摘要：【中文】本发明公开了一种胰蛋白酶及其酶原的纯度检测方法。该纯度检测方法包括以下步骤：将供试品溶液经体积排阻色谱法联合紫外检测法进行检测，即可；体积排阻色谱法中的洗脱液包括流动相A和流动相B；流动相A为含有卤素离子的三氟乙酸水溶液，流动相A的pH值为1.7～2.1；流动相A中，卤素离子的浓度为3～8mM，不包括8mM；流动相B为腈类溶剂；流动相A与流动相B的体积比为35:65～65:35。该纯度检测方法具有分离度好、简单快速、专属性强、准确度高、重复性好和在相对分子质量为3.5kD～48kD范围内线性良好等特点；在含胰蛋白酶及其酶原的原料药合成工艺和制剂工艺中，可用于过程质量控制和终产品质量评价。 【EN】The invention discloses a purity detection method of trypsin and a zymogen thereof. The purity detection method comprises the following steps: detecting the test solution by size exclusion chromatography combined with ultraviolet detection method; the eluent in the size exclusion chromatography comprises a mobile phase A and a mobile phase B; the mobile phase A is trifluoroacetic acid aqueous solution containing halogen ions, and the pH value of the mobile phase A is 1.7-2.1; in the mobile phase A, the concentration of halogen ions is 3-8 mM, excluding 8 mM; the mobile phase B is a nitrile solvent; the volume ratio of the mobile phase A to the mobile phase B is 35: 65-65: 35. The purity detection method has the characteristics of good separation degree, simplicity, rapidness, strong specificity, high accuracy, good repeatability, good linearity within the range of relative molecular mass of 3.5 kD-48 kD and the like; the method can be used for process quality control and final product quality evaluation in the synthesis process and preparation process of bulk drugs containing trypsin and zymogen thereof.

摘要：【中文】本发明公开了一种PCB板上的条码定位方法，对图片进行多尺度缩放，获得多个尺度下的图片；使用深度学习模型一，对每个尺度下的图片进行预测，保留预测概率值大于阈值一的矩形框；将每个尺度下检测的矩形框进行汇聚，利用非极大值抑制算法进行融合，生成候选条码框；将候选条码框输入深度学习模型二中进行预测，保留预测概率值大于阈值二的候选条码框；将保留的候选条码框利用非极大值抑制算法进行融合，输出最终的条码定位框。本发明从卷积神经网络结构优化、检测流程优化、训练样本准备，兼顾资源消耗和检测性能表现，针对pcb板上的条码区域进行定位，使条码定位准确率较高，同时平均时间消耗较短。 【EN】The invention discloses a bar code positioning method on a PCB (printed circuit board). the method comprises the steps of carrying out multi-scale zooming on a picture to obtain the picture under multiple scales; predicting the picture under each scale by using a first deep learning model, and reserving a rectangular box with a prediction probability value larger than a first threshold value; converging rectangular frames detected under each scale, and fusing by using a non-maximum suppression algorithm to generate candidate bar code frames; inputting the candidate bar code frame into a deep learning model II for prediction, and reserving the candidate bar code frame with the prediction probability value larger than a threshold value II; and fusing the reserved candidate bar code frames by using a non-maximum suppression algorithm, and outputting a final bar code positioning frame. The method optimizes the structure of the convolutional neural network, optimizes the detection process, prepares the training sample, considers the resource consumption and the detection performance, and positions the barcode region on the pcb, so that the barcode positioning accuracy is high, and the average time consumption is short.

摘要：【中文】本发明提供一种PE收缩膜，包括依次设置的外层、中间层和内层，所述中间层的原料包括PET，所述外层和所述内层的原料包括改性PE，所述改性PE由含有甲基丙烯酸甲酯的单体对PE改性而得。本发明提供的PE收缩膜，PET强度高设置于中间层可维持PE收缩膜的整体性能，因而具有较高的拉伸强度和收缩性能。改性PE的结晶度低，有助于增强PE收缩膜的拉伸性能和收缩性能，并且改性PE中的甲基丙烯酸甲酯单体与聚乙烯发生接枝反应，可改善聚乙烯与其他材料的亲和性，因而使外层、内层与中间层之间的界面相容性好，防止外层、中间层和内层的层与层之间出现脱离。 【EN】The invention provides a PE shrink film which comprises an outer layer, a middle layer and an inner layer which are sequentially arranged, wherein the raw material of the middle layer comprises PET, the raw materials of the outer layer and the inner layer comprise modified PE, and the modified PE is obtained by modifying PE by a monomer containing methyl methacrylate. The PE shrink film provided by the invention has high PET strength, is arranged in the middle layer, and can maintain the overall performance of the PE shrink film, so that the PE shrink film has high tensile strength and shrink performance. The modified PE has low crystallinity, which is beneficial to enhancing the tensile property and the shrinkage property of the PE shrink film, and the methyl methacrylate monomer in the modified PE and the polyethylene have grafting reaction, so that the affinity of the polyethylene and other materials can be improved, the interface compatibility among the outer layer, the inner layer and the middle layer is good, and the separation among the outer layer, the middle layer and the inner layer is prevented.

摘要：【中文】一种车辆圆形出风口总成，其特征在于包括壳体、轴座、驱动轴、导风叶片及旋钮，壳体具有圆形的出风端口并中部具有镂空的支架；轴座设于前述的支架上并能转动；驱动轴能轴向移动地设于前述轴座上并能带动轴座相对支架转动；导风叶片位于前述壳体内腔并具有连接轴部，该连接轴部的一端与前述轴座的里端转动连接，另一端与驱动轴的里端活动连接；旋钮能转动地设于前述壳体的出风端口上并能轴向移动，该旋钮的中部与驱动轴的外端连接并能带动驱动轴转动。风向控制及风量开合度均集中在旋钮上，通拉动和旋转旋钮就能实现，导风叶片与壳体不会发生摩擦，不存在异响。 【EN】A vehicle circular air outlet assembly is characterized by comprising a shell, an axle seat, a driving shaft, air guide blades and a knob, wherein the shell is provided with a circular air outlet port, and the middle part of the shell is provided with a hollowed support; the shaft seat is arranged on the bracket and can rotate; the driving shaft is arranged on the shaft seat in an axially movable manner and can drive the shaft seat to rotate relative to the bracket; the wind guide blade is positioned in the inner cavity of the shell and is provided with a connecting shaft part, one end of the connecting shaft part is rotatably connected with the inner end of the shaft seat, and the other end of the connecting shaft part is movably connected with the inner end of the driving shaft; the knob can be rotationally arranged on the air outlet port of the shell and can axially move, and the middle part of the knob is connected with the outer end of the driving shaft and can drive the driving shaft to rotate. The wind direction control and the opening and closing degree of the wind quantity are concentrated on the knob, the knob can be pulled and rotated, the wind guide blades and the shell cannot rub, and abnormal sound does not exist.

摘要：【中文】本发明提供一种PE收缩膜，由原料经共混吹膜形成，按重量百分比计，所述原料包括1～10％PET、90～98％改性PE和0～2％相容剂，所述改性PE的原料包括PE材料、交联剂和甲基丙烯酸甲酯单体。本发明提供的PE收缩膜，改性PE的结晶度低，有助于增强PE收缩膜的拉伸性能和收缩性能。改性PE中的甲基丙烯酸甲酯单体与聚乙烯发生接枝反应，可改善聚乙烯与其他材料的亲和性，因而使改性PE与PET具有良好的相容性，可避免改性PE与PET共挤时分层，且两者混合制得的PET收缩膜，收缩好、拉伸强度高。 【EN】The invention provides a PE shrink film which is formed by blending and film blowing raw materials, wherein the raw materials comprise, by weight, 1-10% of PET, 90-98% of modified PE and 0-2% of a compatilizer, and the raw materials of the modified PE comprise a PE material, a cross-linking agent and a methyl methacrylate monomer. The modified PE shrink film provided by the invention has low crystallinity, and is beneficial to enhancing the tensile property and the shrinkage property of the PE shrink film. The methyl methacrylate monomer in the modified PE and the polyethylene are subjected to a grafting reaction, so that the affinity of the polyethylene and other materials can be improved, the modified PE and the PET have good compatibility, the delamination of the modified PE and the PET during coextrusion can be avoided, and a PET shrink film prepared by mixing the modified PE and the PET has good shrinkage and high tensile strength.

摘要：【中文】一种水下泥沙固体流动监测装置，在封闭的外壳内固定有发电机、天线、电路板；所述发电机的转轴与摆锺连接成由摆锺的摆动带动发电机发电的结构；所述电路板用于将地理位置信息传递到天线，由天线将地理位置进行发送。其优点是装置在移动过程中可随机滚动，摆锺的在重力作用下摆动带动发电机产生电能，电能一部分驱动电路板通过天线发送GPS地理位置信息信号到基站接收，另一部分多余电能存储到电池备用，达到装置在流水作用下跟随泥沙固体流动流动后把地理位置发送到基站发达到监测。 【EN】A underwater silt solid flow monitoring device is characterized in that a generator, an antenna and a circuit board are fixed in a closed shell; the rotating shaft of the generator is connected with the pendulum to form a structure in which the generator is driven to generate power by the swinging of the pendulum; the circuit board is used for transmitting the geographical position information to the antenna, and the antenna sends the geographical position. The device has the advantages that the device can roll randomly in the moving process, the swinging of the swinging hammer drives the generator to generate electric energy under the action of gravity, one part of the electric energy drives the circuit board to send GPS geographic position information signals to the base station through the antenna for receiving, and the other part of the redundant electric energy is stored in the battery for standby, so that the purpose that the device sends the geographic position to the base station to be developed to monitor after flowing along with silt solids under the action of flowing water is achieved.

摘要：【中文】本发明公开了一种针距检测方法及装置、记忆缝纫的控制方法及控制系统。针距检测方法，包括：确定上轴的旋转方向并检测送料轴的起始摆动方向；根据所述送料轴的起始摆动方向与同一时刻所述上轴的旋转方向的关系确定缝纫方向，当所述送料轴的起始摆动方向与同一时刻所述上轴的旋转方向相反时，所述缝纫方向为正缝，否则，所述缝纫方向为倒缝。通过实时检测确定上轴和送料轴的运行情况可以实现对针距的缝纫方向参数，通过对此参数信息进行利用，可以在初次缝纫缝布时对该信息进行记录与存储，在以同样的缝纫要求缝纫下一个相同的缝布时，直接对存储的信息进行利用即可直接确定缝纫方向，能够有效提高缝纫效率，降低工作人员的劳动强度。 【EN】The invention discloses a needle pitch detection method and device, and a memory sewing control method and system. The needle pitch detection method comprises the following steps: determining the rotation direction of the upper shaft and detecting the initial swing direction of the feeding shaft; and determining the sewing direction according to the relation between the initial swinging direction of the feeding shaft and the rotating direction of the upper shaft at the same moment, wherein when the initial swinging direction of the feeding shaft is opposite to the rotating direction of the upper shaft at the same moment, the sewing direction is a forward seam, otherwise, the sewing direction is a reverse seam. The sewing direction parameters of the needle pitch can be realized by determining the running conditions of the upper shaft and the feeding shaft through real-time detection, the information can be recorded and stored when sewing cloth for the first time by utilizing the parameter information, and the sewing direction can be directly determined by directly utilizing the stored information when sewing next same cloth with the same sewing requirement, so that the sewing efficiency can be effectively improved, and the labor intensity of workers is reduced.

摘要：【中文】本发明公开了一种用来进行主装置与记忆装置之间的存取控制的方法、相关桥接装置及其桥接控制器，其中该方法可应用于该桥接装置以将该记忆装置耦接至该主装置。该方法可包含：接收第一测试指令；回传失败信息；接收请求指令；回传装置相关信息；接收第二测试指令；回传通过信息；接收容量相关指令；回报该记忆装置的回报逻辑地址数量以及该记忆装置的回报扇区大小；以及在该主装置进行存取运作的期间，进行对应于该记忆装置的记忆装置侧中的记忆装置侧逻辑地址格式以及对应于该主装置的主装置侧中的主装置侧逻辑地址格式之间的双向映射。本发明能确保记忆装置在各种情况下妥善地运作，避免相关技术中的无法成功格式化、数据损坏/丢失等问题。 【EN】The invention discloses a method for performing access control between a main device and a memory device, a related bridge device and a bridge controller thereof, wherein the method can be applied to the bridge device to couple the memory device to the main device. The method may comprise: receiving a first test instruction; returning failure information; receiving a request instruction; returning device related information; receiving a second test instruction; passing information is returned; receiving a capacity-related instruction; reporting the number of reporting logical addresses of the memory device and the size of the reporting sector of the memory device; and performing a bidirectional mapping between a memory-side logical address format in a memory side corresponding to the memory device and a host-side logical address format in a host side corresponding to the host device during an access operation by the host device. The invention can ensure that the memory device operates properly under various conditions, and avoid the problems of unsuccessful formatting, data damage/loss and the like in the related technology.

摘要：【中文】本发明提供一种减压曝气回收利用热镀锌酸洗废液的工艺方法，具体步骤如下：S1、将含有FeCl₂的热镀锌酸洗废液加入减压曝气反应蒸馏装置中，利用加热控温装置中的导热介质对减压曝气反应蒸馏装置进行加热；S2、减压曝气反应蒸馏装置中热镀锌酸洗废液边进行加热反应的同时对其进行抽真空，利用空气对热镀锌酸洗废液进行曝气；S3、热镀锌酸洗废液中FeCl₂在受热条件下水解，生成HCl气体在负压条件下被气流带出，进入与减压曝气反应蒸馏装置连通的吸收瓶；S4、在曝气时空气中的氧气将FeCl₂水解生成的Fe(OH)₂氧化成Fe(OH)₃；S5、减压曝气蒸馏反应后残留下的废液经过滤，滤液作为再次进行减压曝气反应的反应液，滤渣经干燥后得到水合氧化铁。 【EN】The invention provides a process method for recycling hot galvanizing pickling waste liquid by decompression aeration, which comprises the following steps: s1, adding FeCl₂The hot galvanizing pickling waste liquid is added into a reduced pressure aeration reaction distillation device, and the reduced pressure aeration reaction distillation device is heated by utilizing a heat-conducting medium in a heating temperature control device; s2, heating the hot galvanizing pickling waste liquid in the reduced-pressure aeration reaction distillation device while performing heating reaction, vacuumizing the hot galvanizing pickling waste liquid, and aerating the hot galvanizing pickling waste liquid by using air; s3 FeCl in hot galvanizing pickling waste liquid₂Hydrolyzing under the heating condition, and leading generated HCl gas out by airflow under the negative pressure condition to enter an absorption bottle communicated with the reduced pressure aeration reaction distillation device; s4, aerating FeCl by oxygen in air₂Fe (OH) formed by hydrolysis₂Oxidation to Fe (OH)₃(ii) a S5, filtering the waste liquid remained after the reduced pressure aeration distillation reaction, and taking the filtrate as the waste liquid to be subjected to reduced pressure againAnd aerating the reaction solution of the reaction, and drying filter residues to obtain the hydrated ferric oxide.

摘要：【中文】本发明涉及一种网络鉴权方法、装置、计算机设备和存储介质。该方法包括：监测基站与服务器之间的通信链路的通信状态；若通信状态为异常，则执行鉴权操作，其中，鉴权操作包括：从鉴权参数集合中选择预设优先级最高的鉴权参数，对基站与服务器之间的通信链路进行网络鉴权；若鉴权不成功，则更新鉴权参数集合中各鉴权参数的优先级，并基于更新后的鉴权参数集合中各鉴权参数的优先级，继续执行鉴权操作，直到鉴权成功为止。上述鉴权方法实现了自动鉴权的过程，相比于现有的需要人工介入手动操作进行网络鉴权方法，本申请提出的网络鉴权方法极大的缩短了基站与服务器之间网络中断进行恢复链路的时间，从而保证了网络运行的稳定性。 【EN】The invention relates to a network authentication method, a network authentication device, computer equipment and a storage medium. The method comprises the following steps: monitoring the communication state of a communication link between a base station and a server; if the communication state is abnormal, executing authentication operation, wherein the authentication operation comprises the following steps: selecting an authentication parameter with the highest preset priority from the authentication parameter set, and performing network authentication on a communication link between the base station and the server; if the authentication is unsuccessful, updating the priority of each authentication parameter in the authentication parameter set, and continuing to execute the authentication operation based on the updated priority of each authentication parameter in the authentication parameter set until the authentication is successful. Compared with the existing network authentication method which needs manual intervention and manual operation, the network authentication method provided by the application greatly shortens the time for recovering the link when the network is interrupted between the base station and the server, thereby ensuring the stability of network operation.