摘要：【中文】本发明公开了一种单环刺螠工厂化养殖方法，该方法步骤包括：1、所述工厂化养殖车间的选址与建设；2、单环刺螠苗种培育方法；3、单环刺螠工厂养殖方法。本发明通过人工控制养殖水质理化环境、投喂饲料和防治疾病等措施，保证底泥不被充起优化养殖环境，为单环刺螠提供最适的生长环境，合理控制育苗及养殖密度，加快了其生长速度，提高成活率30‑50％，大幅度提高了经济效益，使单环刺螠快速生长并最大限度提高品质，很好地将幼单环刺螠养殖成商品规格。 【EN】The invention discloses an industrial breeding method of urechis unicinctus, which comprises the following steps: 1. site selection and construction of the industrial aquaculture workshop; 2. a method for cultivating urechis unicinctus fries; 3. a method for culturing urechis unicinctus in a factory. According to the method, the culture environment is optimized by artificially controlling the physicochemical environment of the culture water, feeding the feed, preventing and treating diseases and other measures, the bottom mud is not filled, the optimal growth environment is provided for the urechis unicinctus, the seedling and culture density is reasonably controlled, the growth speed is accelerated, the survival rate is improved by 30-50%, the economic benefit is greatly improved, the urechis unicinctus grows rapidly, the quality is improved to the maximum extent, and the young urechis unicinctus is well cultured to the commodity specification.

摘要：【中文】改性羟基磷灰石的制备方法及其应用，涉及材料合成及改性技术领域。本发明的目的是要解决现有天然的羟基磷灰石(HAp)吸附能力差的问题。方法：用酸液调节FeCl₂溶液的pH，与Ca(NO₃)₂溶液混合，用氨水调节pH值，得到混合液A；向混合液A中加入KH₂PO₄溶液，搅拌、陈化、洗涤、抽滤、烘干和研磨，得到改性羟基磷灰石。用酸液调节FeCl₂溶液的pH，用氨水调节pH值，加入KH₂PO₄溶液，搅拌、陈化、洗涤、抽滤、烘干和研磨，得到改性羟基磷灰石。本发明可获得改性羟基磷灰石的制备方法及其应用。 【EN】A preparation method and application of modified hydroxyapatite relate to the technical field of material synthesis and modification. The invention aims to solve the problem of poor adsorption capacity of the existing natural hydroxyapatite (HAp). The method comprises the following steps: adjusting FeCl with acid solution₂pH of solution, and Ca (NO)₃)₂Mixing the solutions, and adjusting the pH value with ammonia water to obtain a mixed solution A; adding KH into the mixed solution A₂PO₄Stirring, aging, washing, filtering, drying and grinding the solution to obtain the modified hydroxyapatite. Adjusting FeCl with acid solution₂Adjusting pH of the solution with ammonia water, adding KH₂PO₄Stirring, aging, washing, filtering, drying and grinding the solution to obtain the modified hydroxyapatite. The invention discloses a preparation method and application of modified hydroxyapatite.

摘要：【中文】生物炭‑四氧化三铁‑壳聚糖复合材料的制备方法，本发明涉及生物炭‑Fe₃O₄‑壳聚糖复合材料的制备方法。本发明的目的是为了解决物理吸附水体染料污染中吸附剂的吸附性能不佳的问题，本发明方法为取生物炭放入到C₅H₈O₂中，加入Fe₃O₄连续搅拌，然后向其中分散液体石蜡与壳聚糖，搅拌，得到混合液，将混合液放置在水浴锅中加热，水浴结束后调节pH值至中性，经真空泵抽滤后，放入烘箱中烘干，本发明的生物炭和CS和Fe₃O₄复合，使它们充分发挥各自的功能并产生叠加效应，复合材料的最大吸附量达到538.9mg/g。本发明应用于水体染料污染的吸附领域。 【EN】The invention discloses a preparation method of a biochar-ferroferric oxide-chitosan composite material, and relates to biochar-Fe₃O₄A preparation method of the chitosan composite material. The invention aims to solve the problem of poor adsorption performance of an adsorbent in physical adsorption water body dye pollution₅H₈O₂In, adding Fe₃O₄Continuously stirring, dispersing liquid paraffin and chitosan in the mixture, stirring to obtain a mixed solution, placing the mixed solution in a water bath kettle for heating, adjusting the pH value to be neutral after the water bath is finished, performing suction filtration by a vacuum pump, and drying in an oven to obtain the biochar, the CS and the Fe₃O₄And compounding to make them fully exert their respective functions and produce additive effect, and the maximum adsorption quantity of the composite material can be up to 538.9 mg/g. The invention is applied to the field of adsorption of water body dye pollution.

摘要：【中文】本发明公开了一种油井分层多管式采油系统，包括游梁，所述游梁的一侧固定安装有驴头，所述驴头的内表面活动连接有悬绳，所述驴头的下方设置有悬块，本发明通过设置的采集块、过滤块和卡块的配合使用，可以将油管采油夹带出来的采集液进行处理，避免采集液四处流淌，对采油的工作造成影响，设置的扶正器和调节块的配合使用，可以解决油管在套管中出现偏磨的问题，通过将扶正器固定在油管的外表面，将扶正器通过扶正柱和固定槽固定在调节块中，提高扶正器和油管的稳定性，避免扶正器失效导致油管产生偏磨，使得油在采油过程中保持稳定的位置进行工作，解决了现有技术方案中扶正器失效导致油管发生偏磨的问题，有效提高了油管的工作效率。 【EN】The invention discloses an oil well layered multi-pipe oil extraction system, which comprises a walking beam, wherein a horse head is fixedly arranged on one side of the walking beam, a suspension rope is movably connected to the inner surface of the horse head, and a suspension block is arranged below the horse head. The working efficiency of the oil pipe is effectively improved.

摘要：【中文】本发明涉及电力系统技术领域，公开了一种基于电网特征的短路电流计算方法，包括步骤：A)选择配电网特征，将接入IIDG后流经测量点的短路电流I_{f_DG}作为样本标签；B)利用仿真软件进行电网建模及仿真，获得样本集合；C)通过机器学习集成方法建立机器学习模型，进行误差分析；D)利用已训练好的机器学习模型进行短路电流计算。本发明通过分析与短路电流相关的配电网特征，提出了配电网特征组合，并利用仿真软件进行电网建模及仿真，形成样本集，准确地进行短路电流计算，计算速度快，计算结果准确性高。 【EN】The invention relates to the technical field of power systems, and discloses a short-circuit current calculation method based on power grid characteristics, which comprises the following steps: A) selecting the characteristics of the power distribution network, and connecting the short-circuit current I flowing through the measurement point after the IIDG is connected_{f_DG}As a sample label; B) carrying out power grid modeling and simulation by using simulation software to obtain a sample set; C) establishing a machine learning model by a machine learning integration method, and performing error analysis; D) and calculating the short-circuit current by using the trained machine learning model. The invention provides a power distribution network characteristic combination by analyzing the power distribution network characteristics related to the short-circuit current and is beneficial toAnd simulation software is used for modeling and simulating the power grid to form a sample set, short-circuit current calculation is accurately performed, the calculation speed is high, and the calculation result is high in accuracy.