We propose a model of a joint spread of heroin use azalea southern charm and HIV infection.The unique disease-free equilibrium always exists and it is stable if the basic reproduction numbers of heroin use and HIV infection are both less than 1.The semi-trivial equilibrium of HIV infection (heroin use) exists if the basic reproduction number of HIV
IntroductionThis paper aimed to build a predictive model through an empirical study to examine the influence of environmental awareness (EA) on attitude (ATT) and perceived behavioral control (PBC), as well as to determine the influence of the three variables of the theory of planned behavior (TPB) on willingness to pay (WP) for green products in t
Given the problem of three-sources uncertainty in aero engine degradation process and the assumption of normal distribution of measurement error in existing research, a Wiener process aero vetscan giardia rapid test engine residual useful life time(RUL) prediction method with logistic distribution of measurement error was proposed.Firstly, the perf
Light causes damage when it is absorbed by sensitive artwork, such as oil paintings.However, light is needed to initiate vision and display artwork.The dilemma between visibility and damage, coupled with the inverse relationship between color quality and energy efficiency, poses a challenge for curators, conservators, and lighting designers in iden
Abstract Objective Exploring the predictive value of NLR, PLR, MLR, and SII for the severity of cervical cancer screening abnormalities in patients.Methods A retrospective analysis was conducted on the data of 324 patients suspected of cervical lesions due to abnormal TCT and/or HPV in our hospital from January kramer tiger guitar 2023 to December