摘要：【中文】本文涉及一种智能笔的考试系统，其特征包括：一智能笔装置，以让考生进行身份辨识、答案书写及回传功能；一控制终端，以进行对智能笔资料的传递与接收；一服务端，根据考生所需的身份辨识、考题、考试时间、老师阅卷进行储存与判定功能。其中智能笔内含防弊模组可以侦测考生的应试距离进行预警。本发明主要应用于教育领域，特别是用于学生或老师使用智能笔进行考试数据采集和考试安排管理，便于实现电子阅卷。 【EN】This paper relates to an examination system of intelligence pen, its characterized by includes: an intelligent pen device for the examinee to perform the functions of identity identification, answer writing and returning; a control terminal for transmitting and receiving the intelligent pen data; and the server performs storage and judgment functions according to identity identification, examination questions, examination time and teacher paper reading required by the examinees. Wherein the intelligent pen contains the anti-cheating module and can detect the distance of trying to carry out the early warning. The intelligent pen is mainly applied to the field of education, is particularly used for students or teachers to collect examination data and arrange and manage examinations by using the intelligent pen, and is convenient for realizing electronic paper marking.

摘要：【中文】本发明公开了一种可降解超支化分散剂的制备方法：1)以二元酸为起始剂，在催化剂作用下，与环内酯开环聚合反应，形成端羧基的聚酯型溶剂化链段；2)使所述端羧基的聚酯与胺类物质进行酰胺化反应，得到所述可降解超支化分散剂。本发明可降解超支化分散剂对环境友好，粘度低，与有机介质中的相容性能优异，可降低分散体系粘度，具有优良的分散效果。 【EN】The invention discloses a preparation method of a degradable hyperbranched dispersant, which comprises the following steps: 1) using dibasic acid as initiator, and under the action of catalyst, making ring-opening polymerization reaction with cyclic lactone to form carboxyl-terminated polyester solvation chain segment; 2) and carrying out amidation reaction on the carboxyl-terminated polyester and amine substances to obtain the degradable hyperbranched dispersant. The degradable hyperbranched dispersant disclosed by the invention is environment-friendly, low in viscosity, excellent in compatibility with organic media, capable of reducing the viscosity of a dispersion system and excellent in dispersion effect.

摘要：【中文】一种汽车座椅靠背骨架的焊接定位系统，提供一种可对汽车座椅靠背的组成零件进行精准对位，并依次进行焊接，有效防止焊接过程中各零件热变形，可实现集成定位焊接各组成零件，保证各组成零件的相对定位精度。包括设置在基座上的钢丝组件定位机构、第一压紧机构、第二压紧机构、扶手支座压紧机构、连接支座支撑机构和滑动机构，其特征在于：所述基座上设置第一支撑座和若干个第二支撑座，基座下端两侧对称设置有钢丝组件定位机构，基座的上端两侧对称设置第二压紧机构，基座下端中部设置有导向座体，导向座体两侧对称设置有第一压紧机构，基座上端中部设置有滑动机构，滑动机构上端设置有扶手支座压紧机构，基座上端中部对称设置有连接支座支撑机构。 【EN】The utility model provides a welding position system of car seat back skeleton, provides one kind and can carry out accurate counterpoint to the component part of car seat back to weld in proper order, effectively prevent each part heat altered shape among the welding process, can realize each component part of integrated fixed-position welding, guarantee each component part's relative positioning accuracy. Including setting up steel wire subassembly positioning mechanism, first hold-down mechanism, second hold-down mechanism, handrail support hold-down mechanism, connection support supporting mechanism and slide mechanism on the base, its characterized in that: the steel wire component positioning device is characterized in that a first supporting seat and a plurality of second supporting seats are arranged on the base, steel wire component positioning mechanisms are symmetrically arranged on two sides of the lower end of the base, second pressing mechanisms are symmetrically arranged on two sides of the upper end of the base, a guide seat body is arranged in the middle of the lower end of the base, first pressing mechanisms are symmetrically arranged on two sides of the guide seat body, a sliding mechanism is arranged in the middle of the upper end of the base, a handrail support pressing mechanism is arranged on the upper end of the sliding mechanism, and a connecting support supporting.

摘要：【中文】本发明提供一种焦点对象的移动方法及显示设备，通过获取用户输入的焦点移动指令，并根据焦点移动指令，控制焦点对象在第一移动方向上，移动至第一目标项目，其中，第一目标项目为菜单界面中与所述焦点对象所处的项目距离最近的可用项目，在菜单界面上存在一至多个不可用项目时，使焦点对象能够根据用户输入的指令快速移动至对应的可用项目，不需要用户进行多次输入指令的操作，提高了用户体验。 【EN】The invention provides a method for moving a focus object and display equipment, which are characterized in that the focus object is controlled to move to a first target item in a first moving direction by acquiring a focus moving instruction input by a user and controlling the focus object to move to the first target item according to the focus moving instruction, wherein the first target item is an available item which is closest to an item where the focus object is located in a menu interface, and when one or more unavailable items exist on the menu interface, the focus object can be quickly moved to the corresponding available item according to the instruction input by the user, the operation of inputting the instruction for multiple times by the user is not required, and the user experience is improved.

摘要：【中文】本发明的可增强换热的相变蓄热地板结构及其施工方法属于建筑节能领域，该地板结构由下至上依次包括基础结构层、绝热层、相变蓄热层和地板装饰层，相变蓄热层包括加热管线和相变蓄热盒，相变蓄热盒中填充有相变材料，其特征在于：加热管线包括下层加热管线和上层加热管线，下层加热管线穿过相变蓄热盒，上层加热管线放置于相邻两个相变蓄热盒侧壁顶部形成的缺口中。本发明的加热管线双层布置，可以增加加热管线的布置密度。而且在间歇性供暖时，上层加热管线的作用在于可以很快的提升室温，辅助蓄热；下层加热管线为相变材料的蓄热提供足够的热量。并在不锈钢管与不锈钢盒之间连接肋片来强化换热，可以在极大提升相变蓄热地板的蓄热、放热速率。 【EN】The invention relates to a phase change heat storage floor structure capable of enhancing heat exchange and a construction method thereof, belonging to the field of building energy conservation, the floor structure sequentially comprises a base structure layer, a heat insulation layer, a phase change heat storage layer and a floor decoration layer from bottom to top, wherein the phase change heat storage layer comprises a heating pipeline and a phase change heat storage box, and the phase change heat storage box is filled with a phase change material, and the floor structure is characterized in that: the heating pipelines comprise a lower layer heating pipeline and an upper layer heating pipeline, the lower layer heating pipeline penetrates through the phase change heat storage boxes, and the upper layer heating pipeline is placed in a gap formed at the top of the side wall of each two adjacent phase change heat storage boxes. The heating pipeline is arranged in a double-layer mode, so that the arrangement density of the heating pipeline can be increased. When intermittent heating is performed, the upper heating pipeline has the function of quickly raising the room temperature and assisting in heat storage; the lower heating pipeline provides enough heat for the heat storage of the phase-change material. And the fins are connected between the stainless steel pipe and the stainless steel box to strengthen heat exchange, so that the heat storage and heat release rates of the phase change heat storage floor can be greatly improved.

摘要：【中文】本发明提供一种用于检测新型冠状病毒orf1ab和S基因的试剂盒，涉及试剂盒检测技术领域，包括RT‑PCR反应液、RT‑PCR反应酶系、阳性质控品和阴性质控品，所述RT‑PCR反应液中含有PCR缓冲液、特异性的正、反向引物和异性荧光探针。本发明特异性、准确性和检测效率高，具有较高通量，操作简便，可降低成本，通用性强。 【EN】The invention provides a kit for detecting novel coronavirus orf1ab and S genes, and relates to the technical field of kit detection. The invention has high specificity, accuracy and detection efficiency, higher flux, simple and convenient operation, reduced cost and strong universality.

摘要：【中文】本发明公开了一种电渗析法生产广灭灵的方法及其生产装置，是利用双极膜电渗析工艺将硫酸羟胺电解成羟胺和硫酸根离子，羟胺和邻氯氯苄反应生成N‑(2‑氯‑苄基)‑羟胺，N‑(2‑氯‑苄基)‑羟胺再和氯代特戊酰氯，加入硫酸钠或者氯化钠，在双极膜电渗析的电解下，生成3‑氯‑N‑(2‑氯‑苄基)‑N‑羟基‑2,2‑二甲基‑丙酰胺；3‑氯‑N‑(2‑氯‑苄基)‑N‑羟基‑2,2‑二甲基‑丙酰胺在碱性条件下继续合环，生成广灭灵；公开的生产装置包括一个双极膜电渗析反应器和一个反应釜，双极膜电渗析反应器还连通有硫酸罐和盐酸罐。本发明设备简单，生产连续性强，具有生产效率高，收率高，产品质量好，节省能耗，清洁生产等优点。 【EN】The invention discloses a method for producing clomazone by electrodialysis method and a production device thereof, which utilizes a bipolar membrane electrodialysis process to electrolyze hydroxylamine sulfate into hydroxylamine and sulfate ions, the hydroxylamine reacts with o-chlorobenzyl chloride to generate N- (2-chloro-benzyl) -hydroxylamine, the N- (2-chloro-benzyl) -hydroxylamine is further reacted with chloro pivaloyl chloride, sodium sulfate or sodium chloride is added, and 3-chloro-N- (2-chloro-benzyl) -N-hydroxy-2, 2-dimethyl-propionamide is generated under the electrolysis of the bipolar membrane electrodialysis; 3-chloro-N- (2-chloro-benzyl) -N-hydroxy-2, 2-dimethyl-propionamide continues to close the ring under the alkaline condition to generate clomazone; the disclosed production device comprises a bipolar membrane electrodialysis reactor and a reaction kettle, wherein the bipolar membrane electrodialysis reactor is also communicated with a sulfuric acid tank and a hydrochloric acid tank. The invention has the advantages of simple equipment, strong production continuity, high production efficiency, high yield, good product quality, energy consumption saving, clean production and the like.

摘要：【中文】一种铁路吸污车侧吸工作装置，其包括除尘系统，该除尘系统外侧通过抽吸管(8)连接扫吸装置(14)，该扫吸装置包括连接于抽吸管(8)末端的回转支撑箱体(27)，该回转支撑箱体(27)上装有回转支撑驱动马达(30)，该回转支撑驱动马达(30)的作用是驱动所述回转支撑箱体(27)转动至需要的作业位置，所述回转支撑箱体(27)下方还连接侧吸装置罩体(29)，该侧吸装置罩体(29)上方装有马达(26)，所述侧吸装置罩体(29)下方装有滚刷(25)所述回转支撑箱体(27)上方与所述抽吸管(8)连通。上述技术方案能够大幅度减少作业人员，降低人工劳动强度，提高作业人员健康水平。 【EN】The utility model provides a railway soil pick-up car side suction equipment, its includes dust pelletizing system, and this dust pelletizing system outside is passed through suction tube (8) and is connected sweeping device (14), and this sweeping device is including connecting in the terminal gyration support box (27) of suction tube (8), is equipped with gyration support driving motor (30) on this gyration support box (27), and the effect that this gyration supported driving motor (30) is the drive gyration support box (27) rotate to the operation position of needs, the gyration is supported box (27) below and is still connected the side suction device cover body (29), and motor (26) are equipped with to this side suction device cover body (29) top, side suction device cover body (29) below is equipped with round brush (25) gyration support box (27) top with suction tube (8) intercommunication. By the technical scheme, the number of operators can be greatly reduced, the labor intensity of workers is reduced, and the health level of the operators is improved.

摘要：【中文】本发明提出一种过压保护电路，用于保护铁道车辆产品的直流电源模块，包括输入滤波和浪涌保护模块、输入电压比较模块及电源回路切断模块；供电电源正极经所述输入滤波和浪涌保护模块与所述直流电源模块的正极连接，供电电源负极依次经所述输入滤波和浪涌保护模块及所述电源回路切断模块与所述直流电源模块的负极连接；所述输入滤波和浪涌保护模块的输出电压正负极经过分压后接入所述输入电压比较模块的输入端并与预设的参考电压做比较，所述输入电压比较模块的输出端与所述电源回路切断模块连接以根据比较结果控制所述电源回路切断模块的通断；其将直流电源模块的输入保护电压提升，提高了产品的可靠性及可用性，降低了维护成本。 【EN】The invention provides an overvoltage protection circuit, which is used for protecting a direct-current power supply module of a railway vehicle product and comprises an input filtering and surge protection module, an input voltage comparison module and a power supply circuit cutting-off module; the anode of the power supply is connected with the anode of the direct current power supply module through the input filtering and surge protection module, and the cathode of the power supply is connected with the cathode of the direct current power supply module through the input filtering and surge protection module and the power circuit cut-off module in sequence; the output voltage anode and cathode of the input filtering and surge protection module are connected to the input end of the input voltage comparison module after voltage division and are compared with a preset reference voltage, and the output end of the input voltage comparison module is connected with the power supply circuit cut-off module so as to control the on-off of the power supply circuit cut-off module according to a comparison result; the input protection voltage of the direct-current power supply module is improved, the reliability and the usability of the product are improved, and the maintenance cost is reduced.

摘要：【中文】本发明公开了一种利用热交换进行再热的新风系统及换热方法，包括热交换装置一、热交换装置二、风阀一、风机一、风阀二、净化装置、换热盘管和风机二；热交换装置一与热交换装置二和风机二连通，热交换装置二通过风阀一与风机一连通，并和换热盘管连通，风机一与净化装置连通，所述净化装置与换热盘管连通；新风依次通过热交换装置一、热交换装置二、风阀一、风机一、净化装置、换热盘管和热交换装置二的回风出口进入室内，排风依次通过热交换装置一和风机二排出室外。本发明通过设置两个热交换装置，在第二次热交换中利用同一股气流的前后温度不同进行先降温后升温，保证了降温冷凝的的效果，具有降低能耗、除湿稳定、提升舒适度的优点。 【EN】The invention discloses a fresh air system and a heat exchange method for reheating by using heat exchange, which comprises a first heat exchange device, a second heat exchange device, a first air valve, a first fan, a second air valve, a purification device, a heat exchange coil and a second fan, wherein the first air valve is connected with the first heat exchange device; the first heat exchange device is communicated with the second heat exchange device and the second fan, the second heat exchange device is communicated with the first fan through the first air valve and is communicated with the heat exchange coil, the first fan is communicated with the purification device, and the purification device is communicated with the heat exchange coil; fresh air sequentially passes through the first heat exchange device, the second heat exchange device, the first air valve, the first fan, the purifying device, the heat exchange coil and a return air outlet of the second heat exchange device to enter the room, and exhaust air sequentially passes through the first heat exchange device and the second fan to be discharged out of the room. According to the invention, through arranging the two heat exchange devices, the temperature is firstly reduced and then increased by utilizing the difference of the front and back temperatures of the same air flow in the second heat exchange, so that the effects of temperature reduction and condensation are ensured, and the device has the advantages of reducing energy consumption, stabilizing dehumidification and improving comfort level.