Skin flaps are frequently performed for diabetic patients in spite of countless detrimental effects of diabetes on flap survival, most of which may result from a defective response of the tissues to low oxygen tension. In this study, the authors explored the feasibility of applying human adipose-derived stem cells (ASCs) to increase the viability of… (More)
The existence of a unique nonnegative time-dependent solution to the repairable system with N failure modes and one standby unit is obtained by using $C_0$-Semigroup theory. The spectral properties and the essential spectrum bound of the stand-by system are discussed by using perturbation method. In the end, we get the desired result that the dynamic… (More)
In this paper, we discuss a system consisting of two redundant robots and one safety unit. Formulate for reliability indices of the studied system are presented. A numerical example is given to illustrate the results obtained in this article.
In this paper, we investigate a two-unit standby redundant electronic equipment system under human failure. Using functional analysis and C<sub>0</sub>-semigroup theory, we first prove the system operator is a densely defined resolvent positive operator. Then, we obtain the ad joint operator of the system operator and its domain and the spectra distribution… (More)
BACKGROUND Left ventricular hypertrophy (LVH) was suggested to be an important risk factor for hypertensive vascular complications. Previous studies had also shown that red cell distribution width (RDW) was associated with morbidity and mortality of cardiovascular disease. However, few have yet investigated possible association between RDW and LVH. The aim… (More)
Based on the theory of the Lagrange's method of multipliers, prove the problems of restricting the part of the best restrictive optimization problem needing to the K-T conditions skillfully. This method can avoid the trivial derivation, rely on the superior difficulty knowledge, it is easy to understand and command.
A repairable system model which is consisted of two redundant robots and one safety unit is established in this paper. We are devoted to discussing the unique existence of the solution and the stability of the studied system by analyzing the spectrum distribution of the system operator in detail. Thus we can obtain stability analysis of the studied… (More)
The β-carbonic anhydrase (β-CA) is regarded as a zinc-containing enzyme involved in photosynthesis. Here, the rice plants of cv. N22 were treated with foliar spray at a Zn2+ concentration range from 0–35.0 mM during the tillering stage. The β-CA expression in the treated leaves was quantitatively determined by RT-qPCR and gel-based immunoblotting… (More)