We conducted a retrospective study of 36 cases of ameloblastoma from the files of Mittaphap Hospital in Vientiane Capital, Laos. Clinical findings showed an average patient age of 31.0 ± 3.8 years, with a slight male preponderance. Radiographically, all of the lesions showed multicystic radiotranslucency. Twenty-four patients underwent tumor resection and 12 underwent tumor enucleation. Of thos...

A spatially and temporally realistic simulation of Escherichia coli chemotaxis was used to investigate the swimming patterns of wild-type and mutant bacteria within a rectangular arena in response to chemoattractant gradients. Swimming dynamics were analysed during long time series with phase-space trajectories, power spectra and estimations of fractal dimensions (FDs). Cell movement displayed ...

This article considers those monoids S satisfying one or both of the finitary properties (R) and (r), focussing for the most part on inverse monoids. These properties arise from questions of axiomatisability of classes of S-acts, and appear to be of interest in their own right. If S weakly right noetherian (WRN), that is, S has the ascending chain condition on right ideals, then certainly (r) h...

The purpose of this study is to analyze the behavior some industrial systems in light cost-free warranty policy. According policy, we assume that repairman not always present system. When active unit fails, will be called visit system; however, administrative procedures may delay for time. Once on system, first inspects whether fault caused by user or and it repairable not. product laws, carrie...

We are given a set of points p 1 ;. .. ; p n and a symmetric distance matrix (d ij) giving the distance between p i and p j. We wish to construct a tour that minimizes P n i=1`(i), wherè(i) is the latency of p i , deened to be the distance traveled before rst visiting p i. This problem is also known in the literature as the delivery-man problem or the traveling repairman problem. It arises in a...

The working face is the most dangerous place of coal mines, and it difficult (even impossible) to replenish energy by replacing batteries sensor nodes in faces. This paper presents a wireless charging method for this scenario that composed two sub methods called mining maintaining charging, respectively. Mining provides opportunistic services during process cutting through airborne Mobile Charg...

A deteriorating cold standby repairable system consisting of two dissimilar components and one repairman is studied in this paper. Suppose that the life of each component satisfies the exponentially distribution and repair time of the component satisfies the general distribution, the component 1 has priority in use and repair. Firstly, a mathematical model is built via the differential and part...

This paper deals with the stochastic analysis of a complex system with correlated working and rest time of repairman. The system consists of two subsystems, say A and B connected in series. Subsystem A consists of two identical units whereas subsystem B consists of only one unit. The operation of only one unit of subsystem A with subsystem B is sufficient to do the job. The failure time distrib...