摘要：【中文】本发明公开了一种车辆内通信应答系统、方法、装置、车载中控及存储介质，该系统包括：车载中控、车内音频装置以及车内应答装置；车载中控分别与车内音频装置以及车内应答装置相连；车载中控用于获取网约车服务器发送的通信消息，在确定通信消息为文本形式时，将通信消息处理为音频形式后提供给车内音频装置；车内音频装置用于在车内播放音频形式的通信消息；车内应答装置用于接收司机针对通信消息反馈的应答响应，将应答响应反馈给车载中控；车载中控还用于将接收的应答响应反馈给网约车服务器。本发明实施例降低了网约车平台与司机的通信成本，实现了网约车平台一对多的消息通知，避免了司机通过聊天类APP查看并回复消息时存在的安全隐患。 【EN】The invention discloses a communication response system, a method, a device and a vehicle-mounted central control and storage medium in a vehicle, wherein the system comprises: the system comprises a vehicle-mounted central control device, an in-vehicle audio device and an in-vehicle response device; the vehicle-mounted central control is respectively connected with the in-vehicle audio device and the in-vehicle answering device; the vehicle-mounted central control is used for acquiring the communication message sent by the network car booking server, and processing the communication message into an audio form and providing the audio form to the in-vehicle audio device when determining that the communication message is in a text form; the in-vehicle audio device is used for playing the communication message in an audio form in the vehicle; the in-vehicle response device is used for receiving a response fed back by the driver aiming at the communication message and feeding back the response to the vehicle-mounted central control; the vehicle-mounted central control is also used for feeding back the received response to the network car booking server. The embodiment of the invention reduces the communication cost between the network car booking platform and the driver, realizes one-to-many message notification of the network car booking platform, and avoids potential safety hazards when the driver checks and replies the message through the chat APP.

摘要：【中文】本发明公开了一种离子注入机台中离子源头的结构，包括起弧室、反射极和纯钨小挡板，所述起弧室包括石墨端板和石墨腔主体，所述石墨端板形成有凹槽，所述石墨腔主体压装在所述纯钨小挡板和所述石墨端板上，所述石墨端板和所述纯钨小挡板的中心处均形成有通孔，所述纯钨小挡板和所述石墨端板之间设有第一绝缘挡板，所述纯钨小挡板和所述石墨腔主体靠近所述石墨端板的端部之间设有第二绝缘挡板，所述第一绝缘挡板和所述第二绝缘挡板的中心处均形成有供反射极的端子部穿过的通孔。本发明可以有效解决peeling发生时反射极与纯钨小挡板导通而导致反射极与起弧室之间导通的问题，从而延长离子源头的使用寿命以及机台的维修周期。 【EN】The invention discloses a structure of an ion source head in an ion injection machine table, which comprises an arc starting chamber, a reflecting electrode and a pure tungsten small baffle plate, wherein the arc starting chamber comprises a graphite end plate and a graphite cavity main body, a groove is formed in the graphite end plate, the graphite cavity main body is pressed on the pure tungsten small baffle plate and the graphite end plate, through holes are formed in the centers of the graphite end plate and the pure tungsten small baffle plate, a first insulating baffle plate is arranged between the pure tungsten small baffle plate and the graphite end plate, a second insulating baffle plate is arranged between the pure tungsten small baffle plate and the end part, close to the graphite end plate, of the graphite cavity main body, and through holes for the terminal part of the reflecting electrode to pass through are formed in the centers of the first insulating baffle plate and the second insulating baffle plate. The invention can effectively solve the problem that the repeller is communicated with the pure tungsten small baffle when peeling occurs, so that the repeller is communicated with the arc-starting chamber, thereby prolonging the service life of the ion source and the maintenance period of the machine.

摘要：本发明公开了基于自然循环的煅后焦料斗换热器余热回收系统，涉及换热器余热回收技术领域，包括蒸汽聚集器，蒸汽聚集器的内部设置有汽水分离装置，蒸汽聚集器的顶部设有用于输出蒸汽的主蒸汽出口；若干个煅烧焦料斗换热器并联布置于蒸汽聚集器的下方，每个煅烧焦料斗换热器分别具有进水口和汽水混合物出口，用于与高温固体煅后焦进行换热；配水管系的主管路连接蒸汽聚集器的下部出水口，并通过多根独立的配水支管分别连接至各煅烧焦料斗换热器的进水口；汽水引出管系的主管路连接蒸汽聚集器的进汽口，并通过多根独立的引出支管分别连接至各煅烧焦料斗换热器的汽水混合物出口；本发明显著提升了系统在热源波动工况下的整体换热效率与运行稳定性。

摘要：本发明涉及风沙防治领域，具体涉及一种适用于流沙地区的道路风沙防护体系及其构建方法。该体系包括阻沙栅栏组、固沙网格组以及草方格组。阻沙栅栏组包括第一阻沙栅栏组和第二阻沙栅栏组；第一阻沙栅栏组位于公路两侧沙丘的坡脚处；第二阻沙栅栏组位于公路两侧沙丘的坡顶处。固沙网格组从沙丘的迎风侧坡脚铺设至沙丘的坡顶。草方格组从沙丘的背风侧坡顶铺设至沙丘的脚铺；固沙网格组、草方格组的高度均小于阻沙栅栏组的高度。通过设置较高的阻沙栅栏组能够阻拦沙物质进入体系内，固沙网格组和草方格组设置在沙丘上，能够有效地固定沙丘的沙物质，进而能够有效地防护体系内的公路以及路基。

摘要：【中文】本发明公开一种原位反应制备镁铝尖晶石‑碳化硅复合材料的方法，包括以下步骤：1)按质量百分比称取3‑30％Mg、10‑50％Al、30‑50％酚醛树脂、30‑50％Si粉，充分研磨；2)将所得混合粉末充分搅拌均匀后，在真空或氩气气氛条件下，以5‑10℃/min的速率升温到650℃‑1000℃，烧结2h；3)将所得疏松状块体材料初步破碎后，采用乙醇作为分散剂，控制破碎后所得材料、乙醇与球质量比为1：3：8，放入球磨机中球磨1‑2h，使其充分混合；4)将球磨后所得材料放入高温炉中，于1300‑1500℃空气气氛下，烧制2‑3h，得到MgAl₂O₄/SiC复合材料。本发明首次利用金属辅助原位反应生成纳米SiC复合粉体，经低温氧化后形成MgAl₂O₄/SiC的复合材料，该材料工艺简单，制备温度低，粉体均匀性好，成本低，在耐火材料领域有较高的应用价值。 【EN】The invention discloses a method for preparing a magnesium aluminate spinel-silicon carbide composite material by an in-situ reaction, which comprises the following steps: 1) weighing 3-30% of Mg, 10-50% of Al, 30-50% of phenolic resin and 30-50% of Si powder according to mass percent, and fully grinding; 2) fully and uniformly stirring the obtained mixed powder, heating to 650-1000 ℃ at the speed of 5-10 ℃/min under the condition of vacuum or argon atmosphere, and sintering for 2 h; 3) after the obtained loose block material is primarily crushed, ethanol is used as a dispersing agent, and the mass ratio of the crushed material to the ethanol to the balls is controlled to be 1: 3: 8, placing the mixture into a ball millBall milling for 1-2h to mix them thoroughly; 4) placing the material obtained after ball milling into a high-temperature furnace, and firing for 2-3h in the atmosphere of 1300-1500 ℃ air to obtain MgAl₂O₄a/SiC composite material. The invention firstly utilizes metal to assist in-situ reaction to generate nano SiC composite powder, and MgAl is formed after low-temperature oxidation₂O₄The SiC composite material has the advantages of simple process, low preparation temperature, good powder uniformity and low cost, and has higher application value in the field of refractory materials.

摘要：【中文】本发明公开一种孔结构SiC/Al复合材料的制备工艺，包括以下步骤：1)按质量百分比1:1将酚醛树脂和硅粉充分研磨，并加入10‑40％的合金粉末混合球磨，制成混合浆料；2)将聚氨酯模板用NaOH腐蚀6h后，洗涤备用；3)将聚氨酯模板浸入混合浆料中，控制浸渍时间1‑120min，充分浸润后，放入120‑180℃烘箱中固化0.5‑2h，用混合浆料再次浸渍固化后的前驱体，120‑180℃固化0.5‑2h，重复2‑5次，得到固化密度为0.5‑2.1g/cm³的预制体；4)固化后块体放入瓷舟中，氩气保护下，在管式气氛炉中，以3‑8℃/min速率升温至800℃烧制2h，自然冷却后取出。本发明利用合金粉末辅助原位生成纳米级SiC，以聚氨酯为骨架材料，固相烧结形成SiC/Al骨架结构，具有天然的润湿性，且制备工艺简单、成本低廉、烧成温度低。 【EN】The invention discloses a preparation process of a hole structure SiC/Al composite material, which comprises the following steps: 1) fully grinding phenolic resin and silicon powder according to the mass percentage of 1:1, adding 10-40% of alloy powder, mixing and ball-milling to prepare mixed slurry; 2) corroding the polyurethane template by NaOH for 6 hours, and washing for later use; 3) soaking the polyurethane template in the mixed slurry for 1-120min, curing in a 180 ℃ oven at 120-2 h after full soaking, soaking the cured precursor again with the mixed slurry, curing at 120-180 ℃ for 0.5-2h, repeating for 2-5 times to obtain the cured precursor with the curing density of 0.5-2.1g/cm³The preform of (4); 4) and putting the solidified block into a porcelain boat, heating to 800 ℃ at the speed of 3-8 ℃/min in a tubular atmosphere furnace under the protection of argon, firing for 2h, naturally cooling and taking out. The invention utilizes alloy powder to assist in-situ generationThe nano SiC/Al composite material has the advantages of natural wettability, simple preparation process, low cost and low sintering temperature, and the nano SiC/Al composite material takes polyurethane as a framework material and is sintered in a solid phase to form a SiC/Al framework structure.

摘要：【中文】本申请实施例公开了一种功率半导体器件热点温度估计方法，计算功率半导体器件的平均功率损耗，结合该平均功率损耗，基于功率半导体器件估计的热参考点冷却水温度以及实测的热参考点冷却水温度，对热阻网络参数进行补偿；进而基于参数补偿后的热阻网络，计算功率半导体器件的平均结温以及结温波动的峰峰值，并根据计算的功率半导体器件的平均结温和结温波动的峰峰值，估计功率半导体器件的热点温度。由此保证所估计的热点温度的变化曲线为一条光滑连续、波动较小的曲线，无需逆变器在正常模式和降额控制模式之间反复切换，减少对逆变器的损耗；并且在功率半导体器件老化、冷却系统参数变化等情况下，仍能够保证所估计出的热点温度准确性较高。 【EN】The embodiment of the application discloses a method for estimating the hot spot temperature of a power semiconductor device, which comprises the steps of calculating the average power loss of the power semiconductor device, and compensating a thermal resistance network parameter based on the estimated thermal reference point cooling water temperature of the power semiconductor device and the actually measured thermal reference point cooling water temperature by combining the average power loss; and further calculating the average junction temperature of the power semiconductor device and the peak-to-peak value of junction temperature fluctuation based on the thermal resistance network after parameter compensation, and estimating the hot spot temperature of the power semiconductor device according to the calculated average junction temperature of the power semiconductor device and the peak-to-peak value of junction temperature fluctuation. Therefore, the estimated change curve of the hotspot temperature is ensured to be a smooth and continuous curve with small fluctuation, the inverter does not need to be repeatedly switched between a normal mode and a derating control mode, and the loss of the inverter is reduced; and under the conditions of power semiconductor device aging, cooling system parameter variation and the like, the estimated hotspot temperature can still be ensured to be higher in accuracy.

摘要：【中文】一锅法制备乙酸‑2，5‑二甲基苯酯和2，5‑二甲基硝基苯，包括如下操作步骤：步骤一：在单口烧瓶中加入的乙酸酐，再加入的对二甲苯，在室温下磁力搅拌；步骤二：向步骤一中单口瓶中加入硝酸盐，搅拌反应；步骤三：加入去离子水，搅拌反应，冷却至室温；步骤四：将步骤三所得的反应液倒入分液漏斗，用二氯甲烷萃取，经水洗分离再加入无水硫酸钠干燥；步骤五：将步骤四干燥后的溶液减压旋蒸至无二氯甲烷挥发出既得产品，即乙酸‑2，5‑二甲基苯酯和2，5‑二甲基硝基苯的混合物。本发明采用硝酸盐同时作为氧化剂和硝化剂，价格便宜，且本发明在得到乙酸‑2，5‑二甲基苯酯的同时还能得到2，5‑二甲基硝基苯，一步反应得到两种产物，提高了原料的利用率。 【EN】The preparation method of the acetic acid-2, 5-dimethylphenyl ester and the 2, 5-dimethylnitrobenzene by the one-pot method comprises the following operation steps: the method comprises the following steps: adding acetic anhydride and p-xylene into a single-neck flask, and magnetically stirring at room temperature; step two: adding nitrate into the single-mouth bottle in the step one, and stirring for reaction; step three: adding deionized water, stirring for reaction, and cooling to room temperature; step four: pouring the reaction liquid obtained in the step three into a separating funnel, extracting with dichloromethane, washing with water, separating, adding anhydrous sodium sulfate, and drying; step five: and (4) carrying out rotary evaporation on the solution dried in the step four under reduced pressure until no dichloromethane volatilizes to obtain a product, namely the mixture of the acetic acid-2, 5-dimethylphenyl ester and the 2, 5-dimethyl nitrobenzene. The invention adopts nitrate as oxidant and nitrating agent at the same time, the price is cheap, and the invention can obtain 2, 5-dimethyl nitrobenzene while obtaining acetic acid-2, 5-dimethyl phenyl ester, two products are obtained by one-step reaction, the utilization ratio of raw material is improved.

摘要：【中文】本发明提供了一种数据预处理通用流程方法，包括：步骤1：定义数据结构到目标数据集合；步骤2：输入选择数据集合；步骤3：映射步骤2所输入的选择数据集合中的选择数据列，到步骤1所定义的目标数据集合中的目标数据列，获得相关的映射关系；步骤4：根据步骤3所获得的映射关系，确定目标数据集合中的每个目标数据列的计算方式；步骤5：根据步骤4所确定的计算方式，对选择数据列的数据进行粒度处理，并获得粒度处理后的选择数据。通过定义数据结构和相关映射，来提高处理流程的扩张性和灵活性。 【EN】The invention provides a general flow method for data preprocessing, which comprises the following steps: step 1: defining a data structure to a target data set; step 2: inputting a selection data set; and step 3: mapping the selected data columns in the selected data set input in the step 2 to the target data columns in the target data set defined in the step 1 to obtain a related mapping relation; and 4, step 4: determining a calculation mode of each target data column in the target data set according to the mapping relation obtained in the step 3; and 5: and 4, performing granularity processing on the data of the selected data column according to the calculation mode determined in the step 4, and obtaining the selected data after the granularity processing. The extensibility and flexibility of the process flow is improved by defining data structures and associated mappings.

摘要：【中文】一种粒径均匀彩色纳米球的制备方法，包括以下步骤：取十二烷基苯磺酸钠溶解于去离子水中，加入4‑氯甲基苯乙烯和丙烯腈，搅拌均匀后再加入过二硫酸钾，通氩气15min，然后水浴加热至80℃保温10h，再升温至88℃，保温1.5h，加入胺类化合物，然后将温度调至40‑60℃，保温5‑7h；随后加入沉淀剂，依次分离、洗涤、干燥得到表面带有季胺阳离子的聚丙烯腈‑4‑氯甲基苯乙烯纳米球，然后加入碱性染料、乙醇、去离子水混合于反应器中，加热至65‑85℃，反应1‑5h，依次进行离心分离、去离子水洗涤、45℃真空干燥得到目标物。本方法制备过程简单、且制备的彩色纳米球粒径具有高度均一性。 【EN】A preparation method of color nanospheres with uniform particle size comprises the following steps: dissolving sodium dodecyl benzene sulfonate in deionized water, adding 4-chloromethyl styrene and acrylonitrile, stirring uniformly, adding potassium peroxodisulfate, introducing argon for 15min, heating in water bath to 80 ℃, keeping the temperature for 10h, heating to 88 ℃, keeping the temperature for 1.5h, adding an amine compound, adjusting the temperature to 40-60 ℃, and keeping the temperature for 5-7 h; and then adding a precipitator, sequentially separating, washing and drying to obtain polyacrylonitrile-4-chloromethyl styrene nanospheres with quaternary ammonium cations on the surface, then adding a basic dye, ethanol and deionized water, mixing in a reactor, heating to 65-85 ℃, reacting for 1-5h, sequentially performing centrifugal separation, washing with deionized water and vacuum drying at 45 ℃ to obtain the target substance. The method has simple preparation process, and the prepared color nanosphere has high uniformity in particle size.