Bromine and Oxygen Redox Species Mediated Highly Selective Electro-Epoxidation of Styrene

Author(s):  
Yuchi Zhang ◽  
Asma Iqbal ◽  
Jiantao Zai ◽  
Shuyu Zhang ◽  
Hongran Guo ◽  
...  

The olefin epoxidation is an essential transformation and arouses great interest among the scientific community for the key role of epoxide in the chemical industry. Traditional methods suffer from harmful...

2019 ◽  
Vol 14 (2) ◽  
pp. 67
Author(s):  
N. V. Litvak

The article considers the scientific diplomacy — a relatively new phenomenon in international practice — as a type of diplomacy which took shape quite recently, in the 21st century, with the advent of both the term itself, and the corresponding concepts, and the Foreign Ministry units of some countries. However, it is necessary to clarify the terminology and essence of this practice, which has a much more long history. At the present time, there is a reassessment of this historical experience, as well as another attempt to put science in the civil service in one more — diplomatic aspect, as it has already happened with the military, educational and some other areas. At the same time, the scientific community itself in this process has the opportunity to play not only the role of an object or a passive performer. The demand for science is clearly manifested in periods of war and conflict, which in various forms do not stop today. This causes the urgency of the problem. At the same time, the conscious activity of politicians and scientists is combined with objective, independently developing, incl. latently, unobviously, by the processes of political struggle and scientific knowledge, which leads to complex combinations of interrelations between politics and science. The study of such events and processes allows us to draw some conclusions regarding relations between science and diplomacy, to determine the trend of consistent “scientification” of diplomacy, like of any other sphere of society, the transition from diplomacy-mail (communication) through diplomacy-art to diplomacy-science, formulate a hypothesis that diplomacy in general is a scientific project.


Author(s):  
Marco Petrillo ◽  
Giulio Sozzi ◽  
Margherita Dessole ◽  
Giampiero Capobianco ◽  
Salvatore Dessole ◽  
...  

Author(s):  
Steven C. Pan ◽  
Timothy C. Rickard ◽  
Robert A. Bjork

AbstractA century ago, spelling skills were highly valued and widely taught in schools using traditional methods, such as weekly lists, drill exercises, and low- and high-stakes spelling tests. That approach was featured in best-selling textbooks such as the Horn-Ashbaugh Speller of 1920. In the early 21st century, however, skepticism as to the importance of spelling has grown, some schools have deemphasized or abandoned spelling instruction altogether, and there has been a proliferation of non-traditional approaches to teaching spelling. These trends invite a reevaluation of the role of spelling in modern English-speaking societies and whether the subject should be explicitly taught (and if so, what are research-supported methods for doing so). In this article, we examine the literature to address whether spelling skills are still important enough to be taught, summarize relevant evidence, and argue that a comparison of common approaches to spelling instruction in the early 20th century versus more recent approaches provides some valuable insights. We also discuss the value of explicit spelling instruction and highlight potentially effective ways to implement such instruction, including the use of spelling tests. Overall, our goals are to better characterize the role of spelling skills in today’s society and to identify several pedagogical approaches—some derived from traditional methods and others that are more recent—that hold promise for developing such skills in efficient and effective ways.


Author(s):  
M.V. Maksimov

This essay presents a description of the scholarly events commemorating the 20th anniversary of the journal “Solovyov Studies”. It gives an overview of the exhibition "20 years of the journal “Solovyov Studies”: 2001–2021," prepared by the editorial board of the journal together with the Library of the ISPU. It highlights a variety of the sections of the exposition and the materials presented, reflecting the development of the journal over two decades, the composition of its editorial board, including authoritative experts from Russia, Bulgaria, Great Britain, Germany, Italy, the Netherlands, Poland, the United States of America, Ukraine, and France. The reader’s attention is drawn to the information about the journal's position in various ratings schemes, both domestic and foreign, and citation indices, the share of publications by foreign authors and their geographical location, as well as the number of journal-views over the past five years. The article shows the role of scientific communications in the development of the journal, Information is given on the participation of the editorial board in international scientific events, on publications devoted to the journal and its presentations in Russian and foreign publications, universities and research centers. The article describes the Solovyov seminar’s cultural and student projects, which received substantial content and information support from “Solovyov Studies”. The level of interest of the scientific community in the journal is also noted.


2021 ◽  

The COVID-19 pandemic forced physicians around the world to make tragic decisions: Whose life should be saved when it is apparent that available resources are insufficient to treat everyone? Under the heading of "triage" a broad societal debate ensued that also ignited the scientific community. This anthology unites voices from medicine, law, and philosophy for a conversation. It reveals controversies that are deeply rooted in ideas of law, morality, and the role of the individual in the state. Simultaneously, answers are being formulated to questions that have become sadly prominent in the COVID pandemic but could also valid beyond it.


2021 ◽  
Vol 36 (1) ◽  
pp. 155-185
Author(s):  
Matt St. John

Abstract This article explores the Instagram activities of Agnès Varda and her Visages Villages (Faces Places, France, 2017) codirector JR to consider the role of social media in the film's theatrical release and awards campaign, which led to the film's nomination for Best Documentary Feature—Varda's first and only Academy Award nomination. Through analysis of Varda's posts and her appearances on JR's Instagram, the author argues that social media complemented the film's conventional promotion while extending Varda's aesthetic practices and interests, offering one of the final examples of her consistent, enthusiastic experiments with new forms of media. On Instagram, Varda recycled and recontextualized the strategies of self-presentation and formal play seen in her documentaries for a different format, as she posted images and videos involving premieres, special events, and press coverage from her perspective. Throughout the film's release and awards campaign, social media began to function as an atypical way to draw attention to the film and its directors, especially for a low-budget documentary. The Visages Villages team merged traditional methods of achieving visibility with an unusual and intentional online presence, culminating in substantial coverage from new types of outlets when JR traveled to the Academy Awards luncheon with cardboard cutouts of Varda.


2001 ◽  
Vol 2 (1) ◽  
pp. 115-139 ◽  
Author(s):  
Britt-Louise Gunnarsson

The article presents a socio-semantic study of evaluative expressions in medical scientific articles from six periods from the eighteenth, nineteenth and twentieth centuries. Evaluations relating to the presentations of the medical case, the scientist’s own work and the work of other scientists were studied. The results of the analyses point to a gradual change in the directness of the evaluations; where the author earlier evaluated through his own voice, the modern author chooses to evaluate indirectly through facts and others’ voices. The evaluations were also found to gradually be less strong and more embedded in hedgings of various kinds. The changes in evaluative strength and style reveal the varied positions of the scientists and their scientific community as to the medical knowledge, the stage of the medical community and the role of the medical scientists in society.


Sign in / Sign up

Export Citation Format

Share Document