摘要：【中文】本发明公开了一种铜盐催化制备N‑乙烯基酰胺类化合物的方法，所述的方法包括以下步骤：在密闭容器中在惰性气体保护下，酰胺、乙烯基烷基醚，在铜盐催化剂和有机溶剂条件下，于95～105℃下反应4～10h；反应结束后，反应液冷却至室温，经分离纯化得所述的N‑乙烯基酰胺类化合物；所述铜盐催化剂为无水硫酸铜或无水硫酸铜与8‑羟基喹啉以物质的量2～1:1的配合物；所述的酰胺、乙烯基烷基醚、铜盐催化剂物质的量比为20:100～200:2～1。本发明利用简单铜盐为催化剂，与现有方法比，催化剂廉价易得，反应无卤素引入，对环境友好，反应无需加入酸碱等添加剂，体系简单，本发明提供了一种有效的制备N‑乙烯基酰胺类化合物的方法。 【EN】The invention discloses a method for preparing N-vinyl amide compounds by copper salt catalysis, which comprises the following steps: under the protection of inert gas in a closed container, reacting amide and vinyl alkyl ether at 95-105 ℃ for 4-10 h under the conditions of a copper salt catalyst and an organic solvent; after the reaction is finished, cooling the reaction liquid to room temperature, and separating and purifying to obtain the N-vinyl amide compound; the copper salt catalyst is anhydrous copper sulfate or a complex of anhydrous copper sulfate and 8-hydroxyquinoline in a mass ratio of 2-1: 1; the mass ratio of the amide, the vinyl alkyl ether and the copper salt catalyst substance is 20: 100-200: 2-1. Compared with the prior art, the method has the advantages that simple copper salt is used as a catalyst, the catalyst is cheap and easy to obtain, the reaction is halogen-free to introduce, the method is environment-friendly, additives such as acid and alkali are not required to be added in the reaction, and the system is simple.

摘要：【中文】本发明提供一可盘卷管道，所述可盘卷管道由内至外依次包括阻隔层、增强层及防护层，所述阻隔层采用高密度聚乙烯、乙烯‑乙烯醇共聚物及增容剂混合制成；所述增强层采用纤维增强热塑性树脂带，并以螺旋缠绕的方式缠绕在所述阻隔层外形成；所述防护层采用高密度聚乙烯树脂制成，在所述阻隔层的内壁安装有用于检测管道内部压力的压力传感器，在所述防护层外设有用于检测管道气体泄漏的气体传感器。本发明能够有效阻隔油气集输介质中腐蚀气体的渗透，并实时检测管道运行压力及气体泄漏，以便操作人员确定失效部位及泄漏部位以进行维修。 【EN】The invention provides a coilable pipeline, which sequentially comprises a barrier layer, a reinforcing layer and a protective layer from inside to outside, wherein the barrier layer is prepared by mixing high-density polyethylene, ethylene-vinyl alcohol copolymer and a compatibilizer; the reinforced layer is formed by winding a fiber reinforced thermoplastic resin belt outside the barrier layer in a spiral winding manner; the inoxidizing coating adopts high density polyethylene resin to make the pressure sensor who is used for detecting pipeline internal pressure is installed to the inner wall of barrier layer be equipped with the gas sensor who is used for detecting pipeline gas leakage outside the protective layer. The invention can effectively block the penetration of corrosive gas in the oil gas gathering and transportation medium, and detect the running pressure of the pipeline and the gas leakage in real time, so that an operator can determine the failure part and the leakage part for maintenance.

摘要：【中文】本发明公开了一种双金属催化剂氧化醛合成羧酸的制备方法，所述的方法为：在常压氧气条件下，以醛类化合物为底物，在双金属催化剂的作用下，在反应溶剂中，在搅拌条件下，在10～90℃下，搅拌反应1～12h，反应转化完全后，待反应体系降温至室温，将反应液离心、过滤、干燥至恒重即得羧酸化合物；所述的醛类化合物为芳香醛、脂肪醛或脂环醛。本发明所述的方法反应条件温和，操作简单，以摩尔比为1:1的Cu(OAc)₂·H₂O和Co(OAc)₂·4H₂O作为双金属为催化剂，针对不同的不同类型的原料醛，通过调节反应温度、溶剂、催化剂用量，均能实现高产率的羧酸产物，收率最高可达98％。 【EN】The invention discloses a preparation method for synthesizing carboxylic acid by oxidizing aldehyde with a bimetallic catalyst, which comprises the following steps: under the condition of normal pressure oxygen, taking an aldehyde compound as a substrate, reacting in a reaction solvent under the action of a bimetallic catalyst and stirring at 10-90 ℃ for 1-12 h, cooling the reaction system to room temperature after the reaction is completely converted, centrifuging, filtering and drying the reaction solution to constant weight to obtain a carboxylic acid compound; the aldehyde compound is aromatic aldehyde, aliphatic aldehyde or alicyclic aldehyde. The method has mild reaction conditions and simple operation, and uses Cu (OAc) with the molar ratio of 1:1₂·H₂O and Co (OAc)₂·4H₂O is used as a bimetallic catalyst, and aiming at different types of raw material aldehyde, the carboxylic acid product with high yield can be realized by adjusting the reaction temperature, the solvent and the dosage of the catalyst, and the yield can reach 98 percent at most.

摘要：【中文】本发明公开了一种减速器啮合侧隙撞击异响的主撞击点检测方法，包括以下步骤：步骤1、加工减速器样件及重新装配：步骤2、搭建检测台架；步骤3、检查摇臂安装状态；步骤4、安装振动加速度传感器及连接测试系统：步骤5、采集振动信号：步骤6、分析撞击点；步骤7、复查撞击点。利用本方法能够对啮合侧隙进行撞击点检测，无需对减速器样件内零组件进行换装，避免了样件更换操作导致的撞击点误判。该方法能够完成多个啮合侧隙的同步检测，快速定位主要撞击点，操作简单，检测效率高。 【EN】The invention discloses a main impact point detection method for impact abnormal sound of a meshing backlash of a speed reducer, which comprises the following steps of: step 1, processing a reducer sample piece and reassembling: step 2, building a detection rack; step 3, checking the installation state of the rocker arm; step 4, mounting a vibration acceleration sensor and connecting a test system: step 5, collecting vibration signals: step 6, analyzing impact points; and 7, rechecking the impact point. The method can be used for detecting the impact point of the meshing backlash, does not need to replace components in the reducer sample piece, and avoids misjudgment of the impact point caused by sample piece replacement operation. The method can complete synchronous detection of a plurality of meshing side gaps, quickly locate the main impact point, and has the advantages of simple operation and high detection efficiency.

摘要：【中文】本发明公开了一种Web应用开发中的HACCP安全体系的构建方法，包括对Web应用的开发环境和系统架构进行分析，基于分析结果以及Web应用的用户数据和系统资源不被非法获取和篡改的要求，对危害Web应用的潜在因子进行分析，确定关键控制点；根据所确定的关键控制点，确定关键指标，并建立每个关键控制点的纠偏措施和验证程序，构建Web应用开发的HACCP安全体系。本发明构建的HACCP安全体系可以运用于真实软件开发环节，在软件的开发过程中就将软件的安全隐患消除到最低限度，具有预防性、事前性、成本低等特点，有助于软件工程领域安全软件开发标准的制定。 【EN】The invention discloses a construction method of an HACCP security system in Web application development, which comprises the steps of analyzing the development environment and the system architecture of Web application, analyzing potential factors damaging the Web application based on the analysis result and the requirement that user data and system resources of the Web application are not illegally obtained and tampered, and determining a key control point; and determining key indexes according to the determined key control points, establishing deviation rectifying measures and verification programs of each key control point, and constructing an HACCP safety system for Web application development. The HACCP safety system constructed by the invention can be applied to a real software development link, eliminates the potential safety hazard of software to the minimum in the software development process, has the characteristics of preventability, prematurity, low cost and the like, and is beneficial to the establishment of safety software development standards in the field of software engineering.

摘要：【中文】本申请涉及一种网络安全感知系统、方法和装置，该系统包括：网络安全数据采集单元、安全感知处理单元和安全预警单元；其中，网络安全数据采集单元，用于采集电力系统网络的网络安全数据；安全感知处理单元，用于将网络安全数据输入至预先构建的安全感知模型，获取输出的电力安全识别结果；安全预警单元，用于确定电力安全识别结果对应的目标电力安全识别结果区间，根据预设的电力安全识别结果区间与预警等级之间的对应关系，获取相对应的目标预警等级，并将其设为电力系统网络的目标网络安全预警等级，进行网络安全预警。本申请构建的电力系统的网络安全感知系统，通过安全感知处理单元对网络安全数据进行分析，从而提高网络安全感知的效率。 【EN】The application relates to a network security perception system, a method and a device, wherein the system comprises: the system comprises a network security data acquisition unit, a security perception processing unit and a security early warning unit; the network security data acquisition unit is used for acquiring network security data of the power system network; the safety perception processing unit is used for inputting the network safety data into a safety perception model which is constructed in advance and acquiring an output electric power safety identification result; and the safety early warning unit is used for determining a target electric power safety recognition result interval corresponding to the electric power safety recognition result, acquiring a corresponding target early warning grade according to the corresponding relation between the preset electric power safety recognition result interval and the early warning grade, setting the target early warning grade as the target network safety early warning grade of the electric power system network, and performing network safety early warning. According to the network security perception system of the power system, the network security data are analyzed through the security perception processing unit, and therefore the efficiency of network security perception is improved.

摘要：【中文】本发明公开了一种PA工程塑料用高流动黑色母，以重量百分比计，包括以下组分：聚烯烃树脂29.5‑50％；马来酸酐接枝聚烯烃5‑20％；炭黑20‑50％；苯胺黑5‑20％；纳米碳化硅5‑20％；流变剂5‑15％；硅烷偶联剂0.5‑2％。本发明还公开了该PA工程塑料用高流动黑色母的制备方法。该高黑色母能有效改善PA塑料的流动性以及色料分散性；从而改善制品表面黑度、光泽度以及耐磨性，改善增强尼龙表面“浮纤”，解决现有黑色母难以满足高填充尼龙工程塑料更高的加工性以及表面要求等问题；制备方法简单，成本低。 【EN】The invention discloses a high-fluidity black master batch for PA engineering plastics, which comprises the following components in percentage by weight: 29.5 to 50 percent of polyolefin resin; 5-20% of maleic anhydride grafted polyolefin; 20-50% of carbon black; 5-20% of aniline black; 5-20% of nano silicon carbide; 5-15% of rheological agent; 0.5 to 2 percent of silane coupling agent. The invention also discloses a preparation method of the high-fluidity black master batch for the PA engineering plastic. The high black master batch can effectively improve the fluidity and the pigment dispersibility of PA plastic; thereby improving the blackness, the glossiness and the wear resistance of the surface of the product, improving the 'floating fiber' on the surface of the reinforced nylon, and solving the problems that the existing black master is difficult to meet the higher processability and the surface requirement of the high-filling nylon engineering plastic, and the like; the preparation method is simple and low in cost.

摘要：【中文】本发明提供一种易失性与非易失性共存的忆阻器件及制备方法及备选制备方法，所述忆阻器件设置在衬底上，所述忆阻器件从上之下依次为保护层、上导电电极、中间功能层和下导电电极，所述保护层和上导电电极的形状和尺寸一一匹配，所述中间功能层和下导电电极的形状和尺寸一一匹配，所述中间功能层包括介质层和敷设在介质层上方的MXene材料膜，所述上导电电极通过掩膜板的开孔溅射在MXene材料膜的顶部，所述下导电电极的顶部、底部分别与中间功能层、衬底相接触，具有模拟生物突触的基本功能，对于低功耗系统的实现具有重要意义，制备方法简单高效、材料成本低、功耗低。 【EN】The invention provides a volatile and nonvolatile coexisting memristor device, a preparation method and an alternative preparation method, the memristor is arranged on the substrate, the memristor is sequentially provided with a protective layer, an upper conductive electrode, a middle functional layer and a lower conductive electrode from top to bottom, the shapes and the sizes of the protective layer and the upper conductive electrode are matched one by one, the shapes and the sizes of the middle functional layer and the lower conductive electrode are matched one by one, the middle functional layer comprises a dielectric layer and an MXene material film laid above the dielectric layer, the upper conductive electrode is sputtered on the top of the MXene material film through the opening of the mask plate, the top and the bottom of the lower conductive electrode are respectively contacted with the middle functional layer and the substrate, and the upper conductive electrode has the basic function of simulating biological synapse, the method has important significance for realizing a low-power-consumption system, and the preparation method is simple and efficient, and has low material cost and low power consumption.

摘要：【中文】本发明公开了一种单一转氨酶催化级联反应不对称合成L‑草铵膦的方法，该方法包括：以4‑(甲基羟基磷酰基)‑2‑羰基‑丁酸或其盐为底物，在氨基供体存在的反应体系中，利用离体的转氨酶或体外表达转氨酶的细胞催化底物，发生转氨反应，得到L‑草铵膦；所述氨基供体为L‑谷氨酸和L‑天冬氨酸；反应体系中仅添加一种转氨酶，且该转氨酶的氨基酸序列如SEQ ID NO.4所示。本发明方法采用的转氨酶ATA117‑rd11催化级联反应生产L‑草铵膦工艺既解决了现在使用单一转氨酶工艺中氨基供体用量过高的问题，又解决了现有两种转氨酶工艺中生物催化剂成本偏高、发酵工序繁琐以及反应时间偏长的技术难题。 【EN】The invention discloses a method for asymmetrically synthesizing L-glufosinate-ammonium by single transaminase catalytic cascade reaction, which comprises the following steps: 4- (methyl hydroxyl phosphoryl) -2-carbonyl-butyric acid or salt thereof is taken as a substrate, and in a reaction system with an amino donor, the substrate is catalyzed by using in vitro transaminase or cells expressing the transaminase in vitro to carry out a transamination reaction to obtain L-glufosinate-ammonium; the amino donor is L-glutamic acid and L-aspartic acid; only one transaminase is added into the reaction system, and the amino acid sequence of the transaminase is shown in SEQ ID No. 4. The process for producing L-glufosinate-ammonium by transaminase ATA117-rd11 catalytic cascade reaction solves the problem that the dosage of an amino donor is too high in the existing single transaminase process, and also solves the technical problems that the cost of a biocatalyst is higher, the fermentation process is complicated and the reaction time is longer in the existing two transaminase processes.

摘要：【中文】本发明涉及一种D‑阿洛酮糖3‑差向异构酶突变体，及其在微生物催化D‑果糖异构化制备D‑阿洛酮糖中的应用。所述D‑阿洛酮糖3‑差向异构酶突变体，由所示氨基酸经定点突变而得，所述点突变位点为下列中的一个或多个：(1)第242位、(2)第105位、(3)第210位、(4)第147位、(5)第184位。本发明有益效果主要体现在：本发明提供了一种全新的D‑阿洛酮糖3‑差向异构酶及其突变体，该突变体具有高最适反应温度85℃，解决了现有酶无法在高温生产D‑psicose的技术难题。使用本突变体生产D‑psicose，产物得率最高可达40.1％，优于原始酶和其他突变酶的转化效果，具有较好工业应用前景。 【EN】The invention relates to a D-psicose3-epimerase mutant and application thereof in preparing D-psicose by catalyzing D-fructose isomerization by microorganisms. The D-psicose3-epimerase mutant is obtained by site-directed mutagenesis of the amino acids shown, wherein the site of: (1) 242 th bit, (2) 105 th bit, (3) 210 th bit, (4) 147 th bit, and (5) 184 th bit. The invention has the following beneficial effects: the invention provides a brand-new D-psicose3-epimerase and a mutant thereof, wherein the mutant has a high optimal reaction temperature of 85 ℃, and solves the technical problem that the existing enzyme cannot produce D-psicose at high temperature. The mutant is used for producing D-psicose, the yield of the product can reach 40.1 percent at most, the conversion effect of the D-psicose is better than that of the original enzyme and other mutant enzymes, and the D-psicose has better industrial application prospect.