摘要：【中文】本发明公开了一种石墨烯改性FeCo吸收剂的制备方法，包括如下步骤：分别称取质量分数为99.92%~99.88%的未改性FeCo合金粉末和质量分数为0.08%~0.12%的石墨烯粉体混合均匀，得到混合物；将混合物加入到分散剂中，然后进行超声分散；将分散后的混合物置于蒸发仪中蒸发至胶体状态；对胶体状态混合物进行球磨，对球磨后的混合物洗涤，将洗涤后的混合物加入到分散剂中进行分散，之后将混合物中的分散剂蒸发掉；最后对蒸发处理后的混合物进行烘干处理，即得到改性的FeCo吸收剂。本发明通过掺杂石墨烯粉体对FeCo吸收剂进行改性，不仅提高了吸收剂的介电损耗，还能改善其在低频范围内的吸波性能，提高吸收剂的阻抗匹配，有效降低目标物体的低频波段特征信号。 【EN】The invention discloses a preparation method of a graphene modified FeCo absorbent, which comprises the following steps: respectively weighing and uniformly mixing unmodified FeCo alloy powder with the mass fraction of 99.92-99.88% and graphene powder with the mass fraction of 0.08-0.12% to obtain a mixture; adding the mixture into a dispersing agent, and then carrying out ultrasonic dispersion; putting the dispersed mixture into an evaporator to evaporate to a colloid state; ball-milling the mixture in the colloid state, washing the mixture after ball-milling, adding the washed mixture into a dispersing agent for dispersing, and then evaporating the dispersing agent in the mixture; and finally, drying the mixture subjected to the evaporation treatment to obtain the modified FeCo absorbent. According to the invention, the FeCo absorbent is modified by doping the graphene powder, so that the dielectric loss of the absorbent is improved, the wave absorbing performance of the absorbent in a low-frequency range is improved, the impedance matching of the absorbent is improved, and the low-frequency wave band characteristic signal of a target object is effectively reduced.

摘要：【中文】本发明公开一种直流磁控溅射制备耐腐蚀纯钛薄膜的方法，包括基底表面处理、基底放置镀膜腔室、反向沉积清理基底表面、溅射镀膜以及取出镀膜基底制得成品等步骤，可针对阀门、反应釜等产品，采用合理的表面处理、工装固定及溅射镀膜工艺，在其表面上负载纯钛薄膜，使其满足质量和耐腐蚀要求，且工艺流程简单、效率高，过程可控，无环境污染，易于实现工业化生产。 【EN】The invention discloses a method for preparing a corrosion-resistant pure titanium film by direct-current magnetron sputtering, which comprises the steps of substrate surface treatment, substrate placing of a coating chamber, reverse deposition cleaning of the substrate surface, sputtering coating, taking out of the coated substrate to prepare a finished product and the like.

摘要：【中文】本发明提供一种深海金属构筑物防护效果监测装置及预警方法，利用分布式探头，每隔一段时间测量深海构筑物表面多点的电位，也可对构筑物保护系统的保护电流进行监测，测量间隔内设休眠。电位数据测试结果表明构筑物处于保护状态时，装置将继续休眠，直到下一次测量。电位数据测量显示深海构筑物处于欠保护状态时，装置的控制电路将启动数据传输功能，将测试数据通过数据电缆传输到数据浮标内，并按照顺序启动浮标内的释放结构和数据远程传输程序，将载有测试数据的浮标与装置脱离，浮标在自身浮力的作用下浮到水面，数据浮标在释放后按照一定的时间间隔通过传输天线不断向实验室发送数据，实验室可根据获得的数据，分析深海构筑物的整体保护情况。 【EN】The invention provides a device and an early warning method for monitoring the protection effect of a deep sea metal structure. And when the potential data test result shows that the structure is in a protection state, the device continues to sleep until the next measurement. When the electric potential data measurement shows that the deep sea structure is in an under-protection state, a control circuit of the device starts a data transmission function, test data are transmitted into the data buoy through a data cable, a release structure and a data remote transmission program in the buoy are sequentially started, the buoy carrying the test data is separated from the device, the buoy floats to the water surface under the action of self buoyancy, the data buoy continuously transmits the data to a laboratory through a transmission antenna at certain time intervals after being released, and the laboratory can analyze the overall protection condition of the deep sea structure according to the obtained data.

摘要：【中文】一种涂层修复用的防腐防污一体化涂料及其制备方法，涂料由单独分装，且使用时混合的防腐组分和防污组分组成，所述的防腐组分包括环氧树脂、改性环氧树脂、双官能团活性稀释剂、气相二氧化硅、防锈颜填料、溶剂和使用时外加的胺类固化剂；所述的防污组分包括端羟基有机硅树脂、苯基甲基硅油、防污助剂、溶剂和使用时外加的硅烷交联剂；防腐组分和防污组分的质量比为3:1—1:3。该防腐防污涂料的一次成膜厚度可达600μm以上，耐盐水浸泡40℃、90天，防污期效1年以上。可用于大型船舶、渔船等船体水线以下涂层破损部位，快速维修，实现一次涂装具备防腐防污功能，减少施工道数，降低维修费用。 【EN】An anticorrosion and antifouling integrated coating for coating restoration and a preparation method thereof, wherein the coating is composed of an anticorrosion component and an antifouling component which are separately packaged and mixed in use, and the anticorrosion component comprises epoxy resin, modified epoxy resin, a bifunctional reactive diluent, fumed silica, an antirust pigment and filler, a solvent and an amine curing agent which is added in use; the antifouling component comprises hydroxyl-terminated organic silicon resin, phenyl methyl silicone oil, an antifouling auxiliary agent, a solvent and a silane cross-linking agent added during use; the mass ratio of the anticorrosive component to the antifouling component is 3: 1-1: 3. The one-time film forming thickness of the anticorrosive antifouling paint can reach more than 600 mu m, the salt water soaking resistance is 40 ℃, the antifouling period is more than 1 year, and the antifouling effect is 90 days. The coating can be used for coating damaged parts below a waterline of a ship body such as a large ship, a fishing boat and the like, can be maintained quickly, realizes the function of corrosion resistance and pollution resistance by one-time coating, reduces the number of construction channels and reduces the maintenance cost.

摘要：【中文】本发明公开了一种耐低温耐盐雾橡胶密封材料及其制备方法，属于橡胶密封材料技术领域，该密封材料包括如下按质量份数计的组分：橡胶基体100份、氧化锌3～5份、硬脂酸0.5～3份、蒙脱土10～40份、炭黑5～50份、防老剂0.5～3份、增塑剂5～20份、促进剂1.5～3份、硫化剂及其助剂0～10份。将所述原料通过开炼机塑炼工艺、密炼机混炼工艺、开炼机混炼工艺及硫化工艺制备出橡胶密封材料，该橡胶密封材料具有耐低温和耐盐雾的性能，能够满足极地船舶上的甲板机械密封、低温管路系统耐油密封的要求。 【EN】The invention discloses a low-temperature-resistant and salt-fog-resistant rubber sealing material and a preparation method thereof, belonging to the technical field of rubber sealing materials, wherein the sealing material comprises the following components in parts by mass: 100 parts of rubber matrix, 3-5 parts of zinc oxide, 0.5-3 parts of stearic acid, 10-40 parts of montmorillonite, 5-50 parts of carbon black, 0.5-3 parts of anti-aging agent, 5-20 parts of plasticizer, 1.5-3 parts of accelerator and 0-10 parts of vulcanizing agent and auxiliary agent thereof. The rubber sealing material is prepared from the raw materials through an open mill plastication process, an internal mixer mixing process, an open mill mixing process and a vulcanization process, has low temperature resistance and salt mist resistance, and can meet the requirements of deck mechanical sealing on polar ships and oil-resistant sealing of low-temperature pipeline systems.

摘要：【中文】本发明公开了热管换热器中热管用堵头、换热器中热管的真空密封方法，堵头用于对管道本体的一端进行密封，堵头包括堵头本体、排气通道以及与堵头本体下部固定的底板，底板上表面和凹槽顶壁之间留有间隙，底板上设有连通管道本体与间隙的排气孔，热管内的气体能够沿排气孔依次经过间隙和排气通道排至热管外部。换热器中热管的真空密封方法，其是利用封头和堵头分别对管道本体的两端进行焊接密封，对热管进行抽真空后，再对排气通道进行真空电子束焊接即得到密封的热管。利用真空电子束焊接技术与传统焊接相结合解决了热管用高强、低韧材料无法实现真空密封的难题，只需一次电子束焊接，即可实现热管内的真空状态密封，达到了较好的使用效果。 【EN】The invention discloses a plug for a heat pipe in a heat pipe exchanger and a vacuum sealing method for the heat pipe in the heat pipe exchanger. A vacuum sealing method for heat pipe in heat exchanger features that the sealing head and plug are respectively used to weld and seal two ends of pipeline, and after the heat pipe is vacuumized, the vacuum electron beam welding is performed to exhaust channel to obtain sealed heat pipe. The vacuum electron beam welding technology is combined with the traditional welding technology, the problem that the high-strength and low-toughness material for the heat pipe cannot realize vacuum sealing is solved, the vacuum state sealing in the heat pipe can be realized only by one-time electron beam welding, and a better using effect is achieved.

摘要：【中文】本发明涉及一种浮标底板与舢板焊接相控阵超声检测方法，在相控阵超声角度增益补偿ACG和时间增益补偿TCG的基础上，利用焊缝中的人工横孔设置灵敏度，通过声束覆盖模拟确定最佳扫查方式，采用垂直入射扇扫描和斜入射扇扫描两种方式实施检测，缺陷显示直观，定量与定位准确，解决了底板与舢板角接焊缝内部缺陷检测的关键技术问题，检测灵敏度不低于φ1×10mm‑10dB。 【EN】The invention relates to a phased array ultrasonic detection method for welding a buoy base plate and a sampan, which is characterized in that on the basis of phased array ultrasonic angle gain compensation ACG and time gain compensation TCG, sensitivity is set by using an artificial transverse hole in a welding line, an optimal scanning mode is determined through sound beam covering simulation, detection is implemented by adopting two modes of vertical incidence fan scanning and oblique incidence fan scanning, defect display is visual, quantification and positioning are accurate, the key technical problem of defect detection in an angle joint welding line of the base plate and the sampan is solved, and detection sensitivity is not lower than phi 1 multiplied by 10mm-10 dB.

摘要：【中文】本发明提供了一种超低温等温型温度场，其特征在于：该温度场包括对称设置在试样两侧用于提供超低温的保温槽，保温槽开口的一侧与试样相对设置，所述保温槽包括槽体及设置在槽体外部的储氮罐，该槽体内从上到下等间隔设置有n个隔板，n个所述隔板将槽体在竖直方向上分成n+1个相互独立的保温仓，每一个保温仓内均对应设置有通气管，每一个通气管上均匀的开设有通气孔，每一个通气管均通过相对应的输液管与储氮罐相连通，本发明的保温槽能提供较稳定的温度场，能够实现大规格试样不同位置处的同步降温。 【EN】The invention provides an ultralow temperature isothermal temperature field, which is characterized in that: the temperature field comprises heat preservation grooves symmetrically arranged on two sides of a sample and used for providing ultralow temperature, one side of an opening of each heat preservation groove is opposite to the sample, each heat preservation groove comprises a groove body and a nitrogen storage tank arranged outside the groove body, n partition plates are arranged in the groove body at equal intervals from top to bottom, the groove body is divided into n +1 heat preservation bins which are mutually independent in the vertical direction by the n partition plates, each heat preservation bin is internally and correspondingly provided with a vent pipe, each vent pipe is uniformly provided with vent holes, and each vent pipe is communicated with the nitrogen storage tank through a corresponding infusion pipe.

摘要：【中文】银氧化锡电接触材料用微米复合二氧化锡粉末的制备方法，将主成分为金属Sn且含有掺杂金属的合金熔融后在高温电弧等离子体发生器的作用下气雾化，并在空气中氧化冷却后制成掺杂的纳米级SnO₂粉末；将纳米级SnO₂粉末置入容器中，升温热处理使纳米级氧化锡粉末颗粒聚集结合；送入气流粉碎分级设备中，使粉末颗粒在压力气流带动下相互碰撞摩擦而粉碎，并经分级后收集，得到掺杂的微米复合SnO₂粉末。通过高温等离子气化进行与金属Sn原子进行微观掺杂，微观成分均匀性高。通过热处理使纳米颗粒聚集后经气流粉碎分级转化为单分散、粒度均匀性高的微米复合SnO₂粉末，助力电工合金领域进一步提高Ag/SnO₂触头材料的综合性能，为替代具有镉毒污染的Ag/CdO触头材料奠定基础。 【EN】A process for preparing micron-class composite tin dioxide powder used as the electric contact material of Ag-tin oxide includes such steps as smelting the alloy containing Sn as main component and doped metal, atomizing in air under the action of high-temp arc plasma generator, oxidizing in air, and cooling to obtain doped nano-class SnO₂Powder; nano-scale SnO₂Putting the powder into a container, and heating to combine the nano tin oxide powder particles; feeding the powder particles into airflow crushing and grading equipment, crushing the powder particles by mutual collision and friction under the drive of pressure airflow, and collecting the powder particles after grading to obtain the doped micron composite SnO₂And (3) powder. And the metal Sn atoms are subjected to micro doping through high-temperature plasma gasification, so that the uniformity of the micro components is high. The nano particles are aggregated by heat treatment and then are subjected to jet milling and classificationIs micron composite SnO with monodispersity and high uniformity of granularity₂Further improving Ag/SnO in the field of powder and power-assisted electrical alloy₂The comprehensive performance of the contact material lays a foundation for replacing Ag/CdO contact material with cadmium toxic pollution.

摘要：【中文】本发明提供一种铜合金表面长效防腐涂层及其制备方法，该长效防腐涂层包括基体及基体表面的防腐涂层，所述防腐涂层由沉积在基体表面的Cu预氧化涂层，及填充于Cu预氧化涂层内部及表面的油酸层，所述防腐涂层的制备方法包括：1）铜电极试样的制备；2）铜电极试样的表面预处理；3）在铜电极试样表面预氧化沉积油酸制备铜合金防腐涂层，其中步骤3）是指：以铜电极试样为基体，首先在裸铜基体上电沉积纳米Cu结构，其次将纳米结构Cu氧化，最后在氧化后的基体表面注入油酸至于烘箱恒温8‑12 h形成铜合金防腐涂层。该防腐涂层的表面接触角为100.2°，表现出超疏水性，同时改涂层具有良好的力学性能，即使出现一定程度的损伤，仍能保持良好的耐腐蚀性能。 【EN】The invention provides a long-acting anticorrosive coating on the surface of a copper alloy and a preparation method thereof, wherein the long-acting anticorrosive coating comprises a substrate and an anticorrosive coating on the surface of the substrate, the anticorrosive coating comprises a Cu pre-oxidation coating deposited on the surface of the substrate and an oleic acid layer filled in the Cu pre-oxidation coating and on the surface of the Cu pre-oxidation coating, and the preparation method of the anticorrosive coating comprises the following steps: 1) preparing a copper electrode sample; 2) surface pretreatment of a copper electrode sample; 3) pre-oxidizing and depositing oleic acid on the surface of a copper electrode sample to prepare a copper alloy anticorrosive coating, wherein the step 3) is as follows: a copper electrode sample is taken as a substrate, firstly, a nano Cu structure is electrodeposited on a bare copper substrate, secondly, the nano Cu structure is oxidized, and finally, oleic acid is injected into the surface of the oxidized substrate, and the surface is placed in an oven to be kept at a constant temperature for 8-12 h to form a copper alloy anticorrosive coating. The surface contact angle of the anticorrosive coating is 100.2 degrees, the coating shows super-hydrophobicity, and meanwhile, the coating has good mechanical property, and even if the coating is damaged to a certain degree, the coating still can keep good corrosion resistance.