摘要：【中文】本发明涉及一种使SiC芯片激光划片后背面金属整齐分离的方法，S1：在SiC外延片上完成SiC芯片的制备，SiC芯片的背面金属层为复合金属层，芯片正面各个管芯之间存在划片道；S2：将SiC芯片贴到划片膜上，芯片正面与划片膜紧密接触,划片膜绷紧置于划片框上；S3:测量SiC芯片和划片膜的总厚度；S4:在SiC芯片与正面划片道位置对应的背面金属层上，制作一个贯穿整个表面金属层的缺口，使得复合金属层整齐断开；S5:对芯片进行激光划片和裂片，将芯片分开。本发明利用砂轮刀片、激光烧蚀、金属腐蚀液的方法预先去除SiC芯片正面划片道对应的背面金属层，使利用激光划片后的SiC芯片可以整齐分离，背面金属不会发生撕扯，降低SiC芯片的损伤，避免因金属撕扯导致性能损失。 【EN】The invention relates to a method for orderly separating back surface metals of a SiC chip laser scribing, which comprises the following steps of S1: finishing the preparation of the SiC chip on the SiC epitaxial wafer, wherein a metal layer on the back surface of the SiC chip is a composite metal layer, and scribing channels are arranged among the tube cores on the front surface of the chip; s2: attaching the SiC chip to a scribing film, wherein the front surface of the chip is tightly contacted with the scribing film, and the scribing film is tightly arranged on a scribing frame; s3, measuring the total thickness of the SiC chip and the scribing film; s4, manufacturing a notch penetrating through the whole surface metal layer on the back metal layer of the SiC chip corresponding to the front scribing way, so that the composite metal layer is cut off regularly; and S5, carrying out laser scribing and splitting on the chip to separate the chip. According to the invention, the back metal layer corresponding to the front scribing channel of the SiC chip is removed in advance by using a grinding wheel blade, laser ablation and metal corrosive liquid, so that the SiC chip scribed by using laser can be separated orderly, the back metal cannot be torn, the damage of the SiC chip is reduced, and the performance loss caused by metal tearing is avoided.

摘要：【中文】本发明公开了一种三维半导体存储器件，其可以包括：第一堆叠块，包括在基板上在第一方向上布置的第一堆叠；第二堆叠块，包括在基板上在第一方向上布置的第二堆叠；以及分离结构，设置在基板上在第一堆叠块和第二堆叠块之间。分离结构可以包括第一模层和第二模层，其在垂直于基板的顶表面的垂直方向上堆叠。 【EN】The invention discloses a three-dimensional semiconductor memory device, which may include: a first stack block including a first stack arranged in a first direction on a substrate; a second stack block including a second stack arranged in the first direction on the substrate; and a separation structure disposed on the substrate between the first stacking block and the second stacking block. The separation structure may include a first mold layer and a second mold layer stacked in a vertical direction perpendicular to a top surface of the substrate.

摘要：【中文】本申请实施例提供了一种机电作动器及机电伺服系统。机电作动器包括伺服电机，壳体和设置在壳体内的器件，设置在壳体内的器件包括：滚珠丝杠螺母，伺服电机的转子轴通过平键与滚珠丝杠螺母连接；滚珠丝杠与滚珠丝杠螺母间以钢球为滚动体连接，且滚珠丝杠从壳体的前端盖处伸出；伺服电机的转子轴远离滚珠丝杠的后端设置有机械位置调整部件，机械位置调整部件用于在伺服电机停止通电控制时，通过旋转机械位置调整部件带动转子轴旋转，进而带动滚珠丝杠螺母随之旋转，滚珠丝杠螺母旋转带动滚珠丝杠沿转子轴的轴向伸缩。机电伺服系统包括上述机电作动器。本申请实施例解决了传统的机电作动器的冷态零位安装长度仅仅通过调整螺栓头组件调节的技术问题。 【EN】The embodiment of the application provides an electromechanical actuator and an electromechanical servo system. Electromechanical actuator includes servo motor, casing and the device of setting in the casing, and the device of setting in the casing includes: the rotor shaft of the servo motor is connected with the ball screw nut through a flat key; the ball screw is connected with the ball screw nut by taking a steel ball as a rolling body, and the ball screw extends out of the front end cover of the shell; the rear end of a rotor shaft of the servo motor, which is far away from the ball screw, is provided with a mechanical position adjusting part, the mechanical position adjusting part is used for driving the rotor shaft to rotate through rotating the mechanical position adjusting part when the servo motor stops power-on control, and then driving the ball screw nut to rotate along with the rotor shaft, and the ball screw nut rotates to drive the ball screw to stretch along the axial direction of the rotor shaft. The electromechanical servo system comprises the electromechanical actuator. The technical problem that the cold zero installation length of a traditional electromechanical actuator is adjusted only by adjusting the bolt head assembly is solved.

摘要：【中文】本发明公开了一种控制出钢口管砖长度提高出钢率的方法，在转炉一个炉役内更换出钢口管砖时，根据炉内耐火砖侵蚀情况，降低出钢口管砖长度，以保持管砖在转炉内侧和耐火砖持平。本发明的方法能够提高出钢率，降低成本。 【EN】The invention discloses a method for controlling the length of a tubular brick at a steel-tapping hole and improving the steel-tapping rate. The method can improve the tapping rate and reduce the cost.

摘要：【中文】一种养护洒水装置，包括轨道机构、洒水机构、水箱和检测机构；轨道机构铺设在待洒水位置，轨道机构上设置水箱，水箱上设置洒水机构，检测机构设置在水箱底部；本发明对需要养护的半刚性路面，进行持续性洒水，其进行一段时间的养护，能实现精确的供水，不会造成洒水过量或是缺水的问题，给现场路面养护提供好的解决方案。 【EN】A maintenance watering device comprises a track mechanism, a watering mechanism, a water tank and a detection mechanism; the track mechanism is laid at a position to be sprinkled with water, a water tank is arranged on the track mechanism, a sprinkling mechanism is arranged on the water tank, and a detection mechanism is arranged at the bottom of the water tank; the invention continuously sprays water to the semi-rigid pavement to be maintained, and maintains the semi-rigid pavement for a period of time, thereby realizing accurate water supply, avoiding the problem of excessive water spraying or water shortage and providing a good solution for on-site pavement maintenance.

摘要：【中文】本发明公开了一种用于城镇污水的旋流沉砂池，涉及污水处理技术领域，包括池体，池体分为分选区、集砂区，还包括设置在池体上的池盖、搅拌筒和气提装置；所述搅拌筒上端与池盖下方转动连接，所述搅拌筒远离池盖的一端的侧壁上设置有沿搅拌筒外侧壁螺旋向下延伸的螺旋叶片；所述气提装置包括三相分离器、气提管和与气提管连通的进气管；所述分选区上设置有进水口和出水口，所述进水口形成的水流方向与螺旋桨的叶片边沿水平相切；所述进水口设置在分选区靠近池盖的一端。本发明利用水流推动螺旋叶片旋转在沉砂池内形成涡流，无需另加驱动螺旋叶片转动的电动机和变速箱，且螺旋叶片竖直螺旋向下，不易在集砂区形成二次涡流，卷起沉积在集砂区的砂石。 【EN】The invention discloses a rotational flow grit chamber for town sewage, which relates to the technical field of sewage treatment and comprises a chamber body, a chamber cover, a mixing drum and a gas stripping device, wherein the chamber body is divided into a sorting area and a sand collecting area; the upper end of the mixing drum is rotatably connected with the lower part of the tank cover, and the side wall of one end of the mixing drum far away from the tank cover is provided with a helical blade which extends downwards along the outer side wall of the mixing drum in a helical manner; the gas stripping device comprises a three-phase separator, a gas stripping pipe and a gas inlet pipe communicated with the gas stripping pipe; a water inlet and a water outlet are arranged on the sorting area, and the direction of water flow formed by the water inlet is horizontally tangent to the edge of the blade of the propeller; the water inlet is arranged at one end of the separation area close to the tank cover. According to the invention, the spiral blades are pushed to rotate by water flow to form vortex in the grit chamber, a motor and a gearbox for driving the spiral blades to rotate are not required to be additionally arranged, and the spiral blades vertically and spirally downwards do not easily form secondary vortex in the sand collection area to roll up sand deposited in the sand collection area.

摘要：【中文】本发明公开了一种冶炼Mo钢的方法，采用含Mo废钢作为转炉废钢添加料，含Mo废钢包括Mo钢铸坯头尾切料、包内余钢等，使含Mo废钢归类使用。相对Fe元素而言，Mo元素属于不氧化元素，可在转炉冶炼过程直接添加，提高钢水初始含Mo量，降低Mo料的添加量，实现低成本冶炼Mo钢。 【EN】The invention discloses a method for smelting Mo steel, which adopts Mo-containing waste steel as a converter waste steel additive, wherein the Mo-containing waste steel comprises Mo steel casting blank head and tail cutting materials, ladle residual steel and the like, and the Mo-containing waste steel is classified for use. Compared with Fe element, Mo element belongs to non-oxidation element, and can be directly added in the smelting process of the converter, so that the initial Mo content of the molten steel is improved, the addition amount of Mo material is reduced, and the Mo steel can be smelted at low cost.

摘要：【中文】本发明公开了一种冶炼含Cu钢的方法，采用含Cu废钢作为转炉废钢添加料，含Cu废钢包括Cu钢铸坯头尾切料、包内余钢等，使含Cu废钢归类使用。相对Fe元素而言，Cu元素属于不氧化元素，可在转炉冶炼过程直接添加，提高钢水初始含Cu量，降低Cu板原料的添加量，实现低成本冶炼含Cu钢。 【EN】The invention discloses a method for smelting Cu-containing steel, which adopts Cu-containing steel scraps as converter steel scrap additives, wherein the Cu-containing steel scraps comprise Cu steel casting blank head and tail cutting materials, ladle residual steel and the like, and the Cu-containing steel scraps are classified for use. Compared with Fe element, Cu element belongs to non-oxidizing element and can be directly added in the smelting process of the converter, so that the initial Cu content of the molten steel is improved, the addition amount of the Cu plate raw material is reduced, and the Cu-containing steel can be smelted at low cost.

摘要：【中文】本发明公开了一种高性能复合氧化锆粉体的制备方法，包括以下微晶诱导沉淀：将配置好的氯氧化锆溶液加入到反应器中，同时加入氧化锆微晶和分散剂，反应器的温度控制在50～80℃，恒温搅拌均匀后向反应器中缓慢加入8～12wt％的氨水，待体系的pH值达到3～4以后，再按照复合氧化锆中元素的摩尔百分比向反应器中加入配置好的氯化钇溶液，继续恒温搅拌并添加氨水直至体系的pH值达到10～11，结束投料，继续保温搅拌待其完全反应后，再沉化制得沉淀产物；离心洗涤沉降；纳米磨分散；干燥；煅烧稳定；砂磨成品。本发明制得的粉末纯度高、粒度可控且分布均匀、结晶度高、性能优良，因此其陶瓷制品的烧结温度相比现有技术下降明显，同时陶瓷制品的透度明显提高。 【EN】The invention discloses a preparation method of high-performance composite zirconia powder, which comprises the following steps of microcrystal induced precipitation: adding the prepared zirconium oxychloride solution into a reactor, adding zirconium oxide microcrystals and a dispersing agent simultaneously, controlling the temperature of the reactor at 50-80 ℃, uniformly stirring at a constant temperature, slowly adding 8-12 wt% of ammonia water into the reactor, adding the prepared yttrium chloride solution into the reactor according to the mole percentage of elements in the composite zirconium oxide after the pH value of the system reaches 3-4, continuously stirring at the constant temperature, adding the ammonia water until the pH value of the system reaches 10-11, finishing feeding, continuously stirring at the constant temperature, reacting completely, and then re-solidifying to obtain a precipitate; centrifuging, washing and settling; dispersing by a nanometer mill; drying; calcining and stabilizing; and (5) sanding to obtain a finished product. The powder prepared by the invention has high purity, controllable granularity, uniform distribution, high crystallinity and excellent performance, so that the sintering temperature of the ceramic product is obviously reduced compared with the prior art, and meanwhile, the transparency of the ceramic product is obviously improved.

摘要：【中文】本发明公开一种基于定理证明的形式化验证方法，应用于安全操作系统领域，针对现有的操作系统存在的安全性问题，本发明基于定理证明的形式化验证方法，包括：对源代码重构、对函数进行形式化建模、对函数进行定理描述、最后进行形式化证明；本发明采用人机交互的半自动化证明，利用类型系统和逻辑之间的同构关系，将构造证明的过程转化为编写程序的过程，而证明的正确性检查也变成了类型检查问题，尽管需要大量手工劳动来构造证明，但是本发明提出的方法无需牺牲规约和代码的表达能力，特别是程序中可以使用表达能力很强的逻辑来表示，且证明自身在机器中都有显示表示，其正确性可以被自动检查，验证的结论也就更加可信。 【EN】The invention discloses a formal verification method based on theorem proving, which is applied to the field of safe operating systems and aims at solving the safety problem of the existing operating systems, and comprises the following steps: reconstructing a source code, performing formal modeling on a function, performing theorem description on the function, and finally performing formal certification; the invention adopts semi-automatic proof of human-computer interaction, and utilizes isomorphic relation between type system and logic to convert the process of constructing proof into the process of writing program, and the correctness check of proof also becomes the problem of type check.