摘要：【中文】本发明属于聚氨酯制品技术领域，具体的涉及一种快速水解聚氨酯制品及其制备方法。由A组分和B组分制成，A组分是固化剂；B组分是聚酯多元醇、聚合物多元醇、二异氰酸酯和增塑剂的混合物，其中，聚合物多元醇是聚乙二醇，官能度为2，分子量为400‑2000，羟值为28‑140mgKOH/g。本发明所述的快速水解聚氨酯制品，通过添加聚合物多元醇，在保证产品力学性能的前提下，pH＝1的酸性溶液中浸泡12h即可水解完毕无残留，效率高且水解产物无毒无害不二次污染环境，同时节省大量的打捞和后处理成本。 【EN】The invention belongs to the technical field of polyurethane products, and particularly relates to a rapid hydrolysis polyurethane product and a preparation method thereof. The curing agent is prepared from a component A and a component B, wherein the component A is a curing agent; the component B is a mixture of polyester polyol, polymer polyol, diisocyanate and a plasticizer, wherein the polymer polyol is polyethylene glycol, has the functionality of 2, the molecular weight of 400-2000 and the hydroxyl value of 28-140 mgKOH/g. According to the rapid hydrolysis polyurethane product, the polymer polyol is added, on the premise of ensuring the mechanical property of the product, the hydrolysis product can be hydrolyzed without residue after being soaked in the acidic solution with the pH value of 1 for 12 hours, the efficiency is high, the hydrolysis product is nontoxic, harmless and free of secondary pollution to the environment, and meanwhile, a large amount of salvage and post-treatment costs are saved.

摘要：【中文】一种DL‑高半胱氨酸硫内酯盐酸盐的连续生产方法，所述方法包括如下步骤：(1)以DL‑蛋氨酸为原料，与15～18mol/L硫酸连续通入液液相微通道反应器进行反应生成DL‑高胱氨酸，从液液相微通道反应器流出的含有DL‑高胱氨酸的反应液与盐酸连续通入板框式电解槽的阴极室中，以石墨电极为阴、阳极，DL‑高胱氨酸在盐酸体系中在阴极发生还原反应生成DL‑高半胱氨酸盐酸盐，含有DL‑高半胱氨酸盐酸的阴极液又连续流回液液相微通道反应器进行反应；如此连续循环反应至反应完全，收集反应完全后的阴极液；(2)将步骤(1)收集的阴极液进行除杂质处理，再经脱水缩合得到DL‑高半胱氨酸硫内酯盐酸盐。本发明方法使产品收率提高并且产品纯度高，符合国内医药标准。 【EN】A continuous process for the production of DL-homocysteine thiolactone hydrochloride comprising the steps of: (1) taking DL-methionine as a raw material, continuously introducing 15-18 mol/L sulfuric acid into a liquid-liquid phase microchannel reactor to react to generate DL-homocystine, continuously introducing a reaction liquid containing the DL-homocystine and hydrochloric acid flowing out of the liquid-liquid phase microchannel reactor into a cathode chamber of a plate-frame type electrolytic cell, taking a graphite electrode as a cathode and an anode, carrying out a reduction reaction on the DL-homocystine in a hydrochloric acid system at the cathode to generate DL-homocystine hydrochloride, and continuously returning a cathode liquid containing the DL-homocystine to the liquid-liquid phase microchannel reactor to react; continuously and circularly reacting in the way until the reaction is complete, and collecting catholyte after the reaction is complete; (2) and (2) removing impurities from the catholyte collected in the step (1), and performing dehydration condensation to obtain DL-homocysteine thiolactone hydrochloride. The method of the invention improves the product yield and the product purity, and meets the domestic medical standard.

摘要：【中文】本发明提出了一种基于区块链的产业链大数据共享与流通系统，属于基于区块链的数据共享技术领域。本发明包括数据层、网络层、共识层、激励层、应用呈现层共五个逻辑层，从而构建出基于区块链技术的产业链大数据共享与流通模型总体架构。本发明有效解决了产业内不同行业间、产业链上下游、同行业的竞争企业之间的数据孤岛、数据低质和数据泄露等问题，实现了一种数据共享安全、数据融合可靠、可信任度高、访问行为可控，清晰划分控制参与节点的产业链大数据共享与流通系统。 【EN】The invention provides a block chain-based industrial chain big data sharing and circulating system, and belongs to the technical field of block chain-based data sharing. The invention comprises five logic layers, namely a data layer, a network layer, a consensus layer, an excitation layer and an application presentation layer, thereby constructing an industrial chain big data sharing and circulation model overall architecture based on a block chain technology. The invention effectively solves the problems of data isolated island, low data quality, data leakage and the like among different industries, upstream and downstream of an industrial chain and competitive enterprises in the same industry in the industry, and realizes the industrial chain big data sharing and circulating system which has the advantages of safe data sharing, reliable data fusion, high credibility, controllable access behavior and clear division and control of participating nodes.

摘要：【中文】本发明公开了一种短文本主题确定方法，涉及深度学习中的自然语言处理和文本主题模型构建领域，包括如下步骤：对收集的短文本进行预处理；对预处理过的短文本提取特征，对预处理后的数据降维，并计算局部词项权重和全局词项权重，以及设定主题分类，计算各词项对于各主题分类的隶属度，根据隶属度确定收集的短文本的精确主题。本发明通过提出一种新的基于模糊视角的短文本主题模型生成方法，解决了短文本数据的稀疏性问题，改善了传统主题模型带来的噪声问题，使得短文本在进行主题发现、分类和聚类等文本挖掘任务上的性能得到提升。 【EN】The invention discloses a short text theme determination method, which relates to the field of natural language processing and text theme model construction in deep learning and comprises the following steps: preprocessing the collected short texts; extracting features of the preprocessed short texts, reducing dimensions of the preprocessed data, calculating local lexical item weights and global lexical item weights, setting topic classifications, calculating the membership degree of each lexical item to each topic classification, and determining the accurate topics of the collected short texts according to the membership degree. The invention provides a novel short text topic model generation method based on a fuzzy visual angle, which solves the problem of sparsity of short text data, improves the problem of noise caused by a traditional topic model, and improves the performance of short texts on text mining tasks such as topic discovery, classification and clustering.

摘要：【中文】本发明公开了一种基于联合变量图片生成的行人重识别方法，包括：S1：选择需要进行数据扩增的行人图像P1；S2：利用OpenPose对行人图像进行姿态估计得到原始姿态信息B1；S3：规定场景类别C和目标行人姿态B2；S4：建立基于联合变量的图片生成模型，将行人图像P1、原始姿态信息B1、场景类别C和目标行人姿态B2输入到预先训练好的图片生成模型中，得到目标场景及姿态下的行人图像P2；S5：将生成的图像添加到原始数据集中，进行行人重识别流程。 【EN】The invention discloses a pedestrian re-identification method based on joint variable picture generation, which comprises the following steps: s1: selecting a pedestrian image P1 needing data amplification; s2: carrying out attitude estimation on the pedestrian image by utilizing OpenPose to obtain original attitude information B1; s3: specifying a scene category C and a target pedestrian pose B2; s4: establishing a picture generation model based on joint variables, and inputting a pedestrian image P1, original posture information B1, a scene category C and a target pedestrian posture B2 into the picture generation model trained in advance to obtain a pedestrian image P2 under a target scene and posture; s5: and adding the generated image into the original data set to perform a pedestrian re-identification process.

摘要：【中文】一种铝合金端底架结构，包括边梁、枕梁、铝地板、转向架缓冲装置接口、转向架缓冲装置，铝地板与枕梁连接，侧梁安装在铝地板两侧，其特征在于：转向架缓冲装置接口包括嵌入式滑槽、支撑型材、带螺纹孔的垫板、螺栓，枕梁侧面与支撑型材焊接，焊接后二者的上表面焊接在铝地板及边梁上，嵌入式滑槽的上平面一部分与支撑型材和枕梁焊接在一起，另一部分与边梁焊接在一起，嵌入式滑槽两侧开有通长的的凹槽，带螺纹孔的垫板安装于凹槽内，嵌入式滑槽通过螺纹孔内连接的螺栓实现与转向架缓冲装置的安装连接；在边梁局部增大车辆断面，取代以往发生几何突变的铆接接头形式，对于地铁车辆而言提高了车辆刚度。 【EN】The utility model provides an aluminum alloy end underframe structure, includes boundary beam, sleeper beam, aluminium floor, bogie buffer interface, bogie buffer, and aluminium floor is connected with the sleeper beam, and its characterized in that is installed in aluminium floor both sides to the curb girder: the bogie buffer device interface comprises an embedded sliding chute, a supporting section bar, a base plate with a threaded hole and a bolt, wherein the side surface of a sleeper beam is welded with the supporting section bar, the upper surfaces of the sleeper beam and the supporting section bar are welded on an aluminum floor and a boundary beam after welding, one part of the upper plane of the embedded sliding chute is welded with the supporting section bar and the sleeper beam, the other part of the upper plane of the embedded sliding chute is welded with the boundary beam, through-long grooves are formed in two sides of the embedded sliding chute, the base plate with the threaded hole is installed in the grooves, and the embedded sliding chute is installed and connected with the bogie buffer device through; the cross section of the vehicle is locally increased on the side beam, the traditional riveting joint mode with geometrical sudden change is replaced, and the rigidity of the vehicle is improved for the metro vehicle.

摘要：【中文】本发明属于高分子材料技术领域，具体涉及一种用于铁轨防护的浇注型弹性体及其制备方法。所述的用于铁轨防护的浇注型弹性体，包括A组分和B组分，所述A组分和B组分的质量比为3‑6:1，其中，A组分由以下质量份数的原料组成：MOCA 5‑15份；聚醚多元醇A60‑85份；增塑剂9.5‑19.5份；催化剂0.1‑0.5份；B组分由以下质量份数的原料组成：聚醚多元醇B 20‑50份；异氰酸酯50‑80份。本发明A、B组分粘度小，流动性好，易于操作，能够有效的填充到铁轨与护轨之间，凝胶时间慢，可以提供充足的操作时间，粘接性能好，能够很好的粘接铁轨及护轨，且具有良好耐水解和耐老化性能，同时力学性能优异。 【EN】The invention belongs to the technical field of high polymer materials, and particularly relates to a casting type elastomer for rail protection and a preparation method thereof. The cast elastomer for rail protection comprises a component A and a component B, wherein the mass ratio of the component A to the component B is 3-6:1, and the component A comprises the following raw materials in parts by mass: 5-15 parts of MOCA; polyether polyol A60-85 parts; 9.5-19.5 parts of a plasticizer; 0.1-0.5 part of catalyst; the component B comprises the following raw materials in parts by mass: 20-50 parts of polyether polyol B; 50-80 parts of isocyanate. The A, B component has the advantages of low viscosity, good fluidity, easy operation, slow gelling time, sufficient operation time, good bonding property, good hydrolysis resistance and aging resistance and excellent mechanical property, and can be effectively filled between a rail and a guard rail.

摘要：【中文】一种水处理多孔膜膜孔堵塞程度及孔径的检测方法及系统，涉及水处理技术领域，针对水处理过程中由膜孔堵塞造成的多孔膜污染问题，通过在膜两侧的电解液中施加不同电压，检测电流变化分析多孔膜膜孔堵塞的程度。该方法操作便捷、分析快速，大幅降低设备购置成本，可用于多孔膜的制备研发及膜滤过程中膜污染测试分析。 【EN】A method and a system for detecting the blocking degree and the pore diameter of a porous membrane for water treatment relate to the technical field of water treatment, and aim at solving the problem of porous membrane pollution caused by the blocking of the membrane pores in the water treatment process, the blocking degree of the membrane pores of an electrorheological analysis porous membrane is detected by applying different voltages to electrolytes on two sides of the membrane. The method is convenient to operate and rapid to analyze, greatly reduces the equipment acquisition cost, and can be used for preparation research and development of the porous membrane and membrane pollution test analysis in the membrane filtration process.

摘要：【中文】本发明属于聚氨酯弹性体技术领域，具体涉及一种混凝土改性用双组分聚氨酯组合物及其制备方法。所述的混凝土改性用双组分聚氨酯组合物，由A组分和B组分组成；A组分由以下质量份数的原料聚合而成：5‑20份聚醚多元醇1，80‑100份异氰酸酯；B组分由以下质量份数的原料组成：40‑80份聚醚多元醇2，20‑60份降粘剂，0.5‑5份改性助剂，0.1‑0.5份催化剂；A组分和B组分的混合质量比为1:1‑4。本发明的混凝土改性用双组分聚氨酯组合物，具有粘度低、渗透性强、耐水解、操作时间可控、强度高、易施工操作的优点，对混凝土物料进行改性，提高了混凝土材料的力学与机械性能；本发明该提供其制备方法。 【EN】The invention belongs to the technical field of polyurethane elastomers, and particularly relates to a two-component polyurethane composition for concrete modification and a preparation method thereof. The two-component polyurethane composition for modifying the concrete consists of a component A and a component B; the component A is polymerized by the following raw materials in parts by mass: 5-20 parts of polyether polyol 1, 80-100 parts of isocyanate; the component B comprises the following raw materials in parts by mass: 40-80 parts of polyether polyol 2, 20-60 parts of viscosity reducer, 0.5-5 parts of modification auxiliary agent and 0.1-0.5 part of catalyst; the mixing mass ratio of the component A to the component B is 1: 1-4. The two-component polyurethane composition for modifying concrete has the advantages of low viscosity, strong permeability, hydrolysis resistance, controllable operation time, high strength and easiness in construction and operation, and can be used for modifying concrete materials and improving the mechanical property and mechanical property of the concrete materials; the invention also provides a preparation method thereof.

摘要：【中文】本发明涉及一种用于吸湿性鞋垫的聚氨酯弹性体组合物及其制备方法，属于聚氨酯弹性体技术领域。本发明所述的聚氨酯弹性体组合物，包括预聚物组分和固化剂组分，其中：预聚物组分：为以二异氰酸酯和聚醚多元醇为原料，反应得到的异氰酸根质量含量为3.0％～4.0％的预聚物；固化剂组分：为胺类化合物、催化剂和聚醚多元醇的混合物；所述聚醚多元醇为二官能度的聚乙二醇醚、二官能度的聚醚多元醇或三官能度的聚醚多元醇中的一种或多种。本发明所述的聚氨酯弹性体组合物，其不仅具有吸水膨胀效果，有良好的吸水性能，而且具有良好的柔软性、耐磨性和回弹性能；本发明同时提供了简单易行、利于工业化生产的制备方法。 【EN】The invention relates to a polyurethane elastomer composition for a moisture absorption insole and a preparation method thereof, belonging to the technical field of polyurethane elastomers. The polyurethane elastomer composition comprises a prepolymer component and a curing agent component, wherein: prepolymer component (c): diisocyanate and polyether polyol are used as raw materials, and prepolymer with the mass content of isocyanate group of 3.0-4.0% is obtained through reaction; curing agent component: is a mixture of an amine compound, a catalyst and polyether polyol; the polyether polyol is one or more of difunctional polyether glycol ether, difunctional polyether polyol or trifunctional polyether polyol. The polyurethane elastomer composition has the advantages of water absorption expansion effect, good water absorption performance, good softness, wear resistance and resilience; the invention also provides a preparation method which is simple and easy to implement and is beneficial to industrial production.