摘要：【中文】本发明涉及一种水泥及其制备方法，其制备原料按重量份包括：熟料40‑60份、改性VAE乳液10‑15份、石灰石5‑10份、粉煤灰4‑6份、氟石膏2‑5份、发泡剂6‑10份、黑石子3‑7份、水渣20‑30份、矿粉5‑10份、助磨剂0.1‑0.5份、分散剂1‑3份、稳定剂1‑3份；其中，发泡剂为α‑烯基磺酸钠和十二烷基磺酸钠；在水泥配方中添加改性VAE乳液，得到改性后的水泥具有抗冲击能力高、防水性能好，防腐蚀能力强，弹性大的特点，大大提高了使用寿命。 【EN】The invention relates to cement and a preparation method thereof, wherein the preparation raw materials comprise, by weight, 40-60 parts of clinker, 10-15 parts of modified VAE emulsion, 5-10 parts of limestone, 4-6 parts of fly ash, 2-5 parts of fluorgypsum, 6-10 parts of foaming agent, 3-7 parts of black stone, 20-30 parts of water granulated slag, 5-10 parts of mineral powder, 0.1-0.5 part of grinding aid, 1-3 parts of dispersing agent and 1-3 parts of stabilizing agent, wherein the foaming agent is α -sodium alkenyl sulfonate and sodium dodecyl sulfonate, and the modified VAE emulsion is added into a cement formula, so that the modified cement has the characteristics of high impact resistance, good waterproof performance, strong corrosion resistance and large elasticity, and the service life is greatly prolonged.

摘要：【中文】一种从邻乙氧基苯酚反应液回收邻苯二酚的方法，其步骤包括有:将邻苯二酚与乙醇混合反应形成反应液、对反应液进行精馏除去反应液中的水与过量的乙醇以得到塔釜液、对塔釜液在搅拌下进行冷却结晶，并保温在一定时间，使得含邻苯二酚结晶混合物从塔釜液中析出、对结晶混合物进行固液分离，以得到含邻乙氧基苯酚的结晶母液及邻苯二酚粗品固体，以及对邻苯二酚粗品固体进行纯化处理以得到纯化母液及邻苯二酚成品。 【EN】A method for recovering catechol from an o-ethoxyphenol reaction liquid comprises the steps of mixing catechol and ethanol for reaction to form a reaction liquid, rectifying the reaction liquid to remove water and excessive ethanol in the reaction liquid to obtain a tower bottom liquid, cooling and crystallizing the tower bottom liquid under stirring, keeping the temperature for a certain time to separate out a catechol-containing crystallization mixture from the tower bottom liquid, carrying out solid-liquid separation on the crystallization mixture to obtain a crystallization mother liquid containing o-ethoxyphenol and a catechol crude product solid, and purifying the catechol crude product solid to obtain a purified mother liquid and a catechol finished product.

摘要：【中文】本发明公开了一种实时管控配网停电计划“五个零时差”的方法，包括下列步骤：S1、配电网计划管控数据的采集；S2、建立标准时间数据模型；S3、建立配网停电计划数据实时匹配模型；S4、构建配网停电计划“五个零时差”实时提醒模型；S5、输出配网停电计划“五个零时差”实时匹配结果。所述步骤S1中，配电网计划管控数据包括电力营销业务应用系统与PMS2.0系统中的计划停电信息、用电信息采集系统中终端的实时停送电时间以及采集用户信息等数据，然后建立标准时间数据模型，本发明强化配网停电计划执行过程中各环节作业时间的偏差控制，实现停电、送点零时差、减少经济损失以及提升工作质量与效率，具有很好的市场应用前景。 【EN】The invention discloses a method for managing and controlling five zero time differences of a distribution network power failure plan in real time, which comprises the following steps: s1, collecting power distribution network plan management and control data; s2, establishing a standard time data model; s3, establishing a real-time matching model of distribution network power failure plan data; s4, constructing a distribution network power failure plan 'five zero time difference' real-time reminding model; and S5, outputting a real-time matching result of five zero time differences of the distribution network power failure plan. In the step S1, the power distribution network plan control data includes data such as planned power failure information in the power marketing service application system and the PMS2.0 system, real-time power outage and transmission time of a terminal in the power consumption information acquisition system, and acquired user information, and then a standard time data model is established.