摘要：【中文】本申请涉及一种检测柱体内壁缺陷的装置，包括：镜头，内部具有能够让光线通过的通道；光源；探管，一端连接在镜头的一端，另一端的内部设有光线偏折组件，探管一侧对齐光线偏折组件处设有开口；探管外部的光线能够从开口进入内部并经过光线偏折组件后沿通道轴线方向传输；光纤，光纤排布在探管内，一端连接光源，另一端从探管的开口边缘露出，以使光源发出的光能够沿光纤照射出；相机组件，连接在镜头的另一端，位于探管对侧，相机组件的拍摄方向对齐通道轴线方向。本发明的有益效果是：本发明解决了小直径、深度长柱体工件内壁图像难以获取的难题，适用于透明及不透明柱体内壁检测，提高生产线的自动化水平。 【EN】The application relates to a detect device of cylinder inner wall defect includes: the lens is internally provided with a channel through which light can pass; a light source; one end of the probe tube is connected with one end of the lens, a light deflection component is arranged inside the other end of the probe tube, and an opening is formed in one side of the probe tube, which is aligned with the light deflection component; light outside the probe tube can enter the interior from the opening and is transmitted along the axis direction of the channel after passing through the light deflection assembly; the optical fibers are arranged in the probe tube, one end of each optical fiber is connected with the light source, and the other end of each optical fiber is exposed out of the edge of the opening of the probe tube, so that light emitted by the light source can be irradiated out along the optical fibers; the camera assembly is connected to the other end of the lens and located on the opposite side of the probe tube, and the shooting direction of the camera assembly is aligned to the axis direction of the channel. The invention has the beneficial effects that: the invention solves the problem that the inner wall image of the small-diameter and deep long cylinder workpiece is difficult to obtain, is suitable for detecting the inner walls of transparent and non-transparent cylinders, and improves the automation level of a production line.

摘要：【中文】本发明实施例公开了一种基于区块链的数据访问控制方法、装置、设备和介质。其中，该方法包括：接收数据访问方发起的关于访问加密数据的数据访问事务请求，其中，加密数据的基础信息在区块链网络中处于公开访问状态；执行数据访问事务请求，以对数据访问方的访问权限进行验证；如果数据访问方的访问权限验证通过，则通知加密数据的数据所有方进行数据解密，以使得数据访问方访问解密后的数据。本发明实施例能够通过数据所有方对区块链中的存储数据进行加密，在数据访问方访问加密数据时，提供了访问权限验证，并通过控制数据访问方的访问权限，有效提高了区块链网络中存储数据的安全性。 【EN】The embodiment of the invention discloses a data access control method, a data access control device, data access control equipment and a data access control medium based on a block chain. Wherein, the method comprises the following steps: receiving a data access transaction request which is initiated by a data access party and is about to access encrypted data, wherein basic information of the encrypted data is in a public access state in a blockchain network; executing a data access transaction request to verify the access right of a data access party; and if the access right of the data access party passes the verification, informing the data owner of the encrypted data to decrypt the data so that the data access party accesses the decrypted data. The embodiment of the invention can encrypt the stored data in the block chain through the data owner, provides the access authority verification when the data access party accesses the encrypted data, and effectively improves the safety of the stored data in the block chain network by controlling the access authority of the data access party.

摘要：【中文】本发明公开了一种装配式建筑用钢筋灌浆套筒以及施工方法，包括连接套筒、灌浆套筒、注浆管、插接件以及压紧组件，连接套筒的端壁上设有供连接钢筋插入的通孔，连接套筒的侧壁上设有与通孔连通的出浆管，出浆管远离连接套筒的一端穿出预制墙体；灌浆套筒的端壁上设有供预留钢筋插入的灌浆通道，灌浆通道与通孔连通设置，灌浆通道的内径由靠近通孔的一侧向远离通孔的一侧递增，灌浆套筒的侧壁上设有与灌浆通道连通设置的注浆口，注浆管的一端穿过预制墙体、另一端穿入注浆口，压紧组件可拆卸设置在灌浆套筒远离连接套筒的一端，注浆管和出浆管内设有密封塞；以此可以将偏斜的钢筋套入灌浆套筒中，方便安装预制墙体。 【EN】The invention discloses a steel bar grouting sleeve for an assembly type building and a construction method, wherein the steel bar grouting sleeve comprises a connecting sleeve, a grouting pipe, a plug connector and a pressing assembly, a through hole for inserting a connecting steel bar is formed in the end wall of the connecting sleeve, a grout outlet pipe communicated with the through hole is formed in the side wall of the connecting sleeve, and one end, far away from the connecting sleeve, of the grout outlet pipe penetrates out of a prefabricated wall; a grouting channel for inserting reserved steel bars is arranged on the end wall of the grouting sleeve, the grouting channel is communicated with the through hole, the inner diameter of the grouting channel is gradually increased from one side close to the through hole to one side far away from the through hole, a grouting port communicated with the grouting channel is arranged on the side wall of the grouting sleeve, one end of a grouting pipe penetrates through the prefabricated wall body, the other end of the grouting pipe penetrates into the grouting port, a pressing assembly is detachably arranged at one end, far away from the connecting sleeve, of the grouting sleeve, and sealing plugs are arranged in the grouting pipe and the grout outlet pipe; therefore, the inclined steel bars can be sleeved into the grouting sleeve, and the prefabricated wall is convenient to install.

摘要：【中文】本发明涉及混凝土生产领域的一种混凝土生产系统，旨在解决混凝土生产效率的问题，其包括骨料称量装置和骨料运输装置、粉料储存装置和粉料称量装置、水料储存装置和水料称量装置，所述骨料运输装置、粉料称量装置、水料称量装置连接有混凝土搅拌装置，所述混凝土搅拌装置包括支架，所述支架上设有固定轴，所述固定轴周向固定连接有至少三个混凝土搅拌罐，所述混凝土搅拌罐上设有进料口和出料口，所述固定轴与支架转动连接，所述支架上设有驱动固定轴绕轴心转动的驱动装置。本发明具有提高混凝土生产效率的效果。 【EN】The invention relates to a concrete production system in the field of concrete production, which aims to solve the problem of concrete production efficiency and comprises an aggregate weighing device, an aggregate transporting device, a powder storage device, a powder weighing device, a water storage device and a water weighing device, wherein the aggregate transporting device, the powder weighing device and the water weighing device are connected with a concrete stirring device, the concrete stirring device comprises a support, a fixed shaft is arranged on the support, at least three concrete stirring tanks are circumferentially and fixedly connected with the fixed shaft, a feed inlet and a discharge outlet are formed in each concrete stirring tank, the fixed shaft is rotatably connected with the support, and a driving device for driving the fixed shaft to rotate around an axis is arranged on the support. The invention has the effect of improving the production efficiency of concrete.

摘要：【中文】一种AgZrB₂电触头材料，包括以下组分：Ag粉末88wt.％～98wt.％；ZrB₂粉末2wt.％～12wt.％；一种AgZrB₂电触头材料的制备方法，包括以下步骤：步骤1，按Ag与ZrB₂质量比为88～98wt.％和2～12wt.％称量好的Ag、ZrB₂粉末在行星式球磨机中混粉，分别添加无水乙醇和聚乙烯吡咯烷酮作为过程控制剂和分散剂；步骤2，将预先球磨粉末在三维振动混粉机上再次混粉；步骤3，将混合后的粉末置于放电等离子烧结炉中烧结，对炉内抽真空，加热升温，保温，随后炉冷到室温，即可获得AgZrB₂触头材料。 【EN】AgZrB₂An electrical contact material comprising the following components: 88 wt.% to 98 wt.% of Ag powder; ZrB₂Powder 2 wt.% to 12 wt.%; AgZrB₂The preparation method of the electrical contact material comprises the following steps: step 1, according to Ag and ZrB₂Ag and ZrB weighed in a mass ratio of 88-98 wt.% to 2-12 wt%₂Mixing the powder in a planetary ball mill, and respectively adding anhydrous ethanol and polyvinylpyrrolidone as a process control agent and a dispersing agent; step 2, mixing the ball-milled powder on a three-dimensional vibration powder mixer again; and 3, placing the mixed powder into a discharge plasma sintering furnace for sintering, vacuumizing the furnace, heating, keeping the temperature, and then cooling the furnace to room temperature to obtain the AgZrB₂A contact material.

摘要：【中文】本发明公开了一种抗材料转移性能优异的AgZrB₂‑Gr触头材料及其制备方法，由以下组分组成：Ag 88.5～97.95wt.％；ZrB₂ 2.0～10.0wt.％；Gr 0.05～1.5wt.％；该制备方法为：按照AgZrB₂‑Gr触头材料的成分配比计算所需Ag粉、Gr粉和ZrB₂粉用量，称取备用；将称量好的ZrB₂、Gr粉末在行星式球磨机中混粉；向行星式球磨机中再加入称量好的Ag粉继续混粉，并加入过程控制剂和分散剂；将球磨后的粉末在三维振动混粉机上再次混粉；将混合后的粉末置于放电等离子烧结炉中烧结，随后炉冷到室温，即可得到AgZrB₂‑Gr触头材料。具有抗材料转移性能，同时具备优良的抗侵蚀性和抗熔焊性等电气性能。 【EN】The invention discloses AgZrB with excellent material transfer resistance₂-Gr contact material and a preparation method thereof, consisting of the following components: 88.5-97.95 wt.% Ag; ZrB₂2.0-10.0 wt.%; 0.05-1.5 wt.% Gr; the preparation method comprises the following steps: according to AgZrB₂Calculating the component proportion of Ag powder, Gr powder and ZrB required by the calculation of the Gr contact material₂Weighing the powder for later use; weighing ZrB₂Mixing the Gr powder in a planetary ball mill; adding the weighed Ag powder into the planetary ball mill, continuously mixing the Ag powder, and adding a process control agent and a dispersing agent; mixing the ball-milled powder on a three-dimensional vibrating powder mixer again; mixing the powdersSintering in a spark plasma sintering furnace, and cooling to room temperature to obtain AgZrB₂-Gr contact material. Has the performance of resisting material transfer, and simultaneously has excellent electrical properties such as erosion resistance, fusion welding resistance and the like.

摘要：【中文】本发明公开了一种FRP筋部分钢纤维增强混凝土梁及其制备方法，所述FRP筋部分钢纤维增强混凝土梁包含：由部分FRP筋和部分钢筋构成的复合筋笼以及填充浇筑在复合筋笼下部受拉区的普通混凝土和填充浇筑在复合筋笼上部受压区的钢纤维混凝土，且普通混凝土完全包裹住复合筋笼下部受拉区，钢纤维混凝土完全包裹住复合筋笼上部受压区。所述制备方法包含：1)复合筋笼及梁模具制作；2)普通混凝土制备、浇筑、振捣密实；3)钢纤维混凝土制备、浇筑、振捣密实；4)梁模具拆除、梁养护。本发明的优点有：结构简单，制备成本低，可提高梁受压区边缘混凝土的极限压应变和提高梁的极限承载力和延性，并能充分发挥并利用FRP和钢纤维的增强增韧作用。 【EN】The invention discloses an FRP rib part steel fiber reinforced concrete beam and a preparation method thereof, wherein the FRP rib part steel fiber reinforced concrete beam comprises the following components: the composite reinforcement cage comprises a composite reinforcement cage consisting of partial FRP reinforcements and partial reinforcements, common concrete filled and poured in a tension area at the lower part of the composite reinforcement cage, and steel fiber concrete filled and poured in a compression area at the upper part of the composite reinforcement cage, wherein the common concrete completely wraps the tension area at the lower part of the composite reinforcement cage, and the steel fiber concrete completely wraps the compression area at the upper part of the composite reinforcement cage. The preparation method comprises the following steps: 1) manufacturing a composite reinforcement cage and a beam mold; 2) preparing, pouring and vibrating common concrete to be compact; 3) preparing, pouring and vibrating steel fiber concrete to be compact; 4) and (5) dismantling the beam mould and maintaining the beam. The invention has the advantages that: the structure is simple, the preparation cost is low, the ultimate compressive strain of the concrete at the edge of the pressed area of the beam can be improved, the ultimate bearing capacity and the ductility of the beam can be improved, and the reinforcing and toughening effects of FRP and steel fiber can be fully exerted and utilized.

摘要：【中文】本发明属于食品加工技术领域，公开了一种防褐变柠檬干片及其制备方法。该方法包括以下步骤：将柠檬鲜果清洗干净，切除果蒂，切成薄片；把柠檬果片加入到浸泡液中；加热至48～55℃热烫柠檬果片2～3h；热烫后保留柠檬果片在浸泡液中，转入到超声波机中，设置功率为250～300W，超声处理柠檬果片18～25min；再浸到海藻糖中2～5min，取出沥干；将柠檬果片铺排进行预干燥；然后进行真空干燥，再自然冷却至常温；真空或充氮包装后得到防褐变柠檬干片。将本发明方法制备得到的柠檬干片在25℃的条件下贮藏，并测定色差值和感官变化。贮藏时间在120d内，颜色保持较好，与鲜果相比，其色差值不存在显著差异。 【EN】The invention belongs to the technical field of food processing, and discloses an anti-browning dried lemon slice and a preparation method thereof. The method comprises the following steps: cleaning fresh lemon, cutting off pedicel, and slicing; adding the lemon fruit slices into the soaking solution; heating to 48-55 ℃ to blanching the lemon slices for 2-3 h; keeping the lemon slices in the soaking solution after blanching, transferring the lemon slices into an ultrasonic machine, setting the power to be 250-300W, and ultrasonically treating the lemon slices for 18-25 min; soaking in trehalose for 2-5 min, taking out and draining; laying lemon fruit slices for pre-drying; then vacuum drying is carried out, and then natural cooling is carried out to the normal temperature; and (5) packaging in vacuum or nitrogen filled to obtain the anti-browning lemon dry slices. The dried lemon slices prepared by the method are stored at 25 ℃, and the color difference value and the sensory change are measured. The color is kept better within 120 days of storage time, and the color difference value of the fresh fruit is not obviously different.

摘要：【中文】本公开提供了一种用于车轴发电的铁路冷藏车监控系统及方法，包括中央控制器、制冷机组以及布置在各个冷藏箱内侧和外侧的温湿度传感器，所述中央控制器根据接收到的各个冷藏箱内外的温湿度值以及车轴发电和市电供电情况，实时控制制冷机组的工作状态，使得各个冷藏箱内温湿度维持在预设阈值范围内；本公开满足了车轴轴端和轴间发电的铁路冷藏车的控制需求，根据发电机和市电网络电力提供情况以及冷藏厢内货物要求情况实施调整制冷机组的运转状态，保证了货厢内部温度始终满足运输货物的制冷需求。 【EN】The central controller controls the working state of the refrigerating unit in real time according to the received temperature and humidity values inside and outside each refrigerating box and the conditions of axle power generation and mains supply, so that the temperature and humidity in each refrigerating box are maintained within a preset threshold range; the control requirement of the railway refrigerator car for generating electricity between the axle shaft end and the axle is met, the running state of the refrigerating unit is adjusted according to the electricity supply condition of the generator and the commercial power network and the requirement condition of goods in the refrigerator compartment, and the refrigeration requirement of transporting goods is met by the internal temperature of the goods compartment all the time.

摘要：【中文】本申请涉及一种异步电机运行参数测量方法、装置、计算机设备和存储介质。方法包括：针对异步电机，构建包括未知模型参数的初始电机模型；对异步电机进行多次带负载测试，确定异步电机的最优定子铁损系数、每次测试得到的磁通量转差关系参数的参数值、以及输出转矩；分别将每次测试的磁通量转差关系参数的参数值和输出转矩，带入初始电机模型中，得到初始电机模型中未知模型参数的模型参数值；将模型参数值代入初始电机模型中，得到最终的电机模型；获取异步电机运行过程中的实时电压和实时电流，并根据实时电压、实时电流、最优定子铁损系数和电机模型，得到异步电机的运行参数。采用本方法能够准确测量异步电机运行参数。 【EN】The application relates to an asynchronous motor operation parameter measuring method, an asynchronous motor operation parameter measuring device, computer equipment and a storage medium. The method comprises the following steps: aiming at an asynchronous motor, constructing an initial motor model comprising unknown model parameters; carrying out multiple on-load tests on the asynchronous motor, and determining the optimal stator iron loss coefficient of the asynchronous motor, the parameter value of the magnetic flux slip relation parameter obtained by each test and the output torque; respectively bringing the parameter value and the output torque of the magnetic flux slip relation parameter tested each time into an initial motor model to obtain the model parameter value of the unknown model parameter in the initial motor model; substituting the model parameter values into the initial motor model to obtain a final motor model; and acquiring real-time voltage and real-time current in the running process of the asynchronous motor, and obtaining running parameters of the asynchronous motor according to the real-time voltage, the real-time current, the optimal stator iron loss coefficient and the motor model. The method can accurately measure the running parameters of the asynchronous motor.