BackgroundWhile e-cigarettes usually contain nicotine, their addictive potential is not yet fully understood.We hypothesized that if e-cigarettes are addictive, users usadisk website will experience typical symptoms of addiction.ObjectiveThe aim of our study was to investigate whether and how e-cigarette users report signs of addiction.MethodsWe id

The recommendation system based on graph neural network is the current research hotspot of data mining applications.The recommendation performance can be improved by combining the citroen c4 picasso boot liner graph neural network on the heterogeneous information network(HIN).However,the existing HIN-based recommendation methods often have problems

In this study, we conducted a combined examination of the photometric and colorimetric performances of trichromatic light sources, which are synthesized by three kinds of light-source units, by transferring their photometric performance to chromaticity diagrams.Contour maps of three photometric performances, which are within a triangle gamut-area f

Introduction.Phenylketonuria is an inborn metabolism error with a high phenotypical variability, due in part to the large number of implicated genetical variants (over 1200 reported) but also due to other factors.Establishing a genotype=phenotype correlation, accessible today through molecular testing, is an important instrument for diagnostical ac