نتایج جستجو برای: پایه ریس py
تعداد نتایج: 56705 فیلتر نتایج به سال:
In this paper, using the discrete Fourier transform in the finite-dimensional Hilbert space C^n, a class of nonRieszable equal norm tight frames is introduced and using this class, a bound for Fiechtinger Conjecture is presented. By the Fiechtinger Conjecture that has been proved recently, for given A,C>0 there exists a universal constant delta>0 independent of $n$ such that every C-equal...
بر اساس تقریب چگالی وزنی wda فرمولبندی دیگری برای مایعات کلاسیک غیریکنواخت به دست آمده است که تقریب چگالی وزنی اصلاح شده nwda نامیده می شود. در این روش همه مرتبه های بسط تابعی انرژی اضافی با استفاده از روش خودسازگاری به کار می رود. تابع همبسته مستقیم دوتایی مایع کره های سخت به کار رفته در این روش معمولا py (percus-yevick) می باشد و ما در این مقاله برای اولین بار از توابع همبسته مستقیم دوتایی پی...
قابهای تعمیم یافته دقیق و همچنین شرایط معادل بودن با پایه های ریس را مورد بررسی قرار میدهیم.
Magnetization dynamics and field dependent magnetization of different devices based on 25-30 nm thick Permalloy (Py) films: such as single Py layers (Py/MgO; Py/CoFeB/Al2O3) and Py inserted as a magnetic layer in magnetic tunnel junctions (Py/CoFe/Al2O3/CoFe; Py/CoFeB/Al2O3/CoFe; Py/MgO/Fe) have been extensively studied within a temperature range between 300 K down to 5 K. The dynamic response ...
The purpose of this study was to expand our knowledge of small RNAs, which are known to function within protein complexes to modulate the transcriptional output of the cell. Here we describe two previously unrecognized, small RNAs, termed pY RNA1-s1 and pY RNA1-s2 (processed Y RNA1-stem -1 and -2), thereby expanding the list of known small RNAs. pY RNA1-s1 and pY RNA1-s2 were discovered by RNA ...
The in situ reaction of the tripodal anion [EtAl((Me)Py)3](-) ((Me)Py = 6-Me-2-py) with SnCl2 gives the Janus-head ligand ((Me)Py)3Sn-Sn((Me)Py)3, containing a Sn-Sn bond, through a novel, one-pot reaction involving a combination of pyridyl transfer and metal-oxidation.
[IrCl(COE)2]2 (1) reacts with pyridine (py) and H2 to form crystallographically characterized IrCl(H)2(COE)(py)2 (2). 2 undergoes py loss to form 16-electron IrCl(H)2(COE)(py) (3), with equivalent hydride ligands. When this reaction is studied with parahydrogen, 1 efficiently achieves hyperpolarization of free py (and nicotinamide, nicotine, 5-aminopyrimidine, and 3,5-lutudine) via signal ampli...
The reaction of the Tc(II) nitrosyl complex (Bu(4)N)[Tc(NO)Cl(4)] with Di-(2-picolyl)(NEt)amine in methanol yields the neutral complex [Tc(NO)Cl(py-N(Et)-py)]. The reaction of the Tc(I) nitrosyl complex [Tc(NO)Cl(2)(HOMe)(PPh(3))(2)] with this tridentate ligand yields cationic [Tc(NO)Cl(py-N(Et)-py)(PPh(3))]Cl. These two complexes have been structurally characterized. The reaction of [Tc(NO)Cl(...
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