نتایج جستجو برای: obligatory control
تعداد نتایج: 1334127 فیلتر نتایج به سال:
Background & Aim: The role of ryanodine receptor(RYR) on pacemaker activity of heart cells is controversial. Some investigators have suggested that it is obligatory, while others believe it is partial and not obligatory. The principle aim of this study was once more to characterize the role of ryanodine receptor(RyR) on the pacemaker activity of the sinoatrial node(SAN) and the atrioventric...
The element of control in modern anaesthesia is of special value in ophthalmology, where smooth operating conditions and a trouble-free respiratory period are obligatory. While this feature is of value in controlling bleeding, eye movements, and squeezing, the ability to control intra-ocular tension is of special significance. During operation chlorpromazine, promethazine and pethidine have bee...
We consider a problem of repeatedly scheduling n jobs on m parallel machines. Each job is associated with a profit that is gained each time the job is completed, and the goal is to maximize the average profit per time unit. Once the processing of a job is completed, it goes on vacation and returns to the system, ready to be processed again, only after its vacation is over. This problem has many...
Background and Objective: Breathing through the nose and mouth is one of the controversial issues during exercise. The present study was scheduled to investigate a quantitative approach to habitual versus the obligatory switching point from nasal to oronasal breathing during exercise as well as coincidence of soft palate movement as the main aims of this study, that has not been studied previou...
This study is about a set of appropriate nouns Napp in French. A sequence is said to be appropriate to a given context [Z.S. Harris, 1970, 1976, pp. 113-114] if it has the highest plausibility of occurrence in that context, and can therefore be reduced to zero. In French, the notion of appropriateness is often connected with a metonymical restructuration of the subject [A. Guillet, Ch. Leclère,...
We determine a class of triple systems such that each must occur in a triple system with uncountable chromatic number that omits T0 (the system consisting of two triples on four vertices). This class contains all odd circuit of length ≥ 7. We also show that consistently there are two finite triple systems such that they can separately be omitted by uncountably chromatic triple systems but not b...
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