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

www.pnas.org/doi/abs/10.1073/pnas.94.10.5320PDF

Purification of primitive human hematopoietic cells capable of repopulating immune-deficient mice

M Bhatia, JCY Wang, U Kapp, D Bonnet… - Proceedings of the …, 1997 - pnas.org
۱۲۳۲ ارجاع1997

… Purity ranges for the 16 blood samples used in this study were 94–100% for CD34 + CD38 + (Fig. 1H), 84–100% for CD34 + CD38 − (Fig. 1I), and 99–100% for CD34 − (Fig. …

www.sciencedirect.com/science/article/pii/S0378377407002089

Effects of antecedent soil moisture on runoff and soil erosion in alley cropping systems

L Wei, B Zhang, M Wang - Agricultural water management, 2007 - Elsevier
۱۸۵ ارجاع2007

… The positions of the tensiometer sets were 0, 1 and 2 m in T 1 P and T 1 and 0, 1, 2 and 4 m in T 2 P and T 2 downward from the plot centerline. No tensiometers were installed at 4 m …

link.springer.com/article/10.1007/s12648-019-01454-2PDF

Structural phase transition determined from the Bragg angle versus ionization energy plot: AD Arulsamy

AD Arulsamy - Indian Journal of Physics, 2020 - Springer
۱۱ ارجاع2020

We present here an unexpected relationship to predict the structural phase transition directly and unambiguously from the Bragg angle versus ionization energy plot. We first expose the …

www.sciencedirect.com/science/article/pii/S0001868601000604

The glass transition in thin polymer films

JA Forrest, K Dalnoki-Veress - Advances in Colloid and Interface Science, 2001 - Elsevier
۱۰۹۲ ارجاع2001

In this article, we present a detailed account of important recent developments in the rapidly evolving area of glass transitions in thin polymer films. We review the case of polymer films …

pubs.acs.org/doi/pdf/10.1021/cr00025a002

Second-order nonlinearity in poled-polymer systems

DM Burland, RD Miller, CA Walsh - Chemical Reviews, 1994 - ACS Publications
۲۰۲۳ ارجاع1994

It has been more than 10 years since the first electric field poled second-order nonlinear polymers were reported. 1'2 During this period a wide variety of polymeric systems have been …

www.sciencedirect.com/science/article/pii/S0092640X73800154

Photon cross sections from 0.1 keV to 1 MeV for elements Z= 1 to Z= 94

WJ Veigele - Atomic Data and Nuclear Data Tables, 1973 - Elsevier
۹۷۹ ارجاع1973

… Total photoelectric values were determined from them for 94 elements at various energies from 0.1 keV to between 1 and 10 keV where the resulting curves came together with those …

www.tandfonline.com/doi/abs/10.1080/01621459.1999.10473882PDF

Goodness of fit and related inference processes for quantile regression

R Koenker, JAF Machado - Journal of the american statistical …, 1999 - Taylor & Francis
۲۰۵۵ ارجاع1999

… In this plot any departure from the null, whether positive or negative, appears as a positive effect, so we can no longer distinguish the nature of the effects in quite the detail provided by …

journals.aps.org/prl/abstract/10.1103/PhysRevLett.94.047204PDF

Experimental Observation of the Spin-Hall Effect in a Two-Dimensional<? format?> Spin-Orbit Coupled Semiconductor System

J Wunderlich, B Kaestner, J Sinova, T Jungwirth - Physical review letters, 2005 - APS
۲۰۲۲ ارجاع2005

We report the experimental observation of the spin-Hall effect in a 2D hole system with spin-orbit coupling. The 2D hole layer is a part of a p - n junction light-emitting diode with a …

www.tandfonline.com/doi/abs/10.1080/01621459.1999.10473885PDF

Classes of nonseparable, spatio-temporal stationary covariance functions

N Cressie, HC Huang - Journal of the American Statistical …, 1999 - Taylor & Francis
۱۰۱۷ ارجاع1999

… Figure 7 gives a plot of the sample standard deviation versus the sample mean of wind speed (over time) obtained from each of the 289 sites. No specific pattern (eg, increasing pattern) …

pubs.aeaweb.org/doi/pdf/10.1257/0002828041464560PDF

Aid, policies, and growth: comment

W Easterly, R Levine, D Roodman - American economic review, 2004 - pubs.aeaweb.org
۱۷۵۹ ارجاع2004

… When we extend the sample forward to 1997, we no longer find that aid promotes growth in good policy environments. Similarly, when we expand the BD data by using the full set of …

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