نتایج جستجو برای: escaping from home
تعداد نتایج: 5669253 فیلتر نتایج به سال:
Someday, many people hope, humans will travel to Mars. The U.S. National Aeronautics & Space Administration (NASA) has plans for a mission to the planet in the 2030s, and entrepreneur Elon Musk says his SpaceX company can do it by 2024. If people succeed in setting up an outpost on Mars, they’ll need to build someplace for astronauts to live, sleep, and work. But hauling building materials acro...
X chromosome inactivation (XCI) is an epigenetic process that almost completely inactivates one of two X chromosomes in somatic cells of mammalian females. A few genes are known to escape XCI and the mechanism for this escape remains unclear. Here, using mouse trophoblast stem (TS) cells, we address whether particular chromosomal interactions facilitate escape from imprinted XCI. We demonstrate...
In this study, the problem of navigation in dynamic and unknown environment is investigated and a navigation method based on force field approach is suggested. It is assumed that the robot performs navigation in...
BACKGROUND Many developed countries have high mortality rates for fire-related deaths in children aged 0-14 years with steep social gradients. Evidence-based interventions to promote fire safety practices exist, but the impact of implementing a range of these interventions in children's services has not been assessed. We developed an Injury Prevention Briefing (IPB), which brought together evid...
At the Congresses on Tropical Medicine in Rio de Janeiro, several investigators have insisted on the problems connected mith the behaviour of Anopheles after contact with DDT. Though populations showing different responses to DDT could be distinguished by the Excite-Repellency Box Mode1 CIPS, nothing was Itnown wi,th regard tn the cause of these dserences. TO eluc.idate these problems we carrie...
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