نتایج جستجو برای: بسامد بحرانی لایه f2 یونسپهر

تعداد نتایج: 45537  

Journal: :CoRR 2016
Hojjat Mostafanasab Ahmad Yousefian Darani

In the present paper we study the structure of cyclic DNA codes of even length over the ring F2 + uF2 + u 2 F2 where u 3 = 0. We investigate two presentations of cyclic codes of even length over F2 + uF2 + u 2 F2 satisfying the reverse constraint and the reverse-complement constraint.

Journal: :Inf. Syst. 1991
Charalampos I. Theodoulidis Pericles Loucopoulos Benkt Wangler

∃! Τ name(T) = name(X) + "_" + name(rel(x,y)) + "_" + name(Y) ∧ ∃! F1 ∈ Τ name(F1) = name(X) + "$" ∧ ∃! F2 ∈ Τ (is_entity(Y) → name(F2) = name(Y) + "$" ∨ is_value(Y) → name(F2) = name(Y)) ∧ ∃! F3 ∈ Τ name(F3) = name(validity_period(rel(X,Y))) + "$" ∧ is_entity(X) ∃! Τ name(T) = name(X) + "_" + name(rel(x,y)) + "_" + name(Y) ∧ ∃! F1 ∈ Τ name(F1) = name(X) + "$" ∧ ∃! F2 ∈ Τ (is_entity(Y) → name(F...

Journal: :The Journal of the Acoustical Society of America 2006
Robert H Withnell Jill Lodde

The 2f1-f2 distortion product otoacoustic emission (DPOAE) is thought to arise primarily from the complex interaction of components that come from two different cochlear locations. Such distortion has its origin in the nonlinear interaction on the basilar membrane of the excitation patterns resulting from the two stimulus tones, f1 and f2. Here we examine the spatial extent of initial generatio...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه قم - پژوهشکده فیزیک 1393

افت و خیزهای خلاء کوانتومی در مقیاس نانو مانند نیروی کازیمیر تاثیر قابل توجهی در ساخت و مونتاژ و همچنین عملکرد نانو دستگاه ها دارند.در این پایان نامه با بدست آوردن فرمول لیفشیتز به محاسبه نیروی کازمیر بین ورقه گرافین و زیرلایه آن در خلاء می پردازیم. ما با استفاده از مدل درود و پلاسما که برای توصیف ثابت گذردهی فلزات استفاده می شود ضرایب بازتاب زیرلایه را به دست می آوریم و همچنین از مدل تقریبی هی...

1992
René Schoof

A smooth, projective, absolutely irreducible curve of genus 19 over F2 admitting an infinite S-class field tower is presented. Here S is a set of four F2-rational points on the curve. This is shown to imply that A(2) = limsup#X(F2)/g(X) ≥ 4/(19 − 1) ≈ 0.222. Here the limit is taken over curves X over F2 of genus g(X)→∞.

2015
Frank Herrmann Sandra P. Whiteside Stuart Cunningham

This study investigated speaker sex differences in F2 Locus equations (F2 LEs) based on linearly (Hz) and tonotopically (Bark) scaled formant measurements. F2 data based on English monosyllabic words produced by thirteen women and eleven men were tonotopically scaled [20, 21] and F2 LEs were derived for both the linear and tonotopically scaled formant values. Although the overall sex difference...

2011
Yinghao Li Jiangping Kong

This paper presents the data on the anticipatory coarticulation of C2 and V2 on V1 in V1#C2V2 sequences in Standard Chinese. Electropalatographic measures and F2 trajectory were obtained to define the articulatory and F2 targets for V1 as well as the displacement for articulatory and F2 transition of V1. Results show that the articulatory target is affected only by C2 place, while C2 place, C2 ...

Journal: :Biological & pharmaceutical bulletin 2004
Moonkyu Kang Jung-Wan Oh Hee-Kyung Lee Hwan-Sock Chung Sang-Moon Lee Changsook Kim Hwa-Jin Lee Dong-Won Yoon Hyun Choi Hongyeoul Kim Minkyu Shin Moochang Hong Hyunsu Bae

PM-F2-OB is one of the most well-known traditional herbal medicines that are frequently used for the treatment of obesity in Korea. The anti-obesity effect of PM-F2-OB on rats fed a high-fat diet was investigated through analyses of changes in body weight, kidney fat weight, and blood biochemicals including cholesterol, free fatty acid, BUN, creatinine, HDL, LDL, phospholipids, SGOT, SGPT, tota...

2015
GIDEON SCHECHTMAN

For n ∈ N consider the n-dimensional hypercube as equal to the vector space F2 , where F2 is the field of size two. Endow F2 with the Hamming metric, i.e., with the metric induced by the `1 norm when one identifies F2 with {0, 1} ⊆ R. Denote by `2 (F2 ) the n-fold Pythagorean product of F2 , i.e., the space of all x = (x1, . . . , xn) ∈ ∏n j=1 F n 2 , equipped with the metric ∀x, y ∈ n ∏ j=1 F2...

2008
Ulrich Koschorke ULRICH KOSCHORKE

Given two maps f1, f2 : M −→ N between manifolds of the indicated arbitrary dimensions, when can they be deformed away from one another? More generally: what is the minimum number MCC(f1, f2) of pathcomponents of the coincidence space of maps f ′ 1 , f ′ 2 where f ′ i is homotopic to fi, i = 1, 2 ? Approaching this question via normal bordism theory we define a lower bound N(f1, f2) which gener...

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