中文】本发明属于木材复合材料技术领域，提供了一种镁铝层状双氢氧化物/氧化石墨烯/木材基复合材料的制备方法，包括：将木材浸入含有镁盐、铝盐和尿素的水溶液中，在低温水热条件下进行反应；将木材于50℃条件下真空干燥12h，即可制得镁铝层状双氢氧化物修饰的木材；将氧化石墨烯加入到水中，经过机械搅拌和超声处理后，即可制得氧化石墨烯悬浮液；将氧化石墨烯悬浮液逐滴滴注在木材表面，将木材置于50℃条件下干燥3h，重复3～6次。本发明采用低温水热反应结合滴注法制备具有火灾预警和阻燃功能的复合木材，工艺简单，能耗低，材料结构稳定，同时实现了氧化石墨烯与无机金属的协同阻燃效果。 【EN】The invention belongs to the technical field of wood composite materials, and provides a preparation method of a magnesium-aluminum layered double hydroxide/graphene oxide/wood-based composite material, which comprises the following steps: immersing wood into an aqueous solution containing magnesium salt, aluminum salt and urea, and reacting under a low-temperature hydrothermal condition; drying the wood at 50 ℃ in vacuum for 12 hours to obtain the wood modified by the magnalium layered double hydroxide; adding graphene oxide into water, and mechanically stirring and ultrasonically treating to obtain a graphene oxide suspension; dropwise dripping the graphene oxide suspension on the surface of the wood, drying the wood for 3 hours at 50 ℃, and repeating for 3-6 times. The composite wood with the fire early warning and flame retardant functions is prepared by combining the low-temperature hydrothermal reaction with the dripping method, the process is simple, the energy consumption is low, the material structure is stable, and the synergistic flame retardant effect of the graphene oxide and the inorganic metal is realized.

摘要：【中文】本发明公开了一种往复式变频深潜泵及其控制方法，属于深潜泵技术领域，将水道设置在打孔的动子内侧，通过启动直线电机使其定子与动子之间相互配合，带动动子上下循环运动，当深井水位达到一定液位时，压力开关或液位计动作，信号传输至模、数转换器，最后将脉冲信号传至地面控制器实施水泵电机与水位高度的连锁作业从而实现PID调节。当水位超过设定值时水泵电机自动启动，水位低于设定值时电机停止运行，从而实现了自动变频调节控制的往复式变频深潜泵来进行抽水或抽油，提高了工作效率降低了能耗。 【EN】The invention discloses a reciprocating variable-frequency deep submersible pump and a control method thereof, belonging to the technical field of deep submersible pumps.A water channel is arranged at the inner side of a perforated rotor, the stator and the rotor are mutually matched by starting a linear motor to drive the rotor to do up-and-down circular motion, when the water level of a deep well reaches a certain liquid level, a pressure switch or a liquid level meter acts, signals are transmitted to an analog-digital converter, and finally pulse signals are transmitted to a ground controller to implement the linkage operation of the water pump motor and the water level height so as to realize PID adjustment. When the water level exceeds the set value, the water pump motor is automatically started, and when the water level is lower than the set value, the motor stops running, so that the reciprocating type variable frequency deep submersible pump controlled by automatic variable frequency regulation is used for pumping water or oil, the working efficiency is improved, and the energy consumption is reduced.

摘要：【中文】本发明涉及区块链技术领域，特别是涉及一种共识验证方法、校验节点及区块链系统。方法包括：接收候选区块，其中，候选区块为基于满足预设条件的随机数生成的区块；根据拜占庭容错算法，共识验证候选区块。一方面，其能够保证在同一时间只有一个合法区块生成，避免区块链分叉现象出现。另一方面，在共识验证过程中，各个校验节点均能参与共识验证，其能够确保系统记账权不会被中心化节点控制。 【EN】The present invention relates to the field of blockchain technologies, and in particular, to a consensus verification method, a check node, and a blockchain system. The method comprises the following steps: receiving a candidate block, wherein the candidate block is a block generated based on a random number satisfying a preset condition; and identifying and verifying the candidate blocks according to a Byzantine fault-tolerant algorithm. On one hand, the method can ensure that only one legal block is generated at the same time, and the block chain branching phenomenon is avoided. On the other hand, in the consensus verification process, all the check nodes can participate in the consensus verification, and the system accounting right can not be controlled by the centralized node.

摘要：【中文】本发明涉及区块链技术领域，特别是涉及一种工作量证明协同工作方法、区块链节点及区块链系统。其中，该方法应用于区块链节点，其包括：将随机数的搜索空间切分成若干个搜索子空间；获取搜索子空间的待验证哈希值与预设目标哈希值；根据待验证哈希值与预设目标哈希值，协同共识验证区块。由于将随机数的搜索空间切分成若干个搜索子空间，任意两个搜索子空间存在哈希碰撞的概率比较低，因此，各个区块链节点进行工作量计算时，出现计算冲突的概率很低，进而提高工作效率，减少共识验证时电力等资源的消耗。 【EN】The present invention relates to the field of blockchain technology, and in particular, to a workload certification cooperative work method, a blockchain node, and a blockchain system. The method is applied to a block chain node and comprises the following steps: dividing a search space of the random number into a plurality of search subspaces; obtaining a hash value to be verified and a preset target hash value of a search subspace; and collaboratively recognizing the verification block according to the hash value to be verified and a preset target hash value. Because the search space of the random number is divided into a plurality of search subspaces, and the probability of Hash collision between any two search subspaces is lower, the probability of calculation collision is very low when the workload calculation is carried out on each block link point, so that the working efficiency is improved, and the consumption of resources such as electric power and the like during consensus verification is reduced.