Tires represent a critical spare part in mines. There is a shortage of medium and large tires. In addition, with increased mining activities and the creation of new mines, the demand for tires has increased significantly. Thus, it is particularly important for mining engineers to identify tire characteristics and correctly manage the spare part inventory. Spare parts management is critical from...

Purpose The purpose of the study is to explore cargo theft risk and security for different product types at different locations along a transport chain. Design/methodology/approach This study is based on a system-theoretical approach. The research method is deductive as the analysis is based on secondary data and results from a questionnaire. The results are analyzed based on supply chain risk ...

This study aims to build and examine a model of sustainable supply management (SSM) practices sustainability performance (SP) from dynamic capability perspective. More precisely, this article examines whether SSM have an affect on SP, relation is mediated by chain risk (SCRM) network (NC), moderated firm size. We collected data 436 professionals through survey instrument six manufacturing logis...

BACKGROUND Prognostic factors have not been elucidated for severe acute exacerbation of chronic hepatitis B treated with antiviral therapy. This study aimed to explore the role of baseline viral load in predicting mortality. METHODS This retrospective cohort study screened consecutive chronic hepatitis B patients (n=84) receiving antiviral therapy for severe acute exacerbation, defined as abr...

In this paper, we develop a Bayesian approach to estimate a Cox proportional hazards model that allows a threshold in the regression coefficient, when some fraction of subjects are not susceptible to the event of interest. A data augmentation scheme with latent binary cure indicators is adopted to simplify the Markov chain Monte Carlo implementation. Given the binary cure indicators, the Cox cu...

COX-2 inhibitory activities of some 1,4-dihydropyridine and 5-oxo-1,4,5,6,7,8-hexahydroquinoline derivatives were modeled by quantitative structure–activity relationship (QSAR) using stepwise-multiple linear regression (SW-MLR) method. The built model was robust and predictive with correlation coefficient (R2) of 0.972 and 0.531 for training and test groups, respectively. The quality of the mod...

MOTIVATION Coalescent-based simulation software for genomic sequences allows the efficient in silico generation of short- and medium-sized genetic sequences. However, the simulation of genome-size datasets as produced by next-generation sequencing is currently only possible using fairly crude approximations. RESULTS We present the sequential coalescent with recombination model (SCRM), a new m...

We propose a general semiparametric method based on multiple imputation for Cox regression with interval-censored data. The method consists of iterating the following two steps. First, from finite-interval-censored (but not right-censored) data, exact failure times are imputed using Tanner and Wei's poor man's or asymptotic normal data augmentation scheme based on the current estimates of the r...