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】本发明公开了一种建筑工人舒适度自动评价方法及评价系统，所述评价方法包括步骤：模拟安全员检测路径，规划安全员的检测路线；采集安全员人体热舒适度，用DI指数表示建筑工人的热舒适度；采集施工现场图像，获取工地杂物训练样本，识别施工现场杂物类别并统计数量，获得施工现场杂乱度；输入建筑工人的热舒适度及施工现场杂乱度至舒适度评价模型中，获得评价结果；所述舒适度评价模型训练步骤为：通过模糊推理对建筑工人人体热舒适度和现场杂乱度进行信息融合，根据if‑then规则进行模糊推理，建立输入量工人热舒适度，现场杂乱度与输出量工人舒适度的三者关系，得到舒适度评价模型。本发明可定量化分析工人舒适度，实现施工现场管理的智能化和精细化。 【EN】The invention discloses an automatic evaluation method and an automatic evaluation system for the comfort of construction workers, wherein the evaluation method comprises the following steps: simulating a detection path of a security guard, and planning a detection route of the security guard; collecting the thermal comfort level of a safety worker, and expressing the thermal comfort level of a construction worker by using a DI index; acquiring construction site images, acquiring a construction site sundry training sample, identifying the type and counting the quantity of sundries in a construction site, and acquiring the messiness of the construction site; inputting the thermal comfort level and construction site disorder of construction workers into a comfort level evaluation model to obtain an evaluation result; the comfort evaluation model training steps are as follows: and carrying out information fusion on the human body thermal comfort level and the field disorder degree of the construction worker through fuzzy reasoning, carrying out fuzzy reasoning according to the if-then rule, and establishing the relationship among the thermal comfort level of the input quantity worker, the field disorder degree and the output quantity worker comfort level to obtain a comfort level evaluation model. The invention can quantitatively analyze the comfort level of workers and realize the intellectualization and refinement of construction site management.

摘要：【中文】本发明公开了一种燃料电池炭载铂基催化剂的制备方法，先将炭载体加入去离子水中，超声分散形成均匀的炭浆，并转入旋转蒸发烧瓶中；然后配制铂化合物溶液或含有铂合金组分的铂化合物混合溶液，逐渐滴加到旋转蒸发烧瓶中，室温下旋转浸渍，在水浴中加热并对旋转蒸发烧瓶抽真空、旋转蒸发干燥，得到固体物料，将固体物料置于氢气气氛中程序升温还原，然后自然冷却至室温后，切换为高纯氮气吹扫以置换氢气，得到炭载铂催化剂Pt/C或PtM/C（M为Ru或Co）粉末。本发明制备过程中不使用含氯的铂或其合金组分的化合物，不添加任何保护剂或分散剂，避免了氯离子和添加剂残留污染铂晶面对催化剂电化学性能的不良影响。 【EN】The invention discloses a preparation method of a fuel cell carbon-supported platinum-based catalyst, which comprises the steps of adding a carbon carrier into deionized water, ultrasonically dispersing to form uniform carbon slurry, and transferring the uniform carbon slurry into a rotary evaporation flask; and then preparing a platinum compound solution or a platinum compound mixed solution containing a platinum alloy component, gradually dropwise adding the platinum compound mixed solution into a rotary evaporation flask, rotatably dipping at room temperature, heating in a water bath, vacuumizing the rotary evaporation flask, and performing rotary evaporation and drying to obtain a solid material, placing the solid material in a hydrogen atmosphere for programmed temperature rise reduction, naturally cooling to room temperature, and switching to high-purity nitrogen purging to replace hydrogen to obtain carbon-supported platinum catalyst Pt/C or PtM/C (M is Ru or Co) powder. In the preparation process, compounds containing chlorine platinum or alloy components thereof are not used, and any protective agent or dispersing agent is not added, so that the adverse effect of chlorine ions and additive residues on platinum crystal faces on the electrochemical performance of the catalyst is avoided.

摘要：【中文】本发明要解决的技术问题是提供一种开采深部松散层地热引发地面沉降量的预测方法。以期解决现有技术中开采深部松散层地热引发地面沉降量的预测方法耗时耗力，误差大，且不具有普遍应用价值的技术问题。本发明通过地热井钻探施工中获得地质资料和热储资料，根据产生地面沉降的机理建立模型，预测出地热资源开采后引发地面沉降的数值，为有效防治地面沉降提供理论基础和依据，为制定科学、合理的地热资源开采利用规划以及开采中如何采取回灌措施来保护地质环境服务；可广泛推广应用，可高效推动地热资源开采利用和地质环境保护等行业的技术进步，保证经济建设持续、绿色、稳定地发展。 【EN】The invention aims to provide a method for predicting ground settlement caused by exploiting deep unconsolidated formation geothermal heat. The method aims to solve the technical problems that the prediction method for exploiting the ground settlement caused by the geothermal heat of the deep unconsolidated formation in the prior art is time-consuming, labor-consuming, large in error and free of general application value. According to the method, geological data and heat storage data are obtained in geothermal well drilling construction, a model is established according to a mechanism of generating ground settlement, the numerical value of the ground settlement caused after geothermal resource exploitation is predicted, a theoretical basis and a basis are provided for effectively preventing and treating the ground settlement, and scientific and reasonable geothermal resource exploitation and utilization planning and how to take recharging measures in exploitation are formulated to protect geological environment service; the method can be widely popularized and applied, can efficiently promote the technical progress of the industries such as geothermal resource exploitation and utilization, geological environment protection and the like, and ensures the sustainable, green and stable development of economic construction.