نتایج جستجو برای: bn

تعداد نتایج: 8158  

Journal: :Computers & Mathematics with Applications 2006

Journal: :American journal of physiology. Heart and circulatory physiology 2004
Ines Drenjancevic-Peric Julian H Lombard

To evaluate the potential role of impaired renin-angiotensin system (RAS) function in contributing to reduced vascular relaxation in Dahl salt-sensitive (S) rats, responses to ACh (10(-6) mol/l) and hypoxia (Po(2) reduction to 40-45 mmHg) were determined in isolated middle cerebral arteries of Dahl S rats, Brown Norway (BN) rats, and consomic rats having chromosome 13 (containing the renin gene...

Journal: :Journal of abnormal psychology 2017
Cheri A Levinson Stephanie Zerwas Benjamin Calebs Kelsie Forbush Hans Kordy Hunna Watson Sara Hofmeier Michele Levine Ross D Crosby Christine Peat Cristin D Runfola Benjamin Zimmer Markus Moesner Marsha D Marcus Cynthia M Bulik

Bulimia nervosa (BN) is characterized by symptoms of binge eating and compensatory behavior, and overevaluation of weight and shape, which often co-occur with symptoms of anxiety and depression. However, there is little research identifying which specific BN symptoms maintain BN psychopathology and how they are associated with symptoms of depression and anxiety. Network analyses represent an em...

2017
Zhongguang Xu Hao Tian Alireza Khanaki Renjing Zheng Mohammad Suja Jianlin Liu

Two-dimensional (2D) hexagonal boron nitride (h-BN), which has a similar honeycomb lattice structure to graphene, is promising as a dielectric material for a wide variety of potential applications based on 2D materials. Synthesis of high-quality, large-size and single-crystalline h-BN domains is of vital importance for fundamental research as well as practical applications. In this work, we rep...

2017
Tatiana Makhalova Lhouari Nourine Rudolf Wille

In this paper a new incremental algorithm for computing nconcepts is proposed. The time complexity of the algorithm is O(|I| · In · |Bn|), where |I| is the size of a context (an n-ary relation), In = |K1||Bn−1| is the input, where K1 is a set corresponding to an added dimension and Bn−1 is the set of (n− 1)-concepts. The output Bn of the algorithm is a set of n-concepts. The algorithm creates n...

2015
Grzegorz Dymek Andrzej Walendziak

The notions of an ideal and a fuzzy ideal in BN-algebras are introduced. The properties and characterizations of them are investigated. The concepts of normal ideals and normal congruences of a BN-algebra are also studied, the properties of them are displayed, and a one-to-one correspondence between them is presented. Conditions for a fuzzy set to be a fuzzy ideal are given. The relationships b...

2008
Martin Hildebrand

Chung, Diaconis, and Graham considered random processes of the form Xn+1 = anXn + bn (mod p) where p is odd, X0 = 0, an = 2 always, and bn are i.i.d. for n = 0, 1, 2, . . .. In this paper, we show that if P (bn = −1) = P (bn = 0) = P (bn = 1) = 1/3, then there exists a constant c > 1 such that c log2 p steps are not enough to make Xn get close to uniformly distributed on the integers mod p.

2002
A. Zettl W. Mickelson

We demonstrate that boron nitride (BN) nanotubes can be filled "peapod" fashion with C60 molecules. Filling small-diameter BN nanotubes results in a linear chain of C60 molecules in the interior, while filling large diameter BN nanotubes leads to nanorods of crystalline C60 in the interior. Electron beam damage can be used to fuse the encapsulated C60 molecules into carbon nanotubes, leading to...

2011
JUAN GONZÁLEZ-MENESES ENRIC VENTURA

In this note we solve the twisted conjugacy problem for braid groups, i.e. we propose an algorithm which, given two braids u, v ∈ Bn and an automorphism φ ∈ Aut(Bn), decides whether v = (φ(x))−1ux for some x ∈ Bn. As a corollary, we deduce that each group of the form Bn o H, a semidirect product of the braid group Bn by a torsion-free hyperbolic group H, has solvable conjugacy problem.

Journal: :Journal of the American Chemical Society 2005
Chengchun Tang Yoshio Bando Yang Huang Shuanglin Yue Changzhi Gu FangFang Xu Dmitri Golberg

Fluorination of BN nanotubes has been performed using a catalytic growth method, which leads to the appearance of markedly curved fluorine-doped BN sheets and converts originally insulating BN nanotubes to semiconductors, as confirmed by the comparative electron transport four-probe measurements on doped and undoped individual BN nanotubes.

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