نتایج جستجو برای: term memory in cement industry time

تعداد نتایج: 17308474  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه خلیج فارس - دانشکده مهندسی 1393

in civil engineering concrete is a material combined of hydraulic cement, sand, gravel and water. gravel and sand compose 60 to 70 percent of concrete. these aggregates support compression force of concrete. cement paste acts as glue to stick grain together. in bushehr factories producing aggregates do not operate according to astm standards, so that fineness modulus (fm) of the produced sands ...

2013
Muhammad Imran Qureshi Mehwish Iftikhar Mansoor Nazir Bhatti Tauqeer Shams Khalid Zaman

In recent years, inventory management is continuous challenge for all organizations not only due to heavy cost associated with inventory holding, but also it has a great deal to do with the organizations production process. Cement industry is a growing sector of Pakistan's economy which is now facing problems in capacity utilization of their plants. This study attempts to identify the key strat...

Jahanimoghadam, F., Pourgholamali, N., Shojaeepour, S., Shojaeipour, R.,

Background and Objectives: Tooth extraction is one of the ways to treat dental diseases. The aim of this study was to determine the effect of different molar tooth extraction patterns on short-term and middle-term memory in rats. Materials and Methods: In this experimental study, 45 male Wistar rats were divided into three groups: control group (C) without pulling, pulling group 1 (E1) by pull...

Journal: :journal of biomedical physics and engineering 0
s jarideh s taeb sm pishva m haghani s sina sar mortazavi

background: airport workers are continuously exposed to different levels of radiofrequency microwave (rf/mw) radiation emitted by radar equipments. radars are extensively used in military and aviation industries. over the past several years, our lab has focused on the health effects of exposure to different sources of electromagnetic fields such as cellular phones, mobile base stations, mobile ...

hojjatalah alaei, hplamreza ghavipanjeh, reihaneh hoveida, shahrbanoo oryan,

Introduction: Previous studies have shown that exercise enhances cognitive and functional capacities in patients with Alzheimer's disease (AD). In this study, we investigated the effect of long-term (60 days) and short- term (10 days) exercise on the spatial memory deficits in an animal model of AD. Methods: Fifty male rats were divided into 5 groups 1) intact, 2) sham, 3) sham-Alzheimer 4) ...

Introduction On one hand, economic development as a fundamental section in every country's policies has a close relation to industry and technology, and on the other hand it is related to environmental pollutions. Considering the fundamental role of industry in the process of development in developing countries, the relation between industrial activities and the rate of pollution caused by i...

Atefeh Fadaei, Hossein Miladi-Gorji, Imanollah Bigdeli, Masomeh Nikfarjam- Haft Asia

Objective(s): There is controversial evidence about the effect of methamphetamine (METH) on spatial memory. We tested the time- dependent effects of METH on spatial short-term (working) and long-term (reference) memory in METH –sensitized and withdrawn rats in the Morris water maze. Materials and Methods: Rats were sensitized to METH (2 mg/kg, daily/5 days, SC). Rats were trained in water maze ...

پایان نامه :دانشگاه بین المللی امام خمینی (ره) - قزوین - دانشکده مهندسی معماری و شهرسازی 1388

nowadays,tourism industry considered as one of the main sources of income of a country.unfortunately and despite of owning plenty of cultural historical and natural attractions, iran has not reached to a proper position in this field. besides, the historical cities of a country are considered as the income resource and national wealth of it. qazvin with a rich cultural precedent, have suitable ...

Journal: :asian journal of sports medicine 0
hakimeh saadati department of physiology, ardabil university of medical science, ardebil, ir iran shirin babri neuroscience research center, tabriz university of medical sciences, tabriz, ir iran/ department of naser ahmadiasl department of physiology, faculty of medicine, tabriz university of medical sciences, tabriz, ir ira mohammad mashhadi healthy center, ardabil university of medical sciences, ardebil, ir iran

purpose previous studies have shown that physical activity improves learning and memory. present study was performed to determine the effects of short term and long term treadmill exercise on learning, memory consolidation and retrieval of passive avoidance learning in an animal model. methods in this study fifty male wistar rats with 3-4 months of age were randomly divided into five groups (n=...

پایان نامه :وزارت بهداشت، درمان و آموزش پزشکی - دانشگاه علوم پزشکی و خدمات بهداشتی درمانی مشهد - دانشکده دندانپزشکی 1390

objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...

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