Results 11 to 20 of about 17,637,970 (344)
A Critique on the Book Historical Origin of Qajar Tribe [PDF]
پژوهشنامۀ انتقادی متون و برنامههای علوم انسانی, 2022 The Qajar dynasty, which seized political power in Iran at the beginning of the thirteenth century AH, had a tribal origin, but despite extensive research, its origins remain unclear.
Mohsen Rahmati
doaj +1 more source
Analysis of the political – military functions of entertainment of the Seljuk period [PDF]
مجله مطالعات ایرانی, 2023 Introduction Man has a dual existence, and just as he needs food to cultivate his physical powers, he must take measures to cultivate his spiritual powers.
soleyman Heidari, reza derikvandy
doaj +1 more source
Understanding Periodic and Non-periodic Chemistry in Periodic Tables [PDF]
Frontiers in Chemistry, 2021 The chemical elements are the “conserved principles” or “kernels” of chemistry that are retained when substances are altered. Comprehensive overviews of the chemistry of the elements and their compounds are needed in chemical science. To this end, a graphical display of the chemical properties of the elements, in the form of a Periodic Table, is the ...
Changsu Cao +5 more
openaire +3 more sources
Neural circuit for social authentication in song learning
Nature Communications, 2022 Human and bird infants acquire vocal patterns from live, not mimetic, tutors. Here, the authors identified the neuronal circuits to authenticate social information in zebra finch song learning, suggesting a brain developmental mechanism via social ...
Jelena Katic +2 more
doaj +1 more source
SIAM Journal on Control and Optimization, 2010 This paper studies behaviors that are defined on a torus, or equivalently, behaviors defined in spaces of periodic functions, and establishes their basic properties analogous to classical results of Malgrange, Palamodov, Oberst et al. for behaviors on R^n. These properties - in particular the Nullstellensatz describing the Willems closure - are closely
Napp, Diego +2 more
openaire +2 more sources
Pharmaceutics, 2023 Gastric cancer (GC) is one of the most common causes of cancer-related deaths worldwide, and chemotherapy is still a standard strategy for treating patients with advanced GC.
Le Zhu +10 more
doaj +1 more source
Period-doubling density waves in a chain [PDF]
, 1989 The authors consider a one-dimensional chain of N+2 identical particles with nearest-neighbour Lennard-Jones interaction and uniform friction. The chain is driven by a prescribed periodic motion of one end particle, with frequency v and 'strength ...
Opheusden, Joost H.J. van +1 more
core +5 more sources
The Factors behind Attention of Historians to Hafiz Shirazi's Poetry and Its Function in Historical Resources (From Timurid Empire to Qajar Dynasty 14-19 Ad) [PDF]
تاریخ نگری و تاریخ نگاری, 2019 Poetry, an effective and useful medium, has had a wide-spread presence in Islamic Iranian historiography texts and has taken various narrative functions. Hafiz is our historical and Persian memory. He is one of the poets that attract the attention of the
Mohammad Keshavarz Beyzai
doaj +1 more source
Early Auditory Experience Modifies Neuronal Firing Properties in the Zebra Finch Auditory Cortex
Frontiers in Neural Circuits, 2020 Songbirds learn to sing much as humans learn to speak. In zebra finches, one of the premier songbird models, males learn to sing for later courtship through a multistep learning process during the developmental period.
Takashi Kudo +3 more
doaj +1 more source
Multiple-length-scale elastic instability mimics parametric resonance of nonlinear oscillators [PDF]
, 2010 Spatially confined rigid membranes reorganize their morphology in response to the imposed constraints. A crumpled elastic sheet presents a complex pattern of random folds focusing the deformation energy while compressing a membrane resting on a soft ...
A Libchaber +35 more
core +2 more sources