Abstract: A pair of crimping pliers is provided. The crimping pliers include a large handle, a small handle, a connecting rod, and a clamp fixing plate that form a hinged four-rod mechanism. Two ends of the connecting rod are connected between a rear part of the large handle and a rear part of the small handle. The clamp fixing plate is connected between a front part of the large handle and a front part of the small handle. A rear part of the connecting rod is bent and extends towards a tail end of the large handle, thereby extending a force arm. A first returning spring is connected between a back side of a bent part of the clamp fixing plate and the large handle. A pawl is rotatable and installed at the large handle. The pawl matches and meshes with outer pawl teeth of the clamp fixing plate.

Abstract: The present disclosure provides crimping pliers, comprising: a first plier member, a second plier member, a limiting component, a first crimping module, a second crimping module; the first plier member comprises a first clamping part and a first handle connected with the first clamping part; the second plier member comprises a second clamping part, a connecting member and a second handle; the limiting component is provided between the first handle and the second handle; the first crimping module is detachably disposed in the first clamping gap at the jaw of the first clamping part and is adsorbed by the first magnetic member. By detachably disposing the crimping module at the pliers and adsorbing and fixing it through magnetic components, the structure is more streamlined and the crimping module can be disassembled and replaced more quickly.

Abstract: An integrated two-phase anaerobic dry fermentation reactor based on a biomimetic principle of rumen includes a reactor body; wherein the reactor body includes a dry fermentation chamber, a secondary fermentation chamber, and a liquid storage chamber. The dry fermentation chamber is arranged at an upper portion of the reactor body. The liquid storage chamber is arranged at a bottom of the reactor body. The secondary fermentation chamber is arranged between the dry fermentation chamber and the liquid storage chamber in the reactor body. The dry fermentation chamber is connected to the secondary fermentation chamber by a porous structure.

Abstract: The present disclosure relates to the technical field of data processing, and in particular to a method and a system for assessing drug use in children, and a computing device. The method includes: building a rational drug use (RDU) assessment model for clinical drug use in children; acquiring clinical drug use data of children and extracting classification information therefrom; according to the classification information, importing the clinical drug use data of children correspondingly into the RDU assessment model for data comparison to obtain comparison results; and summarizing all comparison results according to the classification information to generate rationality assessment results for clinical drug use in children. The present disclosure can effectively improve the efficiency of rationality assessment for clinical drug use in children, so as to realize the monitoring of clinical drug use in children.

Abstract: A multi-objective optimization method for groundwater pollution monitoring network, which mainly includes four steps: groundwater numerical value simulation, groundwater vulnerability assessment, the establishment of the monitoring network optimization model, and the solving of the optimization model. The core of the method is to establish a multi-objective optimization model aimed at establishing the least monitoring wells, monitoring the maximum pollutant concentration, and monitoring the maximum regional vulnerability value. Solving the optimization model by the algorithm and considering the relationship between the quality error and the number of monitoring wells comprehensively to determine the well number and location of the monitoring network.

Abstract: A multi-objective optimization method for groundwater pollution monitoring network, which mainly includes four steps: groundwater numerical value simulation, groundwater vulnerability assessment, the establishment of the monitoring network optimization model, and the solving of the optimization model. The core of the method is to establish a multi-objective optimization model aimed at establishing the least monitoring wells, monitoring the maximum pollutant concentration, and monitoring the maximum regional vulnerability value. Solving the optimization model by the algorithm and considering the relationship between the quality error and the number of monitoring wells comprehensively to determine the well number and location of the monitoring network.

Abstract: An integrated two-phase anaerobic dry fermentation reactor based on a biomimetic principle of rumen includes a reactor body; wherein the reactor body includes a dry fermentation chamber, a secondary fermentation chamber, and a liquid storage chamber. The dry fermentation chamber is arranged at an upper portion of the reactor body. The liquid storage chamber is arranged at a bottom of the reactor body. The secondary fermentation chamber is arranged between the dry fermentation chamber and the liquid storage chamber in the reactor body. The dry fermentation chamber is connected to the secondary fermentation chamber by a porous structure.

Abstract: A filter mechanism comprises a plurality of coaxially arranged filter rolls each having a multitude of uniformly distributed filtering pores for retaining impurity particles in water, when it is mounted within a water filter. The filter rolls are made of a selected antirust material and therefore can be cleaned and reused once the filtering effect is deteriorating, so that the cost of maintenance and the pollution to the environment can be significantly reduced.