摘要：【中文】本发明公开了一种硝酸钾的制备方法，包括以下步骤：在反应器中加入硝酸和氧化镁，反应2‑3小时后，再加入氯化钾，反应1.5‑3小时，得到反应混合物；将反应混合物进行第一次降温结晶，分离得到硝酸钾粗晶体和第一母液；将第一母液进行第二次降温结晶和第三次降温结晶，分离得到硝酸钾湿晶体和第二母液；将硝酸钾湿晶体进行干燥，得到硝酸钾晶体。本发明提供的硝酸钾的制备方法以硝酸、氯化钾、菱苦土为原料，原料廉价易得，成本低；工艺流程简单，常温常压反应，不使用催化剂，不产生腐蚀性强酸，对设备腐蚀小；产品硝酸钾晶体品质好，纯度高，晶体粒径大。 【EN】The invention discloses a preparation method of potassium nitrate, which comprises the following steps: adding nitric acid and magnesium oxide into a reactor, reacting for 2-3 hours, then adding potassium chloride, and reacting for 1.5-3 hours to obtain a reaction mixture; carrying out primary cooling crystallization on the reaction mixture, and separating to obtain a potassium nitrate crude crystal and a first mother solution; carrying out secondary cooling crystallization and third cooling crystallization on the first mother liquor, and separating to obtain a potassium nitrate wet crystal and a second mother liquor; drying the potassium nitrate wet crystal to obtain potassium nitrate crystal. The preparation method of the potassium nitrate takes the nitric acid, the potassium chloride and the magnesia as raw materials, and the raw materials are cheap and easy to obtain and have low cost; the process flow is simple, the reaction is carried out at normal temperature and normal pressure, no catalyst is used, no corrosive strong acid is generated, and the corrosion to equipment is small; the product potassium nitrate has good crystal quality, high purity and large crystal grain size.

摘要：【中文】本发明公开了一种硝酸钾的生产方法，包括以下步骤：在反应器中加入硝酸和氧化镁，反应2‑3小时后，再加入氯化钾，反应1.5‑3小时，得到反应混合物；将反应混合物输送至结晶器中进行降温结晶，经离心机分离得到硝酸钾湿晶体和母液；将硝酸钾湿晶体输送至干燥机，干燥得到硝酸钾晶体。本发明提供的硝酸钾生产方法以硝酸、氯化钾、菱苦土为原料，原料廉价易得，成本低；工艺流程简单，不产生腐蚀性强酸，对设备腐蚀小。 【EN】The invention discloses a method for producing potassium nitrate, which comprises the following steps: adding nitric acid and magnesium oxide into a reactor, reacting for 2-3 hours, then adding potassium chloride, and reacting for 1.5-3 hours to obtain a reaction mixture; conveying the reaction mixture to a crystallizer for cooling crystallization, and separating by a centrifuge to obtain potassium nitrate wet crystals and mother liquor; and conveying the potassium nitrate wet crystals to a dryer, and drying to obtain potassium nitrate crystals. The potassium nitrate production method provided by the invention takes nitric acid, potassium chloride and magnesia as raw materials, and the raw materials are cheap and easy to obtain and have low cost; the process flow is simple, corrosive strong acid is not generated, and the corrosion to equipment is small.

摘要：【中文】本发明提供一种油浸式变压器在线液位监测方法，包括：S1、在变压器上安装磁翻板液位计，进行液位状态监测；S2、设定智能液位在线监测装置的身份数据，周期性获取油液数据；S3、智能液位在线监测装置通过NB‑IoT网络连接中心主站进行通讯；S4、中心主站处理分析身份数据和油液数据并传输至移动设备；一种油浸式变压器在线液位监测系统，包括：模拟单元用于对变压器油液进行油温采集；遥信单元用于对变压器油液进行液位变量采集；通信单元通过NB‑IoT网络连接中心主站,将油液数据和身份数据传输至中心主站；主控单元用于数据处理；电源用于系统供电。解决了传统的油位监测耗时耗力，且无法判定油位表计是否正常工作，以及测量不准的技术问题。 【EN】The invention provides an online liquid level monitoring method for an oil-immersed transformer, which comprises the following steps: s1, mounting a magnetic turning plate liquid level meter on the transformer for monitoring the liquid level state; s2, setting identity data of the intelligent liquid level online monitoring device, and periodically acquiring oil data; s3, the intelligent liquid level online monitoring device communicates with a central main station through an NB-IoT network; s4, the central master station processes and analyzes the identity data and the oil data and transmits the identity data and the oil data to the mobile equipment; an oil-immersed transformer online liquid level monitoring system, comprising: the simulation unit is used for collecting the oil temperature of the transformer oil; the remote signaling unit is used for carrying out liquid level variable acquisition on the transformer oil; the communication unit is connected with the central master station through an NB-IoT network and transmits oil data and identity data to the central master station; the main control unit is used for data processing; the power supply is used for supplying power to the system. The technical problems that the traditional oil level monitoring consumes time and labor, whether the oil level gauge works normally or not cannot be judged, and the measurement is inaccurate are solved.

摘要：【中文】本发明提供一种制备高强韧TC21钛合金梯度组织的方法，将TC21钛合金棒材或板材施加脉冲电流，利用电阻进行局部加热处理，通过控制脉冲电压、脉冲电流、脉冲频率等参数，实现在TC21钛合金棒状试样或者板状试样中产生温度梯度，通过控制温度梯度的宽度和保温时间，最终在室温条件下获得梯度组织结构。本发明不需要改变合金成分组成，便可产生包含原始材料组织、过渡区梯度组织和片层组织的整体结构件，实现了保留原始材料优势性能的同时，改进了材料的综合性能。该方法操作简单，设备简易，环保经济，既提高了生产效率，又降低了能源消耗，具有较大的工业推广价值。 【EN】The invention provides a method for preparing a high-strength and high-toughness TC21 titanium alloy gradient structure, which comprises the steps of applying pulse current to a TC21 titanium alloy bar or plate, performing local heating treatment by using a resistor, realizing the generation of temperature gradient in a TC21 titanium alloy bar-shaped sample or a plate-shaped sample by controlling parameters such as pulse voltage, pulse current, pulse frequency and the like, and finally obtaining the gradient structure under the room temperature condition by controlling the width and the heat preservation time of the temperature gradient. The invention can generate an integral structural member comprising an original material tissue, a transition region gradient tissue and a lamellar tissue without changing the composition of alloy components, thereby realizing the retention of the advantage performance of the original material and improving the comprehensive performance of the material. The method has the advantages of simple operation, simple equipment, environmental protection and economy, improves the production efficiency, reduces the energy consumption, and has great industrial popularization value.

摘要：【中文】本发明公开了一种制备高强Ti55531钛合金梯度组织的方法，利用脉冲电流产生的电阻热效应对Ti55531钛合金棒材或板材进行选择性的局部加热处理，同时调控脉冲电压50‑60V、脉冲电流60‑70A、脉冲频率350‑500Hz、升温和保温时间等参数，合金棒状试样或者板状试样中产生温度梯度，最终在室温条件下获得梯度组织结构。本发明在不改变合金成分的基础上，利用梯度渐变组织结构有效的改进合金的综合力学性能。该方法设备简易、操作简单且环保经济，在提高了生产效率的同时，又节约了能源，具有较大的工业应用推广价值。 【EN】The invention discloses a method for preparing a high-strength Ti55531 titanium alloy gradient structure, which is characterized in that a Ti55531 titanium alloy bar or plate is subjected to selective local heating treatment by using a resistance heat effect generated by pulse current, parameters such as pulse voltage of 50-60V, pulse current of 60-70A, pulse frequency of 350-500Hz, heating and heat preservation time and the like are regulated and controlled, a temperature gradient is generated in an alloy bar-shaped sample or a plate-shaped sample, and finally a gradient structure is obtained under the room temperature condition. The invention effectively improves the comprehensive mechanical property of the alloy by utilizing the gradient structure on the basis of not changing the components of the alloy. The method has the advantages of simple equipment, simple operation, environmental protection and economy, improves the production efficiency, saves energy, and has great industrial application and popularization values.

摘要：【中文】本发明公开了一种用于一体板的多彩涂料，由调色基础漆，连续相乳液，造粒保护胶制备而成。通过在连续相乳液中引入一种凹凸棒土作为增稠剂，凹凸棒土在含有有机硅的连续相乳液中呈取向排列。其作用在于：(1)增加了连续相乳液在烘干成膜过程中的透气性，解决了起泡的问题；(2)对多彩涂料的彩点有很好的固定作用，减少了彩点收缩变硬，很好的解决了彩点在烘干成膜过程彩点收缩变硬的问题；(3)在多彩连续相乳液中的取向排列，有效的阻止了涂料中彩点分层和厚涂施工流挂的问题。(4)其他性能方面相对现有技术产品也有较大提升。 【EN】The invention discloses a multicolor paint for an integrated plate, which is prepared from toning base paint, continuous phase emulsion and granulation protective glue. The attapulgite is oriented in the silicone-containing continuous phase emulsion by introducing an attapulgite as a thickener into the continuous phase emulsion. The function is as follows: (1) the air permeability of the continuous phase emulsion in the drying film forming process is increased, and the problem of foaming is solved; (2) the fixing function on the color points of the multicolor paint is good, the shrinkage and hardening of the color points are reduced, and the problem that the color points shrink and harden in the drying film-forming process is well solved; (3) the orientation arrangement in the colorful continuous phase emulsion effectively prevents the problems of color point layering and thick coating construction sagging in the coating. (4) Other performance aspects are also greatly improved compared with the prior art.

摘要：【中文】一种选择性激光烧结用尼龙粉末及其制备方法，其中方法包括：将碳纳米管置于酸溶液中制得酸化碳纳米管；将制得的部分酸化碳纳米管经过胺化反应制得胺化碳纳米管；将酸化碳纳米管、胺化碳纳米管、二元胺、二元酸、第一抗氧剂和水加入聚合釜中，聚合制得改性尼龙粒料；将上述尼龙粒料经深冷粉碎制得尼龙粉末；将尼龙粉末、第二抗氧剂和流动助剂混合，制得选择性激光烧结用尼龙粉末。本发明的选择性激光烧结用尼龙粉末及其制备方法通过将碳纳米管酸化和胺化得到酸化碳纳米管和胺化碳纳米管，使得聚合原料二胺和二酸能够与碳纳米管上的羧基和胺基缩聚反应，碳纳米管上的尼龙分子链很好地减少了碳纳米管之间的团聚和缠绕，即具有很好地分散性。 【EN】A nylon powder for selective laser sintering and a preparation method thereof are provided, wherein the method comprises the following steps: putting the carbon nano tube into an acid solution to prepare an acidified carbon nano tube; the prepared partially acidified carbon nano tube is subjected to amination reaction to prepare an aminated carbon nano tube; adding an acidified carbon nano tube, an aminated carbon nano tube, diamine, dibasic acid, a first antioxidant and water into a polymerization kettle, and polymerizing to obtain modified nylon granules; the nylon granules are subjected to deep cooling and crushing to obtain nylon powder; and mixing the nylon powder, the second antioxidant and the flow aid to prepare the nylon powder for selective laser sintering. According to the nylon powder for selective laser sintering and the preparation method thereof, the carbon nano tubes are acidified and aminated to obtain the acidified carbon nano tubes and the aminated carbon nano tubes, so that the polymeric raw materials of diamine and diacid can be subjected to polycondensation reaction with carboxyl and amino groups on the carbon nano tubes, and nylon molecular chains on the carbon nano tubes well reduce agglomeration and winding among the carbon nano tubes, namely, the nylon powder has good dispersibility.

摘要：【中文】多种规格热缩管双面打标识及切断装置，包括夹持机构、打标机构和切断机构，所述夹持机构用于对热缩管进行夹持固定，且所述夹持机构连接旋转机构；所述旋转机构用于带动所述夹持机构进行翻转；所述夹持机构的顶端设有所述打标机构，所述打标机构用于对夹持后的热缩管进行双面打标；所述切断机构设于所述夹持机构的侧部，且所述切断机构连接拉伸机构；所述拉伸机构用于带动热缩管移动，所述切断机构用于在热缩管打标完成后进行切断。本发明先对热缩管的进行装夹，开始正面打标，而后通过旋转机构使之旋转，进行反面打标；本发明的装置仅仅使用一个激光头，即可完成双面打标，成本低，且可对任何规格的热缩管进行打标，方便便捷。 【EN】The device for marking and cutting off the double surfaces of the heat shrinkable tubes of various specifications comprises a clamping mechanism, a marking mechanism and a cutting mechanism, wherein the clamping mechanism is used for clamping and fixing the heat shrinkable tubes and is connected with a rotating mechanism; the rotating mechanism is used for driving the clamping mechanism to turn over; the top end of the clamping mechanism is provided with the marking mechanism, and the marking mechanism is used for marking the clamped heat shrinkable tube on two sides; the cutting mechanism is arranged on the side part of the clamping mechanism and is connected with the stretching mechanism; the stretching mechanism is used for driving the heat shrinkable tube to move, and the cutting mechanism is used for cutting the heat shrinkable tube after marking of the heat shrinkable tube is finished. The method comprises the steps of clamping the heat-shrinkable tube, marking the front side of the heat-shrinkable tube, rotating the heat-shrinkable tube through a rotating mechanism, and marking the back side of the heat-shrinkable tube; the device can finish double-sided marking by only using one laser head, has low cost, can mark the heat shrinkable tube with any specification, and is convenient and fast.

摘要：【中文】本发明提供AGV驱动装置，包括：驱动单元、导向单元、减震单元。减震单元位于驱动单元上层，导向单元位于驱动单元前端。驱动单元、导向单元、减震单元组成一个完整的AGV驱动装置。驱动单元提供了顶压机构和传动机构，可有效避免AGV在不平道路行驶时驱动轮的打滑与空转，减震单元通过缓冲件实现减震缓冲效果，大大提高了AGV的稳定性。 【EN】The present invention provides an AGV driving apparatus, including: the device comprises a driving unit, a guide unit and a damping unit. The damping unit is located the drive unit upper strata, and the guide unit is located the drive unit front end. The driving unit, the guiding unit and the damping unit form a complete AGV driving device. The drive unit provides a jacking mechanism and a transmission mechanism, so that slipping and idling of a drive wheel of the AGV can be effectively avoided when the AGV runs on an uneven road, the damping unit achieves a damping and buffering effect through the buffer piece, and the stability of the AGV is greatly improved.

摘要：【中文】本发明涉及一种结直肠癌标志物及其应用，具体涉及一种结直肠癌标志物GTF2H5基因的异常表达及其检测方法和应用，所述结直肠癌标志物包括GTF2H5基因异常表达的核酸或/和蛋白质，并通过运用基因测序技术、芯片半定量检测技术、qPCR定量检测技术、蛋白印迹半定量检测技术、免疫组织化学染色技术、原位杂交技术和液体活检技术能够实现GTF2H5基因异常、核酸或/和蛋白质表达的检测，此检测的准确性较好、特异性较强、敏感性较高。 【EN】The invention relates to a colorectal cancer marker and application thereof, in particular to abnormal expression of a colorectal cancer marker GTF2H5 gene and a detection method and application thereof, wherein the colorectal cancer marker comprises nucleic acid or/and protein abnormally expressed by the GTF2H5 gene, and the detection of the gene abnormality and the nucleic acid or/and protein expression of GTF2H5 can be realized by applying a gene sequencing technology, a chip semi-quantitative detection technology, a qPCR quantitative detection technology, a western blot semi-quantitative detection technology, an immunohistochemical staining technology, an in-situ hybridization technology and a liquid biopsy technology, so that the detection has the advantages of better accuracy, stronger specificity and higher sensitivity.