摘要：【中文】本发明公开了一种化学铣削精密加工装置，包括箱体，箱体的上方安装有可拆卸顶盖箱体的下方装有可移动盖板，可移动盖板的下方装有恒温加热器，箱体的内部安装有转轴固定结构，转轴固定结构连接转轴转动结构，箱体一侧安装有储液箱，储液箱与箱体间有进液管，进液管一端连通储液箱，另一端伸入箱体中，其位于箱体中的端部安装浮球阀。本发明，结构简单、合理、加工精度高；减轻了工人的劳动强度，提高了加工精度；加工过程的自发性以及反应时间的自动控制，将人为因素对加工的影响降到了最低；解决了现有传统铣削加工加工精度不足、废品率高的问题。 【EN】The invention discloses a chemical milling precision machining device which comprises a box body, wherein a movable cover plate is arranged below the box body, a detachable top cover is arranged above the box body, a constant temperature heater is arranged below the movable cover plate, a rotating shaft fixing structure is arranged in the box body and is connected with a rotating shaft rotating structure, a liquid storage box is arranged on one side of the box body, a liquid inlet pipe is arranged between the liquid storage box and the box body, one end of the liquid inlet pipe is communicated with the liquid storage box, the other end of the liquid inlet pipe extends into the box body, and a ball float valve is arranged at the end part of the. The invention has simple and reasonable structure and high processing precision; the labor intensity of workers is reduced, and the processing precision is improved; the spontaneity of the processing process and the automatic control of the reaction time reduce the influence of human factors on the processing to the minimum; the problems of insufficient machining precision and high rejection rate of the traditional milling machining are solved.

摘要：【中文】本发明涉及细胞培养技术领域，特别涉及无血清培养基及其制备方法和间充质干细胞的培养方法。该培养基由如下成分组成：非必需氨基酸、谷氨酰胺、氢化可的松、地塞米松、聚乙烯醇、重组人胰岛素、重组人转铁蛋白、重组人表皮生长因子、重组人碱性成纤维细胞生长因子、重组人Wnt‑3a蛋白、重组人纤连蛋白、重组人层黏蛋白、L‑谷胱甘肽、L‑抗坏血酸、β‑巯基乙醇、乙醇胺、Pluronic F‑68、Tween 80、胆固醇、腺嘌呤、亚硒酸钠、基础培养基。本发明发现聚乙烯醇可替代无血清培养基中血清白蛋白的载体作用，有效提高间充质干细胞的增殖能力，其性能比血清白蛋白更稳定，可有效解决干细胞增殖与传代能力下降的问题。 【EN】The invention relates to the technical field of cell culture, in particular to a serum-free culture medium, a preparation method thereof and a culture method of mesenchymal stem cells, wherein the culture medium consists of nonessential amino acid, glutamine, hydrocortisone, dexamethasone, polyvinyl alcohol, recombinant human insulin, recombinant human transferrin, recombinant human epidermal growth factor, recombinant human basic fibroblast growth factor, recombinant human Wnt-3a protein, recombinant human fibronectin, recombinant human laminin, L-glutathione, L-ascorbic acid, β -mercaptoethanol, ethanolamine, Pluronic F-68, Tween 80, cholesterol, adenine, sodium selenite and a basal culture medium.

摘要：【中文】本发明提供一种污废水的深度脱氮系统及方法，所述深度脱氮系统包括依次流体连通的臭氧催化氧化反应器、悬浮填料生物深度脱氮反应器，所述悬浮填料生物深度脱氮反应器包括依次流体连通的硝化单元、反硝化单元和后氧化单元，所述硝化单元、反硝化单元和后氧化单元内均设有悬浮填料。本发明的污废水的深度脱氮系统及方法能够将总氮降低至3～5mg/L或更低，远高于一级A排放标准，达到或接近地面水准四类水质要求或者行业废水综合排放的总氮特别限值要求。 【EN】The invention provides a deep denitrification system and a deep denitrification method for sewage and wastewater, wherein the deep denitrification system comprises an ozone catalytic oxidation reactor and a suspended filler biological deep denitrification reactor which are sequentially in fluid communication, the suspended filler biological deep denitrification reactor comprises a nitrification unit, a denitrification unit and a post-oxidation unit which are sequentially in fluid communication, and suspended fillers are arranged in the nitrification unit, the denitrification unit and the post-oxidation unit. The deep denitrification system and method for sewage and wastewater can reduce the total nitrogen to 3-5 mg/L or lower, which is far higher than the first-level A discharge standard, and reaches or approaches the four-class water quality requirements of ground level or the total nitrogen special limit requirement of industrial wastewater comprehensive discharge.

摘要：【中文】本发明提供了一种磨削材料去除量预测方法，包括：标定声发射传感器；将所述声发射传感器固定于工件夹具上；采集所述声发射传感器接收的声发射信号，测量材料的去除深度并换算为材料去除量；通过小波变换方法以及快速傅里叶变换对采集的声发射信号进行处理；提取磨削过程中声发射信号的特征值；根据所述材料去除量与所述特征值构建材料去除量非线性回归模型，实现材料去除量的在线预测并指导后续的磨削加工过程。通过上述方案，能够预测并评估机器人砂带磨削过程每条路径的材料去除量，并减少停机时间，提高加工效率，同时降低加工成本。此外，本发明的实施方式提供了一种磨削材料去除量预测装置、设备以及存储介质。 【EN】The invention provides a method for predicting the removal amount of a grinding material, which comprises the following steps: calibrating an acoustic emission sensor; fixing the acoustic emission sensor on a workpiece clamp; collecting acoustic emission signals received by the acoustic emission sensor, measuring the removal depth of the material and converting the removal depth into the removal amount of the material; processing the collected acoustic emission signals by a wavelet transform method and fast Fourier transform; extracting a characteristic value of an acoustic emission signal in the grinding process; and constructing a material removal nonlinear regression model according to the material removal and the characteristic value, realizing the online prediction of the material removal and guiding the subsequent grinding process. Through the scheme, the material removal amount of each path in the grinding process of the robot abrasive belt can be predicted and evaluated, the downtime is reduced, the machining efficiency is improved, and the machining cost is reduced. Further, embodiments of the present invention provide a grinding material removal amount prediction device, an apparatus, and a storage medium.

摘要：【中文】本发明公开了一种航空发动机叶片机器人磨削烧伤预测方法，建立磨削烧伤预测模型；所述磨削烧伤预测模型被配置为将磨削加工参数作为输入量，将磨削烧伤特征值作为状态量，将磨削烧伤程度为输出量；将工件的磨削加工参数输入所述磨削烧伤预测模型，得到工件的磨削烧伤程度；判断所述工件的磨削烧伤程度，并根据判断结果，将所述工件的磨削加工参数与磨削烧伤临界阈值进行比较，根据比较结果调整所述工件的磨削加工参数。本发明用声发射传感器、力传感器、加速度传感器、温度传感器、电流电压传感器等多传感器组成了叶片机器人砂带磨削多传感器监控系统，能够在线实时采集声发射、力、振动等信号，实现对于复杂曲面机器人加工的全面监控。 【EN】The invention discloses a method for predicting grinding burn of an aircraft engine blade robot, which comprises the steps of establishing a grinding burn prediction model; the grinding burn prediction model is configured to take a grinding machining parameter as an input quantity, take a grinding burn characteristic value as a state quantity and take a grinding burn degree as an output quantity; inputting the grinding parameters of the workpiece into the grinding burn prediction model to obtain the grinding burn degree of the workpiece; and judging the grinding burn degree of the workpiece, comparing the grinding processing parameter of the workpiece with the grinding burn critical threshold value according to the judgment result, and adjusting the grinding processing parameter of the workpiece according to the comparison result. The invention uses a plurality of sensors such as an acoustic emission sensor, a force sensor, an acceleration sensor, a temperature sensor, a current and voltage sensor and the like to form a blade robot abrasive belt grinding multi-sensor monitoring system, can acquire signals such as acoustic emission, force, vibration and the like on line in real time, and realizes comprehensive monitoring on the machining of a robot with a complex curved surface.

摘要：【中文】本发明公开了一种叶片磨削烧伤信息融合与特征提取方法，具体包括：利用多传感器建立磨削监控系统；根据预设的不同磨削加工参数对所述叶片进行机器人磨抛加工；通过所述监控系统采集磨削烧伤多传感信息，以获得不同加工参数下的磨削烧伤多传感信息；对所述磨削烧伤多传感信息进行信息融合与特征提取；通过对比所述不同加工参数下的磨削烧伤多传感信息确定与预设标准相符合的特征值作为磨削烧伤不变性特征值。通过上述方案，能够实现对于复杂曲面机器人加工的全面监控，从而有效保证叶片机器人加工的质量。并且能够有效的提取叶片机器人砂带磨削烧伤不变性特征，避免了因加工参数改变而引起的磨削烧伤误判，进一步保证了叶片加工效率和质量。 【EN】The invention discloses a method for fusing and extracting characteristics of blade grinding burn information, which specifically comprises the following steps: establishing a grinding monitoring system by utilizing multiple sensors; performing robot grinding and polishing processing on the blade according to different preset grinding and processing parameters; collecting grinding burn multi-sensing information through the monitoring system to obtain grinding burn multi-sensing information under different processing parameters; carrying out information fusion and feature extraction on the grinding burn multi-sensing information; and determining a characteristic value which is in accordance with a preset standard as a grinding burn invariance characteristic value by comparing the grinding burn multi-sensing information under different processing parameters. Through the scheme, comprehensive monitoring on the machining of the robot with the complex curved surface can be realized, so that the machining quality of the robot with the blades is effectively guaranteed. And the abrasive belt grinding burn invariance characteristic of the blade robot can be effectively extracted, the grinding burn misjudgment caused by the change of the processing parameters is avoided, and the processing efficiency and the processing quality of the blade are further ensured.

摘要：【中文】本发明属于钻井液用添加剂领域，具体公开了一种钻井液用环保型荧光封堵剂及其制备方法。该封堵剂由以下组分制备得到，以重量份数计，所述组分包括：C1618脂肪醇35～45份、硬脂酸40～45份、聚乙二醇2～6份、对甲苯磺酸0.5～1.5份、烷基酚聚氧乙烯醚0.5～1.5份、轻质CaCO₃ 10～16份、棉纤维10～15份。本发明产品具有较低的荧光级别，并且可生物降解，有利于环境保护；产品兼有沥青类产品优良的封堵防塌性能和油层保护作用。 【EN】The invention belongs to the field of additives for drilling fluid, and particularly discloses an environment-friendly fluorescent plugging agent for drilling fluid and a preparation method thereof. The blocking agent is prepared from the following components in parts by weight: 35-45 parts of C1618 fatty alcohol, 40-45 parts of stearic acid, 2-6 parts of polyethylene glycol, 0.5-1.5 parts of p-toluenesulfonic acid, 0.5-1.5 parts of alkylphenol polyoxyethylene, and light CaCO₃10-16 parts of cotton fiber and 10-15 parts of cotton fiber. The product of the invention has lower fluorescence level, is biodegradable and is beneficial to environmental protection; the product has excellent plugging and anti-collapse performance of asphalt products and oil layer protection function.

摘要：【中文】本发明具体为一种立式带锯床锯条防卡死装置，解决了立式带锯床锯切不贯通的物料时退锯难的问题。立式带锯床锯条防卡死装置，包括立式带锯床上固定有夹紧平台，夹紧平台侧方由俩组带轮支撑有锯条，锯条在夹紧平台一侧设有锯条卡槽，锯条卡槽固定在床身上，锯条卡槽上固定有L形座，L形座短边利用螺栓固定有木块。本发明利用合理结构设计实现了退锯时对锯条的保护，防止锯条被夹死退不出来或锯条弹出卡槽从而损坏锯条的情况，既节省了拆卸锯条的时间，又可以取得显著的经济效益。 【EN】The invention particularly relates to a saw blade anti-blocking device of a vertical band sawing machine, which solves the problem that the vertical band sawing machine is difficult to retreat when sawing non-through materials. The anti-blocking device for the saw blade of the vertical band sawing machine comprises a clamping platform fixed on the vertical band sawing machine, the side of the clamping platform is supported by two groups of belt wheels to form a saw blade, a saw blade clamping groove is formed in one side of the clamping platform, the saw blade clamping groove is fixed on the machine body, an L-shaped seat is fixed on the saw blade clamping groove, and a wood block is fixed on the short edge of the L-shaped seat through a bolt. The saw blade protection device has the advantages that the reasonable structural design is utilized to protect the saw blade during the saw retreating, the situation that the saw blade cannot be clamped and retreated or the saw blade is popped out of the clamping groove to damage the saw blade is prevented, the time for disassembling the saw blade is saved, and the remarkable economic benefit can be obtained.

摘要：【中文】本发明属于钻井液添加剂领域，具体公开了油基钻井液用抗高温降滤失剂的制备方法。该降滤失剂由以下组分制备得到，以重量份数计，所述组分包括：褐煤50～60份、氢氧化钠3～9份、盐酸1～2份、双十八烷基三甲基氯化铵8～15份、十八烷基二甲基苄基溴化铵15～20份、环烷酸酰胺8～12份和自来水180～220份。在其制备过程中，增加了褐煤提纯工艺，有助于提升产品性能，所得产品具有良好的抗盐钙、抗220℃高温性能，克服了国内用沥青影响机械钻速、有毒、有污染等难点，技术指标可达国外同等水平。 【EN】The invention belongs to the field of drilling fluid additives, and particularly discloses a preparation method of a high-temperature-resistant fluid loss additive for an oil-based drilling fluid. The fluid loss agent is prepared from the following components in parts by weight: 50-60 parts of lignite, 3-9 parts of sodium hydroxide, 1-2 parts of hydrochloric acid, 8-15 parts of dioctadecyl trimethyl ammonium chloride, 15-20 parts of octadecyl dimethyl benzyl ammonium bromide, 8-12 parts of naphthenic acid amide and 180-220 parts of tap water. In the preparation process, the purification process of the lignite is added, the product performance is improved, the obtained product has good salt calcium resistance and 220 ℃ high-temperature resistance, the difficulties that the drilling speed of machinery is influenced by domestic asphalt, the machinery is toxic and polluted are overcome, and the technical index can reach the same level abroad.

摘要：【中文】本发明涉及一种不锈钢轴承座车加工工艺装备，主体为L形结构，用以支撑及定位零件，并通过沟槽结构进行减重；支撑环安装在主体内孔内，用于工件轴向定位；压板和螺栓用于压紧工件，配重块通过螺栓安装于主体上，用于平衡工装，使零件的重心在机床主轴轴线上，提升加工精度。本发明为异形偏心零件中的孔及端面提供了一种可靠、精确的定位加工夹具，可以保证零件的批量化、高精度加工。 【EN】The invention relates to a turning process device for a stainless steel bearing seat, which is characterized in that a main body is of an L-shaped structure and used for supporting and positioning parts and reducing weight through a groove structure; the support ring is arranged in the inner hole of the main body and used for axially positioning the workpiece; the pressing plate and the bolt are used for pressing a workpiece, and the balancing weight is installed on the main body through the bolt and used for balancing the tool, so that the center of gravity of the part is on the axis of the main shaft of the machine tool, and the machining precision is improved. The invention provides a reliable and accurate positioning processing clamp for the hole and the end face in the special-shaped eccentric part, and can ensure the batch and high-precision processing of the part.