نتایج جستجو برای: weathered street surface particles
تعداد نتایج: 797915 فیلتر نتایج به سال:
The aim of the present research is to convert bioinert surface of NiTi to bioactive and biocompatible surface. In order to develop a bioactive and corrosion resistant film on NiTi, electrophoretic deposition process was done and TiO2 particles were deposited on the NiTi surface. Suspensions including TiO2 particles were prepared using a mixture of acetone and n-butanol (0%, 30%, 60%, 80% and 10...
In urban environments, particularly areas under reconstruction, metals, organic pollutants (OP), and microplastics (MP), are released in large amounts due to heavy traffic. Road runoff, a major transport route for pollutants, contributes significantly deteriorated water quality receiving waters. This study was conducted Gothenburg, Sweden, is unique because it simultaneously investigates the oc...
Dust emission was detected on main-belt asteroid 596 Scheila in December 2010, and attributed to the collision of a few-tens-of-meters projectile surface asteroid. In such impact, ejected material from collided body is expected mainly comes its fresh, unweathered subsurface. Therefore, it that partially or entirely refreshed during 2010 impact. By combining spectra literature our own observatio...
Having sufficient and accurate understanding about kinetics of phenomena, could be an important reason for further technological progresses. Finding a white-box mathematical model for weight vs. time curves of Electrophoretic Deposition (EPD) using large and small signal analysis has been studied thoroughly in the present investigation. Weight-Time curves of nano-Mullite suspension have been tr...
The Random Deposition model is the simplest model for surface growth, where there is no correlation between the neighbor sites of the lattice. In the Ballistic deposition model, the particles stick to the first neighbor particle; thus it is used to describe the deposition of the sticky particles. However, in many true-life phenomena involving surface growth, there is no adhesion. Instead, the f...
Context. Space weathering is a process that changes the surface of airless planetary bodies. Prime space agents are solar wind irradiation and micrometeoroid bombardment. These processes alter reflectance spectra often modify their compositional diagnostic features. Aims. In this work we focused on simulating comparing spectral caused by bombardment to gain better understanding these individual...
A 48-yr-old Caucasian female of central European origin (subject IM) with low plasma cholesterol and normal plasma triglyceride (TG) had extremely low apo A-I (6 mg/dl), A-II (5 mg/dl), and HDL cholesterol (2 mg/dl) levels. She had most of the clinical symptoms typically associated with Tangier disease, including early corneal opacities, yellow-streaked tonsils, hepatomegaly, and variable degre...
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