يرصد الكتاب الدو رالذي قامت به شبكات التواصل الاجتماعي في الانتفاضات العربية، أو ما يسمى "الربيع العربي"، التي اجتاحت منطقة الشرق الأوسط وشمال أفريقيا في السنوات القليلة الماضية، وتعتبر هذه الانتفاضات واحدة من أهم أحداث ...

سعت هذه الدراسة إلى تقصي كيفية توظيف الصحفيين القطريين لشبكات التواصل الاجتماعي، في إطار جهودهم الإعلامية لمواجهة الحصار المفروض على بلادهم منذ 5 يونيو 2017، والأدوار المتبادلة بين وسائل الإعلام التقليدية من ناحية؛ وشبكات ...

Background. Several polymorphisms of a locus on chromosome 1p13.3 have a significant effect on low-density lipoprotein cholesterol (LDL-C), atherosclerosis, and acute coronary syndrome (ACS). Methods. We aimed to investigate ...

Controlling and preventing infections require deep understanding of the complex interplay that occurs between the host and pathogen following infection. In essence, immunomodulation is any process leading to an immune ...

Designing a pedagogically sound and technically executable collaboration script is a highly complex, time-consuming and error-prone task. This paper presents a model-driven approach to enable practitioners to design online ...

Absolute cross sections for the single and double K-shell photoionization of carbon like O2+ and nitrogen like O+ ions were measured in the 526–620-eV photon energy range by employing the ion-photon merged-beam technique ...

In order to overproduce bioinsecticides production by a sporeless Bacillus thuringiensis strain, an optimal composition of a cheap medium was defined using a response surface methodology. In a first step, a Plackett-Burman ...

Qatar K-12 school reform emphasizes student-centered classrooms where students actively engage in enquiry and use their critical thinking and problem solving skills. Classrooms characterized by these elements should ...

We demonstrate, for the first time, the synthesis of titania nanotubes with ultrathin (3–5 nm) wall thickness. As revealed by the incident photon-to-current collection efficiency (IPCE) and electrochemical impedance ...