5results about How to "Reduce build" patented technology

The application discloses a kind of based on semi-supervised learning's shield machine tunneling parameter optimization prediction method and system, and relates to engineering construction control technical field.The method includes: data preprocessing and feature generation;Adopt multi-algorithm fusion to carry out geological clustering;Execute feature optimization and multi-model construction;Through the collaborative training in geological cluster, noise enhancement and iterative learning carry out semi-supervised enhancement;Based on comprehensive score selection optimal model;Uncertainty evaluation is output by using cluster center distance to carry out routing prediction.The application effectively solves the problems of poor data quality, label scarcity, geological distribution deviation and low calculation efficiency in shield construction, improves the accuracy, generalization ability and engineering applicability of tunneling parameter prediction.

The utility model relates to the field of machining cutters, in particular to an efficient heat dissipation type corn milling cutter which comprises a cutter head and a cutter handle which are arranged in a split mode and detachably connected, a spiral groove is formed in the cutter head, the cutter handle comprises a first handle column and a second handle column which are coaxially arranged, and a plurality of cooling fins are arranged between the first handle column and the second handle column in the circumferential direction at intervals; a liquid feeding chamber detachably connected to the tool apron is arranged at the position, opposite to the cooling fins, outside the tool handle, the interior of the liquid feeding chamber is hollow, the top of the liquid feeding chamber is open, the first handle column and the second handle column rotationally penetrate through the liquid feeding chamber, a liquid feeding hole communicated with the liquid feeding chamber is formed in the tool bit, and a plurality of liquid outlet holes communicated with the liquid feeding hole are formed in the position, opposite to the spiral groove, of the tool bit. The heat dissipation device has the advantages that the heat dissipation effect is improved, and heat accumulation is avoided.

The invention relates to a transportation system. The invention relates to an electromagnetic transport system (1) in the form of a long-stator linear or planar motor, having a fixed part or stator (2) consisting of at least two or more stator segments (21, 22, 2i), and at least one movable part or shuttle (3, 3i), the movable part or shuttle is movable relative to the stator (2) along a transport path. A magnet unit (4, 4i) is arranged on at least one shuttle (3, 3i), which interacts electromagnetically with a magnetic element arranged on the stator (2). In order to increase operational safety and enhanced safety functionality, in particular to provide user-interactive safety motion functionality in a simple and cost-effective manner, the transport system (1) comprises at least one conventional transport device (5, 5i) which replaces at least one of the stator segments (2i) along the transport path.

This invention provides a method and apparatus for calculating carbon emissions based on electricity consumption data, belonging to the field of carbon emission technology. The method includes: acquiring electricity consumption data and actual output of a target enterprise during the calculation period; inputting the electricity consumption data and actual output into a preset calculation model corresponding to the industry to which the target enterprise belongs, to obtain the proportion of the target enterprise's indirect carbon emissions in the total carbon emissions during the calculation period; acquiring the average power supply carbon emission factor of the region where the target enterprise is located; calculating the target enterprise's indirect carbon emissions during the calculation period based on the electricity consumption data and the average power supply carbon emission factor; and calculating the target enterprise's total carbon emissions during the calculation period based on the indirect carbon emissions and the proportion. This invention can improve the accuracy of carbon emission calculation for enterprises and accurately monitor their carbon emissions.

The utility model relates to the field of voltage transformer discloses a high altitude voltage transformer with protection structure, solved, dust particle concentration is high in air, easily adhere to the heat conduction plate surface extending to the outside, dust is accumulated on the heat conduction plate surface and forms the heat insulation layer, causes the heat exchange efficiency of heat conduction plate and air to drop substantially, may exceed the tolerance limit of insulating material, accelerates the insulation ageing, even causes the equipment failure seriously, influences the stable operation of power system's problem, a high altitude voltage transformer with protection structure, including base, the protection shell of fixed connection in base top, the voltage transformer main part of setting in the protection shell inboard, through the variable height track control periodic lifting movement of push plate of guide slot, synchronous completion heat dissipation plate surface dust removal and heat dissipation airflow guide, make the heat conduction coefficient of heat dissipation plate keep stable state, improve the heat dissipation effect.