نتایج جستجو برای: has a history since time immemorial however
تعداد نتایج: 13932910 فیلتر نتایج به سال:
today, scouring is one of the important topics in the river and coastal engineering so that the most destruction in the bridges is occurred due to this phenomenon. whereas the bridges are assumed as the most important connecting structures in the communications roads in the country and their importance is doubled while floodwater, thus exact design and maintenance thereof is very crucial. f...
fuzzy logic has been developed over the past three decades into a widely applied techinque in classification and control engineering. today fuzzy logic control is one of the most important applications of fuzzy set theory and specially fuzzy logic. there are two general approachs for using of fuzzy control, software and hardware. integrated circuits as a solution for hardware realization are us...
through the history and since 1933, the iranian rial has declined from 11.2 rials per dollar to almost 8600 rials per dollar today in the parallel or black market. at the same time the official rate has been kept at artificial level most of the time, not consistent with other macro conditions of the country. historically, however, the central bank has adjusted the official rate and brought it i...
The question of the nature of life, and therefore of the soul and spirit, has troubled people since time immemorial, especially if they are seen as essentially immaterial. It is suggested that the soul may be understood as the process of life, the inter-relationship between the parts of the body, and that the spirit is the driving force that motivates life. This is then related to the role of G...
Peptic ulcer disease has been considered to be a “disease of civilisation”. Yet Helicobacter pylori, which now is believed to play a critical role in this illness, 3 has probably been part of the human biota since time immemorial, and peptic (especially duodenal) ulceration seems to have become epidemic in humans at a time when H pylori was loosening its firm grip on the human stomach. These ph...
different researchers in different parts of the world have investigated the strategies used to translate written works ranging from novels to classroom assignments. however, by the significant increase in the number of postgraduate students in iran in the last few years, a very common kind of translation in iran includes translating abstracts of master’s theses. in this work, the researcher hav...
abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...
bekenstein and hawking by introducing temperature and every black hole has entropy and using the first law of thermodynamic for black holes showed that this entropy changes with the event horizon surface. bekenstein and hawking entropy equation is valid for the black holes obeying einstein general relativity theory. however, from one side einstein relativity in some cases fails to explain expe...
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