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2022 ◽  
pp. 727-745
Author(s):  
Maria Laura Ruiu ◽  
Massimo Ragnedda

This chapter identifies four main themes in the literature on media communication of climate change, which represent an interesting object of analysis for scholars who focus on moral panics' application. The combination of both the processual model and the attributional model to interpret the results of this literature review shows that during its emergence, climate change was polarised between “advocates” and “deniers” of both its existence and anthropogenic causes. This division has progressively shifted towards the consequences of climate change and need for action against it. Two distinct moral panics are identified. One is rooted in sceptical arguments and seems to work “in reverse” by emphasising the “uncertainty” around the phenomenon and its impacts. A second one is triggered by climate change supporters, who emphasise that climate change threatens life on the planet and that the current social practices need regulation and control.


2021 ◽  
Vol 923 (2) ◽  
pp. 228
Author(s):  
Sergio A. Dzib ◽  
Luis F. Rodríguez

Abstract PSR J1813–1749 has peculiarities that make it a very interesting object of study. It is one of the most energetic and the most scattered pulsars known. It is associated with HESS J1813–178, one of the brightest and most compact TeV sources in the sky. Recently, Ho et al. used archival X-ray Chandra observations separated by more than 10 yr and determined that the total proper motion of PSR J1813–1749 is ∼66 mas yr−1, corresponding to a velocity of ∼1900 km s−1 for a distance of 6.2 kpc. These results would imply that this pulsar is the fastest neutron star known in the Galaxy and, by estimating the angular separation with respect to the center of the associated supernova remnant, has an age of only ∼300 yr, making it one of the youngest pulsars known. Using archival high angular resolution VLA observations taken over 12 yr we have estimated the radio proper motions of PSR J1813–1748 to be much smaller: ( μ α · cos ( δ ) , μ δ ) = (−5.0 ± 3.7, −13.2 ± 6.7) mas yr−1, or a total proper motion of 14.8 ± 5.9 mas yr−1. The positions referenced against quasars make our results reliable. We conclude that PSR J1813–1749 is not a very fast moving source. Its kinematic age using the new total proper motion is ∼1350 yr. This age is consistent within a factor of a few with the characteristic age of the pulsar and with the age estimated from the broadband spectral energy distribution of HESS J1813–178, as well as the age of the associated supernova remnant.


Author(s):  
Muhammad Jundi ◽  
Yuslin Kasan

Language as a means of communication can be realized in both spoken and written forms. Understanding the meaning and meaning of written language tends to be more complicated than spoken language. The use of language style with a specific purpose also contributes to the delivery of meaning to the interlocutor. This study discusses how language style and meaning in written language play a role in the communication of two parties. So that the written language that is often used in student and lecturer communication via chat becomes an interesting object of study to discuss. This research is a descriptive type with a qualitative approach. Data were collected through documentation and interviews and then analyzed using tabulation techniques based on literature references in the form of journal articles and books for the last fifteen years. The results showed that the language style used by students in chat was the conversational language with periodic, loose, and balanced sentence characteristics. The choice of words is in the form of standard Indonesian vocabulary with the addition of a metaphor which is influenced by the students' own ability in word choice. There is also the use of logat and certain regional languages in line with the familiarity of the lecturers and students concerned. However, in the meaning and understanding of the language, there is no problem because the context of communication between the two parties has never been far from the realm of academics and lectures. So that good communication is built and politeness in speaking and in written language is carried out properly.  


2021 ◽  
Vol 12 (1) ◽  
pp. 8
Author(s):  
Mutiara Kemala Ratu ◽  
Vhika Meiriasari

<p><em>Environmental costs incurred from the company's activities in order to maintain the environment is one form of information on environmental management accounting. With the use of environmental management accounting, companies can make efficiency and improve service quality in a sustainable manner. In addition, the environmental costs incurred on each product can be calculated accurately so that the calculation of the cost of the product can be more realistic and humane. However, in it’s implementation there are still many companies that have not been able to disclose it so that mostly of the cost was hidden in overhead costs which would then make it biased and unclear allocation. This research was conducted to determine the implementation of environmental costs from PT PUSRI Palembang as the object. PT PUSRI Palembang which has a close relationship with the community environment in its corporate activities is indeed an interesting object in this research. The results showed that PT PUSRI doesn’t have an external failure costs which presage that the company is good enough to prevent waste produced discharge to the environment. By comparing the environmental costs incurred from the years 2012-2014 showed percentage reduction of environmental costs toward operating costs, which is 0.01% annually. With the information provided in the environmental costs report it aimed to be able to help financial statements users (investors, management, creditors) in company’s decision making policies and programs related to environmental preservation in the future.</em></p><p><strong><em>Keywords: </em></strong><em>Enfironmental Cost, Waste, Company</em></p><p><em><br /></em></p>


Author(s):  
Riza Agustina

Group cohesiveness is usually an interesting object of study in the context of social life and work management. However, cohesiveness can also be found in educational study areas. This study aims to determine the cohesiveness of the students of SD Negeri 2 Prambanan, find out the differences in cohesiveness between the independent groups and teacher formation groups, and the impact of the cohesiveness on the learning strategies. The quantitative methods are used to measure and to compare cohesiveness between the two groups using a t-test. The qualitative methods are used to narrate how teachers implement learning strategies according to student cohesiveness. The cohesiveness refers to the concept of Forsyth, which divides into the social, task, perceived, and emotional. This study finds that first, the group cohesiveness of students is in a moderate position. Second, the independent groups have significantly higher than the teacher formation groups. Third, there are five follow-ups in ​​learning strategies undertaken by the teacher, i.e. rearranging student seats, making students who have high group cohesiveness as group leaders, motivating students who have low cohesiveness to be actively involved in their groups, giving freedom to groups to compete, and applying various collaborative


2021 ◽  
Vol 2021 (4) ◽  
Author(s):  
Yang Bai ◽  
Mrunal Korwar

Abstract Spherically symmetric magnetic and dyonic black holes with a magnetic charge Q = 2 are studied in the Standard Model and general relativity. A magnetically charged black hole with mass below 9.3 × 1035 GeV has a “hairy” cloud of electroweak gauge and Higgs fields outside the event horizon with 1/mW in size. An extremal magnetic black hole has a hair mass of 3.6 TeV, while an extremal dyonic black hole has an additional mass of q2 × 1.6 GeV for a small electric charge q ≪ 2π/e2. A hairy dyonic black hole with an integer charge is not stable and can decay into a magnetic one plus charged fermions. On the other hand, a hairy magnetic black hole can evolve via Hawking radiation into a nearly extremal one that is cosmologically stable and an interesting object to be searched for.


2021 ◽  
Vol 53 (1) ◽  
pp. 251-278
Author(s):  
Adrián González Casanova ◽  
Juan Carlos Pardo ◽  
José Luis Pérez

AbstractIn this paper, we introduce a family of processes with values on the nonnegative integers that describes the dynamics of populations where individuals are allowed to have different types of interactions. The types of interactions that we consider include pairwise interactions, such as competition, annihilation, and cooperation; and interactions among several individuals that can be viewed as catastrophes. We call such families of processes branching processes with interactions. Our aim is to study their long-term behaviour under a specific regime of the pairwise interaction parameters that we introduce as the subcritical cooperative regime. Under such a regime, we prove that a process in this class comes down from infinity and has a moment dual which turns out to be a jump-diffusion that can be thought as the evolution of the frequency of a trait or phenotype, and whose parameters have a classical interpretation in terms of population genetics. The moment dual is an important tool for characterizing the stationary distribution of branching processes with interactions whenever such a distribution exists; it is also an interesting object in its own right.


2021 ◽  
Vol 13 (1) ◽  
pp. 97
Author(s):  
Muhammad Arif ◽  
Rosni Rosni ◽  
Zukya Rona Islami ◽  
M Taufik Rahmadi

The population is a very interesting object of study. It is because human is the main actor in economic activity, especially in terms of the labor force. The population as a workforce is one aspect of the factors of production that will contribute to the economic growth in a particular region. If the working-age population and non-working age population is well facilitated, including the enactment of government policies regarding improving their productivity, the population growth would benefit the regional economy. Indonesia is a country with a large population so that it potentially has a large workforce for economic development. Therefore, this research aims to examine the effect of the working-age population on the labor force in Indonesia. To achieve this goal, this research uses a literature review method. The data used in this study is secondary data obtained from BPS and BAPPENAS publications, books, and research articles. The discussion in this paper describes the development of the productive age population, employment issues in Indonesia, and the effect of the working-age population on employment in Indonesia. in conclusion, the high number of populations of productive age (demographic bonus) does not immediately occur. The working-age population greatly influences the workforce in Indonesia. The researchers hope that this article can be a reference for similar research in the future.Keywords: analysis, population, working-age, employment, IndonesiaPermasalahan kependudukan sangat menarik untuk dikaji dan dianalisis. Hal ini dikarenakan penduduk khususnya manusia merupakan pelaku utama dalam kegiatan ekonomi termasuk dalam hal ketenagakerjaan. Penduduk sebagai tenaga kerja merupakan salah satu variabel dalam faktor produksi yang akan mempengaruhi pertumbuhan ekonomi di suatu wilayah. Bila komposisi penduduk usia produktif dan yang belum produktif dipfasilitasi dengan baik, termasuk adanya kebijakan pemerintah yang menfokuskan pada kemajuan produktivitas mereka, maka pertumbuhan penduduk dengan komposisi yang demikian akan menguntungkan perekonomian daerah tersebut. Indonesia merupakan salah satu negara dengan jumlah penduduk yang banyak sehinnga berpotensi memiliki tenaga kerja yang banyak untuk kemajuan ekonomi. Oleh karena itu, penelitian iin bertujian untuk menalaah pengaruh jumlah penduduk usia produktif terhadap kondisi ketenagakerjaan di Indonesia.  Agar tujuan peneliti tercapai, peneliti menggunakan metode kajian pustaka. Data yang digunkan adalah data sekunder yang diperoleh dari publikasi BPS, BAPPENAS, buku serta artikel penelitian yang relevan dengan tema kajian penelitian. Pembahasan pada tulisan ini memaparkan mengenai perkembangan penduduk usia produktif, problematika ketenagakerjaan di Indonesia, serta pengaruh penduduk usia produktif terhadap ketenagakerjaan di Indonesia. Beberapa hal yang dapat disimpulkan yaitu, Jumlah penduduk usia produktif yang tinggi (bonus demografi) tidak langsung terjadi, Jumlah penduduk usia produktif sangat berpengaruh pada ketengakerjaan di Indonesia. Penulis berharap artikel ini dapat menjadi referensi bagi penelitian sejenis. Kata kunci: analisis, penduduk, usia produktif, ketenagakerjaan, Indonesia


Author(s):  
Andrei A. Nepomniashchy

An art historian and an expert in architectural objects restoration N. P. Kondakov emigrated to Czechoslovakia where a circle of emigrant historians shaped around him. This scholarly society developing from the Byzantologist N. P. Kondakov’s home circle in Prague was titled in Byzantine way, Seminarium Kondakovianum. After his death in February 1925, this small-in-number academic community with support from the Czechoslovak government developed into a foreign school of Byzantologists and Russian historians. Thus, there appeared a Russian institution with international statute in Prague. The study of intertwined western and eastern influences in Russian history became a typical motif of Russian scholarly thought in emigration. In this connection, the Crimea became an interesting object for the researches and historical generalizations by the Seminaium members. The paper introduces into the scholarship the materials from the archive of the Seminarium Kondakovianum (Kondakov Institute) now residing in the Archives of the Czech Academy of Sciences. The analysis attracts the documents from N. P. Kondakov’s personal collection at the Literary Archives of Written National Monuments of the Slavonic Library in Prague. There are interesting unpublished manuscripts by the Seminarium members discovered by the author. There were three circles of Crimean researchers determined at the Seminarium’s works: historians living in Prague who studied the mediaeval history of the Crimea and the history of research (N. M. Beliaev, G. V. Vernadsky, A. P. Kalitinskii, D. А. Rasovskii, N. P. Toll’); a group of historians from the USSR attracted by G. V. Vernadsky to send their papers for discussion (D. V. Ainalov, S. А. Zhebelev, N. V. Izmailova, A. I. Markevich, and others); Russian emigrant historians living in other countries (M. I. Rostovtsev, alter on G. V. Vernadsky). G. V. Vernadsky was the chief organizer and the academic curator of the Seminarium. G. V. Vernadsky’s skillful practice on attraction to the Seminarium of leading Soviet experts in the Crimean studies allowed the annual to publish their works thus enlarging the sphere of the historians’ scholarly communications. The contacts (correspondence) with the Taurida Society for History, Archaeology, and Ethnography (Simferopol) and the State Museum of Chersonese (Sevastopol) were established. Hysteria made by the Soviet secret service and Communist party leaders around the “case of S. A. Zhebelev,” directly connected with the cooperation of Soviet and emigrant historians, resulted in the cease of the said contacts and book exchange. In 1931, the Seminarium was reshaped into N. P. Kondakov Institute with the change of the participants and the disappearance of the Crimea aspect from the agenda for sessions.


2021 ◽  
Vol 66 (2) ◽  
pp. 585-601
Author(s):  
Sergei M. Ostashinskii ◽  
◽  
Evgenii A. Cherlenok ◽  

The Meshoko rock shelter was first explored in the 1960s. Along with some other settlements in the vicinity, its materials were interpreted as evidence of the synchronism of the early Maykop and late Eneolithic cultures. Modern excavations have shown that Maykop and Eneolithic finds are concentrated in different layers, with natural deposits between them. The stratigraphic sequence of the Meshoko rock shelter consisted of six main layers. Maykop artifacts were in the third layer from above. The most interesting object discovered there is the hearth, the base and walls of which were formed by limestones. No evidence of a dwelling was found, which probably indicates the temporary nature of the settlement. The few Eneolithic materials cannot be confidently synchronized with the Maykop culture. It is more likely that they were introduced into the third layer through pits which were dug down from the Maykop level. The bulk of the collection of the third layer is associated with the Maykop culture, most likely with the middle stage of its development (Inozemtsevo-Kostromskaia). This conclusion corresponds to the radiocarbon dates of the settlement, which were about 3600–3000 BC. The Meshoko rock shelter is located at the bottom of the mountain gorge. This is unusual for Maykop sites, which, as a rule, occupy the steppe and flat areas of the foothills. Also, there are no close analogies in the paleoethnobotany and archaeozoology assemblages. The study of these ecofacts indicate that the Maykop population probably lived in a forest zone and was well adapted to the conditions of the local environment.


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