نتایج جستجو برای: recovery empty period

تعداد نتایج: 694024  

حبیب الله مهدی پور, ,

  This research project is a field study to investigate the complications of general anaesthesia with mask in patients under surgery in a hospital affiliated to University of Medical Sciences Iran. The specific goals of this study are as follows:   -To determine some of the characters of patients under study.   -To determine the complications of general anesthesia with mask during surgery in on...

2009
JOEL HASS TAHL NOWIK

We show that for any given n, there exists a sequence of words {ak}k≥1 in the generators σ1, . . . , σn−1 of the braid group Bn, representing the identity element of Bn, such that the number of braid relations of the form σiσi+1σi = σi+1σiσi+1 needed to pass from ak to the empty word is quadratic with respect to the length of ak.

Journal: :Theor. Comput. Sci. 2013
Hossein Nevisi Daniel Reidenbach

If, for a morphism σ : ∆∗ → Σ∗ (where ∆ and Σ are arbitrary alphabets) and a word α ∈ ∆∗, there exists another morphism τ mapping α to σ(α), then σ is called ambiguous with respect to α ; if such a τ does not exist, then σ is unambiguous. For example, the morphism σ0 : {A,B,C}∗ → {a,b}∗ – given by σ0(A) := a, σ0(B) := a, σ0(C) := b – is ambiguous with respect to the word α0 := ABCACB, since the...

Journal: :Formalized Mathematics 2011
Marco Riccardi

Let x, y be sets. Observe that {〈x, y〉} is one-to-one. In the sequel n denotes a natural number. One can prove the following two propositions: (1) For every non empty topological space T holds T and T ΩT are homeomorphic. (2) Let X be a non empty subspace of En T and f be a function from X into R1. Suppose f is continuous. Then there exists a function g from X into En T such that (i) for every ...

Journal: :Theor. Comput. Sci. 2003
José Carlos Costa

A finite non-empty word z is said to be a border of a finite non-empty word w if w = uz = zv for some non-empty words u and v. A finite non-empty word is said to be bordered if it admits a border, and it is said to be unbordered otherwise. In this paper, we give two characterizations of the biinfinite words of the form uvu, where u and v are finite words, in terms of its unbordered factors. The...

Journal: :Rairo-operations Research 2021

This paper considers the equilibrium balking behavior of customers in a single-server Markovian queue with variable vacation and interruption, where server can switch across four states: vacation, working idle period, busy period. Once becomes empty, commences slows down its service rate. However, this period may be interrupted anytime by interruption. Upon completion takes probability-based ma...

2009
M. P. de Brito R. Konings

In this paper we look into the management of empty maritime containers by making use of reverse logistics theory. We map the reverse logistics system, identifying the drivers for recovery, the characteristics of the containers, why they are being returned, how they are being recovered and by whom. We identify that empty maritime container management has to address mainly the management of the c...

Journal: :Fermentation 2021

The glucan-rich fraction, hemicellulosic compounds-rich and a mixture of both fractions obtained from organosolv pretreatment oil palm empty fruit bunch (OPEFB) were used as substrates to produce volatile fatty acids (VFAs) in acidogenic fermentation. In this study, the effects medium adjustment (carbon nitrogen ratio trace elements supplementation) methanogenesis inhibition (through addition 2...

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