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

ieeexplore.ieee.org/abstract/document/4050841/PDF

Effects of space-charge layer widening in junction transistors

JM Early - Proceedings of the IRE, 1952 - ieeexplore.ieee.org
۴۵۵ ارجاع1952

… Since both ,B and y increase as the base layer is narrowed, it is obvious that an increase of collector voltage produces an increase of the current-gain factor, a', since for most simple …

www.ovid.com/jnls/circres/abstract/00003012-199407000-00017...PDF

Selective Inhibition of T-tpe Ca2+ Channels by Ro 40-5967

K Hermsmeyer - Circulation research, 1994 - ovid.com
۴۵۲ ارجاع1994

… Using the combination of Ro 40-5967 and nisoldipine, a … ; thus, Ro 40-5967 is the first Ca21 channel blocker to eliminate … Iu as in B were blocked at 5 minutes by 1 gmol/L Ro 40-5967 …

www.jpier.org/PIERB/pier.phpPDF

A feasibility study on microwave imaging for brain stroke monitoring

R Scapaticci, L Di Donato, I Catapano… - … Research B, 2012 - jpier.org
۳۴۰ ارجاع2012

… arbitrarily chosen as belonging to the range 10–40. While this ensures a good flexibility, the … At this frequency we have considered two different media having εmm = 40, σmm = 0.01S/m …

journals.aps.org/prb/abstract/10.1103/PhysRevB.40.7874PDF

Surface acoustic waves on GaAs/As heterostructures

A Wixforth, J Scriba, M Wassermeier, JP Kotthaus… - Physical Review B, 1989 - APS
۳۵۸ ارجاع1989

… in I(B) and in hv ( B) /v o reAect the oscillations of cr„,{B) in the regime of very low conductivities … The dotted linesin (a) and (b) are the results of calculations using Eqs. (8) and {9)and o„ …

journals.aps.org/prb/abstract/10.1103/PhysRevB.40.6763

Flux lattice melting in high- superconductors

A Houghton, RA Pelcovits, A Sudbø - Physical Review B, 1989 - APS
۹۱۵ ارجاع1989

We derive the wave-vector-dependent elastic moduli for a flux line lattice in compounds with underlying tetragonal crystalline symmetry. We find that it is essential to retain wave-vector …

www.academia.edu/download/80893529/31-1384285368.pdfPDF

Evaluation of a Rapid Immunochromatographic test for detection of Brucella abortus antibodies in Egyptian cattle sera and milk

TM Elshemey, AH Abd-Elrahman - AJVS, 2014 - academia.edu
۳۳۴ ارجاع2014

… directed against B. abortus … of B. abortus in cattle sera versus RBT and ELISA as a gold standard, Also evaluation of ICT brucellosis test efficacy for detection of antibodies against B. …

onlinelibrary.wiley.com/doi/abs/10.1002/polb.10293

Influence of a mixing solvent with tetrahydrofuran and N,N‐dimethylformamide on electrospun poly(vinyl chloride) nonwoven mats

KH Lee, HY Kim, YM La, DR Lee… - … polymer science part B …, 2002 - Wiley Online Library
۳۸۷ ارجاع2002

We evaluated the effects of the solvent composition with respect to the solution concentration, applied electric field, and tip‐to‐collector distance on the morphology of electrospun poly(…

pubs.acs.org/doi/abs/10.1021/ma062376oPDF

Panchromatic conjugated polymers containing alternating donor/acceptor units for photovoltaic applications

Z Zhu, D Waller, R Gaudiana, M Morana… - …, 2007 - ACS Publications
۵۷۳ ارجاع2007

… The 4-carbon of the 4H-cyclopenta[2,1-b:3,4-b‘]dithiophene can be readily functionalized by … -b:3,4-b‘]dithiophene (1) was synthesized from cyclopenta[2,1-b:3,4-b‘]dithiophen-4-one 40 …

journals.aps.org/prb/abstract/10.1103/PhysRevB.40.8872

Properties that change as superconductivity disappears at high-doping concentrations in

JB Torrance, A Bezinge, AI Nazzal, TC Huang… - Physical Review B, 1989 - APS
۴۷۳ ارجاع1989

… b) correspond to a weakening of Jby … 40%, although data at higher temperatures would indicate a smaller reduction. The decrease in y, ;„(100K) above x -0.might correspond to a …

www.sciencedirect.com/science/article/pii/S0749806306008814

Is microfracture of chondral defects in the knee associated with different results in patients aged 40 years or younger?

PC Kreuz, C Erggelet, MR Steinwachs… - … : The Journal of …, 2006 - Elsevier
۴۶۸ ارجاع2006

… In patients aged 40 years or younger with defects on the femoral condyles (group 1a) and on the tibia (group 2a), no deterioration could be detected in both scores (Fig 1A and B). …

۱۲۳۴۵۶۷۸...۹۱۰
بعدی