Results 51 to 60 of about 117,893 (194)

What can lithics tell us about hominin technology's ‘primordial soup’? An origin of stone knapping via the emulation of Mother Nature

open access: yesArchaeometry, EarlyView.
Abstract The use of stone hammers to produce sharp stone flakes—knapping—is thought to represent a significant stage in hominin technological evolution because it facilitated the exploitation of novel resources, including meat obtained from medium‐to‐large‐sized vertebrates. The invention of knapping may have occurred via an additive (i.e., cumulative)
Metin I. Eren   +23 more
wiley   +1 more source

Novel Floating General Element Simulators Using CBTA [PDF]

open access: yes, 2012
In this study, a novel floating frequency dependent negative resistor (FDNR), floating inductor, floating capacitor and floating resistor simulator circuit employing two CBTAs and three passive components is proposed.
Ayten, Umut Engin   +3 more
core   +1 more source

Novel observers for compensation of communication delay in bilateral control systems [PDF]

open access: yes, 2009
The problem of communication delay in bilateral or teleoperation systems is even more emphasized with the use of the internet for communication, which may give rise to loss of transparency and even instability.
Bogosyan, Seta   +5 more
core   +1 more source

Metin Şerhi

open access: yesSöylem Filoloji Dergisi, 2020
Metin şerhi kavramı çok kapsamlı anlamlandırma potansiyeline sahip olması nedeniyle değişik disiplinlerce farklı şekillerde tanımlanmıştır. Şerh kelimesi Arapça kökenli olması ve İslami gelenekle ilgili olması bakımından anlamlandırma ve şerh uygulama usulleri de özellikle ve öncelikle İslami ilimler çerçevesinde ve Arapça sarf, nahiv, belagat ...
openaire   +3 more sources

Sleep Deprivation Alters T Cell Dynamics: Melatonin as a Restorative Agent

open access: yesJournal of Sleep Research, EarlyView.
ABSTRACT Sleep is an essential physiological function regulated by circadian rhythm and homeostatic regulation for emotional and physical health. Conversely, sleep deprivation (SD) is associated with weakened immune system function and overall health, which potentially leads to chronic diseases such as heart disease and diabetes.
Hilal Öztürk   +8 more
wiley   +1 more source

Cüce:Girdap metin [PDF]

open access: yes, 2001
Taha Toros Arşivi, Dosya No: 67-Leyla ErbilUnutma İstanbul projesi İstanbul Kalkınma Ajansı'nın 2016 yılı "Yenilikçi ve Yaratıcı İstanbul Mali Destek Programı" kapsamında desteklenmiştir.
Oktay, Ahmet
core  

Where Have All the Symbols Gone?: A Study of Sufis and Sufi Symbolism in Ottoman Miniature Paintings

open access: yes, 2013
Ottoman miniature paintings represent some of the best preserved and documented works of Islamic art still extant. They differ critically from other forms of miniature painting, such as Persian miniature painting, by not representing Sufi symbolism.
Siegel, Jesse E.
core  

The Atmosphere of a Black Hole

open access: yes, 2016
We present a static, isotropic fluid solution around a black hole and its effects on the field equations and the horizon. We offer the solutions, their descriptions and we comment on their shortcomings. We derive from the proposed metric the density, the
Arik, Metin, Senikoglu, Yorgo
core   +1 more source

Comparison of Trueness of Digitally‐ and Conventionally‐Fabricated Mockups

open access: yesClinical and Experimental Dental Research, Volume 12, Issue 1, February 2026.
ABSTRACT Objectives Rising demands for aesthetic outcomes make precise preoperative assessment essential. Despite advances in digital workflows, their accuracy versus conventional techniques remains uncertain. The current study comparatively assessed the trueness of digitally‐ and conventionally‐fabricated mockups.
Mehran Falahchai   +2 more
wiley   +1 more source

Macroeconomic instability, capital accumulation and growth: The case of Turkey 1963-1999 [PDF]

open access: yes
This study investigates the empirical relationships between macroeconomic instability, capital accumulation and growth in Turkey over the period 1963-1999.
Aysit Tansel   +2 more
core   +3 more sources

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