bluuebunny/crossref_metadata_2025 huggingface dataset:
Integration of a MSF Desalination System with a HDH System for Brine Recovery
Authors: Lawal Dahiru U. , Antar Mohamed A. , Khalifa Atia E.
Published: March 2021

A hybrid Multi-Stage Flash–Humidification Dehumidification (MSF-HDH) desalination system is investigated for energy recovery from an MSF system. The hybrid MSF-HDH system increases total productivity and performance ratio and reduces brine rejection. Hot condensed steam that leaves the MSF brine heater is used to warm the rejected pretreated brine from MSF to a higher temperature suitable for HDH system operation (about 60 °C). This allows us to increase the product (desalinated water) without additional “external” energy input to the hybrid system. Four different layouts of the integrated MSF-HDH system are presented and compared. The results show that an HDH system can utilize over 66% of an existing MSF brine blowdown, while the hybrid system can achieve a gained output ratio—GOR, water recovery ratio—RR, productivity and freshwater cost of 8.73, 44.86%, 30,549 m3/day and 1.068 $/m3 of freshwater, respectively. Utilizing 66.96% of MSF brine blowdown by the HDH system leads to a daily HDH productivity of about 670 m3 of drinking water, which is enough to support 134,000 persons considering a daily consumption of 5 L of drinking water per person.
Emergence of the Online-Merge-Offline (OMO) Learning Wave in the Post-COVID-19 Era: A Pilot Study
Authors: Huang Ronghuai , Tlili Ahmed , Wang Huanhuan , Shi Yihong , Bonk Curtis J. , Yang Junfeng , Burgos Daniel
Published: March 2021

The COVID-19 pandemic revealed the need for new innovative methods to effectively maintain education in times of crisis and uncertainty. This study first presents the Online-Merge-Offline (OMO) learning approach, a way of learning that caters to the new needs of students and teachers in the post-COVID-19 era. OMO learning utilizes a hybrid infrastructure that combines Open Educational Practices and real-time learning spaces, both online and offline. This study then discusses the early results of a pilot experiment investigating OMO learning in China for three months from three dimensions: space design requirements, technological considerations, and pedagogical considerations. A qualitative, two-stage study focused on content analysis and a multiple-case study were carried out in the context of courses about English language learning with 30 teachers and students. The obtained findings showed that, although both teachers and students had a positive attitude towards OMO learning, they mentioned that a comprehensive set of core and functional competencies are needed—including the use of online platforms, communication skills, class management, and the effective use of resources. Additionally, the findings showed that more effort should be paid to classroom design, such as infrastructure, to efficiently support OMO learning. This study exemplifies a new approach toward the future of education to ensure sustainable education in this complex and uncertain world.
Assessment and Valorization of Non-Wood Forest Products in Europe: A Quantitative Literature Review
Authors: Sacchelli Sandro , Borghi Costanza , Fratini Roberto , Bernetti Iacopo
Published: March 2021

This article presents a quantitative review of non-wood forest products (NWFPs) at the regional scale in Europe. A text mining approach was applied to titles, abstracts, and keywords extracted from articles in the Scopus database. Different investigations, such as concept mapping and specificity analyses of textual corpus, were performed. Our search yielded a massive number of NWFP-related papers. Specifically, research was distributed in different countries, being more prevalent in the Mediterranean and Scandinavian contexts. Several NWFPs were analyzed, with mushrooms, resin, cork, and other forest fruit being the most common ones. Local socioeconomic improvement was one of the major aspects investigated in scientific literature. The proposed methodology applies specific scripts that can be updated, and the output of the present research can be compared with that of the future works. For instance, interest trends of products and methods can be investigated, and gap analyses performed. Finally, the potential implications of this review for researchers and stakeholders are discussed.
Chiral Aziridine Sulfide N(sp3),S-Ligands for Metal-Catalyzed Asymmetric Reactions
Authors: Pacuła-Miszewska Agata J. , Laskowska Anna , Kmieciak Anna , Zielińska-Błajet Mariola , Krzemiński Marek P. , Ścianowski Jacek
Published: March 2021

A series of new bidentate N,S-ligands—aziridines containing a para-substituted phenyl sulfide group—was synthesized and evaluated in the Pd-catalyzed Tsuji–Trost reaction and addition of diethylzinc and phenylethynylzinc to benzaldehyde. A high enantiomeric ratio for the addition reactions (up to 94.2:5.8) was obtained using the aziridine ligand bearing a p-nitro phenyl sulfide group. Collected results reveal a specific electronic effect that, by the presence of particular electron-donating or electron-withdrawing groups in the PhS- moiety, influences the σ-donor–metal binding and the enantioselectivity of the catalyzed reactions.
Fractional (p,q)-Calculus on Finite Intervals and Some Integral Inequalities
Authors: Neang Pheak , Nonlaopon Kamsing , Tariboon Jessada , Ntouyas Sotiris K.
Published: March 2021

Fractional q-calculus has been investigated and applied in a variety of fields in mathematical areas including fractional q-integral inequalities. In this paper, we study fractional (p,q)-calculus on finite intervals and give some basic properties. In particular, some fractional (p,q)-integral inequalities on finite intervals are proven.
GPGPU Task Scheduling Technique for Reducing the Performance Deviation of Multiple GPGPU Tasks in RPC-Based GPU Virtualization Environments
Authors: Kang Jihun , Yu Heonchang
Published: March 2021

In remote procedure call (RPC)-based graphic processing unit (GPU) virtualization environments, GPU tasks requested by multiple-user virtual machines (VMs) are delivered to the VM owning the GPU and are processed in a multi-process form. However, because the thread executing the computing on general GPUs cannot arbitrarily stop the task or trigger context switching, GPU monopoly may be prolonged owing to a long-running general-purpose computing on graphics processing unit (GPGPU) task. Furthermore, when scheduling tasks on the GPU, the time for which each user VM uses the GPU is not considered. Thus, in cloud environments that must provide fair use of computing resources, equal use of GPUs between each user VM cannot be guaranteed. We propose a GPGPU task scheduling scheme based on thread division processing that supports GPU use evenly by multiple VMs that process GPGPU tasks in an RPC-based GPU virtualization environment. Our method divides the threads of the GPGPU task into several groups and controls the execution time of each thread group to prevent a specific GPGPU task from a long time monopolizing the GPU. The efficiency of the proposed technique is verified through an experiment in an environment where multiple VMs simultaneously perform GPGPU tasks.
Parametric Fuzzy Implications Produced via Fuzzy Negations with a Case Study in Environmental Variables
Authors: Makariadis Stefanos , Souliotis Georgios , Papadopoulos Basil
Published: March 2021

In this paper, we present a new Fuzzy Implication Generator via Fuzzy Negations which was generated via conical sections, in combination with the well-known Fuzzy Conjunction. The new Fuzzy Implication Generator takes its final forms after being configured by the fuzzy strong negations and combined with the most well-known fuzzy conjunctions TM, TP, TLK, TD, and TnM. The final implications that emerge, given that they are configured with the appropriate code, select the best value of the parameter and the best combination of the fuzzy conjunctions. This choice is made after comparing them with the Empiristic implication, which was created with the help of real temperature and humidity data from the Hellenic Meteorological Service. The use of the Empiristic implication is based on real data, and it also reduces the volume of the data without canceling them. Finally, the MATLAB code, which was used in the programming part of the paper, uses the new Fuzzy Implication Generator and approaches the Empiristic implication satisfactorily which is our final goal.
Avian Influenza A Viruses Reassort and Diversify Differently in Mallards and Mammals
Authors: Ganti Ketaki , Bagga Anish , DaSilva Juliana , Shepard Samuel S. , Barnes John R. , Shriner Susan , Koelle Katia , Lowen Anice C.
Published: March 2021

Reassortment among co-infecting influenza A viruses (IAVs) is an important source of viral diversity and can facilitate expansion into novel host species. Indeed, reassortment played a key role in the evolution of the last three pandemic IAVs. Observed patterns of reassortment within a coinfected host are likely to be shaped by several factors, including viral load, the extent of viral mixing within the host and the stringency of selection. These factors in turn are expected to vary among the diverse host species that IAV infects. To investigate host differences in IAV reassortment, here we examined reassortment of two distinct avian IAVs within their natural host (mallards) and a mammalian model system (guinea pigs). Animals were co-inoculated with A/wildbird/California/187718-36/2008 (H3N8) and A/mallard/Colorado/P66F1-5/2008 (H4N6) viruses. Longitudinal samples were collected from the cloaca of mallards or the nasal tract of guinea pigs and viral genetic exchange was monitored by genotyping clonal isolates from these samples. Relative to those in guinea pigs, viral populations in mallards showed higher frequencies of reassortant genotypes and were characterized by higher genotype richness and diversity. In line with these observations, analysis of pairwise segment combinations revealed lower linkage disequilibrium in mallards as compared to guinea pigs. No clear longitudinal patterns in richness, diversity or linkage disequilibrium were present in either host. Our results reveal mallards to be a highly permissive host for IAV reassortment and suggest that reduced viral mixing limits avian IAV reassortment in a mammalian host.
Repeated SARS-CoV-2 Positivity: Analysis of 123 Cases
Authors: Váncsa Szilárd , Dembrovszky Fanni , Farkas Nelli , Szakó Lajos , Teutsch Brigitta , Bunduc Stefania , Nagy Rita , Párniczky Andrea , Erőss Bálint , Péterfi Zoltán , Hegyi Péter
Published: March 2021

Repeated positivity and reinfection with severe acute respiratory syndrome coronavirus 2 (SARS-COV-2) is a significant concern. Our study aimed to evaluate the clinical significance of repeatedly positive testing after coronavirus disease 2019 (COVID-19) recovery. We performed a systematic literature search following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guideline. With available individual patient data reporting on repeatedly SARS-CoV-2 positive (RSP) patients, case reports, and case series were included in this analysis. We performed a descriptive analysis of baseline characteristics of repeatedly positive cases. We assessed the cases according to the length of their polymerase chain reaction (PCR) negative interval between the two episodes. Risk factors for the severity of second episodes were evaluated. Overall, we included 123 patients with repeated positivity from 56 publications, with a mean repeated positivity length of 47.8 ± 29.9 days. Younger patients were predominant in the delayed (>90 days) recurrent positive group. Furthermore, comparing patients with RSP intervals of below 60 and above 60 days, we found that a more severe disease course can be expected if the repeated positivity interval is shorter. Severe and critical disease courses might predict future repeatedly positive severe and critical COVID-19 episodes. In conclusion, our results show that the second episode of SARS-CoV-2 positivity is more severe if it happens within 60 days after the first positive PCR. On the other hand, the second episode’s severity correlates with the first.
Fendrix® Vaccine Effectiveness in Healthcare Workers Who Are Non-Responsive to Engerix B® Vaccination
Authors: Tejada-Pérez Juan José , Vázquez-Vicente Juan José , Herrera-Burgos María Renée , Martín-Martín Francisco Gabriel , Parrón-Carreño Tesifón , Alarcón-Rodríguez Raquel
Published: March 2021

Hepatitis B (HBV) is a pathogen virus with transmission mechanisms that include contact with the infected blood or bodily fluids of the infected organism. Nowadays, healthcare workers are one of the most exposed groups to HBV. Conventionally, completing a vaccine series dosage with Engerix B® lowers this risk by providing workers with immunity to the virus. However, through the years, we have encountered nonresponsive health personnel to the Engerix B® vaccine; hence, the Occupational Health Service of Poniente Hospital studied the Fendrix® adjuvanted vaccine as an alternative vaccine to develop immunological responses in healthcare workers who do not respond to vaccination with Engerix B®. In our study, we employed a vaccination schedule with the Fendrix® vaccine, performing serology tests on the cases after the application of each dose. The results obtained showed humoral immunity in 92.3% of the cases, with a remarkable increase in antibody titer after the first doses. These encouraging results support the future inclusion of this vaccine as one possible alternative for the immunization to HBV for healthcare workers nonresponsive to Engerix B®.
Phylogenomic Evidence of Reinfection and Persistence of SARS-CoV-2: First Report from Colombia
Authors: Ramírez Juan David , Muñoz Marina , Ballesteros Nathalia , Patiño Luz H. , Castañeda Sergio , Rincón Carlos A. , Mendez Claudia , Oliveros Carolina , Perez Julie , Márquez Elizabeth K. , Ortiz Frank de los Santos , Correa-Cárdenas Camilo A. , Duque Maria Clara , Paniz-Mondolfi Alberto
Published: March 2021

The continuing evolution of SARS-CoV-2 and the emergence of novel variants have raised concerns about possible reinfection events and potential changes in the coronavirus disease 2019 (COVID-19) transmission dynamics. Utilizing Oxford Nanopore technologies, we sequenced paired samples of three patients with positive RT-PCR results in a 1–2-month window period, and subsequent phylogenetics and genetic polymorphism analysis of these genomes was performed. Herein, we report, for the first time, genomic evidence of one case of reinfection in Colombia, exhibiting different SARS-CoV-2 lineage classifications between samples (B.1 and B.1.1.269). Furthermore, we report two cases of possible viral persistence, highlighting the importance of deepening our understanding on the evolutionary intra-host traits of this virus throughout different timeframes of disease progression. These results emphasize the relevance of genomic surveillance as a tool for understanding SARS-CoV-2 infection dynamics, and how this may translate effectively to future control and mitigations efforts, such as the national vaccination program.
Opportunities for Refinement of Non-Human Primate Vaccine Studies
Authors: Prescott Mark J. , Clark Carolyn , Dowling William E. , Shurtleff Amy C.
Published: March 2021

Non-human primates (NHPs) are used extensively in the development of vaccines and therapeutics for human disease. High standards in the design, conduct, and reporting of NHP vaccine studies are crucial for maximizing their scientific value and translation, and for making efficient use of precious resources. A key aspect is consideration of the 3Rs principles of replacement, reduction, and refinement. Funders of NHP research are placing increasing emphasis on the 3Rs, helping to ensure such studies are legitimate, ethical, and high-quality. The UK’s National Centre for the 3Rs (NC3Rs) and the Coalition for Epidemic Preparedness Innovations (CEPI) have collaborated on a range of initiatives to support vaccine developers to implement the 3Rs, including hosting an international workshop in 2019. The workshop identified opportunities to refine NHP vaccine studies to minimize harm and improve welfare, which can yield better quality, more reproducible data. Careful animal selection, social housing, extensive environmental enrichment, training for cooperation with husbandry and procedures, provision of supportive care, and implementation of early humane endpoints are features of contemporary good practice that should and can be adopted more widely. The requirement for high-level biocontainment for some pathogens imposes challenges to implementing refinement but these are not insurmountable.
Short or Long Interval between Priming and Boosting: Does It Impact on the Vaccine Immunogenicity?
Authors: Pettini Elena , Pastore Gabiria , Fiorino Fabio , Medaglini Donata , Ciabattini Annalisa
Published: March 2021

Characterizing the impact of the vaccination schedule on the induction of B and T cell immune responses is critical for improving vaccine immunogenicity. Here we compare the effect of a short (4 weeks) or a long (18 weeks) interval between priming and boosting in mice, using a model vaccine formulation based on the chimeric tuberculosis vaccine antigen H56 combined with alum. While no significant difference was observed in serum antigen-specific IgG response and the induction of antigen-specific T follicular helper cells into draining lymph nodes after the two immunization schedules, a longer interval between priming and boosting elicited a higher number of germinal center-B cells and H56-specific antibody-secreting cells and modulated the effector function of reactivated CD4+ T cells. These data show that the scheduling of the booster immunization could affect the immune response elicited by vaccination modulating and improving the immunogenicity of the vaccine.
Fault Diagnosis Method of DC Charging Points for EVs Based on Deep Belief Network
Authors: Gao Dexin , Lin Xihao
Published: March 2021

According to the complex fault mechanism of direct current (DC) charging points for electric vehicles (EVs) and the poor application effect of traditional fault diagnosis methods, a new kind of fault diagnosis method for DC charging points for EVs based on deep belief network (DBN) is proposed, which combines the advantages of DBN in feature extraction and processing nonlinear data. This method utilizes the actual measurement data of the charging points to realize the unsupervised feature extraction and parameter fine-tuning of the network, and builds the deep network model to complete the accurate fault diagnosis of the charging points. The effectiveness of this method is examined by comparing with the backpropagation neural network, radial basis function neural network, support vector machine, and convolutional neural network in terms of accuracy and model convergence time. The experimental results prove that the proposed method has a higher fault diagnosis accuracy than the above fault diagnosis methods.
I. B. KRAMER’S PIANO WORK IN THE ASPECT OF INTERRELATION OF PERFORMANCE AND COMPOSITION
Authors: Cherniavska Marianna
Published: March 2021

Background. The article is devoted to the piano work of the famous English pianist, teacher and composer Johann Baptist Kramer (1771–1858), whose 250th anniversary is celebrated in 2021. I. B. Kramer, like other pianists of the late XVIII – early XIX centuries, tried to solve a significant problem – mastering the basics of composition, its laws, principles, techniques, their combination with the game nature and capabilities of the piano. Objectives. The purpose of the article is to reveal the relationship between performing and compositional means in I. B. Kramer’s piano works. Methods. The basis of the methodology is a systematic approach, through which musicological research methods are combined with historical ones. The main document of the era in the field of musicological research is the musical text, so the analysis of musical works is carried out from the standpoint of performance at the levels of performing technical means, musical thinking of the composer and performer. Other components of the texture, the development of its individual layers in the whole system, as well as the coverage of one or another feature of the playing nature of the piano are also taken into account. Conclusions. I. B. Kramer’s pedagogical system is considered, which is a system of technical means of performance, which contributed to the embodiment of the game nature of the instrument. In works of art, the composer used these techniques as needed to create a certain figurative sphere. Analyzed “Pathetic Fantasy” op. 87 (1837), four notebooks Suite – arrangements for piano chamber works of classical composers, where the composer embodied ensemble thinking on the piano, introduced the principles of dialogicity and comparison of registers as a method of artistic development of musical material. Results. Continuing the work of his teacher M. Clementi, I. B. Kramer contributed to the development of concert activities in Europe, the differentiation of pedagogy, performance and composition into independent musical activities. His methodical works and opuses of etudes were the basis of pedagogy for the next generations of pianists, defined the foundations of piano pedagogy as a scientific discipline. The piano instructional material created by I. B. Kramer allowed to master the techniques of piano playing in a short time. Along with L. V. Beethoven, I. B. Kramer made an important contribution to deepening the content of musical works by means of composer’s writing. The perfection of the presentation of piano technique had a positive effect on the development of compositional techniques in the works of the musician – the development of contrasting themes, the principles of development of musical material, the improvement of musical forms. The sphere of dramatic pathos and heroism defined the image of pathos in music, which corresponded to the possibilities of the instrument and at the same time contributed to the formation of a romantic style in piano art.
What knowledge is ”jizz”?
Authors: Lerner Henrik , Tunón Håkan
Published: March 2021

Jizz is used by many birders to identify bird species. The definition of jizz differs between authors, but concerns aspects of the bird that are not always easy to define scientifically or describe in objective terms. Rather, impressions of the bird are favoured, including size, shape, behaviour and appearance. Here we try to show that jizz is a term worth studying in detail, since its use offers insights in how to identify species, why there are differences among observers in bird surveys and why traditional knowledge about biological diversity might be worth saving when preserving species.
Häckfågelfaunan i en sydsvensk ädellövskog under 40 år – revirkartering av Ottenby lund 1972–2011
Authors: Bengtsson Daniel , Lindström Åke
Published: March 2021

We present the results from 40 years of territory mapping of a 9 ha plot in Ottenby lund, a rich broadleaved oak forest on the island of Öland in the Baltic Sea in southeast Sweden. The plot was rich in both species and territories: 1,509 territories/km2 for all 51 species and 1,474 territories/ km2 when only 38 passerines were considered. Chaffinch Fringilla coelebs and Willow Warbler Phylloscopus trochilus were the most abundant species, together 40% of the passerines. 54% of the passerine species were long-distance migrants, which made up 42% of the territories. There was a positive correlation in territory numbers between long-distance migrants and short-distance migrants/residents. Both the number of territories and the number of species increased during 1972–1991, but decreased during 1992–2011. Community and species trends did not generally follow national trends. The reasons for the local fluctuations are poorly known. Only moderate habitat change occurred, caused by occasional cutting of understory and some trees, sudden oak death, and varying numbers of deer and cattle. Increasing number of pine marten Martes martes may have had effects.
Non-breeding ecology of the Whinchat Saxicola rubetra in Nigeria
Authors: Barshep Yahkat , Ottosson Ulf , Waldenström Jonas , Hulme Mark
Published: March 2021

This study on the non-breeding ecology of the Whinchat Saxicola rubetra was conducted in central Nigeria from February through April. The core site was at Gwafan (N09°53', E08°57'), an open scrubland located 10 km east of the city of Jos. The density of Whinchats at Gwafan was 0.58 individuals/ ha, almost three times the overall density around Jos. Time budget observations of colour banded Whinchats, including six birds fitted with radio-transmitters, showed that they spent 80% of their time perching, 11% foraging, 7% preening, and 2% flying. The main method of catching insects was a swoop to the ground. There was no change in perching, preening or flying time but the time some Whinchats spent foraging increased towards the end of the study period. GPS positions of individuals showed that all birds held clearly demarcated territories and defended them against neighbours. Aggressive interactions were also recorded between Whinchats and other bird species. Three birds colour-ringed in 2006 returned to the study site in 2007 and one occupied almost the same territory, indicating site fidelity.
Postmenopozal Kadınlarda Fiziksel Aktiflik Durumu İle Antropometrik Ölçümler Ve Vücut Kompozisyonu Özelliklerinin İlişkisi
Authors: KORKMAZER Başak , BİLGEN KOCAOĞLU Sinem , ŞAHİN Erkan Melih
Published: March 2021

Giriş ve Amaç: Menopoz geçişi normal yaşlanma sürecinin bir parçası olmasına rağmen devamındaki değişiklikler kadınların sağlık-risk profilini etkilemektedir ve bu etki, birçok faktöre bağlıdır. Bu çalışmanın amacı postmenopozal kadınlarda fiziksel aktiflik durumu ile antropometrik ve vücut kompozisyonu özelliklerinin ilişkisini araştırmaktır.

Gereç ve Yöntem: Kesitsel nitelikteki bu çalışma Çanakkale Onsekiz Mart Üniversitesi Uygulama ve Araştırma Hastanesi kayıtlarında bulunan 45 yaş üstü 95 postmenopozal kadınla yürütülmüştür. Veriler araştırmacılar tarafından hazırlanan sosyodemografik veri anketi, Uluslararası Fiziksel Aktivite Testi-kısa formu, antropometrik ölçümler ve biyoempedans yoluyla vücut kompozisyonunun ölçümü ile toplanmıştır.

Bulgular: Yaş ortalaması 61,7 ± 7,2 [47 - 77] olan ve ortalama 14,6 ± 7,4 [1 - 35] yıldır postmenopozal dönemde olan 95 katılımcının ortalama ağırlığı 74,0 ± 13,6 [46,6 – 110,0] kg, boyu 155,9 ± 6,0 [141 - 171] cm idi. Menopoz sonrası geçen süre ile vücut ağırlığı arasında anlamlı negatif korelasyon mevcuttu. Yaş ve menapoz üzerinden geçen süre ile yağsız kitle arasında anlamlı negatif korelasyon mevcuttu. Katılımcıların IPAQ skorları ile yaş arasında korelasyon yoktu. Katılımcıların vücut ağırlığı, bel çevresi, kalça çevresi ortalamaları IPAQ Kategori I’de Kategori II’dekinden anlamlı yüksekti. Katılımcıların biyoempedans ölçümlerinden yağ kitlesi, yağ yüzdesi ve yağsız kitlesi ortalamaları IPAQ Kategori I’de, Kategori II’den anlamlı yüksekti. Ortalama SMI, ASMI, ALMI hesaplamaları IPAQ kategorileri arasında anlamlı farklı değildi.

Sonuç: Menopoz sonrası hormon kullanımının kalp hastalıklarına karşı korunmasındaki yetersizliği göz önüne alındığında, sağlığın korunmasında egzersizin rolü önemlidir. Çalışmamızda da gösterdiğimiz üzere menopoz süresi veya yaşın bir önemi olmaksızın fiziksel aktivitenin hayata entegre edilmesi düşük bel çevresi, yağ kitlesi, yağ yüzdesi ve yağsız kitlede artış ile karakterizedir.
Monitoring for seismological and geochemical groundwater effects of high-volume pumping of natural gas at the Stenlille underground gas storage facility, Denmark
Authors: Dahl-Jensen Trine , Jakobsen Rasmus , Bundgaard Bech Tina , Møller Nielsen Carsten , Nyrop Albers Christian , Voss Peter H. , Larsen Tine B.
Published: March 2021

The large natural gas storage facility at Stenlille, Denmark, has been monitored to investigate the effect of pumping large amounts of gas into the subsurface. Here, we present a new dataset of microseismicity at Stenlille since 2018. We compare these data with methane in groundwater, which has been monitored since gas storage was established in 1989. Further, we conducted a controlled 172 day microcosm experiment of methane oxidation on an isolated microbial community under both aerobic and anaerobic conditions. For this experiment, water was filtered from a well at Stenlille with elevated levels of thermogenic methane and ethane. No microseismic activity was detected in the gas storage area above an estimated detection level of ML 0.0 for the established network. The long-term monitoring for methane in groundwater has still only detected one leak, in 1995, related to a technical problem during injection. The microcosm experiment revealed that oxidation of methane occurred only under aerobic conditions during the experiment, as compared to anaerobic conditions, even though the filtered water was anoxic
Identifikasi Miskonsepsi Menggunakan Tes Pilihan ‎Ganda dengan CRI Termodifikasi Materi Larutan ‎Elektrolit dan Non Elektrolit
Authors: Hasan Meiske , Lukum Astin , Mohamad Erni
Published: March 2021

Penelitian ini bertujuan untuk mengetahui miskonsepsi siswa MAN 1 Kota Gorontalo tentang konsep larutan elektrolit dan non elektrolit dengan menggunakan Tes Pilihan Ganda dengan CRI Termodifikasi. Jenis Penelitian ini adalah deskriftif dengan pendekatan kualitatif. Subyek penelitian ini adalah siswa kelas X MAN 1 Kota Gorontalo sebanyak 225 orang. Instrument berupa soal pilihan ganda beralasan terbuka menggunakan CRI Termodifikasi dengan 25 soal pilihan ganda. Data penelitian diperoleh dari hasil tes pilihan ganda beralasan terbuka. Hasil Penelitian menunjukan bahwa menggunakan Tes Pilihan Ganda Dengan CRI Termodifikasi diketahui siswa Kelas X MAN 1 Kota Gorontalo mengalami Miskonsepsi dengan Persentase tertinggi pada indikator menjelaskan penyebab kemampuan larutan elektrolit yakni Miskonsepsi 1 sebesar 25%, Miskonsepsi 2 sebesar 18% dan Miskonsepsi 3 sebesar 12%. Indikator dengan nilai presentase terendah adalah Indikator pengertian larutan elektrolit dan non elektrolit yakni Miskonsepsi 1 sebesar 15%, Miskonsepsi 2 sebesar 10% dan Miskonsepsi 3 sebesar 6%.
Marcha del Orgullo LGBT de Ciudad de México
Authors: Jiménez de Sandi Alfonso
Published: March 2021

La cuestión del movimiento social organizado en torno a la diversidad sexual, en México ha venido transitando desde el silenciamiento, a nivel general, hasta su organización como movimiento emergente, cuando se manifestó, de manera evidente para el conjunto de la sociedad, en las marchas del orgullo a partir de los años setenta del siglo XX.  

La situación de ocultamiento, marginación y silenciamiento de la comunidad diverso sexual en México estuvo presente hasta que la acción colectiva de diversas agrupaciones de activistas consideraron la defensa de la identidad sexual y la salida del “clóset” como estrategia política para romper con mitos y estereotipos, así como para exigir una mayor defensa de sus Derechos Humanos como personas con orientación sexual diferente a la heterosexual, dando lugar al inicio del movimiento de liberación sexual en México. El movimiento ha pugnado desde la pertenencia a una sociedad incluyente e igualitaria fuera de todo acto discriminatorio; hasta la puesta en marcha de programas de educación sexual y de asistencia médica para la prevención y tratamiento de enfermedades sexuales, así como por el respeto a la libre decisión de parejas del mismo sexo a establecer una sociedad de convivencia dentro de parámetros legales. El artículo a continuación hace un recorrido histórico del movimiento reflexionando sobre sus logros y alcances, así como sus limitaciones y desafíos.
En el laberinto de la Unión Europea
Authors: Bavone William
Published: March 2021

Es una práctica común tomar como ejemplo de un proceso de integración regional a la Unión Europea (UE), único esquema de asociación que concretamente ha reducido la soberanía de diferentes países para crear una compartida. De la Unión Política se pasó en poco a tiempo a una Unión Monetaria, si bien, no todo fue realmente fruto de un trabajo de armonización. Actualmente, la distorsión producida por la “unión a toda costa” es más que evidente, sea desde el punto de vista económico (incapacidad para encontrar una solución a la prolongada crisis financiera) como desde el punto de vista social (incapacidad de dar una respuesta armónica y concreta a la gestión de los flujos migratorios provenientes del Medio Oriente y del Magreb). El presente artículo describe el contexto general actual, recorriendo históricamente los hitos que han marcado el proceso de integración europea y reflexionando sobre los desafíos que deben aún superarse.
Grecia, crónica de un desastre anunciado.
Authors: Gabellini Giacomo
Published: March 2021

La crisis griega se remonta, especialmente al 2009, cuando se hicieron conocidos los auténticos datos sobre el estado real de la economía nacional. Para ocultar los datos verdaderos, los líderes griegos recurrieron a la ayuda de los bancos de Inversión Goldman Sachs y JP Morgan Chase falsificando las cuentas y permitiendo al país unirse a la “zona euro”. Con el ascenso del partido socialista PASOK, el verdadero estado de las cuentas públicas fue dado a conocer a sus pares europeos. El presente artículo indaga críticamente sobre la versión oficial de los hechos y pone de manifiesto los intereses ocultos tras los avances y retrocesos de los rescates financieros a Grecia, donde la lógica del más fuerte se impone.
No todo lo que brilla es oro.
Authors: Actis Esteban , Zelicovich Julieta
Published: March 2021

La literatura predominante en las Relaciones Internacionales señala, desde hace algunos años, que el poder internacional se encuentra en un proceso de transformacionesy que se está en presencia de una “reconfigura-cióndel sur global”. En nuestra opinión, sin embargo, estas afirmaciones sobredimensionan la profundidad y el carácter delas transformaciones. En este trabajo pondremos en debate los conceptostan extensamente utilizadosde “reconfiguracióndel orden internacional”y de “democratización de las relaciones internaciona-les”y buscaremos testear sus alcances y límites. Nuestrahipótesis es que si bien desde comienzos del siglo XXI se ha producido una re-distribución de los recursos principalmente económicos a nivel global, las reglas principios, instituciones y normas que han venido estructurandoel sistema internacionaldesde la segunda mitad del siglo XXno han presentado cambios. Las potencias emergentes enuncian un discurso de reforma del sistema peroen sus accionesintentan convergir con los poderes tradicionales, transitando por el sendero del orden liberal.Para el restodel “sur” este accionar no genera nuevas posibilidades de participación e in-fluencia en el sistema internacional sino que replica las asimetrías y dependencias del orden prevaleciente.
Debate en torno a las políticas de inmigración en Chile:
Authors: Pavez Contreras Diego Alfredo
Published: March 2021

El presente trabajo analiza la posibilidad de considerar la política de inmigración y extranjería como parte del poder blando del país. Para ello se estudia la configuración de la inmigración actual hacia el país considerando las relaciones vecinales de Chile.

El trabajo hace hincapié en mirar la política de inmigración con una perspectiva estratégica para poder acentuar los procesos de integración del país en el cono sur y bajar las tensiones políticas con los países vecinos del sector norte.

Finalmente, este trabajo hace un llamado a utilizar el poder blando del país para mejorar las percepciones de Chile en el extranjero.
Candidata a la corona: la infanta Carlota Joaquina en el laberinto de las revoluciones hispanoamericanas
Authors: Barolin Ezequiel
Published: March 2021

Carlota Joaquina es un personaje controversial en la historiografía latinoamericana, así como en los múltiples relatos, mitos, leyendas y novelas que de ella llegan hasta nuestros días. Como hija mayor del rey Carlos IV de España y esposa de João VI de Portugal, divisó en la crisis desatada en la península la posibilidad de erigirse como regente de la América hispana y disputar sus derechos sucesorios al trono. En una narración clara y atrapante, Marcela Ternavasio arroja luz sobre los planes, intrigas y peripecias en torno a los planes políticos de esta figura que ha sobrevivido a la historia como un ser extravagante, ambicioso, y de rasgos viriles, pero que claramente ha sido un actor central como alternativa válida en el contexto revolucionario, específicamente en el periodo abarcado en el libro entre 1808 y 1814.
inserción internacional de Rusia en América Latina a partir del proyecto BRICS:
Authors: Serra María Belén
Published: March 2021

La re-emergencia de la Federación Rusa como actor global ha implicado la búsqueda de nuevas alianzas y espacios de vinculación. América Latina, debido a su interés geopolítico, así como el objetivo de diversificar las relaciones comerciales, se ha constituido en una región de vital interés para el gobierno ruso. El proyecto de BRICS, liderado por Brasil, Rusia, India, China y Sudáfrica ha sido el principal motor en el resurgimiento de las relaciones con la región latinoamericana, siendo un puntapié para direccionar las relaciones con los principales países, como Argentina, Brasil y México.
El “currículum” en la enseñanza del Derecho.
Authors: Mercado Díaz José Salvador
Published: March 2021

En el presente artículo nos proponemos estudiar el “currículum” en la enseñanza del derecho en la Facultad de Derecho de la Universidad Autónoma de Querétaro (México) en la actualidad (2018). Analizaremos el contenido del currículum, reflexionaremos sobre la inclusión de valores e ideales humanos en la enseñanza del mismo (relacionados con la práctica social o más específicamente con el ejercicio del derecho de un modo socialmente comprometido), y finalmente, realizaremos algunas sugerencias para la incorporación de elementos que ayuden a potenciar una práctica del derecho responsable y comprometido con la sociedad.

A fin de hallar respuestas satisfactorias, hemos hecho uso de encuestas individuales anónimas y semiestructuradas, así como entrevistas personales a alumnos y docentes. También realizamos un análisis pormenorizado de los planes de estudio, de los programas de las asignaturas e investigamos respecto de las actividades promovidas por la Escuela de Derecho de la Universidad Autónoma de Querétaro (UAQ) como ámbito de extensión.
Market study identifying the feasibility of producing dog food dispensers in Nanchital, Veracruz
Authors: Mina Susana del Carmen , García-Sosa Alfonso , Gómez-Arreola Elizabeth , Moreno-Robledo María del Carmen
Published: March 2021

Nowadays, families have a pet that represents a part of the love and affection they can give to others, but having this new member implies being responsible regarding its care and feeding, among other aspects. For the owners of a pet it can pose a serious inconvenience, for they need to be very tidy, attentive and comply with the schedules of feeding it. Derived from the above, this research consists of evaluating the feasibility of producing and selling a dog food dispenser that is automatic, programmable and remotely controlled in Nanchital, Veracruz. For this purpose, we conducted a quantitative field research of a descriptive nature with cross section, for it was carried out during a certain period of time. The sample was obtained by consulting an online calculator on the Survey Monkey website with a population of 26,070 people, 5% error and 95% confidence level, obtaining a sample of 379 people to be surveyed. (Survey Monkey, 2019). The sampling technique will be randomized, with respondents chosen completely at random.The data collection technique was the survey and the instrument consisted of a 15-question questionnaire. This questionnaire contains multiple choice questions, a Likert scale that allowed us to determine that the production and sale of this dispenser is viable, since most people work and have no way of feeding their pets in the morning and sometimes in the afternoon.
Implementation of the ID3 algorithm for the generation of a decision tree with food health data from the State of Guerrero, Mexico
Authors: Gallardo-Bernal Iván , Molina-Ángel Félix , Hernández-Hernández José Luis , Herrera-Miranda Israel
Published: March 2021

Mexico faces a significant public health problem related to the eating habits of the population. More than 50% of the world's obese people live in 10 countries, including Mexico (Ng et al., 2014). In 2014, Mexico had the highest obesity prevalence rate in Latin America (PAHO, 2016a). The prevalence of obesity in adults in the state of Guerrero in 2012 was 71.5% (Barquera, 2012) The objective of this research was to generate a diagnosis of these conditions in both urban and rural locations in the seven regions of the state of Guerrero. The information was analyzed using an information system called SIOB, which is a technological tool developed to collect information from the population with a sample of 23,000 people, users of the public health sector of the state of Guerrero. We used the Weka tool of the University of Waikato (Eibe et al., 201d6) to generate a visible decision tree that shows the prevalence of these conditions in the state of Guerrero. It is considered that these visualization tools can help in the implementation of public policies that contribute to the prevention of these chronic degenerative diseases.
Conceptual contributions to the determination of the curvature in Engineering courses
Authors: Vázquez-González Benjamín , Jiménez-Rabiela Homero , Bravo-Acosta Adrian Gustavo , Quintana-Diaz María Berenice Guadalupe
Published: March 2021

Differential geometry began with the study of the characteristics of planar curves, then the behavior of the curves in space was analyzed, which led to the postulates of Frenet, and hence differential geometry evolved due to the contributions of Gauss. At the highly specialized undergraduate courses, most of the literature presents this topic based on definitions, which can be understood with some difficulty by both students and even some teachers. This work presents a detailed description of the terms defined in the concept of curvature. It is of great importance that students from engineering courses understand this concept with certainty and confidence, because it will allow perceiving abstract terms, such as radius of curvature, osculating circle, normal vector; thus, they will have complete handling in the basic description of the movement of bodies. Some examples are presented.
Physical Characterization-Chemistry of Essential Oil of Oregano in 6 Communities of the Municipality of Rodeo, Dgo.
Authors: Marín-Tinoco. R.I. , Silva-Marrufo O. , González-Güereca. M.C.
Published: March 2021

The municipality of Rodeo is one of the largest oregano producers in the state of Durango, reporting an average of 100 tons per year, which are used as a condiment and there is no use in its entirety. The objective of the present work was Physicochemical Characterization of Essential Oil of Oregano (AEO) in 6 communities of the municipality of Rodeo Durango, the methodology was carried out by dragging with water vapor, where quality and quantity of oil were controlled, using the leaves of The oregano plant, the density, was determined by means of a pycnometer and the index of refraction by means of a refractometer (Master Refractometer). The results obtained for the index of refraction of the oils of the 6 localities circle between 1.47-1.50 which indicates an acceptable purity in the (AEO). The density of oils circle between 0.91-0.92. The chemical components were read by gas chromatography and a Flame Ionization Detector (FID), where a higher percentage of concentration on the carvacrol compound was reported, which circulated between 60-70% while the compound Thymol was between 30-40%. A statistical analysis was performed to determine if there was a significant difference between the concentration of the analytes based on the height of the sample obtaining a significance >5, which indicates a difference between the data.
On Being a Muslim Teacher in England
Authors: Mogra Dr. Imran
Published: March 2021

This article charts a new area in Muslim educational thought by providing insights into perspectives held by Muslim primary state-school teachers in England regarding teachers and teaching. It attempts to explore themes, in the context of education, related to the evolving relationship between faith and professionalism. Drawing on data from research conducted using a life-history approach to discover the experiences of these teachers, it examines the dynamics of teacher identity and the role of faith in schooling. The findings indicate that faith is important to these teachers in relation to their work, although fundamental distinctions exist about its role. “Ideal teachers” are conceptualized in terms of the religion and teaching. From a teacher’s perspective, their narratives give the perception that from various standpoints, Muhammad (ṢAAS) is considered as an ideal teacher and a model. Their interpretation of the meaning of being a Muslim teacher reflects a heterogeneous understanding, and it affects some of their thinking in the classroom. The article concludes, cautiously, that for these Muslim teachers, while the centrality of faith is significant in their lives, there does not appear to be a necessary transference of being a Muslim and having a faith position into being a teacher. Apparently, their foremost concern is teaching, and successful teaching is achieved by maintaining their integrity and that of the children they teach. Some teachers among them are able to meet their faith requirements through the guidelines provided by their faith. Guidelines from faith perspectives need to be understood by school leaders in order to assist teachers from all communities to be comfortable with their faith in a school environment.
Undermined Syncretism
Authors: Prakash Om
Published: March 2021

The syncretic cultural tradition of India for the last five thousand years is a noble legacy and a contribution of India to the world. Some major religions of the world took their birth in India. The incoming of foreigners added new elements to India’s cultural tradition, and enriched it—and subsequently, this tradition evolved into a composite culture. This paper primarily looks into the aspect of what happened during the colonial period in India, which undermined this rich syncretic tradition and subsequently fragmented the Indian subcontinent along the religious lines. The paper is based upon the hypothesis that separatism is a gradual process, which is nurtured during a period of time and which leads to the eruption of division, partition, or the breaking up of the state. The result of this process becomes a strong movement if actions to combat it are not launched. This paper also explores how Muslim separatism was fed by various reactionary elements, which included colonial and imperial forces comprised of members of different castes, creeds, and religions.
In Diplomatic Banquet of Treaty
Authors: Dawood Hamzah Adesola
Published: March 2021

The importance of treaties in international relations cannot be overemphasized especially now that the contemporary world has radically changed to a global village’. It has been observed as far back as 1960s that “modern international law can hold the allegiance of the world at large only by establishing its claim to continuing acceptance as a synthesis of the legal thought of widely varying tradition and culture.”1including Islamic law. Hugo Grotius drew most of his ideas of modern international law from the Bible and from the St. Augustine’s just war theory. It is not surprising, therefore, that treaties under modern international law are based on good faith. “The ideal of law in Islam is based on good faith. . . .”2 This is an indication that Islamic law and modern international law must have come from the same source. Treaties, therefore provide a veritable opportunity to attempt a harmony and a communality between the two legal regimes with a view to achieve, despite the complexity and diversity of human society, a common universal understanding that ensures peace and cooperation across the globe. This article aims at achieving that objective