نتایج جستجو برای: 20 one
تعداد نتایج: 2468724 فیلتر نتایج به سال:
We present equilibrium molecular-dynamics computations of the thermal conductivity and the two viscosities of the Yukawa one-component plasma. The simulations were performed within periodic boundary conditions and Ewald sums were implemented for the potentials, the forces, and for all the currents which enter the Kubo formulas. For large values of the screening parameter, our estimates of the s...
The neurosteroid 3a-hyclroxy-5a-pregnan-20-one (3a,5a-THP) acts as a potent allosteric modulator and a direct activator of the GABA-chloride channel complex. This neurosteroid has also been found to protect against seizures that arise from blockade of the GABA-chloride channel complex. Because 3a,5a-THP protects against excitotoxin-induced seizure activity and because seizure activity has been ...
We give a classification theorem for unital separable nuclear simple C∗-algebras with tracial rank no more than one. Let A and B be two unital separable simple nuclear C∗-algebras with TR(A), TR(B) ≤ 1 which satisfy the universal coefficient theorem. We show that A ∼= B if and only if (K0(A),K0(A)+, [1A], K1(A), T (A)) ∼= (K0(B), K0(B)+, [1B ], K1(B), T (B)).
The outer region (0.75–1.25 re in the B-band) of the merger-remnant elliptical NGC 3610 is studied using extremely high signal to noise Keck spectra, with a supplementary spectrum of the galaxy center. Stellar population parameters — age, [Z/H], [α/Fe] — are measured in several apertures along the slit. Using the multi-index simultaneous fitting method of Proctor et al. (2004), no significant s...
We prove that the diffusion coefficient for the asymmetric exclusion process diverges at least as fast as t 1/4 in dimension d = 1 and (log t) 1/2 in d = 2. The method applies to nearest and non-nearest neighbor asymmetric exclusion processes.
BACKGROUND Minimally invasive surgery (MIS) for trauma in pediatric cases remains controversial. Recent studies have shown the validity of using minimally invasive techniques to decrease the rate of negative and nontherapeutic laparotomy and thoracotomy. The purpose of this study was to evaluate the diagnostic accuracy and therapeutic options of MIS in pediatric trauma at a level I pediatric tr...
The title compound, C(26)H(34)O(9), a natural ent-kaurane diterpenoid, is composed of four rings with the expected cis and trans junctions. In the crystal structure, the mol-ecules stack along the a axis and are linked together by inter-molecular O-H⋯O hydrogen bonds.
We study a bosonic string with one end free and the other confined to a D0−brane. Only the odd oscillator modes are allowed, which leads to a Virasoro algebra of even Virasoro modes only. The theory is quantized in a gauge where world-sheet time and ordinary time are identified. There are no negative or null norm states, and no tachyon. The Regge slope is twice that of the open string; this can...
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