نتایج جستجو برای: contractions

تعداد نتایج: 23024  

Journal: :Axioms 2023

The idea of enriched mappings in normed spaces is relatively a newer idea. In this paper, we initiate the study modular function spaces. We first introduce concepts ρ-contractions and ρ-Kannan then establish some Banach Contraction Principle type theorems for existence fixed points such setting. Our results are generalizations corresponding from to those contractions ρ-contractions. make ever a...

Journal: :Miskolc Mathematical Notes 2021

In this paper, we employ two types of implicit relations to define some new kind proximal contractions and study about their best proximity points. More precisely, use class functions $\mathcal{A}$ $\mathcal{A}'$ explore $\mathcal{A}$, $\mathcal{A}'$-contractions first second type strong $\mathcal{A}'$-contractions. We investigate the existence point results same. It is worth mentioning that we...

Journal: :trauma monthly 0
asser m. youssef chandler regional medical center, college of medicine-phoenix, university of arizona, arizona, usa; chandler regional medical center, college of medicine-phoenix, university of arizona, arizona, usa. tel: +1-9174061309, +1-3186756355, fax: +1-3186754689 alireza hamidian jahromi department of surgery, louisiana state university health sciences center-shreveport, los angeles, usa cuthbert o. simpkins vivacelle bio, inc. enterprise works chicago, chicago, illinois, usa

conclusions ia fluid resuscitation is superior to iv resuscitation in hemorrhagic shock induced cardiac arrest. results while iv rl infusion failed to restore chest motion in mice (n = 5), ia rl infusion restored chest motion in all mice examined (n = 6) (p = 0.0067). in three mice, iv rl infusion after cardiac arrest showed no effect on cc. after failure of venous infusion, ia rl infusion was ...

A. Razani M. Yazdi

Recently, Zhang and Song [Q. Zhang, Y. Song, Fixed point theory forgeneralized $varphi$-weak contractions,Appl. Math. Lett. 22(2009) 75-78] proved a common fixed point theorem for two mapssatisfying generalized $varphi$-weak contractions. In this paper, we prove a common fixed point theorem fora family of compatible maps. In fact, a new generalization of Zhangand Song's theorem is given.

2008
M. Akram A. A. Zafar A. A. Siddiqui

In this article we introduce a new class of contraction maps, called A-contractions, which includes the contractions studied by R. Bianchini, M. S. Khan, S. Reich and T. Kannen. It is shown that the class of A-contractions is proper super class of Kannan’s and Khan’s contractions. Several results due to B. Ahmad, F. U. Rehman, Z. Chuanyi, N. Shioji et al. are extended to the A-contractions. We ...

Journal: :international journal of reproductive biomedicine 0
akram ahangarpour ali akbar oroojan

background: cassia italica or senna is a wild plant distributed in south of iran. it increased water consumption and has a laxative effect. in traditional medicine this plant has been used for the dysmenorrheal. objective: in this study we investigated the effect of aqueous extract of cassia italica on uterus contraction. materials and methods: virgin wistar rats 200-300g were purchased. after ...

Journal: :iranian journal of pharmaceutical research 0
gharib naseri mk h yahyavi m arabian

onion (allium cepa) bulb from liliaceae has antioxidant, spasmolytic and antihypertensive activities. the aim of present study was to investigate the antispasmodic effect of onion peel on rat ileum contractility. onion peel powder was extracted by maceration in 70% alcohol for 72 h. a terminal portion of ileum from male wistar rat was dissected and its contractions were recorded isotonically in...

Journal: :Journal of applied physiology 2002
Francis X Pizza Timothy J Koh Stephen J McGregor Susan V Brooks

We tested the hypotheses that lengthening contractions, isometric contractions, and passive stretches increase muscle inflammatory cells (neutrophils and macrophages) and that prior conditioning with lengthening contractions, isometric contractions, or passive stretches reduces neutrophils and macrophages after subsequent lengthening contractions. Extensor digitorum longus muscles in anesthetiz...

DUSAN B. BELESLIN, SLOBODAN M JANKOVIC,

Up to date, there are four pharmacologically characterized subtypes of muscarinic receptors (M1, M2, M3 and M4). In our study we have investigated muscarinic receptor subtypes in smooth muscle layers of human stomach. Isolated preparations of longitudinal and circular muscle layers from human stomach were used. Acetylcholine, bethanechol, carbachol, pilocarpine and AHR -602 produced concen...

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