摘要：【中文】本发明公开了一种石墨烯改性的丙烯酸酯水泥防水涂料，属于涂料技术领域。所述防水涂料由液料和粉料混合而成，液料与粉料的质量比为1:1～1:2.5，所述液料按重量份计包括：95～100份改性丙烯酸酯乳液、0～2份减水剂、0～0.5份消泡剂，所述粉料按重量份计包括：100～140份白水泥、90～105份石英粉、70～90份碳酸钙。该水泥防水涂料通过量子点的空间位阻效应、改性石墨烯与丙烯酸乙酯的键合使得石墨烯能够均匀分散在液料中，以及乳液与水泥有着良好的相容性、石墨烯片层结构和表面憎水作用，提高了涂料的抗拉强度和防水性能，同时也具有着耐腐蚀、耐老化性，增长了涂料的使用寿命。 【EN】The invention discloses a graphene modified acrylic cement waterproof coating, and belongs to the technical field of coatings. The waterproof coating is prepared by mixing liquid materials and powder materials, the mass ratio of the liquid materials to the powder materials is 1: 1-1: 2.5, and the liquid materials comprise the following components in parts by weight: 95-100 parts of modified acrylate emulsion, 0-2 parts of water reducing agent and 0-0.5 part of defoaming agent, wherein the powder comprises the following components in parts by weight: 100-140 parts of white cement, 90-105 parts of quartz powder and 70-90 parts of calcium carbonate. The cement waterproof coating enables graphene to be uniformly dispersed in a liquid material through the steric hindrance effect of quantum dots and the bonding of the modified graphene and ethyl acrylate, and the emulsion and the cement have good compatibility, graphene lamellar structure and surface hydrophobic effect, so that the tensile strength and waterproof performance of the coating are improved, and meanwhile, the cement waterproof coating has corrosion resistance and aging resistance, and the service life of the coating is prolonged.

摘要：【中文】本发明公开一种多肽调控氧化锌制备NO₂气敏传感器的方法，属于气体传感器领域。该NO₂气体传感器以硝酸锌、醋酸锌、六亚甲基四胺、氢氧化钠、多肽为原料，通过水热合成得到氧化锌材料。随后将该材料配成悬浊液通过喷涂法均匀地喷涂在叉指电极上，形成一层气敏薄膜，从而得到NO₂气体传感器。其通过加入一定质量的多肽，用多肽调控氧化锌的微观结构、晶粒尺寸，进而改善NO₂气体传感器的气敏性能。该传感器响应快，线性度好，响应值较高。 【EN】The invention discloses a method for preparing NO by polypeptide-regulated zinc oxide₂A method of a gas sensor belongs to the field of gas sensors. The NO is₂The gas sensor takes zinc nitrate, zinc acetate, hexamethylenetetramine, sodium hydroxide and polypeptide as raw materials, and the zinc oxide material is obtained through hydrothermal synthesis. Then the material is prepared into turbid liquid and is evenly sprayed on the interdigital electrode by a spraying method to form a layer of gas-sensitive film, thereby obtaining NO₂A gas sensor. The polypeptide is added in a certain mass, and is used for regulating and controlling the microstructure and the grain size of the zinc oxide, so that NO is improved₂Gas sensing performance of the gas sensor. The sensor has the advantages of fast response, good linearity and higher response value.

摘要：【中文】本发明公开了一种抽水蓄能电站区域负荷频率控制方法和系统，包括建立考虑非线性环节的两区域再热式汽轮机组负荷频率控制模型；建立分数阶PID控制器；实现基于分数阶PID控制器的两区域再热式汽轮机组负荷频率控制；基于抽水蓄能电站的两段式工作模型，实现抽水蓄能电站发电和抽水工况下的分数阶PID负荷频率控制。本发明为抽水蓄能电站负荷频率控制方法，考虑了实际电力系统中存在的非线性因素，克服了传统线性模型的不足。其设计的分数阶PID负荷频率控制在面对大功率缺额仍可获得较好的精度、控制效果和鲁棒稳定性。本发明通过分数阶PID控制器与抽水蓄能电站负荷频率控制的有效结合，进一步提高了电网频率控制的可靠性和电力系统运行的稳定性。 【EN】The invention discloses a method and a system for controlling regional load frequency of a pumped storage power station, which comprises the steps of establishing a load frequency control model of a two-region reheat type steam turbine set considering a nonlinear link; establishing a fractional order PID controller; the load frequency control of the two-area reheating type steam turbine unit based on the fractional order PID controller is realized; based on a two-stage working model of the pumped storage power station, fractional order PID load frequency control of the pumped storage power station under the power generation and water pumping working conditions is realized. The invention discloses a load frequency control method for a pumped storage power station, which considers nonlinear factors existing in an actual power system and overcomes the defects of a traditional linear model. The designed fractional order PID load frequency control can still obtain better precision, control effect and robust stability in the face of high-power shortage. The invention further improves the reliability of the power grid frequency control and the stability of the operation of the power system by effectively combining the fractional order PID controller with the pumped storage power station load frequency control.

摘要：【中文】一种基于带时标信息采集的全网同断面数据处理方法，将同断面的数据处理分为变电站和调度主站两个方向，厂站内同断面数据处理为调度主站端形成同断面数据库提供基础。在厂站内，由采集装置的历史数据，给出采集量在正常运行下最大值与最小值计算方法，针对未超出范围的采集量，提出改进的三次B样条拟合算法对采集数据进行曲线化处理。通过选取时间截面与设定时间间隔，截取相同时间点的拟合曲线数据保存得到厂站内同断面数据，多个厂站将同同断面数据上送在调度主站得到全站的同断面信息。其可提高电网数据的准确度与同断面性，为电网形成一个全网同断面的数据链，提高数据的可利用性。 【EN】The data processing of the same section is divided into two directions of a transformer substation and a dispatching master station, and the data processing of the same section in the transformer substation provides a basis for the dispatching master station to form a database of the same section. In a station, a maximum value and minimum value calculation method of the acquisition amount under normal operation is given according to historical data of an acquisition device, and an improved cubic B-spline fitting algorithm is provided for curvilinearly processing the acquisition data aiming at the acquisition amount which does not exceed the range. And intercepting fitting curve data of the same time point by selecting a time section and setting a time interval, storing to obtain data of the same section in the plant station, and uploading the data of the same section to a dispatching master station by a plurality of plant stations to obtain information of the same section of the whole station. The method can improve the accuracy and the same section of the power grid data, form a data chain of the whole grid and the same section for the power grid, and improve the availability of the data.