Background: The present study aimed to investigate the Nailfold Capillaroscopy (NC) features of the patients with dermatomyositis (DM) and its correlation with their disease activity indices, physical findings, and laboratory results. Methods: The present cross-sectional study was conducted on 27 DM patients above 16 years old who had referred to an(there are 3 clinics not one) outpatient rh...

for a finite field $mathbb{f}_q$, the bivariate skew polynomial ring $mathbb{f}_q[x,y;rho,theta]$ has been used to study codes cite{xh}. in this paper, we give some characterizations of the ring $r[x,y;rho,theta]$, where $r$ is a commutative ring. we investigate 2-d skew $(lambda_1,lambda_2)$-constacyclic codes in the ring $r[x,y;rho,theta]/langle x^l-lambda_1,y^s-lambda_2rangle_{mathit{l}}.$ a...

electrospinning was applied to nitrocellulose (nc) solutions  in dmf, dmso  and  ethyl  methyl  keton  to  obtain  nc  nanofibers. electrospraying  process  was  observed  when  dmf  was  used  as solvent.  in  comparison  to nc/dmf, nc/dmso  solution  resulted  in the  formation  of  a  coating  film  as  indicate  by  sem.  two  different electrospun  nanofibers,  smooth  nanofibers  with  90...

We show that the product of n 3 3 matrices of n-bit integers can be computed in P -uniform FNC1. Since this problem is complete [BOC92] for formul in f+; g on n-bit integers, we conclude that \algebraic NC1" on integers is equal to the usual Boolean notion of NC1 functions.

7. Let G be a group of finite order and identity e. Suppose that φ is an automorphism of G onto itself with the following properties: (1) φ(x) = x if and only if x = e; (2) φ(φ(x)) = x for each element x of G. (The mapping φ has the property that it is one-one onto and that φ(xy) = φ(x)φ(y) for each pair x, y of elements of G.) (a) Give an example of a group and automorphism for which these con...

Low-density parity-check (LDPC) codes were introduced in 1962, but were almost forgotten. The introduction of turbo-codes in 1993 was a real breakthrough in communication theory and practice, due to their practical effectiveness. Subsequently, the connections between LDPC and turbo codes were considered, and it was shown that the latter can be described in the framework of LDPC codes. In recent...

In time hopping impulse radio, Nf pulses of duration Tc are transmitted for each symbol. This gives rise to two types of processing gain: (i) pulse combining gain, which is a factor Nf , and (ii) pulse spreading gain, which is Nc = Tf=Tc, where Tf is the mean interval between two subsequent pulses. This paper investigates the tradeoff between these two types of processing gain with and without ...

We study the set S nc(p, q) of annular non-crossing permutations of type B, and we introduce a corresponding set NC(p, q) of annular non-crossing partitions of type B, where p and q are two positive integers. We prove that the natural bijection between S nc(p, q) and NC (p, q) is a poset isomorphism, where the partial order on S nc(p, q) is induced from the hyperoctahedral group Bp+q, while NC ...