摘要：【中文】本发明公开了一种岩溶区地铁抗浮模拟装置及其抗浮水位模拟方法，包括定水头补给箱、主体模拟箱、定水头排泄箱，定水头补给箱、定水头排泄箱均通过管道与主体模拟箱相连通；主体模拟箱内设置有岩溶模拟管道、地铁站模拟箱体、地质条件模拟箱；其方法包括以下步骤：S1、令水流从补给出水口流出；S2、开启第二控制阀和第三控制阀，使水流进入岩溶模拟管道内，第一电磁流量计监控流量变化，并通过平模压力变送器监测压力信号；S3、定水头排泄箱中的水流稳定后，监测数据变化；S4、水流自然疏干，监测数据变化；S5、更改岩溶模拟管道、地质条件模拟箱的参数，重复步骤S1～S4，得到对比实验数据；S6、通过收集的数据绘制水流量与地铁抗浮水位关系线。 【EN】The invention discloses an anti-floating simulation device and an anti-floating water level simulation method for a karst area subway, which comprise a constant head supply tank, a main body simulation tank and a constant head drainage tank, wherein the constant head supply tank and the constant head drainage tank are communicated with the main body simulation tank through pipelines; a karst simulation pipeline, a subway station simulation box body and a geological condition simulation box are arranged in the main body simulation box; the method comprises the following steps: s1, making water flow out of the water supply outlet; s2, opening a second control valve and a third control valve to enable water flow to enter the karst simulation pipeline, monitoring flow change by a first electromagnetic flowmeter, and monitoring a pressure signal by a flat-die pressure transmitter; s3, monitoring data change after the water flow in the constant head drainage tank is stable; s4, naturally draining water flow, and monitoring data change; s5, changing parameters of the karst simulation pipeline and the geological condition simulation box, and repeating the steps S1-S4 to obtain comparison experiment data; and S6, drawing a relation line between water flow and the subway anti-floating water level through the collected data.

摘要：【中文】本申请实施例提供了一种T形臂组件、车辆转向装置及磁悬浮车辆，其中，T形臂组件包括：用于装配至车体上的连接轴套，所述连接轴套设置有沿垂向方向贯通的轴孔；转轴，穿设在所述轴孔内；轴承，设置在所述转轴与连接轴套之间；沿第一方向延伸的第一连接臂，所述第一连接臂的中部通过第一螺纹连接件与所述转轴相连；沿第二方向延伸的第二连接臂，所述第二连接臂的一端通过第二螺纹连接件与所述转轴相连。本申请实施例提供的T形臂组件、车辆转向装置及磁悬浮车辆能够解决已有方案中T形臂的应力变形较为严重的问题。 【EN】The embodiment of the application provides a T-shaped arm component, a vehicle steering device and a magnetic levitation vehicle, wherein the T-shaped arm component comprises: the connecting shaft sleeve is used for being assembled on a vehicle body and is provided with a shaft hole which is penetrated in the vertical direction; the rotating shaft is arranged in the shaft hole in a penetrating way; the bearing is arranged between the rotating shaft and the connecting shaft sleeve; the middle part of the first connecting arm is connected with the rotating shaft through a first threaded connecting piece; and one end of the second connecting arm is connected with the rotating shaft through a second threaded connecting piece. The T-shaped arm assembly, the vehicle steering device and the magnetic levitation vehicle provided by the embodiment of the application can solve the problem that the stress deformation of the T-shaped arm is serious in the existing scheme.

摘要：【中文】本公开提出了一种基于人体关节运动实时预测的目标识别方法及系统，以从RGB‑D图像中提取到的人体关节坐标信息为基础，基于多项式拟合算法与递推最小二乘算法，对后续人体关节未来一段时间的移动轨迹进行预测，预测人体目标的下一步的动作，计算出与人的运动自然同步的轨迹，根据预测结果提前进行路径规划，减少反应延时，从而实现及时避让，提高人机混合环境中人体的安全性，提高智能体的运行的高效性与安全性。 【EN】The method and the system predict the movement track of a follow-up human joint for a period of time in the future on the basis of human joint coordinate information extracted from an RGB-D image and based on a polynomial fitting algorithm and a recursive least square algorithm, predict the next step action of a human target, calculate the track naturally synchronous with the motion of a human, plan a path in advance according to the prediction result, reduce reaction delay, and accordingly timely avoid is achieved, the safety of the human body in a man-machine mixed environment is improved, and the high efficiency and the safety of the operation of an intelligent body are improved.

摘要：【中文】本发明公开了一种基岩裂隙‑岩溶管道双重介质水流交换试验装置，包括主体模型，主体模型内设置有数据采集组件；主体模型包括模型箱体，模型箱体内设置有第一岩溶管道、第二岩溶管道，第一岩溶管道、第二岩溶管道侧面均设置有第一水流交换孔，第一岩溶管道的两端穿出模型箱体侧壁后分别与第一定水头水箱、第一出口承压水箱相连通，第二岩溶管道的两端穿出模型箱体侧壁后分别与第二定水头水箱、第二出口承压水箱相连通；模型箱体内设置有若干个基岩裂隙模拟介质，相邻基岩裂隙模拟介质之间设置有裂缝间隙；数据采集组件包括水位采集器、流量采集器，水位采集器设置在模型箱体内，流量采集器设置在第一岩溶管道、第二岩溶管道上。 【EN】The invention discloses a bedrock fracture-karst pipeline dual-medium water flow exchange test device which comprises a main body model, wherein a data acquisition assembly is arranged in the main body model; the main body model comprises a model box body, a first karst pipeline and a second karst pipeline are arranged in the model box body, first water flow exchange holes are formed in the side surfaces of the first karst pipeline and the second karst pipeline, two ends of the first karst pipeline penetrate through the side wall of the model box body and are respectively communicated with a first fixed head water tank and a first outlet pressure-bearing water tank, and two ends of the second karst pipeline penetrate through the side wall of the model box body and are respectively communicated with a second fixed head water tank and a second outlet pressure-bearing water tank; a plurality of bedrock fracture simulation media are arranged in the model box body, and a fracture gap is formed between every two adjacent bedrock fracture simulation media; the data acquisition assembly comprises a water level collector and a flow collector, the water level collector is arranged in the model box, and the flow collector is arranged on the first karst pipeline and the second karst pipeline.

摘要：【中文】本发明公开了一种岩溶地下河系统的探测方法，包括以下步骤：S1、在碳酸盐岩地层与非碳酸盐岩地层呈夹层或互层的紧密褶皱地区，调查地层的展布情况；S2、在厚层碳酸盐岩的平缓褶皱区，调查控制岩溶地下河系统发育的断裂构造分布及发育特征；S3、利用线状分布的地表岩溶地貌和地下洞穴追踪岩溶地下河系统的管道发育位置，调查条形封闭洼地、串珠状洼地、天窗、干谷的排列方向及其高程从分水岭向排泄区递减分布的规律性；S4、利用地下水流速流向探测仪调查已有钻孔中地下水流向，划定岩溶地下河系统地下分水岭；S5、对岩溶地下河系统进行示踪调查，识别岩溶地下河系统中地下河管道的分布特点；S6、修建长期观察点监测地下河系统的水资源量。 【EN】The invention discloses a detection method of a karst underground river system, which comprises the following steps: s1, investigating the spreading condition of the stratum in a tight fold area where the carbonate stratum and the non-carbonate stratum are in an interlayer or interbedded state; s2, investigating and controlling fracture structure distribution and development characteristics of karst underground river system development in a gentle fold area of the thick-layer carbonate rock; s3, tracking the pipeline development position of a karst underground river system by utilizing linearly distributed surface karst landforms and underground caves, and investigating the arrangement directions and the elevation distribution regularity of strip-shaped closed depressions, bead-shaped depressions, skylights and dry valleys, wherein the arrangement directions and the elevations of the strip-shaped closed depressions, the bead-shaped depressions, the skylights and the dry valleys are gradually reduced from watershed to drainage area; s4, surveying the underground water flow direction in the existing drill hole by using an underground water flow speed and direction detector, and defining the underground watershed of the karst underground river system; s5, carrying out tracing investigation on the karst underground river system, and identifying the distribution characteristics of underground river pipelines in the karst underground river system; s6, building a long-term observation point to monitor the water resource amount of the underground river system.

摘要：【中文】本发明具体涉及一种改性纳米二氧化硅及其改性方法、防腐涂料和涂层，属于防腐涂料技术领域，本发明提供的一种改性纳米二氧化硅的方法，包括：将纳米二氧化硅与水混合，进行一次反应，获得一次反应物；取六甲基二硅氮烷和六甲基二硅氧烷，与无水溶剂混合，获得混合溶液；将所述第一反应物与所述混合溶液混合，进行二次反应，获得改性纳米二氧化硅；采用本发明实施例提供的改性纳米二氧化硅的方法制得的改性纳米二氧化硅，其具有优异的分散性及疏水性，可在多种有机溶剂中分散性良好，喷涂至碳钢表面后，涂层表面平整，提高陶瓷表面的耐腐蚀性。 【EN】The invention specifically relates to modified nano-silica and a modification method thereof, an anticorrosive coating and a coating, belonging to the technical field of anticorrosive coatings, and the invention provides a method for modifying nano-silica, which comprises the following steps: mixing nano silicon dioxide with water, and carrying out primary reaction to obtain a primary reactant; mixing hexamethyldisilazane and hexamethyldisiloxane with an anhydrous solvent to obtain a mixed solution; mixing the first reactant with the mixed solution, and carrying out secondary reaction to obtain modified nano silicon dioxide; the modified nano-silica prepared by the method for modifying nano-silica provided by the embodiment of the invention has excellent dispersibility and hydrophobicity, can be well dispersed in various organic solvents, and can be sprayed on the surface of carbon steel, so that the surface of a coating is flat, and the corrosion resistance of the surface of ceramic is improved.