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

iopscience.iop.org/article/10.1088/0004-637X/804/2/138/metaPDF

SUPERMASSIVE BLACK HOLES WITH HIGH ACCRETION RATES IN ACTIVE GALACTIC NUCLEI. III. DETECTION OF Fe ii REVERBERATION IN NINE NARROW …

C Hu, P Du, KX Lu, YR Li, F Wang, J Qiu… - The Astrophysical …, 2015 - iopscience.iop.org
۱۴۰ ارجاع2015

This is the third in a series of papers reporting on a large reverberation-mapping campaign aimed to study the properties of active galactic nuclei (AGNs) with high accretion rates. We …

royalsocietypublishing.org/doi/abs/10.1098/rspb.1935.0026PDF

The kinetics of photosynthesis

ECC Baly - Proceedings of the Royal Society of London …, 1935 - royalsocietypublishing.org
۳۴۴ ارجاع1935

The influence of the various controlling factors on the rate of photosynthesis is one of the most interesting problems met with in the study of the living plant. If the photosynthetic cycle be …

iopscience.iop.org/article/10.1088/0004-637X/804/1/10/metaPDF

A nearby M star with three transiting super-Earths discovered by K2

IJM Crossfield, E Petigura, JE Schlieder… - The Astrophysical …, 2015 - iopscience.iop.org
۱۹۹ ارجاع2015

Small, cool planets represent the typical end-products of planetary formation. Studying the architectures of these systems, measuring planet masses and radii, and observing these …

iopscience.iop.org/article/10.1088/0004-637X/804/2/104/metaPDF

Detailed shape and evolutionary behavior of the X-ray luminosity function of active galactic nuclei

T Miyaji, G Hasinger, M Salvato, M Brusa… - The Astrophysical …, 2015 - iopscience.iop.org
۱۴۸ ارجاع2015

We construct the rest-frame 2–10 keV intrinsic X-ray luminosity function (XLF) of active galactic nuclei (AGNs) from a combination of X-ray surveys from the all-sky Swift BAT survey to …

iopscience.iop.org/article/10.1088/2041-8205/804/1/L23/metaPDF

The peculiar behavior of halo coronal mass ejections in solar cycle 24

N Gopalswamy, H Xie, S Akiyama… - The Astrophysical …, 2015 - iopscience.iop.org
۱۱۸ ارجاع2015

We report on the remarkable finding that the halo coronal mass ejections (CMEs) in cycle 24 are more abundant than in cycle 23, although the sunspot number in cycle 24 has dropped …

iopscience.iop.org/article/10.1088/2041-8205/804/2/L44/metaPDF

A hero's dark horse: discovery of an ultra-faint milky way satellite in pegasus

D Kim, H Jerjen, D Mackey, GSD Costa… - The Astrophysical …, 2015 - iopscience.iop.org
۱۱۶ ارجاع2015

We report the discovery of an ultra-faint Milky Way satellite galaxy in the constellation of Pegasus. The concentration of stars was detected by applying our overdensity detection …

iopscience.iop.org/article/10.1088/0004-637X/804/2/81/metaPDF

Constraining the abundances of complex organics in the inner regions of solar-type protostars

V Taquet, A López-Sepulcre, C Ceccarelli… - The Astrophysical …, 2015 - iopscience.iop.org
۲۴۱ ارجاع2015

The high abundances of Complex Organic Molecules (COMs) with respect to methanol, the most abundant COM, detected toward low-mass protostars, tend to be underpredicted by …

iopscience.iop.org/article/10.1088/2041-8205/804/1/L21/metaPDF

Small scatter and nearly isothermal mass profiles to four half-light radii from two-dimensional stellar dynamics of early-type galaxies

M Cappellari, AJ Romanowsky, JP Brodie… - The Astrophysical …, 2015 - iopscience.iop.org
۱۵۰ ارجاع2015

We study the total mass–density profile for a sample of 14 fast-rotator early-type galaxies (stellar masses <?CDATA $10.2\lesssim {\rm log} {{M}_{*}}/{{M}_{\odot }}\lesssim 11.7$?> <?…

www.sciencedirect.com/science/article/pii/S0006899398005654

1, 25-Dihydroxyvitamin D3 receptors in the central nervous system of the rat embryo

TD Veenstra, K Prüfer, C Koenigsberger, SW Brimijoin… - Brain research, 1998 - Elsevier
۲۰۹ ارجاع1998

We have mapped areas within the central nervous system (CNS) of the developing fetal rat which immunostain for the 1,25-dihydroxyvitamin D 3 receptor (VDR). The VDR was detected …

www.sciencedirect.com/science/article/pii/S0921509320317135

Dynamic recrystallization mechanisms of 2195 aluminum alloy during medium/high temperature compression deformation

J Zhang, Y Yi, S Huang, X Mao, H He, J Tang… - Materials Science and …, 2021 - Elsevier
۲۲۵ ارجاع2021

The 2195 aluminum alloy has been widely utilized in the aerospace field, of which dynamic recrystallization microstructures have a substantial effect on the mechanical properties of …

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