نتایج جستجو برای: 200mm
تعداد نتایج: 161 فیلتر نتایج به سال:
prosopis cineraria (l.) druce (kahour in persian) is a native and indicative species of saharo-sindian region. prosopis forest in iran extends from the beach of persian gulf and oman sea in boushehr, hormozgan and sistan-baluchistan provinces to south of kerman province. in this research ecological conditions of prosopis such as floristic diversity, climate, soil and the biomass were studied. i...
In the machining world, development of predictive models is one remedy to reducing tool failure and its associated challenges like reduction in integrity machined parts, production shutdown idle time for machine operators. this research, we want show how robust Finite Element (ANSYS) method is, by comparing capacity experimental operation. To achieve scope study, Seventeen (17) varying set expe...
Salinity is a major abiotic stress that affects plant growth and productivity. To cope with salt stress, plants express large number of responsive genes proteins are involved in wide range cellular functions. In the present study, halophytic Suaeda maritima (L.) Dumort. were hydroponically exposed to NaCl for understanding molecular mechanisms behind salinity tolerance using PCR-based Suppressi...
.Salt stress is one of the major abiotic stresses especially in arid and semi-arid regions. This investigation was conducted to evaluate the effects of the salt stress on Ascorbate Peroxidase (APX) and Superoxide Dismutase (SOD) activities in safflower genotypes based in on a factorial experiment as a Completely Randomized Design (CRD) with three replications. The experimental factors were six ...
Evaluation of the physiological and biochemical traits can help to identify strategies for selection of resistant cultivars and increased crop yield production under diverse environmental conditions such as SALT stress conditions. To this end, an experiment was conducted in a greenhouse based on a completely randomized design (CRD) with three replications. The experimental factors were six...
This study was conducted to evaluate the genetic diversity of sugar beet half sib inbred lines (48 lines and one control cultivar) under water stress (200mm of class A evaporation pan) in field conditions in a randomized complete block design with three replicates in Khorasan Razavi Agricultural and Natural Resources Research and Education Center in 2015. In this research, traits such as root y...
Abstract The Optically Segmented Single Volume Scatter Camera (OS-SVSC) aims to image neutron sources for non-proliferation applications using the kinematic reconstruction of elastic double-scatter events. Our prototype system consists 64 EJ-204 organic plastic scintillator bars, each measuring 5mm × 200mm and individually wrapped in Teflon tape. array is optically coupled two silicon photomult...
to study the effect of salinity on physiological and morphological traits of chickpea in 2010 at faculty of agriculture and natural resources, university of tehran with seven chickpea genotypes. two experiments design was rcbd with 3 replications and 5 levels of salinity stress (ctrl, 200, 150, 100, 50 mm) for laboratory experiment on germination indices and greenhouse experiment on physiologic...
Modeling of Unreinforced and Reinforced Pavement Composite Material Using HISS Model (RESEARCH NOTE)
With the advent of high strength geogrids, the interest of civil engineers in using geosynthetics as reinforcement material in pavement construction has increased. An experimental study is carried out at IIT Delhi to understand the effect of geogrid in unpaved roads. Behavior of composite material, which comprises of Yamuna sand as subgrade and Water Bound Macadam (WBM) as base course is studie...
آزمایش مقاومت فشاری بتن یکی از مهمترین آزمایشات برای کنترل کیفیت بتن در سازه های عمرانی محسوب شده و بر اساس شرایط کارگاهی و ضوابط آیین نامه ها و استاندارهای مرتبط، قالبهایی با اشکال و ابعاد مختلف (مکعبی و استوانه ای) برای تهیه نمونه های آزمایشی مورد استفاده قرار می گیرند. هدف از انجام این تحقیق بررسی و تعیین تغییرات ضرایب تبدیل مقاومت نمونه ها با اشکال و ابعاد مختلف به یکدیگر برای بتن رده C25 ...
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