We report on the Hubble Space Telescope program to observe periodic comet 9P/Tempel 1 in conjunction with NASA’s Deep Impact mission. Our objectives were to study the generation and evolution of the coma resulting from the impact and to obtain wide-band images of the visual outburst generated by the impact. Two observing campaigns utilizing a total of 17 HST orbits were carried out: the first o...

The novel coronavirus disease 2019 (COVID-19) has become a serious health concern worldwide for almost year. This study investigated the effects of selected air pollutants and meteorological variables on daily COVID-19 cases in Dhaka city, Bangladesh. Air data city were collected from 8 April to 16 June 2020 multiple sources. implied spearman’s correlation see between different variables. Besid...

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during a period of four years between june, is, 1988 to june, is, 1992 one hundred and fourteen patients with congestive heart failure (chf) were admitted to the pediatric department of taleghani general hospital. during the above period, 192 patients with heart disease were hospitalized at this department and chf was the cause of admission in 59.4% of them. congenital heart disease (cho) was t...

OBJECTIVE The fetal fibronectin test is advocated to facilitate the management of women presenting with threatened preterm labour, but is underutilised in Hong Kong. This study aimed to provide experience with this test and evaluate its utility in a local setting. DESIGN Prospective cohort study. SETTING A university-affiliated hospital in Hong Kong. PATIENTS Women presenting with symptom...

The effects of environmental hypoxia on cardiac and skeletal muscle metabolism are dependent on the duration and severity of hypoxic exposure, though factors which dictate the nature of the metabolic response to hypoxia are poorly understood. We therefore set out to investigate the time-dependence of metabolic acclimatisation to hypoxia in rat cardiac and skeletal muscle. Rats were housed under...