摘要：【中文】本申请公开了一种不间断电源及其电池组升降压电路，该电池组升降压电路中，电池组的正极通过正极电感分别与第一开关单元和第三开关单元连接；电池组的负极通过负极电感分别与第二开关单元和第四开关单元连接；第一开关单元的另一端分别与第二开关单元的另一端以及第五开关单元连接；第三开关单元的另一端与第一电容连接；第一电容的另一端分别与第五开关单元的另一端和第二电容连接，第二电容的另一端与第四开关单元的另一端连接；第一开关单元至第四开关单元均包括可控开关和反向并联的二极管；控制单元与各可控开关的控制端连接。本申请可有效实现正负母线电压平衡，并可在避免出现并机环流以保障电池寿命的同时，也取消了对电池数量的限制。 【EN】The application discloses an uninterruptible power supply and a battery pack voltage-boosting circuit thereof, wherein in the battery pack voltage-boosting circuit, the anode of a battery pack is respectively connected with a first switch unit and a third switch unit through an anode inductor; the negative electrode of the battery pack is respectively connected with the second switch unit and the fourth switch unit through negative electrode inductors; the other end of the first switch unit is connected with the other end of the second switch unit and the fifth switch unit respectively; the other end of the third switching unit is connected with the first capacitor; the other end of the first capacitor is connected with the other end of the fifth switch unit and the second capacitor respectively, and the other end of the second capacitor is connected with the other end of the fourth switch unit; the first switch unit to the fourth switch unit respectively comprise a controllable switch and a diode connected in parallel in an opposite direction; the control unit is connected with the control end of each controllable switch. The method and the device can effectively realize the voltage balance of the positive bus and the negative bus, and can cancel the limitation on the number of the batteries while avoiding the parallel operation circulation to guarantee the service life of the batteries.

摘要：【中文】本发明公开了一种复制‑粘贴篡改图像检测方法，包括步骤：将被检测图像转换成单通道的灰度图像；将灰度图像分割成相互重叠的图像块；将所述二维灰度图像定义在AFMT标准的极坐标系；将所述二维灰度图像的AFMT极坐标系转换到笛卡尔坐标离散域中，将所有图像块的特征向量M组成矩阵V；对所述矩阵V进行字典排序，得到矩阵Vt，矩阵V和Vt的尺寸一致；使用斯皮尔曼秩相关系数去评估和分析字典排序的结果，相似的区域通过斯皮尔曼等级相关系数判断是否是复制‑移动区域。与现有技术相比，本发明可以检测缩放的复制‑粘贴篡改图像，同时具有较好的旋转不变性，能检测旋转篡改的操作。 【EN】The invention discloses a copy-paste tampered image detection method, which comprises the following steps: converting the detected image into a single-channel gray image; dividing the gray level image into image blocks which are overlapped with each other; defining the two-dimensional gray scale image in a polar coordinate system of an AFMT standard; converting the AFMT polar coordinate system of the two-dimensional gray scale image into a Cartesian coordinate discrete domain, and forming a matrix V by the feature vectors M of all image blocks; performing dictionary ordering on the matrix V to obtain a matrix Vt, wherein the sizes of the matrix V and the matrix Vt are consistent; and evaluating and analyzing dictionary ordering results by using the spearman rank correlation coefficient, and judging whether the similar region is a copy-moving region or not by using the spearman rank correlation coefficient. Compared with the prior art, the method can detect the scaled copy-paste tampered image, has better rotation invariance and can detect the operation of rotation tampering.

摘要：【中文】本发明公开了基于离散拉东极复指数变换的复制粘贴篡改图像检测方法，包括步骤：将输入的多通道RGB彩色图像转换为灰度图像；设所述灰度图像尺寸为M×N，设计尺寸为9×9的圆形模板以步长为1的条件下将灰度图像分割成相互重叠的图像块；提取所述图像块的DRPCET特征，将提取到的所述DRPCET特征组成新特征矩阵V；对所述V进行字典排序，得到矩阵Vt；使用皮尔森相关系数去评估和分析所述字典排序的结果；判断是否是复制‑粘贴篡改区域。本发明基于DRPCET的检测方法可以有效的抵御高斯噪声和几何变换的共同干扰，保持较高的检测精确度，同时本发明所提出的方法具有优越的性能和强鲁棒特性。 【EN】The invention discloses a copy-paste-tamper image detection method based on discrete radon complex exponential transformation, which comprises the following steps: converting an input multichannel RGB color image into a gray image; setting the size of the gray image as M multiplied by N, designing a circular template with the size of 9 multiplied by 9, and dividing the gray image into image blocks which are mutually overlapped under the condition that the step length is 1; extracting DRPCET characteristics of the image block, and forming a new characteristic matrix V by the extracted DRPCET characteristics; performing dictionary sorting on the V to obtain a matrix Vt; using pearson correlation coefficients to evaluate and analyze the result of the dictionary ordering; it is determined whether or not it is a copy-and-paste tampered area. The DRPCET-based detection method can effectively resist the joint interference of Gaussian noise and geometric transformation, keeps higher detection accuracy, and has excellent performance and strong robust characteristic.

摘要：【中文】本申请公开了一种锂电池在低温下的放电控制方法及装置，涉及电池应用技术领域。上述放电控制方法及装置采用在低温下控制锂电池以预设的预热放电电流进行放电以预热锂电池，再控制锂电池以预设的工作电流进行放电的方式，其中，该预热放电电流小于该工作电流，避免了锂电池在低温下直接以预设的工作电流进行放电而使锂电池的输出电压迅速下降，并最终导致锂电池的损坏的情况发生，提高了锂电池的适用性，增强了锂电池在低温环境下的放电性能。 【EN】The application discloses a method and a device for controlling discharge of a lithium battery at a low temperature, and relates to the technical field of battery application. According to the discharge control method and the device, the lithium battery is controlled to discharge at the preset preheating discharge current at the low temperature so as to preheat the lithium battery, and then the lithium battery is controlled to discharge at the preset working current, wherein the preheating discharge current is smaller than the working current, so that the situation that the output voltage of the lithium battery is rapidly reduced due to the fact that the lithium battery directly discharges at the preset working current at the low temperature, and finally the lithium battery is damaged is avoided, the applicability of the lithium battery is improved, and the discharge performance of the lithium battery in the low-temperature environment is enhanced.

摘要：【中文】本发明公开了一种合成AgNPs及其可移植自组装薄膜的制备方法，以AgNO₃作为银源和银杏叶提取液进行反应，具有成本低，还原效率高、实验过程简单、生物相容性好、绿色可持续性的特点，尤其所制备银纳米颗粒尺寸均匀、形貌均一、分散性好；本发明所提供的方法制备的AgNPs可移植自组装薄膜具有制备设备简单、自组装面积可控、自组装薄膜均匀并且可移植的特点。 【EN】The invention discloses a method for preparing synthetic AgNPs and a transplantable self-assembled film thereof, which uses AgNO₃The silver nanoparticles are used as a silver source to react with the ginkgo leaf extracting solution, and have the characteristics of low cost, high reduction efficiency, simple experimental process, good biocompatibility and green sustainability, and particularly the prepared silver nanoparticles have uniform size, uniform appearance and good dispersibility; the AgNPs portable self-assembly film prepared by the method has the characteristics of simple preparation equipment, controllable self-assembly area, uniformity and portability of the self-assembly film.

摘要：【中文】本发明公开了一种内科用输液架，平衡块设置在固定底座内，调节杆的一端插入固定桶内部，调节杆内设有的卡扣组件能够通过调节孔将调节杆高度固定；调节杆侧壁连接有储存篓和置物台，位于置物台另一侧的调节杆上固定有加热台；手轮套接在调节杆上，调节杆上部设有固定板，固定板两侧连接有环状设置的瓶体固定件，所述瓶体固定件的口径从下到上逐渐增大，固定板下部还设有照明灯具。本发明的平衡块设置在固定底座内，保证整个输液架的稳定性，防倾倒，设置有垃圾篓和待输液储存篓，解决不方便扔垃圾以及待输液不方便放置的问题，置物台解决了输液泵放置的问题，加热台能够在冬季使用时对药液进行加热，结构简单，使用方便，实用性较强。 【EN】The invention discloses a transfusion stand for internal medicine, wherein a balance block is arranged in a fixed base, one end of an adjusting rod is inserted into a fixed barrel, and a buckle assembly arranged in the adjusting rod can fix the height of the adjusting rod through an adjusting hole; the side wall of the adjusting rod is connected with a storage basket and an object placing table, and a heating table is fixed on the adjusting rod positioned on the other side of the object placing table; the hand wheel cup joints on adjusting the pole, adjusts pole upper portion and is equipped with the fixed plate, and the fixed plate both sides are connected with the bottle mounting of cyclic annular setting, the bore from the bottom up crescent of bottle mounting, the fixed plate lower part still is equipped with the illumination lamps and lanterns. The balance block is arranged in the fixed base, so that the stability of the whole infusion support is guaranteed, the infusion support is prevented from toppling over, the garbage basket and the storage basket for infusion are arranged, the problems that garbage is inconvenient to throw and the infusion is inconvenient to place are solved, the problem that the infusion pump is placed is solved by the placing table, the liquid medicine can be heated by the heating table when the infusion support is used in winter, and the infusion support is simple in structure, convenient to use and high in practicability.

摘要：【中文】本发明公开了一种洗衣机，包括配置为洗衣机主体的箱体以及设置于箱体内、顶部设置有平衡环的洗涤桶；在洗涤过程中，洗涤桶可旋转的用于盛放洗涤液体；与洗涤桶连接，用于排放洗涤桶内的洗涤液体的导水通道；用于收集导水通道排放的洗涤液体，并设置于洗涤桶外部的集水装置；设置于箱体下部，用于收集洗涤液体的接水盘；所述接水盘收集的洗涤液体至少部分沿箱体内壁，自箱体靠近顶部一侧流向箱体靠近下部一侧。本发明提供一种洗衣机，通过在洗衣机下部设置接水盘，将从平衡环与内桶或者排水通道溢出的水，以及从集水装置中由于储量过大而溢出的水进行接收、容纳，避免由于水顺着箱体流到底座，并进而流到地面上带来的安全隐患和使用不便的问题。 【EN】The invention discloses a washing machine, which comprises a box body configured as a washing machine main body and a washing barrel arranged in the box body and provided with a balance ring at the top; in the washing process, the washing barrel can be rotated to contain washing liquid; a water guide passage connected with the washing tub for discharging the washing liquid in the washing tub; a water collecting device which is used for collecting the washing liquid discharged by the water guide channel and is arranged outside the washing barrel; a water pan arranged at the lower part of the box body and used for collecting washing liquid; and at least part of the washing liquid collected by the water receiving disc flows from the side of the box body close to the top to the side of the box body close to the lower part along the inner wall of the box body. The invention provides a washing machine, which receives and contains water overflowing from a balance ring and an inner barrel or a drainage channel and water overflowing from a water collecting device due to overlarge storage amount by arranging a water receiving disc at the lower part of the washing machine, and avoids the problems of potential safety hazard and inconvenient use caused by that the water flows to a base along a box body and further flows to the ground.

摘要：【中文】本发明涉及一种市场营销信息的采集装置及方法，采集装置包括自动售货平台，自动售货平台设有货仓端和支付端，所述货仓端和支付端沿横向并列设置，支付端包括基座和功能面板，基座的底部设有支撑底板，支撑底板设有重力感应器，功能面板与基座通过竖向的滑道滑动连接，所述基座设有用于检测功能面板高度信号的位移传感器；所述功能面板上设有独立的系统启动区、商品选择区、商品确认区、支付区和支付确认区，所述系统启动区、商品确认区和支付确认区依次设有对应的第一红外感应器、第二红外感应器、第三红外感应器。本方案可大幅提高信息采集的效率，且采集过程中无地域范围和时间范围的限制，得到的样本数量大，代表性高。 【EN】The invention relates to a device and a method for acquiring marketing information, wherein the acquisition device comprises an automatic vending platform, the automatic vending platform is provided with a warehouse end and a payment end, the warehouse end and the payment end are arranged in parallel along the transverse direction, the payment end comprises a base and a functional panel, the bottom of the base is provided with a supporting bottom plate, the supporting bottom plate is provided with a gravity sensor, the functional panel is connected with the base in a sliding manner through a vertical slideway, and the base is provided with a displacement sensor for detecting a height signal of the functional panel; the system comprises a function panel and is characterized in that the function panel is provided with an independent system starting area, a commodity selection area, a commodity confirmation area, a payment area and a payment confirmation area, and the system starting area, the commodity confirmation area and the payment confirmation area are sequentially provided with a corresponding first infrared inductor, a corresponding second infrared inductor and a corresponding third infrared inductor. The scheme can greatly improve the efficiency of information acquisition, and has no limitation of a region range and a time range in the acquisition process, so that the obtained samples are large in quantity and high in representativeness.

摘要：【中文】本发明涉及一种马氏体时效抗菌不锈钢及其制备方法，属于材料技术领域。以重量百分比计，该马氏体时效抗菌不锈钢的化学成分为：C:0.35～0.50％，Cr:13.5～16.5％，Cu:1.5～4.5％，Mo:0.5～1.0％，V:0.1～0.2％，Mn≤1.0％，Si≤1.0％，P＜0.01％，S＜0.01％，O＜0.005％，N≤0.05％，余量为铁。该马氏体时效抗菌不锈钢的制备方法为：配料→熔炼→浇注成型→锻造和热加工→冷加工和热处理。本发明通过添加一定含量的Cu元素，优化热处理工艺后实现马氏体和奥氏体比例的调控，获得材料强度和韧性的最佳搭配，并且表现出良好的耐腐蚀性能和广谱的抗菌性能。 【EN】The invention relates to maraging antibacterial stainless steel and a preparation method thereof, and belongs to the technical field of materials. The maraging antibacterial stainless steel comprises the following chemical components in percentage by weight: 0.35-0.50% of C, 13.5-16.5% of Cr, 1.5-4.5% of Cu, 0.5-1.0% of Mo, 0.1-0.2% of V, less than or equal to 1.0% of Mn, less than or equal to 1.0% of Si, less than 0.01% of P, less than 0.01% of S, less than 0.005% of O, less than or equal to 0.05% of N and the balance of iron. The preparation method of the maraging antibacterial stainless steel comprises the following steps: batching → smelting → casting molding → forging and hot working → cold working and heat treatment. According to the invention, a certain content of Cu element is added, the regulation and control of the ratio of martensite to austenite are realized after the heat treatment process is optimized, the optimal matching of the strength and the toughness of the material is obtained, and the material has good corrosion resistance and broad-spectrum antibacterial performance.

摘要：【中文】本发明涉及材料领域，具体涉及一种光热转换材料及其制备方法及太阳能光热转换装置。本申请包括以下步骤：载体营养化、配制反应液、生长反应、干燥；所述的载体营养化步骤为：将载体于营养液中浸泡，所述的营养液成分包括钼酸钠、硫脲、水，载体浸泡后进行烘干，得到营养化载体；所述的配制反应液步骤为：将钼酸钠、硫脲溶解于水中得到反应液；所述的生长反应步骤为：将营养化载体与反应液放置于反应釜中，密封后放置于烘箱中进行反应，得到附着MoS₂的载体；所述的干燥步骤为：将附着MoS₂的载体经清洗后进行干燥，得到光热转换材料。本发明制备光热转换材料的方法简单，成本低，适用于生产，制得的光热转换材料的转换效率高。 【EN】The invention relates to the field of materials, in particular to a photothermal conversion material, a preparation method thereof and a solar photothermal conversion device. The method comprises the following steps: the carrier is nourished, reaction liquid is prepared, growth reaction is carried out, and drying is carried out; the carrier nutrition step is as follows: soaking a carrier in a nutrient solution, wherein the nutrient solution comprises sodium molybdate, thiourea and water, and drying the soaked carrier to obtain a nutritional carrier; the reaction solution preparation steps are as follows: dissolving sodium molybdate and thiourea in water to obtain a reaction solution; the growth reaction comprises the following steps: putting the nutrition carrier and the reaction solution into a reaction kettle, sealing the reaction kettle, and then putting the reaction kettle into an oven for reaction to obtain the attached MoS₂The vector of (1); the drying step is as follows: will attach to MoS₂The carrier is dried after being cleaned, and the photothermal conversion material is obtained. The method for preparing the photothermal conversion material is simple, has low cost, is suitable for production,the prepared photothermal conversion material has high conversion efficiency.