نتایج جستجو برای: clay mixture

تعداد نتایج: 115048  

Journal: :International Journal of Engineering Applied Sciences and Technology 2020

Journal: :Journal of dental research 1968
B H Ershoff S Bernick

" A supplement of 1% to 4% clay or 4% salt mixture caused an increase in body weight and prevented the pathologic changes. " " Findings indicated that the various clays differed significantly in growth-promoting activity (Table 4). The most active material tested was clay sample A (ION-MIN from CEM); whereas, clay sample J, kaolin, and hydrobiotite were virtually devoid of growth-promoting acti...

Journal: :علوم و تکنولوژی پلیمر 0
قاسم نادری محمدحسین بهشتی محسن بابامحمدی

nanocomposites based on phenolic resol and novolac resins and cloisite 30b were prepared. different kinds of phenolic resins and clay content were studied with respect to the morphology and mechanical properties of the polymer silicate layers. the phenolic resins, namely resol, novolac and their mixture and four different percentages of clay contents, 0.5, 1, 2 and 5 wt% have been considered. x...

Journal: :Baltic Journal of Road and Bridge Engineering 2022

In most construction works, crushed rock aggregates with angular shape are used as subgrade materials. However, naturally available rounded granular could be utilized in design of layers an alternative material for economic and environmental reasons. Therefore, a comparative study on the road pavement using two different shapes (angular rounded) same size (10–19 mm) has been conducted this pape...

حمیدرضا کریم زاده, , مصطفی کریمیان اقبال, , احمد جلالیان, , هادی مجدی, ,

Stabilizng sand dunes has been one of the main challenges in the arid regions. So far, different kinds of mulches have been used extensively for sand dune stabilization. This study was carried out to determine the optimum composition, concentration and thickness of clay mulch for sand dune stabilization. For this purpose two soil samples from clay flats of a playa with different amount of salin...

ژورنال: علوم آب و خاک 2006
حمیدرضا کریم زاده, , مصطفی کریمیان اقبال, , احمد جلالیان, , هادی مجدی, ,

Stabilizng sand dunes has been one of the main challenges in the arid regions. So far, different kinds of mulches have been used extensively for sand dune stabilization. This study was carried out to determine the optimum composition, concentration and thickness of clay mulch for sand dune stabilization. For this purpose two soil samples from clay flats of a playa with different amount of salin...

Journal: :international journal of civil engineering 0
a. hassanipour no. 26, west arghavan ave., north dibaji str., farmanieh , tehran, iran a. shafiee no. 26, west arghavan ave., north dibaji str., farmanieh , tehran, iran m.k. jafari no. 26, west arghavan ave., north dibaji str., farmanieh , tehran, iran

shear modulus and damping ratio are important input parameters in dynamic analysis. a series of resonant column tests was carried out on pure clays and sand-clay mixtures prepared at different densities to investigate the effects of aggregate content, confining stress, void ratio and clay plasticity on the maximum shear modulus and minimum damping ratio. test results revealed an increase in the...

Journal: :International Journal of Geo-Engineering 2018

Journal: :آب و خاک 0
مهدی دریائی سید محمود کاشفی پور

abstract due to the importance of using clay soil in many constructive projects such as, road foundation, irrigation canals and related hydraulic structures and etc., improvement of the physical and mechanical soil properties has been the main interest of the geo-technique specialists for years. in this regard different methods such as mixing clay soil with lime or cement have been used. it has...

Journal: :علوم و تکنولوژی پلیمر 0
لیلا حاتمی وحید حدادی اصل حسین روغنی ممقانی لیلا احمدیان علم مهدی سلامی کلجاهی دانشگاه صنعتی امیرکبیر

w       ater born poly(styrene-butyl acrylate)/clay nanocomposite latexes were synthesized by a novel initiating system of activators generated by   electron transfer (aget) in a system of atom transfer radical polymerization   (atrp). initially, the clay was swelled in a mixture of styrene, butyl acrylate,   and hexadecane. the mixture was then sonicated to obtain a stable miniemulsion. to   s...

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