نتایج جستجو برای: researches show that about 70
تعداد نتایج: 6902456 فیلتر نتایج به سال:
heuristics are often used to provide solutions for flow shop scheduling problems.the performance of a heuristic is usually judged by comparing solutions and run times on test cases.this investigation proposes an analytical alternative ,called asymptotic convergence ,which tests the convergence of the heuristic to a lower bound as problem size grows. the test is a stronger variation of worst cas...
Oxidative stress has been suggested as a consequence and as a cause of epileptic seizures. Researches indicate Achillea wilhelmsii (A.wilhelmsii) has anti-oxidant and anti-spasmic effects on central nervous system. This plant grows in most part of Iran. An Iranian research that done in 2013 showed that the hydroalcoholic extract of Achillea wilhelmsii possesses an antioxidant effect in the brai...
nowadays bpr has become as one of the most widespread and safe management topics and a redeemer for organizations which are in the stage of destruction and ruining. although many organizations use bpr to improve their performance, researches show that about 70-80 percent of these projects were failed and remain unfinished. many researches have been even undertaken to find out reasons of these f...
insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...
one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...
mothers exposed to antiepileptic drugs (aeds) are at high risk to born babies with orofacial malformations such as cleft lips. about 9 percent of congenital abnormalities in babies of mothers with epilepsy relates to orofacial abnormalities. maintaining safe antiepileptic drugs for millions of mothers with epilepsy is very important. researches show that new aeds have less side effects than the...
Introduction: Malignant salivary glands tumors (MSGTs) are uncommon cancers. The most common site of these cancers is the parotid gland. Some investigations show these cancers preference for males than females. The majority of MSGTs arise in sixth decade of human life. According to the literature review for the present work, there is a few epidemiological researches about MSGTs in Iran and espe...
it is not possible to understand developments of a country’s culture and civilization without knowing his believes and myths. whether it is north or south, east or west, planes or mountains, sahara or deserts, here in iran every corner includes valuable and precious treasures which are known all over the world, and cultural – historical objects which are found here adorn all well known museums...
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