摘要：【中文】本发明公开了一种EPP和PP复合一体成型卡扣，包括EPP基座和嵌设于EPP基座内并与EPP基座一体成型的用于连接的PP卡接件；采用EPP和PP复合一体成型的结构，在保证装配强度的同时避免了EPP产品卡扣在频繁使用过程中松动；PP结构部分(卡接件)大大减小，模具、材料等成本降低；使EPP产品生产更加简单，质量更容易把控；通过这种方法使密度较低的EPP产品也可以保证卡扣的装配强度，只需满足卡接部分高密度即可满足强度需求；不仅降低EPP产品成本，改善EPP产品整体质量，还可以满足低密度EPP产品装配结构要求。 【EN】The invention discloses an EPP and PP composite integrated buckle, which comprises an EPP base and a PP clamping piece which is embedded in the EPP base and is integrated with the EPP base for connection; the EPP and PP composite integrated structure is adopted, so that the assembly strength is ensured, and meanwhile, the looseness of the EPP product buckle in the frequent use process is avoided; the PP structure part (clamping piece) is greatly reduced, and the cost of the die, materials and the like is reduced; the production of EPP products is simpler, and the quality is easier to control; by the method, the EPP product with lower density can also ensure the assembling strength of the buckle, and the strength requirement can be met only by meeting the high density of the clamping part; not only reduces the EPP product cost and improves the overall quality of the EPP product, but also can meet the requirements of the assembly structure of the low-density EPP product.

摘要：【中文】本发明公开了一种用于水稻、小麦、西红柿、辣椒、西瓜的桶混增产组合物，其特征是：由吡唑醚菌酯、橙皮精油、氨基酸叶面肥组成。本发明用于水稻、小麦、西红柿、辣椒、西瓜田杀菌增产，相比一般单剂，增产效果明显，提高作物的产量，降低了残留的威胁，减少对环境的污染。该桶混组合物高效，对水稻、小麦、西红柿、辣椒、西瓜安全而且价格适中。 【EN】The invention discloses a tank-mixing yield-increasing composition for rice, wheat, tomatoes, hot peppers and watermelons, which is characterized by comprising the following components in parts by weight: consists of pyraclostrobin, orange peel essential oil and amino acid foliar fertilizer. The invention is used for sterilizing and increasing the yield of rice, wheat, tomatoes, hot peppers and watermelons, has obvious yield increasing effect compared with a common single agent, improves the yield of crops, reduces the threat of residues and reduces the pollution to the environment. The tank-mixed composition is highly effective, safe to rice, wheat, tomato, pepper and watermelon, and has moderate cost.

摘要：【中文】本发明提供一种儿童DDH髋臼截骨矫形导板及其使用方法，包括截骨导板和下压撑开导板，所述截骨导板具有与髋臼外上方关节囊及周围骨面贴合的外形，所述截骨导板上具有预设高度的一截骨槽和数个克氏针孔，所述下压撑开导板设有两侧侧板以及连接部，所述两侧侧板分别设于下压撑开导板的两侧，使预设高度的之间形成尖部开口状，两侧侧板的底部由连接部连接，所述连接部由条杆连接。本发明提供了一种用于矫形手术中完成截骨操作的，集定位、导向、测距为一体的矫形截骨板系统及操作方法，不但可以提高手术的安全性和精确度，同时缩短了手术时间，避免过多的X线辐射。 【EN】The invention provides a DDH acetabular bone osteotomy orthopedic guide plate for children and a use method thereof, and the DDH acetabular bone osteotomy orthopedic guide plate comprises a bone osteotomy guide plate and a downward pressing and opening guide plate, wherein the bone osteotomy guide plate is provided with an appearance which is attached to a joint capsule above the acetabulum and a peripheral bone surface, a bone osteotomy groove with a preset height and a plurality of Kirschner wire holes are formed in the bone osteotomy guide plate, the downward pressing and opening guide plate is provided with two side plates and a connecting part, the two side plates are respectively arranged on two sides of the downward pressing and opening guide plate, so that a tip opening shape is formed between the preset heights, the bottoms of the two side plates are. The invention provides an orthopedic osteotomy plate system and an operation method which are used for finishing osteotomy operation in orthopedic surgery and integrate positioning, guiding and distance measurement, thereby not only improving the safety and the accuracy of surgery, but also shortening the surgery time and avoiding excessive X-ray radiation.

摘要：【中文】本发明提供一种儿童DDH股骨近端截骨导板及其使用方法，两个与股骨随形的股骨板上下布置，并在两股骨板之间具有一间隙，两股骨板在所述间隙处由连接部连接，位于上方的股骨板上具有一与股骨干轴垂直的第一截骨槽，位于下方的股骨板上具有一倾斜的第二截骨槽，两个所述股骨板上各设有数个克氏针定位孔。本发明为集定位、导向、测距为一体的矫形截骨板，不但可以提高手术的安全性和精确度，同时缩短了手术时间，并且可以避免过多的X线辐射，为临床医生提供更精准的截骨导向，达到个性化治疗儿童DDH的目的，改善患者髋关节功能，促进髋臼再次发育，达到治愈髋关节畸形或推迟髋关节骨关节炎的发生，减少患者病残率。 【EN】The invention provides a DDH proximal femur osteotomy guide plate for children and a use method thereof. The orthopedic osteotomy plate integrates positioning, guiding and ranging into a whole, so that the safety and the accuracy of an operation can be improved, the operation time is shortened, excessive X-ray radiation can be avoided, more accurate osteotomy guiding is provided for a clinician, the aim of treating child DDH in a personalized mode is fulfilled, the hip joint function of a patient is improved, the secondary development of acetabulum is promoted, hip joint deformity is cured or the occurrence of hip joint osteoarthritis is delayed, and the disability rate of the patient is reduced.

摘要：【中文】一种倒装焊器件焊点缺陷无损检测方法，包括如下步骤：步骤1、将填充底部填充胶后的倒装焊器件固定在载物台上；步骤2、将载物台放置在光源和探测器之间，调整载物台位置，使探测器与光源以及器件位于同一直线上；步骤3、开启光源，通过控制电压及电流的大小对光源发出的X射线进行调节；步骤4、使用探测器对底部填充胶释放的二次射线进行收集并测量，通过图像处理器将收集到的射线信息进行图像转换；步骤5、调整图像的清晰度、灰度以及放大倍数，对照检测示意图进行缺陷类型判定，确定焊点有无缺陷以及缺陷类型。本发明的方法提升高密度倒装焊器件焊点缺陷检测效率，保证倒装焊器件的工艺质量。 【EN】A method for nondestructive detection of welding spot defects of a flip chip device comprises the following steps: step 1, fixing the flip chip device filled with the underfill on an objective table; step 2, placing an objective table between the light source and the detector, and adjusting the position of the objective table to enable the detector, the light source and the device to be positioned on the same straight line; step 3, turning on a light source, and adjusting the X-ray emitted by the light source by controlling the voltage and the current; step 4, collecting and measuring secondary rays released by the underfill by using a detector, and performing image conversion on collected ray information through an image processor; and 5, adjusting the definition, the gray level and the magnification of the image, judging the defect type by contrasting the detection schematic diagram, and determining whether the welding spot has defects or not and the defect type. The method of the invention improves the detection efficiency of the welding spot defects of the high-density flip chip device and ensures the process quality of the flip chip device.

摘要：【中文】一种结合比率运算技术的数字锁相放大器及其锁相放大方法，该锁相放大器包括输入信号处理模块、参考信号产生模块、模数转换模块及数字处理模块，参考信号产生模块输出两路相互正交的正弦参考信号，数字处理模块包括数字乘法器、数字低通滤波器和数字运算器。本锁相放大器在检测信号过程中可以实现较宽的信号输入范围，有效地降低了对前端放大电路的带宽要求，节省了功耗。通过采用比率运算技术，可以实现对电路中乘性噪声带来的波动增益进行抵消，进而有效地提高了电路的信噪比。本发明可以广泛应用于微弱信号测量领域中。 【EN】A digital phase-locked amplifier combined with ratio operation technology and a phase-locked amplifying method thereof are provided, the phase-locked amplifier comprises an input signal processing module, a reference signal generating module, an analog-to-digital conversion module and a digital processing module, the reference signal generating module outputs two paths of sine reference signals which are mutually orthogonal, and the digital processing module comprises a digital multiplier, a digital low-pass filter and a digital arithmetic unit. The phase-locked amplifier can realize a wider signal input range in the signal detection process, effectively reduces the bandwidth requirement on a front-end amplifying circuit, and saves power consumption. By adopting the ratio operation technology, the fluctuation gain caused by multiplicative noise in the circuit can be counteracted, and the signal-to-noise ratio of the circuit is effectively improved. The invention can be widely applied to the field of weak signal measurement.

摘要：【中文】本发明公开了一种具有携香及选择性降低烟气苯酚含量功能的超细纤维功能化滤棒丝束及其制备和应用，超细纤维功能化滤棒丝束由丝束基材及其表面的致香物掺杂聚乙烯吡咯烷酮微纳级超细纤维膜层构成，将超细纤维功能化滤棒丝束制成卷烟滤棒，对烟气中苯酚具有显著的选择性降低效果，烟气有害成分苯酚可降低13～35％，而烟气焦油基本没有明显变化，凸显对烟气苯酚的选择性降低作用，且赋予烟气独特的香味。 【EN】The invention discloses an ultrafine fiber functionalized filter stick tow with functions of carrying fragrance and selectively reducing the content of phenol in smoke, and preparation and application thereof, wherein the ultrafine fiber functionalized filter stick tow is composed of a tow base material and a polyvinylpyrrolidone micro-nano ultrafine fiber film layer doped with a fragrance on the surface of the tow base material, the ultrafine fiber functionalized filter stick tow is prepared into a cigarette filter stick, the effect of remarkably reducing the selectivity of phenol in smoke is achieved, the phenol harmful to the smoke can be reduced by 13-35%, the tar in the smoke is basically not obviously changed, the effect of selectively reducing the phenol in the smoke is prominent, and the unique fragrance is endowed to the smoke.

摘要：【中文】本发明公开一种自然场景图像文本检测方法、存储介质及终端设备，方法包括步骤：采用深度卷积神经网络模型对待检测图像进行特征提取处理，得到四个阶段的基本特征图；对所述四个阶段的基本特征图进行融合处理，得到三个阶段的深度融合特征图；采用改进的Inception模块对所述三个阶段的深度融合特征图进行聚合操作，得到文本区域概率预测特征图和文本区域位置预测特征图；对所述文本区域概率预测特征图和所述文本区域位置预测特征图进行算法处理，得到自然场景图像中文本的位置。本发明利用多阶段的特征图进行融合，将深度卷积神经网络早期阶段的图像特征信息用于最终的特征图聚合，可有效提高自然场景图像文本检测的准确率。 【EN】The invention discloses a natural scene image text detection method, a storage medium and a terminal device, wherein the method comprises the following steps: performing feature extraction processing on an image to be detected by adopting a deep convolutional neural network model to obtain basic feature maps of four stages; performing fusion processing on the basic feature maps of the four stages to obtain depth fusion feature maps of the three stages; adopting an improved inclusion module to perform aggregation operation on the depth fusion characteristic maps in the three stages to obtain a text region probability prediction characteristic map and a text region position prediction characteristic map; and carrying out algorithm processing on the text region probability prediction characteristic map and the text region position prediction characteristic map to obtain the position of the text in the natural scene image. The method utilizes the multi-stage feature maps for fusion, uses the image feature information of the early stage of the deep convolutional neural network for final feature map aggregation, and can effectively improve the accuracy of natural scene image text detection.

摘要：【中文】一种电平触发型的自动调节增益放大电路，包括可编程增益放大器和自动增益控制电路，所述自动增益控制电路包括比较器和数字逻辑电路，所述比较器，用于判定信号大小是否超过预设电平，输出的数字信号用来决定可编程增益放大器的增益。本发明采用全新设计的前馈控制模式自动增益控制电路，基于电平触发动作原理，避免了峰值检测电路的使用，降低了整个电路的静态功耗，能实现较快的增益调节响应，同时本发明无需峰值检测电路，降低了整个电路的静态功耗，具有功耗低、结构简单、可控性强等优点。 【EN】A level-triggered automatic gain adjusting amplifying circuit comprises a programmable gain amplifier and an automatic gain control circuit, wherein the automatic gain control circuit comprises a comparator and a digital logic circuit, the comparator is used for judging whether the signal magnitude exceeds a preset level, and an output digital signal is used for determining the gain of the programmable gain amplifier. The invention adopts a newly designed feedforward control mode automatic gain control circuit, based on the level trigger action principle, avoids the use of a peak detection circuit, reduces the static power consumption of the whole circuit, can realize faster gain adjustment response, does not need the peak detection circuit, reduces the static power consumption of the whole circuit, and has the advantages of low power consumption, simple structure, strong controllability and the like.

摘要：【中文】一种基于频分复用数据压缩技术的生物电阻抗断层成像系统，系统包括：电极、连接线、电阻抗断层成像芯片、通用串行总线和计算机。本发明通过频分复用技术的巧妙应用实现了所述的的电阻抗断层成像系统，具有功耗低、硬件开销小等优势。其中基于频分复用技术的13通道电阻抗断层成像芯片的架构，已经实现CMOS0.13微米工艺的流片验证，芯片每通道功耗为118微瓦，每通道面积为0.87平方毫米，本发明可以迁移到电阻抗成像的其他应用中去。 【EN】A bioelectrical impedance tomography system based on frequency division multiplexing data compression technology comprises: electrodes, connecting wires, an electrical impedance tomography chip, a universal serial bus and a computer. The invention realizes the electrical impedance tomography system by skillful application of frequency division multiplexing technology, and has the advantages of low power consumption, low hardware overhead and the like. The structure of the 13-channel electrical impedance tomography chip based on the frequency division multiplexing technology realizes the flow sheet verification of a CMOS0.13 micron process, the power consumption of each channel of the chip is 118 microwatts, the area of each channel is 0.87 square millimeter, and the invention can be transferred to other applications of electrical impedance imaging.