摘要：【中文】本发明公开了一种生产聚乳酸的方法，包括以下步骤：S1、准备10‑20kg的玉米粒，然后在20‑30℃的温度和通风的环境下，晾晒10‑20小时，S2、将S1中晾晒完成的玉米粒进行过筛，过滤掉玉米粒中的泥土和杂质，然后将过筛后的玉米粒全部放入漏网中，然后用自来水冲洗干净，S3、将S2中冲洗完成的玉米粒在通风的环境下再次晾晒30‑60min，待晾晒完成后再用鼓风机吹20‑60min，S9、往S8中的玉米粉末混合物中加入催化剂，继续加热并且搅拌，加热的温度为60‑70℃，搅拌的时间为30‑60min，然后高分子量的聚乳酸。该发明通过通过将玉米原料反复清洗，使原料的品质大大提升，从而提升最后成品的品质，通过使用脱氧剂和催化剂，提升了整体的生产效率。 【EN】The invention discloses a method for producing polylactic acid, which comprises the following steps: s1, preparing 10-20kg of corn kernels, airing for 10-20 hours at the temperature of 20-30 ℃ in a ventilated environment, S2, screening the aired corn kernels in S1, filtering out soil and impurities in the corn kernels, putting all the screened corn kernels into a screen, washing the screened corn kernels with tap water, S3, airing the corn kernels washed in S2 for 30-60 minutes in the ventilated environment again, blowing the corn kernels for 20-60 minutes after airing is completed by using an air blower, S9, adding a catalyst into the corn powder mixture in S8, continuously heating and stirring, wherein the heating temperature is 60-70 ℃, the stirring time is 30-60 minutes, and then adding high molecular weight polylactic acid. According to the invention, the corn raw material is repeatedly cleaned, so that the quality of the raw material is greatly improved, the quality of a final finished product is improved, and the overall production efficiency is improved by using the deoxidizer and the catalyst.

摘要：【中文】本发明公开了一种基于中尺度海气耦合模式的天气预报方法及系统，属于海气耦合模式的天气预报领域，要解决的技术问题为如何通过多模式大气模式替代单一大气模式，与海洋模式进行耦合进行天气预报，方法包括：基于多种中尺度大气模式构建多模式天气预报系统；获取目标区域的过往大气观测数据以及对应的最优海洋模式参数，并结合过往大气预报数据训练参数模型；以多模式预报系统对目标区域的实时大气预报数据作为测试数据，进行深度学习计算；将海洋模式预报参数与实时大气观测数据以及对应的海洋模式参数进行对比，得到最终参数模型；以优选的海洋模式参数和实时大气预报数据为输入，进行海洋模式计算，得到天气预报结果。系统用于执行上述方法。 【EN】The invention discloses a weather forecasting method and a weather forecasting system based on a mesoscale sea-air coupling mode, which belong to the field of weather forecasting of sea-air coupling modes, and solve the technical problem of how to couple with an ocean mode to forecast weather by replacing a single atmospheric mode with a multi-mode atmospheric mode, wherein the method comprises the following steps: constructing a multi-mode weather forecasting system based on multiple mesoscale atmospheric modes; acquiring past atmospheric observation data and corresponding optimal marine mode parameters of a target area, and training a parameter model by combining the past atmospheric forecast data; taking real-time atmospheric forecast data of a target area as test data by a multi-mode forecast system, and performing deep learning calculation; comparing the marine mode forecast parameters with real-time atmospheric observation data and corresponding marine mode parameters to obtain a final parameter model; and (4) carrying out marine mode calculation by taking the optimized marine mode parameters and the real-time atmospheric forecast data as input to obtain a weather forecast result. The system is used for executing the method.

摘要：【中文】本发明公开了一种D‑乳酸生产系统，涉及乳酸制备技术领域，发酵段，对乳酸杆菌进行发酵处理；压滤段，与发酵段相连接，且对发酵段产生的发酵液进行压滤处理；钙蒸发段，压滤段产生的发酵清液进行三效蒸发浓缩处理；酸解段，对钙蒸发段产生的物料通过硫酸进行酸解处理；带滤段，对酸解段产生的酸解液进行过滤处理；脱色过滤段，对带滤段产生的滤清液进行脱色处理；离子交换段，与脱色过滤段末端相连通，对脱色过滤段产生的液体进行离子交换处理；MVR蒸发段；双效蒸发段，对MVR蒸发段处理完的液体进行双效蒸发浓缩护理，并产生成品存入成品储罐。本发明提供了一套发酵及提纯效果好，制备效率高的D‑乳酸生产系统。 【EN】The invention discloses a D-lactic acid production system, relating to the technical field of lactic acid preparation, wherein a fermentation section is used for carrying out fermentation treatment on lactobacillus; the filter pressing section is connected with the fermentation section and is used for carrying out filter pressing treatment on the fermentation liquor generated by the fermentation section; performing triple effect evaporation concentration treatment on the fermentation clear liquid generated in the calcium evaporation section and the filter pressing section; an acidolysis section for acidolysis treatment of the material generated in the calcium evaporation section by sulfuric acid; the filter section is arranged, and acidolysis solution generated in the acidolysis section is filtered; a decoloration filtering section for decoloring the filtrate generated by the belt filtering section; the ion exchange section is communicated with the tail end of the decoloring filtering section and is used for carrying out ion exchange treatment on the liquid generated by the decoloring filtering section; an MVR evaporation section; and the double-effect evaporation section is used for carrying out double-effect evaporation concentration nursing on the liquid treated by the MVR evaporation section, and generating a finished product to store in a finished product storage tank. The invention provides a set of D-lactic acid production system with good fermentation and purification effects and high preparation efficiency.

摘要：【中文】本发明公开了一种超分散白炭黑及其制备方法，本发明的一种超分散白炭黑的制备方法，包括如下步骤：（1）二氧化硅前驱体制备；（2）金属‑有机配位聚合物的制备；（3）将得到的二氧化硅前驱体和金属‑有机配位聚合物分别加入水中，得到浆料，二者在喷射式反应器中充分混合后，出料经集流再进入连续式研磨机，而后经固液分离、烘干，得到超分散白炭黑。本发明使用耐400℃以上高温的金属‑有机配位聚合物，并经过喷射式反应器与二氧化硅进行高效混合，而后经过连续式研磨机进行控形和控粒，整个工艺过程实现了连续化。制得的产品在胶料中分散性优异、能够平衡“绿色轮胎”“魔鬼三角”的矛盾，此外还能适当降低配方中偶联剂的用量，降低成本。 【EN】The invention discloses a super-dispersed white carbon black and a preparation method thereof, and the preparation method of the super-dispersed white carbon black comprises the following steps: (1) preparing a silicon dioxide precursor; (2) preparing a metal-organic coordination polymer; (3) and respectively adding the obtained silicon dioxide precursor and the metal-organic coordination polymer into water to obtain slurry, fully mixing the silicon dioxide precursor and the metal-organic coordination polymer in a jet reactor, discharging, collecting flow, then feeding the mixture into a continuous grinding machine, and then carrying out solid-liquid separation and drying to obtain the ultra-dispersed white carbon black. The invention uses the metal-organic coordination polymer which can resist the high temperature of more than 400 ℃, and the metal-organic coordination polymer is efficiently mixed with the silicon dioxide by a jet reactor, and then the shape and the grain control are carried out by a continuous grinding machine, so that the whole process realizes the continuity. The prepared product has excellent dispersibility in rubber materials, can balance the contradiction of 'green tires' and 'magic triangles', and can also properly reduce the dosage of a coupling agent in a formula and reduce the cost.

摘要：【中文】本发明公开了一种超分散白炭黑及其制备方法，本发明的一种超分散白炭黑的制备方法，包括如下步骤：（1）二氧化硅前驱体制备：水玻璃和硫酸反应后，过滤、洗涤得到硅酸，制得二氧化硅前驱体；（2）金属‑有机配位聚合物的制备；（3）将步骤（1）制得的二氧化硅前驱体和步骤（2）制得的金属‑有机配位聚合物，加入水中调成浆料，进一步搅拌均匀后，在320~380℃的温度下烘干，最终制得超分散白炭黑。本发明的金属‑有机配位聚合物能够耐400℃以上的温度，用其改性白炭黑，可以使产品耐受硅酸分解所需要的高温，从而确保了改性效果。 【EN】The invention discloses a super-dispersed white carbon black and a preparation method thereof, and the preparation method of the super-dispersed white carbon black comprises the following steps: (1) preparing a silicon dioxide precursor: after the reaction of water glass and sulfuric acid, filtering and washing to obtain silicic acid, and preparing a silicon dioxide precursor; (2) preparing a metal-organic coordination polymer; (3) and (3) adding the silicon dioxide precursor prepared in the step (1) and the metal-organic coordination polymer prepared in the step (2) into water to prepare slurry, further uniformly stirring, and drying at the temperature of 320-380 ℃ to finally prepare the ultra-dispersed white carbon black. The metal-organic coordination polymer can resist the temperature of more than 400 ℃, and the white carbon black modified by the metal-organic coordination polymer can resist the high temperature required by the decomposition of silicic acid, thereby ensuring the modification effect.

摘要：【中文】本发明涉及一种用于闭门器的调节装置。该调节装置包括旨在与闭门器接合的蜗杆(1)、牢固地附接至蜗杆(1)的驱动轮(3)、连接元件以及指示器轮(6)。连接元件包括与驱动轮(3)啮合的第一轮(4)和与第一轮(4)牢固地附接的第二轮(5)。指示器轮(6)与第二轮(5)啮合。本发明还提供了一种包括这种调节装置的闭门器。 【EN】The invention relates to an adjusting device for a door closer. The adjustment device comprises a worm (1) intended to engage with the door closer, a drive wheel (3) firmly attached to the worm (1), a connecting element and an indicator wheel (6). The connecting element comprises a first wheel (4) engaging with the drive wheel (3) and a second wheel (5) firmly attached to the first wheel (4). The indicator wheel (6) is engaged with the second wheel (5). The invention also provides a door closer comprising the adjusting device.

摘要：【中文】本发明公开了一种D‑乳酸甲酯生产工艺，涉及乳酸生产技术领域，包括以下步骤：脱水：将D‑乳酸投入釜中，并将硫酸按照1:0.008比例滴加到釜中，利用负压将D‑乳酸中的水分分离出来；酯化：投入甲醇进行酯化反应10—12小时，温度控制在97—102℃之间；纯碱中和：酯化结束，降温拉入釜中，投入纯碱进行中和反应，快速分离出粗酯；减压蒸馏：降温至60‑70℃负压分头精馏出成品。本发明以乳酸和甲醇为主要原料在催化剂硫酸的存在下，通过脱水、酯化、精馏等生产过程合成乳酸甲酯。 【EN】The invention discloses a production process of D-methyl lactate, which relates to the technical field of lactic acid production and comprises the following steps: and (3) dehydrating: putting the D-lactic acid into a kettle, dropwise adding sulfuric acid into the kettle according to the proportion of 1:0.008, and separating water from the D-lactic acid by using negative pressure; esterification: adding methanol to carry out esterification reaction for 10-12 hours, and controlling the temperature between 97 ℃ and 102 ℃; sodium carbonate neutralization: after esterification, cooling and drawing into a kettle, adding sodium carbonate for neutralization reaction, and quickly separating out crude ester; and (3) reduced pressure distillation: cooling to 60-70 deg.C, negative pressure separating and rectifying to obtain the final product. The invention takes lactic acid and methanol as main raw materials, and synthesizes methyl lactate through the production processes of dehydration, esterification, rectification and the like in the presence of catalyst sulfuric acid.

摘要：【中文】本发明适用于洗脱液分离技术领域，提供了一种含茄尼醇洗脱液的分离方法，采用真空低温浓缩含有茄尼醇的洗脱液，除去部分溶剂，真空低温浓缩相比于传统的浓缩方法除去溶剂的速度更快，效率更高；通过不同细度的硅胶吸附混合液体a能够提升吸附效率以及后续的洗脱效果；通过石油醚和乙酸乙酯按照一定配比配制而成的洗脱剂b洗脱，其洗脱效率较高；用丙酮溶液溶解混合固体d，然后采用冷冻结晶析出茄尼醇的方式的分离效果更好，分离效率更高，分离出来的茄尼醇的纯度更高。 【EN】The invention is suitable for the technical field of eluent separation, and provides a separation method of an eluent containing solanesol, wherein the eluent containing solanesol is concentrated at low temperature in vacuum to remove part of solvent, and the solvent removal speed is higher and the efficiency is higher in vacuum low-temperature concentration compared with the traditional concentration method; the adsorption efficiency and the subsequent elution effect can be improved by adsorbing the mixed liquid a through silica gels with different fineness; the elution is carried out by an eluant b prepared from petroleum ether and ethyl acetate according to a certain proportion, and the elution efficiency is higher; the separation effect is better by dissolving the mixed solid d with acetone solution and then separating out the solanesol by adopting a freezing crystallization mode, the separation efficiency is higher, and the purity of the separated solanesol is higher.

摘要：【中文】一种具有红外照明的清除异物装置及清除异物的方法，包括发射端、主机、电动云台、三脚架、红外照明装置、控制平板和移动电源，该装置在任何环境下都能够获得高空输电网悬挂异物清晰的图像，保障能准确地清除高空输电网悬挂异物，具有远程操控、操作简便，移动电源小巧、节能的特点。尤其是提高了晚上或能见度很低时清除高空输电网悬挂异物效果及效率。 【EN】The device can obtain clear images of suspended foreign matters of the high-altitude power transmission network under any environment, guarantees that the suspended foreign matters of the high-altitude power transmission network can be accurately removed, and has the characteristics of remote control, simplicity and convenience in operation, small size of the mobile power supply and energy conservation. Especially, the effect and the efficiency of removing the suspended foreign matters of the high-altitude power transmission network at night or in the low visibility are improved.

摘要：【中文】本发明提供一种诊断OPC之间通讯中断的方法和系统，所述方法包括：由OPC服务器定期将数值变量发送至OPC客户端，所述OPC客户端根据接收到的数值变量更新存储的数值；若OPC客户端检测到预定时间段内所述数值未发生变化，则判断通讯中断。根据本发明提供的诊断OPC之间通讯中断的方法和系统能够及时发现OPC之间通讯中断，降低因通讯中断而产生的损失。 【EN】The invention provides a method and a system for diagnosing communication interruption between OPC, wherein the method comprises the following steps: the OPC server sends the numerical value variable to the OPC client periodically, and the OPC client updates the stored numerical value according to the received numerical value variable; and if the OPC client detects that the numerical value is not changed within the preset time period, judging that the communication is interrupted. The method and the system for diagnosing the communication interruption between the OPCs can find the communication interruption between the OPCs in time and reduce the loss caused by the communication interruption.