ABSTRACT We explore chemically homogeneous evolution (CHE) as a formation channel for massive merging binary black holes (BBHs). develop methods to include CHE in rapid population synthesis code, Compact Object Mergers: Population Astrophysics and Statistics (compas), which combines realistic models of with cosmological the star history Universe. For first time, we simultaneously conventional i...

Compact Object Mergers: Population Astrophysics and Statistics (COMPAS; https://compas.science) is a public rapid binary population synthesis code. COMPAS generates populations of isolated stellar binaries under set parametrized assumptions in order to allow comparisons against observational data sets, such as those coming from gravitational-wave observations merging compact remnants. It includ...

OBJECTIVE The aim of the present study is to estimate the incidence trend of head injury and the mortality based on traffic accident statistics and to investigate the impacts of rapid industrialization and economic growth on epidemiology of head injury in Korea over the period 1970-2012 including both pre-industrialized and post-industrialized stages. METHODS We collected data of head injury ...

In this study, the yield and yield components were studied using a conventional variety Zhongshuang 11 (ZS 11) and a hybrid variety Zhongyouza 12 (ZYZ 12) at varying plant densities. The increase in plant density led to an initial increase in seed yield and pod numbers per unit area, followed by a decrease. The optimal plant density was 58.5 × 104 plants ha-1 in both ZS 11 and ZYZ 12. The furth...