منابع مشابه
The evolved central star of the planetary nebula ESO 166 − PN 21
Optical and UV spectrophotometric data of the nebula and the central star of the planetary nebula ESO 166−PN 21 are presented. The analysis of the nebular lines confirms that it is a Heand N-rich PN, with He/H = 0.138 ± 0.005 and N/O = 0.58 ± 0.08. The oxygen abundance is 12 + log O/H = 8.60 ± 0.10. A distance of 1.2 ± 0.2 kpc is derived for the nebula. The central star is very faint and blue, ...
متن کامل166 Olga Ruban
Mobility and reduction of industrial activity time is one of the major requirements raised to modern systems of automation. One of the most effective ways of achievement of this purpose is vertical integration with use of wireless technologies. The lab set – model of vertical integration for data gathering from the intellectual Profibus РА sensor, Profibus DP data transmission, controllers conf...
متن کاملPns1200281 166..172
It is estimated that by 2050 there will be 2 billion people aged 60 years and older in the world. The evidence base for the health benefits of good nutrition and physical activity, as well as weight loss among overweight and obese adults, is growing and a number of policies and guidelines are available to guide health professionals in serving older people at various stages of the lifecycle. The...
متن کامل155 - 166 Li X.pmd
Many species of Muscidae are cosmopolitan synanthropic insects. It is frequently found on dead bodies after death, so an accurate identification of each species is necessary for the correct estimation of the postmortem interval (PMI). Identification species of Muscidae is traditionally performed through their morphological features. However, the morphological similarity of Muscidae in the level...
متن کاملPns1100327 166..174
Glyceollins, one family of phytoalexins, are de novo synthesised from daidzein in the soyabean upon exposure to some types of fungus. The efficiency of glyceollin production appears to be influenced by soyabean variety, fungal species, and the degree of physical damage to the soyabean. The compounds have been shown to have strong antioxidant and anti-inflammatory activities, and to inhibit the ...
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ژورنال
عنوان ژورنال: Symposium - International Astronomical Union
سال: 1989
ISSN: 0074-1809
DOI: 10.1017/s007418090013801x