摘要：【中文】本发明涉及芳香醛的制备方法，具体公开了一种催化氧化木质素降解制备芳香醛的方法，将非均相催化剂与含有木质素的溶液混合，在含氧气氛下催化氧化降解木质素，反应的产物为芳香醛。该方法催化剂体系组成简单，且催化剂在产物中无流失，反应条件温和，操作简便，降解产物中芳香醛的收率高，为木质素单体、木质纤维素以及造纸黑液中的木质素提供了高值化利用的方法。 【EN】The invention relates to a preparation method of aromatic aldehyde, and particularly discloses a method for preparing aromatic aldehyde by catalytic oxidation of lignin degradation. The method has the advantages of simple catalyst system composition, no loss of the catalyst in the product, mild reaction conditions, simple and convenient operation and high yield of aromatic aldehyde in the degradation product, and provides a high-valued utilization method for lignin monomers, lignocellulose and lignin in the papermaking black liquor.

摘要：【中文】本发明公开了一种节能钢结构焊接设备，属于钢结构焊接技术领域，其包括滑轨，滑轨的顶部滑移连接龙门架，龙门架的顶部滑移连接有两个定位块，定位块的顶部设置有对抽风管抽取的烟尘和气体进行处理的清理装置；清理装置包括固设于定位块顶部的定位盒，定位盒内远离抽风管的一端固设有抽风机，定位盒内依次设置有加热组件、吸收组件以及检测装置，定位盒远离抽风管的一端固设有排风管，排风管上固设有电磁阀一，定位盒位于排风管的位置固设有循环管，循环管远离抽风管的一端延伸至定位盒位于加热组件远离吸收组件的一侧，循环管上固设有电磁阀二，本发明具有减少有毒气体一氧化碳排入到空气中的效果。 【EN】The invention discloses energy-saving steel structure welding equipment, which belongs to the technical field of steel structure welding and comprises a slide rail, wherein the top of the slide rail is connected with a portal frame in a sliding manner, the top of the portal frame is connected with two positioning blocks in a sliding manner, and the tops of the positioning blocks are provided with cleaning devices for treating smoke dust and gas extracted by an exhaust pipe; the cleaning device comprises a positioning box fixedly arranged at the top of a positioning block, an exhaust fan is fixedly arranged at one end, far away from an exhaust pipe, of the positioning box, a heating component, an absorption component and a detection device are sequentially arranged in the positioning box, an exhaust pipe is fixedly arranged at one end, far away from the exhaust pipe, of the positioning box, a first electromagnetic valve is fixedly arranged on the exhaust pipe, a circulating pipe is fixedly arranged at the position, far away from the exhaust pipe, of the positioning box, one end, far away from the exhaust pipe, of the circulating pipe extends to one side, far away from the absorption component, of the positioning box, and a second electromagnetic valve is fixedly arranged on the circulating pipe.

摘要：【中文】本发明公开了一种幕墙层间防火封堵结构，涉及幕墙加工的技术领域，解决了现有技术中密封板受热容易变形和脱落的问题，其技术方案要点是包括楼层板、设置在楼层板外侧的幕墙结构、固定连接在楼层板底部的横梁、设置在面板靠近楼层板一侧的防火隔离带、设置在防火隔离带顶部的顶板、设置在防火隔离带底部的密封板、设置在密封板下方的隔热板、设置在横梁当中的若干水囊以及设置在楼层板顶部的支撑组件，通过隔热板和水阻隔热量向密封板上传递，使得钢板不容易受到高温的影响，从而使得钢板不容易变形和脱落。 【EN】The invention discloses a curtain wall interlayer fireproof blocking structure, which relates to the technical field of curtain wall processing and solves the problem that a sealing plate is easy to deform and fall off in the prior art.

摘要：【中文】一种能够自行触发感应的以USB插头为介质的充电设备(USB触发式感应插排(低电压版3.7V))它是在充电设备内部由USB充电接口、检测开关、3.7V电源、220V继电器、3.7V继电器、USB充电接口顺序连接；从3.7V继电器接2个分支，一支顺序连接发光二极管、3.7V电源、USB充电总端口；另一支顺序连接USB充电总端口、5V&220V双控开关、220V主电源.在220V主电源通电后220V继电器藕合待机，当USB插头插入后经检测开关触发由3.7V电源向220v继电器供电启用，后经其向3.7V继电器供电启用3.7V继电器后通过3.7V继电器一支经发光二极管向3.7V电源供电补充电力损耗；另一支向USB充电总端口供电得以进入工作状态进行充电，若3.7V电力损耗过大无充电反应则直接启用5V&220V双控开关得以充电。 【EN】A charging device (USB trigger type induction socket (low voltage version 3.7V)) which can automatically trigger induction and takes a USB plug as a medium is characterized in that a USB charging interface, a detection switch, a 3.7V power supply, a 220V relay, a 3.7V relay and a USB charging interface are sequentially connected in the charging device; 2 branches are connected from the 3.7V relay, and one branch is sequentially connected with a light-emitting diode, a 3.7V power supply and a USB charging main port; the other branch is sequentially connected with a USB charging main port, a 5V &220V double-control switch and a 220V main power supply, after the 220V main power supply is electrified, the 220V relay is coupled for standby, after the USB plug is inserted, the detection switch triggers the 3.7V power supply to supply power to the 220V relay for starting, then the 3.7V relay is supplied with power to start the 3.7V relay through the detection switch, and the other branch supplies power to the 3.7V power supply through the light-emitting diode to supplement power loss; and the other power supply supplies power to the USB charging main port to enter a working state for charging, and if the 3.7V power loss is overlarge and no charging reaction exists, the 5V &220V double-control switch is directly started to be charged.

摘要：【中文】本发明公开了一种股四头肌最大等长肌力测试仪，包括基座，基座的底板上设有力传感器和定滑轮，力传感器的金属棒上设有无张力束带，金属棒指向定滑轮的中间，且金属棒距离底板的距离与定滑轮中间部位距离底板的距离相同，无张力束带绕过定滑轮，力传感器的数据输出端连接有信号转换器，信号转换器的输出端连接终端；本发明通过力传感器配合定滑轮的方式测量肌力，相对于传统的手动肌力评定法而言，测量结果更加直观、准确、客观；同时本发明拆卸和安装方便，可以直接安装在病床和椅子上，使用方便，测量时只需患者坐在椅子或者躺卧在床上，脚踝朝向前方用力，即可完成检测，因此本装置可对抢救治疗中的患者的肌力变化情况进行实时监测。 【EN】The invention discloses a tester for testing maximum isometrial force of quadriceps femoris, which comprises a base, wherein a force sensor and a fixed pulley are arranged on a bottom plate of the base, a tension-free bridle is arranged on a metal rod of the force sensor, the metal rod points to the middle of the fixed pulley, the distance from the metal rod to the bottom plate is the same as the distance from the middle part of the fixed pulley to the bottom plate, the tension-free bridle bypasses the fixed pulley, the data output end of the force sensor is connected with a signal converter, and the output end of the signal converter is connected with a terminal; the muscle strength is measured in a mode that the force sensor is matched with the fixed pulley, and compared with a traditional manual muscle strength evaluation method, the muscle strength evaluation method has the advantages that the measurement result is more visual, accurate and objective; meanwhile, the device is convenient to detach and install, can be directly installed on a sickbed and a chair, is convenient to use, and can complete detection only by enabling a patient to sit on the chair or lie on the bed and applying force with the ankle facing the front during measurement, so that the device can monitor the muscle strength change condition of the patient in the rescue treatment in real time.

摘要：【中文】本发明公开了一种石墨‑低温合金‑钢耦合传热模式的高温模具，属于模具制作领域，该模具包括零件制作系统和保温系统，零件制作系统包括石墨模具、低熔点合金、钢模套及底模，低熔点合金填充在石墨模具和钢模套之间的环空间隙内；低熔点合金包裹石墨模具的外表面，使其隔绝氧气提高石墨模具的高温抗氧化性，降低石墨模具的氧化速度，增加了石墨模具的使用寿命；加热后液态的低熔点合金为钢模套和石墨模具膨胀和变形提供了可变空间，冷却收缩过程在低熔点合金凝固前也如加热过程一样。保温系统套装在零件制作系统的外部，对零件制作系统进行保温，降低热量的损失，提高能量利用率，降低用电消耗，降低零件加工成本。 【EN】The invention discloses a high-temperature die in a graphite-low-temperature alloy-steel coupling heat transfer mode, which belongs to the field of die manufacturing, and comprises a part manufacturing system and a heat preservation system, wherein the part manufacturing system comprises a graphite die, a low-melting-point alloy, a steel die sleeve and a bottom die, and the low-melting-point alloy is filled in an annular space between the graphite die and the steel die sleeve; the low-melting-point alloy wraps the outer surface of the graphite mold, so that the graphite mold is isolated from oxygen, the high-temperature oxidation resistance of the graphite mold is improved, the oxidation speed of the graphite mold is reduced, and the service life of the graphite mold is prolonged; the liquid low-melting-point alloy after heating provides a variable space for the expansion and deformation of the steel die sleeve and the graphite die, and the cooling shrinkage process is the same as the heating process before the low-melting-point alloy is solidified. The heat preservation system suit is in the outside of part manufacturing system, keeps warm to part manufacturing system, reduces thermal loss, improves energy utilization, reduces the power consumption, reduces parts machining cost.

摘要：【中文】本公开是关于一种3D陶瓷终端背板的成型模具及制造方法。所述成型模具包括：上模和下模；上模与下模组合后形成与3D陶瓷终端背板的形状相匹配的模腔；上模与下模相对的表面形成有至少一个凹点。由于上述至少一个凹点在3D陶瓷终端背板的成型过程中，会使得3D陶瓷终端背板的生坯的外表面形成有与该至少一个凹点相对应的至少一个凸点，该至少一个凸点使得生坯的平面位置处的制造粉料更多，从而减少了弧面位置处的制造粉料，当弧面位置处的制造粉料体积不变，质量减小时，弧面位置处的密度降低，最终使得生坯的平面位置与弧面位置的密度差降低，使得生坯各部位的强度更适当，解决了因弧面位置密度过大而使得等静压后烧结容易变形的问题。 【EN】The disclosure relates to a forming die and a manufacturing method of a 3D ceramic terminal backboard. The molding die includes: an upper die and a lower die; the upper die and the lower die are combined to form a die cavity matched with the 3D ceramic terminal back plate in shape; at least one concave point is formed on the surface of the upper die opposite to the lower die. Because above-mentioned at least one concave point is in the forming process of 3D ceramic terminal backplate, can make the surface of the unburned bricks of 3D ceramic terminal backplate be formed with at least one bump corresponding with this at least one concave point, this at least one bump makes the manufacturing powder of the plane position department of unburned bricks more, thereby the manufacturing powder of cambered surface position department has been reduced, the manufacturing powder volume of cambered surface position department is unchangeable, when the quality reduces, the density of cambered surface position department reduces, finally make the difference in density of the plane position of unburned bricks and cambered surface position reduce, make the intensity of each position of unburned bricks more appropriate, the problem of sintering easy deformation after having solved because of cambered surface position density is too big makes the isostatic pressing.

摘要：【中文】本发明实施例提供了一种新型冷冻冷藏设备，包括蒸发器、接水盘组件和风机，还包括风道板，所述风机包括第一风机和第二风机，所述蒸发器和所述接水盘组件均设置在所述风道板的一侧，所述第一风机和所述第二风机均设置在所述风道板上，所述接水盘组件设置在所述蒸发器的底部。本发明的新型冷冻冷藏设备通过设置在蒸发器底部的接水盘组件自动收集除霜后的化霜水，化霜水变成水汽后，通过风机的转运将水汽再次散发在箱体内，以此增加箱内湿度，且自动储存水，无须人工向箱体内定时注水，实现冷冻冷藏设备的湿度控制的自动化，彻底解决现有冷冻冷藏设备需要人工操作控制箱体内湿度的问题。 【EN】The embodiment of the invention provides novel freezing and refrigerating equipment which comprises an evaporator, a water pan assembly, a fan and an air duct plate, wherein the fan comprises a first fan and a second fan, the evaporator and the water pan assembly are both arranged on one side of the air duct plate, the first fan and the second fan are both arranged on the air duct plate, and the water pan assembly is arranged at the bottom of the evaporator. The novel freezing and refrigerating equipment automatically collects defrosting water after defrosting through the water receiving disc assembly arranged at the bottom of the evaporator, and after the defrosting water is changed into water vapor, the water vapor is diffused into the box body again through the transportation of the fan, so that the humidity in the box body is increased, water is automatically stored, manual water injection into the box body at regular time is not needed, the automation of humidity control of the freezing and refrigerating equipment is realized, and the problem that the humidity in the box body needs to be controlled manually in the existing freezing and refrigerating equipment is thoroughly solved.

摘要：【中文】本发明公开了一种吸管旋切装置，用于对吸管支撑轴上旋转输送的吸管进行切割，包括基座结构体、转动安装在基座结构体内的中空转子总成、安装在基座结构体上用于驱动中空转子总成旋转的动力机构、多个沿周向分布且转动安装在中空转子总成上的旋切刀、周向滑动安装在基座结构体内用于控制旋切刀的角度以完成吸管切割的角度控制机构；吸管支撑轴伸入中空转子总成内，旋切刀的刀刃朝向吸管支撑轴上的吸管。本发明无需吸管自转一圈就能完成吸管切割，切割速度快周期短；旋切刀的切割角度容易控制，切割效果好；零部件少、结构简单，且运行稳定可靠。 【EN】The invention discloses a rotary cutting device for straws, which is used for cutting straws which are rotatably conveyed on a straw supporting shaft and comprises a base structure body, a hollow rotor assembly rotatably arranged in the base structure body, a power mechanism arranged on the base structure body and used for driving the hollow rotor assembly to rotate, a plurality of rotary cutters which are distributed along the circumferential direction and rotatably arranged on the hollow rotor assembly, and an angle control mechanism which is circumferentially and slidably arranged in the base structure body and used for controlling the angle of the rotary cutters so as to complete the cutting of the straws; the straw supporting shaft extends into the hollow rotor assembly, and the cutting edge of the rotary cutter faces the straw on the straw supporting shaft. The straw cutting machine can finish straw cutting without rotating the straw for one circle, and has high cutting speed and short cutting period; the cutting angle of the rotary cutter is easy to control, and the cutting effect is good; the parts are few, the structure is simple, and the operation is stable and reliable.

摘要：【中文】本发明公开了一种高温合金材料用新型铸造工艺，该高温合金材料按照质量百分比由以下的各组分组成：金属铬16.2％、纯铁8％、锰0.5％、镍75.1，余量为电解铝、脱氧3#(Ni‑Mg)、脱氧4#(Ni‑Ca)以及回炉料，该新型铸造工艺包括以下步骤：装料：将纯铁和镍装入坩埚中；纯铁和镍完全熔化后，加入铬到完成熔化，升温到1550℃，并且保持2‑3h，加入锰；步骤三、离心铸造按工艺执行，钢水温度1680℃，离心机转速1550转/分钟；本发明的一种高温合金材料用新型铸造工艺，有很高的回火稳定性和高温强硬度，延伸率≥20％，在820℃高温时，抗拉强度≥920MPa,延伸率≥22％，同时该合金材料的抗拉强度≥860MPa,表面硬度≥320HB，使用寿命为常规材质的基础上提高1倍以上，更具使用价值。 【EN】The invention discloses a novel casting process for a high-temperature alloy material, which comprises the following components in percentage by mass: 16.2% of metallic chromium, 8% of pure iron, 0.5% of manganese, 75.1% of nickel and the balance of electrolytic aluminum, deoxidized No. 3 (Ni-Mg), deoxidized No. 4 (Ni-Ca) and scrap returns, and the novel casting process comprises the following steps: charging: charging pure iron and nickel into a crucible; after the pure iron and the nickel are completely melted, adding chromium until the pure iron and the nickel are completely melted, heating to 1550 ℃, keeping the temperature for 2-3 hours, and adding manganese; step three, carrying out centrifugal casting according to a process, wherein the temperature of molten steel is 1680 ℃, and the rotating speed of a centrifugal machine is 1550 rpm; the novel casting process for the high-temperature alloy material has high tempering stability and high-temperature strength and hardness, the elongation is more than or equal to 20%, the tensile strength is more than or equal to 920MPa at 820 ℃, the elongation is more than or equal to 22%, meanwhile, the tensile strength of the alloy material is more than or equal to 860MPa, the surface hardness is more than or equal to 320HB, the service life of the novel casting process is prolonged by more than 1 time than that of the novel casting process for the high-temperature alloy material, and the novel casting process has high use value.