摘要：【中文】本发明公开了一种可用于纸张上的3D打印导电油墨的制备方法，首先溶解纳米银粉，得到纳米银溶液；将得到的纳米银溶液中依次加入助剂水性分散剂、水性聚氨酯树脂、水性丙烯酸树脂和甲基纤维素，然后通过超声分散，得到混合溶液，然后将混合溶液中依次加入防沉剂和消泡剂，搅拌得到导电油墨；利用油墨PH计测导电油墨PH，PH值为中性或弱碱性，利用粘度计测粘度，粘度范围为8‑12P；最后得到的导电油墨利用JD200 Proo 3D打印机在相片纸上进行电路板的打印并干燥，并测量电阻；本发明制作的水性导电油墨，成本低，可以应用于相片纸上电路板的打印。 【EN】The invention discloses a preparation method of 3D printing conductive ink used on paper, which comprises the steps of firstly dissolving nano silver powder to obtain a nano silver solution; sequentially adding an auxiliary agent aqueous dispersant, aqueous polyurethane resin, aqueous acrylic resin and methyl cellulose into the obtained nano silver solution, then performing ultrasonic dispersion to obtain a mixed solution, sequentially adding an anti-settling agent and a defoaming agent into the mixed solution, and stirring to obtain conductive ink; measuring the pH value of the conductive ink by using the pH value of the ink, wherein the pH value is neutral or alkalescent, and measuring the viscosity by using the viscosity meter, wherein the viscosity range is 8-12P; finally, the obtained conductive ink is used for printing and drying a circuit board on photo paper by a JD200 Proo 3D printer, and the resistance is measured; the water-based conductive ink prepared by the invention has low cost and can be applied to printing of circuit boards on photo paper.

摘要：【中文】本发明公开了一种压铸铝合金材料的制备方法，包括以下步骤；步骤一、备料；步骤二、预热；步骤三、向熔炉内投入硅和铝，以每分钟升高10度的速度升高至780‑830度使其完全熔化；步骤四、向熔炉内投入预热后的铝铁合金、铝铜合金和铝镁合金，以每分钟降低3度的速度降至650‑680度使其完全熔化；步骤五、向熔炉内投入锰、镍、镧和锌，以每分钟升高5度的速度升高至800‑850度使其完全熔化；步骤六、加入适当的微量元素细化晶粒，并向熔炼炉内同时充入氩气和精炼剂进行除气和精炼得到铝合金溶液。本发明在提高压铸铝合金塑性的同时，保证强度，可使压铸铝合金消除了力学性能的各向异性，提高了强韧性，减小了内应力，其综合力学性能强，工艺流程简单，操作简便。 【EN】The invention discloses a preparation method of a die-casting aluminum alloy material, which comprises the following steps of; step one, preparing materials; step two, preheating; step three, throwing silicon and aluminum into the furnace, and raising the temperature to 780-830 ℃ at a speed of 10 ℃ per minute to completely melt the silicon and the aluminum; step four, putting the preheated aluminum-iron alloy, aluminum-copper alloy and aluminum-magnesium alloy into the smelting furnace, and reducing the temperature to 650-680 ℃ at a speed of reducing 3 ℃ per minute to completely melt the aluminum-iron alloy, the aluminum-copper alloy and the aluminum-magnesium alloy; step five, putting manganese, nickel, lanthanum and zinc into the smelting furnace, and raising the temperature to 800-850 ℃ at the speed of raising the temperature by 5 ℃ per minute to completely melt the manganese, the nickel, the lanthanum and the zinc; and step six, adding appropriate trace elements to refine the crystal grains, and simultaneously filling argon and a refining agent into the smelting furnace to perform degassing and refining to obtain the aluminum alloy solution. The invention improves the plasticity of the die-casting aluminum alloy, ensures the strength, eliminates the anisotropy of mechanical property of the die-casting aluminum alloy, improves the obdurability, reduces the internal stress, and has strong comprehensive mechanical property, simple process flow and simple and convenient operation.

摘要：【中文】本发明涉及合成黄芩素和野黄芩素的微生物、其制备方法及其应用。本发明人通过基因工程的方法对宿主细胞的异源代谢途径进行改造，获得了高产黄芩素和野黄芩素的工程菌株。本发明还提供了利用所述工程菌株生产黄芩素和野黄芩素的工艺。 【EN】The invention relates to a microorganism for synthesizing baicalein and scutellarein, a preparation method and application thereof. The present inventors obtained high-yield baicalein and scutellarein engineering strains by modifying the heterologous metabolic pathway of host cells through a genetic engineering method. The invention also provides a process for producing baicalein and scutellarein by using the engineering strain.

摘要：【中文】本发明提供了一种SMD环行器的测试方法，1)测试工装10与SMA连接器20的组装；2)环形器的放置，环形器用SMD测试治具包括：测试工装，包括侧壁和支撑台，侧壁为圆环形，支撑台设于侧壁内且边缘与侧壁的内壁连接为一体，支撑台正面上设有若干圆弧形定位凸起；SMA连接器，可拆卸的设于测试工装内，该SMA连接器包括连接器法兰和连接器凸台，连接器凸台设于连接器法兰的中心位置且连接器凸台内设有连接器引针，连接器凸台的尺寸与固定通孔一一致，连接器凸台伸入固定通孔一内且连接器凸台的平面与支撑台齐平。本发明具有一致性好、操作便利、生产效率高的特点。 【EN】The invention provides a method for testing an SMD circulator, which comprises the following steps of 1) assembling a testing tool 10 and an SMA connector 20; 2) the placement of circulator, the SMD test fixture for circulator includes: the test tool comprises a side wall and a supporting table, wherein the side wall is annular, the supporting table is arranged in the side wall, the edge of the supporting table is connected with the inner wall of the side wall into a whole, and a plurality of arc-shaped positioning bulges are arranged on the front side of the supporting table; the SMA connector is detachably arranged in the test tool and comprises a connector flange and a connector boss, the connector boss is arranged at the center of the connector flange, a connector guide pin is arranged in the connector boss, the size of the connector boss is consistent with that of the fixing through hole, and the connector boss extends into the fixing through hole and is flush with the support platform. The invention has the characteristics of good consistency, convenient operation and high production efficiency.

摘要：【中文】本发明公开了一种压铸铝合金的熔炼低温固溶热处理方法，其特征在于：包括以下步骤；步骤一、备料；步骤二、熔炼前处理；步骤三、熔炼处理；步骤四、将得到的合金液在压铸机上以0.1‑0.2m/s的超低速压射速度成形为压铸件；步骤五、将得到的压铸件放进热处理炉进行分段式固溶处理：步骤六、将固溶后的压铸件放到20‑30度的水中冷却，冷却时间为13‑15s，放入热处理炉中加热到160‑180度的时效温度；步骤七、从炉中取出压铸件。本发明实现对压铸件的热处理同时避免铸件起泡变形，热处理简单、效果明显，使压铸铝合金在提高塑性的同时，保证强度，可使压铸铝合金消除了力学性能的各向异性，提高了强韧性，减小了内应力，其综合力学性能强。 【EN】The invention discloses a smelting low-temperature solution heat treatment method of die-casting aluminum alloy, which is characterized by comprising the following steps of: comprises the following steps; step one, preparing materials; step two, pretreatment in smelting; step three, smelting treatment; step four, the obtained alloy liquid is pressed and injected into a die casting piece on a die casting machine at an ultra-low speed of 0.1-0.2 m/s; step five, putting the obtained die casting into a heat treatment furnace for sectional type solution treatment: sixthly, putting the die casting after solid solution into water of 20-30 ℃ for cooling for 13-15s, and putting the die casting into a heat treatment furnace to be heated to the aging temperature of 160-180 ℃; and step seven, taking the die casting out of the furnace. The invention realizes the heat treatment of the die casting and simultaneously avoids the foaming deformation of the casting, has simple heat treatment and obvious effect, ensures the strength of the die casting aluminum alloy while improving the plasticity, can ensure that the die casting aluminum alloy eliminates the anisotropy of mechanical properties, improves the obdurability, reduces the internal stress and has strong comprehensive mechanical properties.

摘要：【中文】本发明涉及炮钢产品生产加工技术领域，尤其是一种SLM成型炮钢产品的热处理方法，包括以下步骤；步骤一、将SLM成型的炮钢产品表面涂覆一层耐高温防氧化涂料后放入真空氛围炉中抽真空至0.1‑0.2MPa，充入纯度为99％以上的氩气，使真空升至0.01‑0.02MPa；步骤二、进行预热；步骤三、淬火处理；步骤四、使用冷气机将SLM成型炮钢进行快速冷却；步骤五、回火处理：将SLM成型的炮钢产品再次放置到真空氛围炉内，温度从初始的0度逐渐升温高到540度，以每分钟温度升高30度的速度升高。本发明消除了SLM成型炮钢产品力学性能的各向异性，提高了强韧性，减小了内应力，其综合力学性能强，同时该工艺采用常规设备，工艺流程简单，操作简便，容易形成批量生产。 【EN】The invention relates to the technical field of production and processing of a gun steel product, in particular to a heat treatment method of an SLM (Selective laser melting) formed gun steel product, which comprises the following steps; step one, coating a layer of high-temperature-resistant anti-oxidation coating on the surface of an SLM-formed gun steel product, putting the gun steel product into a vacuum atmosphere furnace, vacuumizing to 0.1-0.2MPa, and filling argon with the purity of more than 99% to ensure that the vacuum is increased to 0.01-0.02 MPa; step two, preheating is carried out; step three, quenching treatment; step four, rapidly cooling the SLM forming gun steel by using an air conditioner; step five, tempering treatment: the SLM formed gun steel product was again placed into a vacuum atmosphere furnace with a temperature ramp from initial 0 degrees to 540 degrees and at a rate of 30 degrees per minute. The invention eliminates anisotropy of mechanical properties of SLM forming gun steel products, improves obdurability, reduces internal stress, has strong comprehensive mechanical properties, adopts conventional equipment, has simple process flow and simple and convenient operation, and is easy to form batch production.

摘要：【中文】本发明公开了一种用于铸铝的型砂，包括以下重量份的原料：新砂240‑260份、膨润土50‑60份、滑石粉40‑50份、碳化硅30‑40份，绿碳化硅30‑40份，改性石墨5‑10份、海藻酸钠4‑7份、硅酸乙酯1‑3份、六偏磷酸钠3‑5份和无水乙醇适量。本发明通过碳化硅与绿碳化硅的结合具有优良的导热散热性能，在各个材料的作用下使得型砂光滑，具有优异的透气性、粘结性、韧性、可塑性，高温时能抗氧化，硬度高，导热性较好，耐磨性较强，制备方法简单易操作，对环境友好，适合产业化，可广泛应用于铝制品的铸造，保证了铝制品工件的质量。 【EN】The invention discloses molding sand for aluminum casting, which comprises the following raw materials in parts by weight: 240 portions of fresh sand, 50 to 60 portions of bentonite, 40 to 50 portions of talcum powder, 30 to 40 portions of silicon carbide, 30 to 40 portions of green silicon carbide, 5 to 10 portions of modified graphite, 4 to 7 portions of sodium alginate, 1 to 3 portions of ethyl silicate, 3 to 5 portions of sodium hexametaphosphate and a proper amount of absolute ethyl alcohol. The invention has excellent heat conduction and heat dissipation performance through the combination of the silicon carbide and the green silicon carbide, ensures that the molding sand is smooth under the action of each material, has excellent air permeability, cohesiveness, toughness and plasticity, can resist oxidation at high temperature, has high hardness, better heat conductivity and stronger wear resistance, has simple and easy operation of the preparation method, is environment-friendly, is suitable for industrialization, can be widely applied to the casting of aluminum products, and ensures the quality of aluminum product workpieces.

摘要：【中文】本发明涉及基于随机Petri网的DOS攻防模拟方法。包括如下过程：步骤1：利用着色Petri网，构建一个DOS攻击下着色Petri网的系统防御模型；步骤2：构建DOS攻击下系统防御模型，该模型包括以下几个模块：攻击模拟模块、攻击检测模块、资源修复模块、策略实施模块；步骤3：计算系统平均可用率；本发明利用着色Petri网进行DOS攻击下的系统防御建模，将模型分为攻击模拟模块、攻击检测模块、资源修复模块、策略实施模块四个模块，很好的实现了DOS攻击下系统防御完整流程，展现了DOS攻击下系统防御细节，所建立的模型可以客观的反应在参数已知的情况下系统的可用性。 【EN】The invention relates to a DOS attack and defense simulation method based on a random Petri network. The method comprises the following steps: step 1: constructing a system defense model of the colored Petri net under DOS attack by utilizing the colored Petri net; step 2: constructing a system defense model under DOS attack, wherein the model comprises the following modules: the system comprises an attack simulation module, an attack detection module, a resource repair module and a strategy implementation module; and step 3: calculating the average availability ratio of the system; according to the invention, the colored Petri network is used for carrying out system defense modeling under DOS attack, the model is divided into an attack simulation module, an attack detection module, a resource restoration module and a strategy implementation module, the complete process of system defense under DOS attack is well realized, the details of system defense under DOS attack are shown, and the established model can objectively reflect the availability of the system under the condition that the parameters are known.

摘要：【中文】本发明公开了一种基于CoaXPress接口的图像采集系统及其采集方法，属于高速图像采集技术领域，包括：多通道CoaXPress接口模块、图像采集与控制模块、图像缓存模块、PCIe传输模块以及为多通道CoaXPress接口模块供电的传输线供电模块；多通道CoaXPress接口模块通过图像数据接口和配置与触发接口与图像采集与控制模块连接，多通道CoaXPress接口模块与图像设备连接，图像采集与控制模块经图像缓存模块与PCIe传输模块连接，PCIe传输模块与图像采集与控制模块连接进行双向通信，PCIe传输模块与计算机连接。基于多通道CoaXPress接口实现，其每个通道均可通过单根同轴线缆实现对图像设备的高速数据采集、配置与触发控制以及传输线供电的功能。 【EN】The invention discloses an image acquisition system based on a CoaXPress interface and an acquisition method thereof, belonging to the technical field of high-speed image acquisition and comprising the following steps: the system comprises a multi-channel CoaXPres interface module, an image acquisition and control module, an image cache module, a PCIe transmission module and a transmission line power supply module for supplying power to the multi-channel CoaXPres interface module; the multichannel CoaXPress interface module is connected with the image acquisition and control module through an image data interface and a configuration and trigger interface, the multichannel CoaXPress interface module is connected with the image equipment, the image acquisition and control module is connected with the PCIe transmission module through the image cache module, the PCIe transmission module is connected with the image acquisition and control module for bidirectional communication, and the PCIe transmission module is connected with a computer. Based on the realization of a multi-channel CoaXPress interface, each channel can realize the functions of high-speed data acquisition, configuration and trigger control and transmission line power supply of the image equipment through a single coaxial cable.

摘要：【中文】本发明公开了一种同轴线供电装置和方法，包括供电端和受电端，供电端的输出端和受电端的输入端之间连接有同轴线缆，供电端包括供电模块、用于检测供电模块输出电压/电流的供电检测模块和用于控制供电模块供电模式的供电控制模块，所述供电模式包括断电模式、搜寻模式和正常供电模式，供电模块的输出端通过同轴线缆与受电端连接；在数据通信的传输线上集成供电功能，使用同一根同轴线缆实现了数据通信与传输线供电，使得数据通信与供电功能互不干扰，同时可以自动检测受电端并调整供电状态，实现了供电端与受电端的自动供电连接。 【EN】The invention discloses a coaxial power supply device and a method, which comprises a power supply end and a power receiving end, wherein a coaxial cable is connected between the output end of the power supply end and the input end of the power receiving end; the integrated power supply function on data communication's transmission line has used same root coaxial cable to realize data communication and transmission line power supply for data communication and power supply function mutual noninterference can automated inspection receive the electric end and adjust power supply state simultaneously, have realized that the automatic power supply of power supply end and receive the electric end is connected.