Infectious bronchitis virus (IBV) is distributed worldwide and causes significant losses in the poultry industry. In recent decades, lineages GI-19 GI-7 have become most prevalent IBV strains China. However, molecular evolution phylodynamics of lineage remain largely unknown. this study, we identified 19 from clinical samples January 2021 to June 2022 China, including 12 GI-19, 3 GI-7, 1 strain...

This paper introduces a deterministic fluid model that approximates the many-server Gt/GI/st + GI queueing model, and determines the time-dependent performance functions. The fluid model has time-varying arrival rate and service capacity, abandonment from queue, and non-exponential service and patience distributions. Two key assumptions are that: (i) the system alternates between overloaded and...

NK d~åÇêáääÉ pI _çêÖÉä aI p~ä~ kI bëéáåçë~Jm~êêáää~ vI páããçåÇë oI oÉòÉåÇÉ pI iáåÇ _I j~ååÜ~äíÉê `I m~éáåÖÉê fI oÉáíëã~ meI cçêãëíçåÉ `I `ççéÉê akI p~áíç eI pìòìâá hI _Éêå~êÇá cI ^á~ÅÜ jK mêçíÉáå p ÇÉÑáÅáÉåÅóW ~ Ç~í~Ä~ëÉ çÑ ãìí~íáçåë J ëìãã~êó çÑ íÜÉ Ñáêëí ìéÇ~íÉK qÜêçãÄ e~Éãçëí OMMMX UQW VNUK Ecìää íÉñí ~åÇ í~ÄäÉë ~êÉ ~î~áä~ÄäÉ ~í ïïïKfpqeKçêÖF OK v~ã~ò~âá qI e~ã~ÖìÅÜá jI h~íëìãá ^I h~Ö~ãá hI ...

We introduce and analyze a deterministic fluid model that serves as an approximation for the Gt/GI/st + GI many-server queueing model, which has a general time-varying arrival process (the Gt), a general service-time distribution (the first GI), a time-dependent number of servers (the st) and allows abandonment from queue according to a general abandonment-time distribution (the +GI). This flui...

Viruses that affect lagomorphs have decades of reported history spillover events. One these viruses is the causative agent so-called rabbit or ‘lagomorph’ haemorrhagic disease (e.g. Lagovirus europaeus/GI.1 and L. europaeus/GI.2). In particular, europaeus/GI.2 has shown a great capacity to recombine with existing lagoviruses. fact, it replaced former GI.1 genotype in wild, recently, an increase...

In this paper we find sufficient conditions on primitive inverse topological semigroup S under which: the inversion inv : (H(S)) (H(S)) is continuous; we show that every topologically periodic countable compact primitive inverse topological semigroups with closed H-classes is topologically isomorphic to an orthogonal sum P i2= Bi (Gi) of topological Brandt extensions Bi (Gi) of countably compac...