摘要：【中文】本发明公开了一种双向动力头，包括壳体、第一输出轴、第二输出轴、套筒、叶片、定向离合器和散热器；壳体内部设置有空腔，第一输出轴穿过空腔，套筒套在第一输出轴上，叶片安装在套筒上，叶片和套筒位于空腔内；套筒与第一输出轴之间设置有定向离合器；第二输出轴与第一输出轴垂直，套筒上套有第一伞齿轮，第二输出轴的末端设置有第二伞齿轮，第一伞齿轮与第二伞齿轮啮合；壳体上设置有进液口和出液口。本发明的双向动力头在套筒上设置有叶片，第一输出轴旋转时能够同步驱动套筒和叶片旋转，旋转的叶片使得冷却液形成在空腔与散热器之间的自循环，不断将双向动力头内的热量传递出去，避免双向动力头在工作过程中不断升温。 【EN】The invention discloses a bidirectional power head which comprises a shell, a first output shaft, a second output shaft, a sleeve, blades, a directional clutch and a radiator, wherein the shell is provided with a first output shaft and a second output shaft; a cavity is formed in the shell, the first output shaft penetrates through the cavity, the sleeve is sleeved on the first output shaft, the blades are arranged on the sleeve, and the blades and the sleeve are positioned in the cavity; a directional clutch is arranged between the sleeve and the first output shaft; the second output shaft is vertical to the first output shaft, a first bevel gear is sleeved on the sleeve, a second bevel gear is arranged at the tail end of the second output shaft, and the first bevel gear is meshed with the second bevel gear; the shell is provided with a liquid inlet and a liquid outlet. According to the bidirectional power head, the blades are arranged on the sleeve, the sleeve and the blades can be synchronously driven to rotate when the first output shaft rotates, the rotating blades enable the cooling liquid to form self circulation between the cavity and the radiator, heat in the bidirectional power head is continuously transmitted out, and the bidirectional power head is prevented from being continuously heated in the working process.

摘要：【中文】本发明涉及一种发泡芯材膨胀成型夹层复合材料的成型模具和成型工艺；成型模具包括：成型模具上模、上蒙皮、下蒙皮、成型模具下模、若干固定装置；上蒙皮位于成型模具上模和泡沫预型体的上表面之间；下蒙皮位于成型模具下模和泡沫预型体的下表面之间；成型工艺包括以下步骤：1、将泡沫原材料置于发泡模具中加热成型；2、在预热后的成型模具上模、下模贴数层预浸料,泡沫放置在成型模具下模。合上模具,用螺栓紧固模具；3：将模具置于烘箱中,加热成型，完成后取出开模，得到成型粗胚。本发明不使用热压机，可以使用铝模直接成型，降低了操作难度,提高了安全系数，在保证产品质量的基础上降低了产品的成本，有利于夹层结构复合材料的推广应用。 【EN】The invention relates to a forming die and a forming process for an expansion forming sandwich composite material of a foam core material; the molding die includes: the device comprises a forming die upper die, an upper skin, a lower skin, a forming die lower die and a plurality of fixing devices; the upper skin is positioned between the upper die of the forming die and the upper surface of the foam preform; the lower skin is positioned between the lower die of the forming die and the lower surface of the foam preform; the molding process comprises the following steps: 1. placing the foam raw material in a foaming mould for heating and forming; 2. and (3) attaching layers of prepreg on the upper die and the lower die of the preheated forming die, and placing the foam on the lower die of the forming die. Closing the mold, and fastening the mold by using bolts; 3: and (3) placing the mold in an oven, heating for molding, taking out the mold after molding, and obtaining a molded rough blank. The invention does not use a hot press, can use an aluminum die for direct molding, reduces the operation difficulty, improves the safety factor, reduces the product cost on the basis of ensuring the product quality, and is beneficial to the popularization and the application of the sandwich structure composite material.

摘要：【中文】一种电路板阻焊工艺，涉及电路板制造技术领域，该工艺包括：步骤一，阻焊前处理；步骤二，基材丝印；采用第一油墨和第一档点网版进行基材丝印；所述第一油墨由热固树脂和塞孔油墨调配；步骤三，高温烘烤；步骤四，砂带磨板；步骤五，循环步骤一至步骤四若干次；步骤六，面油丝印；采用第二油墨和第二档点网版；所述第二档点网版的丝印网目数大于第一档点网版；步骤七，预烤、曝光、显影、高温后烤。本申请提供阻焊工艺，基材丝印采用第一油墨结合第一档点网版，每次基材丝印的下油量很大，丝印效率高；无需在油墨中添加过量稀释剂，解决了丝印气泡的问题；面油丝印采用第二档点网版和第二油墨，来保证表面质量。 【EN】A circuit board solder mask process relates to the technical field of circuit board manufacturing, and comprises the following steps: step one, solder resist pretreatment; step two, screen printing of a base material; carrying out substrate silk-screen printing by adopting first ink and a first dot screen printing plate; the first ink is prepared from thermosetting resin and hole plugging ink; step three, baking at high temperature; grinding the plate by using a sand belt; step five, the step one to the step four are circulated for a plurality of times; step six, performing finish oil silk-screen printing; adopting second printing ink and a second screen printing plate; the screen printing mesh number of the second dot screen printing plate is larger than that of the first dot screen printing plate; and seventhly, pre-baking, exposing, developing and baking at high temperature. According to the solder mask process, the first printing ink is combined with the first dot screen printing plate in the base material silk-screen printing, the oil feeding amount of the base material silk-screen printing each time is large, and the silk-screen printing efficiency is high; excessive diluent does not need to be added into the printing ink, so that the problem of silk-screen bubble is solved; and the surface oil silk screen printing adopts a second dot screen printing plate and second printing ink to ensure the surface quality.

摘要：【中文】本发明公开了一种基于弹道方程的脱靶量计算方法及系统，属于脱靶量计算技术领域，方法包括：根据弹丸类型和弹丸运动的影响因素建立弹道方程；基于弹道方程，解算外弹道轨迹，获取弹丸位置信息；读取弹丸命中点坐标，并结合弹丸位置信息，求取地面坐标系下的脱靶量。系统包括弹道方程构建模块、弹丸位置信息获取模块和脱靶量计算模块，用于实现上述方法。本发明以弹丸飞行时间、方位角和发射角为初始条件，结合弹道方程解算运动轨迹，之后计算弹丸与命中点之间的距离偏差、方位角和高低角，本发明能够提前预测脱靶量，且计算结果表明本发明计算出的脱靶量与理论脱靶量计算结果很相近，计算精度高，能够为脱靶量的精度评定提供理论依据。 【EN】The invention discloses a method and a system for calculating miss distance based on a ballistic equation, belonging to the technical field of miss distance calculation, wherein the method comprises the following steps: establishing a ballistic equation according to the type of the projectile and the influence factors of the movement of the projectile; resolving an outer ballistic trajectory based on a ballistic equation to obtain projectile position information; and reading the shot hit point coordinates, and calculating the miss distance under the ground coordinate system by combining the shot position information. The system comprises a ballistic equation construction module, a projectile position information acquisition module and a miss distance calculation module, and is used for realizing the method. The method takes the flight time, the azimuth angle and the launch angle of the projectile as initial conditions, combines a ballistic equation to calculate the motion trajectory, and then calculates the distance deviation, the azimuth angle and the elevation angle between the projectile and the hit point.

摘要：【中文】本发明涉及一种碳纤维壳体表面贯穿型孔隙和裂纹的修补结构以及修补工艺；修补结构包括：待修补的碳纤维、待修补的孔隙、真空袋、吸胶棉、遮蔽胶带、树脂或结构胶、密封胶条等；修补工艺包括以下步骤：1：使用遮蔽胶带对修补区域周围的表面进行遮蔽，并使用密封胶条填满附近的孔位；2：使用脱漆剂清除修补区域的漆面；3：按照一定的比例调配树脂或结构胶；4：将树脂或结构胶涂在修补区域的内表面，在外表面铺设真空袋；5：连接真空泵，对被修补处抽真空，完成后清理多余的树脂；步骤6：将壳体放入烘箱中烘烤,使树脂完全固化。本发明利用抽真空带来的负压让树脂渗透到碳层内，以修补碳层内部的裂纹、孔隙，同时保证修补位置具有一定的强度。 【EN】The invention relates to a repair structure and a repair process for through holes and cracks on the surface of a carbon fiber shell; the repair structure includes: carbon fibers to be repaired, pores to be repaired, vacuum bags, absorbent cotton, masking tapes, resin or structural glue, sealing adhesive tapes and the like; the repairing process comprises the following steps: 1: shielding the surface around the repaired area by using a shielding adhesive tape, and filling nearby hole sites by using a sealing adhesive tape; 2: removing the paint surface of the repaired area by using a paint remover; 3: blending resin or structural adhesive according to a certain proportion; 4: coating resin or structural adhesive on the inner surface of the repair area, and laying a vacuum bag on the outer surface; 5: connecting a vacuum pump, vacuumizing the repaired part, and cleaning redundant resin after the completion; step 6: and (4) putting the shell into an oven for baking to completely cure the resin. The invention utilizes the negative pressure brought by vacuum pumping to lead the resin to permeate into the carbon layer so as to repair the cracks and the holes in the carbon layer and simultaneously ensure that the repaired position has certain strength.

摘要：【中文】本发明公开了一种纳米零价铁复合凹凸棒石的重金属钝化材料，所述重金属钝化材料包括以下重量百分比的物质：70～80％的凹凸棒石和20～30％的纳米铁，同时公开了该重金属钝化材料的制备方法和应用。本发明制得的重金属钝化材料能够通过吸附、固定和钝化土壤中的重金属，改变土壤中重金属的化学形态，从而极大地降低了重金属的生态毒性，减少重金属的生物可利用性，起到良好的修复土壤重金属污染的效果。 【EN】The invention discloses a heavy metal passivation material of nano zero-valent iron composite attapulgite, which comprises the following substances in percentage by weight: 70-80% of attapulgite and 20-30% of nano iron, and also discloses a preparation method and application of the heavy metal passivation material. The heavy metal passivation material prepared by the invention can change the chemical form of heavy metal in soil by adsorbing, fixing and passivating the heavy metal in the soil, thereby greatly reducing the ecological toxicity of the heavy metal, reducing the bioavailability of the heavy metal and playing a good role in repairing the heavy metal pollution of the soil.

摘要：【中文】本发明公开了一种坡缕石负载纳米零价铁制备土壤重金属钝化材料的方法，属于土壤改良技术领域，该方法以坡缕石、硫酸亚铁、硼氢化钾、乙醇和水为原料，先后通过破碎研磨、混合搅拌、还原反应、清洗烘干和破碎包装五个步骤，用于制备坡缕石负载纳米零价铁钝化材料，并利用制备的坡缕石负载纳米零价铁钝化材料来钝化土壤中的重金属，显著提高了坡缕石的钝化性和吸附性能，降低了土壤污染物的生物毒性及迁移性，减少重金属的生物可利用性，还可以提高土壤pH和肥力，改善土壤的物化性质和结构，从而达到稳定土壤成分，减轻土壤风化的目的。 【EN】The invention discloses a method for preparing a soil heavy metal passivation material by using palygorskite loaded with nano zero-valent iron, which belongs to the technical field of soil improvement.

摘要：【中文】本发明涉及一种磷酸盐湿法复配凹凸棒石制备土壤钝化材料的方法，其制作依次步骤包括原料的选择、原料的破碎和研磨、原料的混合、泥浆的制作、烘干泥浆、粉碎泥浆和包装入库。本发明所制备的土壤重金属钝化材料可钝化有机污染物及有毒有害重金属，降低土壤污染物的生物毒性及迁移性，减少重金属的生物可利用性。改善磷酸盐施用过多所造成的富营养化，同时增强凹凸棒石的钝化性能及应用性。 【EN】The invention relates to a method for preparing a soil passivation material by compounding attapulgite with phosphate by a wet method. The soil heavy metal passivation material prepared by the invention can passivate organic pollutants and toxic and harmful heavy metals, reduce the biotoxicity and mobility of soil pollutants, and reduce the bioavailability of heavy metals. Improve eutrophication caused by excessive phosphate application, and simultaneously enhance the passivation performance and the applicability of the attapulgite.

摘要：【中文】本发明公开了一种壳聚糖/海泡石/腐殖酸复合微胶囊的制备方法及其应用，包括，制备腐殖酸/海泡石复合胶体粒子溶液；制备腐殖酸/海泡石复合胶体粒子为稳定剂的皮克林乳液；将壳聚糖溶于稀醋酸溶液中得到壳聚糖溶液，在机械搅拌的作用下，将壳聚糖溶液加入到所述皮克林乳液中，搅拌1h后，收集反应产物，用工业乙醇将反应产物中的环己烷去除，再将产物经磁分离、弱酸水洗涤、水洗涤和冷冻干燥，得到磁性壳聚糖/海泡石/腐殖酸复合微胶囊吸附材料。本发明制备工艺简单、条件可控，制得的磁性壳聚糖/海泡石/腐殖酸复合微胶囊吸附材料成本低廉且具有高吸附特性，适用于工业废水处理领域。 【EN】The invention discloses a preparation method and application of chitosan/sepiolite/humic acid composite microcapsules, which comprises the steps of preparing humic acid/sepiolite composite colloidal particle solution; preparing pickering emulsion taking humic acid/sepiolite composite colloidal particles as a stabilizer; dissolving chitosan in a dilute acetic acid solution to obtain a chitosan solution, adding the chitosan solution into the pickering emulsion under the action of mechanical stirring, stirring for 1h, collecting a reaction product, removing cyclohexane in the reaction product by using industrial ethanol, and performing magnetic separation, weak acid water washing, water washing and freeze drying on the product to obtain the magnetic chitosan/sepiolite/humic acid composite microcapsule adsorbing material. The preparation process is simple, the conditions are controllable, and the prepared magnetic chitosan/sepiolite/humic acid composite microcapsule adsorbing material is low in cost, has high adsorption characteristic and is suitable for the field of industrial wastewater treatment.

摘要：【中文】本发明涉及一种电池盒手柄结构的可溶性芯模的制作工艺和使用可溶性芯模的模具；制作可溶性芯模的材料包括：石英砂、PVP、PVA、水、空心玻璃微珠；石英砂为主要强度成分，PVP、PVA、水的混合液作为增塑剂，并添加空心玻璃微珠；制作工艺包括：1、配制可溶性芯模的增塑剂；2、将石英砂、空心玻璃微珠和增塑剂混合均匀；3、将可步骤2中得到的混合物浇注并充满在电池盒手柄结构的内腔内，并烘干固化；4、将步骤3中得到的产品用水浸泡或冲洗去除可溶性芯模，可溶性芯模溶解后得到电池盒手柄结构的内腔。本发明的原材料便宜、制备方便、可操作性强；产品耐高温且具有较高的强度。 【EN】The invention relates to a manufacturing process of a soluble core mould of a battery box handle structure and a mould using the soluble core mould; the soluble core mould is made of the following materials: quartz sand, PVP, PVA, water and hollow glass beads; quartz sand is used as a main strength component, a mixed solution of PVP, PVA and water is used as a plasticizer, and hollow glass beads are added; the manufacturing process comprises the following steps: 1. preparing a plasticizer of the soluble core mold; 2. uniformly mixing quartz sand, hollow glass beads and a plasticizer; 3. pouring and filling the mixture obtained in the step 2 into an inner cavity of a handle structure of the battery box, and drying and curing; 4. and (4) soaking or washing the product obtained in the step (3) by water to remove the soluble core mold, and dissolving the soluble core mold to obtain the inner cavity of the battery box handle structure. The raw materials are cheap, the preparation is convenient, and the operability is strong; the product is high temperature resistant and has high strength.