نتایج جستجو برای: direct limit

تعداد نتایج: 605098  

Journal: :The European Physical Journal A 2022

In stars, the fusion of $^{22}$Ne and $^4$He may produce either $^{25}$Mg, with emission a neutron, or $^{26}$Mg $\gamma$ ray. At high temperature, ($\alpha,n$) channel dominates, while at low it is energetically hampered. The rate its competitor, $^{22}$Ne($\alpha$,$\gamma$)$^{26}$Mg reaction, and, hence, minimum temperature for dominance, are controlled by many nuclear resonances. strengths t...

2007
Shengtong Zhong Philippe Le Parc Jean Vareille

This paper presents the internet-based remote control of mobile robot. To face unpredictable Internet delays and possible connection rupture, a direct teleoperation architecture with “Speed Limit Module” (SLM) and “Delay Approximator” (DA) is proposed. This direct control architecture guarantees the path error of the robot motion is restricted within the path error tolerance of the application....

Journal: :Proceedings of the American Mathematical Society 1997

2010
Robert Scott Martin Farrokh Najmabadi

This work investigates the breakdown of the continuum relations for diffusion velocity in inert binary gas mixtures. Values of the relative diffusion velocities for components of a gas mixture may be calculated using of Chapman-Enskog theory and occur not only due to concentration gradients, but also pressure and temperature gradients in the flow as described by Hirschfelder. Because Chapman-En...

2002
Kamil Demirci

In this paper we extend concepts of statistical limit superior and inferior (as introduced by Fridy and Orhan) to I−limit superior and inferior and give some I−analogue of properties of statistical limit superior and inferior for a sequence of real numbers. Also we extend the concept of the statistical core to I−core for a complex number sequence and get necessary conditions for a summability m...

2010
ROBERT CARMIGNANI

For a Riemann domain Í2, a connected complex manifold where n (n = dimension) globally defined functions form a local system of coordinates at every point, and an arbitrary holomorphic function / in Í2, the "Riemann surface" Slf, a maximal holomorphic extension Riemann domain for /, is formed from the direct limit of a sequence of Riemann domains. Projective limits are used to construct an enve...

2005
Martin R. Bridson James Howie

If Γ 1 and Γ 2 are limit groups and S ⊂ Γ 1 × Γ 2 is of type FP 2 then S has a subgroup of finite index that is a product of at most two limit groups.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه الزهراء - دانشکده علوم پایه 1393

در این پایان نامه مجموعه ‎-w‎حدی برای مجموعه های ژولیا دندریت‎ ‎‎نگاشت های درجه دوم توصیف می شود. ‏با استفاده از نمایش نمادین بالدوین این فضاها، به عنوان فضای راه نامه غیرهاسدورف‏، نشان داده می شود که نگاشت های درجه دوم با مجموعه ژولیا دندریت دارای خاصیت تعقیب هستند و همچنین ثابت می شود که برای همه چنین نگاشت هایی، یک مجموعه بسته‏ ی ناوردا‏، مجموعه ‎-w‎حدی یک نقطه است اگر و تنها اگر به طور درون...

Journal: :The Clinical biochemist. Reviews 2008
David A Armbruster Terry Pry

* Limit of Blank (LoB), Limit of Detection (LoD), and Limit of Quantitation (LoQ) are terms used to describe the smallest concentration of a measurand that can be reliably measured by an analytical procedure. * LoB is the highest apparent analyte concentration expected to be found when replicates of a blank sample containing no analyte are tested. LoB = mean(blank) + 1.645(SD(blank)). * LoD is ...

Journal: :Optics express 2007
Wei-Ren Peng Sien Chi

We analytically obtain the exact fundamental limit of 4-level amplitude shifted keying formats (4ASK) with direct detection optically preamplified receivers. The optimum multilevel spacing and the corresponding decision thresholds, which depend both on the signal to noise ratio and optical bandwidth, are obtained numerically considering the Chi-squared distribution of each level. The quantum li...

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