bluuebunny/crossref_metadata_2025 huggingface dataset:
Caution Ahead: Research Challenges of a Randomized Controlled Trial Implemented to Improve Breast Cancer Treatment at Safety-Net Hospitals
Authors: Bickell Nina A. , Shah Ajay , Castaldi Maria , Lewis Theophilus , Sickles Alan , Arora Shalini , Clarke Kevin , Kemeny Margaret , Srinivasan Anitha , Fei Kezhen , Franco Rebeca , Parides Michael , Pappas Peter , McAlearney Ann Scheck
Published: January 2018

Purpose:

To implement and test a Web-based tracking and feedback (T&F) tool to close referral loops and reduce adjuvant breast cancer treatment underuse in safety-net hospitals (SNHs).

Patient and Methods:

We randomly assigned 10 SNHs, identified patients with new stage 1 to stage 3 breast cancer, assessed their connection with the oncologist, and relayed this information to surgeons for follow-up. We interviewed key informants about the tool’s usefulness. We conducted intention-to-treat and pre- and poststudy analyses to assess the T&F tool and implementation effectiveness, respectively.

Results:

Between the study start and intervention implementation, several hospitals reorganized care delivery and 49% of patients scheduled to undergo breast cancer surgery were ineligible because they already were in contact with an oncologist. One high-volume hospital closed. Despite randomization of hospitals, intervention (INT) hospitals had fewer white patients (5% v 16%; P = .0005), and more underuse (28% v 15%; P = .002) compared with usual care (UC) hospitals. Over time, INT hospitals with poorer follow-up significantly reduced underuse compared with UC hospitals (INT hospitals, from 33% to 9%, P = .001 v UC hospitals, from 15% to 11%, P = .5). There was no difference in underuse (9% at INT hospitals, 11% at UC hospitals; P = .8). Hospitals with better follow-up (odds ratio, 0.85; 95% CI, 0.73 to 0.98) had less underuse. In settings with poor follow-up and tracking approaches, key informants found the tool useful. The rapidly changing delivery landscape posed significant challenges to this implementation research.

Conclusion:

A T&F tool did not significantly reduce adjuvant underuse but may help reduce underuse in SNHs with poor follow-up capabilities. Inability to discern T&F effectiveness is likely due to encountered challenges that inform lessons for future implementation research.
Community-level Sports Group Participation and Older Individuals’ Depressive Symptoms
Authors: TSUJI TAISHI , MIYAGUNI YASUHIRO , KANAMORI SATORU , HANAZATO MASAMICHI , KONDO KATSUNORI
Published: January 2018

Purpose

Community-level group participation is a structural aspect of social capital that may have a contextual influence on an individual’s health. Herein, we sought to investigate a contextual relationship between community-level prevalence of sports group participation and depressive symptoms in older individuals.

Methods

We used data from the 2010 Japan Gerontological Evaluation Study, a population-based, cross-sectional study of individuals 65 yr or older without long-term care needs in Japan. Overall, 74,681 participants in 516 communities were analyzed. Depressive symptoms were diagnosed as a 15-item Geriatric Depression Scale score of ≥5. Participation in a sports group 1 d·month−1 or more often was defined as “participation.” For this study, we applied two-level multilevel Poisson regression analysis stratified by sex, calculated prevalence ratios (PR), and 95% confidence intervals (CI).

Results

Overall, 17,420 individuals (23.3%) had depressive symptoms, and 16,915 (22.6%) participated in a sports group. Higher prevalence of community-level sports group participation had a statistically significant relationship with a lower likelihood of depressive symptoms (male: PR, 0.89 (95% CI, 0.85–0.92); female: PR, 0.96 (95% CI, 0.92–0.99), estimated by 10% of participation proportion) after adjusting for individual-level sports group participation, age, diseases, family form, alcohol, smoking, education, equivalent income, and population density. We found statistically significant cross-level interaction terms in male participants only (PR, 0.86; 95% CI, 0.77–0.95).

Conclusions

We found a contextual preventive relationship between community-level sports group participation and depressive symptoms in older individuals. Therefore, promoting sports groups in a community may be effective as a population-based strategy for the prevention of depression in older individuals. Furthermore, the benefit may favor male sports group participants.
College Party Culture and Sexual Assault
Authors: Lindo Jason M. , Siminski Peter , Swensen Isaac D.
Published: January 2018

This paper considers the degree to which events that intensify partying increase sexual assault. Estimates are based on panel data from campus and local law enforcement agencies and an identification strategy that exploits plausibly random variation in the timing of Division 1 football games. The estimates indicate that these events increase daily reports of rape with 17–24-year-old victims by 28 percent. The effects are driven largely by 17–24-year-old offenders and by offenders unknown to the victim, but we also find significant effects on incidents involving offenders of other ages and on incidents involving offenders known to the victim. (JEL I23, J16, K42, Z13)
Is diet important in bipolar disorder?
Authors: Łojko Dorota , Stelmach-Mardas Marta , Suwalska Aleksandra
Published: January 2018

W ostatnich latach coraz częściej wskazuje się, że dieta/odżywianie ma znaczenie w patogenezie, przebiegu i skuteczności leczenia różnorodnych zaburzeń psychicznych. Większość opublikowanych dotychczas badań dotyczyła roli żywienia i poszczególnych składników pokarmowych (nutrients) w rozwoju i leczeniu depresji. Wyniki wskazywały na zależności między dietą a ryzykiem rozwoju depresji. Niewiele badań dotyczyło zależności między dietą a chorobą afektywną dwubiegunową (CHAD), choć można przypuszczać, iż część obserwacji dotycząca osób chorujących na depresję może dotyczyć pacjentów z CHAD. Autorzy przedstawiają przegląd badań dotyczących związku między dietą a chorobą dwubiegunową i zastosowania interwencji dietetycznych w leczeniu CHAD. Omówiono również zastosowanie w leczeniu CHAD składników odżywczych, m.in. wielonienasyconych kwasów tłuszczowych, N-acetylocysteiny, witaminy D, kwasu foliowego, cynku. Dla pacjenta uzupełnienie leczenia zaburzeń nastroju o zalecenia dietetyczne, suplementację wybranymi składnikami odżywczymi, uzupełnianie mikroelementów, może dawać, oprócz pośredniego i bezpośredniego działania na funkcjonowanie mózgu, możliwość większego współuczestniczenia w leczeniu, zwiększać poczucie kontroli, radzenia sobie, co może mieć istotny wpływ na przebieg CHAD i skuteczność jej leczenia.
Investigating Primary School Teachers’ Perception About Democracy Through Metaphor Analysis
Authors: Nasirci Hasan , Sadik Fatma
Published: January 2018

The aim of this study is to examine democracy perception of classroom teachers via metaphor analysis. Study group for research is formed of 253 classroom teachers. “Democracy Metaphors Questionnaire” (DMQ) has been used in collecting data. Content analysis has been used on analysis of qualitative data of research and descriptive statistics have been used on quantitative data. The metaphors that teachers developed with a total 122 metaphor different from one another about democracy are gathered under “Indispensability”, “Equality”, “Social Order”, “Freedom”, “Endeavour”, “Power”, “Variety”, “Progression”, “Conservation”, “Personal Gains” and “Nothingness”. While first three themes under which women teachers gathered being indispensability, equality and endeavour metaphors, men teachers are gathered under indispensability, social order and freedom metaphors. Family environment and upbringing, relations with friends, culture of social environment, political activities in society and news in media tools have been the effective factors in forming democracy perception that the teachers possess.
The Relations between the Organizational Happiness and the Organizational Socialization Perceptions of Teachers: The Sample of Physical Education and Sport
Authors: Tosten Rasim , Avci Yunus Emre , Sahin Erhan
Published: January 2018

The main purpose of this research is to examine the relationship between levels of organizational happiness and organizational socialization of physical education and sport teachers. The research is quantitative and correlational model. The population of the research is composed of 257 physical education and sports teachers working in Siirt province. The entire universe was tried to be reached and 244 physical education and sports teachers were reached at the target stage. Within the scope of the research, 2 measurement tools were used. The Organizational Happiness Scale was developed by Bulut. The ''Organizational Socialization Scale'' was developed by Erdogan. Some of the research results are as follows: Arithmetic mean, standard deviation, correlation and simple regression tests were used in the analysis of the research data. Teachers' organizational happiness levels are high and organizational socialization levels are very high. There is a high level of positive correlation (r =, 67) between the levels of organizational happiness and organizational socialization of teachers. Teachers' organizational happiness is predicting organizational socialization. The model explains organizational socialization by 55%.
Correlation between Computer and Mathematical Literacy Levels of 6th Grade Students
Authors: Ic Unal , Tutak Tayfun
Published: January 2018

Literacy has been defined in the literature frequently. Each new interpretation leads to the idea that the definition can change based on the relevant environment, instruments used and/or the intended objective and there might be different types of literacy including computer literacy, media literacy and visual literacy (Reinking, McKenna, Labbo and Kieffer, 1997; Tuman, 1994). This is also true for computer literacy and mathematical literacy. Therefore, there is a need for studies on computer and mathematical literacy. The objective of the present study was to determine the computer and mathematical literacy levels of secondary school 6th grade students and to reveal the correlation between computer and mathematical literacy levels. The study sample included students that attended provincial, district and village schools, as well as the private schools. The correlation between the computer and mathematical literacy levels of the students that were selected from various regions was determined and the differences based on these levels among the schools were also identified. Since the study aimed to determine the correlation between computer literacy and mathematics literacy of the 6th grade students, relational screening model was utilized in the study. Relational (correlative) studies aim to determine whether there is a correlation between two or more variables (Karasar, 2009). Study population included 139 6th grade students attending a secondary school in Turkey. In the study, “Mathematics Literacy Scale” and “Computer Literacy Scale,” which were developed by the author and tested for validity and reliability were used. The obtained data were analyzed by specific statistical techniques. After the findings were analyzed, results were discussed based on the findings in the literature and necessary recommendations were presented.
SIMPLE MODELS OF THREE COUPLED PT -SYMMETRIC WAVE GUIDES ALLOWING FOR THIRD-ORDER EXCEPTIONAL POINTS
Authors: Schnabel Jan , Cartarius Holger , Main Jörg , Wunner Günter , Heiss Walter Dieter
Published: January 2018

We study theoretical models of three coupled wave guides with a PT-symmetric distribution of gain and loss. A realistic matrix model is developed in terms of a three-mode expansion. By comparing with a previously postulated matrix model it is shown how parameter ranges with good prospects of finding a third-order exceptional point (EP3) in an experimentally feasible arrangement of semiconductors can be determined. In addition it is demonstrated that continuous distributions of exceptional points, which render the discovery of the EP3 difficult, are not only a feature of extended wave guides but appear also in an idealised model of infinitely thin guides shaped by delta functions.
NUMERICAL CALCULATION OF THE COMPLEX BERRY PHASE IN NON-HERMITIAN SYSTEMS
Authors: Wagner Marcel , Dangel Felix , Cartarius Holger , Main Jörg , Wunner Günter
Published: January 2018

We numerically investigate topological phases of periodic lattice systems in tight-binding description under the influence of dissipation. The effects of dissipation are effectively described by PT-symmetric potentials. In this framework we develop a general numerical gauge smoothing procedure to calculate complex Berry phases from the biorthogonal basis of the system's non-Hermitian Hamiltonian. Further, we apply this method to a one-dimensional PT-symmetric lattice system and verify our numerical results by an analytical calculation.
STUDI LINTAS BUDAYA OPTIMISME PADA MAHASISWA PROGRAM STUDI KEBIDANAN
Authors: Musabiq Sugiarti , Meinarno Eko Aditiya
Published: January 2018

Optimism is a critical aspect influencing midwive candidate in their educational phase because it could affect midwifery students in overcoming any obstacles during their study. One of the factors associated with optimism is culture. This study was conducted to examine the differences of optimism given various ethnicities on midwifery students. The study sample was the 476 vocational students majoring in midwifery that were located in the provinces of DKI Jakarta, West Java, Banten, and West Sumatra (women only, age ranged 19-20 years). The LOT-R questionnaire was used to collect data on optimism. The results of One-Way ANOVA test showed that there was no significant difference on optimism in view of ethnicity (F=1.040; p>.05). The future studies should involve more participants from various ethnicities in Indonesia, especially ethnicities in the eastern region of Indonesia.
KELEKATAN, HARGA DIRI DAN PENYESUAIAN SOSIAL PADA KORBAN PERUNDUNGAN
Authors: Kustanti Erin Ratna
Published: January 2018

This study aims to investigate the correlation of attachment and self-esteem to social adjustment on victims of bullying. Bullying victims encounter adverse effects that can prolong until adulthood. They also experience poor social adjustment. Good social adjustment associated with self-esteem. A warm and rewarding parenting practices facilitate high self-esteem. Emotional closeness creates strong bonds. Therefore attachment influences the formation of a sense of security for the survival of the child’s life in the future. The study population is students who were also bullying victims. The participants were 50 students that were identified using purposive sampling technique. The Social Adjustment Scale, the Attachment Scale, and the Self-Esteem Scale were used to collect data. The results of multiple regression analysis indicated that attachment and self-esteem predict social adjustment on victims of bullying  (F(2,47) = 5,576; p = 0,007; R2= 0,192). Partially, attachment predicts social adjustment on victims of bullying (F(1,48) = 5,201; p = 0,027; R2= 0,098) and self-esteem predicts social adjustment on victims of bullying (F(1,48) = 10,713; p = 0,002; R2= 0,182).
HUBUNGAN ANTARA KESEPIAN DAN KECENDERUNGAN NARSISISTIK PADA PENGGUNA JEJARING SOSIAL MEDIA INSTAGRAM
Authors: Sembiring Kembaren Dianelia Reginanta
Published: January 2018

This study aims to investigate the relationship between loneliness and narcissistic tendencies on social network Instagram users. The population in this study is the users of social network Instagram for at least 6 months, aged 18-24 years, has a minimum of 90 photos on their instagram account, actively access instagram account  for once until twice a day. Snowball sampling is used in this study, with the participation of 65 participants. Measurement instrument used in this study were UCLA Loneliness Scale Version 3 and the Narcissistic Personality Inventory 40 Items. Pearson's Product Moment is used to test the correlation between loneliness and narcissistic tendency. The results of this study showed that there was no relationship between loneliness and narcissistic tendency among social network Instagram users (r = -0.080, p=.264).
Pembuatan Briket Arang Dari Campuran Tempurung Kelapa dan Serbuk Gergaji Kayu Sengon
Authors: Anggoro Didi Dwi , Wibawa Muhammad Hanif Dzikri , Fathoni Moch Zaenal
Published: January 2018

Indonesia merupakan negara tropis yang memiliki potensi dalam pengembangan energi terbarukan berupa energy biomassa dari briket tempurung kelapa. Briket ini merupakan hasil pengolahan limbah biomasa, diantaranya tempurung kelapa dan serbuk kayu. Tujuan penelitian ini adalah untuk mengetahui pengaruh suhu, konsentrasi perekat dan komposisi bahan baku terhadap nilai kalor  briket. Bahan yang digunakan antara lain serbuk gergaji sengon, tempurung kelapa, tepung tapioka, aquadest. Alat yang digunakan kiln drum, alat pengempa briket, bom kalorimeter, oven, alat screening. Variabel berubah dalam percobaan adalah komposisi bahan baku dan kadar perekat. Langkah penelitian dilakukan dengan pengarangan bahan baku, pencampuran komposisi bahan baku dengan variabel perekat, pencetakan dan pengempaan, uji coba nilai kalor, terakhir analisa data. Hasil pengujian nilai kalor briket bahwa semakin banyak komposisi bahan yang memiliki kalor lebih tinggi maka nilai kalor  campuran briket akan semakin tinggi. Nilai kalor briket sampel tidak memenuhi syarat untuk briket arang buatan Amerika, Inggris, dan Jepang namun diantaranya memenuhi syarat standar nasional Indonesia. Penambahan perekat dalam  pembuatan briket tempurung kelapa dimaksudkan agar partikel arang saling berikatan dan tidak mudah hancur, namun penambahan perekat yang berlebih akan menurunkan kualitas briket, semakin tinggi kadar perekat maka nilai kalor akan berkurang
Die Bibliothek als öffentliches Wohnzimmer – ein Gespräch mit Aat Vos
Authors: Ruigendijk Claudia
Published: January 2018

Eine Bibliothek, in die man nur geht, um Bücher auszuleihen, ist nicht mehr zeitgemäß, findet International Creative Guide und Architekt Aat Vos. Diese Art von „third places“ können eine umfassendere gesellschaftliche Funktion bekommen. Anhand von fünf Schritten zeigt Vos, wie er den Entwurf von öffentlichen Räumen angeht. Inklusive Praxisfall: Die erfolgreiche Jugendbibliothek Biblo Tøyen in Oslo.
“Roma” Label: The Deconstructed and Reconceptualized Category within the Pentecostal and Charismatic Pastoral Discourse in Contemporary Slovakia
Authors: Podolinská Tatiana
Published: January 2018

This paper deals with the ways of reconceptualization and negotiation of a new ethnicity and identity within the Pentecostal and Charismatic pastoral discourse among the Gypsies/Roma of Slovakia. The analysis is based on three denominations: theWord of Lifemovement in Plavecký Štvrtok, theMaranata Christian Missionin Spišská Nová Ves and theSt. Paul’s Communitywithin the Greek-Catholic Church in Čičava. The comparative analysis of pastoral and converts’ narratives has shown that the “New Roma” category is constructed as an ahistoricalcategory of practice, which is intentionally largely ethnicallyemptiedand creatively filled with specific content according to the life goals and paths of particular users either at the individual level or at the community level in line with the creed of good, moral, useful and decent life (of a Christian = Human = Rom). Research has revealed that in spite of the strong trans-social and trans-ethnic discourse, according to which believers should lose the reason for taking into account the inter-group stratifications, they still remainethnicallyandsocially sensitive. An important change in this context is, however, that the previous paradigm Gypsiesversus“Whites” turns, after conversion, into the paradigm Romaalongsideother nations. This fundamentally changes the basic classificatory schemes and positional way of defining themselves in relation to others. TheNew Romis primarily the negation of theOld Rom, not of theWhite/Gadjo. The way in which Pentecostal and Charismatic pastors positively reconstruct, reconceptualize and negotiate the “New Roma” identity at the individual, group, collective and national levels goes largelybeyondthe traditional (modern) perception of ethnic identities and does not take into account historical origin, country, language, culture, etc. as constitutive elements. From this viewpoint, the Pentecostal and Charismatic pastors operating among Gypsies/Roma in contemporary Slovakia would be considered to be engineers, mentors and tutors of ethnoreligious innovation based on the concept of relocation and accommodation of Gypsies into the new and positively reconceptualized label Rom/a.
A Simplified Direct Shear Testing Procedure to Evaluate Unsaturated Shear Strength
Authors: Tang Chien-Ting , Borden Roy H. , Gabr Mohammed A.
Published: January 2018

The work in this paper presents a simplified and expedient procedure to evaluate unsaturated shear strength using conventional direct shear testing with tensiometer-measured suctions. Two types of residual soils are utilized in this testing program. These are classified as elastic silt (MH) and silt (ML) and were obtained from a test site in Greensboro, North Carolina. Unsaturated triaxial tests were performed to provide reference values for comparison with the measured values from the proposed direct shear testing approach. Both single stage and multistage triaxial tests were performed, and an insignificant difference in the peak stress from both approaches was found. The total cohesion intercept was used to represent the strength contribution of the matric suction in order to normalize the effect of the confining pressure. The applicability of the simplified expedient procedure in assessing shear strength of residual soils used herein was demonstrated based on the total cohesion intercepts obtained from both testing approaches. The results from the proposed approach were very similar to those obtained from the unsaturated triaxial compression tests.
Anaplastic thyroid carcinoma: review of treatment protocols
Authors: Tiedje Vera , Stuschke Martin , Weber Frank , Dralle Henning , Moss Laura , Führer Dagmar
Published: January 2018

Anaplastic thyroid carcinoma (ATC) is an orphan disease and in most patients fatal. So far no established treatment is available that prolongs survival. Several large retrospective studies have identified negative prognostic markers, analyzed efficacy of multimodal approaches such as radiotherapy with and without concurrent chemotherapy and chemotherapy protocols. Recently, single case reports have suggested some effectiveness of newer therapies targeting single somatic alterations in ATC. Overall, the conclusions that can be drawn from published retrospective studies and the scarce prospective approaches is that new treatment protocols should be developed including surgery, radiotherapy, chemotherapy and targeted therapy approaches and combinational therapy with immunotherapies. These protocols then need to be evaluated prospectively to improve ATC patients’ outcome in routine care.
On the convergence criterion for branched continued fractions with independent variables
Authors: Dmytryshyn R.I.
Published: January 2018

In this paper, we consider the problem of convergence of an important type of multidimensional generalization of continued fractions, the branched continued fractions with independent variables. These fractions are an efficient apparatus for the approximation of multivariable functions, which are represented by multiple power series. We have established the effective criterion of absolute convergence of branched continued fractions of the special form in the case when the partial numerators are complex numbers and partial denominators are equal to one. This result is a multidimensional analog of the Worpitzky's criterion for continued fractions. We have investigated the polycircular domain of uniform convergence for multidimensional C-fractions with independent variables in the case of nonnegative coefficients of this fraction.
On meromorphically starlike functions of order $\alpha$ and type $\beta$, which satisfy Shah's differential equation
Authors: Trukhan Yu.S. , Mulyava O.M.
Published: January 2018

According to M.L. Mogra, T.R. Reddy and O.P. Juneja an analytic in ${\mathbb D_0}=\{z: 0<|z|<1\}$ function $f(z)=\frac{1}{z}+\sum_{n=1}^{\infty}f_n z^{n}$ is said to be meromorphically starlike of order $\alpha\in [0,\,1)$ and type $\beta\in (0,\,1]$ if $|zf'(z)+f(z)|<\beta|zf'(z)+(2\alpha-1)f(z)|, \, z\in {\mathbb D_0}. $ Here we investigate conditions on complex parameters $\beta_0,\,\beta_1,\,\gamma_0,\,\gamma_1,\,\gamma_2$, under which the differential equation of S. Shah $z^2 w''+(\beta_0 z^2+\beta_1 z) w'+(\gamma_0 z^2+\gamma_1 z+\gamma_2)w=0$ has meromorphically starlike solutions of order $\alpha\in [0,\,1)$ and type $\beta\in (0,\,1]$. Beside the main case $n+\gamma_2\not=0, \, n\ge 1,$ cases $\gamma_2=-1$ and $\gamma_2=-2$ are considered. Also the possibility of the existence of the solutions of the form $f(z)=\frac{1}{z}+\sum_{n=1}^{m}f_n z^{n}, \, m\ge 2,$ is studied. In addition we call an analytic in ${\mathbb D_0}$ function $f(z)=\frac{1}{z}+\sum_{n=1}^{\infty}f_n z^{n}$ meromorphically convex of order $\alpha\in [0,1)$ and type $\beta\in (0,1]$ if $|zf''(z)+2f'(z)|<\beta|zf''(z)+2\alpha f'(z)|, \, z\in {\mathbb D_0}$ and investigate sufficient conditions on parameters $\beta_0,\,\beta_1,\,\gamma_0,$ $\gamma_1,\,\gamma_2$ under which the differential equation of S. Shah has meromorphically convex solutions of order $\alpha\in [0,\,1)$ and type $\beta\in (0,\,1]$. The same cases as for the meromorphically starlike solutions are considered.
Some fixed point results in complete generalized metric spaces
Authors: Sangurlu S.M. , Turkoglu D.
Published: January 2018

The Banach contraction principle is the most important result. This principle has many applications and some authors was interested in this principle in various metric spaces as Brianciari.

The author initiated the notion of the generalized metric space as a generalization of a metric space by replacing the triangle inequality by a more general inequality, $d(x,y)\leq d(x,u)+d(u,v)+d(v,y)$ for all pairwise distinct points $x,y,u,v$ of $X$. As such, any metric space is a generalized metric space but the converse is not true. He proved the Banach fixed point theorem in such a space. Some authors proved different types of fixed point theorems by extending the Banach's result. Wardowski introduced a new contraction, which generalizes the Banach contraction. He using a mapping $F: \mathbb{R}^{+} \rightarrow \mathbb{R}$ introduced a new type of contraction called $F$-contraction and proved a new fixed point theorem concerning $F$-contraction. In this paper, we have dealt with $F$-contraction and $F$-weak contraction in complete generalized metric spaces. We prove some results for $F$-contraction and $F$-weak contraction and we show that the existence and uniqueness of fixed point for satisfying $F$-contraction and $F$-weak contraction in complete generalized metric spaces. Some examples are supplied in order to support the useability of our results. The obtained result is an extension and a generalization of many existing results in the literature.
Faithful group actions and Schreier graphs
Authors: Fedorova M.
Published: January 2018

Each action of a finitely generated group on a set uniquely defines a labelled directed graph called the Schreier graph of the action. Schreier graphs are used mainly as a tool to establish geometrical and dynamical properties of corresponding group actions. In particilar, they are widely used in order to check amenability of different classed of groups. In the present paper Schreier graphs are utilized to construct new examples of faithful actions of free products of groups. Using Schreier graphs of group actions a sufficient condition for a group action to be faithful is presented. This result is applied to finite automaton actions on spaces of words i.e. actions defined by finite automata over finite alphabets. It is shown how to construct new faithful automaton presentations of groups upon given such a presentation. As an example a new countable series of faithful finite automaton presentations of free products of finite groups is constructed. The obtained results can be regarded as another way to construct new faithful actions of  groups  as soon as at least one such an action is provided.
The Generalization of the Comparative Advantage Theory
Authors: Jasiński Leszek
Published: January 2018

Economic textbooks relate the principle of comparative advantage using examples of two products and two countries, the 2x2 case. We shall suggest an approach describing any finite number of products m and countries n, the mxn case, where m>2, n>2. For this purpose the linear programming will be used
Trends of International Trade in Services: Integration Opportunities for Ukraine
Authors: Bodnarchuk Tetyana , Lysak Volodymyr
Published: January 2018

In the article the main trends and patterns of the development of international trade in services in the period of post-industrial development of the world economy are considered. Ukraine’s competitive positions on international service market are outlined. The main endogenous factors of enhancing the country’s integration to the world trade relations system in service sector are determined
Manajemen Pemupukan N-P-K dengan Pupuk Hayati untuk Mempertahankan Kandungan N dan P Tanah serta Hasil Kedelai
Authors: Sofyan Emma Trinurani , Sari Stefina Liana
Published: January 2018

One effort to increase the productivity of soybeans in Inceptisols Jatinangor is through utilize inoculant of soil microorganisms such as nitrogen-fixing bacteria and phosphate-solubilizing bacteria in the form of specific biofertilizer (SB) for soybean plant without leaving inorganic fertilizer as a source of available nutrients to plants. This research aimed to determine fertilization management of N-P-K and specific biofertilizer in retaining N and P availability and yield of soybean. The Research was conducted from April to July 2016, arranged in Simple Randomized Block Design (RBD) and consisted of 10 treatments. The combination of biofertilizer and N-P-K were as follows; A = control (without fertilizer), B = Standard N-P-K, C = 0 N-P-K + 1 SB , D = 1/4 N-P-K + 1 SB, E = 1/2 N-P-K + 1 SB, F = 3/4 N-P-K + 1 SB, G = 1 N-P-K + 1 SB, H = 3/4 + 1/4 SB, I = 3/4 N-P-K + 1/2 SB dan J = 3/4 N-P-K + 3/4 SB. The results showed a dose of N-P-K and biofertilizer was recommended in the treatment E (250 kg ha-1 SB) and 1/2 N-P-K (37.5-50-50 kg ha-1). The dose was able to increase nitrogen and phosphor content in soil and plant, also on yield of soybean up to 0.4 t ha-1 or 32% of a standard N-P-K.
Lessons Learned from Two Usability Studies of Digital Skiing Game with Elderly People in Finland and Japan
Authors: Pyae Aung , Joelsson Tapani , Saarenpää Teppo , Mika Luimula , Kattimeri Christina , Pitkäkangas Paula , Granholm Patric , Smed Jouni
Published: January 2018

Physical decline is associated with old age. Engagement in regular physical exercises can help elderly people improve their physical functionalities, as well as cognitive abilities. Among modern technologies, digital games have the potential to promote elderly people’s engagement in physical exercises through fun and enjoyable gameplay. Although commercial digital games show promise, most of them are not senior-friendly. The literature also suggests that more studies need to be undertaken to understand the usability and usefulness of digital games for elderly people. Hence, in this study, we designed and developed a digital game-based Skiing activity for elderly people. Then, we evaluated it with the Finnish and Japanese elderly participants in Finland and Japan to investigate their feedback towards the usability and usefulness of the game. The findings from both studies show that digital games are useful for promoting elderly people’s engagement in physical activities. While digital games are promising to be used as an alternative solution for promoting the Japanese elderly participant’s physical activities, the Finnish elderly participants recommend to use it when they don’t have access to non-digital physical exercises. The lessons learned from this study can help researchers and practitioners gain insights into game design and development for elderly people and their physical activities.
Социальные сервисы для пожилых: формальные и неформальные правила и практики
Authors: Парфенова Оксана
Published: January 2018

Оксана Парфенова – ассоциированный научный сотрудник Центра арктических и сибирских исследований, Социологический институт ФНИСЦ РАН, научный сотрудник НИУ ИТМО, Санкт-Петербург, Россия. Электронная почта: oksana.parfenova@gmail.com

DOI: 10.17323/727-0634-2017-15-4-573-588

Статья посвящена одному из ключевых направлений отечественной социальной политики – социальному обслуживанию пожилых граждан. Крупнейшим агентом в этой сфере со стороны государства являются комплексные центры социального обслуживания населения (КЦСОН). Объектом исследования методом кейс-стади выступает КЦСОН одного из районов Санкт-Петербурга. Я проанализировала как функционирует этот сервис, рассмотрев совокупность связанных с ним формальных и неформальных правил и практик. Забота о пожилом человеке со стороны КЦСОН оформлена в виде набора услуг, которые предоставляются за плату (относительно невысокую на момент проведения исследования). Этот набор услуг во многом одобряется самими клиентами. Со стороны социальных работников существует неформализованное представление о том, что входит в их обязанности, а что нет. При этом, их должностная инструкция базируется на устаревшей версии закона о социальном обслуживании. Таким образом, в ходе исследования выявлено расхождение должностных инструкций и с действующим законодательством, и с реальными практиками. Кроме того, в ходе обслуживания не происходит качественного изменения социального статуса пожилого человека. КЦСОН частично подменяет своей помощью те функции, которые обычно выполняют сами пожилые или их близкие. Такое «делегирование» заботы профессионалам позволяет пожилым людям отчасти компенсировать потерю трудоспособности и физической активности и поддерживать определенный образ жизни. При этом в ряде случаев надомное социальное обслуживание может вписываться в модель «теплой современной заботы», когда функции по уходу за пожилым человеком разделены между институтом (КЦСОН) и семьей.
Tympanic membrane perforation: correlation of hearing loss with its site and size
Authors: Sood Arvinder Singh , Pal Pooja , Kumar Amit
Published: January 2018

Background: The objectives of the study were correlation of hearing loss with size and site of tympanic membrane perforation.

Methods: A cross-sectional prospective study of 100 patients of both sex and age between 11-60 years with perforated tympanic membrane was conducted in the department of Otorhinolaryngology (ENT). Size and site of TM perforation was assessed using otoscope and otomicroscope. Size of perforation was measured with 1 mm thin wire loop and vernier caliper. Patients were divided into three groups according to size; Group I (0-9 mm), Group II (9-30 mm), Group III (>30 mm). The tympanic membrane was divided into five segments anterosuperior, posterosuperior, anteroinferior, posteroinferior and central for the localization of the site of perforation. Data thus collected was statistically analysed.  

Results: Patients with Group I perforation had an average hearing loss of 31.42±7.15 decibel. Group II had an average hearing loss of 39.42±8.97 decibel. Group III had an average hearing loss of 48.91±7.38 decibel. Maximum hearing loss was noted in patients with central perforation with an average hearing loss of 39.34±9.47 decibel. Average hearing loss was found higher in posterior perforations than anterior quadrant perforations. This difference was however not statistically significant with ‘p’ value of ‘0.689’.

Conclusions: Linear correlation was found between size of tympanic membrane perforation and degree of hearing loss. No linear correlation between site of tympanic membrane perforation and hearing loss was found. We found no correlation between duration of disease and size of tympanic membrane perforation with degree of hearing loss.
Impactos provocados por la sequía agrícola en el cultivo de Plátano (Musa) en áreas del municipio Venezuela, Ciego de Ávila, Cuba
Authors: Gallardo Ballat Yurisbel , Brown Manrique Oscar , Williams Harriot Patricio W. , Matamoros Martinez Yiliane , Rodríguez Carbajal Isanary
Published: January 2018

En la presente investigación se realiza el análisis del impacto provocado por la sequía agrícola en el cultivo del Plátano Vianda (Musa paradisiaca) en un período de 13 años en áreas de municipio de Venezuela de la provincia de Ciego de Ávila. Cuba, para el análisis de los períodos de sequía se utilizó el Índice de Sequía Agraria (ISA) el cual presenta dentro de su algoritmo matemático como variables determinantes la Evapotranspiración de Referencia, que en este caso se determinó con el método de Penman Monteith FAO-1998, el déficit de humedad, la precipitación efectiva y el rendimiento agrícola. Los resultados obtenidos demuestran que los procesos de sequías agrícolas se manifiestan en todos los ciclos del cultivo, afectando de manera general los rendimientos, la evaluación de fenómeno es de gran utilidad para el manejo sostenible de ecosistemas agrarios en aras de lograr mejores resultados productivos a mediano y corto plazo. El análisis de este fenómeno climatológico desde el punto de vista agrícola, permite trazar estrategias para la aplicación de métodos de conservación del suelo y del recurso hídrico a los agricultores.
Ataque de Coptoborus ochromactonus (Coleoptera: Curculionidae: Scolytinae) en plantaciones de Ochroma pyramidale (Cav. ex Lam.)
Authors: Castro Olaya Jessenia , Lanfranco Leverton Dolly , Martinez Chévez Malena , Guachambala Marcelino , Belezaca Pinargote Carlos , Obrebska Anna A.
Published: January 2018

Coptoborus ochromactonus, es un escolítido asociado al cultivo de balsa (Ochroma pyramidale), que causa perforaciones y construye galerías en fuste y ramas. La incidencia de daño puede llegar al 50% en una plantación y de estos causa un 15% de mortalidad. Los objetivos del presente trabajo fueron caracterizar el daño, definir la incidencia en plantaciones de 24 meses de edad en las localidades de Buena Fe y El Empalme y evaluar las características dasométricas del árbol hospedero. Se seleccionaron 12 parcelas circulares en cada plantación, donde previo a observaciones se realizó una categorización, árboles sin daño, daño 1 y daño 2. En cada parcela se evaluaron todos los árboles, registrando las diferentes categorías y las variables DAP (diámetro a la altura del pecho) y altura total. La incidencia se evaluó mediante la comparación del total de árboles con los de las distintas categorías. El daño 1 es dirigido al fuste, donde se observan perforaciones con exudación. En la plantación de Buena Fe se obtuvo el 9.80% y en El Empalme fue de 22.60%. Mientras que el daño 2, que es dirigido a las ramas de la copa y en ellos se observa la presencia de aserrín y marchitez del follaje, se observó solo en Buena Fe con 0.80%. La incidencia de daño fue mayor en El Empalme con el 22.60%, atacando árboles de 20.10 cm de DAP y 18.40 m de alto, en relación a Buena Fe, con el 10.64%, atacando árboles de 18.20 cm de DAP y 15.90 m de alto.
Identificación de un gen codificante de polifenol oxidasa (PPO) en Theobroma cacao L. (cacao) de Ecuador
Authors: Morante-Carriel Jaime , Acosta-Farías Milena , Huebla-Concha Víctor , Agnieszka-Obrebska Anna , Bru-Martínez Roque , Cadme-Arévalo María Lorena
Published: January 2018

En Ecuador, las plantaciones de cacao presentan bajos promedios de producción debido a la diversidad de patógenos, especialmente a la infección por Moniliophthora roreri (monilia). Se cree que existe una relación entre el ataque del hongo y el aumento de los niveles de expresión de genes codificantes de polifenol oxidasas (PPOs) como mecanismo de defensa ante patógenos y herbívoros en diferentes plantas. Para la identificación de genes que codifican para PPOs, se seleccionaron hojas de cacao Nacional, provenientes de plantas resistentes y susceptibles a monilia, ubicadas en la Finca Experimental La Represa, propiedad de la Universidad Técnica Estatal de Quevedo. Se afinó un protocolo de extracción de ARN total de alta calidad para hojas de cacao recalcitrantes. Después de su retrotranscripción a ADNc, se realizaron ensayos de amplificación por PCR con diferentes primers, diseñados a partir de secuencias conservadas de PPOs. Los productos de amplificación permitieron la identificación de un gen de 961 pb, similar a un gen que codifica para la PPO predictiva de Theobroma cacao depositada en NCBI (XP_017978715.1) La identificación de este gen, es fundamental para evaluar a futuro los niveles de expresión y cuantificación en diferentes estados de desarrollo del fruto. Dicha cuantificación permitirá proponer herramientas de control para monilia y construir las bases para el mejoramiento genético del cacao Nacional.
Bioactive compounds in coffee beans with beneficial health properties
Authors:   University of British Columbia, Canada, Liang Ningjian , Mu Kaiwen ,   University of British Columbia, Canada, Kitts David ,   University of British Columbia, Canada
Published: January 2018

In recent years, the health benefits of coffee beverage consumption have received considerable interest. This chapter describes the latest research on the potential health benefits of coffee components including caffeine, phenolics, trigonelline, cafestol and kahweol. The chapter pays particular attention to the antioxidant, anti-inflammatory and antimicrobial properties of these compounds, and evaluates the results of clinical studies on the effects of coffee beverage consumption on human health.
Harmful compounds in coffee
Authors:   CIRAD, France, Durand Noël , Fontana Angélique ,   University of Montpellier, France
Published: January 2018

In recent years, public health issues in the food industry have led to regulations concerning contaminants in foodstuffs, including coffee. Four main types of compound are known to contaminate coffee. First, pesticides come from agricultural treatments, transport and storage. Ochratoxin A is the main mycotoxin found in coffee and is linked to environmental conditions and post-harvest processing. Polycyclic aromatic hydrocarbon contamination can be of exogenous (during drying) or endogenous (during roasting) origin. Finally, acrylamide appears during roasting. This chapter discusses each of these compounds, reviewing our current state of knowledge, regulations for avoiding or dealing with contamination and effective ways of limiting contamination.
Questões sobre conservação do patrimônio arquitetônico moderno e a Vila Serra do Navio
Authors: Tirello Regina Andrade , Costa Ana Cynthia Sampaio da
Published: January 2018

O reconhecimento dos valores históricos, artísticos e memoriais do patrimônio moderno construído é relativamente recente. Por ser uma categoria de preexistência arquitetônica ainda insuficientemente estudada sob o ponto de vista da preservação, sua recuperação física tem gerado importantes debates nos ambientes acadêmicos e profissionais acerca da aplicabilidade das recomendações internacionais de restauro de monumentos. Ao moderno só caberiam reformas de manutenção? Visando suscitar reflexões sobre as muitas variáveis de análise dos objetos historicizados associadas às questões de autenticidade que tangenciam a conservação do patrimônio arquitetônico moderno, neste artigo toma-se como objeto de discussão a Vila Serra do Navio. Trata-se de uma company-town localizada no Estado do Amapá, no meio da selva amazônica, tombada pelo IPHAN em 2011 como patrimônio cultural. Projetada pelo arquiteto paulista Oswaldo Arthur Bratke, a Vila foi construída na década de 1960 com excepcional qualidade técnica, formal e estética, e se vincula à especial episódio do desenvolvimento econômico brasileiro relacionado à exploração de minério. Seus edifícios estão sofrendo continuo processo de descaracterização. O objetivo deste artigo é contribuir com discussões sobre as perspectivas de preservação das edificações modernas da Vila, abordando questões teóricas fundantes do campo disciplinar da restauração e a reversão de critérios consolidados em documentos internacionais reguladores do século XXI.
A senha dos solitários: diários de escritores, de Alberto Giordano
Authors: Klein Kelvin Falcão
Published: January 2018

Resenha do livro "A senha dos solitários: diários de escritores", de Alberto Giordano (Papéis Selvagens, 2016).
Encontros e deslocamentos em ensaios de Nancy Huston
Authors: Almeida Claudia Maria Pereira
Published: January 2018

A produção ensaística de Nancy Huston é bastante vasta e diversificada. Nos 17 volumes publicados, incluindo-se as três coletâneas de artigos, pode ser observado um leque abrangente de temas com diferentes abordagens e configurações. Neste artigo, propomos um estudo de dois ensaios, Tombeau de Romain Gary (1995) e Passions d’Annie Leclerc (2007), que compartilham características, mas também apresentam singularidades em relação ao conjunto de ensaios da autora. Vamos refletir, em particular, sobre o alargamento do espaço ensaístico por meio de uma escrita que incorpora traços e territórios de outros gêneros (biografia, autobiografia, túmulo, carta, diário, romance), bem como sobre a integração de escritas de sentimentos e de viés ficcional. Nesse corpus também observamos a construção de espaços de encontros de escritores cujas vozes se revezam em ambientes dialógicos, que também contribuem para particularizar essa escrita ensaística.
Roland Barthes e o ensaio enquanto ficção da China
Authors: Taddei Brandini Laura
Published: January 2018

O presente artigo tem por objetivo expor a evolução do ensaio dentro da obra de Roland Barthes, colocando em evidência suas relações com a ficção. A título de exemplo, analisaremos “E então, a China?”, ensaio de 1974, pouco conhecido na obra do escritor e que, à época, causou celeuma, em razão do momento extremamente politizado em que foi publicado. Procuraremos mostrar como o texto foi lido segundo os parâmetros próprios a um ensaio científico, argumentativo, sem, contudo, atender a eles, o que resultou em ataques ao escritor. Enfatizaremos a proposta estética do ensaio, que só adquire seu sentido pleno se for lido como dramatização de uma vivência, escrita literária, ou, no termo de Barthes, uma escritura.
Crítica errante, literatura clandestina: entrevista com Graciela Speranza
Authors: Pinheiro Tiago Guilherme , Speranza Graciela
Published: January 2018

Graciela Speranza é umas das ensaístas mais interessantes da Argentina contemporânea. Seu trabalho combinado entre literatura e artes plásticas movimenta-se em torno de uma indagação contínua sobre os limites das práticas e teorias estéticas através dos estudos da imagem, essa quase existência fantasmal que tudo atravessa, multiplicando formas.