نتایج جستجو برای: sina
تعداد نتایج: 2025 فیلتر نتایج به سال:
There has been a tremendous rise in the growth of online social networks all over the world in recent years. It has facilitated users to generate a large amount of real-time content at an incessant rate, all competing with each other to attract enough attention and become popular trends. While Western online social networks such as Twitter have been well studied, the popular Chinese microbloggi...
With the widespread use of mobile smart device, and its ubiquitous network access capability, microblog have important influence. But to one node in microblog space, how to measure its importance is a key problem. In this paper, we propose a method to evaluate and compute the influence of one node in sina Weibo. An algorithm named MicroV is proposed to quantify the strength of one user in the m...
This paper seeks to identify and characterize healthrelated topics discussed on the Chinese microblogging website, Sina Weibo. We identified nearly 1 million messages containing health-related keywords, filtered from a dataset of 93 million messages spanning five years. We applied probabilistic topic models to this dataset and identified the prominent health topics. We show that a variety of he...
Pure internal subtalar dislocation: about a case Mustafa Nkaoui, Moncef Boufettal, Youness Sasbou, Mohammed Kharmaz, Mohamed El Ouadaghiri, Moulay Omar Lamrani, Ahmed El Bardouni, Mustapha Mahfoud, Mohamed Saleh Berrada Service de Chirurgie Orthopédique et de Traumatologie, CHU Ibn Sina, Université Mohammad V Souissi Rabat, Maroc Corresponding author: Mustafa Nkaoui, Service de Chirurgie Orthop...
The Drosophila seven in absentia (sina) gene was initially discovered because its inactivation leads to R7 photoreceptor defects. Recent data indicate that Sina binds to the Sevenless pathway protein Phyllopod, and together they mediate degradation of Tramtrack, a transcriptional repressor of R7 cell fate. Independent studies have shown that Sina and its highly related mammalian homologues Siah...
This paper examines the role of Chinese social media in three areas: organizing collective action, surveillance of government offi cials, and propaganda. Our study is based on a data set of 13.2 billion blog posts published on Sina Weibo — the most prominent Chinese microblogging platform — during the 2009-2013 period. We find millions of posts discussing explicit corruption allegations and col...
Sinapinic acid is an interesting material because it is both antioxidant and antibacterial agent. In addition, when illuminated with ultraviolet light, it can exhibit the so-called photodimerization process. In this paper, we report on the investigation of monolayer films from 3,5-dimethoxy-4-hydroxycinnamic acid (sinapinic acid, SinA) deposited onto poly(allylamine hydrochloride), PAH, films. ...
____________________________________________________________________________________________________________________ . MD, Researcher, Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran. [email protected] . (Corresponding author) MD, Professor of Neurosurgery, Research Vice Chancellor of Sina Trauma and Surgery Research Center, Department of Neuro...
Evidence-based evaluation of early versus late surgical decompression in cervical spinal cord injury
© 2015 Asian Journal of Neurosurgery | Published by Wolters Kluwer ‐ Medknow Mahdi Sharif-Alhoseini, Alexander Vaccaro, Vafa Rahimi-Movaghar Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran, 1Department of Orthopedic Surgery and Neurological Surgery, Thomas Jefferson University and Rothman Institute, Philadelphia, Pennsylvania, USA Address for corresp...
Isolation and characterisation of murine homologues of the Drosophila seven in absentia gene (sina).
The seven in absentia gene (sina) is required for formation of the R7 photoreceptor cell in the developing eye of Drosophila melanogaster. The sina protein contains a putative zinc finger domain and localises to the cell nucleus in Drosophila. We report here the identification of a family of genes in the mouse (designated Siah) with extensive sequence homology to Drosophila sina. The Siah genes...
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