Abstract: The present application discloses a power battery including a body and a wiring assembly including two groups of wiring piles respectively arranged at two sides of the body. The two groups of wiring piles are symmetrically arranged with respect to a central axis of the body, and each of the two groups of wiring piles includes a positive wiring post and a negative wiring post. The power battery can meet the requirements of different electrical apparatuses for positions of positive and negative wiring posts of the wiring pile so that the power battery with the same parameters is compatible with all the electrical apparatuses matched with the parameters, thereby enriching the use mode of the power battery and broadening the compatibility of the power battery.

Abstract: Described herein is a method for preparing acesulfame potassium, comprising: adding triethylamine to a sulfamic acid solution, and carrying out an amination reaction to produce a sulfamic acid ammonium salt solution; adding diketene to the obtained sulfamic acid ammonium salt solution, and under the action of a solid superacid catalyst, carrying out an acylation reaction to obtain an intermediate solution; dissolving sulfur trioxide in a solvent to form a cyclizing agent solution; adding the cyclizing agent solution to the intermediate solution, and carrying out a sulfonation cyclization reaction to obtain a cyclized product solution; adding a hydrolysis agent to the cyclized product solution, and carrying out a hydrolysis reaction to obtain a hydrolysis product solution; and adding a potassium hydroxide solution to the organic phase of the hydrolysis product solution to obtain acesulfame potassium.

Abstract: Described herein is a method for preparing acesulfame potassium, comprising: pressing an acetoacetamide-N-sulfonic acid triethylamine salt solution and a cyclizing agent solution into a Venturireactor via different inlets, mixing same at a mixing section and a diffusion section of the Venturireactor, and then injecting the obtained mixture into a flow reactor, wherein the cyclizing agent solution is formed by dissolving sulfur trioxide in a first organic solvent; subjecting the mixture passing through the flow reactor to a sulfonation cyclization reaction under the action of a supported solid base heterogeneous catalyst preset in the flow reactor, and entering the obtained sulfonated cyclized product into a hydrolysis reactor; subjecting the sulfonated cyclized product and a hydrolysis agent preset in the hydrolysis reactor to a hydrolysis reaction to obtain a hydrolysis product solution; and adding potassium hydroxide into an organic phase of the hydrolysate solution for a salt-forming reaction to obtain the

Abstract: The present invention relates to the technical field of network communications, and discloses a system optimizing method and apparatus. The system optimizing method comprises: judging whether programs running in the system meet a preset optimization rule; displaying programs that meet the preset optimization rule in a first class of a program list and displaying programs that do not meet the preset optimization rule in a second class of the program list, wherein states of the programs in the first class are selected by default and states of the programs in the second class are not selected by default; and performing optimization processing for programs in the program list whose states are selected according to a triggered optimization instruction, wherein the optimization instruction includes the states of the programs in the program list.

Abstract: The present invention relates to the technical field of network communications, and discloses a system optimizing method and apparatus. The system optimizing method comprises: judging whether programs running in the system meet a preset optimization rule; displaying programs that meet the preset optimization rule in a first class of a program list and displaying programs that do not meet the preset optimization rule in a second class of the program list, wherein states of the programs in the first class are selected by default and states of the programs in the second class are not selected by default; and performing optimization processing for programs in the program list whose states are selected according to a triggered optimization instruction, wherein the optimization instruction includes the states of the programs in the program list.

Abstract: Various embodiments are described herein for a track quality based multi-target tracker and an associated method. The method includes associating a measurement with a track, generating measurement association statistics for the track, generating and updating a track quality value for a track based on a measurement-to-track association likelihood, and updating track lists based on the track quality value and the measurement association statistics of the tracks in these lists. The tracker includes structure for carrying out this method.

Abstract: Various embodiments are described herein for a track quality based multi-target tracker and an associated method. The method includes associating a measurement with a track, generating measurement association statistics for the track, generating and updating a track quality value for a track based on a measurement-to-track association likelihood, and updating track lists based on the track quality value and the measurement association statistics of the tracks in these lists. The tracker includes structure for carrying out this method.