摘要：【中文】本发明公开一种制作N型PERT双面太阳电池及其制备工艺，所述制备工艺包括：制绒步骤:对N型硅片正背双面进行制绒；离子注入步骤：对N型硅片正面离子注入硼形成PN结，对N型硅片背面离子注入磷形成N⁺N结，形成双结结构；双面同时加工步骤：对双结结构的N型硅片正背双面同时加工制备钝化减反结构；烧结步骤：对双面同时加工后的N型硅片进行共烧结处理，形成N型PERT双面太阳电池，所述钝化减反结构包括逐层叠加的SiO₂钝化膜、SiN_X减反膜以及Ag电极，通过对N型硅片双面同时逐层制备SiO₂钝化膜、SiN_X减反膜以及Ag电极，形成双面太阳电池，由于同时进行加工，制备流程短，加工效率高，满足市场需求。 【EN】The invention discloses a method for manufacturing an N-type PERT double-sided solar cell and a preparation process thereof, wherein the preparation process comprises the following steps: a texturing step, namely texturing the front and back surfaces of the N-type silicon wafer; ion implantation: implanting boron into the front surface of the N-type silicon wafer to form a PN junction, and implanting phosphorus into the back surface of the N-type silicon wafer to form N⁺N-junction to form a double-junction structure; and (3) simultaneous double-face processing: simultaneously processing the front and back surfaces of an N-type silicon wafer with a double-junction structure to prepare a passivation anti-reflection structure; sintering: co-sintering the N-type silicon wafer with two sides processed simultaneously to form the N-type PERT double-sided solar cell, wherein the passivation anti-reflection structure comprises SiO overlapped layer by layer₂Passivation film, SiN_XAnti-reflection film and Ag electrode by applying to N typeSilicon slice double-side simultaneous layer-by-layer preparation of SiO₂Passivation film, SiN_XThe antireflection film and the Ag electrode form a double-sided solar cell, and due to the fact that the double-sided solar cell is processed at the same time, the preparation process is short, the processing efficiency is high, and the market demand is met.

摘要：【中文】本发明公开了一种高含泥骨料的抗渗混凝土，按重量份数计，包括骨料1200‑1900份、水120‑180份，减水剂2‑10份，还包括粉料和预处理剂20‑36份，所述粉料包括以下组分：水泥150‑210份、粉煤灰30‑90份、矿粉30‑110份和硅灰0‑40份；所述预处理剂包括重量比为（10‑30）：（30‑60）：（20‑50）：（2‑10）的聚乙烯醇溶液、硫酸钠溶液、硅酸钠溶液和粉煤灰；所述高含泥骨料的抗渗混凝土的制备方法主要包括以下步骤：S1.骨料预处理：预处理剂浸泡骨料进行浸泡预处理，然后滤去预处理剂液体；S2.拌和粉料：向S1步骤中滤去预处理剂液体的骨料中加入减水剂、粉料和水，搅拌均匀得到成品混凝土。本发明具有提高混凝土抗渗性能、耐久性能的技术效果。 【EN】The invention discloses impervious concrete with high mud content aggregate, which comprises 1900 parts of aggregate 1200-1900 parts, 180 parts of water 120-180 parts, and 2-10 parts of water reducing agent, and also comprises 20-36 parts of powder and pretreating agent, wherein the powder comprises the following components: cement 150-210 parts, fly ash 30-90 parts, mineral powder 30-110 parts and silica fume 0-40 parts; the pretreating agent comprises the following components in parts by weight (10-30): (30-60): (20-50): (2-10) the polyvinyl alcohol solution, the sodium sulfate solution, the sodium silicate solution and the fly ash; the preparation method of the impervious concrete with high mud content mainly comprises the following steps: s1, aggregate pretreatment: soaking aggregate in the pretreating agent for pretreatment, and filtering to remove liquid of the pretreating agent; s2, powder material mixing: and (4) adding a water reducing agent, powder and water into the aggregate filtered from the pretreatment agent liquid in the step S1, and uniformly stirring to obtain the finished concrete. The invention has the technical effects of improving the impermeability and the durability of concrete.

摘要：【中文】本发明涉及太阳能电池片的制造领域，尤其是涉及的是一种改进型磷扩散炉，包括：扩散炉炉体、气源装置、尾气收集装置，所述扩散炉炉体的头部设置有炉门，所述扩散炉炉体的内部设置有炉管，所述气源装置与扩散炉炉体连通且为扩散炉炉体提供气源，所述尾气收集装置与扩散炉炉体连通，以收集扩散炉炉体内的尾气，所述气源装置以不同气体流速的多个气路为扩散炉炉体提供气源。本发明结构简单，有效地避免了三氯氧磷热分解过程中的中间产物对扩散炉的腐蚀及炉管尾的堵塞，大大延长了扩散炉的使用寿命。 【EN】The invention relates to the field of manufacturing of solar cells, in particular to an improved phosphorus diffusion furnace, which comprises: the diffusion furnace comprises a diffusion furnace body, an air source device and a tail gas collecting device, wherein the head of the diffusion furnace body is provided with a furnace door, a furnace tube is arranged inside the diffusion furnace body, the air source device is communicated with the diffusion furnace body and provides an air source for the diffusion furnace body, the tail gas collecting device is communicated with the diffusion furnace body to collect tail gas in the diffusion furnace body, and the air source device provides an air source for the diffusion furnace body by using a plurality of air paths with different gas flow rates. The invention has simple structure, effectively avoids the corrosion of the intermediate product in the thermal decomposition process of the phosphorus oxychloride to the diffusion furnace and the blockage of the furnace tube tail, and greatly prolongs the service life of the diffusion furnace.

摘要：【中文】本发明公开了一种混合二元酸二酰肼及其制备方法与应用。本发明公开的混合二元酸二酰肼，以所述混合二元酸二酰肼的质量为100％计，包含丁二酸二酰肼15‑25wt％、戊二酸二酰肼55‑65wt％、己二酸二酰肼15‑25wt％。本发明提供的混合二元酸二酰肼在PA乳液和水性漆应用中表现了优异的效果。 【EN】The invention discloses a mixed dibasic acid dihydrazide and a preparation method and application thereof. The mixed dibasic acid dihydrazide disclosed by the invention comprises 15-25 wt% of succinic dihydrazide, 55-65 wt% of glutaric dihydrazide and 15-25 wt% of adipic dihydrazide, wherein the mass of the mixed dibasic acid dihydrazide is 100%. The mixed dibasic acid dihydrazide provided by the invention has excellent effect in application of PA emulsion and water paint.

摘要：【中文】本发明提供一种铂负载催化剂及其制备方法和在合成环十二醇中的应用，所述铂负载催化剂的载体为聚酰胺‑胺超分子接枝改性的泡沫石墨烯，采用该铂负载催化剂合成环十二醇时，具有收率高、杂质低的优点。 【EN】The invention provides a platinum-supported catalyst, a preparation method thereof and application thereof in cyclododecanol synthesis.

摘要：【中文】本发明公开了一种多孔材料负载高分散纳米铜催化剂及其制备方法与应用。本发明公开的多孔材料负载高分散纳米铜催化剂包含活性主体、活性助剂和载体；其中，所述活性主体为高分散纳米铜粒子，所述载体为多孔材料。本发明提供的催化剂活性高、稳定性好，同时该催化剂的制备工艺简单，易于工业化放大生产。 【EN】The invention discloses a porous material loaded high-dispersion nano-copper catalyst, and a preparation method and application thereof. The porous material loaded high-dispersion nano-copper catalyst disclosed by the invention comprises an active main body, an active assistant and a carrier; the active main body is high-dispersion nano copper particles, and the carrier is a porous material. The catalyst provided by the invention has high activity and good stability, and meanwhile, the preparation process of the catalyst is simple and is easy for industrial large-scale production.

摘要：【中文】本发明提供了一种间苯二甲腈加氢制备间苯二甲胺催化剂的原位处理方法，包括以下步骤：1)向反应器中通入碱的醇溶液对催化剂床层进行清洗及预处理；2)切换成液氨溶液对催化剂床层进行二次清洗及处理；3)二次处理结束后切换反应原料进行加氢反应。本发明提出的原位处理方法，可大大提高间苯二甲腈加氢催化剂的使用寿命，可使装置高效、稳定运行，同时间苯二甲腈转化率>99.9％，间苯二甲胺选择性>90.0％。并且该方法步骤简单，便于工业化实现，有良好的工业化应用前景。 【EN】The invention provides an in-situ treatment method for preparing a meta-xylylenediamine catalyst by hydrogenation of m-phthalonitrile, which comprises the following steps: 1) introducing an alkaline alcoholic solution into the reactor to clean and pretreat the catalyst bed layer; 2) switching to a liquid ammonia solution to carry out secondary cleaning and treatment on the catalyst bed layer; 3) and after the secondary treatment is finished, switching reaction raw materials to carry out hydrogenation reaction. The in-situ treatment method provided by the invention can greatly prolong the service life of the isophthalonitrile hydrogenation catalyst, and can ensure that the device can operate efficiently and stably, the conversion rate of the phthalonitrile is more than 99.9% and the selectivity of the m-xylylenediamine is more than 90.0% at the same time. The method has simple steps, is convenient for industrial realization, and has good industrial application prospect.

摘要：【中文】本发明涉及一种3,3,5‑三甲基环己酮的制备方法，该方法是在氢气和加氢催化剂存在下，异佛尔酮选择加氢反应制备3,3,5‑三甲基环己酮。所述的加氢催化剂选自碱金属的碳酸盐或碱金属的碳酸氢盐改性的负载镍或负载钴。同时反应液中加入一定量的草酸铵，在加氢反应温度下缓慢分解释放氨和一氧化碳，在提高异佛尔酮转化率的同时能够抑制副产物的生成，避免TMC与副产物3,3,5‑三甲基环己醇后续分离操作，实现3,3,5‑三甲基环己酮的高选择性和高收率的连续化制备。 【EN】The invention relates to a preparation method of 3,3, 5-trimethylcyclohexanone, which is characterized in that under the existence of hydrogen and hydrogenation catalyst, isophorone is subjected to selective hydrogenation reaction to prepare the 3,3, 5-trimethylcyclohexanone. The hydrogenation catalyst is selected from supported nickel or supported cobalt modified by alkali metal carbonate or alkali metal bicarbonate. Meanwhile, a certain amount of ammonium oxalate is added into the reaction liquid, ammonia and carbon monoxide are slowly decomposed and released at the hydrogenation reaction temperature, the generation of byproducts can be inhibited while the conversion rate of isophorone is improved, the subsequent separation operation of TMC and byproducts 3,3, 5-trimethylcyclohexanol is avoided, and the continuous preparation of 3,3, 5-trimethylcyclohexanone with high selectivity and high yield is realized.

摘要：【中文】本申请公开了在液氨及溶剂存在条件下间苯二甲腈加氢制备间苯二甲胺的催化剂系统以及采用该催化剂系统制备间苯二甲胺方法。该催化剂系统包括基于Co的催化剂、基于Ni的催化剂、溶剂和用于催化剂系统的助剂，其中沿物流方向依次设置所述基于Co的催化剂和基于Ni的催化剂。采用本申请的级配顺序的催化剂相对于单一催化剂以及级配顺序不同的催化剂，可延长操作时间且提高运行稳定性。 【EN】The application discloses a catalyst system for preparing m-xylylenediamine by isophthalonitrile hydrogenation in the presence of liquid ammonia and a solvent and a method for preparing m-xylylenediamine by adopting the catalyst system. The catalyst system includes a Co-based catalyst, a Ni-based catalyst, a solvent, and an auxiliary for the catalyst system, wherein the Co-based catalyst and the Ni-based catalyst are disposed in order in a stream direction. Compared with a single catalyst and catalysts with different grading sequences, the catalyst adopting the grading sequence can prolong the operation time and improve the operation stability.

摘要：【中文】本申请涉及一种教学数据分析方法、装置、计算机设备和存储介质。所述方法包括：通过第一终端和/或至少一个第二终端获取课堂数据；所述课堂数据包括练习数据、行为数据及互动数据；分析所述课堂数据，生成教学质量分析报告。采用本方法不仅可以节省人力资源，还可以采集并记录完整的课堂数据，使得各类课堂数据可以被采集及统计，并且通过分析得到的课堂数据，可以得到客观的教学质量分析报告。 【EN】The application relates to a teaching data analysis method, a teaching data analysis device, computer equipment and a storage medium. The method comprises the following steps: obtaining classroom data through a first terminal and/or at least one second terminal; the classroom data comprises exercise data, behavior data and interaction data; and analyzing the classroom data to generate a teaching quality analysis report. By adopting the method, not only can the manpower resources be saved, but also the complete classroom data can be collected and recorded, so that various classroom data can be collected and counted, and objective teaching quality analysis reports can be obtained by analyzing the obtained classroom data.