摘要：【中文】一种免螺丝固定装置及服务器，免螺丝固定装置用于将扩展卡固定于服务器中，免螺丝固定装置包括一托盘、可发生弹性形变的支架和一带有弹簧销的固定件，所述支架上延伸若干圆柱台；所述扩展卡通过若干所述圆柱台固定于所述支架，所述支架通过所述固定件固定于所述托盘上，所述弹簧销与所述托盘上的一定位孔配合；带有所述扩展卡的所述支架置于所述托盘的一预定位置时，沿一第一方向拉动所述固定件，所述弹簧销因弹力卡入所述定位孔，带有所述扩展卡的所述支架通过所述固定件固定于所述托盘上；将所述弹簧销拉出所述定位孔时，沿一第二方向拉动所述固定件，带有所述扩展卡的所述支架可解锁于所述托盘。 【EN】A screw-free fixing device and a server are provided, the screw-free fixing device is used for fixing an expansion card in the server, the screw-free fixing device comprises a tray, a bracket capable of generating elastic deformation and a fixing piece with a spring pin, and a plurality of cylindrical platforms extend from the bracket; the expansion card is fixed on the bracket through a plurality of cylindrical tables, the bracket is fixed on the tray through the fixing piece, and the spring pin is matched with a positioning hole on the tray; when the bracket with the expansion card is arranged at a preset position of the tray, the fixing piece is pulled along a first direction, the spring pin is clamped into the positioning hole due to elasticity, and the bracket with the expansion card is fixed on the tray through the fixing piece; when the spring pin is pulled out of the positioning hole, the fixing piece is pulled along a second direction, and the bracket with the expansion card can be unlocked from the tray.

摘要：【中文】一种硬盘固定装置，包括两个彼此分离的支架、多个减震垫和多个第一紧固件，两个支架用于间隔设置于硬盘的两侧，每个支架呈长条板状，包括一底面及一侧面，自侧面设有穿透支架的多个圆通孔，减震垫能卡设于圆通孔内，第一紧固件用于穿过减震垫以固定连接支架与硬盘,支架的两端分别弯折延伸形成支撑部，在平行于侧面的短边的方向上，每个支撑部延伸超出底面后分别沿侧面的长边方向弯折延伸形成抵持部，抵持部用于固定支架于机箱主体上。硬盘固定装置利用两个分体的支架两侧支撑硬盘，分体的支架对硬盘的尺寸无限制，提高了硬盘固定装置的通用性。且支架设计为分体减少了材料成本。 【EN】The utility model provides a hard disk fixing device, including two supports that separate each other, a plurality of shock pads and a plurality of first fastener, two supports are used for the interval to set up in the both sides of hard disk, every support is rectangular platelike, including a bottom surface and a side, be equipped with a plurality of round through-holes that pierce through the support from the side, the shock pad can block to locate in the round through-hole, first fastener is used for passing shock pad with fixed connection support and hard disk, the both ends of support are buckled respectively and are extended formation supporting part, in the direction that is on a parallel with the minor face of side, each supporting part extends to exceed respectively to buckle along the long limit direction of side behind the bottom surface and extends and form and support the portion, it is used for the fixed bolster to support in the. The hard disk fixing device supports the hard disk by utilizing two sides of the two split supports, the size of the hard disk is not limited by the split supports, and the universality of the hard disk fixing device is improved. And the support is designed to be split, so that the material cost is reduced.

摘要：【中文】一种天然多酚复配剂添加到油脂中作抗氧化剂的方法，包括如下步骤：（1）将茶多酚、原花青素和柚皮苷按比重16:1:1混合复配，用蒸馏水溶解得到复配剂溶液；（2）在真空度≥0.098Mpa，油温≥90℃条件下，将复配剂溶液喷入油脂。所述的复配剂在油脂中的添加量应低于0.4g•kg^‑1；复配剂溶液浓度(g•L^‑1)=12.5×复配剂的添加量(g•kg^‑1)。与其他含茶多酚油脂相比，本发明制备的油脂中含多种天然抗氧化剂且不引入其他物质，外观与普通油脂一致，稳定且抗氧化能力强。本发明工艺简单，无须增加生产设备，有较好应用前景。 【EN】A method for adding natural polyphenol compound agent into oil and fat as antioxidant comprises the following steps: (1) mixing tea polyphenol, procyanidine and naringin according to the specific gravity of 16:1:1, compounding, and dissolving with distilled water to obtain a compound agent solution; (2) spraying the compound agent solution into the grease under the conditions that the vacuum degree is more than or equal to 0.098Mpa and the oil temperature is more than or equal to 90 ℃. The addition amount of the compound agent in the grease is less than 0.4 g.kg^‑1(ii) a Concentration (g.L) of the mixture solution^‑1) =12.5 × amount of compounded agent added (g.kg)^‑1). Compared with other oil containing tea polyphenol, the oil prepared by the invention contains various natural antioxidants and no other substances, has the same appearance as common oil, and is stable and strong in oxidation resistance. The invention has simple process, does not need to increase production equipment and has better application prospect.

摘要：【中文】本发明涉及聚酯多元醇及其制备方法，具体公开了一种用于太阳能背板覆膜胶的聚酯多元醇及其制备方法，旨在解决现有太阳能背板覆膜的聚氨酯胶粘剂抗紫外性能不高的问题。所述聚酯多元醇包括多元醇系统与二元/多元酸，所述多元醇系统中至少含有一种含两个或两个以上酚羟基以及一个羧基的酚类化合物，含量1～20％，以及至少含有一种二元/多元醇，含量80～99％。其制备方法包括：将反应物装入反应器中，加热熔融并搅拌反应；温度上升至120～150℃时脱水，升温至200～250℃反应12～48小时，降温、过滤得到聚酯多元醇。本发明用于聚氨酯的聚酯部分，所得聚氨酯胶粘剂能够显著降低紫外线对太阳能背板的伤害，延长其寿命。 【EN】The invention relates to polyester polyol and a preparation method thereof, and particularly discloses polyester polyol for a solar backboard film-covered adhesive and a preparation method thereof, aiming at solving the problem that the existing polyurethane adhesive for solar backboard film-covered is low in ultraviolet resistance. The polyester polyol comprises a polyol system and a dibasic/polybasic acid, wherein the polyol system at least contains a phenolic compound containing two or more phenolic hydroxyl groups and a carboxyl group, the content of the phenolic compound is 1-20%, and the polyol system at least contains a dibasic/polybasic alcohol, and the content of the dibasic/polybasic alcohol is 80-99%. The preparation method comprises the following steps: putting reactants into a reactor, heating and melting the reactants, and stirring the reactants for reaction; dewatering when the temperature rises to 120-150 ℃, heating to 200-250 ℃ for reaction for 12-48 hours, cooling, and filtering to obtain the polyester polyol. The polyurethane adhesive is used for the polyester part of polyurethane, and the obtained polyurethane adhesive can obviously reduce the damage of ultraviolet rays to the solar backboard and prolong the service life of the solar backboard.

摘要：【中文】本发明提供了一种浮动天车结构，包括天车架及设置在天车架上的天车滑轮组、天车导轮、活塞杆连接架、左绳索导向轮与右绳索导向轮，左绳索导向轮与右绳索导向轮分别位于天车滑轮组的径向左右两侧且三者的轴心线平行设置，左绳索导向轮与右绳索导向轮错开布置，本发明中，左右绳索导向轮的轴向方向与天车滑轮组的轴向方向保持平行，左右绳索导向轮错开布置，整条绳索在天车滑轮组与左右绳索导向轮上呈平滑的顺绕状态，可有效的减小绳索及滑轮的磨损，延长绳索与滑轮的寿命。补偿缸活塞杆的连接与安装位置为天车的前后侧，可避免与左右两侧的摇臂机构、导轨及导轨支架发生干涉，安装空间更灵活自由，安装方便。 【EN】The invention provides a floating crown block structure, which comprises a crown block frame, a crown block pulley block, a crown block guide wheel, a piston rod connecting frame, a left rope guide wheel and a right rope guide wheel, wherein the crown block pulley block, the crown block guide wheel, the piston rod connecting frame, the left rope guide wheel and the right rope guide wheel are arranged on the crown block frame, the left rope guide wheel and the right rope guide wheel are respectively positioned on the radial left side and the radial right side of the crown block pulley block, the axial lines of the left rope guide wheel and the right rope guide wheel are arranged in parallel, the left rope guide wheel and the right rope guide wheel are arranged in a staggered mode, the axial direction of the left rope guide wheel and the axial direction of the crown block pulley block are parallel, the left rope guide wheel and the right rope guide wheel are arranged in a staggered mode, the. The connection and installation positions of the piston rods of the compensation cylinders are the front side and the rear side of the crown block, so that the interference with rocker arm mechanisms, guide rails and guide rail supports on the left side and the right side can be avoided, the installation space is more flexible and free, and the installation is convenient.

摘要：【中文】本发明涉及信息分类技术领域，提供了一种文件分类方法、装置、计算机设备及存储介质，该文件分类方法包括：获取目标文件的至少一个属性；按照预先设定的衍生规则对属性进行预处理，获得属性对应的衍生变量；判断衍生变量的类别，根据预设的衍生变量的类别与回归树的对应处理关系，在回归模型中查询处理衍生变量的回归树；通过查询得到的回归树对衍生变量进行回归处理，分别获得各颗回归树的预测值，根据各颗回归树的预测值获得目标文件的预测值；根据预先训练好的最佳切分值对预测值进行切分，获得目标文件对应的预测类别。通过本发明的实施，能够有效解决现有的文件分类方法存在特征数据提取难度较大、分类精确度不高的问题。 【EN】The invention relates to the technical field of information classification, and provides a file classification method, a device, computer equipment and a storage medium, wherein the file classification method comprises the following steps: acquiring at least one attribute of a target file; preprocessing the attributes according to preset derivative rules to obtain derivative variables corresponding to the attributes; judging the category of the derivative variable, and inquiring the regression tree for processing the derivative variable in the regression model according to the corresponding processing relation between the preset category of the derivative variable and the regression tree; performing regression processing on the derivative variables through the regression trees obtained through query to respectively obtain the predicted value of each regression tree, and obtaining the predicted value of the target file according to the predicted value of each regression tree; and segmenting the predicted value according to the pre-trained optimal segmentation value to obtain the prediction category corresponding to the target file. By implementing the method, the problems of high difficulty in extracting the characteristic data and low classification accuracy of the conventional file classification method can be effectively solved.

摘要：【中文】本发明提供了一种烹饪器具及其控制方法，其中，烹饪器具包括锅体、上盖、内锅、雾化器和第一冷却管组，上盖可开闭地设置在锅体上；内锅设置在锅体内；雾化器用于将水雾化；第一冷却管组设置在上盖上，第一冷却管组内用于通入经雾化器雾化后的水，以对内锅中的烹饪区域进行冷却。采用该方案，可将经雾化器雾化后的水通入到第一冷却管组内，以通过第一冷却管组与内锅中的水蒸汽进行换热，从而对内锅中的烹饪区域进行冷却。此种方式冷却效果好并且用水量少，提高了用户体验。 【EN】The invention provides a cooking appliance and a control method thereof, wherein the cooking appliance comprises a pot body, an upper cover, an inner pot, an atomizer and a first cooling pipe group, wherein the upper cover is arranged on the pot body in an openable and closable manner; the inner pot is arranged in the pot body; the atomizer is used for atomizing water; the first cooling pipe group is arranged on the upper cover, and water atomized by the atomizer is introduced into the first cooling pipe group so as to cool a cooking area in the inner pot. Adopt this scheme, can let in the first cooling nest of tubes with the water after the atomizer atomizing to carry out the heat transfer through the steam in first cooling nest of tubes and the interior pot, thereby cool off the culinary art region in the pot in to. The cooling effect is good, the water consumption is low, and the user experience is improved.

摘要：【中文】本发明涉及食品加工技术领域，具体涉及一种降低黄元米果中污染物铝的处理方法，包括以下步骤：将4g碳酸钠、2g碳酸钾、3g明矾与0.5 Kg水混合，得到混合溶液；将混合溶液进行搅拌，冷却至室温，将溶液在真空度≥0.098Mpa进行抽滤处理；在抽滤后的混合溶液中加入黄元米果辅料槐米2g，搅拌混合均匀后倒入到1Kg煮熟的大米中。本发明降低黄元米果中铝含量的处理方法简单，成本低；加工过程温度低，处理时间短，处理过程中黄元米果的营养损失率少，且对感官品质影响极微；加工工艺简单，有较好应用前景。 【EN】The invention relates to the technical field of food processing, in particular to a treatment method for reducing pollutant aluminum in yellow rice cracker, which comprises the following steps: mixing 4g of sodium carbonate, 2g of potassium carbonate, 3g of alum and 0.5Kg of water to obtain a mixed solution; stirring the mixed solution, cooling to room temperature, and performing suction filtration on the solution at a vacuum degree of more than or equal to 0.098 Mpa; adding 2g of sophora flower bud as an auxiliary material of the yellow primrose fruit into the mixed solution after suction filtration, stirring and mixing uniformly, and pouring into 1Kg of cooked rice. The treatment method for reducing the aluminum content in the Huangyuan rice crackers is simple and low in cost; the processing process has low temperature and short processing time, the nutrition loss rate of the yellow-element rice cracker is low in the processing process, and the influence on the sensory quality is very little; the processing technology is simple, and the application prospect is good.

摘要：【中文】本发明公开了一种深海采矿设备，其特征在于：包括集矿车、破碎头以及脉冲爆丝组，脉冲爆丝组包含若干个爆丝单元，脉冲爆丝组固定于破碎头，爆丝单元包括放丝筒、送丝机构、第一电极、第二电极、第一夹持机构和第二夹持机构，放丝筒卷绕有爆丝，放丝筒安装于破碎头上，第一电极、第二电极分别连接至强脉冲电源的两个输出接口，所述送丝机构包括上排送丝槽轮、下排送丝槽轮、送丝驱动单元，上排送丝槽轮、下排送丝槽轮转动安装于破碎头上，本发明通过产生瞬间高压，产生冲击波压碎矿层，可以通过控制脉冲电压和电流以控制金属丝爆炸所产生冲击波的压强，以此控制破碎头来破碎不同厚度的岩石，解决了对于深海复杂海况，矿层分布不均匀的采矿环境的矿层采集和开发。 【EN】The invention discloses deep sea mining equipment, which is characterized in that: the invention comprises a mining collecting vehicle, a crushing head and a pulse wire explosion group, wherein the pulse wire explosion group comprises a plurality of wire explosion units, the pulse wire explosion group is fixed on the crushing head, the wire explosion units comprise a wire discharge cylinder, a wire feeding mechanism, a first electrode, a second electrode, a first clamping mechanism and a second clamping mechanism, wire explosion is wound on the wire discharge cylinder, the wire discharge cylinder is arranged on the crushing head, the first electrode and the second electrode are respectively connected to two output interfaces of a strong pulse power supply, the wire feeding mechanism comprises an upper wire feeding sheave, a lower wire feeding sheave and a wire feeding driving unit, the upper wire feeding sheave and the lower wire feeding sheave are rotatably arranged on the crushing head, the invention generates shock wave to crush an ore layer by generating instant high pressure, can control the pressure of the shock wave generated by the explosion of a metal wire by controlling pulse voltage and current, controls the crushing head to crush rocks with different thicknesses, and solves the problem of deep sea complex conditions, and (4) acquiring and developing the ore deposit in the mining environment with uneven ore deposit distribution.

摘要：【中文】本发明公开了一种深海采矿方法，其特征在于，包括如下步骤：步骤S1，将深海采矿设备下沉至海底采矿区域，步骤S2，将脉冲爆丝组的爆丝单元的窗口至对准爆破区域；步骤S3，强脉冲电源对爆丝单元的爆丝通以强脉冲电流，爆丝单元的爆丝以及爆丝区域的海水瞬间气化掉，产生冲击波，通过海水的冲击破碎岩石。本发明通过产生瞬间高压，产生冲击波压碎矿层，可以通过控制脉冲电压和电流以控制金属丝爆炸所产生冲击波的压强，以此控制破碎头来破碎不同厚度的岩石，解决了对于深海复杂海况，矿层分布不均匀的采矿环境的矿层采集和开发。 【EN】The invention discloses a deep sea mining method which is characterized by comprising the following steps: step S1, sinking the deep sea mining equipment to a submarine mining area, and step S2, enabling a window of a wire explosion unit of the pulse wire explosion group to be aligned with the explosion area; and step S3, the strong pulse power supply supplies strong pulse current to the blasting wire of the blasting wire unit, the blasting wire of the blasting wire unit and the seawater in the blasting wire area are gasified instantly, shock waves are generated, and the rock is crushed through the impact of the seawater. The invention generates shock waves to crush the ore layer by generating instant high pressure, and can control the pressure intensity of the shock waves generated by explosion of the metal wires by controlling the pulse voltage and the current so as to control the crushing head to crush rocks with different thicknesses, thereby solving the problem of ore layer acquisition and development in the mining environment with uneven ore layer distribution under the complicated sea conditions of deep sea.