نتایج جستجو برای: keywords natural light
تعداد نتایج: 2706799 فیلتر نتایج به سال:
Background: Determining social vulnerability of elderly people is a prerequisite for risk analysis in natural disasters. Understanding and comprehension of different dimensions of elderly social vulnerability by using international experiences is a must to determine and ultimately measure this phenomenon. In this study, we tried to understand the dimensions of elderly social vulnerability in na...
nifedipine (nif) a 1, 4-dihydropyridine calcium channel antagonist, undergoes photodegradation to nitroso analogues of dehydronifedipine (ndnif) when exposed to sunlight. photodegradation products of nif have no clinical activity, so different formulations of nif must remain unchanged. if nif preparations become unstable in exposure to light, they could cause therapeutic failure. the present st...
abstract this research was conducted to study the effects of different light colors on growth indices (growth rate and specific growth rate), feed conversion and survival rate in tiger barb (barbus tetazone) fish for 6 weeks. 120 fish with an average weight 75 ±0.02 were respectively divided in four groups of white, natural, green and blue colors (with three replicates for each treatment). fish...
Nifedipine (NIF) a 1, 4-dihydropyridine calcium channel antagonist, undergoes photodegradation to nitroso analogues of dehydronifedipine (NDNIF) when exposed to sunlight. Photodegradation products of NIF have no clinical activity, so different formulations of NIF must remain unchanged. If NIF preparations become unstable in exposure to light, they could cause therapeutic failure. The present st...
In this paper we introduce Nath, a LTEX 2.09/2ε style implementing a natural TEX notation for mathematics. keywords: Natural mathematical notation
Currently a new version of the distance education platform WeLearn [3] to be combined with an agent system ([1], also developed locally) for providing advanced services [2] is under development. In a previous stage of the project software was created to automatically derive keywords from documents, either from the different versions of metadata already contained (various Microsoft file formats,...
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