نتایج جستجو برای: and passive
تعداد نتایج: 16836677 فیلتر نتایج به سال:
this paper focused on the characterization of electrochemical behavior of a martensitic stainless steel inthe acidic solutions. for this purpose, electrochemical parameters were derived from potentiodynamicpolarization, mott schottky analysis and electrochemical impedance spectroscopy (eis) techniques.the potentiodynamic polarization results showed that corrosion current density of aisi 420 sta...
introduction: melanin pigmentation in the oral mucosa occurs as a result of several reasons one of which is smoking. cigarette smoke induces numerous side effects in the people who do not smoke, but are in the same environment. the aim of this study was to evaluate the role of parental smoking on pigmentation of their children's oral mucosa. materials and methods: this study was carried out as ...
Background and Aim: Since buildings are constantly exposed to threats, it is necessary that they be fully prepared to confront with all threats and their damages. Therefore, using the passive defense basics and principles in designing and constructing the buildings are considered obvious and undeniable. To prevent or reduce disasters caused by flood, earthquake, and war and so on, solutions suc...
Iontophoresis is one of the skin permeation enhancement methods involving the transport of drugs through the skin under the effect of electrical current. The effect of molecular charge on the iontophoretic permeation of drugs has not been completely understood yet. Therefore the effect of passive and iontophoretic permeation of L-phenylalanine at pH 3.6 (positive charge) and pH 8 (negative ch...
بررسی اثر کروسین متعاقب ایجاد مدل صرعی با هیپوکسی بر حافظه احترازی و فعالیت حرکتی در موش صحرایی جوان
Background & Aims: Hypoxia is the most common cause of seizures in the neonatal period. Seizure induced by hypoxia cause permanent increases in excitability of neurons and by changing in activity and synaptic plasticity leads to memory impairment. Crocins (Crocus sativus L.) is a water-soluble carotenoid and is the most important active components of saffron. Most studies indicate that crocin h...
Background and objective: Water supply networks are among the main and vital infrastructures of any city, therefore maintaining the safety of water supply facilities and considering necessary arrangements during encountering the critical conditions is among the main concerns of officials related to security issues of any country. For this purpose, investigation of these facilities in terms of p...
background and objective: tamoxifen is one of the selective estrogen receptor modulators that exerts estrogen / anti-estrogen effects in various tissues. this study was done to evaluate the effect of chronic administration of tamoxifen on spatial memory and passive avoidance task in adult male wistar rats. methods: in this experimental study, 48 adult male wistar rats were randomly divided into...
In this study, the efficacy of Coriandrum and salvia extracts in spatial and passive avoidance memory in mice was studied. 56 male mice (25-30g) divided randomly into 8 groups: negative control, positive control and extract administered (50, 100 and 200 mg/kg of both plants), and treated for 25 days. negative and positive control group received normal saline and Ritalin respectively. After trai...
Interaction of Intrahippocampal Injection of Naltheroxone and Corticosterone on Consolidation and Retreival Memory Processes in Passive Avoidance Task in Rat AA. Vafaei [1] , A. Rashidy-Pour [2] Received: 15/01/08 Sent for Revision: 01/07/08 Received Revised Manuscript: 15/09/08 Accepted: 20/10/08 Background and Objectives Previous studies suggested that the role of corticostero...
background and objective: lack of sleep (insomnia) is a common problem involving society members and inpa-tients causing different physiological effects. treatment includes a variety of several pharmacologic or other techniques. one of the non-pharmacologic methods is local heating of terminal organs (passive body heating). manipulation of body temperature is a potential therapeutic interventio...
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