2results about How to "Guarantee effectiveness" patented technology

This utility model relates to the field of natural gas transmission technology and discloses a skid-mounted outlet valve assembly for a natural gas station, including a skid-mounted platform, a support frame, a temperature control mechanism, and a conveying mechanism. The skid-mounted platform is fixedly connected to the support frame, and the conveying mechanism is laid on the support frame. The temperature control mechanism is fixedly connected to the skid-mounted platform, and the conveying mechanism is connected to the support frame. This utility model extends the heating end of the heating device into the interior of the water tank. In hot weather, to ensure the structural safety and normal operation of the device, a water pump draws water from inside the water tank through a pumping pipe and delivers it to the nozzles through a water supply pipe to cool the device and its surrounding environment. This prevents the sealing gaskets at the pipe valve connections from expanding due to excessive temperature, which could affect the sealing performance. Through multi-stage control of the inlet gate valve and the shut-off valve, the device can respond in case of abnormalities, avoiding accidents.

The application provides a database synchronization processing method and device, electronic equipment and storage medium, and relates to database technology and big data technology. The method comprises the following steps: obtaining metadata information of a source table in a source database and metadata information of a target table in a target database; checking consistency between a table structure of the source table and a table structure of the target table according to the metadata information of the source table and the metadata information of the target table; if the table structure of the source table is consistent with the table structure of the target table, querying a consumption offset record table corresponding to an operation record file of the source database to determine whether the table structure of the source table has changed; and if the table structure of the source table has not changed, synchronizing data of the source table to the target table. The application solves the problem that data synchronization cannot guarantee effectiveness and consumes high cost in the prior art.