نتایج جستجو برای: water resistance

تعداد نتایج: 911472  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه صنعتی اصفهان 1389
شیلا عدالت پور, احمد صابونچی, محمدرضا سلیم پور,

run-out-table (rot) is located between last finishing stand and down coiler in a hot strip mill. as the hot steel strip passes from rot, water jets impact on it from top and bottom and strip temperature decreases approximately from 800-950 °c to 500-750°c. the temperature history that strip experience while passing through rot affects significantly the metallurgical and mechanical properties, s...

Journal: :iranian journal of science and technology (sciences) 2010
n. arabzadeh

root and shoot osmotic and elastic properties of two species of haloxylon aphyllum and h.persicum in response to water stress were studied. the main goal of the study was to determine if the tissuesof two species utilize osmotic adjustment and/or enhance their elastic property during prolonged water stresscondition. the results showed that although tissue elasticity of both species of haloxylon...

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Journal: :journal of food quality and hazards control 0
i.k. kouadio food microbiology and biotechnology laboratory, nanguy abrogoua university, abidjan, côte d’ivoire n. guessennd a. dadié v. gbonon b. tiékoura m.b. ouattara

background: enterococcus spp., belonging to the group of lactic acid bacteria, are gram-positive ubiquitous commensals of the intestines of human beings as well as warm-blooded animals. the main objective of this study was to determine the occurrence and antimicrobial resistance of enterococcus spp. isolated from lettuce and irrigation water in abidjan, côte d'ivoire. methods: a total of 7...

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ژورنال: سلامت و محیط زیست 2017
رضاتوفیقی, سیده الهام, معتمدی, حسین, کیانی, لاله,

Background and Objective: The use of household water filter systems has been widely increasing in recent years because of water pollution.  In water filter systems, bacterial biofilm forms on the surface of the membranes, thereby increasing the possibility of transferring antibiotic resistance among bacteria and allowing their entry into the human body. This study analyzed the types of bacteria...

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ژورنال: مجله دانشگاه علوم پزشکی شهید صدوقی یزد 2020
Ghazalian, Farshad, Mousavi, Maryam,

Introduction: Improving balance in the daily lives of the elderly plays an important role, especially in reducing their risk of falling. Therefore, the aim of the present study was to investigate the effect of eight weeks water resistance training with dark chocolate supplementation on the balance of the elderly. Methods: In this study, 38 elderly people with an age range of 73-60 years were r...

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Journal: :علوم باغبانی 0
مجتبی دلشاد رقیه علفتاحی تکتم سادات تقوی مسعود پارسی نژاد

abstract low water holding capacity of soilless substrates increases water stress and waste of nutrient solution. irrigation time management can reduce such problems. in this research, responses of hydroponically cultured greenhouse strawberries were evaluated under different irrigation schedules. in first step, plant daily water need was estimated and then delivered to plants through two metho...

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Journal: :آب و خاک 0
حجت امامی امیر لکزیان مهدی مهاجرپور

abstract different definitions have been proposed for soil quality. various soil properties have been suggetsted as soil quality indices by researchers. this research was conducted to study the relationship between slope of retention curve at its inflection point (s index) and other soil physical quality indices, because the reserches between s index and soil physical properties are little. thi...

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Journal: :journal of agricultural science and technology 2012
hojat emami mohammad reza neyshabouri mahdi shorafa

soil quality is a necessary indicator of land management. different indices are applied to evaluate farming systems, soil types and land uses based on soil quality. the slope of retention curve at its inflection point has been defined as soil physical quality index (si) but the relationships between si and penetration resistance (pr), the least limiting water range (llwr), and available water c...

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پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - پژوهشکده مهندسی فرایند 1395
حسین حسن, حسن پهلوانزاده,

abstract: mineral scaling in oil and gas production equipment is one of the most important problem that occurs while water injection and it has been recognized to be a major operational problem. the incompatibility between injected and formation waters may result in inorganic scale precipitation in the equipment and reservoir and then reduction of oil production rate and water injection rate. ...

Journal: :international journal of nano dimension 0
z. abbasi young researchers and elite club, ilam branch, islamic azad university, ilam, iran. e. rezaee nezhad department of chemistry, payame noor university, po box 19395-4697 tehran, iran. v. moradi young researchers and elite club, ilam branch, islamic azad university, ilam, iran. f. moradi young researchers and elite club, ilam branch, islamic azad university, ilam, iran. o. ahmadi young researchers and elite club, ilam branch, islamic azad university, ilam, iran. a. homafar department of chemistry, eyvan-e-gharb branch, islamic azad university, eyvan, iran.

the aims of the study were to investigate the effect of poly(ε -caprolactone) (pcl) and nano- sio2 within the thermoplastic starch (tps) blends on the rate and extent of starch enzymatic hydrolysis using enzymes α-amylase and amyloglucosidase. the results of this study have revealed that blends with nano-sio2 content at 6 wt% exhibited a significantly reduced rate and extent of starch hydrolysi...

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