نتایج جستجو برای: some not undoubtedly
تعداد نتایج: 3772904 فیلتر نتایج به سال:
An efficient flood alarm system may significantly improve public safety and mitigate damages caused by inundation. Flood forecasting is undoubtedly a challenging field of operational hydrology and a huge literature has been developed over the years. In this paper, we first define ordered ideal intuitionistic fuzzy sets and establish some results on them. Then, we define similarity measures betw...
abstract english language learning in iran has become significant in recent years, and english has been included in the curriculum of iranian schools and universities, and considerable attention has been paid to this language in our society. nevertheless, teaching and learning english in iranian schools has not been able to satisfy the specified goals, so different efl institutes have been est...
abstract there is not much sources about ancient carnival and ceremonies , but some information can be gain from documents . as a matter of fact the ceremonies were a part of zarartiyan principles which zartosht had taken them to his religion . it should be mentioned that the oldest ceremonies are about poster and agriculture principles this seasonal ceremonies were very important for agri...
The primary spermatocytes of Drosophila virilis have been shown to undergo an approximate 300-fold increase in volume and to possess an abundance of ribo somes in the cytoplasm (Ito 1960). These ribosomes are probably involved in the biosynthesis of the various materials needed for this tremendous volumetric increase. Olivieri and Olivieri (1965) have demonstrated that RNA synthesis occurs in s...
the biological, biochemical and immunological It has been proved lately that lysosomes are conditions that prepare the organic susceptibility involved in the mechanism of morphologic which facilitates or impairs the growth of changes, catabolic disorders , autolytic pro M. leprae. This paper is a partial attempt to cesses, necrosis , and infections and inflammatory unveil the pathogenic mechan...
The past three months have been a season of tremendous change, and many of us have been surprised by the political events that have taken place. January heralds a change in administration for the United States, and the future seems uncertain. I sense that change is going to be the new normal, and we have to be able to cope with it-and with each other-for a long time. What I want to talk about i...
Gamma-ray bursts are transient events from beyond the solar system. Besides the allure of their mysterious origin, bursts are physically fascinating because they undoubtedly require exotic physics. Optical transients coincident with burst positions show that some, and probably all, bursts originate at cosmological distances, and not from a large Galactic halo. Observations of these events’ spec...
The article is devoted to considering positive and negative aspects of the digital technology introduction in all economy spheres. author notes that despite acceleration workforce productivity risks threats it contains should undoubtedly not be forgotten. Moreover, some cases exceed effect transformation. However, transformation both an objective necessity inevitable consequence global changes ...
Despite 180 years of theory on magnetism, it appears that the practice of calculating forces on magnetic media is ambiguous, as illustrated by a recent article by Casperson [1]. Potentially troubling issues include: Which field B or H should be used? Should the total field be used, or only the external field? And if the latter, what is meant by “external”? Can/should effects of magnetization cu...
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