Planning an experiment in the study of air pollution in industrial premises

2020 ◽  
pp. 152-159
Author(s):  
Татьяна Николаевна Швецова-Шиловская ◽  
Ольга Васильевна Полехина ◽  
Дмитрий Евгеньевич Иванов ◽  
Федор Игоревич Скворцов
Keyword(s):  
Air Pollution ◽  
Experimental Design ◽  
Mathematical Theory ◽  
Design Theory ◽  
Statistical Processing ◽  
Hazardous Chemicals ◽  
Working Zone ◽  
Wide Range ◽  
Temperature And Humidity

Отмечена роль ведущих отечественных ученых В.И. Денисова и В.Г. Горского в становлении и развитии теории планирования эксперимента и прикладных статистических методов анализа данных. На основе математической теории планирования эксперимента исследовано влияние параметров воздушной среды рабочих помещений на интенсивность испарения опасных химических веществ с поверхности пролива. Создана математическая модель, описывающая этот процесс. Данные исследования необходимы для оценки профессионального риска на химических производствах The article addresses the important problem of assessing the professional risk of workers in industries where the chemical factor is possible, as well as the role of the mathematical theory of experimental design in conducting of experimental research. The role of leading Russian scientists Denisov Vladimir Ivanovich and Gorsky Vladimir Grigoryevich in the establishment and development of experimental design theory and applied statistical data analysis methods is noted in the work. It is noted that in order to successfully solve scientific, industrial, and technological problems, modern research engineer must have competencies in the field of the theory of mathematical statistics, practical skills in planning an experiment, and methods for statistical processing of experimental data. The aim of the studies presented in this paper is to assess the influence of the air environment of the working room (temperature, humidity) on the rate of evaporation of a hazardous chemical from the spill. The experiment was carried out on a facility that allowed varying over a wide range the temperature and humidity. The experiment was carried out in accordance with the plan developed on the basis of the mathematical theory of experimental design. The obtained mathematical model allows estimating the level of air pollution by hazardous chemicals in the temperature and humidity range typical of workrooms. A comparison of the concentrations calculated according to the model with the permissible level of air pollution (MPC of the working zone air) will allow assessing the risk of inhalation exposure to hazardous chemicals on working personnel in local emergency situations. Conducted research is necessary to assess occupational risk in chemical industries

scholarly journals Preprint of "Income Inequality Reduces Civic Honesty"

2020 ◽  
Author(s):  
Hongfei Du ◽  
Anli Chen ◽  
Peilian Chi ◽  
Ronnel B. King
Keyword(s):  
Experimental Design ◽  
Income Inequality ◽  
Crucial Role ◽  
Social Outcomes ◽  
Causal Effects ◽  
Wide Range ◽  
Multi Level ◽  
Detrimental Impact

Income inequality has been shown to have a detrimental impact on a wide range of psychological, economic, and social outcomes. In this study, we focus on the role of income inequality in reducing civic honesty. Study 1 reanalyzed data of a “lost wallet” experiment conducted by Cohn, Maréchal, Tannenbaum, and Zünd (2019) in 355 cities spread across 40 countries. Multi-level analyses indicated that citizens in countries with higher income inequality were less likely to return a lost wallet. Study 2 examined the causal effects of income inequality by utilizing an experimental design. We found that income inequality reduced one’s personal desire to return a lost wallet. Convergent findings from two studies indicate the crucial role played by income inequality in reducing civic honesty.

scholarly journals Atmospheric Pollution and Hospitalization for Cardiovascular and Respiratory Diseases in the City of Manaus from 2008 to 2012

2020 ◽  
Vol 2020 ◽  
pp. 1-8
Author(s):  
Daniel S. Sacramento ◽  
Lourdes C. Martins ◽  
Marcos A. Arbex ◽  
Ysabely de A. P. Pamplona
Keyword(s):  
Air Pollution ◽  
Time Series ◽  
Respiratory Diseases ◽  
Hospital Admissions ◽  
Additive Models ◽  
Time Series Study ◽  
Wide Range ◽  
Temperature And Humidity ◽  
The City ◽  
Series Study

Introduction. Air pollution has been identified as a serious public health problem in the world’s major metropolises. Recent studies have shown that airborne particle concentrations are associated with a wide range of effects on human health, including increased hospital admissions for respiratory disease, enhanced asthma episodes, decreased lung function, and increased mortality. Objective. To relate the levels of air pollution and hospital admissions for cardiovascular and respiratory diseases in the city of Manaus in Brazil from 2008 to 2012. Method. This is an ecological time-series study among children (under 5 years of age) and elderly (above 60 years of age). Data on the daily number of hospitalizations for cardiovascular and respiratory diseases, pollutants (PM2.5), temperature, and humidity were used. Poisson generalized additive models were used to estimate the association between variables. Increases in hospitalizations for cardiovascular and respiratory diseases were estimated for the interquartile range (IQR) daily mean level of each variable studied, with a confidence interval of 95%. Results. Respiratory diseases and children: −0.40% (95% CI: −1.11, 0.30), 0.59% (95% CI: −0.35, 1.52), and 0.47% (95% CI: −3.28, 4.21) for PM2.5, temperature, and humidity, respectively. Respiratory diseases and elderly: 0.19% (95% CI: −0.93, 1.31), −0.10% (95% CI: −1.85, 1.65), and −6.17% (95% CI: −13.08, 0.74) for PM2.5, temperature, and humidity, respectively. Cardiovascular diseases and elderly: −0.18% (95% CI: −0.86, 0.50), −0.04% (95% CI: −1.10, 1.03), and −3.37% (95% CI: −7.59, 0.85) for PM2.5, temperature, and humidity, respectively. Conclusions. The time-series study found no significant association between PM2.5, temperature, humidity, and hospitalization, unlike the evidences provided by the present academic literature. Since there is no air quality monitoring network in Manaus and the option available in the present study was to reproduce some information obtained from remote sensing, there is a need for implementation of ground monitoring stations for health and environmental studies in the region.

scholarly journals Income Inequality Reduces Civic Honesty

2020 ◽  
pp. 194855062092949 ◽  
Author(s):  
Hongfei Du ◽  
Anli Chen ◽  
Peilian Chi ◽  
Ronnel B. King
Keyword(s):  
Experimental Design ◽  
Income Inequality ◽  
Crucial Role ◽  
Social Outcomes ◽  
Causal Effects ◽  
Multilevel Analyses ◽  
Wide Range ◽  
Detrimental Impact

Income inequality has been shown to have a detrimental impact on a wide range of psychological, economic, and social outcomes. In this study, we focus on the role of income inequality in reducing civic honesty. Study 1 reanalyzed data of a “lost wallet” experiment conducted by Cohn, Maréchal, Tannenbaum, and Zuünd (2019) in 355 cities spread across 40 countries. Multilevel analyses indicated that citizens in countries with higher income inequality were less likely to return a lost wallet. Study 2 examined the causal effects of income inequality by utilizing an experimental design. We found that income inequality reduced one’s personal desire to return a lost wallet. Convergent findings from two studies indicate the crucial role played by income inequality in reducing civic honesty.

Everybody Follows the Crowd?

2017 ◽  
Vol 29 (2) ◽  
pp. 1-12 ◽  
Author(s):  
Magdalena Obermaier ◽  
Thomas Koch ◽  
Christian Baden
Keyword(s):  
Experimental Design ◽  
News Coverage ◽  
Personal Characteristics ◽  
Election Campaigns ◽  
Bandwagon Effect ◽  
Political News ◽  
Election Results ◽  
Opinion Polls ◽  
Electoral Preferences

Abstract. Opinion polls are a well-established part of political news coverage, especially during election campaigns. At the same time, there has been controversial debate over the possible influences of such polls on voters’ electoral choices. The most prominent influence discussed is the bandwagon effect: It states that voters tend to support the expected winner of an upcoming election, and use polls to determine who the likely winner will be. This study investigated the mechanisms underlying the effect. In addition, we inquired into the role of past electoral performances of a candidate and analyzed how these (as well as polls) are used as heuristic cues for the assessment of a candidate’s personal characteristics. Using an experimental design, we found that both polls and past election results influence participants’ expectations regarding which candidate will succeed. Moreover, higher competence was attributed to a candidate, if recipients believe that the majority of voters favor that candidate. Through this attribution of competence, both information about prior elections and current polls shaped voters’ electoral preferences.

The Problem of Identifying and Modeling the Relationship between Monetary Factor and Inflation in the Russian Economy

2008 ◽  
pp. 61-76
Author(s):  
A. Porshakov ◽  
A. Ponomarenko
Keyword(s):  
Money Supply ◽  
Money Demand ◽  
Russian Economy ◽  
Long Run ◽  
Complex Approach ◽  
Wide Range ◽  
Long Time ◽  
The Relationship ◽  
Supply Side Factors

The role of monetary factor in generating inflationary processes in Russia has stimulated various debates in social and scientific circles for a relatively long time. The authors show that identification of the specificity of relationship between money and inflation requires a complex approach based on statistical modeling and involving a wide range of indicators relevant for the price changes in the economy. As a result a model of inflation for Russia implying the decomposition of inflation dynamics into demand-side and supply-side factors is suggested. The main conclusion drawn is that during the recent years the volume of inflationary pressures in the Russian economy has been determined by the deviation of money supply from money demand, rather than by money supply alone. At the same time, monetary factor has a long-run spread over time impact on inflation.

A Statistical Study of Process Variables to Optimize a High Speed Curtain Coater: Part I

TAPPI Journal ◽  
2009 ◽  
Vol 8 (1) ◽  
pp. 20-26 ◽  
Author(s):  
PEEYUSH TRIPATHI ◽  
MARGARET JOYCE ◽  
PAUL D. FLEMING ◽  
MASAHIRO SUGIHARA
Keyword(s):  
Boundary Layer ◽  
Experimental Design ◽  
High Speed ◽  
Statistical Study ◽  
Process Variables ◽  
High Speeds ◽  
The Stability ◽  
Air Removal ◽  
Removal System

Using an experimental design approach, researchers altered process parameters and material prop-erties to stabilize the curtain of a pilot curtain coater at high speeds. Part I of this paper identifies the four significant variables that influence curtain stability. The boundary layer air removal system was critical to the stability of the curtain and base sheet roughness was found to be very important. A shear thinning coating rheology and higher curtain heights improved the curtain stability at high speeds. The sizing of the base sheet affected coverage and cur-tain stability because of its effect on base sheet wettability. The role of surfactant was inconclusive. Part II of this paper will report on further optimization of curtain stability with these four variables using a D-optimal partial-facto-rial design.

Introduction: Emotion, History and the Arts

2018 ◽  
Vol 7 (2) ◽  
pp. 117-128 ◽  
Author(s):  
Erin Sullivan ◽  
Marie Louise Herzfeld-Schild
Keyword(s):  
Historical Change ◽  
Carson Mccullers ◽  
Emotional Life ◽  
Review Section ◽  
The Arts ◽  
Wide Range ◽  
War Correspondents ◽  
History Of ◽  
Johan Huizinga

This introduction surveys the rise of the history of emotions as a field and the role of the arts in such developments. Reflecting on the foundational role of the arts in the early emotion-oriented histories of Johan Huizinga and Jacob Burkhardt, as well as the concerns about methodological impressionism that have sometimes arisen in response to such studies, the introduction considers how intensive engagements with the arts can open up new insights into past emotions while still being historically and theoretically rigorous. Drawing on a wide range of emotionally charged art works from different times and places—including the novels of Carson McCullers and Harriet Beecher-Stowe, the private poetry of neo-Confucian Chinese civil servants, the photojournalism of twentieth-century war correspondents, and music from Igor Stravinsky to the Beatles—the introduction proposes five ways in which art in all its forms contributes to emotional life and consequently to emotional histories: first, by incubating deep emotional experiences that contribute to formations of identity; second, by acting as a place for the expression of private or deviant emotions; third, by functioning as a barometer of wider cultural and attitudinal change; fourth, by serving as an engine of momentous historical change; and fifth, by working as a tool for emotional connection across communities, both within specific time periods but also across them. The introduction finishes by outlining how the special issue's five articles and review section address each of these categories, while also illustrating new methodological possibilities for the field.

Short Films from a Small Nation

2018 ◽  
Author(s):  
C. Claire Thomson
Keyword(s):  
Public Information ◽  
Industrial Process ◽  
Actor Network Theory ◽  
Documentary Films ◽  
Wide Range ◽  
Short Films ◽  
Post War ◽  
The 1960S ◽  
Art And Architecture

The first book-length study in English of a national corpus of state-sponsored informational film, this book traces how Danish shorts on topics including social welfare, industry, art and architecture were commissioned, funded, produced and reviewed from the inter-war period to the 1960s. For three decades, state-sponsored short filmmaking educated Danish citizens, promoted Denmark to the world, and shaped the careers of renowned directors like Carl Th. Dreyer. Examining the life cycle of a representative selection of films, and discussing their preservation and mediation in the digital age, this book presents a detailed case study of how informational cinema is shaped by, and indeed shapes, its cultural, political and technological contexts.The book combines close textual analysis of a broad range of films with detailed accounts of their commissioning, production, distribution and reception in Denmark and abroad, drawing on Actor-Network Theory to emphasise the role of a wide range of entities in these processes. It considers a broad range of genres and sub-genres, including industrial process films, public information films, art films, the city symphony, the essay film, and many more. It also maps international networks of informational and documentary films in the post-war period, and explores the role of informational film in Danish cultural and political history.

Quantitative and Qualitative Methods of Studying the Processes of Socialization of a Modern Teenager

2020 ◽  
pp. 102-109
Author(s):  
Svetlana Alekseevna Raschetina ◽  
Keyword(s):  
Research Methods ◽  
Interpersonal Relations ◽  
Internet Communication ◽  
Socialization Process ◽  
Wide Range ◽  
The Family ◽  
Modern Family ◽  
Making Friends ◽  
Main Support

Relevance and problem statement. Modern unstable society is characterized by narrowing the boundaries of controlled socialization and expanding the boundaries of spontaneous socialization of a teenager based on his immersion in the question arises about the importance of the family in the process of socialization of a teenager in the conditions of expanding the space of socialization. There is a need to study the role of the family in this process, to search, develop and test research methods that allow us to reveal the phenomenon of socialization from the side of its value characteristics. The purpose and methodology of the study: to identify the possibilities of a systematic and anthropological methodology for studying the role of the family in the process of socialization of adolescents in modern conditions, testing research methods: photo research on the topic “Ego – I” (author of the German sociologist H. Abels), profile update reflexive processes (by S. A. Raschetina). Materials and results of the study. The study showed that for all the problems that exist in the family of the perestroika era and in the modern family, it acts for a teenager as a value and the first (main) support in the processes of socialization. The positions well known in psychology about the importance of interpersonal relations in adolescence for the formation of attitudes towards oneself as the basis of socialization are confirmed. Today, the frontiers of making friends have expanded enormously on the basis of Internet communication. The types of activities of interest to a teenager (traditional and new ones related to digitalization) are the third pillar of socialization. Conclusion. The “Ego – I” method of photo research has a wide range of possibilities for quantitative and qualitative analysis of the socialization process to identify the value Pillars of this process.

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