نتایج جستجو برای: marble powder
تعداد نتایج: 48885 فیلتر نتایج به سال:
knowledge of marble bag composition has been triggered by many individual examples of marble bags. More interestingly, this learner was able to have certain expectations about a marble bag containing a novel marble color by learning from bags containing only black or white marbles. Translating this to a linguistic example, suppose the marble bags are individual sentences. Some sentences contain...
Black crust, or gypsum crust, is a surficial accumulation of atmospheric deposits in a gypsum matrix, which is often firmly bonded to the substrate. This condition is ubiquitous on marble buildings, not only threatening the historic fabric, but also leading to aesthetic damage. Laser ablation cleaning has become a popular method to remove black crust from masonry surface. This study focuses on ...
COPA is a block-cipher-based authenticated encryption mode with a provable birthday-bound security under the assumption that the underlying block cipher is a strong pseudorandom permutation, and its instantiation with the AES block cipher is called AES-COPA. Marble is an AES-based COPA-like authenticated encryption algorithm with a full security. In this paper, we analyse the security of COPA a...
Marble burying is considered an, albeit controversial, animal model of the compulsive like behaviors of obsessive-compulsive disorder (OCD). Hallmark features of OCD patients are similarities and, more prominent, differences from anxiety disorders, e.g., the absence of sex differences and resistance to spontaneous remission. We report an experiment on marble burying by male and female C57/BL6/N...
Low dose effects of a Withania somnifera extract on altered marble burying behavior in stressed mice
AIM Withania somnifera root (WSR) extracts are often used in traditionally known Indian systems of medicine for prevention and cure of psychosomatic disorders. The reported experiment was designed to test whether low daily oral doses of such extracts are also effective in suppressing marble burying behavior in stressed mice or not. MATERIALS AND METHODS Groups of mice treated with 10, 20, or ...
A small base isolation system using a new device that used friction force was developed. In this paper, dynamic characteristics of the system were investigated by an experiment using artificial seismic wave. The bearing combination of three cases, four spherical metal bearings, two spherical metal and two marble plate bearings, four marble plate bearings, was done in the experiment. The peak ac...
The search for new alternative raw materials and their subsequent use supports the sustainability of natural resources. This article describes waste stone powder (WSP) in geopolymer synthesis. Five different types WSP (feldspar, limestone, marlstone, dolomite, marble) were comprehensively characterized influence on resulting properties (especially mechanical textural properties, setting time st...
INTRODUCTION Clinical and preclinical studies suggest that regulation of nicotinic acetylcholine receptors (nAChR) maybe involved in the etiology of withdrawal symptoms. METHODS We evaluated heteromeric nAChR regulation via [³H]epibatidine binding following cessation of chronic nicotine or varenicline treatment. Animals were concurrently tested in the marble-burying test to evaluate treatment...
To prevent soiling of marble exposed outdoors, the use of TiO₂ nano-particles has been proposed in the literature by two main routes, both raising durability issues: (i) direct application to marble surface, with the risk of particle leaching by rainfall; (ii) particle incorporation into inorganic or organic coatings, with the risk of organic coating degradation catalyzed by TiO₂ photoactivity....
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