This article takes up the matter of contemporary threats to cities and urbanity, setting the problems cities face today against the background of the two categories of the resilient city and the city developing sustainably. The author describes and presents the evolution of the sustainable development concept as such, as well as the generational change in priorities that has taken place where the development of urbanised areas is concerned, given the way the concept has undergone a certain devaluation, in the light of its failure to achieve fulfi lment. The challenges cities face today require multi-faceted activity, in respect of increased inclusivity, robustness and resilience, and flexibility. This leaves today’s idea of the resilient city embracing old elements of the sustainable city, but also augmenting them in various ways.
Blockchain technology currently receives a lot of public attention with its disruptive potential to rebuild a currently state of economy. While blockchain technology is treated potentially disruptive in socio-economic environment, there is a lack of understanding where and how blockchain technology is effectively applicable and where it has mentionable practical effects. The use of this technology inside many businesses caused a need to create a system of tools and methods allow properly description to generate valuable information for governments, management, customers etc. Due to a lack of information related to blockchain technology it is a must to explore potential of blockchain in the context of risk. This paper examinees a problem of implementation blockchain technology within finance industry. The main aim of the article was to outline how important is to understand potential of blockchain technology and its limitations, therefore the author prepared a model which can be used to classify blockchain technology implementations in finance industry. This study describes existing issues in the financial aspect.
This article examines the contribution of the Tartu-Moscow School of Semiotics to semiotic studies of history, with the main focus on the work of Yuri Lotman and Boris Uspensky.
Due to the occurrence of zinc and lead ore deposits in dolomite rocks, the sphalerite concentrates obtained from these ores contain an admixture of dolomite. In practice, a substantial amount of magnesium included in zinc ores passes to the last production stage, i.e. zinc electrolysis. The magnesium present in electrolyte impairs electrical conductance and appears in the technical and economical indexes. This paper deals the attempts to remove magnesium removal from initial sphalerite concentrates by means of chemical flotation using spent electrolyte derived from zinc electrolysis. The authors attempt to substantiate the existing relationships, as well as to derermine the optimum conditions for the procedure suggested. The leaching efficiency of magnesium amounted to about 80%, and is dependent upon the stage of the leaching. Losses of zinc were below 2%, and the magnesium concentration in solution amounted to about 20%. These solution can produce magnesium and zinc, which will be presented in the following paper.
The study of emotion regulation constitutes a major area of research for having a complete picture of human emotional experience, and several lines of evidence claim that poor emotion regulation skills are particularly deleterious in different aspects of life. Previous tDCS studies have suggested the beneficial role of DLPFC stimulation to improve emotion processing and regulation. The present study was therefore conducted to confirm and extend the effects of DLPFC stimulation on emotion regulation by including both positive and negative emotional material. In this between subjects study, participants were randomly assigned to receive active or sham stimulation over the left DLPFC. Participants viewed negative, positive, and neutral pictures while attempting to decrease, increase, or not modulate their emotional reactions. Subjective reactions were assessed via on-line ratings. The main results show that anodal tDCS stimulation over the left DLPFC slightly improves the ability to increase emotion perception for positive emotions. More interestingly, the results demonstrate that tDCS enhances the regulation of both positive and negative emotions when the baseline is considered. This study provides additional data on the use of tDCS as a tool to increase emotion regulation not only for negative affective material, but also for positive ones.
O b j e c t i v e s: The aim of study was to investigate the association between anxiety, depression, stress and determinants of quality of life among Iranian students.
M e t h o d s: The questionnaires were completed by 275 students. The random sampling was conducted in two phases, the stratified sampling which some classes were selected among different classes of faculty of health and at the second phase, in each class the number of students who had the requirements to enter in the study were selected randomly. the logistic regression to find out the association between demographic characteristics with the quality of life was run and according to the normality status of the distribution of data the parametric or non-parametric tests were used.
R e s u l t s: In the univariable model, the students that were living in their own homes had the odds of 2.18 times more than the others to have a higher quality of life level (95% CI: 1.07–4.45). In the multi variable model the anxiety and stress were significantly related to the quality of life and for increasing each 1 unit in the amount of anxiety and stress the odds of a better quality of life decreases 0.19 and 0.03 respectively. Even after adjusting for other covariates – in the multivariable model – both anxiety and stress were associated with the quality of life.
C o n c l u s i o n: It is useful for the universities to understand different aspects of the students’ lives which are under the influence of stress, anxiety and depression, and also determining the resources from which they are originated.
Increasing the share of energy production from renewable sources (RES) plays a key role in the sustainable and more competitive development of the energy sector. Among the renewable energy sources, the greatest increase can be observed in the case of solar and wind power generation. It should be noted that RES are an increasingly important elements of the power systems and that their share in energy production will continue to rise. On the other hand the development of variable generation sources (wind and solar energy) poses a serious challenge for power systems as operators of unconventional power plants are unable to provide information about the forecasted production level and the energy generated in a given period is sometimes higher than the demand for energy in all of the power systems. Therefore, with the development of RES, a considerable amount of the generated energy is wasted. The solution is energy storage, which makes it possible to improve the management of power systems. The objective of this article is to present the concept of electricity storage in the form of the chemical energy of hydrogen (Power to Gas) in order to improve the functioning of the power system in Poland. The expected growth in the installed capacity of wind power plants will result in more periods in which excess energy will be produced. In order to avoid wasting large amounts of energy, the introduction of storage systems is necessary. An analysis of the development of wind power plants demonstrates that the Power to Gas concept can be developed in Poland, as indicated by the estimated installed capacity and the potential amount of energy to be generated. In view of the above, the excess electricity will be available for storage in the form of chemical energy of hydrogen, which
In our paper we discuss the development of analytical/periphrastic structures in Spa-nish such as the periphrastic passive voice, the periphrastic comparison of the adjec-tictive, and the periphrastic future tense. Moreover, we discuss the process of phonetic attrition within the noun paradigm and the development of the SVO word order from the SOV one. We take into consideration a stretch of time that starts in the pre-Proto-Indoeuropean period and ends in the period of Modern Spanish. One of our conclu-sions is that the development of analytical structures is part of a cyclical process.
The focus of the paper is the recapitulation of the results originating from the research based on Old English deverbal nouns derived by means of overtly expressed suffixes. In the process of research thirteen suffi xes were classified and analysed: -d and its variants -ed, -oþ/-aþ, -þ, and -t, -el and its variants -l, -ol, and -ele, -els/-else, -en, -end, -ere, -estre, -et(t), -icge, -ing (F)/-ung, -ing (M, N), -ling, -nes(s). The research included a presentation of each suffix, a description of the derivational process along with additional processes as well as an analysis of nominal derivatives. The origin, spelling variants and other characteristic features were analysed for all thirteen suffixes. The study of the research corpus comprised examination of the derivational base, including its type and class as well as its transitivity and the derived lexeme, its membership within grammatical gender and declension as well as its structure and semantic features. The main purpose of the present article is to expound the final findings and comments on the subject concerning deverbal nouns in Old English.
Neighbouring as a type of social interchange and multi-dimensional social phenomenon is of funda-mental importance in the social sciences and problems associated with intercultural and interethnic neighbouring are currently on the increase. Contemporary migration processes and ethnic diversity in Poland are relatively new issues that are reflected in the experiences of both migrants and representa-tives of the host society. The aim of this article is to analyse intercultural neighbourly contacts be-tween Poles and migrants in Warsaw in the context of Erving Goffman’s sociology of interaction. These contacts and the social processes they involve are of great importance when it comes to mi-grants’ integration in their new place of residence. The article considers how glances, gestures and behaviours are interpreted, leading to the formation of specific opinions and attitudes between mi-grants and Poles. Both ‘unfocused’ and ‘focused’ interactions are analysed, with an emphasis on ex-pectations and definitions of tactful behaviour in intercultural neighbourly encounters and the concept of ‘polite indifference.’ Conclusions are based on semi-structured interviews conducted with Poles and migrants from Vietnam, Turkey and African countries living in Warsaw, Poland.
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