نتایج جستجو برای: nes
تعداد نتایج: 3235 فیلتر نتایج به سال:
در این تحقیق به بررسی انتقال هدفمند غیرخطی انرژی به وسیل? تقابل رزونانسی بین یک مدل مقطع بال صلب دو درج? آزادی و انواع مختلف چاه های غیرخطی انرژی (nes) پرداخته می شود. در حقیقت نشان داده می شود که این امکان وجود دارد که ناپایداری های نوسان دور حدی ایجاد شده توسط انرژی ورودی توسط جریان سیال به سیستم، به صورت جزئی یا کلی، بوسیل? انتقال انرژی یکطرفه از مقطع بال به nes حذف شود. مطالعات پارامتریک عد...
while performance-based language assessment has led to an increased authenticity and content validity in the practice of writing assessment, the reliability of ratings has become a major issue. research findings have shown different reactions by native english speaker (nes) and non-native english speaker (nns) teachers to students’ writings. the focus of this study is on investigating whether i...
Abstract A broadband adaptive vibration control strategy with high reliability and flexible versatility is proposed. The damping performance of nonlinear energy sink (NES) has attracted attention. However, targeted transfer may cause severe NES. Besides, it difficult to realize pure stiffness without the linear part. As a result, NES not high. low hindered its application in engineering. In add...
This study was planned to explore the capability of nanoemulsions (NEs) consisting of CapryolTM 90 and oleic acid for the delivery of rapamycin (RAP). Permeability and cytotoxicity of RAP-loaded NEs were also inspected. Pseudo-ternary phase diagrams were created with oleic acid and CapryolTM 90 (as oil phase) and four surfactants and co-surfactants at various weight ratios (Rsm). Selected NEs f...
There is considerable interest in using nano-emulsions (NEs) as delivery systems for lipophilicbioactive ingredients. In this study, the influence of G on the properties of vitamin E (VE) enriched NEsprepared using spontaneous emulsification (SE) method, were investigated. The particle size and optical clarityof the NEs depended strongly on the co-solvent presence, absence, an...
abstract i the purpose of this study was to launch a thorough investigation concerning the possibility of differing orientations to the writing proficiency construct by native and non-native english speaking teacher raters. it mainly revolved around the international english language testing system (ielts) that is widely administered and employed as a measure of general proficiency in englis...
Optimal Nonlinear Energy Sink (NES) is employed in vibration suppression of the beams subjected to successive moving loads in this paper. As a real application, a typical railway bridge is dynamically modeled by a single-span beam and a traveling high-speed train is simulated by a series of successive moving loads. Genetic algorithm is employed as the optimization technique and optimal paramete...
This study was planned to explore the capability of nanoemulsions (NEs) consisting of CapryolTM 90 and oleic acid for the delivery of rapamycin (RAP). Permeability and cytotoxicity of RAP-loaded NEs were also inspected. Pseudo-ternary phase diagrams were created with oleic acid and CapryolTM 90 (as oil phase) and four surfactants and co-surfactants at various weight ratios (Rsm). Selected NEs f...
the aim of this investigation was to design and develop nanoemulsions (nes) as novel ophthalmic delivery systems for brinzolamide (bzd). phase behavior of quaternary systems composed of triacetin and capryoltm 90 (selected oils, screened through the solubility studies), various surfactants (namely, cremophor rh 40, brij 35, labrasol and tyloxapol), transcutol p (as co-surfactant) and water a...
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