摘要：【中文】本发明公开了一种发声装置以及电子设备。其中，所述发声装置包括装置外壳，在所述装置外壳内形成容纳腔；所述容纳腔内收容有磁路系统和振动系统，所述磁路系统包括磁轭、设置在磁轭上面的中心磁体及设置在中心磁体上面的导磁板，其中，所述磁路系统在沿振动系统振动方向上开设有镂空区域，在所述镂空区域内设置有散热件。本发明的一个技术效果在于：能对工作中的发声装置实现良好的散热、降温效果。 【EN】The invention discloses a sound generating device and electronic equipment. The sound production device comprises a device shell, wherein a containing cavity is formed in the device shell; the accommodating cavity accommodates a magnetic circuit system and a vibration system, the magnetic circuit system comprises a magnetic yoke, a central magnet arranged on the magnetic yoke and a magnetic conduction plate arranged on the central magnet, wherein a hollow area is formed in the magnetic circuit system along the vibration direction of the vibration system, and a heat dissipation piece is arranged in the hollow area. One technical effect of the invention is that: can realize good heat dissipation and cooling effects on the sounding device in work.

摘要：【中文】本发明公开一种球顶和扬声器，其中，球顶包括：球顶本体，具有相对的第一侧面和第二侧面，所述第一侧面包括中间区域、及环设于所述中间区域的外围区域，所述外围区域用以与所述扬声器的振膜结合；以及热辐射增强层，设于所述第二侧面及/或所述中间区域。本发明的技术方案能提高扬声器的散热性能。 【EN】The invention discloses a dome and a loudspeaker, wherein the dome comprises: the dome body is provided with a first side surface and a second side surface which are opposite, the first side surface comprises a middle area and a peripheral area which is annularly arranged in the middle area, and the peripheral area is used for being combined with a vibrating diaphragm of the loudspeaker; and a thermal radiation enhancement layer disposed on the second side surface and/or the middle region. The technical scheme of the invention can improve the heat dissipation performance of the loudspeaker.

摘要：【中文】本发明公开一种振膜，包括一体设置且由外到里依次设置的连接部、折环部及中心部；和补强件，所述补强件设置所述中心部上；所述补强件与中心部及折环部之间形成容胶槽，所述容胶槽内填充有导热胶。所述振膜具有良好的散热性能；当所述振膜应用到发声装置中，所述导热胶能够将音圈产生的热量导出发声装置的外部，提高发声装置的声学性能。 【EN】The invention discloses a vibrating diaphragm which comprises a connecting part, a folded ring part and a central part which are integrally arranged and are sequentially arranged from outside to inside; and a reinforcement disposed on the central portion; and a glue containing groove is formed among the reinforcing part, the central part and the folded ring part, and the glue containing groove is filled with heat-conducting glue. The vibrating diaphragm has good heat dissipation performance; when the vibrating diaphragm is applied to the sound generating device, the heat conducting glue can conduct the heat generated by the voice coil out of the sound generating device, and the acoustic performance of the sound generating device is improved.

摘要：【中文】本发明公开了一种冷鲜肉气调托盘包装的抑菌吸水垫及其制备方法，该方法包括以下步骤：将丁香油乙醇溶液加入到聚乙烯醇和柠檬酸的混合溶液中，搅拌均匀后通过静电纺丝技术制备出聚乙烯醇基抑菌纳米纤维垫，之后对聚乙烯醇纳米纤维垫进行加热处理从而得到疏水性的聚乙烯醇基抑菌纳米纤维垫。根据本发明制备的纳米纤维垫具有较高的吸水性和抗菌性，其功能性优于目前现有的冷鲜肉吸水垫，这为食品活性包装提供了新的思路。此外，聚乙烯醇可完全降解，是一种环境友好型包装材料，符合绿色生态的发展趋势。本发明制备的疏水性聚乙烯醇基抑菌食品吸水垫可用在生鲜肉的包装盒中，不仅能提高冷鲜肉的感官特性还可以起到延长货架期的作用。 【EN】The invention discloses a bacteriostatic water absorption pad for cold fresh meat modified atmosphere tray packaging and a preparation method thereof, wherein the method comprises the following steps: adding the clove oil ethanol solution into a mixed solution of polyvinyl alcohol and citric acid, uniformly stirring, preparing the polyvinyl alcohol-based antibacterial nanofiber pad by an electrostatic spinning technology, and then heating the polyvinyl alcohol-based antibacterial nanofiber pad to obtain the hydrophobic polyvinyl alcohol-based antibacterial nanofiber pad. The nanofiber mat prepared according to the invention has higher water absorption and antibacterial property, and the functionality of the nanofiber mat is superior to that of the existing cold fresh meat water absorption mat, so that a new idea is provided for active packaging of food. In addition, the polyvinyl alcohol can be completely degraded, is an environment-friendly packaging material, and accords with the development trend of green ecology. The hydrophobic polyvinyl alcohol-based bacteriostatic food water absorbent pad prepared by the invention can be used in a packaging box of fresh meat, can improve the sensory characteristics of the cold fresh meat and can also play a role in prolonging the shelf life.

摘要：【中文】本发明公开了一种冷鲜肉托盘包装的3D抑菌吸水气凝胶及其制备方法，该方法包括以下步骤：将肉桂醛乙醇溶液加入到聚乙烯醇和柠檬酸的混合溶液中，通过静电纺丝技术制备出聚乙烯醇基抑菌吸水垫，然后将聚乙烯醇纳米纤维垫进行加热、均质、冻干等过程使之成为疏水性的聚乙烯醇基抑菌吸水垫。根据本发明制备的纳米纤维垫具有较高的吸水性和抗菌性，其功能性优于目前现有的冷鲜肉吸水垫，这为食品活性包装提供了新的思路。此外，聚乙烯醇可完全降解，是一种环境友好型包装材料，符合绿色生态的发展趋势。本发明制备的疏水性聚乙烯醇基抑菌食品吸水垫可用在生鲜肉的包装盒中，不仅能提高冷鲜肉的感官特性还可以起到延长货架期的作用。 【EN】The invention discloses a 3D bacteriostatic water-absorbing aerogel packaged by a tray for chilled fresh meat and a preparation method thereof, wherein the method comprises the following steps: adding a cinnamaldehyde ethanol solution into a mixed solution of polyvinyl alcohol and citric acid, preparing a polyvinyl alcohol-based bacteriostatic water absorption pad by an electrostatic spinning technology, and then heating, homogenizing, freeze-drying and the like the polyvinyl alcohol nanofiber pad to form the hydrophobic polyvinyl alcohol-based bacteriostatic water absorption pad. The nanofiber mat prepared according to the invention has higher water absorption and antibacterial property, and the functionality of the nanofiber mat is superior to that of the existing cold fresh meat water absorption mat, so that a new idea is provided for active packaging of food. In addition, the polyvinyl alcohol can be completely degraded, is an environment-friendly packaging material, and accords with the development trend of green ecology. The hydrophobic polyvinyl alcohol-based bacteriostatic food water absorbent pad prepared by the invention can be used in a packaging box of fresh meat, can improve the sensory characteristics of the cold fresh meat and can also play a role in prolonging the shelf life.

摘要：【中文】本发明涉及有机合成技术领域，涉及一种叔丁基对苯二酚的制备方法，包括以下步骤：1）将2‑叔丁基苯酚、过渡金属铜（I）配合物和溶剂依次加入高压反应釜，充入氧气至指定压力，加热并搅拌至指定温度，反应0.5‑3小时；2）反应结束后蒸出溶剂，剩余固体经溶剂洗涤后再汽提得到2‑叔丁基对苯醌；3）将步骤1）得到的2‑叔丁基对苯醌、催化剂和溶剂依次加入高压反应釜，换气完毕后充入氢气至指定压力，加热并搅拌至指定温度，反应0.5‑3小时；4）反应结束蒸出溶剂后经精馏得到叔丁基对苯二酚产品。本发明方法产物收率高，操作方便，原料廉价，经济可靠，可大规模生产。 【EN】The invention relates to the technical field of organic synthesis, and relates to a preparation method of tert-butyl hydroquinone, which comprises the following steps: 1) sequentially adding 2-tert-butylphenol, a transition metal copper (I) complex and a solvent into a high-pressure reaction kettle, filling oxygen to a specified pressure, heating and stirring to a specified temperature, and reacting for 0.5-3 hours; 2) after the reaction is finished, evaporating the solvent, washing the residual solid by the solvent, and then carrying out steam stripping to obtain 2-tert-butyl p-benzoquinone; 3) sequentially adding the 2-tert-butyl p-benzoquinone obtained in the step 1), a catalyst and a solvent into a high-pressure reaction kettle, introducing hydrogen to a specified pressure after ventilation is finished, heating and stirring to a specified temperature, and reacting for 0.5-3 hours; 4) after the reaction is finished, the solvent is evaporated and then the tertiary butyl hydroquinone product is obtained by rectification. The method has the advantages of high product yield, convenient operation, cheap raw materials, economy, reliability and large-scale production.

摘要：【中文】本发明属于有机合成技术领域，涉及一种对苯醌化合物的制备方法，包括以下步骤：1）将苯酚化合物、过渡金属盐催化剂、酸性离子液体和溶剂依次加入高压反应釜，充入氧气至指定压力，加热至指定温度并持续搅拌，反应0.5‑5小时；2）反应结束后将催化剂从反应体系分离并蒸出溶剂，剩余固体经溶剂洗涤后再汽提得到对苯醌化合物；本发明方法在保证了高转化率、高选择性的同时，有效降低过渡金属催化剂用量的，且离子液体催化剂可多次循环使用，实现了低排放、绿色环保的生产工艺，经济性也大大提高，适合工业化生产。 【EN】The invention belongs to the technical field of organic synthesis, and relates to a preparation method of a p-benzoquinone compound, which comprises the following steps: 1) sequentially adding a phenol compound, a transition metal salt catalyst, an acidic ionic liquid and a solvent into a high-pressure reaction kettle, filling oxygen to a specified pressure, heating to a specified temperature, continuously stirring, and reacting for 0.5-5 hours; 2) after the reaction is finished, separating the catalyst from the reaction system, evaporating the solvent, washing the residual solid by the solvent, and then stripping to obtain a p-benzoquinone compound; the method provided by the invention ensures high conversion rate and high selectivity, effectively reduces the dosage of the transition metal catalyst, realizes low-emission and environment-friendly production process, greatly improves the economical efficiency, and is suitable for industrial production, and the ionic liquid catalyst can be recycled for many times.

摘要：【中文】本发明公开了一种触控面板及显示装置，通过设置光学补偿结构，且光学补偿结构在衬底基板的正投影至少覆盖相邻电极块之间的间隙所对应的区域；利用光学补偿结构使相邻电极块之间的间隙所对应的区域反射的光的能量与电极块所对应的区域反射的光的能量的差异小于10％。减小两个区域的反射光的强度差异，从而使这种差异不能被人眼识别，进而避免电极可见的问题存在。 【EN】The invention discloses a touch panel and a display device.A light compensation structure is arranged, and the orthographic projection of the light compensation structure on a substrate at least covers the area corresponding to the gap between the adjacent electrode blocks; the difference between the energy of the light reflected by the area corresponding to the gap between the adjacent electrode blocks and the energy of the light reflected by the area corresponding to the electrode block is less than 10 percent by using the optical compensation structure. The difference in the intensity of the reflected light of the two areas is reduced so that it cannot be recognized by the human eye, thereby avoiding the problem of the electrode being visible.

摘要：【中文】一种环境友好型提取水包油乳状液中界面蛋白的新方法，属于乳液分析检测技术领域。本发明的目的是为了解决现有提取水包油型乳状液中界面蛋白方法对环境和操作人员危害大的不足。本发明首先对样品进行离心分离油水两相，然后采用Tween20对油相中的界面蛋白进行提取，并对提取后的界面蛋白进行BCA试剂盒定量测量。本发明的优点为：满足两种制备方式(高压均质及超声均质)及不同浓度初始蛋白含量制备的水包油型乳状液中界面蛋白的提取，且绿色环保、无毒无害。 【EN】An environment-friendly novel method for extracting interfacial protein in an oil-in-water emulsion, which belongs to the technical field of emulsion analysis and detection. The invention aims to solve the defect that the existing method for extracting interfacial protein in oil-in-water type emulsion has great harm to the environment and operators. According to the method, firstly, a sample is subjected to centrifugal separation of an oil phase and an oil phase, then the Tween20 is adopted to extract the interface protein in the oil phase, and the BCA kit is used for quantitative measurement of the extracted interface protein. The invention has the advantages that: the method meets the requirements of two preparation modes (high-pressure homogenization and ultrasonic homogenization) and the extraction of interfacial protein in the oil-in-water type emulsion prepared from the initial protein content with different concentrations, and is green, environment-friendly, nontoxic and harmless.

摘要：【中文】本发明提供了一种改进的机动车铝合金轮毂，所述的改进的机动车铝合金轮毂的轮辐限定出多个矩形延长孔状的窗口，所述的轮辐位于法兰盘和外轮唇胎圈座之间，所述的矩形延长孔状窗口个数限定为10个，并且以法兰盘中轴线为轴线均匀分布在轮辐上；所述的矩形延长孔状窗口贯穿轮辐上下表面；所述的矩形延长孔状窗口在与过法兰盘中轴线平面呈51度的平面S上的投影曲线由首尾相接的弧线A1、直线B1、弧线A2和直线B2组成封闭的曲线。本发明的改进的机动车铝合金轮毂的优点在于：（1）轮毂窗口部位受力更小；（2）轮毂整体受力水平更低；（3）轮毂整体质量更低；（4）轮毂可靠性更高。 【EN】The invention provides an improved aluminum alloy wheel hub of a motor vehicle, wherein spokes of the improved aluminum alloy wheel hub of the motor vehicle define a plurality of rectangular elongated hole-shaped windows, the spokes are positioned between a flange plate and an outer wheel lip bead seat, the number of the rectangular elongated hole-shaped windows is limited to 10, and the rectangular elongated hole-shaped windows are uniformly distributed on the spokes by taking a central axis of the flange plate as an axis; the rectangular elongated hole-shaped window penetrates through the upper surface and the lower surface of the spoke; the projection curve of the rectangular elongated hole-shaped window on a plane S which is 51 degrees from the plane passing through the central axis of the flange plate consists of an arc line A1, a straight line B1, an arc line A2 and a straight line B2 which are connected end to form a closed curve. The improved aluminum alloy hub of the motor vehicle has the advantages that: (1) the stress at the window part of the hub is smaller; (2) the whole stress level of the hub is lower; (3) the overall mass of the hub is lower; (4) the hub reliability is higher.