همهاخبارمکان‌یابراهنمای خریدتصاویرویدیومقالات علمی
درباره برتیناتماس با ماهوش مصنوعی رایگانایمیل رایگانمترجم رایگانDNS رایگانهواشناسیکاوش برتیناتبلیغ در برتینا
درباره سرچحریم خصوصیشرایط

برتینا (فناوری پیشرفته پارسیان) شرکت دانش‌بنیان حوزه هوش مصنوعی

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پاسخ هوش مصنوعی

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www.science.org/doi/abs/10.1126/science.aat6405PDF

Impacts of species richness on productivity in a large-scale subtropical forest experiment

Y Huang, Y Chen, N Castro-Izaguirre, M Baruffol… - Science, 2018 - science.org
۸۱۲ ارجاع2018

Biodiversity experiments have shown that species loss reduces ecosystem functioning in grassland. To test whether this result can be extrapolated to forests, the main contributors to …

www.science.org/doi/abs/10.1126/science.aat4723PDF

Slab2, a comprehensive subduction zone geometry model

GP Hayes, GL Moore, DE Portner, M Hearne… - Science, 2018 - science.org
۱۸۰۶ ارجاع2018

Subduction zones are home to the most seismically active faults on the planet. The shallow megathrust interfaces of subduction zones host Earth’s largest earthquakes and are likely the …

www.science.org/doi/abs/10.1126/science.aat6967PDF

Quantifying hot carrier and thermal contributions in plasmonic photocatalysis

L Zhou, DF Swearer, C Zhang, H Robatjazi, H Zhao… - Science, 2018 - science.org
۱۱۹۸ ارجاع2018

Photocatalysis based on optically active, “plasmonic” metal nanoparticles has emerged as a promising approach to facilitate light-driven chemical conversions under far milder …

www.sciencedirect.com/science/article/pii/0006295281901957

Cell cycle arrest as a basis of enhancement of 1-β-d-arabinofuranosylcytosine anabolism in human lymphoblastoid RPMI 6410 cells cultured with 3-deazauridine

GJ Lauzon, S Yang, ARP Paterson - Biochemical pharmacology, 1981 - Elsevier
۸ ارجاع1981

The antiproliferative effect of 1-β-D-arabinofuranosylcytosine (araC) on RPMI 6410 cells in culture was potentiated in the presence of 3-deazauridine (DU). When the culture medium …

www.science.org/doi/abs/10.1126/science.aat6030PDF

Urbanization and humidity shape the intensity of influenza epidemics in US cities

BD Dalziel, S Kissler, JR Gog, C Viboud, ON Bjørnstad… - Science, 2018 - science.org
۴۸۵ ارجاع2018

Influenza epidemics vary in intensity from year to year, driven by climatic conditions and by viral antigenic evolution. However, important spatial variation remains unexplained. Here we …

www.science.org/doi/abs/10.1126/science.aas8843PDF

Two Patched molecules engage distinct sites on Hedgehog yielding a signaling-competent complex

X Qi, P Schmiege, E Coutavas, X Li - Science, 2018 - science.org
۱۴۷ ارجاع2018

INTRODUCTION Appropriate Hedgehog (HH) signaling is important for human health; excessive HH signaling leads to various cancers, whereas insufficient HH signaling results in …

www.science.org/doi/abs/10.1126/science.aar3394PDF

Rapid change of superconductivity and electron-phonon coupling through critical doping in Bi-2212

Y He, M Hashimoto, D Song, SD Chen, J He, IM Vishik… - Science, 2018 - science.org
۲۰۰ ارجاع2018

Electron-boson coupling plays a key role in superconductivity for many systems. However, in copper-based high–critical temperature (T c ) superconductors, its relation to …

www.nature.com/articles/361326a0

Three-dimensional structure of system I of photosynthesis at 6 Å resolution

N Krauss, W Hinrichs, I Witt, P Fromme, W Pritzkow… - Nature, 1993 - nature.com
۴۳۶ ارجاع1993

X-ray structure analysis shows that the monomer of trimeric photosystem I (PS I) of Synechococcus sp. consists of a catalytic domain and a smaller domain that connects the monomers. …

www.nature.com/articles/361342a0

Do virtual geomagnetic poles follow preferred paths during geomagnetic reversals?

PL McFadden, CE Barton, RT Merrill - Nature, 1993 - nature.com
۹۵ ارجاع1993

VIRTUAL geomagnetic poles (VGPs) recorded in sediments during reversals of the Earth's magnetic field show an apparent preference for two antipodal sectors of longitude 1–3 , not …

www.science.org/doi/abs/10.1126/science.aar6987PDF

The role of education interventions in improving economic rationality

HB Kim, S Choi, B Kim, C Pop-Eleches - Science, 2018 - science.org
۱۵۰ ارجاع2018

Schooling rewards people with labor market returns and nonpecuniary benefits in other realms of life. However, there is no experimental evidence showing that education interventions …

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