摘要：【中文】一种马来酸酐的制备方法，涉及马来酸酐。提供具有高产率、易分离、成本低、污染少等特点的一种马来酸酐的制备方法。以5‑甲酰氧基甲基糠醛或5‑羟甲基糠醛作为反应底物，与反应溶剂、氧化剂、添加剂、催化剂，按一定比例混合于反应器中，在一定温度条件下密闭反应一定时间，反应结束后得到马来酸酐。以大气压的空气氧为氧化剂制备MA以生物质平台化合物5‑甲酰甲基糠醛或5‑羟甲基糠醛为原料的方法。具有高产率、易分离、成本低、污染少等特点。催化剂高效、用量少、简单易得，产物收率高、副产物少，反应条件温和，方法绿色、经济、环保，转化率超过99％，选择性大于93％。经过分离和重结晶提纯后的产品纯度高超过99.9％。 【EN】A preparation method of maleic anhydride relates to maleic anhydride. Provides a preparation method of maleic anhydride with the characteristics of high yield, easy separation, low cost, less pollution and the like. 5-formyloxymethylfurfural or 5-hydroxymethylfurfural is used as a reaction substrate, mixed with a reaction solvent, an oxidant, an additive and a catalyst in a reactor according to a certain proportion, and subjected to a closed reaction for a certain time at a certain temperature to obtain maleic anhydride after the reaction is finished. A method for preparing MA by using atmospheric air oxygen as an oxidant and using a biomass platform compound 5-formylmethylfurfural or 5-hydroxymethylfurfural as a raw material. Has the characteristics of high yield, easy separation, low cost, less pollution and the like. The catalyst is efficient, the using amount is small, the catalyst is simple and easy to obtain, the product yield is high, the byproducts are few, the reaction condition is mild, the method is green, economic and environment-friendly, the conversion rate exceeds 99%, and the selectivity is more than 93%. The purity of the product after separation, recrystallization and purification is higher than 99.9 percent.

摘要：【中文】一种4‑环戊烯‑1,3‑二酮的制备方法。提供具有催化剂用量少，易分离，方法经济、绿色、环保，产物收率高等特点的一种4‑环戊烯‑1,3‑二酮的制备方法。步骤：1)将反应底物与反应溶剂、氧化剂、催化剂按一定比例混合于反应器中，在一定反应温度条件下密闭进行加热反应，然后冷却至室温，得到4‑环戊烯‑1,3‑二酮反应液；2)反应液离心后减压蒸馏回收反应溶剂得到粗产物，加入水将粗产物溶解，在0～4℃的条件下采用萃取剂萃取，然后减压回收萃取剂得到白色针状晶体4‑环戊烯‑1,3‑二酮。副产物少，转化率超过99％，选择性大于98％。经过分离和重结晶提纯后的产品纯度高超过99.9％。具有较高的产业化前景。 【EN】A preparation method of 4-cyclopentene-1, 3-dione. The preparation method of the 4-cyclopentene-1, 3-diketone has the characteristics of small catalyst consumption, easy separation, economic method, environmental protection, high product yield and the like. The method comprises the following steps: 1) mixing a reaction substrate, a reaction solvent, an oxidant and a catalyst in a reactor according to a certain proportion, sealing the mixture at a certain reaction temperature for heating reaction, and then cooling the mixture to room temperature to obtain a 4-cyclopentene-1, 3-dione reaction solution; 2) and centrifuging the reaction liquid, then carrying out reduced pressure distillation to recover the reaction solvent to obtain a crude product, adding water to dissolve the crude product, extracting by using an extracting agent at the temperature of 0-4 ℃, and then carrying out reduced pressure recovery on the extracting agent to obtain a white acicular crystal 4-cyclopentene-1, 3-dione. Less by-products, conversion rate over 99% and selectivity over 98%. The purity of the product after separation, recrystallization and purification is higher than 99.9 percent. Has a high industrialization prospect.

摘要：【中文】一种快速冷却制动盘，属于运输制动装置领域，包括强制冷却装置和两块制动盘，所述制动盘中部轴向设有轴套，制动盘上设有自旋风进口，两个制动盘外沿间设有出风罩，所述出风罩上设有出风口，所述轴套端部的制动盘外侧中心设有导气帽，所述导气帽中部设有与强制冷却装置旋转连接的进孔。在制动盘旋转过程中，通过涡流原理，自旋风进口进自然风，出风口出风，通过自然风冷却制动盘，适用于普通制动的自然风冷却；强制冷却装置通入导气帽，进行强制冷却，适用于紧急制动或长时间制动，冷却迅速，安全性好，有效避免制动盘易变形和制动盘制动失效问题，出风罩起到排风和支撑两个制动盘的作用，结构稳定。 【EN】The utility model provides a cool off brake disc fast, belongs to transportation arresting gear field, including forced cooling device and two brake discs, brake disc middle part axial is equipped with the axle sleeve, is equipped with on the brake disc from the wind import of spinning, is equipped with out the fan housing between two brake disc outer edges, it is equipped with the air outlet on the fan housing to go out, the brake disc outside center of axle sleeve tip is equipped with leads the air cap, lead air cap middle part be equipped with forced cooling device swivelling joint's inlet hole. In the rotation process of the brake disc, natural wind enters from the wind inlet and exits from the wind outlet through the vortex principle, and the brake disc is cooled by the natural wind, so that the brake disc is suitable for natural wind cooling of common braking; the forced cooling device is introduced into the air guide cap for forced cooling, is suitable for emergency braking or long-time braking, is rapid in cooling and good in safety, effectively avoids the problems that a brake disc is easy to deform and the brake disc fails in braking, and the air outlet cover plays roles of exhausting air and supporting two brake discs and is stable in structure.

摘要：本发明公开了一种用于高寒地区的双光谱摄像机，属于电力领域，该摄像机包括外壳、位于外壳内部并布置在镜头里热风系统、布置在镜头表面的热风喷口以及雨刷；热风系统包括热风通道和热风控制装置；热风控制装置位于热风通道的内部；热风控制装置包括预热控制单元、风机控制单元和加热控制单元；预热控制单元将宽端部的空气进行加热得到预热空气；风机控制单元将预热空气或外部空气推送到窄端部的尾部；加热控制单元将窄端部尾部的空气再次进行加热；摄像机外壳及热风通道的外层采用的材料均为碳纤维；有效解决了普通双光谱摄像机无法在高寒地区冬季使

摘要：【中文】本发明公开一种变频脉冲式X射线控制电路及脉冲探伤检测装置，变频脉冲式X射线控制电路包括单片机、同步电路、电源电路、初级电压设定电路、调压斩波驱动电路、逆变斩波驱动电路和高压驱动电路，初级电压设定电路根据电压设定信号输出设定电压，调压斩波驱动电路在接收到调压控制信号时，根据设定电压输出电压调节信号。同步电路根据接收到的同步信号输出同步脉冲信号，逆变斩波驱动电路根据接收到的逆变控制信号输出预设的高压驱动信号。高压驱动电路根据高压驱动信号输出高压脉冲电源信号驱动X射线管头。以使成像装置晚于X射线开启，早于X射线关闭，从而滤除干扰条纹。 【EN】The invention discloses a variable-frequency pulse type X-ray control circuit and a pulse flaw detection device. The synchronous circuit outputs a synchronous pulse signal according to the received synchronous signal, and the inversion chopping drive circuit outputs a preset high-voltage drive signal according to the received inversion control signal. The high-voltage driving circuit outputs a high-voltage pulse power supply signal according to the high-voltage driving signal to drive the X-ray tube head. So that the imaging device is switched on later than the X-ray and switched off earlier than the X-ray, thereby filtering out interference fringes.

摘要：【中文】本发明公开了一类密码子优化的人乳头状瘤病毒主要衣壳蛋白L1编码基因，所述基因在被转入酵母细胞后可高效地表达重组人乳头状瘤病毒主要衣壳蛋白L1。本发明还公开了一种具有免疫原性的大分子，其主要由所述经密码子优化的人乳头状瘤病毒主要衣壳蛋白L1编码基因在酵母细胞中表达产生。本发明还公开了所述具有免疫原性的大分子的应用和组合物。 【EN】The invention discloses a codon-optimized human papilloma virus major capsid protein L1 encoding gene, which can efficiently express recombinant human papilloma virus major capsid protein L1 after being transferred into yeast cells. The invention also discloses a macromolecule with immunogenicity, which is mainly generated by expressing the codon-optimized human papilloma virus main capsid protein L1 encoding gene in yeast cells. The invention also discloses the use and compositions of the immunogenic macromolecules.

摘要：【中文】本发明涉及一种经济型管线钢的制造方法，所涉及管线钢的元素组合按wt％计量为C 0.075‑0.090，Si 0.3‑0.4，Mn 1.75‑1.90，Al 0.02‑0.04，Nb 0.01‑0.025，Ti 0.02‑0.03，[N]0.004‑0.007，S≤0.003，P≤0.015，余量为Fe及不可避免的杂质元素。制造方法包括BOF转炉冶炼—RH/VD真空脱气—150mm连铸坯—连铸坯检查清理热送加热炉—铸坯加热(保证待温时间)—高压水除鳞—轧制—ACC冷却等。本发明能够获得针状铁素体+多边形铁素体混合组织，屈服强度≥485MPa，抗拉强度≥570MPa，延伸率≥30％，‑40℃冲击功≥200J。 【EN】The invention relates to a method for manufacturing economical pipeline steel, wherein the element composition of the pipeline steel comprises 0.075-0.090 wt% of C, 0.3-0.4 wt% of Si, 1.75-1.90 wt% of Mn, 0.02-0.04 wt% of Al, 0.01-0.025 wt% of Nb, 0.02-0.03 wt% of Ti, [ N ]0.004-0.007 wt% of S less than or equal to 0.003 wt% of P less than or equal to 0.015 wt% of the steel, and the balance of Fe and inevitable impurity elements. The manufacturing method comprises BOF converter smelting, RH/VD vacuum degassing, 150mm continuous casting billets, continuous casting billet inspection, cleaning, heat transfer to a heating furnace, casting billet heating (ensuring the waiting time), high-pressure water descaling, rolling, ACC cooling and the like. The invention can obtain acicular ferrite and polygonal ferrite mixed structure, the yield strength is more than or equal to 485MPa, the tensile strength is more than or equal to 570MPa, the elongation is more than or equal to 30 percent, and the impact energy at minus 40 ℃ is more than or equal to 200J.

摘要：本申请提供了一种自动对接补给方法、装置及设备；该自动对接补给方法根据定位装置测量的对接位置信息，控制移动车体平台移动至位姿调控机构工作可达的对接区域内；确定对接位置信息；根据对接位置信息，控制旋转平台和位姿调控机构带动对接装夹机构旋转并调整对接装夹机构的位姿，以在对接装夹机构设有的定位导向组件的定位引导下实现与对接机构对接；在确定对接机构和对接装夹机构已完成定位对接后，控制对接机构启动，以通过对接机构设有的锁紧定位装置完成定位锁紧；在确定完成定位锁紧后，控制旋转平台和位姿调控机构远离对接装夹机构并恢复至初始位置处。可见，本申请能够精确完成自动补给作业的同时，还能提高补给效率。

摘要：本申请提供了一种基于机械臂实现自动对接的对接方法及装置，该自动对接方法应用于自动对接设备的控制系统，该对接方法在确定机械臂带动当前待对接体移动到对接装夹机构处于可对接对接机构的对接范围内时，控制摄像机拍摄对接机构，对拍摄图像进行分析，确定出对接装夹机构与对接机构进行对接时的对接位置信息；根据对接位置信息，控制机械臂带动对接装夹机构在卡接引导组件引导定位导向组件的定位导向下实现与卡接引导组件的对接；在确定卡接引导组件和定位导向组件已完全吻合卡接后，控制机械手脱离当前待对接体，之后控制机械臂恢复至初始位置处。可见，本申请能够精确且快速地完成自动对接，以实现快速补给作业的同时，还能提高补给效率。