نتایج جستجو برای: 50 reduction in initial stiffness nf50
تعداد نتایج: 17123230 فیلتر نتایج به سال:
Introduction: Discharge of textile wastewater causes the reduction of sunlight penetration, interferes with the receiving waters ecology and damage the environment. The aim of this study was to determine the removal efficiency of reactive blue 19 dye from aqueous solutions by cuttlefish bone powder. Materials & Methods: This study was performed experimentally and in laboratory scale. In thi...
This study was aimed at studying the effect of yoga package (YP) with some selected asanas, Pranayama, Cleansing Practices, and Meditation on pain intensity, Inflammation, Stiffness, Pulse Rate(PR), Blood Pressure(BP), Lymphocyte Count( LC), Creactive protein(CRP), and Uric Acid(UA) level among subjects of Rheumatoid Arthritis (RA). Two Randomized Group Design was employed for pre and post obse...
Recent laboratory investigations conducted on soils prone to mud pumping have shown that the subgrade soil experiences softening associated with an internal redistribution of moisture when cyclic stress ratio (CSR) exceeds a certain critical level. This article aims evaluate stiffness degradation these problematic subjected wide range loading conditions. The test results revealed instability sp...
This short review describes the effects of drugs and nonpharmacologic treatments on large artery stiffness in clinical trials. Arterial stiffness is generally accepted as a predictive factor for cardiovascular morbidity and mortality. The drug-induced reduction in arterial stiffness may parallel the reduction in cardiovascular work. This review summarizes the discussion of a task force that wor...
cognitive studies of translation process have recently been awarded a great deal of attention. there exists a psychological angle to almost all translation activities. the present study, thus, deals with analysing the relationships between iranian prospective translators tolerance for ambiguity (ta) and their willingness to translate (wtt). the research was conducted as a mixed methods study, d...
abstract to resist lateral loads in concrete buildings, usually systems such as flexural frame, shear wall or their combinations are used. using x form of cable bracing in order to strengthen concrete buildings is a new method. this system is more economical compared with the other systems due to cables low weight, high tensile resistance, easy performance and less maintenance problems. in this...
ABSTRACT: The object of this paper is to identify the optimal combination of hysteresis-model and damping parameters that lead to the best correlation between the calculated and measured seismic response. The combined effects of five parameters are investigated: initial stiffness, bond-slip deformations, post-yield stiffness, unloading stiffness, and type of damping. The first four of these par...
در این پروژه ترکیبات 3-آریل-2h-بنزو[b]-4،1-اکسازین ها از مواد اولیه تجاری مشتقات دو آمینو فنول و ?-هالو کتون های آروماتیک در مایع یونی 1-اکتیل-3-متیل ایمیدازولیوم تترا فلورو بورات([omim]bf4) سنتز شده است. این واکنش توسط باز پتاسیم کربنات محلول از طریق o-آلکیلاسیون و سپس یک واکنش آمیداسیون درون مولکولی خود بخود در مدت زمان کوتاه انجام می شود. ترکیبات 4،1-بنزوکسازین به این روش با بهره خوب تا آلی ...
The main goal of this research is to study the failure behavior cement-fiber-treated sand under triaxial direct tension condition tests. Thus, a new loading system and cell was designed built for tensile loading. Samples were prepared with content cement 3 5% (dry wt.) sand, while two types polypropylene fibers 0.024 m in length 23 μm 300 thick added at 0.0% 0.5% mixture. After seven-day curing...
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