شرایط افروزش و اشتعال سوخت‌های گداخت هسته‌ای در حضور ناخالص­‌ها، یکی از موارد مهمی است که طراحی قرص‌های سوخت باید مورد توجه قرار گیرد. این مقاله اثر ناخالصی هسته سنگین طلا بر کلیه فرایندهای احتراق پلاسمای غیرتعادلی دوتریم- تریتیم مدل چهار دمایی آن شکل تابع توزیع انرژی رفتار فوتون‌ها تأثیر می‌گذارد بررسی گرفته است. مطالعه شامل اثرات منفی سوخت، طول زمان تشکیل لکه داغ نتایج محاسبات عددی به­ دست آم...

In this paper we consider a family of active scalars with velocity field given by u = ? ? 1 + ? ? ? ? , for ? ( 0 ) . This equations is more singular version the two-dimensional Surface Quasi-Geostrophic (SQG) equation, which would correspond to We evolution sharp fronts studying families almost-sharp fronts. These are smooth solutions simple geometry in transition solution occurs tubular neigh...

The Kolmogorov Zero-One law states that for tail events on infinite-dimensional probability spaces, the probability must be either zero or one. Behavior analogous in a natural sense to this exists on finite-dimensional spaces as well. Events exhibiting this behavior are said to have a sharp threshold. Let Qn = {0, 1}n be the discrete hypercube with the probability measure Pp defined by Pp(ω1, ω...

We present measures for bounding the instance-based complexity of AND/OR search algorithms for solution counting and related #P problems. To this end we estimate the size of the search space, with special consideration given to the impact of determinism in a problem. The resulting schemes are evaluated empirically on a variety of problem instances and shown to be quite powerful.

We analyze strong one-pion and radiative one-photon decays of heavy flavored baryons within a relativistic three-quark model. Employing the same parameters as were used for the description of the semileptonic decays of heavy baryons, we calculate the couplings of one-pion and one-photon transitions of both ground and excited heavy baryon states. We predict the decay rates for all relevant decay...

I report the following case only to show one more instance of the great value and utility of the new photography in aid of diagnosis and treatment in practical surgery. Mrs. B. consulted me on June 22nd with the following history. When retiring to bed on June 7th she felt a sharp pain in her foot, but did not know the cause until, after search,